1 6829 129 [HEPATITIS C VIRUS INFECTION AND HEPATOCARCINOGENESIS]. HEPATITIS C VIRUS INFECTION CAUSES APPROXIMATELY 4 MILLION NEW INFECTIONS WORLDWIDE, AND 399 000 DEATHS DUE TO ITS COMPLICATIONS, CIRRHOSIS AND HEPATOCELLULAR CARCINOMA (HCC). MICROENVIRONMENTAL CHANGES, CHRONIC INFLAMMATION, OXIDATIVE STRESS, ENDOPLASMIC RETICULUM STRESS CAUSED BY HCV INFECTION, VIA GENETIC AND EPIGENETIC CHANGES CAN RESULT IN PRIMARY LIVER CANCER DURING DECADES. THE DIRECT ONCOGENIC PROPERTY OF HCV IS WELLKNOWN. THE TRANSFORMING EFFECT OF FOUR HCV PROTEINS (CORE, NS3, NS4B, NS5A) HAS BEEN PROVEN. EFFECTIVE ANTIVIRAL THERAPY, SUSTAINED VIRAL RESPONSE DECREASES THE HCV-RELATED GENERAL AND LIVER-RELATED MORTALITY. INTERFERON-BASED THERAPY REDUCES THE RISK OF HCC DEVELOPMENT. SHORTER THERAPY WITH DIRECT ACTING ANTIVIRAL AGENTS (DAA) HAS HIGHER EFFICACY, FEWER SIDE-EFFECTS. PUBLICATIONS HAVE REPORTED THE UNEXPECTED EFFECTS OF DAA. THE AUTHORS REVIEW THE ARTICLES FOCUSING ON THE OCCURRENCE OF HCC IN CONNECTION WITH DAA THERAPIES. THERE IS A NEED FOR PROSPECTIVE, MULTICENTRIC STUDIES WITH LONGER FOLLOW-UP TO EXAMINE THE RISK OF HCC FORMATION. AFTER ANTIVIRAL THERAPY, HCC SURVEILLANCE IS OF HIGH IMPORTANCE WHICH MEANS ABDOMINAL ULTRASOUND EVERY 3-6-12 MONTHS IN SUSTAINED VIRAL RESPONSE PATIENTS AS WELL. ORV HETIL. 2019; 160(22): 846-853. 2019 2 6825 23 [GENETIC AND EPIGENETIC FACTORS OF POLYCYSTIC OVARY SYNDROME]. THE DEVELOPMENT OF POLYCYSTIC OVARY SYNDROME AND ITS EXACT PATHOPHYSIOLOGICAL MECHANISM IS STILL UNCLEAR, BUT ENVIRONMENTAL AND GENETIC FACTORS LIKELY PLAY A ROLE. EXPOSITION TO TERATOGENIC EFFECTS DURING THE PRENATAL DEVELOPMENT CAN LEAD TO CHRONIC DISEASES IN THE POSTNATAL PERIOD. THIS FINDING CONFIRMS THE COMMON FAMILIAL AGGREGATION AS WELL. A LITERATURE SEARCH WAS CONDUCTED UP TO JANUARY 1, 2016 FOR ARTICLES DEALING WITH THE GENETIC OR EPIGENETIC FACTORS OF POLYCYSTIC OVARY SYNDROME. THIS REVIEW WILL DISCUSS THE CURRENT UNDERSTANDING OF THE GENETIC BASIS AND CLINICAL PRESENTATION OF THIS DISEASE. ORV. HETIL., 2016, 157(32), 1275-1281. 2016 3 5763 18 SOME COMMENTS ON MASOCHISM AND THE DELUSION OF OMNIPOTENCE FROM A DEVELOPMENTAL PERSPECTIVE. THIS PAPER EXPLORES THE RELATION OF THE DELUSION OF OMNIPOTENCE TO MASOCHISM AND SUGGESTS THAT THIS FANTASY CONSTITUTES A MAJOR COMPONENT OF THE RESISTANCE SO PROMINENT IN WORK WITH MASOCHISTIC PATIENTS. THE CONNECTIONS AMONG MASOCHISM, OMNIPOTENCE, NEGATIVE THERAPEUTIC REACTION, AND CLINGING TO PAIN ARE DISCUSSED. THE CLASSICAL VIEW HAS BEEN THAT THE FAILURE OF INFANTILE OMNIPOTENCE FORCES THE CHILD TO TURN TO REALITY. OUR EXPERIENCE WITH MASOCHISTIC PATIENTS SUGGESTS THAT IT IS THE REAL FAILURE TO ACHIEVE COMPETENT INTERACTIONS WITH OTHERS THAT FORCES THE CHILD TO TURN TO OMNIPOTENT SOLUTIONS. THE DISTINCTION IS MADE BETWEEN FANTASIES THAT ENHANCE THE REAL CAPACITIES OF THE SELF AND THOSE AIMED AT DENYING AND TRANSFORMING THE PAIN AND INADEQUACY OF THE MOTHER-CHILD RELATIONSHIP. THE EPIGENETIC TRANSFORMATIONS OF OMNIPOTENT FANTASIES THROUGH ALL LEVELS OF DEVELOPMENT ARE DESCRIBED. THE PATIENT'S NEED TO PROTECT THE OMNIPOTENT FANTASY IS DISCUSSED IN RELATION TO RESISTANCE AT EACH PHASE OF ANALYSIS. 1991 4 608 21 BEYOND HOMEOSTASIS: UNDERSTANDING THE IMPACT OF PSYCHOSOCIAL FACTORS ON APPETITE USING NONHUMAN PRIMATE MODELS. ANIMAL MODELS HAVE PROVEN TO BE EXCEPTIONALLY INFORMATIVE IN DEFINING NEUROPEPTIDE REGULATION OF APPETITE AND ENERGY HOMEOSTASIS (GAO AND HORVATH 2007, BERTHOUD 2012, WILLIAMS AND ELMQUIST 2012). MORE RECENT STUDIES USING A RANGE OF ANIMAL MODELS AND MOLECULAR TOOLS ARE ELUCIDATING HOW EPIGENETIC CHANGES RESULTING FROM SPECIFIC PRENATAL AND POSTNATAL DIETARY ENVIRONMENTS OR EXPERIENCES AFFECT METABOLIC PROCESSES AND APPETITE REGULATION (LEVIN 2008, ZAMBRANO AND NATHANIELSZ 2013, BURDGE AND LILLYCROP 2014). TAKEN TOGETHER, THESE APPROACHES ARE HELPING TO DEFINE POSSIBLE TREATMENT INTERVENTIONS FOR EATING DISORDERS IN PEOPLE (CASPER, SULLIVAN, AND TECOTT 2008, FOLTIN 2012, VAN GESTEL ET AL. 2014, LUTTER, CROGHAN, AND CUI 2016). THE CHOICE OF ANIMAL USED IS BEST DICTATED BY THE QUESTION BEING ADDRESSED. BECAUSE OF SIMILARITIES IN PHYSIOLOGY AND NEUROBIOLOGY, STUDIES OF CAPTIVE NONHUMAN PRIMATES HAVE BEGUN TO CONTRIBUTE SIGNIFICANTLY TO OUR UNDERSTANDING OF APPETITE REGULATION (SEE WILSON ET AL. 2014 FOR A REVIEW). IMPORTANTLY, THE USE OF NONHUMAN PRIMATE MODELS PROVIDES THE UNIQUE OPPORTUNITY TO EXTEND ANALYSES BEYOND A FOCUS ON THE HOMEOSTATIC REGULATION OF APPETITE. THIS IS PARTICULARLY RELEVANT GIVEN THE WELL-ESTABLISHED NOTION THAT A NUMBER OF PSYCHOSOCIAL FACTORS INFLUENCE FOOD INTAKE IN PEOPLE (BRUCE AND RICCIARDELLI 2015), INCLUDING CHRONIC STRESSOR EXPOSURE (TSENKOVA, BOYLAN, AND RYFF 2013), EVEN IN CHILDREN (NGUYEN-RODRIGUEZ, UNGER, AND SPRUIJT-METZ 2009). WHILE THE IMPORTANCE OF PSYCHOSOCIAL FACTORS CAN BE MODELED IN NONPRIMATE ANIMALS (TAMASHIRO, HEGEMAN, AND SAKAI 2006), SOCIALLY HOUSED NONHUMAN PRIMATES SHARE MANY CHARACTERISTICS IN ADDITION TO PHYSIOLOGY AND NEUROBIOLOGY, WITH HUMANS INCREASING THE TRANSLATIONAL VALUE OF THESE PRE-CLINICAL STUDIES. 2017 5 4527 26 MULTIGENERATIONAL EFFECTS OF 4-METHYLBENZYLIDENE CAMPHOR (4-MBC) ON THE SURVIVAL, DEVELOPMENT AND REPRODUCTION OF THE MARINE COPEPOD TIGRIOPUS JAPONICUS. ONE OF THE MOST WIDELY USED ORGANIC UV FILTERS, 4-METHYLBENZYLIDENE CAMPHOR (4-MBC), IS PRESENT AT HIGH CONCENTRATIONS IN OFFSHORE WATERS. THE MARINE COPEPOD TIGRIOPUS JAPONICUS WAS EXPOSED TO DIFFERENT CONCENTRATIONS OF 4-MBC (I.E., 0, 0.5, 1, 5 AND 10MUGL(-1)) FOR 4 CONSECUTIVE GENERATIONS (F0-F3) TO EVALUATE THE IMPACT OF 4-MBC ON MARINE ECOSYSTEMS. THE RESULTS SHOWED THAT IN THE F0 GENERATION, 4-MBC CAUSED SIGNIFICANT LETHAL TOXICITY IN T. JAPONICAS AT CONCENTRATIONS OF 5 AND 10MUGL(-1) AND THE NAUPLII WERE MORE SENSITIVE TO 4-MBC TOXICITY THAN THE ADULTS. HOWEVER IN THE F1-F3 GENERATIONS, 4-MBC EXPOSURE DID NOT AFFECT THE SURVIVAL RATE. THE HATCHING RATE AND THE DEVELOPMENTAL DURATION FROM THE NAUPLII TO THE COPEPODITE (N-C) AND FROM THE NAUPLII TO ADULT (N-A) DECREASED SIGNIFICANTLY IN THE F1-F2 GENERATIONS AND IN THE F2-F3 GENERATIONS, RESPECTIVELY, EVEN AT THE LOWEST EXPOSURE CONCENTRATION (0.5MUGL(-1)). IN THE SUBSEQUENT TWO GENERATIONS (I.E., THE F4-F5 GENERATIONS) OF RECOVERY EXPOSURE IN CLEAN SEAWATER, THE GROWTH RATES OF THE ORIGINAL 4-MBC EXPOSURE GROUPS WERE STILL FASTER THAN THE CONTROL IN BOTH THE N-C AND N-A STAGES, SUGGESTING POSSIBLE TRANSGENERATIONAL GENETIC AND/OR EPIGENETIC CHANGES UPON CHRONIC 4-MBC EXPOSURE. THE EXPRESSION OF THE ECDYSONE RECEPTOR GENE WAS UP-REGULATED BY 4-MBC, WHICH WAS CONSISTENT WITH THE DECREASE OF THE N-C/N-A DURATION. IN ADDITION, 4-MBC MAY INDUCE OXIDATIVE STRESS AND TRIGGER APOPTOSIS IN T. JAPONICAS, RESULTING IN DEVELOPMENTAL, REPRODUCTIVE AND EVEN LETHAL TOXICITY. A PRELIMINARY RISK ASSESSMENT SUGGESTED THAT UNDER ENVIRONMENTALLY REALISTIC CONCENTRATIONS, 4-MBC HAD SIGNIFICANT POTENTIAL TO POSE A THREAT TO MARINE CRUSTACEANS AND MARINE ECOSYSTEMS. 2018 6 2649 18 EPIGENOMIC, GENOMIC, AND TRANSCRIPTOMIC LANDSCAPE OF SCHWANNOMATOSIS. SCHWANNOMATOSIS (SWNTS) IS A GENETIC CANCER PREDISPOSITION SYNDROME THAT MANIFESTS AS MULTIPLE AND OFTEN PAINFUL NEURONAL TUMORS CALLED SCHWANNOMAS (SWNS). WHILE GERMLINE MUTATIONS IN SMARCB1 OR LZTR1, PLUS SOMATIC MUTATIONS IN NF2 AND LOSS OF HETEROZYGOSITY IN CHROMOSOME 22Q HAVE BEEN IDENTIFIED IN A SUBSET OF PATIENTS, LITTLE IS KNOWN ABOUT THE EPIGENOMIC AND GENOMIC ALTERATIONS THAT DRIVE SWNTS-RELATED SWNS (SWNTS-SWNS) IN A MAJORITY OF THE CASES. WE PERFORMED MULTIPLATFORM GENOMIC ANALYSIS AND ESTABLISHED THE MOLECULAR SIGNATURE OF SWNTS-SWNS. WE SHOW THAT SWNTS-SWNS HARBOR DISTINCT GENOMIC FEATURES RELATIVE TO THE HISTOLOGICALLY IDENTICAL NON-SYNDROMIC SPORADIC SWNS (NS-SWNS). WE DEMONSTRATE THE EXISTENCE OF FOUR DISTINCT DNA METHYLATION SUBGROUPS OF SWNTS-SWNS THAT ARE ASSOCIATED WITH SPECIFIC TRANSCRIPTIONAL PROGRAMS AND TUMOR LOCATION. WE SHOW SEVERAL NOVEL RECURRENT NON-22Q DELETIONS AND STRUCTURAL REARRANGEMENTS. WE DETECTED THE SH3PXD2A-HTRA1 GENE FUSION IN SWNTS-SWNS, WITH PREDOMINANCE IN LZTR1-MUTANT TUMORS. IN ADDITION, WE IDENTIFIED SPECIFIC GENETIC, EPIGENETIC, AND ACTIONABLE TRANSCRIPTIONAL PROGRAMS ASSOCIATED WITH PAINFUL SWNTS-SWNS INCLUDING PIGF, VEGF, MEK, AND MTOR PATHWAYS, WHICH MAY BE HARNESSED FOR MANAGEMENT OF THIS SYNDROME. 2021 7 2819 19 FILARIAL AND WOLBACHIA GENOMICS. FILARIAL NEMATODE PARASITES, THE CAUSATIVE AGENTS FOR A SPECTRUM OF ACUTE AND CHRONIC DISEASES INCLUDING LYMPHATIC FILARIASIS AND RIVER BLINDNESS, THREATEN THE WELL-BEING AND LIVELIHOOD OF HUNDREDS OF MILLIONS OF PEOPLE IN THE DEVELOPING REGIONS OF THE WORLD. THE 2007 PUBLICATION ON A DRAFT ASSEMBLY OF THE 95-MB GENOME OF THE HUMAN FILARIAL PARASITE BRUGIA MALAYI- REPRESENTING THE FIRST HELMINTH PARASITE GENOME TO BE SEQUENCED - HAS BEEN FOLLOWED IN RAPID SUCCESSION BY PROJECTS THAT HAVE RESULTED IN THE GENOME SEQUENCING OF SIX ADDITIONAL FILARIAL SPECIES, SEVEN NONFILARIAL NEMATODE PARASITES OF ANIMALS AND NEARLY 30 PLANT PARASITIC AND FREE-LIVING SPECIES. PARALLEL TO THE GENOMIC SEQUENCING, TRANSCRIPTOMIC AND PROTEOMIC PROJECTS HAVE FACILITATED GENOME ANNOTATION, EXPANDED OUR UNDERSTANDING OF STAGE-ASSOCIATED GENE EXPRESSION AND PROVIDED A FIRST LOOK AT THE ROLE OF EPIGENETIC REGULATION OF FILARIAL GENOMES THROUGH MICRORNAS. THE EXPANSION IN FILARIAL GENOMICS WILL ALSO PROVIDE A SIGNIFICANT ENRICHMENT IN OUR KNOWLEDGE OF THE DIVERSITY AND VARIABILITY IN THE GENOMES OF THE ENDOSYMBIOTIC BACTERIUM WOLBACHIA LEADING TO A BETTER UNDERSTANDING OF THE GENETIC PRINCIPLES THAT GOVERN FILARIAL-WOLBACHIA MUTUALISM. THE GOAL HERE IS TO PROVIDE AN OVERVIEW OF THE TRENDS AND ADVANCES IN FILARIAL AND WOLBACHIA GENOMICS. 2012 8 760 21 CASZ1: CURRENT IMPLICATIONS IN CARDIOVASCULAR DISEASES AND CANCERS. CASTOR ZINC FINGER 1 (CASZ1) IS A C2H2 ZINC FINGER FAMILY PROTEIN THAT HAS TWO SPLICING VARIANTS, CASZ1A AND CASZ1B. IT IS INVOLVED IN MULTIPLE PHYSIOLOGICAL PROCESSES, SUCH AS TISSUE DIFFERENTIATION AND ALDOSTERONE ANTAGONISM. GENETIC AND EPIGENETIC ALTERNATIONS OF CASZ1 HAVE BEEN CHARACTERIZED IN MULTIPLE CARDIOVASCULAR DISORDERS, SUCH AS CONGENITAL HEART DISEASES, CHRONIC VENOUS DISEASES, AND HYPERTENSION. HOWEVER, LITTLE IS KNOWN ABOUT HOW CASZ1 MECHANICALLY PARTICIPATES IN THE PATHOGENESIS OF THESE DISEASES. OVER THE PAST DECADES, AT FIRST GLANCE, PARADOXICAL INFLUENCES ON CELL BEHAVIORS AND PROGRESSIONS OF DIFFERENT CANCER TYPES HAVE BEEN DISCOVERED FOR CASZ1, WHICH MAY BE EXPLAINED BY A "DOUBLE-AGENT" ROLE FOR CASZ1. IN THIS REVIEW, WE DISCUSS THE PHYSIOLOGICAL FUNCTION OF CASZ1, AND FOCUS ON THE ASSOCIATION OF CASZ1 ABERRATIONS WITH THE PATHOGENESIS OF CARDIOVASCULAR DISEASES AND CANCERS. 2023 9 3862 18 ISOPATHIC USE OF AUTO-SARCODE OF DNA AS ANTI-MIASMATIC HOMEOPATHIC MEDICINE AND MODULATOR OF GENE EXPRESSION? INTRODUCTION: IN ADDITION TO THE FOUR PILLARS OF HOMEOPATHY, VITALISM AND THE MIASMATIC THEORY ARE OFTEN USED TO EXPLAIN THE HEALTH-DISEASE PROCESS. ACCORDING TO HAHNEMANN'S CONCEPTS, HOMEOPATHIC MIASMS ARE THE MAIN OBSTACLE TO THE CURE OF CHRONIC DISEASES, WITH PSORA BEING THE FUNDAMENTAL CAUSE OF ALL FORMS OF DISEASES. ACCORDING TO MODERN GENETICS, THE DISEASE-PROMOTING EPIGENETIC ALTERATIONS ARE THE FUNDAMENTAL CAUSE OF THE MANIFESTATION OF CHRONIC DISEASES. OBJECTIVE: THIS ARTICLE DEVELOPS A PHILOSOPHICAL-SCIENTIFIC CORRELATION BETWEEN CHRONIC MIASMS AND DISEASE-PROMOTING EPIGENETIC MODIFICATIONS, AIMING TO JUSTIFY THE ISOPATHIC USE OF AUTO-SARCODE OF AN INDIVIDUAL'S DNA AS HOMEOPATHIC MEDICINE. RESULTS: BASED ON THE STUDY OF HOMEOPATHIC DOCTRINE AND EPIGENETICS, A CONCEPTUAL AND FUNCTIONAL CORRELATION IS OBSERVED BETWEEN HOMEOPATHIC CHRONIC MIASMS AND DISEASE-PROMOTING EPIGENETIC MODIFICATIONS. ADDITIONALLY, SEVERAL EXPERIMENTAL STUDIES SUGGEST THAT HOMEOPATHY'S MECHANISM OF ACTION MAY BE BY MODULATING GENE EXPRESSION. CONCLUSIONS: BY THE PHILOSOPHICAL-SCIENTIFIC CORRELATIONS DESCRIBED, IT IS INFERRED THAT DISEASE-PROMOTING EPIGENETIC ALTERATIONS ARE THE BIOLOGICAL REPRESENTATION OF THE CHRONIC MIASMS, SUGGESTING THE ISOPATHIC USE OF AUTO-SARCODE OF DNA AS HOMEOPATHIC THERAPEUTIC MODULATOR OF GENE EXPRESSION FOR THE MANAGEMENT OF CHRONIC DISEASES. 2019 10 6490 20 TRACING SLOW PHENOPTOSIS TO THE PRENATAL STAGE IN SOCIAL VERTEBRATES. VLADIMIR SKULACHEV'S COINING OF THE TERM "PHENOPTOSIS" 25 YEARS AGO (SKULACHEV, V. P., BIOCHEMISTRY (MOSCOW), 62, 1997) HIGHLIGHTED THE THEORETICAL POSSIBILITY THAT AGING IS A PROGRAMMED PROCESS TO SPEED THE EXIT OF INDIVIDUALS POSING SOME DANGER TO THEIR SOCIAL GROUP. WHILE RAPID "ACUTE PHENOPTOSIS" MIGHT OCCUR AT ANY AGE (E.G., TO PREVENT SPREAD OF DEADLY INFECTIONS), "SLOW PHENOPTOSIS" IS GENERALLY CONSIDERED TO OCCUR LATER IN LIFE IN THE FORM OF CHRONIC AGE-RELATED DISORDERS. HOWEVER, RECENT RESEARCH INDICATES THAT RISKS FOR SUCH CHRONIC DISORDERS CAN BE GREATLY RAISED BY EARLY LIFE ADVERSITY, ESPECIALLY DURING THE PRENATAL STAGE. MUCH OF THIS RESEARCH USES INDICATORS OF BIOLOGICAL AGING, THE SPEEDING OR SLOWING OF NATURAL PHYSIOLOGICAL DETERIORATION IN RESPONSE TO ENVIRONMENTAL INPUTS, LEADING TO DIVERGENCE FROM CHRONOLOGICAL AGE. STUDIES USING BIOLOGICAL AGING INDICATORS COMMONLY FIND IT IS ACCELERATED NOT ONLY IN OLDER INDIVIDUALS WITH CHRONIC DISORDERS, BUT ALSO IN VERY YOUNG INDIVIDUALS WITH HEALTH PROBLEMS. THIS REVIEW WILL EXPLAIN HOW ACCELERATED BIOLOGICAL AGING EQUATES TO SLOW PHENOPTOSIS. ITS OCCURRENCE EVEN IN THE PRENATAL STAGE IS THEORETICALLY SUPPORTED BY W. D. HAMILTON'S PROPOSAL THAT OFFSPRINGS DETECTING THEY HAVE DANGEROUS MUTATIONS SHOULD THEN AUTOMATICALLY SPEED THEIR DEMISE, IN ORDER TO IMPROVE THEIR INCLUSIVE FITNESS BY GIVING THEIR PARENTS THE CHANCE TO PRODUCE OTHER FITTER SIBLINGS. 2022 11 1171 20 CONTRIBUTION OF MATURE HEPATOCYTES TO BILIARY REGENERATION IN RATS WITH ACUTE AND CHRONIC BILIARY INJURY. WHETHER HEPATOCYTES CAN CONVERT INTO BILIARY EPITHELIAL CELLS (BECS) DURING BILIARY INJURY IS MUCH DEBATED. TO TEST THIS CONCEPT, WE TRACED THE FATE OF GENETICALLY LABELED [DIPEPTIDYL PEPTIDASE IV (DPPIV)-POSITIVE] HEPATOCYTES IN HEPATOCYTE TRANSPLANTATION MODEL FOLLOWING ACUTE HEPATO-BILIARY INJURY INDUCED BY 4,4'-METHYLENE-DIANILINE (DAPM) AND D-GALACTOSAMINE (DAPM+D-GAL) AND IN DPPIV-CHIMERIC LIVER MODEL SUBJECTED TO ACUTE (DAPM+D-GAL) OR CHRONIC BILIARY INJURY CAUSED BY DAPM AND BILE DUCT LIGATION (DAPM+BDL). IN BOTH MODELS BEFORE BILIARY INJURY, BECS ARE UNIFORMLY DPPIV-DEFICIENT AND PROLIFERATION OF DPPIV-DEFICIENT HEPATOCYTES IS RESTRICTED BY RETRORSINE. WE FOUND THAT MATURE HEPATOCYTES UNDERWENT A STEPWISE CONVERSION INTO BECS AFTER BILIARY INJURY. IN THE HEPATOCYTE TRANSPLANTATION MODEL, DPPIV-POSITIVE HEPATOCYTES ENTRAPPED PERIPORTALLY PROLIFERATED, AND FORMED TWO-LAYERED PLATES ALONG PORTAL VEINS. WITHIN THE TWO-LAYERED PLATES, THE HEPATOCYTES GRADUALLY LOST THEIR HEPATOCYTIC IDENTITY, PROCEEDED THROUGH AN INTERMEDIATE STATE, ACQUIRED A BILIARY PHENOTYPE, AND SUBSEQUENTLY FORMED BILE DUCTS ALONG THE HILUM-TO-PERIPHERY AXIS. IN DPPIV-CHIMERIC LIVER MODEL, PERIPORTAL HEPATOCYTES EXPRESSING HEPATOCYTE NUCLEAR FACTOR-1BETA (HNF-1BETA) WERE EXCLUSIVELY DPPIV-POSITIVE AND WERE IN CONTINUITY TO DPPIV-POSITIVES BILE DUCTS. INHIBITION OF HEPATOCYTE PROLIFERATION BY ADDITIONAL DOSES OF RETRORSINE IN DPPIV-CHIMERIC LIVERS PREVENTED THE APPEARANCE OF DPPIV-POSITIVE BECS AFTER BILIARY INJURY. MOREOVER, ENRICHED DPPIV-POSITIVE BEC/HEPATIC OVAL CELL TRANSPLANTATION PRODUCED DPPIV-POSITIVE BECS OR BILE DUCTS IN UNEXPECTEDLY LOW FREQUENCY AND IN MID-LOBULAR REGIONS. THESE RESULTS TOGETHER SUGGEST THAT MATURE HEPATOCYTES BUT NOT CONTAMINATING BECS/HEPATIC OVAL CELLS ARE THE SOURCES OF PERIPORTAL DPPIV-POSITIVE BECS. WE CONCLUDE THAT MATURE HEPATOCYTES CONTRIBUTE TO BILIARY REGENERATION IN THE ENVIRONMENT OF ACUTE AND CHRONIC BILIARY INJURY THROUGH A DUCTAL PLATE CONFIGURATION WITHOUT THE NEED OF EXOGENOUSLY GENETIC OR EPIGENETIC MANIPULATION. 2015 12 4576 21 MYOGENIC POTENTIAL OF CANINE CRANIOFACIAL SATELLITE CELLS. THE SKELETAL FIBERS HAVE DIFFERENT EMBRYOLOGICAL ORIGIN; THE EXTRAOCULAR AND JAW-CLOSER MUSCLES DEVELOP FROM PRECHORDAL MESODERM WHILE THE LIMB AND TRUNK MUSCLES FROM SOMITES. THESE DIFFERENT ORIGINS CHARACTERIZE ALSO THE ADULT MUSCLE STEM CELLS, KNOWN AS SATELLITE CELLS (SCS) AND RESPONSIBLE FOR THE FIBER GROWTH AND REGENERATION. THE PHYSIOLOGICAL PROPERTIES OF PRESOMITIC SCS AND THEIR EPIGENETICS ARE POORLY STUDIED DESPITE THEIR PECULIAR CHARACTERISTICS TO PRESERVE MUSCLE INTEGRITY DURING CHRONIC MUSCLE DEGENERATION. HERE, WE ISOLATED SCS FROM CANINE SOMITIC [SOMITE-DERIVED MUSCLE (SDM): VASTUS LATERALIS, RECTUS ABDOMINIS, GLUTEUS SUPERFICIALIS, BICEPS FEMORIS, PSOAS] AND PRESOMITIC [PRE-SOMITE-DERIVED MUSCLE (PSDM): LATERAL RECTUS, TEMPORALIS, AND RETRACTOR BULBI] MUSCLES AS MYOGENIC PROGENITOR CELLS FROM YOUNG AND OLD ANIMALS. IN ADDITION, SDM AND PSDM-SCS WERE OBTAINED ALSO FROM GOLDEN RETRIEVERS AFFECTED BY MUSCULAR DYSTROPHY (GRMD). WE CHARACTERIZED THE LIFESPAN, THE MYOGENIC POTENTIAL AND FUNCTIONS, AND OXIDATIVE STRESS OF BOTH SOMITIC AND PRESOMITIC SCS WITH THE AIM TO REVEAL DIFFERENCES WITH AGING AND BETWEEN HEALTHY AND DYSTROPHIC ANIMALS. THE DIFFERENT PROLIFERATION RATE WAS CONSISTENT WITH HIGHER TELOMERASE ACTIVITY IN PSDM-SCS COMPARED TO SDM-SCS, ALTHOUGH RESTRICTED AT EARLY PASSAGES. SDM-SCS EXPRESS EARLY (PAX7, MYOD) AND LATE (MYOSIN HEAVY CHAIN, MYOGENIN) MYOGENIC MARKERS DIFFERENTLY FROM PSDM-SCS RESULTING IN A MORE EFFICIENT AND FASTER CELL DIFFERENTIATION. TAKEN TOGETHER, OUR RESULTS SHOWED THAT PSDM-SCS ELICIT A STRONGER STEM CELL PHENOTYPE COMPARED TO SDM ONES. FINALLY, MYOMIR EXPRESSION PROFILE REVEALS A UNIQUE EPIGENETIC SIGNATURE IN GRMD SCS AND MIR-206, HIGHLY EXPRESSED IN DYSTROPHIC SCS, SEEMS TO PLAY A CRITICAL ROLE IN MUSCLE DEGENERATION. THUS, MIR-206 COULD REPRESENT A POTENTIAL TARGET FOR NOVEL THERAPEUTIC APPROACHES. 2014 13 3381 21 HLA AND AUTOIMMUNE DISEASES: TYPE 1 DIABETES (T1D) AS AN EXAMPLE. AUTOIMMUNE DISEASES NEED TO BE CONSIDERED AT A GENETIC AND MECHANISTIC LEVEL. T1D IS AN AUTOIMMUNE, CHRONIC, MULTIFACTORIAL AND POLYGENIC DISEASE CHARACTERIZED BY THE DESTRUCTION OF THE PANCREATIC BETA-CELLS ASSOCIATED WITH LONG TERM DYSFUNCTION OF SEVERAL ORGANS AND TISSUES. MECHANISMS OF SUSCEPTIBILITY INCLUDE EPI-GENETIC AND POST-TRANSCRIPTIONAL EFFECTS THAT REGULATE TRANSMISSION AND EXPRESSION OF THE INHERITED GENES. THE HLA COMPLEX, CONSTITUTES THE MOST RELEVANT REGION CONTRIBUTING 50% OF THE INHERITED RISK FOR T1D. AN ADDITIONAL 17 GENES WITH VARIABLE BUT SMALL EFFECTS HAVE BEEN DESCRIBED. IN NON-CAUCASIANS, THE PRESENCE OF E-DRBETA1-74 AND/OR D-DRBETA1-57 ARE RELEVANT IN PREDISPOSITION. THE "DIABETOGENIC HAPLOTYPES" IN MEXICANS WERE DRB1*0301-DQA1*0501-DQB1*0201 (OR = 21.4); DRB1*0405-DQA1-*0301-DQB1*0302 (OR = 44.5) AND THE SAME DQA1/DQB1 WITH DRB1*0404/*0401 CONFERRING LOWER RISK, INCREASING (OR = 61.3) WITH AN EARLY AGE AT ONSET AND A HETEROZYGOTE DR3/DR4 GENOTYPE. IN MOST POPULATIONS, THE ABSENCE OF D-57 AND THE PRESENCE OF R-52 ARE IMPORTANT TO THE SUSCEPTIBILITY, BUT IN HISPANICS, ALL DR4S (INCLUDING THE PROTECTIVE DRB1*0403/*0407/*0411) ARE IN LINKAGE DISEQUILIBRIUM WITH DQA1/DQB1 SUSCEPTIBILITY ALLELES. THUS, SUSCEPTIBILITY ALLELES IN LATIN AMERICAN MESTIZOS ARE OF MEDITERRANEAN ANCESTRY WHEREAS PROTECTIVE ALLELES ARE OF AMERINDIAN ORIGIN. IN THIS REVIEW, WE DISCUSS THE COMPLEXITY OF T1D AND SOME ASPECTS OF PREVENTION/INTERVENTION BASED ON IMMUNOGENETICS. 2006 14 4492 15 MONOZYGOTIC TWINS DISCORDANT FOR ROHHAD PHENOTYPE. RAPID-ONSET OBESITY WITH HYPOTHALAMIC DYSFUNCTION, HYPOVENTILATION, AND AUTONOMIC DYSREGULATION (ROHHAD) FALLS WITHIN A GROUP OF PEDIATRIC DISORDERS WITH BOTH RESPIRATORY CONTROL AND AUTONOMIC NERVOUS SYSTEM DYSREGULATION. CHILDREN WITH ROHHAD TYPICALLY PRESENT AFTER 1.5 YEARS OF AGE WITH RAPID WEIGHT GAIN AS THE INITIAL SIGN. SUBSEQUENTLY, THEY DEVELOP ALVEOLAR HYPOVENTILATION, AUTONOMIC NERVOUS SYSTEM DYSREGULATION, AND, IF UNTREATED, CARDIORESPIRATORY ARREST. TO OUR KNOWLEDGE, THIS IS THE FIRST REPORT OF DISCORDANT PRESENTATION OF ROHHAD IN MONOZYGOTIC TWINS. TWIN GIRLS, BORN AT TERM, HAD CONCORDANT GROWTH AND DEVELOPMENT UNTIL 8 YEARS OF AGE. FROM 8 TO 12 YEARS OF AGE, THE AFFECTED TWIN DEVELOPED FEATURES CHARACTERISTIC OF ROHHAD INCLUDING OBESITY, ALVEOLAR HYPOVENTILATION, SCOLIOSIS, HYPOTHALAMIC DYSFUNCTION (CENTRAL DIABETES INSIPIDUS, HYPOTHYROIDISM, PREMATURE PUBARCHE, AND GROWTH HORMONE DEFICIENCY), RIGHT PARASPINAL/THORACIC GANGLIONEUROBLASTOMA, SEIZURES, AND AUTONOMIC DYSREGULATION INCLUDING ALTERED PAIN PERCEPTION, LARGE AND SLUGGISHLY REACTIVE PUPILS, HYPOTHERMIA, AND PROFOUND BRADYCARDIA THAT REQUIRED A CARDIAC PACEMAKER. RESULTS OF GENETIC TESTING FOR PHOX2B (CONGENITAL CENTRAL HYPOVENTILATION SYNDROME DISEASE-DEFINING GENE) MUTATIONS WERE NEGATIVE. WITH EARLY RECOGNITION AND CONSERVATIVE MANAGEMENT, THE AFFECTED TWIN HAD EXCELLENT NEUROCOGNITIVE OUTCOME THAT MATCHED THAT OF THE UNAFFECTED TWIN. THE UNAFFECTED TWIN DEMONSTRATED RAPID WEIGHT GAIN LATER IN AGE BUT NOT DEVELOPMENT OF SIGNS/SYMPTOMS CONSISTENT WITH ROHHAD. THIS DISCORDANT TWIN PAIR DEMONSTRATES KEY FEATURES OF ROHHAD INCLUDING THE IMPORTANCE OF EARLY RECOGNITION (ESPECIALLY HYPOVENTILATION), COMPLEXITY OF SIGNS/SYMPTOMS AND CLINICAL COURSE, AND IMPORTANCE OF INITIATING COMPREHENSIVE, MULTISPECIALTY CARE. THESE CASES CONFOUND THE HYPOTHESIS OF A MONOGENIC ETIOLOGY FOR ROHHAD AND INDICATE ALTERNATIVE ETIOLOGIES INCLUDING AUTOIMMUNE OR EPIGENETIC PHENOMENON OR A COMBINATION OF GENETIC PREDISPOSITION AND ACQUIRED PRECIPITANT. 2011 15 6769 23 ["EDUCATION" IN AN AGE OF INCREASING EQUALITY--A PATH TOWARDS 'OCHLOCRACY"?]. A PHILOSOPHICAL AND SCIENTIFIC ANALYSIS OF HOW THE CONCEPT OF EQUALITY HAS DEVELOPED FROM BIOLOGICAL, POLITICAL, SOCIOLOGICAL, SOCIAL, ECONOMIC AND--NOT LEAST--CULTURAL POINTS OF VIEW. THE FOCUS HERE IS ON THE GERMAN CHRONIC SHORTAGE OF EDUCATIONAL FACILITIES CONTINUING FOR DECADES, A CULTURAL REVOLUTION WITHOUT ANY FORESEEABLE END. THESE REFLECTIONS ENCOMPASS A PERIOD OF AROUND TWO AND A HALF MILLENNIA, BEGINNING WITH THE ANCIENT GREEK STATE PHILOSOPHY, REACHING INTO OUR EPOCH OF ADVANCED GLOBALISATION WITH MOMENTOUS CHANGES IN WESTERN SOCIAL WELFARE STATES. IN CONSIDERATION OF A BIOCHEMICAL AND INTRINSIC INDIVIDUALITY BASED ON GENETIC AND EPI-GENETIC FACTORS, EQUAL OPPORTUNITIES ARE AN UNLIKELY PREREQUISITE IN EVOLUTION. WITH REGARD TO FREE EDUCATION, EQUALITY CAN ONLY BE A STARTING POINT SINCE, DUE TO INDIVIDUAL DIFFERENCES, EGALITARIAN AIMS OF EDUCATION WITHIN A "GROUP UNIVERSITY" CAN NEVER OPEN UP EQUALLY GOOD CHANCES TO EVERYBODY. BECAUSE OF A MISUNDERSTANDING OF EQUALITY, THE STUDENT REVOLT IN 1968 BROUGHT FORTH AN EGALITARIAN REMODELING OF SCHOOL AND UNIVERSITY CAREERS ACCOMPANIED BY A LEVELING, AMONG OTHER THINGS A "UNIVERSITY OF EDUCATION FOR THE MASSES". INSTEAD OF "EDUCATIONAL KNOWLEDGE" BASED ON SCIENTIFIC NATURE, AN EDUCATION TOWARDS VOCATIONAL KNOWLEDGE AND REGULATION OF STUDIES TOOK PLACE. AT PRESENT, A SOCIALISTIC REVERSAL OF THE SCHOOL SYSTEM AIMED AT LEARNING TOGETHER IN ,COMMUNITY SCHOOLS" UNTIL THE 10TH GRADE IS IN PROGRESS. THE UNITY OF (PURE) RESEARCH AND TEACHING NO LONGER EXISTS. THE CHANGE IN THE SYSTEM SUPPORTED BY A WELFARE STATE WILL HAVE CONSEQUENCES IN WORLDWIDE COMPETITION. THE FINAL POINT OF THE CULTURAL REVOLUTION, FOLLOWING HISTORICAL EXAMPLES, COULD BE THE EMERGENCE OF A DEGENERATE FORM OF DEMOCRACY: OCHLOCRACY. 2012 16 6603 19 TWO SISTERS WITH FAMILIAL MEDITERRANEAN FEVER: LACK OF CORRELATION BETWEEN GENOTYPE AND PHENOTYPE? FAMILIAL MEDITERRANEAN FEVER (FMF) IS AN AUTOSOMAL RECESSIVE DISORDER CHARACTERIZED BY ATTACKS OF FEVER AND SEROSITIS. THE MOST IMPORTANT COMPLICATION OF FMF IS RENAL AMYLOIDOSIS, WHICH DETERMINES THE PROGNOSIS. THE GENE CODING THE DISEASE (MEFV) IS IDENTIFIED ON THE 16TH CHROMOSOME. THE MOST COMMON MEFV MUTATIONS ARE M694V, M680I, V726A AND M694I LOCATED ON EXON 10 AND E148Q LOCATED ON EXON 2. UNFORTUNATELY, GENOTYPE-PHENOTYPE CORRELATION IS NOT WELL ESTABLISHED AND THERE ARE UNEXPLAINED ETHNIC DIFFERENCES IN AMYLOIDOSIS RATES. WE REPORT TWO SISTERS WITH A COMMON GENOTYPE (M694V/M694V) PRESENTING WITH DIFFERENT PHENOTYPIC CHARACTERISTICS: ONE COMPLAINING OF INTERMITTENT ABDOMINAL PAIN, ARTHRITIS AND FEVER, WHILE THE OTHER WAS SUFFERING FROM INTERMITTENT PLEURITIS AND FEVER DURING ATTACKS. THE OBSERVATION OF DIFFERENT PHENOTYPIC PRESENTATIONS WITH A COMMON GENOTYPE IN TWO FAMILY MEMBERS SHOWS THAT DIFFERENT PHENOTYPES CANNOT BE EXPLAINED BY PARTICULAR MUTATIONS. TO UNDERSTAND THE CORRELATION BETWEEN GENOTYPIC AND PHENOTYPIC FMF VARIANTS THE EXISTENCE OF COMPLEX ALLELES, MODIFIER LOCI, GENETIC HETEROGENEITY AND POSSIBLE EPIGENETIC FACTORS SHOULD BE STUDIED EXTENSIVELY. 2006 17 5483 24 RETRACTION. RETRACTION: "AGING IS ASSOCIATED WITH ALTERED INFLAMMATORY, ARACHIDONIC ACID CASCADE, AND SYNAPTIC MARKERS, INFLUENCED BY EPIGENETIC MODIFICATIONS, IN THE HUMAN FRONTAL CORTEX" BY KELESHIAN VL, MODI HR, RAPOPORT SI, RAO JS. THE ABOVE ARTICLE FROM JOURNAL OF NEUROCHEMISTRY, PUBLISHED ONLINE ON 17 FEBRUARY 2013 IN WILEY ONLINE LIBRARY (WILEYONLINELIBRARY.COM) AND IN VOLUME 121, ISSUE 1, PP. 63-73, HAS BEEN RETRACTED BY AGREEMENT BETWEEN THE CORRESPONDING AUTHOR STANLEY RAPOPORT, THE JOURNAL'S EDITOR-IN-CHIEF, JORG SCHULZ, AND JOHN WILEY & SONS LTD. THE EDITORIAL OFFICE WAS CONTACTED BY THE AUTHOR STANLEY RAPOPORT WITH THE REQUEST TO RETRACT THIS AND A RELATED PUBLICATION (SEE BELOW), INFORMING THE EDITOR-IN-CHIEF THAT THE NATIONAL INSTITUTES OF HEALTH (NIH) HAD FOUND DR. JAGADEESH S. RAO GUILTY OF RESEARCH MISCONDUCT BY FALSIFYING DATA IN THE REFERENCED PAPER. THE EDITORIAL OFFICE WAS FORWARDED A LETTER, SIGNED BY INVESTIGATION COMMITTEE MEMBERS ON BEHALF OF NIH AND NIA, WHICH STATES: "[...] THE NATIONAL INSTITUTES OF HEALTH (NIH) INVESTIGATED ALLEGATIONS OF RESEARCH MISCONDUCT INVOLVING THE FALSIFICATION OF DATA IN "AGING IS ASSOCIATED WITH ALTERED INFLAMMATORY, ARACHIDONIC ACID CASCADE, AND SYNAPTIC MARKERS, INFLUENCED BY EPIGENETIC MODIFICATIONS, IN THE HUMAN FRONTAL CORTEX." KELESHIAN VL, MODI HR, RAPOPORT SI, RAO JS. JOURNAL OF NEUROCHEMISTRY 2013 APR; 125(1): 63-73. BASED ON THE UNANIMOUS DECISION OF A FIVE MEMBER COMMITTEE, COMPOSED OF NIH INVESTIGATORS, NIH FOUND THAT DR. JAGADEESH RAO, CORRESPONDING AUTHOR, KNOWINGLY AND INTENTIONALLY COMMITTED RESEARCH MISCONDUCT BY FALSIFYING DATA IN FIGURES 1A, 1G, 3G, AND 4D IN THE MANUSCRIPT(S) LISTED ABOVE. DR. RAO WAS SOLELY RESPONSIBLE FOR THE FALSIFICATION AND ALL OTHER AUTHORS WERE UNINVOLVED. THE REPORT WAS SUBMITTED TO THE HHS OFFICE OF RESEARCH INTEGRITY FOR ITS REVIEW. BECAUSE DR. RAO WAS THE CORRESPONDING AUTHOR, DR. STANLEY I. RAPOPORT, SENIOR ADVISOR FOR THE FORMER LABORATORY OF BRAIN PHYSIOLOGY AND METABOLISM SECTION, IS ACTING FOR DR. RAO, WHO WAS HIS REPRESENTATIVE, AND APPROVES THIS REQUEST TO RETRACT THIS PUBLICATION USING THE RECOMMENDED LANGUAGE, IN ITALICS ABOVE." A RELATED PAPER HAS ALSO BEEN RETRACTED: RAO JS, ERTLEY RN, RAPOPORT SI, BAZINET RP, LEE HJ. (2007) CHRONIC NMDA ADMINISTRATION TO RATS UP-REGULATES FRONTAL CORTEX CYTOSOLIC PHOSPHOLIPASE A(2) AND ITS TRANSCRIPTION FACTOR, ACTIVATOR PROTEIN-2. J. NEUROCHEM. 102: 1918-1927. REFERENCES KELESHIAN V. L., MODI H. R., RAPOPORT S. I. AND RAO J. S. (2013) AGING IS ASSOCIATED WITH ALTERED INFLAMMATORY, ARACHIDONIC ACID CASCADE, AND SYNAPTIC MARKERS, INFLUENCED BY EPIGENETIC MODIFICATIONS, IN THE HUMAN FRONTAL CORTEX. J. NEUROCHEM. 125, 63-73. RAO J. S., ERTLEY R. N., RAPOPORT S. I., BAZINET R. P. AND LEE H. J. (2007) CHRONIC NMDA ADMINISTRATION TO RATS UP-REGULATES FRONTAL CORTEX CYTOSOLIC PHOSPHOLIPASE A(2) AND ITS TRANSCRIPTION FACTOR, ACTIVATOR PROTEIN-2. J. NEUROCHEM. 102, 1918-1927. 2017 18 5353 28 RE-EVALUATION OF POLIHEXANIDE USE IN WOUND ANTISEPSIS IN ORDER TO CLARIFY AMBIGUITIES OF TWO ANIMAL STUDIES. OBJECTIVE: DUE TO CLASSIFICATION OF THE AGENT POLIHEXANIDE (PHMB) IN CATEGORY 2 'MAY CAUSE CANCER' BY THE COMMITTEE FOR RISK ASSESSMENT OF THE EUROPEAN CHEMICALS AGENCY IN 2011, THE USERS OF WOUND ANTISEPTICS MAY BE HIGHLY CONFUSED. IN 2017, THIS STATEMENT WAS UPDATED, DEFINING PHMB UP TO 0.1% AS A PRESERVATIVE SAFE IN ALL COSMETIC PRODUCTS. IN THE INTEREST OF PATIENT SAFETY, A SCIENTIFIC CLARIFICATION OF THE POTENTIAL CARCINOGENICITY OF PHMB IS NECESSARY. METHODS: A MULTIDISCIPLINARY TEAM (MDT) OF MICROBIOLOGISTS, SURGEONS, DERMATOLOGISTS AND BIOCHEMISTS CONDUCTED A BENEFIT-RISK ASSESSMENT TO CLARIFY THE HAZARD OF ANTISEPTIC USE OF PHMB. RESULTS: IN TWO ANIMAL STUDIES, FROM WHICH THE ASSESSMENT OF A CARCINOGENIC RISK WAS DERIVED, PHMB WAS ADMINISTERED ORALLY OVER TWO YEARS IN EXTREMELY HIGH CONCENTRATIONS FAR ABOVE THE NO(A)EL (NO-OBSERVED-(ADVERSE-) EFFECT LEVEL) IN RATS AND MICE. FEEDING IN THE NO(A)EL RANGE RESULTED IN NO ABNORMAL EFFECTS. IN ONE MALE IN THE HIGHEST DOSE GROUP OF 4000PPM PHMB, AN ADENOCARCINOMA WAS FOUND, WHICH THE AUTHOR ATTRIBUTED TO CHRONIC INFLAMMATION OF THE COLON WITH SYSTEMIC ATYPICAL EXPOSURE. THE INCREASING INCIDENCE OF HEMANGIOSARCOMAS HIGHLY PROBABLY RESULTED FROM INCREASED ENDOTHELIAL PROLIFERATION, TRIGGERED BY THE EXCEEDINGLY HIGH DOSAGE FED, BECAUSE PHMB IS NOT GENOTOXIC AND THERE IS NO EVIDENCE FOR EPIGENETIC EFFECTS. DISCUSSION: IT IS WELL KNOWN THAT PHMB IS NOT ABSORBED WHEN APPLIED TOPICALLY. CONSIDERING THE ABSENCE OF GENOTOXICITY AND EPIGENETIC EFFECTS TOGETHER WITH THE INTERPRETATION OF THE ANIMAL STUDIES, IT IS THE CONSENSUS OF THE MULTIDISCIPLINARY EXPERTS THAT A CARCINOGENIC RISK FROM PHMB-USE FOR WOUND ANTISEPSIS CAN BE RULED OUT. CONCLUSION: ON THIS BASIS AND CONSIDERING THEIR EFFECTIVENESS, TOLERABILITY AND CLINICAL EVIDENCE, THE INDICATIONS FOR PHMB BASED WOUND ANTISEPTICS ARE JUSTIFIED. 2019 19 5170 21 PREDATION RISK DETERMINES PIGMENTATION PHENOTYPE IN NUTHATCHES BY MELANIN-RELATED GENE EXPRESSION EFFECTS. PIGMENTS DETERMINE THE APPEARANCE OF ORGANISMS. HOWEVER, PIGMENT PRODUCTION CAN BE ASSOCIATED WITH PHYSIOLOGICAL CONSTRAINTS AS IN THE CASE OF PHEOMELANIN, THE SULPHURATED FORM OF MELANIN WHOSE SYNTHESIS IN MELANOCYTES CONSUMES CYSTEINE AND CONSEQUENTLY REDUCES THE AVAILABILITY OF GLUTATHIONE (GSH) TO EXERT ANTIOXIDANT PROTECTION. PHEOMELANOGENESIS MAY THUS INCREASE THE SUSCEPTIBILITY TO SUFFER CHRONIC OXIDATIVE STRESS. I INVESTIGATED THE POSSIBILITY THAT ENVIRONMENTAL LABILITY IN THE EXPRESSION OF GENES REGULATING PHEOMELANOGENESIS PROTECTS FROM OXIDATIVE STRESS, A SITUATION IN WHICH GSH IS MOST REQUIRED. BY BROADCASTING ADULT ALARM CALLS, I MANIPULATED THE PERCEPTION OF PREDATION RISK, A NATURAL SOURCE OF OXIDATIVE STRESS, IN FREE-LIVING EURASIAN NUTHATCH SITTA EUROPAEA NESTLINGS DEVELOPING PHEOMELANIN-PIGMENTED FLANK FEATHERS. THE MANIPULATION AFFECTED THE CONSUMPTION OF GSH THAT RESULTED FROM THE EXPRESSION OF TWO GENES (SLC7A11 AND SLC45A2) INFLUENCING CYSTEINE/GSH AVAILABILITY IN CELLS, AS THESE GENES WERE DOWN-REGULATED IN THE FEATHER MELANOCYTES OF THE NESTLINGS WITH LOWEST INTRACELLULAR ANTIOXIDANT CAPACITY (I.E. LOWEST GSH LEVELS). SYSTEMIC OXIDATIVE DAMAGE INCREASED WITH SLC7A11 EXPRESSION IN FEATHER MELANOCYTES, SUGGESTING THAT THE OBSERVED DOWN-REGULATION WAS PHYSIOLOGICALLY ADVANTAGEOUS. THE NESTLINGS EXPOSED TO AN INCREASED PERCEPTION OF PREDATION RISK DEVELOPED FLANK FEATHERS OF REDUCED COLOUR INTENSITY. THESE RESULTS INDICATE THAT PERCEIVED PREDATION RISK CAN DETERMINE THE PIGMENTATION PHENOTYPE BY (PROBABLY EPIGENETIC) EFFECTS ON GENE EXPRESSION THAT PROTECT FROM PHYSIOLOGICAL CONSTRAINTS IMPOSED BY PHEOMELANIN PRODUCTION. 2018 20 5154 23 PRAKRITI-BASED MEDICINE: A STEP TOWARDS PERSONALIZED MEDICINE. THE CONCEPT OF PERSONALIZED MEDICINE HAS BEEN AROUND FOR AS LONG AS PEOPLE HAVE BEEN PRACTICING MEDICINE. FROM CHARAKA TO HIPPOCRATES, ALL HAVE PRACTICED THE PERSONALIZED APPROACH FOR TREATING A DISEASE. IN THE 21(ST) CENTURY, PERSONALIZED MEDICINE IS ALL ABOUT DNA. WHEREAS THE SINGLE NUCLEOTIDE POLYMORPHISM (SNP) AND EPIGENETIC FACTORS INFLUENCE DRUG RESPONSE AND FORM THE BASIS OF PERSONALIZED MEDICINE, THE TRIDOSHA THEORY FORMS THE BASIS OF PRAKRITI-BASED MEDICINE. IT IS WELL ESTABLISHED BY NOW THAT WESTERN ALLOPATHIC MEDICINE IS EXCELLENT IN HANDLING ACUTE MEDICAL CRISES, WHEREAS AYURVEDA HAS SUCCESSFULLY DEMONSTRATED AN ABILITY TO MANAGE CHRONIC DISORDERS THAT WESTERN MEDICINE HAS BEEN UNABLE TO CURE. WITH EFFECTIVE INTEGRATION OF 'OMICS' PRAKRITI-BASED MEDICINE CAN PLAY A VITAL ROLE IN THIS CHANGING SCENARIO OF GLOBAL HEALTH WISDOM AS AYURVEDA OFFERS ITS MODALITIES BY WAY OF AHARA (DIET), VIHARA (LIFESTYLE), AND AUSHADHI (MEDICATION), WHICH ARE THE THREE PILLARS OF PRAKRITI-BASED MEDICINE MAKING IT A HOLISTIC SCIENCE. PRAKRITI-BASED MEDICINE AND OTHER TRADITIONAL MEDICINE SYSTEMS HAVE THE POTENTIAL TO OFFER REMEDIES TO THE CHALLENGING HEALTH ISSUES LIKE ADVERSE DRUG REACTIONS, DRUG WITHDRAWALS, AND ECONOMIC DISPARITIES AMONG FEW. AN INTEGRATIVE GLOBAL APPROACH COULD DO WONDERS TO HEALTH SCIENCES BENEFITING A BROAD SPECTRUM OF PATIENTS. 2011