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https://www.readbyqxmd.com/read/28823103/bariatric-surgery-is-accompanied-by-changes-in-extracellular-vesicle-associated-and-plasma-fatty-acid-binding-protein-4
#1
Justyna K Witczak, Thinzar Min, Sarah L Prior, Jeffrey W Stephens, Philip E James, Aled Rees
BACKGROUND: Bariatric surgery markedly reduces fat mass with beneficial effects on cardiometabolic health but the mechanisms involved are not fully understood. Extracellular vesicles (EVs) are secreted by a variety of cells, including adipocytes, and may mediate some of these benefits. However, the effects of bariatric surgery on circulating EVs are unclear. METHODS: Concentration of plasma EVs isolated by ultracentrifugation at baseline, 1 and 6 months post-bariatric surgery (n = 20) was established using Nanoparticle Tracking Analysis...
August 19, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28822190/-effect-of-pinostrobin-chalcone-on-adipogenic-differentiation-of-mesenchymal-stem-cell-c3h10t1-2
#2
Wei-Peng Huang, Yan-Fen Huang, Jian-Zhen Chen, Bo Jin, Jia-Ning Tan, Zhi-Shan Ding
Chalcones is a flavonoid wildly presented in many herbs. It has the effect to inhibit cells adipogenic differentiation. In order to study the effect of pinostrobin chalcone extracted and isolated from leaves of hickoryes on the adipogenic differentiation of murine embryonic mesenchymal stem cell (C3H10T1/2), MTS [3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)- 2H-tetrazolium] method was used to detect the cell proliferation; adipogenic differentiation was characterized by oil red O staining and isopropanol extraction; the triglyceride content was detected by GAP-PAP enzyme method; and the C3H10T1/2 cell differentiation into adipocytes was also examined by the mRNA and protein expression of PPARγ, C/EBPα and FABP4 by RT-PCR and Western blot respectively...
June 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28810126/combined-virtual-screening-and-substructure-search-for-discovery-of-novel-fabp4-inhibitors
#3
Haiyan Cai, Ting Wang, Zhuo Yang, Zhijian Xu, Guimin Wang, Heyao Wang, Weiliang Zhu, Kaixian Chen
Fatty acid-binding protein 4 (FABP4, AFABP) is a potential drug target for diabetes and atherosclerosis. In this study, a series of novel FABP4 inhibitors were discovered through combining virtual screening and substructure search. Seventeen compounds exhibited FABP4 inhibitory activities with IC50 <10 μM, among which eleven compounds showed high selectivity against FABP3. The best compound 36b displayed an IC50 value of 1.5 μM. Molecular docking and point mutation studies revealed that Gln95, Arg126 and Tyr128 play key roles for these compounds binding with FABP4...
August 15, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28808264/knockdown-of-lncrna-mir31hg-inhibits-adipocyte-differentiation-of-human-adipose-derived-stem-cells-via-histone-modification-of-fabp4
#4
Yiping Huang, Chanyuan Jin, Yunfei Zheng, Xiaobei Li, Shan Zhang, Yixin Zhang, Lingfei Jia, Weiran Li
Adipogenesis plays an important role in the regulation of whole-body energy homeostasis and is inextricably related to obesity. Several studies have highlighted the relevance of microRNAs in adipocyte differentiation, but the contributions of long non-coding RNAs (lncRNAs) are still largely uncharacterized. Here, we determined that lncRNA MIR31HG is related to adipocyte lineage commitment. We demonstrated that knockdown of MIR31HG inhibited adipocyte differentiation, whereas overexpression of MIR31HG promoted adipogenesis in vitro and in vivo...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801883/prognostic-utility-of-fatty-acid-binding-protein-4-in-patients-with-type-2-diabetes-and-acute-ischemic-stroke
#5
Siou Li, Pengxiang Bi, Weina Zhao, Yifei Lian, Haifu Zhu, Dan Xu, Jiayuan Ding, Quankui Wang, Changhao Yin
The role of fatty acid-binding proteins (FABPs) in atherosclerosis has been investigated. The aim of this study was to verify the hypothesis that higher levels of serum fatty acid-binding protein 4 (FABP4) could be a prognostic factor in Chinese patients with type 2 diabetes (T2DM) and acute ischemic stroke (AIS). From September 2015 to August 2016, consecutive first-ever AIS patients combined with T2DM were included in this study. FABP4, NIH stroke scale (NIHSS), and conventional risk factors were evaluated to determine their value to predict functional outcomes within 3 months...
August 11, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28781090/fatty-acid-binding-protein-4-is-associated-with-stroke-risk-and-severity-in-patients-with-acute-ischemic-stroke
#6
Li Chang, Jianlong Zhang, Li Liu, Zhen Huang, Yingbo Han, Yanyan Zhu
OBJECTIVE: The role of fatty acid-binding proteins (FABPs) in atherosclerosis has been investigated. The aim of this study was to verify the hypothesis that higher levels of serum FABP4 could be a biomarker for stroke and associated with stroke severity in Chinese patients with ischemic stroke. METHODS: All consecutive patients with first-ever acute ischemic stroke from September 2015 to August 2016 were recruited to participate in the study. Serum FABP4 levels and routine tests were examined at admission...
July 19, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28757686/acinetobacter-baumannii-lipopolysaccharide-influences-adipokine-expression-in-3t3-l1-adipocytes
#7
Yuka Unno, Yoshinori Sato, Satoshi Nishida, Akiyo Nakano, Ryuichi Nakano, Tsuneyuki Ubagai, Yasuo Ono
Acinetobacter baumannii is one of the most important nosocomial opportunistic pathogen worldwide. In addition, obesity has been associated with an increased risk of nosocomial infection, suggesting that there may be an association between A. baumannii and white adipose tissue. However, the effects of A. baumannii on adipocytes have not been well studied at the molecular level. Here, we investigated the potential role of A. baumannii-derived lipopolysaccharides (LPS) as signaling molecules that affect adipocyte functionality...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28738306/adipocyte-fatty-acid-binding-protein-4-fabp4-inhibitors-a-comprehensive-systematic-review
#8
REVIEW
Giuseppe Floresta, Venerando Pistarà, Emanuele Amata, Maria Dichiara, Agostino Marrazzo, Orazio Prezzavento, Antonio Rescifina
Small molecule inhibitors of adipocyte fatty acid binding protein 4 (FABP4) have attracted interest following the recent publications of beneficial pharmacological effects of these compounds. FABP4 is predominantly expressed in macrophages and adipose tissue where it regulates fatty acids (FAs) storage and lipolysis and is an important mediator of inflammation. In the past years, hundreds FABP4 inhibitors have been synthesized for effective atherosclerosis and diabetes treatments, including derivatives of niacin, quinoxaline, aryl-quinoline, bicyclic pyridine, urea, aromatic compounds and other novel heterocyclic compounds...
July 15, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28718514/aldehyde-dehydrogenase-1-a1-regulates-energy-metabolism-in-adipocytes-from-different-species
#9
Kefeng Yang, Christopher Adin, Qiwen Shen, Ly James Lee, Lianbo Yu, Paolo Fadda, Arpad Samogyi, Kathleen Ham, Lu Xu, Chen Gilor, Ouliana Ziouzenkova
BACKGROUND: Survival and longevity of xenotransplants depend on immune function and ability to integrate energy metabolism between cells from different species. However, mechanisms for interspecies cross talk in energy metabolism are not well understood. White adipose tissue stores energy and is capable of mobilization and dissipation of energy as heat (thermogenesis) by adipocytes expressing uncoupling protein 1 (Ucp1). Both pathways are under the control of vitamin A metabolizing enzymes...
July 17, 2017: Xenotransplantation
https://www.readbyqxmd.com/read/28713075/association-of-parental-obesity-and-diabetes-mellitus-with-circulating-adipokines-in-nonobese-nondiabetic-offspring
#10
Justin P Zachariah, Rene Quiroz, Danielle Enserro, Charlotte Andersson, John F Keaney, Lisa M Sullivan, Ramachandran S Vasan
BACKGROUND: Adipokines are implicated in the development of obesity-related traits. We hypothesized that nonobese participants without diabetes mellitus (DM) whose parents were obese or had DM would have altered circulating adipokines compared with those without parental history of these conditions. METHODS AND RESULTS: Participants in the community-based Framingham Third Generation cohort who were not obese (body mass index <30) and not diabetic with both parents in the Framingham Offspring cohort were included in this analysis (n=2034, mean age 40 years, 54% women)...
July 16, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28701570/adipose-derived-fatty-acid-binding-proteins-plasma-concentrations-are-increased-in-breast-cancer-patients
#11
Sandra Guaita-Esteruelas, Paula Saavedra-García, Alba Bosquet, Joan Borràs, Josefa Girona, Kepa Amiliano, Marta Rodríguez-Balada, Mercedes Heras, Luís Masana, Josep Gumà
BACKGROUND: Adipose tissue is an endocrine organ that could play a role in tumor progression via its secreted adipokines. The role of adipose-derived fatty acid-binding protein (FABP) 4 and FABP5 in breast cancer is presently under study, but their circulating levels in this pathology are poorly known. We analyzed the blood concentrations of FABP4 and FABP5 in breast cancer patients to determine whether there is an association between them and breast cancer. MATERIALS AND METHODS: We studied 294 women in the oncology department with a family history of breast cancer; 198 of the women had breast cancer, and 96 were healthy controls...
July 12, 2017: Oncologist
https://www.readbyqxmd.com/read/28701079/mir-185-inhibits-3t3-l1-cell-differentiation-by-targeting-srebp-1
#12
Chunyou Ning, Guilin Li, Lu You, Yao Ma, Long Jin, Jideng Ma, Xuewei Li, Mingzhou Li, Haifeng Liu
Adipogenesis involves a highly orchestrated series of complex events in which microRNAs (miRNAs) may play an essential role. In this study, we found that the miR-185 expression increased gradually during 3T3-L1 cells differentiation. To explore the role of miR-185 in adipogenesis, miRNA agomirs and antagomirs were used to perform miR-185 overexpression and knockdown, respectively. Overexpression of miR-185 dramatically reduced the mRNA expression of the adipogenic markers, PPARγ, FABP4, FAS, and LPL, and the protein level of PPARγ and FAS...
September 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/28691342/dual-function-of-lactobacillus-kefiri-dh5-in-preventing-high-fat-diet-induced-obesity-direct-reduction-of-cholesterol-and-upregulation-of-ppar%C3%AE-in-adipose-tissue
#13
Dong-Hyeon Kim, Dana Jeong, Il-Byeong Kang, Hyunsook Kim, Kwang-Young Song, Kun-Ho Seo
SCOPE: Kefir consumption inhibits the development of obesity and non-alcoholic fatty liver disease in mice fed 60% high-fat diet (HFD). To identify the key contributor of this effect, we isolated lactic acid bacteria (LAB) from kefir and examined their anti-obesity properties from in vitro screening and in vivo validation. METHODS AND RESULTS: Thirteen kefir LAB isolates were subjected to survivability test using artificial gastrointestinal environment and cholesterol-reducing assay...
July 10, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28686516/standardized-cirsium-setidens-nakai-ethanolic-extract-suppresses-adipogenesis-and-regulates-lipid-metabolisms-in-3t3-l1-adipocytes-and-c57bl-6j-mice-fed-high-fat-diets
#14
Bong-Yeon Cho, Mi-Ryeong Park, Jin-Ha Lee, Moon-Jin Ra, Kyoung Chan Han, Il-Jun Kang, Ok-Hwan Lee
Cirsium setidens Nakai, a wild perennial herb, grows mainly in Gangwon province, Korea, and has been reported to contain bioactive ingredients with various medicinal activities, including the treatment of edema, bleeding, and hemoptysis. However, the potential antiobesity effects of C. setidens Nakai have not been fully investigated. This study evaluated the antiobesity effect of standardized C. setidens Nakai ethanolic extract (CNE) in 3T3-L1 adipocytes and in obese C57BL/6J mice fed a high-fat diet. CNE suppressed the expression of lipogenic genes and increased the expression of lipolytic genes...
August 2017: Journal of Medicinal Food
https://www.readbyqxmd.com/read/28684700/proteomics-analysis-reveals-an-important-role-for-the-ppar-signaling-pathway-in-dbdct-induced-hepatotoxicity-mechanisms
#15
Yunlan Li, Xinxin Liu, Lin Niu, Qingshan Li
A patented organotin di-n-butyl-di-(4-chlorobenzohydroxamato)tin (DBDCT) with high a antitumor activity was designed, however, its antitumor and toxic mechanisms have not yet been clearly illustrated. Hepatic proteins of DBDCT-treated rats were identified and analyzed using LC-MS/MS with label-free quantitative technology. In total, 149 differentially expressed proteins were successfully identified. Five protein and mRNA expressions were involved in the peroxisome proliferator-activated receptor (PPAR) signaling pathway, including a scavenger receptor (CD36), adipocyte fatty acid binding protein 4 (FABP4), enoyl-CoA hydratase (EHHADH), acetyl-CoA acyltransferase 1 (ACAA1), and phosphoenolpyruvate carboxykinase (PEPCK) in DBDCT-treated Rat Liver (BRL) cells...
July 6, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28666109/subspecies-and-diet-affect-the-expression-of-genes-involved-in-lipid-metabolism-and-chemical-composition-of-muscle-in-beef-cattle
#16
Priscilla D Teixeira, Dalton M Oliveira, Mario L Chizzotti, Antonio Chalfun-Junior, Tamara C Coelho, MateusP Gionbelli, Luciano V Paiva, José Roberto R Carvalho, Marcio M Ladeira
Fourteen Nellore and 14 Angus young bulls with BW of 381±11.8kg were randomly assigned into 2 feeding groups (whole shelled corn without forage (WSC) or corn silage and ground corn (GC)) to evaluate chemical composition and expression of genes involved in lipid metabolism in the longissimus thoracis (LT). We hypothesized that bulls fed the WSC diet have greater amounts of intramuscular fat and Angus have higher expression levels of PPAR and SREBF. Meat from Angus bulls had greater ether extract compared to Nellore (P<0...
June 17, 2017: Meat Science
https://www.readbyqxmd.com/read/28665940/adiposity-and-adipogenic-gene-expression-in-four-different-muscles-in-beef-cattle
#17
Lara Martínez Del Pino, Ana Arana, Leopoldo Alfonso, José Antonio Mendizábal, Beatriz Soret
Anatomical site and divergent functionalities of muscles can be related to differences in IMF content, metabolism and adipogenic gene expression. Then, potential differences in different muscles in beef cattle were studied. As a second objective, the main sources of experimental variability associated to RT-qPCR results were analyzed following a nested design in order to implement appropriate experimental designs minimizing gene expression variability. To perform the study Longissimus thoracis (LT), Semitendinosus (SM), Masseter (MS), Sternomandibularis (ST) and subcutaneous adipose tissue (SAT) samples of Pirenaica young bulls (n = 4) were collected for IMF, collagen and protein quantification, analysis of adipocyte size distribution and gene expression (PPARG, CEBPA, FAPB4 and WNT10B)...
2017: PloS One
https://www.readbyqxmd.com/read/28665611/comprehensive-myocardial-proteogenomics-profiling-reveals-c-ebp%C3%AE-as-the-key-factor-in-the-lipid-storage-of-arvc
#18
Liang Chen, Fan Yang, Xiao Chen, Man Rao, Ning-Ning Zhang, Kai Chen, HaiTeng Deng, Jiang-Ping Song, Sheng-Shou Hu
Arrhythmogenic right ventricular cardiomyopathy (ARVC) is hereditary cardiomyopathy characterized by the fibro-fatty replacement of the myocardium. A small number of noncomprehensive profiling studies based on human cardiac tissues have been conducted and reported; consequently, ARVC's gene expression pattern characteristics remain largely undocumented. Our study applies large-scaled, quantitative proteomics based on TMT-labeled LC-MS/MS to analyze the left and right ventricular myocardium of four ARVC and four DCM explanted hearts to compare them with normal hearts...
July 13, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/28665070/identification-of-downstream-genes-of-the-mtor-pathway-that-predict-recurrence-and-progression-in-non-muscle-invasive-high-grade-urothelial-carcinoma-of-the-bladder
#19
Subin Jin, In Ho Chang, Jin Wook Kim, Young Mi Whang, Ha Jeong Kim, Soon Auck Hong, Tae Jin Lee
Microarray analysis was used to investigate the lack of identified mammalian target of rapamycin (mTOR) pathway downstream genes to overcome cross-talk at non-muscle invasive high-grade (HG)-urothelial carcinoma (UC) of the bladder, gene expression patterns, gene ontology, and gene clustering by triple (p70S6K, S6K, and eIF4E) small interfering RNAs (siRNAs) or rapamycin in 5637 and T24 cell lines. We selected mTOR pathway downstream genes that were suppressed by siRNAs more than 2-fold, or were up-regulated or down-regulated by rapamycin more than 2-fold...
August 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28655922/direct-conversion-of-human-fibroblasts-to-brown-adipocytes-by-small-chemical-compounds
#20
Yukimasa Takeda, Yoshinori Harada, Toshikazu Yoshikawa, Ping Dai
Brown adipocytes play an important role in human energy metabolism and prevention of obesity and diabetes. Induced pluripotent stem cells (iPSCs) represent a promising source for brown adipocytes; however, exogenous gene induction is generally required for iPSCs generation, which might cause undesired effects particularly in long-term treatment after transplantation. We have previously reported a cocktail of six small chemical compounds that enables a conversion of human fibroblasts into chemical compound-induced neuronal cells (CiNCs)...
June 27, 2017: Scientific Reports
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