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https://www.readbyqxmd.com/read/28806616/parvovirus-b19-integration-into-human-cd36-erythroid-progenitor-cells
#1
Tyler Janovitz, Susan Wong, Neal S Young, Thiago Oliveira, Erik Falck-Pedersen
The pathogenic autonomous human parvovirus B19 (B19V) productively infects erythroid progenitor cells (EPCs). Functional similarities between B19V nonstructural protein (NS1), a DNA binding endonuclease, and the Rep proteins of Adeno-Associated Virus (AAV) led us to hypothesize that NS1 may facilitate targeted nicking of the human genome and B19 vDNA integration. We adapted an integration capture sequencing protocol (IC-Seq) to screen B19V infected human CD36+ EPCs for viral integrants, and discovered 40,000 unique B19V integration events distributed throughout the human genome...
August 11, 2017: Virology
https://www.readbyqxmd.com/read/28804718/cd36-gene-polymorphisms-are-associated-with-intracerebral-hemorrhage-susceptibility-in-a-han-chinese-population
#2
Qiu-Wen Gong, Mao-Fan Liao, Liang Liu, Xiao-Yi Xiong, Qin Zhang, Qi Zhong, Kai Zhou, Yuan-Rui Yang, Zhao-You Meng, Chang-Xiong Gong, Rui Xu, Qing-Wu Yang
The CD36 gene encodes a membrane glycoprotein (type B scavenger receptor, SR-B2) that plays a crucial role in lipid sensing, innate immunity, atherogenesis, and glycolipid metabolism. In this study, we aimed to investigate the association between CD36 gene polymorphisms and intracerebral hemorrhage (ICH) in a Han Chinese population. We performed genotype and allele analyses for eleven single nucleotide polymorphisms (SNPs) of CD36 in a case-controlled study involving 292 ICH patients and 298 control participants...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28798692/change-in-the-lipid-transport-capacity-of-the-liver-and-blood-during-reproduction-in-rats
#3
Yufeng Zhang, Christine Kallenberg, Hayden W Hyatt, Andreas N Kavazis, Wendy R Hood
To support the high energetic demands of reproduction, female mammals display plasticity in many physiological processes, such as the lipid transport system. Lipids support the energy demands of females during reproduction, and energy and structural demands of the developing offspring via the placenta in utero or milk during the suckling period. We hypothesized that key proteins supporting lipid transport in reproductive females will increase during pregnancy and lactation, but drop to non-reproductive levels shortly after reproduction has ended...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28791414/tetramethylpyrazine-suppresses-lipid-accumulation-in-macrophages-via-upregulation-of-the-atp-binding-cassette-transporters-and-downregulation-of-scavenger-receptors
#4
Jie Duan, Dong Xiang, Hongli Luo, Guojun Wang, Yun Ye, Chao Yu, Xiuying Li
Tetramethylpyrazine (TMP), a biologically active ingredient first extracted from the Chinese medicinal plant Ligusticum wallichii Franchat., has athero-protective activity, yet the particular mechanisms have not been completely explored. The present study was designed to investigate the effect of TMP and its possible mechanisms in RAW264.7 macrophages and apolipoprotein E-deficient (ApoE-/-) mice. TMP treatment markedly increased the cholesterol efflux and inhibited oxidized low-density lipoprotein (ox-LDL) uptake, thus, ameliorating lipid accumulation in macrophages...
August 4, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28789977/ablation-of-systemic-sirt1-activity-promotes-nonalcoholic-fatty-liver-disease-by-affecting-liver-mesenteric-adipose-tissue-fatty-acid-mobilization
#5
Junrui Cheng, Chun Liu, Kangquan Hu, Andrew Greenberg, Dayong Wu, Lynne M Ausman, Michael W McBurney, Xiang-Dong Wang
Sirtuin 1 (SIRT1) has been reported to protect against nonalcoholic fatty liver disease (NAFLD) development. The mechanism of how SIRT1 deacetylase activity affects NAFLD has not been well investigated. The current investigation addressed the causal effect of systemic SIRT1 activity on NAFLD development and the underlying mechanism involved in both liver and mesenteric adipose tissue (MAT). Both SIRT1 homozygous mice ablated the catalytic activity (sirt1(Y/Y)) and their corresponding wild type littermates (WT) were fed a high fat diet (HFD, 60% calories from fat) for 34weeks...
August 5, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28789920/the-%C3%AF-carboxyl-group-of-7-ketocholesteryl-9-carboxynonanoate-mediates-the-binding-of-oxldl-to-cd36-receptor-and-enhances-caveolin-1-expression-in-macrophages
#6
Jingda Li, Chengjie Yu, Renjun Wang, Jianrong Xu, Yan Chi, Jianzhong Qin, Qingping Liu
CD36 signal transduction modulates the uptake of oxidized low-density lipoprotein (oxLDL) and foam cell formation. We previously observed that 7-ketocholesteryl-9-carboxynonanoate (oxLig-1), the lipid moiety of oxLDL, activates the CD36-Src-JNK/ERK1/2 signalling pathway. In this study, we assessed the role of the ω-carboxyl group in the binding of oxLig-1 to CD36 and investigated whether the binding of the ω-carboxyl group to CD36 triggers CD36-mediated signalling, thereby resulting in the upregulation of caveolin-1 expression...
August 5, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28781146/the-impact-of-foxo-1-to-cardiac-pathology-in-diabetes-mellitus-and-diabetes-related-metabolic-abnormalities
#7
Dimitry A Chistiakov, Alexander N Orekhov, Yuri V Bobryshev
Diabetic heart pathology has a serious social impact due to high prevalence worldwide and significant mortality/invalidation of diabetic patients suffered from cardiomyopathy. The pathogenesis of diabetic and diabetes-related cardiomyopathy is associated with progressive loss and impairment of cardiac function due to adverse effects of metabolic, prooxidant, proinflammatory, and pro-apoptotic stress factors. In the adult heart, the transcriptional factor forkhead box-1 (FOXO-1) is involved in maintaining cardiomyocytes in the homeostatic state and induction of their adaptation to metabolic and pro-oxidant stress stimuli...
August 2, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28775078/tlr2-plays-a-key-role-in-platelet-hyperreactivity-and-accelerated-thrombosis-associated-with-hyperlipidemia
#8
Sudipta Biswas, Alejandro Zimman, Detao Gao, Tatiana Byzova, Eugene Podrez
Rationale: Platelet hyperreactivity, which is common in many pathological conditions, is associated with increased atherothrombotic risk. The mechanisms leading to platelet hyperreactivity are complex and not yet fully understood. Objective: Platelet hyperreactivity and accelerated thrombosis, specifically in dyslipidemia, have been mechanistically linked to accumulation in the circulation of a specific group of oxidized phospholipids (oxPCCD36) that are ligands for the platelet pattern-recognition receptor CD36...
August 3, 2017: Circulation Research
https://www.readbyqxmd.com/read/28775043/oestrogen-inhibition-reverses-pulmonary-arterial-hypertension-and-associated-metabolic-defects
#9
Xinping Chen, Eric D Austin, Megha Talati, Joshua P Fessel, Eric H Farber-Eger, Evan L Brittain, Anna R Hemnes, James E Loyd, James West
Increased oestrogen is a strong epidemiological risk factor for development of pulmonary arterial hypertension (PAH) in patients, associated with metabolic defects. In addition, oestrogens drive penetrance in mice carrying mutations in bone morphogenetic protein receptor type II (BMPR2), the cause of most heritable PAH. The goal of the present study was to determine whether inhibition of oestrogens was effective in the treatment of PAH in these mice.The oestrogen inhibitors fulvestrant and anastrozole were used in a prevention and treatment paradigm in BMPR2 mutant mice, and tamoxifen was used for treatment...
August 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28770225/pegylated-curcumin-derivative-attenuates-hepatic-steatosis-via-creb-ppar-%C3%AE-cd36-pathway
#10
Yu Liu, Fei Cheng, Yuxuan Luo, Zhu Zhan, Peng Hu, Hong Ren, Huadong Tang, Mingli Peng
Curcumin has the potential to cure dyslipidemia and nonalcoholic fatty liver disease (NAFLD). However, its therapeutic effects are curbed by poor bioavailability. Our previous work has shown that modification of curcumin with polyethylene glycol (PEG) improves blood concentration and tissue distribution. This study sought to investigate the role of a novel PEGylated curcumin derivative (Curc-mPEG454) in regulating hepatic lipid metabolism and to elucidate the underlying molecular mechanism in a high-fat-diet- (HFD-) fed C57BL/6J mouse model...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28769058/characterisation-of-lung-macrophage-subpopulations-in-copd-patients-and-controls
#11
Jennifer A Dewhurst, Simon Lea, Elizabeth Hardaker, Josiah V Dungwa, Arjun K Ravi, Dave Singh
Lung macrophage subpopulations have been identified based on size. We investigated characteristics of small and large macrophages in the alveolar spaces and lung interstitium of COPD patients and controls. Alveolar and interstitial cells were isolated from lung resection tissue from 88 patients. Macrophage subpopulation cell-surface expression of immunological markers and phagocytic ability were assessed by flow cytometry. Inflammatory related gene expression was measured. Alveolar and interstitial macrophages had subpopulations of small and large macrophages based on size and granularity...
August 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28765876/exogenous-lipids-promote-the-growth-of-breast-cancer-cells-via-cd36
#12
Jing Zhao, Zheng Zhi, Chao Wang, Hanying Xing, Guangyao Song, Xian Yu, Yajun Zhu, Xing Wang, Xuemei Zhang, Yan Di
Cancer cells present sustained de novo fatty acid (FA) synthesis with increased production of saturated fatty acids (SFAs) and monounsaturated fatty acids (MUFAs). This change in FA metabolism is associated with overexpression of stearoyl-CoA desaturase 1 (SCD1), which catalyses the transformation of SFAs into MUFAs (e.g., oleic acid). In this study, we provide new evidence that SCD1 inhibition leads to the anti-proliferation effect of breast cancer cells through induction of apoptosis, cell cycle arrest and migration prevention...
August 1, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28761062/t2diacod-a-gene-atlas-of-type-2-diabetes-mellitus-associated-complex-disorders
#13
Jyoti Rani, Inna Mittal, Atreyi Pramanik, Namita Singh, Namita Dube, Smriti Sharma, Bhanwar Lal Puniya, Muthukurussi Varieth Raghunandanan, Ahmed Mobeen, Srinivasan Ramachandran
We performed integrative analysis of genes associated with type 2 Diabetes Mellitus (T2DM) associated complications by automated text mining with manual curation and also gene expression analysis from Gene Expression Omnibus. They were analysed for pathogenic or protective role, trends, interaction with risk factors, Gene Ontology enrichment and tissue wise differential expression. The database T2DiACoD houses 650 genes, and 34 microRNAs associated with T2DM complications. Seven genes AGER, TNFRSF11B, CRK, PON1, ADIPOQ, CRP and NOS3 are associated with all 5 complications...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28756107/s100a12-cd36-axis-a-novel-player-in-the-pathogenesis-of-atherosclerosis
#14
Jamileh Farokhzadian, Parvin Mangolian Shahrbabaki, Vahid Bagheri
S100A12 is a member of the S100 family of EF-hand calcium-binding proteins and have a variety of intracellular and extracellular activities. It exerts its proinflammatory effects by binding to the receptor for advanced glycation end products (RAGE) and Toll-like receptor 4 (TLR4). CD36 is a class B scavenger receptor that acts as a fatty acid transporter. Both S100A12 and CD36 are implicated in vascular inflammation and atherosclerosis. It has recently been demonstrated that S100A12 binds with high affinity to CD36...
July 26, 2017: Cytokine
https://www.readbyqxmd.com/read/28752767/differential-expression-of-fatty-acid-transporters-and-fatty-acid-synthesis-related-genes-in-crop-tissues-of-male-and-female-pigeons-columba-livia-domestica-during-incubation-and-chick-rearing
#15
P Xie, X-P Wan, Z Bu, X-T Zou
1. The growth performance of squabs reared solely by male or female parent pigeons was measured and the changes of lipid content of crop milk and the expression profiles of genes potentially involved in lipid accumulation by crop tissues of parent pigeons, were evaluated during incubation and chick rearing. 2. Squabs increased in body weight during 25 d of rearing, whereas both male and female pigeons lost weight after finishing rearing chicks, and the weight loss of male pigeons was significantly greater than that of female parent pigeons...
July 28, 2017: British Poultry Science
https://www.readbyqxmd.com/read/28741036/network-based-subcellular-proteomics-in-monocyte-membrane-revealed-novel-candidate-genes-involved-in-osteoporosis
#16
Y Zeng, L Zhang, W Zhu, H He, H Sheng, Q Tian, F-Y Deng, L-S Zhang, H-G Hu, H-W Deng
In this study, label-free-based quantitative subcellular proteomics integrated with network analysis highlighted several candidate genes including P4HB, ITGB1, CD36, and ACTN1 that may be involved in osteoporosis. All of them are predicted as significant membrane proteins with high confidence and enriched in bone-related biological process. The results were further verified in transcriptomic and genomic levels. INTRODUCTION: Osteoporosis is a metabolic bone disease mainly characterized by low bone mineral density (BMD)...
July 24, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28740132/absence-of-tissue-inhibitor-of-metalloproteinase-4-timp4-ameliorates-high-fat-diet-induced-obesity-in-mice-due-to-defective-lipid-absorption
#17
Siva S V P Sakamuri, Russell Watts, Abhijit Takawale, Xiuhua Wang, Samuel Hernandez-Anzaldo, Wesam Bahitham, Carlos Fernandez-Patron, Richard Lehner, Zamaneh Kassiri
Tissue inhibitor of metalloproteases (TIMPs) are inhibitors of matrix metalloproteinases (MMPs) that regulate tissue extracellular matrix (ECM) turnover. TIMP4 is highly expressed in adipose tissue, its levels are further elevated following high-fat diet, but its role in obesity is unknown. Eight-week old wild-type (WT) and Timp4-knockout (Timp4 (-/-)) mice received chow or high fat diet (HFD) for twelve weeks. Timp4 (-/-) mice exhibited a higher food intake but lower body fat gain. Adipose tissue of Timp4 (-/-) -HFD mice showed reduced hypertrophy and fibrosis compared to WT-HFD mice...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28736440/repin1-deficiency-in-adipose-tissue-improves-whole-body-insulin-sensitivity-and-lipid-metabolism
#18
N Hesselbarth, A Kunath, M Kern, M Gericke, N Mejhert, M Rydén, M Stumvoll, M Blüher, N Klöting
BACKGROUND/OBJECTIVES: Replication initiator 1 (Repin1) gene encodes for a zinc-finger protein and has been implicated in the regulation of adipocyte cell size and glucose transport in vitro. Here, we investigate the consequences of reduced adipose tissue (AT) Repin1 expression in vivo. SUBJECTS/METHODS: We have inactivated the Repin1 gene in adipose tissue (iARep(-/-)) at an age of four weeks using tamoxifen-inducible gene targeting strategies on the background of C57BL/6NTac mice...
July 24, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28733781/bitc-and-s-carvone-restrain-high-fat-diet-induced-obesity-and-ameliorate-hepatic-steatosis-and-insulin-resistance
#19
Sary Alsanea, Dexi Liu
PURPOSE: To investigate the preventative activity of benzyl isothiocyante and S-carvone against high-fat diet-induced obesity and metabolic complications. METHODS: Ten-week-old C57BL/6 male mice were fed a high-fat diet and injected intraperitoneally twice per week with benzyl isothiocyante, S-carvone, or vehicle for 8 weeks. The body weight, food intake, and body composition were monitored, and glucose tolerance and insulin tolerance tests were performed at the end of the experiment...
July 21, 2017: Pharmaceutical Research
https://www.readbyqxmd.com/read/28729885/cd36-overexpression-a-possible-etiopathogenic-mechanism-of-atherosclerosis-in-patients-with-prediabetes-and-diabetes
#20
M D Lopez-Carmona, M C Plaza-Seron, A Vargas-Candela, F J Tinahones, R Gomez-Huelgas, M R Bernal-Lopez
RATIONALE: CD36 is a scavenger receptor located on monocytes which is involved in foam cell transformation. AIM: To evaluate CD36 expression under different glycemic states in both healthy subjects and in atherosclerotic patients. SUBJECTS AND METHODS: In order to evaluate the possible effects of hyperglycemia on CD36 expression in healthy subjects, an in vitro experiment was carried out using monocyte in three different conditions: extreme hyperglycemia (HG), euglycemia (EG) and in the absence of glucose...
2017: Diabetology & Metabolic Syndrome
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