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https://www.readbyqxmd.com/read/27698954/korean-pine-nut-oil-replacement-decreases-intestinal-lipid-uptake-while-improves-hepatic-lipid-metabolism-in-mice
#1
Shuang Zhu, Soyoung Park, Yeseo Lim, Sunhye Shin, Sung Nim Han
BACKGROUND/OBJECTIVES: Consumption of pine nut oil (PNO) was shown to reduce weight gain and attenuate hepatic steatosis in mice fed a high-fat diet (HFD). The aim of this study was to examine the effects of PNO on both intestinal and hepatic lipid metabolism in mice fed control or HFD. MATERIALS/METHODS: Five-week-old C57BL/6 mice were fed control diets containing 10% energy fat from either Soybean Oil (SBO) or PNO, or HFD containing 15% energy fat from lard and 30% energy fat from SBO or PNO for 12 weeks...
October 2016: Nutrition Research and Practice
https://www.readbyqxmd.com/read/27110435/possible-relationship-between-common-genetic-variation-and-white-matter-development-in-a-pilot-study-of-preterm-infants
#2
Michelle L Krishnan, Zi Wang, Matt Silver, James P Boardman, Gareth Ball, Serena J Counsell, Andrew J Walley, Giovanni Montana, Anthony David Edwards
BACKGROUND: The consequences of preterm birth are a major public health concern with high rates of ensuing multisystem morbidity, and uncertain biological mechanisms. Common genetic variation may mediate vulnerability to the insult of prematurity and provide opportunities to predict and modify risk. OBJECTIVE: To gain novel biological and therapeutic insights from the integrated analysis of magnetic resonance imaging and genetic data, informed by prior knowledge...
July 2016: Brain and Behavior
https://www.readbyqxmd.com/read/27071702/pyrazinamide-induced-hepatic-injury-in-rats-through-inhibiting-the-ppar%C3%AE-pathway
#3
Yun Zhang, Hongli Guo, Hozeifa M Hassan, Ping-Ping Ding, Yijing Su, Yuming Song, Tao Wang, Lixin Sun, Luyong Zhang, Zhenzhou Jiang
Pyrazinamide (PZA) causes serious hepatotoxicity, but little is known about the exact mechanism by which PZA induced liver injury. The peroxisome proliferator-activated receptors alpha (PPARα) is highly expressed in the liver and modulates the intracellular lipidmetabolism. So far, the role of PPARα in the hepatotoxicity of PZA is unknown. In the present study, we described the hepatotoxic effects of PZA and the role of PPARα and its target genes in the downstream pathway including L-Fabp, Lpl, Cpt-1b, Acaa1, Apo-A1 and Me1 in this process...
April 12, 2016: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/25784953/the-beta-3-adrenergic-agonist-cl-316-243-restores-the-expression-of-down-regulated-fatty-acid-oxidation-genes-in-type-2-diabetic-mice
#4
Amit Kumar, Joseph Shiloach, Michael J Betenbaugh, Emily J Gallagher
BACKGROUND: The hallmark of Type 2 diabetes (T2D) is hyperglycemia, although there are multiple other metabolic abnormalities that occur with T2D, including insulin resistance and dyslipidemia. To advance T2D prevention and develop targeted therapies for its treatment, a greater understanding of the alterations in metabolic tissues associated with T2D is necessary. The aim of this study was to use microarray analysis of gene expression in metabolic tissues from a mouse model of pre-diabetes and T2D to further understand the metabolic abnormalities that may contribute to T2D...
2015: Nutrition & Metabolism
https://www.readbyqxmd.com/read/25768320/identification-of-hepatocellular-carcinoma-associated-hub-genes-and-pathways-by-integrated-microarray-analysis
#5
Fangfeng Liu, Hongguang Li, Hong Chang, Jianlu Wang, Jun Lu
AIMS AND BACKGROUND: Hepatocellular carcinoma (HCC) is a dismal malignancy associated with multiple molecular changes. The purpose of this study was to identify the differentially expressed genes and analyze the biological processes related to HCC. METHODS AND STUDY DESIGN: Datasets of HCC were obtained from the NCBI Gene Expression Omnibus. Integrated analysis of differentially expressed genes was performed using the INMEX program. Then Gene Ontology enrichment analyses and pathway analysis were performed based on the Gene Ontology website and Kyoto Encyclopedia of Genes and Genomes...
March 2015: Tumori
https://www.readbyqxmd.com/read/25198128/identification-of-genes-related-to-beak-deformity-of-chickens-using-digital-gene-expression-profiling
#6
Hao Bai, Jing Zhu, Yanyan Sun, Ranran Liu, Nian Liu, Dongli Li, Jie Wen, Jilan Chen
Frequencies of up to 3% of beak deformity (normally a crossed beak) occur in some indigenous chickens in China, such as and Beijing-You. Chickens with deformed beaks have reduced feed intake, growth rate, and abnormal behaviors. Beak deformity represents an economic as well as an animal welfare problem in the poultry industry. Because the genetic basis of beak deformity remains incompletely understood, the present study sought to identify important genes and metabolic pathways involved in this phenotype. Digital gene expression analysis was performed on deformed and normal beaks collected from Beijing-You chickens to detect global gene expression differences...
2014: PloS One
https://www.readbyqxmd.com/read/25197313/ananas-comosus-l-leaf-phenols-and-p-coumaric-acid-regulate-liver-fat-metabolism-by-upregulating-cpt-1-expression
#7
Weidong Xie, Shaobo Zhang, Fan Lei, Xiaoxi Ouyang, Lijun Du
In this study, we aimed to investigate the effect and action mechanisms of pineapple leaf phenols (PLPs) on liver fat metabolism in high-fat diet-fed mice. Results show that PLP significantly reduced abdominal fat and liver lipid accumulation in high-fat diet-fed mice. The effects of PLP were comparable with those of FB. Furthermore, at the protein level, PLP upregulated the expression of carnitine palmitoyltransferase 1 (CPT-1), whereas FB had no effects on CPT-1 compared with the HFD controls. Regarding mRNA expression, PLP mainly promoted the expression of CPT-1, PGC1a, UCP-1, and AMPK in the mitochondria, whereas FB mostly enhanced the expression of Ech1, Acox1, Acaa1, and Ehhadh in peroxisomes...
2014: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/24647074/polymorphisms-in-genes-involved-in-fatty-acid-%C3%AE-oxidation-interact-with-dietary-fat-intakes-to-modulate-the-plasma-tg-response-to-a-fish-oil-supplementation
#8
Annie Bouchard-Mercier, Iwona Rudkowska, Simone Lemieux, Patrick Couture, Marie-Claude Vohl
A large inter-individual variability in the plasma triglyceride (TG) response to an omega-3 polyunsaturated fatty acid (n-3 PUFA) supplementation has been observed. The objective was to examine gene-diet interaction effects on the plasma TG response after a fish oil supplementation, between single-nucleotide polymorphisms (SNPs) within genes involved in fatty acid β-oxidation and dietary fat intakes. Two hundred and eight (208) participants were recruited in the greater Quebec City area. The participants completed a six-week fish oil supplementation (5 g fish oil/day: 1...
2014: Nutrients
https://www.readbyqxmd.com/read/24304134/hepatic-transcriptome-profiling-identifies-differences-in-expression-of-genes-associated-with-changes-in-metabolism-and-postnatal-growth-between-hereford-and-holstein-friesian-bulls
#9
COMPARATIVE STUDY
Pawel Lisowski, Ewa M Kościuczuk, Joanna Gościk, Mariusz Pierzchała, Barbara Rowińska, Lech Zwierzchowski
This study examined liver transcriptomic profiles of cattle distinctly different in meat and milk production capacity. It was performed on bulls of two different genetic backgrounds: Herefords (H), a meat breed, and Holstein-Friesians (HF), a dairy breed. Using bovine long oligo-microarrays and qPCR, we identified 128 genes that are differentially expressed between the two breeds. In H bulls, we observed up-regulation of genes involved in fatty acid biosynthesis and lipid metabolism (CD36, CAT, HSD3B1, FABP1, ACAA1) and involved in insulin signaling (INSR, INSIG2, NR4A1) and down-regulation of genes involved in somatotropic axis signaling (IGF1, GHR, IGFBP3) as compared to HF...
April 2014: Animal Genetics
https://www.readbyqxmd.com/read/24154872/functional-tlr5-genetic-variants-affect-human-colorectal-cancer-survival
#10
Sascha N Klimosch, Asta Försti, Jana Eckert, Jelena Knezevic, Melanie Bevier, Witigo von Schönfels, Nils Heits, Jessica Walter, Sebastian Hinz, Jesus Lascorz, Jochen Hampe, Dominik Hartl, Julia-Stefanie Frick, Kari Hemminki, Clemens Schafmayer, Alexander N R Weber
Toll-like receptors (TLR) are overexpressed on many types of cancer cells, including colorectal cancer cells, but little is known about the functional relevance of these immune regulatory molecules in malignant settings. Here, we report frequent single-nucleotide polymorphisms (SNP) in the flagellin receptor TLR5 and the TLR downstream effector molecules MyD88 and TIRAP that are associated with altered survival in a large cohort of Caucasian patients with colorectal cancer (n = 613). MYD88 rs4988453, a SNP that maps to a promoter region shared with the acetyl coenzyme-A acyl-transferase-1 (ACAA1), was associated with decreased survival of patients with colorectal cancer and altered transcriptional activity of the proximal genes...
December 15, 2013: Cancer Research
https://www.readbyqxmd.com/read/23574633/dimethylsulfoxide-and-conjugated-linoleic-acids-affect-bovine-embryo-development-in-vitro
#11
Hanna Stinshoff, Sandra Wilkening, Ana Hanstedt, Heinrich Bollwein, Christine Wrenzycki
Conjugated linoleic acids (CLA) are employed to overcome the bovine periparturitional negative energy balance. Especially of interest are trans10,cis12 -linoleic acid (t10c12-CLA) and cis9,trans11-linoleic acid (c9t11-CLA). Their impact on embryonic development, though, is not clear. Here, effects of both above-mentioned CLA on bovine in vitro-produced embryos were assessed. Zygotes (n=2098) were allocated to one of seven groups: cultured with 50 or 100µM of either c9t11-CLA or t10c12-CLA, with 14 or 28mM DMSO or without supplement (control)...
2014: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/23459139/tysnd1-deficiency-in-mice-interferes-with-the-peroxisomal-localization-of-pts2-enzymes-causing-lipid-metabolic-abnormalities-and-male-infertility
#12
Yumi Mizuno, Yuichi Ninomiya, Yutaka Nakachi, Mioko Iseki, Hiroyasu Iwasa, Masumi Akita, Tohru Tsukui, Nobuyuki Shimozawa, Chizuru Ito, Kiyotaka Toshimori, Megumi Nishimukai, Hiroshi Hara, Ryouta Maeba, Tomoki Okazaki, Ali Nasser Ali Alodaib, Mohammed Al Amoudi, Minnie Jacob, Fowzan S Alkuraya, Yasushi Horai, Mitsuhiro Watanabe, Hiromi Motegi, Shigeharu Wakana, Tetsuo Noda, Igor V Kurochkin, Yosuke Mizuno, Christian Schönbach, Yasushi Okazaki
Peroxisomes are subcellular organelles involved in lipid metabolic processes, including those of very-long-chain fatty acids and branched-chain fatty acids, among others. Peroxisome matrix proteins are synthesized in the cytoplasm. Targeting signals (PTS or peroxisomal targeting signal) at the C-terminus (PTS1) or N-terminus (PTS2) of peroxisomal matrix proteins mediate their import into the organelle. In the case of PTS2-containing proteins, the PTS2 signal is cleaved from the protein when transported into peroxisomes...
2013: PLoS Genetics
https://www.readbyqxmd.com/read/23028900/innate-immunity-and-non-hodgkin-s-lymphoma-nhl-related-genes-in-a-nested-case-control-study-for-gastric-cancer-risk
#13
Sue K Park, Jae Jeong Yang, Sohee Oh, Lisa Y Cho, Seung Hyun Ma, Aesun Shin, Kwang-Pil Ko, Taesung Park, Keun-Young Yoo, Daehee Kang
OBJECTIVE: Genetic variants regulating the host immune system may contribute to the susceptibility for the development of gastric cancer. Little is known about the role of the innate immunity- and non-Hodgkin's lymphoma (NHL)-related genes for gastric cancer risk. This nested case-control study was conducted to identify candidate genes for gastric cancer risk for future studies. METHODS: In the Discovery phase, 3,072 SNPs in 203 innate immunity- and 264 NHL-related genes using the Illumine GoldenGateTM OPA Panel were analyzed in 42 matched case-control sets selected from the Korean Multi-center Cancer Cohort (KMCC)...
2012: PloS One
https://www.readbyqxmd.com/read/22431067/gene-expression-profiling-reveals-potential-key-pathways-involved-in-pyrazinamide-mediated-hepatotoxicity-in-wistar-rats
#14
Yun Zhang, Zhenzhou Jiang, Yijing Su, Mi Chen, Fu Li, Li Liu, Lixin Sun, Yun Wang, Shuang Zhang, Luyong Zhang
Pyrazinamide (PZA) is an important sterilizing prodrug that shortens the duration of tuberculosis therapy. However, hepatotoxicity has been reported during clinical trials investigating PZA. To determine the hepatotoxic effects of PZA in vivo and to further investigate the underlying cellular mechanism, we profiled the gene expression patterns of PZA-treated rat livers by microarray analysis. Wistar rats of both sexes were orally administered PZA at doses of 0.5, 1.0 and 2.0 g kg(-1) for 28 days. Body weight, absolute and relative liver weight, biochemical analysis, histopathology, oxidative stress parameters in liver homogenates and changes in global transcriptomic expression were evaluated to study the hepatotoxic effects of PZA...
August 2013: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/22192168/association-of-variants-in-innate-immune-genes-with-asthma-and-eczema
#15
Sunita Sharma, Audrey Poon, Blanca E Himes, Jessica Lasky-Su, Joanne E Sordillo, Kathleen Belanger, Donald K Milton, Michael B Bracken, Elizabeth W Triche, Brian P Leaderer, Diane R Gold, Augusto A Litonjua
BACKGROUND: The innate immune pathway is important in the pathogenesis of asthma and eczema. However, only a few variants in these genes have been associated with either disease. We investigate the association between polymorphisms of genes in the innate immune pathway with childhood asthma and eczema. In addition, we compare individual associations with those discovered using a multivariate approach. METHODS: Using a novel method, case control based association testing (C2BAT), 569 single nucleotide polymorphisms (SNPs) in 44 innate immune genes were tested for association with asthma and eczema in children from the Boston Home Allergens and Asthma Study and the Connecticut Childhood Asthma Study...
June 2012: Pediatric Allergy and Immunology
https://www.readbyqxmd.com/read/22151743/effects-of-endotoxin-exposure-on-childhood-asthma-risk-are-modified-by-a-genetic-polymorphism-in-acaa1
#16
Joanne E Sordillo, Sunita Sharma, Audrey Poon, Jessica Lasky-Su, Kathleen Belanger, Donald K Milton, Michael B Bracken, Elizabeth W Triche, Brian P Leaderer, Diane R Gold, Augusto A Litonjua
BACKGROUND: Polymorphisms in the endotoxin-mediated TLR4 pathway genes have been associated with asthma and atopy. We aimed to examine how genetic polymorphisms in innate immunity pathways interact with endotoxin to influence asthma risk in children. METHODS: In a previous analysis of 372 children from the Boston Home Allergens and the Connecticut Childhood Asthma studies, 7 SNPs in 6 genes (CARD15, TGFB1, LY96, ACAA1, DEFB1 and IFNG) involved in innate immune pathways were associated with asthma, and 5 SNPs in 3 genes (CD80, STAT4, IRAK2) were associated with eczema...
2011: BMC Medical Genetics
https://www.readbyqxmd.com/read/21207424/molecular-markers-of-endometrial-carcinoma-detected-in-uterine-aspirates
#17
Eva Colas, Cristina Perez, Silvia Cabrera, Nuria Pedrola, Marta Monge, Josep Castellvi, Fernando Eyzaguirre, Jesus Gregorio, Anna Ruiz, Marta Llaurado, Marina Rigau, Marta Garcia, Tugçe Ertekin, Melania Montes, Rafael Lopez-Lopez, Ramon Carreras, Jordi Xercavins, Alicia Ortega, Tamara Maes, Elisabet Rosell, Andreas Doll, Miguel Abal, Jaume Reventos, Antonio Gil-Moreno
Endometrial cancer (EC) is the most frequent of the invasive tumors of the female genital tract. Although usually detected in its initial stages, a 20% of the patients present with advanced disease. To date, no characterized molecular marker has been validated for the diagnosis of EC. In addition, new methods for prognosis and classification of EC are needed to combat this deadly disease. We thus aimed to identify new molecular markers of EC and to evaluate their validity on endometrial aspirates. Gene expression screening on 52 carcinoma samples and series of real-time quantitative PCR validation on 19 paired carcinomas and normal tissue samples and on 50 carcinoma and noncarcinoma uterine aspirates were performed to identify and validate potential biomarkers of EC...
November 15, 2011: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/17717280/incretin-receptors-for-glucagon-like-peptide-1-and-glucose-dependent-insulinotropic-polypeptide-are-essential-for-the-sustained-metabolic-actions-of-vildagliptin-in-mice
#18
Grace Flock, Laurie L Baggio, Christine Longuet, Daniel J Drucker
OBJECTIVE: Dipeptidyl peptidase-4 (DPP4) inhibitors lower blood glucose in diabetic subjects; however, the mechanism of action through which these agents improve glucose homeostasis remains incompletely understood. Although glucagon-like peptide (GLP)-1 and glucose-dependent insulinotropic polypeptide (GIP) represent important targets for DPP4 activity, whether additional substrates are important for the glucose-lowering actions of DPP4 inhibitors remains uncertain. RESEARCH DESIGN AND METHODS: We examined the efficacy of continuous vildagliptin administration in wild-type (WT) and dual incretin receptor knockout (DIRKO) mice after 8 weeks of a high-fat diet...
December 2007: Diabetes
https://www.readbyqxmd.com/read/17255113/underlying-mechanisms-of-pharmacology-and-toxicity-of-a-novel-ppar-agonist-revealed-using-rodent-and-canine-hepatocytes
#19
Yin Guo, Robert A Jolly, Bartley W Halstead, Thomas K Baker, John P Stutz, Melanie Huffman, John N Calley, Adam West, Hong Gao, George H Searfoss, Shuyu Li, Armando R Irizarry, Hui-Rong Qian, James L Stevens, Timothy P Ryan
Marked species-specific responses to agonists of the peroxisome proliferator-activated alpha receptor (PPAR alpha) have been observed in rats and dogs, two species typically used to assess the potential human risk of pharmaceuticals in development. In this study, we used primary cultured rat and dog hepatocytes to investigate the underlying mechanisms of a novel PPAR alpha and -gamma coagonist, LY465608, relative to fenofibrate, a prototypical PPAR alpha agonist. As expected, rat hepatocytes incubated with these two agonists demonstrated an increase in peroxisome number as evaluated by electron microscopy, whereas the peroxisome number remained unchanged in dog hepatocytes...
April 2007: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/11528129/integration-of-porcine-chromosome-13-maps
#20
COMPARATIVE STUDY
M Van Poucke, M Yerle, C Tuggle, F Piumi, C Genêt, A Van Zeveren, L J Peelman
In order to expand the comparative map between human chromosome 3 (HSA3) and porcine chromosome 13 (SSC13), seven genes from HSA3 were mapped on SSC13 by fluorescence in situ hybridisation (FISH), viz. ACAA1, ACPP, B4GALT4, LTF, MYLK, PDHB and RARB. With a view to integrating this expanded comparative map with the existing SSC13 linkage map, we used the INRA-University of Minnesota porcine Radiation Hybrid panel (IMpRH) to localize more precisely and to order 15 genes on the SSC13 map, viz. ACPP, ADCY5, APOD, BCHE, CD86, DRD3, GAP43, PCCB, RAF1, RHO, SI, TF, TFRC, TOP2B and ZNF148...
2001: Cytogenetics and Cell Genetics
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