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FABP4

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https://www.readbyqxmd.com/read/27928650/cytoglobin-a-potential-marker-for-adipogenic-differentiation-in-preadipocytes-in-vitro
#1
Ayşegül Doğan, Selami Demirci, Binnur Kıratlı, Fikrettin Şahin
Obesity, mainly characterized by the excess fat storage, is a global health problem resulting in serious morbidity and mortality. Identification of molecular mechanisms in adipogenic differentiation pathway might lead to development of new strategies for diagnosis, prevention and therapy of obesity and associated diseases. Discovery of new genes and proteins in the differentiation pathway could help to understand the key specific regulators of the adipogenesis. Cytoglobin (Cygb), identified as a new globin family member protein, is expressed in various tissues...
December 7, 2016: Cytotechnology
https://www.readbyqxmd.com/read/27914823/rapamycin-inhibits-the-proliferation-of-endothelial-cells-in-hemangioma-by-blocking-the-mtor-fabp4-pathway
#2
Ying Wang, Jiarui Chen, Weiqing Tang, Yanping Zhang, Xiaoyan Li
FABP4 is widely expressed in both normal and pathologic tissues. It promotes cell proliferation, survival and migration of endothelial cells, and therefore, angiogenesis. However, the role of FABP4 in hemangioma or hemangioma endothelial cells (HemECs) has not been explored. In this study, we investigated whether FABP4 directly regulates the proliferation of HemECs. The expression of cell cycle checkpoint genes was analyzed with the microarray data of human dermal microvascular endothelial cells (HDVECs) and infantile hemangioma endothelial cells...
November 30, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27905292/the-effect-of-iron-deficiency-on-the-temporal-changes-in-the-expression-of-genes-associated-with-fat-metabolism-in-the-pregnant-rat
#3
Susan M Hay, Harry J McArdle, Helen E Hayes, Valerie J Stevens, William D Rees
Iron is essential for the oxidative metabolism of lipids. Lipid metabolism changes during gestation to meet the requirements of the growing fetus and to prepare for lactation. The temporal effects of iron deficiency during gestation were studied in female rats fed complete or iron-deficient diets. Plasma triglycerides were elevated in the iron-deficient group throughout gestation. There were time-dependent changes in the triglyceride content of the maternal liver, falling at the midpoint of gestation and then increasing on d21...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27899990/microarray-analysis-of-differentially-expressed-genes-and-linker-genes-associated-with-the-molecular-mechanism-of-colorectal-cancer
#4
Xingjie Shen, Meng Yue, Fansheng Meng, Jingyu Zhu, Xiaoyan Zhu, Yakun Jiang
Colorectal cancer (CRC) is one of the most prevalent malignancies worldwide and remains the third leading cause of cancer-associated mortality. The present study aimed to fully elucidate the pathogenesis of CRC and identify associated genes in tumor development. Microarray GSE44076, GSE41328 and GSE44861 datasets were downloaded from the Gene Expression Omnibus database and integrated with meta-analysis. Differentially-expressed genes (DEGs) were identified from CRC samples compared with adjacent non-cancerous controls using the Limma package in R, followed by functional analysis using the Database for Annotation, Visualization, and Integrated Discovery online tool...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27885273/fatty-acid-binding-protein-fabp4-mechanistically-links-obesity-with-aggressive-aml-by-enhancing-aberrant-dna-methylation-in-aml-cells
#5
F Yan, N Shen, J X Pang, Y W Zhang, E Y Rao, A M Bode, A Al-Kali, D E Zhang, M R Litzow, B Li, S J Liu
Obesity is becoming more prevalent worldwide and is a major risk factor for cancer development. Acute myeloid leukemia (AML), the most common acute leukemia in adults, remains a frequently fatal disease. Here we investigated the molecular mechanisms by which obesity favors AML growth and uncovered the fatty acid-binding protein 4 (FABP4) and DNA methyltransferase 1 (DNMT1) regulatory axis that mediates aggressive AML in obesity. We showed that leukemia burden was much higher in high-fat diet-induced obese mice, which had higher levels of FABP4 and interleukin (IL)-6 in the sera...
December 2, 2016: Leukemia: Official Journal of the Leukemia Society of America, Leukemia Research Fund, U.K
https://www.readbyqxmd.com/read/27871949/cloning-and-characterization-of-fatty-acid-binding-proteins-fabps-from-japanese-seabass-lateolabraxjaponicus-liver-and-their-gene-expressions-in-response-to-dietary-arachidonic-acid-ara
#6
Houguo Xu, Yuanqin Zhang, Chengqiang Wang, Yuliang Wei, Keke Zheng, Mengqing Liang
In the present study, putative cDNA of five fabp isoforms, i.e., fabp1, fabp2, fabp3, fabp4, and fabp7, was cloned and characterized from the liver of Japanese seabass (Lateolabrax japonicus), and their expression in response to diets with different arachidonic acid (ARA) levels (0.05%, 0.22%, 0.37%, 0.60%, 1.38% and 2.32% of dry matter) was investigated following a feeding trial. The Japanese seabass fabps showed high identity to their orthologs in other fish species and mammals. However, a specific fabp of Japanese seabass showed much lower identity to other Japanese seabass fabps...
November 15, 2016: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/27865496/peroxisome-proliferator-activated-receptor-delta-facilitates-lipid-secretion-and-catabolism-of-fatty-acids-in-dairy-goat-mammary-epithelial-cells
#7
H B Shi, C H Zhang, W Zhao, J Luo, J J Loor
In rodents, peroxisome proliferator-activated receptor delta (PPARD) is associated primarily with catabolism of fatty acids. However, the role of PPARD in regulating lipid metabolism in ruminant mammary gland remains unknown. In the present study, we assessed the mRNA abundance of PPARD at 3 stages of lactation in goat mammary tissue. Results revealed that PPARD had lower expression at peak lactation than in the nonlactating period. Luciferase assays revealed that GW0742 (GW), a specific PPARD ligand, enhanced the activity of the PPARD response element in goat mammary epithelial cells...
November 16, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27864793/serum-fatty-acid-binding-protein-4-is-increased-in-patients-with-psoriasis
#8
A Baran, M Świderska, Joanna Bacharewicz-Szczerbicka, H Myśliwiec, I Flisiak
Psoriasis is associated with metabolic syndrome and cardiovascular disease. Fatty acid-binding proteins (FABP) have been recognized as predictors of these systemic disorders. The aim of this study was to assess correlations between levels of serum heart and adipocyte fatty acid-binding proteins (FABP3, FABP4) and disease severity, indicators of inflammation or metabolic disturbances, and topical treatment in psoriatic patients. Thirty-seven patients with relapse of plaque-type psoriasis and 16 healthy volunteers were recruited...
November 18, 2016: Lipids
https://www.readbyqxmd.com/read/27856250/ectopical-expression-of-fabp4-gene-can-induce-bovine-muscle-derived-stem-cells-adipogenesis
#9
Le Zhang, Yanfang Zhao, Yue Ning, Hongbao Wang, Linsen Zan
Fatty acid binding protein 4 (FABP4) plays a key role in Fatty acid catabolism in mammals. Findings from our previous studies have indicated that FABP4 neither affect the differentiation of bovine preadipocytes nor does it change the expression of upstream genes. To investigate whether ectopically expressed FABP4 can induces Muscle-Derived Stem Cells (MDSCs) lipid synthesis and understand the regulatory mechanism behind it. In this study, adenoviruses infection is achieved to ectopically expressed FABP4 in bovine MDSCs, RNA-seq analyses at the very early stages of induction were performed to reveal gene expression level changes during MDSCs transdifferentiation...
November 14, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27855315/dietary-sphingomyelin-attenuates-hepatic-steatosis-and-adipose-tissue-inflammation-in-high-fat-diet-induced-obese-mice
#10
Gregory H Norris, Caitlin M Porter, Christina Jiang, Courtney L Millar, Christopher N Blesso
Western-type diets can induce obesity and related conditions such as dyslipidemia, insulin resistance and hepatic steatosis. We evaluated the effects of milk sphingomyelin (SM) and egg SM on diet-induced obesity, the development of hepatic steatosis and adipose inflammation in C57BL/6J mice fed a high-fat, cholesterol-enriched diet for 10 weeks. Mice were fed a low-fat diet (10% kcal from fat) (n=10), a high-fat diet (60% kcal from fat) (HFD, n=14) or a high-fat diet modified to contain either 0.1% (w/w) milk SM (n=14) or 0...
October 24, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27847442/tonebp-suppresses-adipocyte-differentiation-via-modulation-of-early-signaling-in-3t3-l1-cells
#11
Soo Jin Kim, Taehee Kim, Han Na Choi, Eun Jung Cho, Jin Bong Park, Byeong Hwa Jeon, Sang Do Lee
TonEBP belongs to the Rel family of transcription factors and plays important roles in inflammation as well as kidney homeostasis. Recent studies suggest that TonEBP expression is also involved in differentiation of several cell types such as myocytes, chondrocytes, and osteocytes. In this study, we investigated the roles of TonEBP during adipocyte differentiation in 3T3-L1 cells. TonEBP mRNA and protein expression was dramatically reduced during adipocyte differentiation. Sustained expression of TonEBP using an adenovirus suppressed the formation of lipid droplets as well as the expression of FABP4, a marker of differentiated adipocytes...
November 2016: Korean Journal of Physiology & Pharmacology
https://www.readbyqxmd.com/read/27843198/regulation-of-autophagy-related-protein-and-cell-differentiation-by-high-mobility-group-box-1-protein-in-adipocytes
#12
Huanhuan Feng, Lili Yu, Guojun Zhang, Guoyan Liu, Can Yang, Hui Wang, Xiangfeng Song
High mobility group box 1 protein (HMGB1) is a molecule related to the development of inflammation. Autophagy is vital to maintain cellular homeostasis and protect against inflammation of adipocyte injury. Our recent work focused on the relationship of HMGB1 and autophagy in 3T3-L1 cells. In vivo experimental results showed that, compared with the normal-diet group, the high-fat diet mice displayed an increase in adipocyte size in the epididymal adipose tissues. The expression levels of HMGB1 and LC3II also increased in epididymal adipose tissues in high-fat diet group compared to the normal-diet mice...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27832864/impaired-adipose-tissue-lipid-storage-but-not-altered-lipolysis-contributes-to-elevated-levels-of-nefa-in-type-2-diabetes-degree-of-hyperglycemia-and-adiposity-are-important-factors
#13
Maria J Pereira, Stanko Skrtic, Petros Katsogiannos, Niclas Abrahamsson, Cherno O Sidibeh, Santosh Dahgam, Marianne Månsson, Ulf Risérus, Joel Kullberg, Jan W Eriksson
BACKGROUND: Elevated levels of circulating non-esterified fatty acids (NEFA) mediate many adverse metabolic effects. In this work we aim to determine the impact of type 2 diabetes (T2D), glycemic control and obesity on lipolysis regulation. DESIGN AND PARTICIPANTS: 20 control and 20 metformin-treated T2D subjects were matched for sex (10M/10 F), age (58±11 vs 58±9 y) and BMI (30.8±4.6 vs 30.7±4.9kg/m(2)). In vivo lipolysis was assessed during a 3h-OGTT with plasma glycerol and NEFA levels...
December 2016: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/27829312/cudc-907-promotes-bone-marrow-adipocytic-differentiation-through-inhibition-of-histone-deacetylase-and-regulation-of-cell-cycle
#14
Dalia Ali, Hassan Alshammari, Radhakrishnan Vishnubalaji, Elna Paul Chalisserry, Rimi Hamam, Musaed Alfayez, Moustapha Kassem, Abdullah Aldahmash, Nehad M Alajez
The role of bone marrow adipocytes (BMA) in overall energy metabolism and their effects on bone mass is currently an area of intensive investigation. BMA differentiate from bone marrow stromal cells (BMSCs), however, the molecular mechanisms regulating BMA differentiation are not fully understood. Herein, we investigated the effect of CUDC-907, identified by screening an epigenetics small-molecule library, on adipocytic differentiation of human BMSCs, and determined its molecular mechanism of action. hMSCs exposed to CUDC-907 (500 nM) exhibited enhanced adipocytic differentiation (~2...
November 9, 2016: Stem Cells and Development
https://www.readbyqxmd.com/read/27827939/effects-of-di-2-ethylhexyl-phthalate-on-lipid-metabolism-by-the-jak-stat-pathway-in-rats
#15
Yiyang Jia, Te Liu, Liting Zhou, Jian Zhu, Juan Wu, Di Sun, Jin Xu, Qi Wang, Huaiji Chen, Feng Xu, Yuezhu Zhang, Tianrong Zhang, Hongbo Liu, Lin Ye
The most widely used plasticizer, di-(2-ethylhexyl) phthalate (DEHP), is known to affect lipid metabolism and adipogenesis. We studied the effects of dietary DEHP exposure on metabolism in rats as well as the role of the JAK/STAT pathway in this process. Eighty rats were exposed to DEHP (0, 5, 50 and 500 mg/kg/d) through dietary intake for 4 weeks. We then collected blood samples, liver, and adipose tissues to detect modifications in the levels of serum lipids, leptin, adiponectin and insulin. JAK3, STAT5a and PPARγ expression were detected at both the gene and protein levels...
November 4, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27815650/development-of-a-three-dimensional-adipose-tissue-model-for-studying-embryonic-exposures-to-obesogenic-chemicals
#16
Rebecca Y Wang, Rosalyn D Abbott, Adam Zieba, Francis E Borowsky, David L Kaplan
Obesity is a rising issue especially in the United States that can lead to heart problems, type II diabetes, and respiratory problems. Since the 1970s, obesity rates in the United States have more than doubled in adults and children. Recent evidence suggests that exposure to certain chemicals, termed "obesogens," in utero may alter metabolic processes, predisposing individuals to weight gain. There is a need to develop a three-dimensional human tissue system that is able to model the effects of obesogens in vitro in order to better understand the impact of obesogens on early development...
November 4, 2016: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/27803314/promotion-of-adipogenesis-by-neuropeptide-y-during-the-later-stages-of-chicken-preadipocyte-differentiation
#17
Steven L Shipp, Mark A Cline, Elizabeth R Gilbert
Neuropeptide Y (NPY) promotes adipogenesis in both birds and mammals, although mechanisms in avians remain unclear. The objective of this study was thus to evaluate effects of NPY on chick preadipocyte proliferation and differentiation. Preadipocytes were treated with 0, 1, 10, or 100 nmol/L NPY and gene expression and cellular proliferation were evaluated at 12, 24, and 48 h. At 12 h posttreatment, mRNA abundance of topoisomerase II alpha (TOP2A), and thioredoxin-dependent peroxidase 2 was upregulated and NPY was downregulated in response to NPY (0 vs...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27796996/serum-adipocyte-fatty-acid-binding-protein-fabp4-levels-in-women-from-mexico-exposed-to-polycyclic-aromatic-hydrocarbons-pahs
#18
Ángeles C Ochoa-Martínez, Tania Ruíz-Vera, Lucia G Pruneda-Álvarez, Ana K González-Palomo, Claudia I Almendarez-Reyna, Francisco J Pérez-Vázquez, Iván N Pérez-Maldonado
Recent studies indicate that exposure to polycyclic aromatic hydrocarbons (PAHs) is a very important risk factor for the development of cardiovascular diseases (CVDs). Correspondingly, adipocyte-fatty acid binding protein (FABP4, also known as aP2 and AFABP) has been proposed as a new, meaningful and useful biomarker to predict metabolic and cardiovascular diseases. Therefore, the aim of this study was to evaluate serum FABP4 levels in Mexican women exposed to PAHs. Urinary 1-hydroxypyrene ((1-OHP), exposure biomarker for PAHs) levels were quantified using a high-performance liquid chromatography (HPLC) technique, and serum FABP4 concentrations were analyzed using a commercially available ELISA kit...
October 31, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27795298/fabp4-ap2-regulates-macrophage-redox-signaling-and-inflammasome-activation-via-control-of-ucp2
#19
Kaylee A Steen, Hongliang Xu, David A Bernlohr
Obesity-linked metabolic disease is mechanistically associated with the accumulation of proinflammatory macrophages in adipose tissue leading to increased reactive oxygen species (ROS) production and low-grade, chronic inflammation. Previous work has demonstrated that deletion of the adipocyte fatty acid-binding protein (FABP4/aP2) uncouples obesity from inflammation via up-regulation of the uncoupling protein 2 (UCP2). Herein we demonstrate that ablation of FABP4/aP2 regulates systemic redox capacity, reduces cellular protein sulfhydryl oxidation and in particular, oxidation of mitochondrial protein cysteine residues...
October 17, 2016: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/27792464/fermented-platycodon-grandiflorum-extract-inhibits-lipid-accumulation-in-3t3-l1-adipocytes-and-high-fat-diet-induced-obese-mice
#20
Yu-Hua Huang, Da-Woon Jung, Ok-Hwan Lee, Il-Jun Kang
The aim of this study was to investigate whether fermented Platycodon grandiflorum (FPG) inhibits lipid accumulation in 3T3-L1 adipocytes and mice with high-fat diet (HFD)-induced obesity. We evaluated the effect of FPG on antiadipogenic activity via regulation of peroxisome proliferator-activated receptor gamma (PPARγ) and CCAAT/enhancer-binding protein alpha (C/EBPα), as well as protein expression of their target genes, fatty acid binding protein 4 (FABP4). We further examined the antiobesity effects of FPG on HFD-induced obesity in mice...
October 28, 2016: Journal of Medicinal Food
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