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https://www.readbyqxmd.com/read/28438343/developmental-and-transmittable-origins-of-obesity-associated-health-disorders
#1
REVIEW
Arin K Oestreich, Kelle H Moley
The current global obesity pandemic is clearly linked to both the increasing prevalence of, and preference for, foods high in calories, specifically fat and sucrose, and declining levels of daily physical activity. A less commonly discussed possible explanation is that risk of obesity begins in utero as a result of developmental plasticity during early life. This idea fits into the broader Developmental Origins of Health and Diseases (DOHAD) hypothesis, which holds that stressful in utero exposure manifests as disease in adulthood...
April 21, 2017: Trends in Genetics: TIG
https://www.readbyqxmd.com/read/28433926/discredited-legacy-stigma-and-familial-amyloid-polyneuropathy-in-northwestern-portugal
#2
Álvaro Mendes, Liliana Sousa, Jorge Sequeiros, Angus Clarke
RATIONALE: Genetic inherited conditions may result in feelings of stigmatisation, mainly because of visible physical appearance and its transmissibility to offspring. OBJECTIVE: This article reports accounts of stigmatisation from Portuguese patients affected by the inherited neurodegenerative disease, familial amyloid polyneuropathy (FAP), living in the largest cluster of patients worldwide. METHOD: We draw on semi-structured interviews conducted with individuals at-risk or affected by FAP, recruited through the national patients' association, about their experiences of stigmatisation related to the illness...
April 15, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28431793/alcohol-effects-on-the-epigenome-in-the-germline-role-in-the-inheritance-of-alcohol-related-pathology
#3
REVIEW
Lucy G Chastain, Dipak K Sarkar
Excessive alcohol exposure has severe health consequences, and clinical and animal studies have demonstrated that disruptions in the epigenome of somatic cells, such as those in brain, are an important factor in the development of alcohol-related pathologies, such as alcohol-use disorders (AUDs) and fetal alcohol spectrum disorders (FASDs). It is also well known that alcohol-related health problems are passed down across generations in human populations, but the complete mechanisms for this phenomenon are currently unknown...
March 6, 2017: Alcohol
https://www.readbyqxmd.com/read/28414582/educating-the-next-generation-of-family-caregivers-through-the-use-of-dynamic-case-studies
#4
Carol L Jenkins, Abby J Schwartz
Between 2008 and 2016, students in an Introduction to Gerontology course were required to complete a dynamic case study project simulating caregiving arrangement decision-making. Students were divided into groups representing typical multigenerational families, and were required to determine how to develop caregiving arrangements to respond to an older family member's changing levels of need. The assignment concluded with students writing a final paper summarizing what they learned. This study examined the themes emerging from student group case study papers to gain an understanding of the challenges students face in understanding the dynamics of making family-based caregiving decisions...
April 17, 2017: Gerontology & Geriatrics Education
https://www.readbyqxmd.com/read/28414453/global-proteome-profiling-of-a-marine-copepod-and-the-mitigating-effect-of-ocean-acidification-on-mercury-toxicity-after-multigenerational-exposure
#5
Minghua Wang, Jae-Seong Lee, Yan Li
Previously, we found that ocean acidification (OA) mitigates mercury (Hg) toxicity to marine copepod Tigriopus japonicus under multigenerational exposure (four generations, F0-F3). To determine the response mechanisms of T. japonicus against long-term exposure to OA and Hg pollution, we investigated the proteome of F3 copepods after multigenerational exposure to four conditions: pCO2 400 μatm + control; pCO2 1000 μatm + control; pCO2 400 μatm + 1.0 µg/L Hg; and pCO2 1000 μatm + 1.0 µg/L Hg. Functional enrichment analysis indicated that OA enhanced the copepod's energy production mainly by increasing protein assimilation and proteolysis as a compensatory strategy, which explained its physiological resilience to reduced pH...
April 17, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28402417/grandmaternal-smoke-exposure-reduces-female-fertility-in-a-murine-model-with-great-grandmaternal-smoke-exposure-unlikely-to-have-an-effect
#6
N J Camlin, A G Jarnicki, R L Vanders, K A Walters, P M Hansbro, E A McLaughlin, J E Holt
STUDY QUESTION: What effect does multigenerational (F2) and transgenerational (F3) cigarette smoke exposure have on female fertility in mice? SUMMARY ANSWER: Cigarette smoking has a multigenerational effect on female fertility. WHAT IS KNOWN ALREADY: It has been well established that cigarette smoking decreases female fertility. Furthermore, a growing body of evidence suggests that smoking during pregnancy decreases the fertility of daughters and increases cancer and asthma incidence in grandchildren and great-grandchildren...
April 10, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28402199/from-menarche-to-menopause-understanding-multigenerational-reproductive-health-milestones
#7
Kimberly Field-Springer, Deleasa Randall-Griffiths, Carol Reece
Our study aims at understanding multigenerational communication among grandmothers, mothers, and daughters experiencing reproductive health transitions from menarche to menopause. Thirty women, 10 triads of grandmothers, mothers, and daughters, participated in narrative interviews to recount their menarche and menopause experiences. Analysis was read using a multilayered approach to interpret discourse positioned from self, reflexive others, and those stories informed by societal meanings. Four dialectical themes informed by generational discursive shifts in talk included (1) covert versus overt talk, (2) recollection of versus indifference to menarche, (3) bound to versus freedom from menstruation, and (4) controlling versus managing bodily changes...
April 12, 2017: Health Communication
https://www.readbyqxmd.com/read/28402008/genome-wide-association-studies-reveal-additional-related-loci-for-fatty-acid-composition-in-a-duroc-pig-multigenerational-population
#8
Shuji Sato, Yoshinobu Uemoto, Takashi Kikuchi, Sachiko Egawa, Kimiko Kohira, Tomomi Saito, Hironori Sakuma, Satoshi Miyashita, Shinji Arata, Keiichi Suzuki
The aim of the present study was to detect quantitative trait loci affecting fatty acid composition in back fat and intramuscular fat in a Duroc pig population comprising seventh-generation pedigrees using genome-wide association studies (GWAS). In total, 305 animals were genotyped using single nucleotide polymorphisms (SNPs) array and five selected SNPs from regions containing known candidate genes related to fatty acid synthesis or metabolism. In total, 24 genome-wide significant SNP regions were detected in 12 traits, and 76 genome-wide suggestive SNP regions were detected in 33 traits...
April 12, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28388477/parental-diuron-exposure-alters-offspring-transcriptome-and-fitness-in-pacific-oyster-crassostrea-gigas
#9
Evelyne Bachère, Audrey Barranger, Roman Bruno, Julien Rouxel, Dominique Menard, David Piquemal, Farida Akcha
One of the primary challenges in ecotoxicology is to contribute to the assessment of the ecological status of ecosystems. In this study, we used Pacific oyster Crassostrea gigas to explore the effects of a parental exposure to diuron, a herbicide frequently detected in marine coastal environments. The present toxicogenomic study provides evidence that exposure of oyster genitors to diuron during gametogenesis results in changes in offspring, namely, transcriptomic profile alterations, increased global DNA methylation levels and reduced growth and survival within the first year of life...
April 4, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28382462/adolescent-agentic-orientations-contemporaneous-family-influence-parental-biography-and-intergenerational-development
#10
Monica Kirkpatrick Johnson, Steven Hitlin
Agentic orientations developed in adolescence have been linked to better health, well-being, and achievements in the years following. This study examines longitudinal parental influences on the development of adolescent children's agentic orientations, captured by the core constructs of mastery beliefs and generalized life expectations. Drawing on multigenerational panel data from the United States (1991-2011), the study examines contemporaneous family factors, but also how parental biographies (their own transition to adulthood) and parents' own adolescent agentic orientations influence their adolescent children...
April 5, 2017: Journal of Youth and Adolescence
https://www.readbyqxmd.com/read/28368545/exposure-to-an-environmentally-relevant-phthalate-mixture-causes-transgenerational-effects-on-female-reproduction-in-mice
#11
Changqing Zhou, Liying Gao, Jodi A Flaws
Phthalates are used in consumer products and are known endocrine disrupting chemicals. However, limited information is available on the effects of phthalate mixture on female reproduction. Previously, we developed a phthalate mixture made of 35% diethyl phthalate, 21% di(2-ethylhexyl) phthalate, 15% dibutyl phthalate, 15% diisononyl phthalate, 8% diisobutyl phthalate, and 5% benzylbutyl phthalate that mimics human exposure. We tested the effects of prenatal exposure to this mixture on reproductive outcomes in F1 female mice and found that it impaired reproductive outcomes...
March 22, 2017: Endocrinology
https://www.readbyqxmd.com/read/28368204/profiling-families-in-conflict-multigenerational-continuity-in-conflict-predicts-deleterious-adolescent-and-adult-outcomes
#12
W Andrew Rothenberg, Jessica M Solis, Andrea M Hussong, Laurie Chassin
The present study investigated the associations between multigenerational continuity in family conflict and current psychopathology symptoms and social impairment experienced by parents and adolescents. We sampled 246 families from a multigenerational, high-risk, longitudinal study of parents (G1s) and their children (G2s), followed from adolescence (Mage = 14.3 years, 57% female, 71% Caucasian, 26% Hispanic or Latino) to adulthood as well as the children of G2 targets (G3s; Mage = 12.1 years, 47% female, 51% Caucasian, 33% Hispanic or Latino)...
April 3, 2017: Journal of Family Psychology: JFP
https://www.readbyqxmd.com/read/28361098/building-a-family-network-from-genetic-testing
#13
Kathleen A Leppig, Heidi A Thiese, David Carrel, David R Crosslin, Michael O Dorschner, Adam S Gordon, Andrea Hartzler, James Ralston, Aaron Scrol, Eric B Larson, Gail P Jarvik
BACKGROUND: Genetic testing has multigenerational and familial repercussions. However, the "trickle-down effect" of providing genetic counseling and testing to family members at risk after an initial identification of a pathogenic variant in a medically actionable gene has been poorly understood. METHODS: Three probands were identified during the pharmacogenetics research phase of eMERGEII (electronic MEdical Record and Genomics, phase II) to have variants in genes associated with autosomal dominant adult-onset disorders determined to be actionable by the American College of Medical Genetics (ACMG)...
March 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28358949/myopia-and-late-onset-progressive-cone-dystrophy-associate-to-lvava-mvava-exon-3-interchange-haplotypes-of-opsin-genes-on-chromosome-x
#14
Orsolya Orosz, István Rajta, Attila Vajas, Lili Takács, Adrienne Csutak, Mariann Fodor, Bence Kolozsvári, Miklós Resch, Katalin Sényi, Balázs Lesch, Viktória Szabó, András Berta, István Balogh, Gergely Losonczy
Purpose: Rare interchange haplotypes in exon 3 of the OPN1LW and OPN1MW opsin genes cause X-linked myopia, color vision defect, and cone dysfunction. The severity of the disease varies on a broad scale from nonsyndromic high myopia to blue cone monochromatism. Here, we describe a new genotype-phenotype correlation attributed to rare exon 3 interchange haplotypes simultaneously present in the long- and middle-wavelength sensitive opsin genes (L- and M-opsin genes). Methods: A multigenerational family with X-linked high myopia and cone dystrophy was investigated...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28355530/effects-of-benzo-a-pyrene-dietary-intake-to-antioxidative-enzymes-of-lymantria-dispar-lepidoptera-lymantriidae-larvae-from-unpolluted-and-polluted-forests
#15
Anja Gavrilović, Larisa Ilijin, Marija Mrdaković, Milena Vlahović, Aleksandra Mrkonja, Dragana Matić, Vesna Perić-Mataruga
Anthropogenic activity in industrial development has imposed great threats to the environment and wildlife in the form of persistent organic pollutants. Polycyclic aromatic hydrocarbons (PAH) tend to accumulate in vegetation foliage which is the main food source of polyphagous insect species Lymantria dispar L. Origin and multigenerational adaptation of L. dispar population to environmental challenges strongly condition the enzymes' sensitivity to pollutants. In this study, our aim was to investigate response of the superoxide dismutase (SOD), catalase (CAT) and glutathione S-transferase (GST) to the chronic dietary exposure of benzo[a]pyrene in the midgut tissues and hemolymph of two L...
July 2017: Chemosphere
https://www.readbyqxmd.com/read/28336926/alleviation-of-mercury-toxicity-to-a-marine-copepod-under-multigenerational-exposure-by-ocean-acidification
#16
Yan Li, Wen-Xiong Wang, Minghua Wang
Ocean acidification (OA) may potentially modify the responses of aquatic organisms to other environmental stressors including metals. In this study, we investigated the effects of near-future OA (pCO2 1000 μatm) and mercury (Hg) on the development and reproduction of marine copepod Tigriopus japonicus under multigenerational life-cycle exposure. Metal accumulation as well as seven life history traits (survival rate, sex ratio, developmental time from nauplius to copepodite, developmental time from nauplius to adult, number of clutches, number of nauplii/clutch and fecundity) was quantified for each generation...
March 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28336096/multigenerational-effects-of-two-glucocorticoids-prednisolone-and-dexamethasone-on-life-history-parameters-of-crustacean-ceriodaphnia-dubia-cladocera
#17
Navdeep Bal, Anupama Kumar, Jun Du, Dayanthi Nugegoda
Synthetic glucocorticoids (GCs) such as dexamethasone (DEX) and prednisolone (PDS) have been used since the 1940s to cure inflammatory and auto-immune disorders. Their use has been linked to a host of deleterious effects in aquatic ecosystems such as osteoporosis in vertebrates, developmental impairments in molluscs and reduced fecundity and growth in cladocerans. Apart from these handful of studies, the effects of GCs on aquatic biota are largely unknown. The present study is a first of its kind aiming to assess the multi-generational exposure effects of DEX and PDS on the life history parameters of Ceriodaphnia dubia (C...
March 20, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28324015/paternally-inherited-dlk1-deletion-associated-with-familial-central-precocious-puberty
#18
Andrew Dauber, Marina Cunha-Silva, Delanie B Macedo, Vinicius N Brito, Ana Paula Abreu, Stephanie A Roberts, Luciana R Montenegro, Melissa Andrew, Andrew Kirby, Matthew T Weirauch, Guillaume Labilloy, Danielle S Bessa, Rona S Carroll, Dakota C Jacobs, Patrick E Chappell, Berenice B Mendonca, David Haig, Ursula B Kaiser, Ana Claudia Latronico
Context: Central precocious puberty (CPP) results from premature activation of the hypothalamic-pituitary-gonadal axis. Few genetic causes of CPP have been identified with the most common being mutations in the paternally expressed imprinted gene MKRN3. Objective: To identify the genetic etiology of CPP in a large multigenerational family. Design: Linkage analysis followed by whole genome sequencing was performed in a family with 5 female members with nonsyndromic CPP...
January 27, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28322501/multigenerational-pedigree-with-star-syndrome-a-novel-fam58a-variant-and-expansion-of-the-phenotype
#19
Nicole J Boczek, Teresa Kruisselbrink, Margot A Cousin, Patrick R Blackburn, Eric W Klee, Ralitza H Gavrilova, Brendan C Lanpher
STAR syndrome is a rare X-linked dominant disorder characterized by toe Syndactyly, Telecanthus, Anogenital malformations, and Renal malformations, and is caused by loss-of-function variants in FAM58A. Our proband presented with the hallmark features of STAR syndrome, as well as some additional less typical features including tethered cord and hearing loss. The proband's mother and maternal half-sister had similar clinical histories, but had variability in phenotypic severity. Clinical whole exome sequencing revealed a novel pathogenic nonsense variant, c...
March 21, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28297147/compound-heterozygosity-of-dominant-and-recessive-col7a-alleles-in-a-severely-affected-patient-with-a-family-history-of-dystrophic-epidermolysis-bullosa-clinical-findings-genetic-testing-and-treatment-implications
#20
Kendra D Watson, Jennifer J Schoch, Geoffrey J Beek, Jennifer L Hand
An 8-year-old girl born to a family with more than three generations of dominant dystrophic epidermolysis bullosa (DDEB) presented with life-threatening confluent skin erosions, mitten hand deformity, and failure to thrive. Reassessment of her family history and genetic testing showed compound heterozygous COL7A mutations, one inherited from her DDEB-affected mother and one from her unaffected, healthy father. This family illustrates the risk of unexpected, severe, autosomal recessive epidermolysis bullosa (EB) in a family with milder, multigenerational autosomal dominant EB...
March 2017: Pediatric Dermatology
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