1 3090 156 GENOMIC AND EPIGENOMIC EVALUATION OF ELECTRICALLY INDUCED EXERCISE IN PEOPLE WITH SPINAL CORD INJURY: APPLICATION TO PRECISION REHABILITATION. OBJECTIVE: PHYSICAL THERAPISTS DEVELOP PATIENT-CENTERED EXERCISE PRESCRIPTIONS TO HELP OVERCOME THE PHYSICAL, EMOTIONAL, PSYCHOSOCIAL, AND ENVIRONMENTAL STRESSORS THAT UNDERMINE A PERSON'S HEALTH. OPTIMALLY PRESCRIBING MUSCLE ACTIVITY FOR PEOPLE WITH DISABILITY, SUCH AS A SPINAL CORD INJURY, IS CHALLENGING BECAUSE OF THEIR LOSS OF VOLITIONAL MOVEMENT CONTROL AND THE DETERIORATION OF THEIR UNDERLYING SKELETAL SYSTEMS. THIS REPORT SUMMARIZES SPINAL CORD INJURY-SPECIFIC FACTORS THAT SHOULD BE CONSIDERED IN PATIENT-CENTERED, PRECISION PRESCRIPTION OF MUSCLE ACTIVITY FOR PEOPLE WITH SPINAL CORD INJURY. THIS REPORT ALSO PRESENTS A MUSCLE GENOMIC AND EPIGENOMIC ANALYSIS TO EXAMINE THE REGULATION OF THE PROLIFERATOR-ACTIVATED RECEPTOR GAMMA COACTIVATOR 1ALPHA (PGC-1ALPHA) (OXIDATIVE) AND MYOSTATIN (HYPERTROPHY) SIGNALING PATHWAYS IN SKELETAL MUSCLE DURING LOW-FREQUENCY (LOWER-FORCE) ELECTRICALLY INDUCED EXERCISE VERSUS HIGHER-FREQUENCY (HIGHER-FORCE) ELECTRICALLY INDUCED EXERCISE UNDER CONSTANT MUSCLE RECRUITMENT (INTENSITY). METHODS: SEVENTEEN PEOPLE WITH SPINAL CORD INJURY PARTICIPATED IN 1 OR MORE UNILATERAL ELECTRICALLY INDUCED EXERCISE SESSIONS USING A LOWER-FORCE (1-, 3-, OR 5-HZ) OR HIGHER-FORCE (20-HZ) PROTOCOL. THREE HOURS AFTER THE EXERCISE SESSION, PERCUTANEOUS MUSCLE BIOPSIES WERE PERFORMED ON EXERCISED AND NONEXERCISED MUSCLES FOR GENOMIC AND EPIGENOMIC ANALYSIS. RESULTS: WE FOUND THAT LOW-FREQUENCY (LOW-FORCE) ELECTRICALLY INDUCED EXERCISE SIGNIFICANTLY INCREASED THE EXPRESSION OF PGC-1ALPHA AND DECREASED THE EXPRESSION OF MYOSTATIN, CONSISTENT WITH THE EXPRESSION CHANGES OBSERVED WITH HIGH-FREQUENCY (HIGHER-FORCE) ELECTRICALLY INDUCED EXERCISE. FURTHER, WE FOUND THAT LOW-FREQUENCY (LOWER-FORCE) ELECTRICALLY INDUCED EXERCISE SIGNIFICANTLY DEMETHYLATED, OR EPIGENETICALLY PROMOTED, THE PGC-1ALPHA SIGNALING PATHWAY. A GLOBAL EPIGENETIC ANALYSIS SHOWED THAT >70 PATHWAYS WERE REGULATED WITH LOW-FREQUENCY (LOWER-FORCE) ELECTRICALLY INDUCED EXERCISE. CONCLUSION: THESE NOVEL RESULTS SUPPORT THE NOTION THAT LOW-FREQUENCY (LOW-FORCE) ELECTRICALLY INDUCED EXERCISE MAY OFFER A MORE PRECISE REHABILITATION STRATEGY FOR PEOPLE WITH CHRONIC PARALYSIS AND SEVERE OSTEOPOROSIS. FUTURE CLINICAL TRIALS ARE WARRANTED TO EXPLORE WHETHER LOW-FREQUENCY (LOWER-FORCE) ELECTRICALLY INDUCED EXERCISE TRAINING AFFECTS THE OVERALL HEALTH OF PEOPLE WITH CHRONIC SPINAL CORD INJURY.	2022	

2 3604  32 IMPROVEMENT OF PHYSICAL DECLINE THROUGH COMBINED EFFECTS OF MUSCLE ENHANCEMENT AND MITOCHONDRIAL ACTIVATION BY A GASTRIC HORMONE GHRELIN IN MALE 5/6NX CKD MODEL MICE. BECAUSE A PHYSICAL DECLINE CORRELATES WITH AN INCREASED RISK OF A WIDE RANGE OF DISEASE AND MORBIDITY, AN IMPROVEMENT OF PHYSICAL PERFORMANCE IS EXPECTED TO BRING SIGNIFICANT CLINICAL BENEFITS. THE PRIMARY CAUSE OF PHYSICAL DECLINE IN 5/6 NEPHRECTOMIZED (5/6NX) CHRONIC KIDNEY DISEASE MODEL MICE HAS BEEN REGARDED AS A DECREASE IN MUSCLE MASS; HOWEVER, OUR RECENT STUDY SHOWED THAT A DECREASE IN MUSCLE MITOCHONDRIA PLAYS A CRITICAL ROLE. IN THE PRESENT STUDY, WE EXAMINED THE EFFECTS OF A GASTRIC HORMONE GHRELIN, WHICH HAS BEEN REPORTED TO PROMOTE MUSCLE MITOCHONDRIAL OXIDATION, ON THE PHYSICAL DECLINE IN THE CHRONIC KIDNEY DISEASE MODEL MICE, FOCUSING ON THE EPIGENETIC MODULATIONS OF A MITOCHONDRIAL ACTIVATOR GENE, PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR-GAMMA COACTIVATOR-1ALPHA (PGC-1ALPHA). GHRELIN TREATMENT IMPROVED A DECLINE IN EXERCISE ENDURANCE OF 5/6NX MICE, ASSOCIATED WITH AN INCREASE IN BOTH OF THE MUSCLE MASS AND MITOCHONDRIAL AMOUNT. THE EXPRESSION LEVEL OF PGC-1ALPHA WAS DECREASED IN THE SKELETAL MUSCLE OF 5/6NX MICE, WHICH WAS ASSOCIATED WITH AN INCREASE IN THE METHYLATION RATIO OF THE CYTOSINE RESIDUE AT 260 BASE PAIRS UPSTREAM OF THE INITIATION POINT. CONVERSELY, GHRELIN TREATMENT DE-METHYLATED THE CYTOSINE RESIDUE AND INCREASED THE EXPRESSION OF PGC-1ALPHA. A REPRESENTATIVE MUSCLE ANABOLIC FACTOR, IGF-1, DID NOT AFFECT THE EXPRESSION OF PGC-1ALPHA AND MUSCLE MITOCHONDRIAL AMOUNT, ALTHOUGH IT INCREASED MUSCLE MASS. AS A RESULT, IGF-1 TREATMENT IN 5/6NX MICE DID NOT INCREASE THE DECREASED EXERCISE ENDURANCE AS EFFECTIVELY AS GHRELIN TREATMENT DID. THESE FINDINGS INDICATE AN ADVANTAGE OF GHRELIN TREATMENT FOR A RECOVERY OF PHYSICAL DECLINE.	2015	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
3 3076  32 GENOME-WIDE EPIGENOMIC ANALYSES IN PATIENTS WITH NOCICEPTIVE AND NEUROPATHIC CHRONIC PAIN SUBTYPES REVEALS ALTERATIONS IN METHYLATION OF GENES INVOLVED IN THE NEURO-MUSCULOSKELETAL SYSTEM. NOCICEPTIVE PAIN INVOLVES THE ACTIVATION OF NOCICEPTORS WITHOUT DAMAGE TO THE NERVOUS SYSTEM, WHEREAS NEUROPATHIC PAIN IS RELATED TO AN ALTERATION IN THE CENTRAL OR PERIPHERAL NERVOUS SYSTEM. CHRONIC PAIN ITSELF AND THE TRANSITION FROM ACUTE TO CHRONIC PAIN MAY BE EPIGENETICALLY CONTROLLED. IN THIS CROSS-SECTIONAL STUDY, A GENOME-WIDE DNA METHYLATION ANALYSIS WAS PERFORMED USING THE BLOOD DNA REDUCED REPRESENTATION BISULFITE SEQUENCING (RRBS) TECHNIQUE. THREE PROSPECTIVE COHORTS INCLUDING 20 HEALTHY CONTROLS (CTL), 18 PATIENTS WITH CHRONIC NOCICEPTIVE PAIN (NOCI), AND 19 PATIENTS WITH CHRONIC NEUROPATHIC PAIN (NEURO) WERE COMPARED AT BOTH THE SINGLE CPG AND DIFFERENTIALLY METHYLATED REGION (DMR) LEVELS. GENES WITH DMRS WERE SEEN IN THE NOCI AND NEURO GROUPS BELONGED TO THE NEURO-MUSCULOSKELETAL SYSTEM AND DIFFERED BETWEEN NOCI AND NEURO PATIENTS. OUR RESULTS DEMONSTRATE THAT THE EPIGENETIC DISTURBANCES ACCOMPANYING NOCICEPTIVE PAIN ARE VERY DIFFERENT FROM THOSE ACCOMPANYING NEUROPATHIC PAIN. IN THE FORMER, AMONG OTHERS, THE EPIGENETIC DISTURBANCE OBSERVED WOULD AFFECT THE FUNCTION OF THE OPIOID ANALGESIC SYSTEM, WHEREAS IN THE LATTER IT WOULD AFFECT THAT OF THE GABAERGIC REWARD SYSTEM. THIS STUDY PRESENTS BIOLOGICAL FINDINGS THAT HELP TO CHARACTERIZE NOCI- AND NEURO-AFFECTED PATHWAYS AND OPENS THE POSSIBILITY OF DEVELOPING EPIGENETIC DIAGNOSTIC ASSAYS. PERSPECTIVE: OUR RESULTS HELP TO EXPLAIN THE VARIOUS BIOLOGICAL PATHWAYS MODIFICATIONS UNDERLYING THE DIFFERENT CLINICAL MANIFESTATIONS OF NOCICEPTIVE AND NEUROPATHIC PAINS. FURTHERMORE, THE NEW TARGETS IDENTIFIED IN OUR STUDY MIGHT HELP TO DISCOVER MORE SPECIFIC TREATMENTS FOR NOCICEPTIVE OR NEUROPATHIC PAINS.	2022	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
4 1635  41 DOES A SINGLE BOUT OF EXERCISE IMPACTS BDNF, OXIDATIVE STRESS AND EPIGENETIC MARKERS IN SPINAL CORD INJURY PATIENTS? OUR AIM WAS TO EVALUATE THE IMPACT OF A SINGLE BOUT OF EXERCISE, CONSISTING OF A GAIT TRAINING SESSION WITH BODY WEIGHT SUPPORT (BWS), ON HISTONE ACETYLATION STATUS (GLOBAL HISTONE H4 AND H3 ACETYLATION LEVELS), BRAIN-DERIVED NEUROTROPHIC FACTOR (BDNF) LEVELS, AND OXIDATIVE STRESS MARKERS IN PERIPHERAL BLOOD OF INDIVIDUALS WITH CHRONIC SPINAL CORD INJURY (SCI). WE ALSO SET OUT TO COMPARE THESE RESPONSES WITH THOSE RECORDED AFTER GAIT TRAINING PERFORMED USING A WALKER AND WITH NO BWS. THE SUBJECTS (NEARLY ALL WITH AN INCOMPLETE SPINAL CORD LESION) WERE EACH SUBMITTED TO TWO 60-MINUTE EXPERIMENTAL SESSIONS ON SEPARATE DAYS WITH A 1- WEEK WASH-OUT PERIOD BETWEEN THE INTERVENTIONS. THE ORDER OF THE SESSIONS WAS RANDOMIZED. BLOOD SAMPLES WERE COLLECTED BEFORE AND AFTER EACH EXPERIMENTAL TRIAL FOR MEASUREMENT OF BIOMARKERS. THE HISTONE ACETYLATION STATUS AND BDNF LEVELS REMAINED UNCHANGED AFTER BOTH INTERVENTIONS. AFTER THE TREADMILL TRAINING, THE PARTICIPANTS SHOWED A STRONG INCREASE IN LEVELS OF OXIDATIVE STRESS MARKERS [PLASMA ADVANCED OXIDATION PROTEIN PRODUCTS (AOPPS), NITRITE AND THIOBARBITURIC ACID-REACTIVE SUBSTANCES] WITHOUT CHANGES IN ANTIOXIDANT MEDIATORS. INSTEAD, ELEVATIONS IN AOPP AND NITRITE CONCENTRATIONS, IN ADDITION TO INCREASED LEVELS OF GLUTATHIONE AND CATALASE ACTIVITY, WERE FOUND AFTER THE WALKER TRAINING. A SINGLE BOUT OF GAIT TRAINING, BE IT CONDUCTED ON A TREADMILL WITH BWS OR USING A WALKER WITHOUT BWS, IS NOT ABLE TO ALTER BDNF LEVELS AND HISTONE ACETYLATION STATUS IN SCI PATIENTS. HOWEVER, THESE TRIALS CAN MODULATE OXIDATIVE STRESS PARAMETERS, SEEMINGLY IN A PROTOCOL-DEPENDENT MANNER.	2019	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
5 2776  34 EXTRAUTERINE GROWTH RESTRICTION ON PULMONARY VASCULAR ENDOTHELIAL DYSFUNCTION IN ADULT MALE RATS: THE ROLE OF EPIGENETIC MECHANISMS. OBJECTIVE: EARLY POSTNATAL LIFE IS CONSIDERED AS A CRITICAL TIME WINDOW FOR THE DETERMINATION OF LONG-TERM METABOLIC STATES AND ORGAN FUNCTIONS. EXTRAUTERINE GROWTH RESTRICTION (EUGR) CAUSES THE DEVELOPMENT OF ADULT-ONSET CHRONIC DISEASES, INCLUDING PULMONARY HYPERTENSION. HOWEVER, THE EFFECTS OF NUTRITIONAL DISADVANTAGES DURING THE EARLY POSTNATAL PERIOD ON PULMONARY VASCULAR CONSEQUENCES IN LATER LIFE ARE NOT FULLY UNDERSTOOD. OUR STUDY WAS DESIGNED TO TEST WHETHER EPIGENETICS DYSREGULATION MEDIATES THE CELLULAR MEMORY OF THIS EARLY POSTNATAL EVENT. METHODS AND RESULTS: TO TEST THIS HYPOTHESIS, WE ISOLATED PULMONARY VASCULAR ENDOTHELIAL CELLS BY MAGNETIC-ACTIVATED CELL SORTING FROM EUGR AND CONTROL RATS. A POSTNATAL INSULT, NUTRITIONAL RESTRICTION-INDUCED EUGR CAUSED DEVELOPMENT OF AN INCREASED PULMONARY ARTERY PRESSURE AT 9 WEEKS OF AGE IN MALE SPRAGUE-DAWLEY RATS. METHYL-DNA IMMUNE PRECIPITATION CHIP, GENOME-SCALE MAPPING STUDIES TO SEARCH FOR DIFFERENTIALLY METHYLATED LOCI BETWEEN CONTROL AND EUGR RATS, REVEALED SIGNIFICANT DIFFERENCE IN CYTOSINE METHYLATION BETWEEN EUGR AND CONTROL RATS. EUGR CHANGES THE CYTOSINE METHYLATION AT APPROXIMATELY 500 LOCI IN MALE RATS AT 9 WEEKS OF AGE, PRECEDING THE DEVELOPMENT OF PULMONARY HYPERTENSION AND THESE REPRESENT THE CANDIDATE LOCI FOR MEDIATING THE PATHOGENESIS OF PULMONARY VASCULAR DISEASE THAT OCCURS LATER IN LIFE. GENE ONTOLOGY ANALYSIS ON DIFFERENTIALLY METHYLATED GENES SHOWED THAT HYPERMETHYLATED GENES IN EUGR ARE VASCULAR DEVELOPMENT-ASSOCIATED GENES AND HYPOMETHYLATED GENES IN EUGR ARE LATE-DIFFERENTIATION-ASSOCIATED AND SIGNAL TRANSDUCTION GENES. WE VALIDATED CANDIDATE DYSREGULATED LOCI WITH THE QUANTITATIVE ASSAYS OF CYTOSINE METHYLATION AND GENE EXPRESSIONS. CONCLUSION: THESE RESULTS DEMONSTRATE THAT EPIGENETICS DYSREGULATION IS A STRONG MECHANISM FOR PROPAGATING THE CELLULAR MEMORY OF EARLY POSTNATAL EVENTS, CAUSING CHANGES IN THE EXPRESSION OF GENES AND LONG-TERM SUSCEPTIBILITY TO PULMONARY HYPERTENSION, AND FURTHER PROVIDING A NEW INSIGHT INTO THE PREVENTION AND TREATMENT OF EUGR-RELATED PULMONARY HYPERTENSION.	2014	
                                                                                                                                                                                                                                                                                                            
6 6895  22 [SYSTEMIC CONTROL OF THE MOLECULAR, CELL, AND EPIGENETIC MECHANISMS OF LONG-LASTING CONSEQUENCES OF STRESS]. BASED ON M.E. LOBASHEV'S VIEWS OF THE SYSTEMIC CONTROL OF GENETIC AND CYTOGENEITC PROCESSES AND A SUBSTANTIAL EFFECT OF EXCITABILITY ON PLASTIC CHANGES IN THE CENTRAL NERVOUS SYSTEM (CNS), THE EFFECT OF PROLONGED EMOTIONAL AND PAIN STRESS (PEPS) ON THE MOLECULAR, CELL, AND EPIGENETIC MECHANISMS OF INJURY MEMORY WAS STUDIED IN RAT STRAINS BRED FOR A CERTAIN EXCITABILITY OF THE NERVOUS SYSTEM. PEPS WAS FOR THE FIRST TIME FOUND TO CAUSE LONG-LASTING (2 MONTHS) MORPHOLOGICAL ALTERATIONS OF THE CA3 REGION OF THE HIPPOCAMPUS AND TO MODIFY THE GENOME ACTIVITY OF ITS PYRAMIDAL NEURONS. THE TWO PHENOMENA WERE POTENTIATED BY A GENETICALLY DETERMINED LOW FUNCTIONAL STATE OF THE CNS. THE POST-STRESS REGULATION OF THE GENOME FUNCTION IN HIPPOCAMPAL NEURONS WAS MEDIATED BY CHANGES IN HETEROCHROMATIN CONFORMATION, ACTIVATION OF METHYL-CPG-BINDING PROTEIN (MECP2) SYNTHESIS, AND SUBSEQUENT CHANGES IN ACETYLATION OF HISTONE H4. GENETICALLY DETERMINED HIGH EXCITABILITY OF THE NERVOUS SYSTEM PROVED TO BE A RISK FACTOR THAT AFFECTS THE SPECIFICS AND TIME COURSE OF THE OBSERVED MOLECULAR, CELL, AND GENETIC TRANSFORMATIONS OF NEURONS. THE RESULTS PROVIDE FOR A BETTER UNDERSTANDING OF THE EPIGENETIC MECHANISMS OF INJURY MEMORY, WHICH FORMS A PATHOGENETIC BASIS FOR POSTTRAUMATIC STRESS DISORDER AND OTHER HUMAN PSYCHOGENIC CONDITIONS CHARACTERIZED BY A PROLONGED DURATION.	2009	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
7 1820  33 EFFECTS OF CHRONIC RESTRAINT STRESS ON THE GLOBAL DNA METHYLATION PROFILE OF RAT LUNG CELLS: MODULATION BY PHYSICAL EXERCISE. THE POTENTIAL OF BEHAVIORAL STRESS TO AFFECT EPIGENETIC MECHANISMS OF NON-ENCEPHALIC TISSUES IS STILL UNDERESTIMATED. IN THE PRESENT STUDY WE EVALUATED THE EFFECTS OF CHRONIC BEHAVIORAL STRESS ON THE DNA METHYLATION PROFILE OF RAT LUNG CELLS. FURTHERMORE, WE EVALUATED THE POTENTIAL OF PHYSICAL EXERCISE TO MODULATE THE CHANGES EVOKED BY BEHAVIORAL STRESS IN LUNG CELLS. MALE WISTAR RATS WERE DIVIDED INTO FOUR EXPERIMENTAL GROUPS: (1) ANIMALS SUBMITTED TO CHRONIC RESTRAINT STRESS (CRS) (ST GROUP) DURING THE PERIOD OF THE 67TH-80TH POSTNATAL DAY (PND); (2) ANIMALS SUBMITTED TO PHYSICAL EXERCISE (EX GROUP) DURING THE 53RD-79TH PND; (3) ANIMALS SUBMITTED TO SWIMMING DURING THE 53RD-79TH PND AND TO CRS DURING THE 67TH-80TH PND (EX-ST GROUP); AND (4) ANIMALS NOT SUBMITTED TO STRESS OR SWIMMING PROTOCOLS (CTL). GLOBAL DNA METHYLATION WAS QUANTIFIED USING AN ELISA-BASED APPROACH AND GENE EXPRESSION WAS EVALUATED BY REAL TIME PCR. A DECREASED GLOBAL DNA METHYLATION PROFILE WAS OBSERVED IN THE ST GROUP, HOWEVER PHYSICAL EXERCISE DEMONSTRATED PROTECTION OF LUNG CELLS FROM THIS STRESS-RELATED HYPOMETHYLATION. INCREASED EXPRESSION OF THE DNMT1 GENE WAS EVIDENCED IN THE ST GROUP, WHEREAS PHYSICAL EXERCISE WAS SHOWN TO PROTECT LUNG CELLS FROM THIS STRESS-RELATED EFFECT IN THE EX-ST GROUP. COMPARATIVE ANALYSIS OF THE ST AND EX GROUPS REVEALED OPPOSITE EFFECTS ON THE EXPRESSION OF DNMT3A AND DNMT3B; HOWEVER, A STRESS-RELATED INCREASE IN EXPRESSION OF DNMT3A AND DNMT3B WAS NOT SEEN IN THE EX-ST GROUP. OUR DATA SHOWED THAT BEHAVIORAL STRESS INDUCED SIGNIFICANT CHANGES IN THE DNA METHYLATION PROFILE OF RAT LUNG CELLS AND THAT THIS COULD BE MODULATED BY PHYSICAL EXERCISE.	2017	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
8 5468  34 RESISTANCE TRAINING AND REDOX HOMEOSTASIS: CORRELATION WITH AGE-ASSOCIATED GENOMIC CHANGES. REGULAR PHYSICAL ACTIVITY IS EFFECTIVE AS PREVENTION AND TREATMENT FOR DIFFERENT CHRONIC CONDITIONS RELATED TO THE AGEING PROCESSES. IN FACT, A SEDENTARY LIFESTYLE HAS BEEN LINKED TO A WORSENING OF CELLULAR AGEING BIOMARKERS SUCH AS TELOMERE LENGTH (TL) AND/OR SPECIFIC EPIGENETIC CHANGES (E.G. DNA METHYLATION), WITH INCREASE OF THE PROPENSITY TO AGING-RELATED DISEASES AND PREMATURE DEATH. EXTENDING OUR PREVIOUS FINDINGS, WE AIMED TO TEST THE HYPOTHESIS THAT 12 WEEKS OF LOW FREQUENCY, MODERATE INTENSITY, EXPLOSIVE-TYPE RESISTANCE TRAINING (EMRT) MAY ATTENUATE AGE-ASSOCIATED GENOMIC CHANGES. TO THIS AIM, TL, GLOBAL DNA METHYLATION, TRF2, KU80, SIRT1, SIRT2 AND GLOBAL PROTEIN ACETYLATION, AS WELL AS OTHER PROTEINS INVOLVED IN APOPTOTIC PATHWAY (BCL-2, BAX AND CASPASE-3), ANTIOXIDANT RESPONSE (TRXR1 AND MNSOD) AND OXIDATIVE DAMAGE (MYELOPEROXIDASE) WERE EVALUATED BEFORE AND AFTER EMRT IN WHOLE BLOOD OR PERIPHERAL MONONUCLEAR CELLS (PBMCS) OF ELDERLY SUBJECTS. OUR FINDINGS CONFIRM THE POTENTIAL OF EMRT TO INDUCE AN ADAPTIVE CHANGE IN THE ANTIOXIDANT PROTEIN SYSTEMS AT SYSTEMIC LEVEL AND SUGGEST A PUTATIVE ROLE OF RESISTANCE TRAINING IN THE REDUCTION OF GLOBAL DNA METHYLATION. MOREOVER, WE OBSERVED THAT EMRT COUNTERACTS THE TELOMERES' SHORTENING IN A MANNER THAT PROVED TO BE DIRECTLY CORRELATED WITH THE AMELIORATION OF REDOX HOMEOSTASIS AND EFFICACY OF TRAINING REGIME, EVALUATED AS IMPROVEMENT OF BOTH MUSCLE'S POWER/STRENGTH AND FUNCTIONAL PARAMETERS.	2016	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
9  226  31 ACUTE TRANSCRIPTOMIC AND EPIGENETIC ALTERATIONS AT T12 AFTER RAT T10 SPINAL CORD CONTUSIVE INJURY. SPINAL CORD INJURY IS A SEVERELY DEBILITATING CONDITION AFFECTING A SIGNIFICANT POPULATION IN THE USA. SPINAL CORD INJURY PATIENTS OFTEN HAVE INCREASED RISK OF DEVELOPING PERSISTENT NEUROPATHIC PAIN AND OTHER NEURODEGENERATIVE CONDITIONS BEYOND THE PRIMARY LESION CENTER LATER IN THEIR LIFE. THE MOLECULAR MECHANISM CONFERRING TO THE "LATENT" DAMAGES AT DISTAL TISSUES, HOWEVER, REMAINS ELUSIVE. HERE, WE STUDIED MOLECULAR CHANGES CONFERRING ABNORMAL FUNCTIONALITY AT DISTAL SPINAL CORD (T12) BEYOND THE LESION CENTER (T10) BY COMBINING NEXT-GENERATION SEQUENCING (RNA- AND BISULFITE SEQUENCING), SUPER-RESOLUTION MICROSCOPY, AND IMMUNOFLUORESCENCE STAINING AT 7 DAYS POST INJURY. WE OBSERVED SIGNIFICANT TRANSCRIPTOMIC CHANGES PRIMARILY ENRICHED IN NEUROINFLAMMATION AND SYNAPTOGENESIS ASSOCIATED PATHWAYS. TRANSCRIPTION FACTORS (TFS) THAT REGULATE NEUROGENESIS AND NEURON PLASTICITY, INCLUDING EGR1, KLF4, AND MYC, ARE SIGNIFICANTLY UPREGULATED. ALONG WITH GLOBAL CHANGES IN CHROMATIN ARRANGEMENTS AND DNA METHYLATION, INCLUDING 5-METHYLCYTOSINE (5MC) AND 5-HYDROXYMETHYLCYTOSINE (5HMC), BISULFITE SEQUENCING FURTHER REVEALS THE INVOLVEMENT OF DNA METHYLATION CHANGES IN REGULATING CYTOKINE, GROWTH FACTOR, AND ION CHANNEL EXPRESSION. COLLECTIVELY, OUR RESULTS PAVE THE WAY TOWARDS UNDERSTANDING TRANSCRIPTOMIC AND EPIGENOMIC MECHANISM IN CONFERRING LONG-TERM DISEASE RISKS AT DISTAL TISSUES AWAY FROM THE PRIMARY LESION CENTER AND SHED LIGHT ON POTENTIAL MOLECULAR TARGETS THAT GOVERN THE REGULATORY MECHANISM AT DISTAL SPINAL CORD TISSUES.	2023	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
10 3583  42 IMPACT OF SHORT- AND LONG-TERM ELECTRICALLY INDUCED MUSCLE EXERCISE ON GENE SIGNALING PATHWAYS, GENE EXPRESSION, AND PGC1A METHYLATION IN MEN WITH SPINAL CORD INJURY. EXERCISE ATTENUATES THE DEVELOPMENT OF CHRONIC NONCOMMUNICABLE DISEASES (NCDS). GENE SIGNALING PATHWAY ANALYSIS OFFERS AN OPPORTUNITY TO DISCOVER IF ELECTRICALLY INDUCED MUSCLE EXERCISE REGULATES KEY PATHWAYS AMONG PEOPLE LIVING WITH SPINAL CORD INJURY (SCI). WE EXAMINED SHORT-TERM AND LONG-TERM DURATIONS OF ELECTRICALLY INDUCED SKELETAL MUSCLE EXERCISE ON COMPLEX GENE SIGNALING PATHWAYS, SPECIFIC GENE REGULATION, AND EPIGENETIC TAGGING OF PGC1A, A MAJOR TRANSCRIPTION FACTOR IN SKELETAL MUSCLE OF MEN WITH SCI. AFTER SHORT- OR LONG-TERM ELECTRICALLY INDUCED EXERCISE TRAINING, PARTICIPANTS UNDERWENT BIOPSIES OF THE TRAINED AND UNTRAINED MUSCLES. RNA WAS HYBRIDIZED TO AN EXON MICROARRAY AND ANALYZED BY A GENE SET ENRICHMENT ANALYSIS. WE DISCOVERED THAT LONG-TERM EXERCISE TRAINING REGULATED THE REACTOME GENE SETS FOR METABOLISM (38 GENE SETS), CELL CYCLE (36 GENE SETS), DISEASE (27 GENE SETS), GENE EXPRESSION AND TRANSCRIPTION (22 GENE SETS), ORGANELLE BIOGENESIS (4 GENE SETS), CELLULAR RESPONSE TO STIMULI (8 GENE SETS), IMMUNE SYSTEM (8 GENE SETS), VESICLE-MEDIATED TRANSPORT (4 GENE SETS), AND TRANSPORT OF SMALL MOLECULES (3 GENE SETS). SPECIFIC GENE EXPRESSION INCLUDED: OXIDATIVE CATABOLISM OF GLUCOSE INCLUDING PDHB (P < 0.001), PDHX (P < 0.001), MPC1 (P < 0.009), AND MPC2 (P < 0.007); OXIDATIVE PHOSPHORYLATION GENES INCLUDING SDHA (P < 0.006), SDHB (P < 0.001), NDUFB1 (P < 0.002), NDUFA2 (P < 0.001); TRANSCRIPTION GENES INCLUDING PGC1ALPHA (P < 0.030) AND PRKAB2 (P < 0.011); HYPERTROPHY GENE MSTN (P < 0.001); AND THE MYOKINE GENERATING FNDC5 GENE (P < 0.008). LONG-TERM ELECTRICALLY INDUCED EXERCISE DEMETHYLATED THE MAJOR TRANSCRIPTION FACTOR PGC1A. TAKEN TOGETHER, THESE FINDINGS SUPPORT THAT LONG-TERM ELECTRICALLY INDUCED MUSCLE ACTIVITY REGULATES KEY PATHWAYS ASSOCIATED WITH MUSCLE HEALTH AND SYSTEMIC METABOLISM.	2020	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
11 6794  34 [EFFECT OF BENZO(A)PYRENE ON THE EXPRESSION OF AHR-REGULATED MICRORNA IN FEMALE AND MALE RAT LUNGS]. SMOKING IS THE MAIN RISK FACTOR FOR LUNG CANCER, MAINLY DUE TO PRESENCE OF NITROSAMINES AND POLYCYCLIC AROMATIC HYDROCARBONS, INCLUDING BENZO[A]PYRENE (BP) IN TOBACCO SMOKE COMPOSITION. THE GENOTOXIC EFFECT OF BP IS BASED ON THE HIGH DNA-BINDING ABILITY OF ITS METABOLITES, WHILE THE EPIGENETIC EFFECTS ARE MEDIATED BY A CHANGE IN THE EXPRESSION OF CANCER RELATED GENES OR REGULATORY RNAS. IT HAS BEEN SHOWN THAT WOMEN HAVE A HIGHER RISK TO DEVELOP LUNG CANCER UPON SMOKING RATHER THAN MEN. WE HYPOTHESIZED THAT CROSSTALK BETWEEN SIGNALING PATHWAYS ACTIVATED BY BP AND ESTROGENS COULD UNDERLIE THE SEX-DEPENDENT DIFFERENCES IN MIRNAS EXPRESSION. TO TEST THIS HYPOTHESIS, MALE AND FEMALE RATS WERE SUBJECTED TO SHORT-TERM OR LONG-TERM BP EXPOSURE. USING IN SILICO ANALYSIS, MIRNAS CONTAINING THE ER- AND AHR-BINDING SITES IN THE PROMOTERS OF THE GENES (OR HOST GENES) WERE SELECTED. DURING CHRONIC EXPOSURE OF BP THE EXPRESSION OF MIR-22-3P, -29A-3P, -126A-3P, -193B-5P IN THE LUNGS OF MALE RATS WERE SIGNIFICANTLY INCREASED, WHILE THE LEVEL OF MIRNA-483-3P WERE DECREASED. EXPRESSION OF MIRNA-483-3P WAS UP-REGULATED DURING CHRONIC BP EXPOSURE IN THE LUNGS OF FEMALE RATS AND THE LEVELS OF OTHER STUDIED MIRNAS WERE UNCHANGED. IN TURN, CHANGES IN THE EXPRESSION OF MIRNAS WERE FOLLOWED BY CHANGES IN THE EXPRESSION OF THEIR TARGET GENES, INCLUDING PTEN, EMP2, IGF1, ITGA6, SLC34A2, AND THE OBSERVED CHANGES IN FEMALE AND MALE RAT LUNGS WERE VARIED. THUS, OUR RESULTS SUGGEST THAT SEX-DEPENDENT EPIGENETIC EFFECTS OF BP MAY BE BASED ON DIFFERENT EXPRESSION OF AHR- AND ER- REGULATED MIRNAS.	2020	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                
12 4742  27 NOVEL HISTONE MODIFICATIONS IN MICROGLIA DERIVED FROM A MOUSE MODEL OF CHRONIC PAIN. AS THE RESIDENT IMMUNE CELLS IN THE CENTRAL NERVOUS SYSTEM, MICROGLIA PLAY AN IMPORTANT ROLE IN THE MAINTENANCE OF ITS HOMEOSTASIS. DYSREGULATION OF MICROGLIA HAS BEEN ASSOCIATED WITH THE DEVELOPMENT AND MAINTENANCE OF CHRONIC PAIN. HOWEVER, THE RELEVANT MOLECULAR PATHWAYS REMAIN POORLY DEFINED. IN THIS STUDY, WE USED A MASS SPECTROMETRY-BASED PROTEOMIC APPROACH TO SCREEN POTENTIAL CHANGES OF HISTONE PROTEIN MODIFICATIONS IN MICROGLIA ISOLATED FROM THE BRAIN OF CONTROL AND CISPLATIN-INDUCED NEUROPATHIC PAIN ADULT C57BL/6J MALE MICE. WE IDENTIFIED SEVERAL NOVEL MICROGLIAL HISTONE MODIFICATIONS ASSOCIATED WITH PAIN, INCLUDING STATISTICALLY SIGNIFICANTLY DECREASED HISTONE H3.1 LYSINE 27 MONO-METHYLATION (H3.1K27ME1, 54.8% OF CONTROL) AND H3 LYSINE 56 TRI-METHYLATION (7.5% OF CONTROL), AS WELL AS A TREND SUGGESTING INCREASED H3 TYROSINE 41 NITRATION. WE FURTHER INVESTIGATED THE FUNCTIONAL ROLE OF H3.1K27ME1 AND FOUND THAT TREATMENT OF CULTURED MICROGLIAL CELLS FOR 4 CONSECUTIVE DAYS WITH 1-10 MUM OF NCDM-64, A POTENT AND SELECTIVE INHIBITOR OF LYSINE DEMETHYLASE 7A, AN ENZYME RESPONSIBLE FOR THE DEMETHYLATION OF H3K27ME1, DOSE-DEPENDENTLY ELEVATED ITS LEVELS WITH A GREATER THAN A TWO-FOLD INCREASE OBSERVED AT 10 MUM COMPARED TO VEHICLE-TREATED CONTROL CELLS. MOREOVER, PRETREATMENT OF MICE WITH NCDM-64 (10 OR 25 MG/KG/DAY, I.P.) PRIOR TO CISPLATIN TREATMENT PREVENTED THE DEVELOPMENT OF NEUROPATHIC PAIN IN MICE. THE IDENTIFICATION OF SPECIFIC CHROMATIN MARKS IN MICROGLIA ASSOCIATED WITH CHRONIC PAIN MAY YIELD CRITICAL INSIGHT INTO THE CONTRIBUTION OF MICROGLIA TO THE DEVELOPMENT AND MAINTENANCE OF PAIN, AND OPENS NEW AVENUES FOR THE DEVELOPMENT OF NOVEL NONOPIOID THERAPEUTICS FOR THE EFFECTIVE MANAGEMENT OF CHRONIC PAIN.	2022	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
13 2297  29 EPIGENETIC REGULATION OF ACUTE INFLAMMATORY PAIN. ACUTE PAIN IS ASSOCIATED WITH TISSUE DAMAGE, WHICH RESULTS IN THE RELEASE OF INFLAMMATORY MEDIATORS. RECENT STUDIES POINT TO THE INVOLVEMENT OF EPIGENETIC MECHANISMS (DNA METHYLATION) IN THE DEVELOPMENT OF PAIN. WE HAVE FOUND THAT DURING ACUTE INFLAMMATORY PAIN INDUCED BY THE APPLICATION OF 10% MUSTARD OIL ON THE TONGUES OF RATS, LEVELS OF DNMT3A AND 3B WERE ELEVATED MARKEDLY (36 AND 42 % RESPECTIVELY), WHEREAS THE LEVEL OF DNMT1 WAS NOT CHANGED SIGNIFICANTLY. PREVIOUS INJECTION OF XEFOCAM WITH 0,4 MG/KG DOSE DECREASED LEVELS OF DNMT3A AND 3B (25 AND 24% RESPECTIVELY). THE LEVEL OF DNMT1 WAS NOT CHANGED SIGNIFICANTLY COMPARED TO THE CONTROL GROUP. THE FINDINGS SUPPORT THE IDEA THAT INHIBITORS OF DNA-METHYLTRANSFERASES COULD BE USEFUL FOR PAIN MANAGEMENT. OUR DATA SUGGEST THAT NSAIDS (ALONE OR IN COMBINATION WITH DNMT INHIBITORS) MAY BE PROPOSED AS POSSIBLE EPIGENETIC REGULATORY AGENTS, WHICH MAY PLAY A ROLE IN EPIGENETIC MECHANISMS INDIRECTLY THROUGH ALTERING THE ACTIVITY OF INFLAMMATORY MEDIATORS INVOLVED IN PAIN DEVELOPMENT.	2014	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
14 6226  15 THE LINK BETWEEN EPIGENETICS, PAIN SENSITIVITY AND CHRONIC PAIN. INCREASING EVIDENCE SUGGESTS AN ASSOCIATION BETWEEN GENE EXPRESSION AND CLINICAL PAIN. EPIGENETIC MODIFICATIONS ARE THE MAIN MODULATORS OF GENE EXPRESSION OR PROTEIN TRANSLATION IN RESPONSE TO ENVIRONMENTAL STIMULI AND PATHOPHYSIOLOGICAL CONDITIONS. PRECLINICAL AND CLINICAL STUDIES INDICATE THAT EPIGENETIC MODIFICATIONS COULD ALSO IMPACT THE DEVELOPMENT OF PAIN, THE TRANSITION FROM ACUTE TO CHRONIC PAIN, AND THE MAINTENANCE HEREOF.	2022	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
15 6137  27 THE EPIGENETICS OF PSYCHOSIS: A STRUCTURED REVIEW WITH REPRESENTATIVE LOCI. THE EVIDENCE FOR AN ENVIRONMENTAL COMPONENT IN CHRONIC PSYCHOTIC DISORDERS IS STRONG AND RESEARCH ON THE EPIGENETIC MANIFESTATIONS OF THESE ENVIRONMENTAL IMPACTS HAS COMMENCED IN EARNEST. IN REVIEWING THIS RESEARCH, THE FOCUS IS ON THREE GENES AS MODELS FOR DIFFERENTIAL METHYLATION, MCHR1, AKT1 AND TDO2, EACH OF WHICH HAVE BEEN INVESTIGATED FOR GENETIC ASSOCIATION WITH PSYCHOTIC DISORDERS. ENVIRONMENTAL FACTORS ASSOCIATED WITH PSYCHOTIC DISORDERS, AND WHICH INTERACT WITH THESE MODEL GENES, ARE EXPLORED IN DEPTH. THE LOCATION OF TRANSCRIPTION FACTOR MOTIFS RELATIVE TO KEY METHYLATION SITES IS EVALUATED FOR PREDICTED GENE EXPRESSION RESULTS, AND FOR OTHER SITES, EVIDENCE IS PRESENTED FOR METHYLATION DIRECTING ALTERNATIVE SPLICING. EXPERIMENTAL RESULTS FROM KEY STUDIES SHOW DIFFERENTIAL METHYLATION: FOR MCHR1, IN PSYCHOSIS CASES VERSUS CONTROLS; FOR AKT1, AS A PRE-EXISTING METHYLATION PATTERN INFLUENCING BRAIN ACTIVATION FOLLOWING ACUTE ADMINISTRATION OF A PSYCHOSIS-ELICITING ENVIRONMENTAL STIMULUS; AND FOR TDO2, IN A PATTERN ASSOCIATED WITH A DEVELOPMENTAL FACTOR OF RISK FOR PSYCHOSIS, IN ALL CASES THE PREDICTED EXPRESSION IMPACT BEING HIGHLY DEPENDENT ON LOCATION. METHYLATION INDUCED BY SMOKING, A CONFOUNDING VARIABLE, EXHIBITS AN INTRIGUING PATTERN FOR ALL THREE GENES. FINALLY, HOW DIFFERENTIAL METHYLATION MESHES WITH DARWINIAN PRINCIPLES IS EXAMINED, IN PARTICULAR AS IT RELATES TO THE "FLEXIBLE STEM" THEORY OF EVOLUTION.	2022	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         
16 2716  27 EXERCISE-MODULATED EPIGENETIC MARKERS AND INFLAMMATORY RESPONSE IN COPD INDIVIDUALS: A PILOT STUDY. THE STUDY INVESTIGATED THE EFFECTS OF EXERCISE ON EPIGENETIC SIGNALS AND SYSTEMIC CYTOKINE LEVELS IN CHRONIC OBSTRUCTIVE PULMONARY DISEASE (COPD) INDIVIDUALS. TEN PARTICIPANTS OF A PULMONARY REHABILITATION PROGRAM WERE SUBMITTED TO 24 SESSIONS OF A SUPERVISIONED EXERCISE PROTOCOL THRICE-WEEKLY (90MIN/SESSION). BLOOD SAMPLES WERE COLLECTED AT BASELINE, AFTER THE 1ST SESSION, BEFORE AND AFTER THE 24TH SESSION. A DNA HYPOMETHYLATION STATUS WAS OBSERVED AFTER THE 1ST SESSION WHEN COMPARED AT BASELINE, WHILE GLOBAL HISTONE H4 ACETYLATION STATUS WAS UNALTERED IN ANY TIME-POINTS EVALUATED. NO SIGNIFICANT CHANGES WERE OBSERVED ON CYTOKINE LEVELS AFTER THE 1ST SESSION. A SIGNIFICANT ENHANCEMENT ON INTERLEUKIN 6 (IL-6) AND A DECREASE ON TRANSFORMING GROWTH FACTOR-BETA (TGF-BETA) LEVELS WERE FOUND AFTER THE 24TH SESSION WHEN COMPARED TO THE PRE 24TH SESSION. MOREOVER, 23 SESSIONS OF EXERCISE WERE ABLE TO DIMINISH SIGNIFICANTLY THE BASAL LEVELS OF IL-6 AND INTERLEUKIN 8 (IL-8). THESE DATA SUGGEST A POTENTIAL ROLE OF EPIGENETIC MACHINERY IN MEDIATING THE ANTI-INFLAMMATORY EFFECTS OF EXERCISE IN COPD PATIENTS.	2017	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
17 1584  21 DNA METHYLATION PROFILES OF SELECTED PRO-INFLAMMATORY CYTOKINES IN ALZHEIMER DISEASE. BY MEANS OF FUNCTIONAL GENOMICS ANALYSIS, WE RECENTLY DESCRIBED THE MRNA EXPRESSION PROFILES OF VARIOUS GENES INVOLVED IN THE NEUROINFLAMMATORY RESPONSE IN THE BRAINS OF SUBJECTS WITH LATE-ONSET ALZHEIMER DISEASE (LOAD). SOME OF THESE GENES, NAMELY INTERLEUKIN (IL)-1BETA AND IL-6, SHOWED DISTINCT EXPRESSION PROFILES WITH PEAK EXPRESSION DURING THE FIRST STAGES OF THE DISEASE AND CONTROL-LIKE LEVELS AT LATER STAGES. IL-1BETA AND IL-6 GENES ARE MODULATED BY DNA METHYLATION IN DIFFERENT CHRONIC AND DEGENERATIVE DISEASES; IT IS ALSO WELL KNOWN THAT LOAD MAY HAVE AN EPIGENETIC BASIS. INDEED, WE AND OTHERS HAVE PREVIOUSLY REPORTED GENE-SPECIFIC DNA METHYLATION ALTERATIONS IN LOAD AND IN RELATED ANIMAL MODELS. BASED ON THESE DATA, WE STUDIED THE DNA METHYLATION PROFILES, AT SINGLE CYTOSINE RESOLUTION, OF IL-1BETA AND IL-6 5'-FLANKING REGION BY BISULPHITE MODIFICATION IN THE CORTEX OF HEALTHY CONTROLS AND LOAD PATIENTS AT 2 DIFFERENT DISEASE STAGES: BRAAK I-II/A AND BRAAK V-VI/C. OUR ANALYSIS PROVIDES EVIDENCE THAT NEUROINFLAMMATION IN LOAD IS ASSOCIATED WITH (AND POSSIBLY MEDIATED BY) EPIGENETIC MODIFICATIONS.	2017	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    
18 5347  30 RARBETA AGONIST DRUG (C286) DEMONSTRATES EFFICACY IN A PRE-CLINICAL NEUROPATHIC PAIN MODEL RESTORING MULTIPLE PATHWAYS VIA DNA REPAIR MECHANISMS. NEUROPATHIC PAIN (NP) IS ASSOCIATED WITH PROFOUND GENE EXPRESSION ALTERATIONS WITHIN THE NOCICEPTIVE SYSTEM. DNA MECHANISMS, SUCH AS EPIGENETIC REMODELING AND REPAIR PATHWAYS HAVE BEEN IMPLICATED IN NP. HERE WE HAVE USED A RAT MODEL OF PERIPHERAL NERVE INJURY TO STUDY THE EFFECT OF A RECENTLY DEVELOPED RARBETA AGONIST, C286, CURRENTLY UNDER CLINICAL RESEARCH, IN NP. A 4-WEEK TREATMENT INITIATED 2 DAYS AFTER THE INJURY NORMALIZED PAIN SENSATION. GENOME-WIDE AND PATHWAY ENRICHMENT ANALYSIS SHOWED THAT MULTIPLE MECHANISMS PERSISTENTLY ALTERED IN THE SPINAL CORD WERE RESTORED TO PREINJURY LEVELS BY THE AGONIST. CONCOMITANT UPREGULATION OF DNA REPAIR PROTEINS, ATM AND BRCA1, THE LATTER BEING REQUIRED FOR C286-MEDIATED PAIN MODULATION, SUGGESTS THAT EARLY DNA REPAIR MAY BE IMPORTANT TO PREVENT PHENOTYPIC EPIGENETIC IMPRINTS IN NP. THUS, C286 IS A PROMISING DRUG CANDIDATE FOR NEUROPATHIC PAIN AND DNA REPAIR MECHANISMS MAY BE USEFUL THERAPEUTIC TARGETS TO EXPLORE.	2019	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
19 3141  34 GLOBAL GENE EXPRESSION AND CHROMATIN ACCESSIBILITY OF THE PERIPHERAL NERVOUS SYSTEM IN ANIMAL MODELS OF PERSISTENT PAIN. BACKGROUND: EFFORTS TO UNDERSTAND GENETIC VARIABILITY INVOLVED IN AN INDIVIDUAL'S SUSCEPTIBILITY TO CHRONIC PAIN SUPPORT A ROLE FOR UPSTREAM REGULATION BY EPIGENETIC MECHANISMS. METHODS: TO EXAMINE THE TRANSCRIPTOMIC AND EPIGENETIC BASIS OF CHRONIC PAIN THAT RESIDES IN THE PERIPHERAL NERVOUS SYSTEM, WE USED RNA-SEQ AND ATAC-SEQ OF THE RAT DORSAL ROOT GANGLION (DRG) TO IDENTIFY NOVEL MOLECULAR PATHWAYS ASSOCIATED WITH PAIN HYPERSENSITIVITY IN TWO WELL-STUDIED PERSISTENT PAIN MODELS INDUCED BY CHRONIC CONSTRICTION INJURY (CCI) OF THE SCIATIC NERVE AND INTRA-PLANTAR INJECTION OF COMPLETE FREUND'S ADJUVANT (CFA) IN RATS. RESULTS: OUR RNA-SEQ STUDIES IDENTIFY A VARIETY OF BIOLOGICAL PROCESS RELATED TO SYNAPSE ORGANIZATION, MEMBRANE POTENTIAL, TRANSMEMBRANE TRANSPORT, AND ION BINDING. INTERESTINGLY, GENES THAT ENCODE TRANSCRIPTIONAL REGULATORS WERE DISPROPORTIONATELY DOWNREGULATED IN BOTH MODELS. OUR ATAC-SEQ DATA PROVIDE A COMPREHENSIVE MAP OF CHROMATIN ACCESSIBILITY CHANGES IN THE DRG. A TOTAL OF 1123 REGIONS SHOWED CHANGES IN CHROMATIN ACCESSIBILITY IN ONE OR BOTH MODELS WHEN COMPARED TO THE NAIVE AND 31 SHARED DIFFERENTIALLY ACCESSIBLE REGIONS (DAR)S. FUNCTIONAL ANNOTATION OF THE DARS IDENTIFIED DISPARATE MOLECULAR FUNCTIONS ENRICHED FOR EACH PAIN MODEL WHICH SUGGESTS THAT CHROMATIN STRUCTURE MAY BE ALTERED DIFFERENTLY FOLLOWING SCIATIC NERVE INJURY AND HIND PAW INFLAMMATION. MOTIF ANALYSIS IDENTIFIED 17 DNA SEQUENCES KNOWN TO BIND TRANSCRIPTION FACTORS IN THE CCI DARS AND 33 IN THE CFA DARS. TWO MOTIFS WERE SIGNIFICANTLY ENRICHED IN BOTH MODELS. CONCLUSIONS: OUR IMPROVED UNDERSTANDING OF THE CHANGES IN CHROMATIN ACCESSIBILITY THAT OCCUR IN CHRONIC PAIN STATES MAY IDENTIFY REGULATORY GENOMIC ELEMENTS THAT PLAY ESSENTIAL ROLES IN MODULATING GENE EXPRESSION IN THE DRG.	2021	
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
20 3124  35 GHRELIN TREATMENT IMPROVES PHYSICAL DECLINE IN SARCOPENIA MODEL MICE THROUGH MUSCULAR ENHANCEMENT AND MITOCHONDRIAL ACTIVATION. CHRONIC KIDNEY DISEASE (CKD) IMPAIRS PHYSICAL PERFORMANCE IN HUMANS, WHICH LEADS TO A RISK OF ALL-CAUSE MORTALITY. IN OUR PREVIOUS STUDY, WE DEMONSTRATED THAT A REDUCTION IN MUSCLE MITOCHONDRIA RATHER THAN MUSCLE MASS WAS A MAJOR CAUSE OF PHYSICAL DECLINE IN 5/6 NEPHRECTOMIZED CKD MODEL MICE. BECAUSE GHRELIN ADMINISTRATION HAS BEEN REPORTED TO ENHANCE OXYGEN UTILIZATION IN SKELETAL MUSCLE, WE EXAMINED THE USEFULNESS OF GHRELIN FOR A RECOVERY OF PHYSICAL DECLINE IN 5/6 NEPHRECTOMIZED C57BL/6 MICE, FOCUSING ON THE EPIGENETIC MODIFICATION OF PEROXISOME PROLIFERATOR ACTIVATED RECEPTOR GAMMA COACTIVATOR-1ALPHA (PGC-1ALPHA), A MASTER REGULATOR OF MITOCHONDRIAL BIOGENESIS. THE MICE WERE INTRAPERITONEALLY ADMINISTERED ACYLATED GHRELIN (0.1 NMOL/GBW; THREE TIMES PER WEEK) FOR A MONTH. MUSCLE STRENGTH AND EXERCISE ENDURANCE WERE MEASURED BY USING A DYNAMOMETER AND TREADMILL, RESPECTIVELY. MITOCHONDRIAL DNA COPY NUMBER WAS DETERMINED BY QUANTITATIVE PCR. THE METHYLATION LEVELS OF THE CYTOSINE RESIDUE AT 260 BASE PAIRS UPSTREAM OF THE TRANSLATION INITIATION POINT (C-260) OF PGC-1ALPHA, WHICH HAS BEEN DEMONSTRATED TO DECREASE THE EXPRESSION, WAS EVALUATED BY METHYLATION-SPECIFIC PCR AND BISULFITE GENOMIC SEQUENCING METHODS AFTER THE GHRELIN ADMINISTRATION. GHRELIN ADMINISTRATION IMPROVED BOTH MUSCLE STRENGTH AND EXERCISE ENDURANCE IN THE MICE AND WAS ASSOCIATED WITH AN INCREASE IN MUSCLE MASS AND MUSCLE MITOCHONDRIAL CONTENT. GHRELIN ADMINISTRATION DECREASED THE METHYLATION RATIO OF C-260 OF PGC-1ALPHA IN THE SKELETAL MUSCLE AND INCREASED THE EXPRESSION. THEREFORE, GHRELIN ADMINISTRATION EFFECTIVELY REDUCED THE PHYSICAL DECLINE IN 5/6 NEPHRECTOMIZED MICE AND WAS ACCOMPANIED WITH AN INCREASED MITOCHONDRIAL CONTENT THROUGH DE-METHYLATION OF THE PROMOTER REGION OF PGC-1ALPHA IN THE MUSCLE.	2017