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https://www.readbyqxmd.com/read/28193157/whole-genome-association-analysis-of-pork-meat-ph-revealed-three-significant-regions-and-several-potential-genes-in-finnish-yorkshire-pigs
#1
Lucas L Verardo, Marja-Liisa Sevón-Aimonen, Timo Serenius, Ville Hietakangas, Pekka Uimari
BACKGROUND: One of the most commonly used quality measurements of pork is pH measured 24 h after slaughter. The most probable mode of inheritance for this trait is oligogenic with several known major genes, such as PRKAG3. In this study, we used whole-genome SNP genotypes of over 700 AI boars; after a quality check, 42,385 SNPs remained for association analysis. All the boars were purebred Finnish Yorkshire. To account for relatedness of the animals, a pedigree-based relationship matrix was used in a mixed linear model to test the effect of SNPs on pH measured from loin...
February 13, 2017: BMC Genetics
https://www.readbyqxmd.com/read/28182703/nephropathy-in-pparg-null-mice-highlights-ppar%C3%AE-systemic-activities-in-metabolism-and-in-the-immune-system
#2
Barbara Toffoli, Federica Gilardi, Carine Winkler, Magnus Soderberg, Laura Kowalczuk, Yvan Arsenijevic, Krister Bamberg, Olivier Bonny, Béatrice Desvergne
Peroxisome proliferator-activated receptor γ (PPARγ) is a ligand-dependent transcription factor involved in many aspects of metabolism, immune response, and development. Total-body deletion of the two Pparg alleles provoked generalized lipoatrophy along with severe type 2 diabetes. Herein, we explore the appearance and development of structural and functional alterations of the kidney, comparing Pparg null-mice to their littermate controls (carrying Pparg floxed alleles). We show that renal hypertrophy and functional alterations with increased glucosuria and albuminuria are already present in 3 weeks-old Pparg null-mice...
2017: PloS One
https://www.readbyqxmd.com/read/28163246/triphenyl-phosphate-enhances-adipogenic-differentiation-glucose-uptake-and-lipolysis-via-endocrine-and-noradrenergic-mechanisms
#3
German Cano-Sancho, Anna Smith, Michele A La Merrill
The use of triphenyl phosphate (TPhP) as a flame retardant or plasticizer has increased during the last decade, resulting in widespread human exposure without commensurate toxicity assessment. The main objectives of this study were to assess the in vitro effect of TPhP and its metabolite diphenyl phosphate (DPhP) on the adipogenic differentiation of 3T3-L1 cells, as well as glucose uptake and lipolysis in differentiated 3T3-L1 adipocytes. TPhP increased pre-adipocyte proliferation and subsequent adipogenic differentiation of 3T3-L1 cells, coinciding with increased transcription in the CEBP and PPARG pathway...
February 3, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28139539/association-of-type-2-diabetes-mellitus-genes-in-polycystic-ovary-syndrome-aetiology-among-women-from-southern-india
#4
Battini Mohan Reddy, Uma Jyothi Kommoju, Shilpi Dasgupta, Pranavchand Rayabarapu
BACKGROUND & OBJECTIVES: Polycystic ovary syndrome (PCOS) is the most common reproductive endocrine disorder of premenopausal women. Given the phenotypic overlap between PCOS and type 2 diabetes mellitus (T2DM), this study was carried out to investigate whether genes implicated in T2DM were also involved in the susceptibility to PCOS among women from southern India. METHODS: A total of 248 women with PCOS and 210 healthy women as controls were genotyped for a panel of 15 single nucleotide polymorphisms (SNPs) from the nine T2DM genes, such as TCF7L2, IGF2BP2, SLC30A8, HHEX, CDKAL1, CDKN2A, IRS1, CAPN10 and PPARG, on Sequenom MassARRAY platform...
September 2016: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28131740/adipose-tissue-is-influenced-by-hypoxia-of-obstructive-sleep-apnea-syndrome-independent-of-obesity
#5
C E Thorn, B Knight, E Pastel, L J McCulloch, B Patel, A C Shore, K Kos
AIMS: Obstructive sleep apnea syndrome (OSAS) is associated with increased cardiovascular risk and diabetes independent of obesity. We investigated whether adipose tissue dysfunction is exacerbated due to increased tissue hypoxia. METHODS: Adipose tissue (AT) oxygenation was measured with a Clarke-type electrode (pATO2) in 16 men with OSAS before and after 4 months of continuous positive airway pressure therapy (CPAP) and in BMI-matched controls. Oxygenation was simultaneously monitored in arterial blood by pulse oximetry (SaO2); mixed blood in AT microcirculation by reflectance spectroscopy (SATO2) along with blood flow...
January 25, 2017: Diabetes & Metabolism
https://www.readbyqxmd.com/read/28130552/melatonin-micronutrients-osteopenia-treatment-study-mots-a-translational-study-assessing-melatonin-strontium-citrate-vitamin-d3-and-vitamin-k2-mk7-on-bone-density-bone-marker-turnover-and-health-related-quality-of-life-in-postmenopausal-osteopenic-women-following
#6
Sifat Maria, Mark H Swanson, Larry T Enderby, Frank D'Amico, Brianna Enderby, Rebekah M Samsonraj, Amel Dudakovic, Andre J van Wijnen, Paula A Witt-Enderby
This one-year double blind randomized control trial assessed the effects of nightly melatonin, strontium (citrate), vitamin D3 and vitamin K2 (MK7; MSDK) on bone mineral density (BMD) and quality of life (QOL) in postmenopausal osteopenic women (ages 49-75). Compared to placebo, MSDK treatment increased BMD in lumbar spine (4.3%) and left femoral neck (2.2%), with an upward trend for total left hip (p=0.069). MSDK increased serum P1NP levels and reduced bone turnover (CTx:P1NP). Psychometric analyses indicated that mood and sleep quality improved for the MSDK group...
January 26, 2017: Aging
https://www.readbyqxmd.com/read/28123940/genome-wide-dna-promoter-methylation-and-transcriptome-analysis-in-human-adipose-tissue-unravels-novel-candidate-genes-for-obesity
#7
Maria Keller, Lydia Hopp, Xuanshi Liu, Tobias Wohland, Kerstin Rohde, Raffaella Cancello, Matthias Klös, Karl Bacos, Matthias Kern, Fabian Eichelmann, Arne Dietrich, Michael R Schön, Daniel Gärtner, Tobias Lohmann, Miriam Dreßler, Michael Stumvoll, Peter Kovacs, Anna-Maria DiBlasio, Charlotte Ling, Hans Binder, Matthias Blüher, Yvonne Böttcher
OBJECTIVE/METHODS: DNA methylation plays an important role in obesity and related metabolic complications. We examined genome-wide DNA promoter methylation along with mRNA profiles in paired samples of human subcutaneous adipose tissue (SAT) and omental visceral adipose tissue (OVAT) from non-obese vs. obese individuals. RESULTS: We identified negatively correlated methylation and expression of several obesity-associated genes in our discovery dataset and in silico replicated ETV6 in two independent cohorts...
January 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28123453/interaction-between-peroxisome-proliferator-activated-receptor-gamma-polymorphism-and-obesity-on-type-2-diabetes-in-a-chinese-han-population
#8
Xiaohui Lv, Li Zhang, Jiayu Sun, Zhigang Cai, Qing Gu, Ruipeng Zhang, Aiyun Shan
AIMS: The aim of this study was to investigate the association of four single nucleotide polymorphisms (SNPs) of peroxisome proliferator-activated receptor gamma (PPARG) with type 2 diabetes mellitus (T2DM) risk and additional role of gene-obesity interaction. METHODS: Four SNPs were selected for genotyping in the case-control study: rs1805192, rs709158, rs3856806 and rs4684847. Generalized multifactor dimensionality reduction (GMDR) model and logistic regression was used to examine the interaction between SNP and obesity on T2DM, odds ratio (OR) and 95% confident interval (95% CI) were calculated...
2017: Diabetology & Metabolic Syndrome
https://www.readbyqxmd.com/read/28122331/integrative-mirna-and-mrna-analysis-in-penile-carcinomas-reveals-markers-and-pathways-with-potential-clinical-impact
#9
Hellen Kuasne, Mateus C Barros-Filho, Ariane Busso-Lopes, Fábio A Marchi, Maisa Pinheiro, Juan J M Muñoz, Cristovam Scapulatempo-Neto, Eliney F Faria, Gustavo C Guimarães, Ademar Lopes, José C S Trindade-Filho, Maria Aparecida C Domingues, Sandra A Drigo, Silvia R Rogatto
Penile carcinoma (PeCa) is an important public health issue in poor and developing countries, and has only recently been explored in terms of genetic and epigenetic studies. Integrative data analysis is a powerful method for the identification of molecular drivers involved in cancer development and progression. miRNA and mRNA expression profiles followed by integrative analysis were investigated in 23 PeCa and 12 non-neoplastic penile tissues (NPT). Expression levels of eight miRNAs and 10 mRNAs were evaluated in the same set of samples used for microarray and in a validation set of cases (PeCa = 36; NPT = 27)...
January 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28100650/transforming-growth-factor-%C3%AE-suppresses-peroxisome-proliferator-activated-receptor-%C3%AE-expression-via-both-smad-binding-and-novel-tgf-%C3%AE-inhibitory-elements
#10
Sowmya P Lakshmi, Aravind T Reddy, Raju C Reddy
Transforming growth factor β (TGF-β) contributes to wound healing and, when dysregulated, to pathological fibrosis. TGF-β and the anti-fibrotic nuclear hormone receptor peroxisome proliferator-activated receptor γ (PPARγ) repress each other's expression, and such PPARγ downregulation is prominent in fibrosis and mediated, via previously unknown mechanisms, by SMAD signaling. Here we show that TGF-β induces association of SMAD3 with both SMAD4, needed for translocation of the complex into the nucleus, and the essential context-sensitive corepressors E2F4 and p107...
January 18, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28090739/obesity-related-genetic-polymorphisms-and-adiposity-indices-in-a-young-italian-population
#11
Laura Bordoni, Francesca Marchegiani, Marco Piangerelli, Valerio Napolioni, Rosita Gabbianelli
Pediatric obesity develops when a complex biological predisposition collides with an obesogenic environment. To further elucidate the role of genetics in obesity onset, we performed a candidate-gene association study in a young and sportive Italian population by testing the association of functional polymorphisms in ACE (rs4646994), FTO (rs9939609), MC4R (rs17782313) and PPARG (rs1801282) genes with body mass index (BMI) and waist-to-height ratio (WHtR). We also tested the combinations of identified risk genotypes and epistatic interactions among them to determine the existence of cumulative effects in predicting the predisposition to gain weight...
February 2017: IUBMB Life
https://www.readbyqxmd.com/read/28088409/genome-wide-association-analysis-and-pathways-enrichment-for-lactation-persistency-in-canadian-holstein-cattle
#12
D N Do, N Bissonnette, P Lacasse, F Miglior, M Sargolzaei, X Zhao, E M Ibeagha-Awemu
Lactation persistency (LP), defined as the rate of declining milk yield after milk peak, is an economically important trait for dairy cattle. Improving LP is considered a good alternative method for increasing overall milk production because it does not cause the negative energy balance and other health issues that cows experience during peak milk production. However, little is known about the biology of LP. A genome-wide association study (GWAS) and pathway enrichment were used to explore the genetic mechanisms underlying LP...
January 11, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28071986/evaluation-of-a-two-year-routine-application-of-molecular-testing-of-thyroid-fine-needle-aspirations-using-a-seven-gene-panel-in-a-primary-referral-setting-in-germany
#13
Markus Eszlinger, Katharina Böhme, Maha Ullmann, Fabian Görke, Udo Siebolts, Anna Neumann, Christiane Franzius, Sabine Adam, Thomas Molwitz, Christian Landvogt, Bassam Amro, Anja Hach, Berit Feldmann, Dieter Graf, Antje Wefer, Rainer Niemann, Catharina Bullmann, Günther Klaushenke, Reinhard Santen, Gregor Tönshoff, Velimir Ivancevic, Andreas Kögler, Erhard Bell, Bernd Lorenz, Gerald Kluge, Christoph Hartenstein, Ilka Ruschenburg, Ralf Paschke
BACKGROUND: Major differences with respect to the diagnostic performance of a "ruling in" approach in the presurgical diagnosis of indeterminate thyroid fine-needle aspirations (FNAs) have been reported. Therefore, the aim of this prospective multicenter study was to investigate the specific diagnostic impact of mutation testing using a seven-gene panel in a routine primary referral setting analyzing FNAs from endocrinology and nuclear medicine practices in Germany. METHODS: RNA and DNA was extracted from 564 routine air-dried FNA smears obtained from 64 physicians and cytologically graded by one experienced cytopathologist...
February 7, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28051997/genetic-variation-in-ppargc1a-may-affect-the-role-of-diet-associated-inflammation-in-colorectal-carcinogenesis
#14
Young Ae Cho, Jeonghee Lee, Jae Hwan Oh, Hee Jin Chang, Dae Kyung Sohn, Aesun Shin, Jeongseon Kim
The role of inflammation in colorectal carcinogenesis may differ according to individuals' genetic variations. Therefore, we investigated whether genetic susceptibility alters the association between inflammatory potential of diet and the risk of colorectal cancer within the Korean population. We genotyped four polymorphisms in four genes (IL1B, TNF, PPARG, and PPARGC1A) and calculated the dietary inflammatory index (DII) in a case-control study with 701 colorectal cancer patients and 1,402 controls. Among the investigated polymorphisms, heterozygous carriers of rs3774921 in PPARGC1A showed a higher risk of colorectal cancer (OR [95% CI] = 1...
January 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28013303/the-impact-of-peroxisome-proliferator-activated-receptor-gamma-and-its-interaction-with-abdominal-obesity-on-diabetic-nephropathy-in-chinese-han
#15
Meihong Zhang, Hongying Yuan, Changsheng Li, Chunling Li
BACKGROUND: Several studies have focused on the association between peroxisome proliferators-activated receptor gamma (PPARG) polymorphism and diabetic nephropathy (DN); however, the results of these studies were inconsistent, and until now, no population-based study has focused on the impact of PPARG gene-abdominal obesity interaction on DN risk. The aim of this study was to investigate the impact of PPARG polymorphisms and its interaction with abdominal obesity on DN risk in the Chinese Han population...
December 24, 2016: Nephron
https://www.readbyqxmd.com/read/28008156/genomic-binding-of-pax8-pparg-fusion-protein-regulates-cancer-related-pathways-and-alters-the-immune-landscape-of-thyroid-cancer
#16
Yanxiao Zhang, Jingcheng Yu, Vladimir Grachtchouk, Tingting Qin, Carey N Lumeng, Maureen A Sartor, Ronald J Koenig
PAX8-PPARG fusion protein (PPFP) results from a t(2;3)(q13;p25) chromosomal translocation, is found in 30% of follicular thyroid carcinomas, and demonstrates oncogenic capacity in transgenic mice. A PPARG ligand, pioglitazone, is highly therapeutic in mice with PPFP thyroid cancer. However, only limited data exist to characterize the binding sites and oncogenic function of PPFP, or to explain the observed therapeutic effect of pioglitazone. Here we used our previously characterized transgenic mouse model of PPFP follicular thyroid carcinoma to identify PPFP binding sites in vivo using ChIP-seq, and to distinguish genes and pathways regulated directly or indirectly by PPFP with and without pioglitazone treatment via integration with RNA-seq data...
January 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28007783/early-pqq-supplementation-has-persistent-long-term-protective-effects-on-developmental-programming-of-hepatic-lipotoxicity-and-inflammation-in-obese-mice
#17
Karen R Jonscher, Michael S Stewart, Alba Alfonso-Garcia, Brian C DeFelice, Xiaoxin X Wang, Yuhuan Luo, Moshe Levi, Margaret J R Heerwagen, Rachel C Janssen, Becky A de la Houssaye, Ellen Wiitala, Garrett Florey, Raleigh L Jonscher, Eric O Potma, Oliver Fiehn, Jacob E Friedman
Nonalcoholic fatty liver disease (NAFLD) is widespread in adults and children. Early exposure to maternal obesity or Western-style diet (WD) increases steatosis and oxidative stress in fetal liver and is associated with lifetime disease risk in the offspring. Pyrroloquinoline quinone (PQQ) is a natural antioxidant found in soil, enriched in human breast milk, and essential for development in mammals. We investigated whether a supplemental dose of PQQ, provided prenatally in a mouse model of diet-induced obesity during pregnancy, could protect obese offspring from progression of NAFLD...
December 22, 2016: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28004271/maternal-vitamin-d-deficiency-during-pregnancy-affects-expression-of-adipogenic-regulating-genes-peroxisome-proliferator-activated-receptor-gamma-ppar%C3%AE-and-vitamin-d-receptor-vdr-in-lean-male-mice-offspring
#18
Anthony M Belenchia, Karen L Jones, Matthew Will, David Q Beversdorf, Victoria Vieira-Potter, Cheryl S Rosenfeld, Catherine A Peterson
PURPOSE: Maternal vitamin D deficiency during pregnancy is a widespread issue that may have long-lasting consequences on offspring adiposity. We sought to determine how maternal vitamin D deficiency during the perinatal period would affect offspring adipose tissue development and gene expression. METHODS: Female C57BL/6 J mice were fed either a vitamin D deficient (VDD) or control diet from 4 weeks before pregnancy (periconception) until 7 days postparturition...
December 21, 2016: European Journal of Nutrition
https://www.readbyqxmd.com/read/27939935/catalase-deletion-promotes-prediabetic-phenotype-in-mice
#19
Claire Heit, Stephanie Marshall, Surrendra Singh, Xiaoqing Yu, Georgia Charkoftaki, Hongyu Zhao, David J Orlicky, Kristofer S Fritz, David C Thompson, Vasilis Vasiliou
Hydrogen peroxide is produced endogenously and can be toxic to living organisms by inducing oxidative stress and cell damage. However, it has also been identified as a signal transduction molecule. By metabolizing hydrogen peroxide, catalase protects cells and tissues against oxidative damage and may also influence signal transduction mechanisms. Studies suggest that acatalasemic individuals (i.e., those with very low catalase activity) have a higher risk for the development of diabetes. We now report catalase knockout (Cat(-/-)) mice, when fed a normal (6...
February 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/27938626/prepartum-maternal-diets-supplemented-with-oilseeds-alter-the-fatty-acid-profile-in-bovine-neonatal-plasma-possibly-through-reduced-placental-expression-of-fatty-acid-transporter-protein-4-and-fatty-acid-translocase
#20
Reza Salehi, Divakar J Ambrose
In the present study, we determined the effects of maternal dietary fat and the type of fat on plasma fatty acids and the expression of placental fatty acid transporter genes. In Experiment 1, Holstein cows in the last 35 days of gestation received diets containing sunflower seed (n=8; high in linoleic acid (LA)), canola seed (n=7; high in oleic acid (OLA)) or no oilseed (n=7; control). Fatty acids were quantified in dam and neonate plasma at calving. In Experiment 2, placental cotyledons were collected (LA: n=4; OLA: n=4; control: n=5) to quantify gene expression...
December 12, 2016: Reproduction, Fertility, and Development
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