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Fatty acid binding protein

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https://www.readbyqxmd.com/read/28219837/chronic-maternal-calcium-and-25-hydroxyvitamin-d-deficiency-in-wistar-rats-programs-abnormal-hepatic-gene-expression-leading-to-hepatic-steatosis-in-female-offspring
#1
Sona S Sharma, Nivedita M Jangale, Abhay M Harsulkar, Medha K Gokhale, Bimba N Joshi
Importance of calcium and vitamin D deficiency is well established in adult dyslipidemia. We hypothesized that maternal calcium and vitamin D deficiency could alter offspring's lipid metabolism. Our objective was to investigate the effect of maternal dietary calcium and vitamin D deficiency on lipid metabolism and liver function of the F1 generation offspring. intergenerational calcium-deficient (CaD) and vitamin D-deficient (VDD) models were developed by mating normal male rats with deficient females and continuing maternal-deficient diets through pregnancy and lactation...
February 8, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28219719/cysteine-deprivation-prevents-induction-of-peroxisome-proliferator-activated-receptor-gamma-2-and-adipose-differentiation-of-3t3-l1-cells
#2
Nadia Nabil Haj-Yasein, Ole Berg, Fredrik Jernerén, Helga Refsum, Hilde I Nebb, Knut Tomas Dalen
Plasma cysteine is strongly associated with body fat mass in human cohorts and diets low in cysteine prevents fat accumulation in mice. It is unclear if plasma cysteine affects fat development or if fat accumulation raises plasma cysteine. To determine if cysteine affects adipogenesis, we differentiated 3T3-L1 preadipocytes in medium with reduced cysteine. Cells incubated in media with 10-20μM cysteine exhibited reduced capacity to differentiate into triacylglycerol-storing mature adipocytes compared with cells incubated with 50μM cysteine...
February 17, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28219080/survival-of-tissue-resident-memory-t-cells-requires-exogenous-lipid-uptake-and-metabolism
#3
Youdong Pan, Tian Tian, Chang Ook Park, Serena Y Lofftus, Shenglin Mei, Xing Liu, Chi Luo, John T O'Malley, Ahmed Gehad, Jessica E Teague, Sherrie J Divito, Robert Fuhlbrigge, Pere Puigserver, James G Krueger, Gökhan S Hotamisligil, Rachael A Clark, Thomas S Kupper
Tissue-resident memory T (TRM) cells persist indefinitely in epithelial barrier tissues and protect the host against pathogens. However, the biological pathways that enable the long-term survival of TRM cells are obscure. Here we show that mouse CD8(+) TRM cells generated by viral infection of the skin differentially express high levels of several molecules that mediate lipid uptake and intracellular transport, including fatty-acid-binding proteins 4 and 5 (FABP4 and FABP5). We further show that T-cell-specific deficiency of Fabp4 and Fabp5 (Fabp4/Fabp5) impairs exogenous free fatty acid (FFA) uptake by CD8(+) TRM cells and greatly reduces their long-term survival in vivo, while having no effect on the survival of central memory T (TCM) cells in lymph nodes...
February 20, 2017: Nature
https://www.readbyqxmd.com/read/28218738/adipogenic-niches-for-melanoma-cell-colonization-and-growth-in-bone-marrow
#4
Juan Wang, Guang-Liang Chen, Shan Cao, Ming-Chun Zhao, Yong-Qing Liu, Xiao-Xiang Chen, Cheng Qian
Bone marrow (BM) adipocytes are abundant in BM and may be involved in the process of bone metastasis. However, their behaviors in metastatic BM niches during bone metastasis have not been fully explored. In this study, intracardiac transplantation of B16-F10 melanoma cells into immunocompetent C57BL/6 mice was performed. Tibial marrow sections were stained with hematoxylin and eosin, Masson's trichrome, tartrate-resistant acid phosphatase, and fatty acid-binding protein 4 (FABP4) and analyzed using a histomorphometric system...
February 20, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/28214855/fatty-acid-binding-protein-4-in-endometrial-epithelium-is-involved-in-embryonic-implantation
#5
Peng Wang, Qiuyuan Zhu, Huilian Peng, Mengkai Du, Minyue Dong, Hanzhi Wang
AIMS: To clarify the role of fatty acid-binding protein 4 (FABP4) of endometrial epithelial cell in the establishment and maintenance of pregnancy and the involvement in the pathogenesis of pregnancy loss. METHODS: The expression of FABP4 and uterine receptive factor (LIF, Integrin-β3 and Claudin 4) was determined by Western blotting or quantitative PCR. FABP4 siRNA was used to silence FABP4 while FABP4 inhibitor was used to inhibit the function of FABP4 in endometrial epithelial cell...
January 30, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28214555/identification-of-a-fatty-acid-binding-protein4-ucp2-axis-regulating-microglial-mediated-neuroinflammation
#6
Cayla M Duffy, Hongliang Xu, Joshua P Nixon, David A Bernlohr, Tammy A Butterick
Hypothalamic inflammation contributes to metabolic dysregulation and the onset of obesity. Dietary saturated fats activate microglia via a nuclear factor-kappa B (NFκB) mediated pathway to release pro-inflammatory cytokines resulting in dysfunction or death of surrounding neurons. Fatty acid binding proteins (FABPs) are lipid chaperones regulating metabolic and inflammatory pathways in response to fatty acids. Loss of FABP4 in peripheral macrophages via either molecular or pharmacologic mechanisms results in reduced obesity-induced inflammation via a UCP2-redox based mechanism...
February 15, 2017: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/28212715/novel-biomarkers-of-heart-failure
#7
A Savic-Radojevic, M Pljesa-Ercegovac, M Matic, D Simic, S Radovanovic, T Simic
Although substantial improvements have been made in majority of cardiac disorders, heart failure (HF) remains a major health problem, with both increasing incidence and prevalence over the past decades. For that reason, the number of potential biomarkers that could contribute to diagnosis and treatment of HF patients is, almost exponentially, increasing over the recent years. The biomarkers that are, at the moment, more or less ready for use in everyday clinical practice, reflect different pathophysiological processes present in HF...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28212448/hepatic-transcriptome-analysis-and-identification-of-differentially-expressed-genes-response-to-dietary-oxidized-fish-oil-in-loach-misgurnus-anguillicaudatus
#8
Yin Zhang, Yang Li, Xiao Liang, Xiaojuan Cao, Longfei Huang, Jie Yan, Yanxing Wei, Jian Gao
RNA sequencing and short-read assembly were utilized to produce a transcriptome of livers from loaches (Misgurnus anguillicaudatus) fed with three different diets respectively containing fresh fish oil (FO group), medium oxidized fish oil (MO group) and high oxidized fish oil (HO group). A total of 60,663 unigenes were obtained in this study, with mean length 848.74 bp. 50,814, 49,584 and 49,814 unigenes were respectively obtained from FO, MO and HO groups. There were 2,343 differentially expressed genes between FO and MO, with 855 down- and 1,488 up-regulated genes in the MO group...
2017: PloS One
https://www.readbyqxmd.com/read/28212376/the-legionella-pneumophila-genome-evolved-to-accommodate-multiple-regulatory-mechanisms-controlled-by-the-csra-system
#9
Tobias Sahr, Christophe Rusniok, Francis Impens, Giulia Oliva, Odile Sismeiro, Jean-Yves Coppée, Carmen Buchrieser
The carbon storage regulator protein CsrA regulates cellular processes post-transcriptionally by binding to target-RNAs altering translation efficiency and/or their stability. Here we identified and analyzed the direct targets of CsrA in the human pathogen Legionella pneumophila. Genome wide transcriptome, proteome and RNA-Co-immunoprecipitaion followed by deep sequencing of a wild type and a csrA mutant strain identified 479 RNAs with potential CsrA interaction sites located in the untranslated and/or coding regions of mRNAs or of known non-coding sRNAs...
February 17, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28212343/oxyresveratrol-supplementation-to-c57bl-6-mice-fed-with-a-high-fat-diet-ameliorates-obesity-associated-symptoms
#10
Hui Yuan Tan, Iris Mei Ying Tse, Edmund Tsze Shing Li, Mingfu Wang
Oxyresveratrol has been proven effective in inhibiting adipogenesis in a 3T3-L1 cell model. We investigated the preventive effect of oxyresveratrol supplementation on obesity development in high-fat diet-fed mice. Male C57bl/6 mice were randomly subjected to control (5% fat by weight, LF), high-fat (30% fat by weight, HF), and high-fat supplemented with 0.25% and 0.5% oxyresveratrol (OXY1 and OXY2, respectively) diet groups for eight weeks. Oxyresveratrol supplementation effectively alleviated obesity-associated symptoms such as insulin resistance, hyperglycemia, and hepatic steatosis in high-fat diet-fed mice...
February 16, 2017: Nutrients
https://www.readbyqxmd.com/read/28211531/proteomic-analysis-of-urinary-extracellular-vesicles-from-high-gleason-score-prostate-cancer
#11
Kazutoshi Fujita, Hideaki Kume, Kyosuke Matsuzaki, Atsunari Kawashima, Takeshi Ujike, Akira Nagahara, Motohide Uemura, Yasushi Miyagawa, Takeshi Tomonaga, Norio Nonomura
Extracellular vesicles (EVs) are microvesicles secreted from various cell types. We aimed to discover a new biomarker for high Gleason score (GS) prostate cancer (PCa) in urinary EVs via quantitative proteomics. EVs were isolated from urine after massage from 18 men (negative biopsy [n = 6], GS 6 PCa [n = 6], or GS 8-9 PCa [n = 6]). EV proteins were labeled with iTRAQ and analyzed by LC-MS/MS. We identified 4710 proteins and quantified 3528 proteins in the urinary EVs. Eleven proteins increased in patients with PCa compared to those with negative biopsy (ratio >1...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28208054/high-glucose-induced-hypomethylation-promotes-binding-of-sp-1-to-myo-inositol-oxygenase-implication-in-the-pathobiology-of-diabetic-tubulopathy
#12
Isha Sharma, Rajesh K Dutta, Neel K Singh, Yashpal S Kanwar
The catabolic enzyme myo-inositol oxygenase (MIOX) is expressed in proximal tubules and up-regulated in the diabetic state. Previously, we reported its transcriptional and translation regulation by high glucose (HG), osmolytes, and fatty acids. However, its epigenetic regulation is unknown. Bisulfite sequencing revealed that both human and mouse MIOX promoters, enriched with CpG sites, are hypomethylated and unmethylated under HG ambience and hyperglycemic states associated with increased MIOX expression. Eletrophoretic mobility shift assays revealed increased binding of unmethylated oligos with nucleoproteins of cells maintained under HG...
February 13, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28204815/enzyme-treated-ecklonia-cava-extract-inhibits-adipogenesis-through-the-downregulation-of-c-ebp%C3%AE-in-3t3-l1-adipocytes
#13
In-Hye Kim, Taek-Jeong Nam
In this study, we examined the inhibitory effects of enzyme- treated Ecklonia cava (EEc) extract on the adipogenesis of 3T3-L1 adipocytes. The components of Ecklonia cava (E. cava) were first separated and purified using the digestive enzymes pectinase (Rapidase® X‑Press L) and cellulase (Rohament® CL). We found that the EEc extract contained three distinct phlorotannins: eckol, dieckol and phlorofucofuroeckol-A. Among the phlorotannins, dieckol was the most abundant in the EEc extract at 16 mg/g. Then we examined the inhibitory effects of EEc extract treatment on differentiation‑related transcription factors and on adipogenesis‑related gene expression in vitro using 3T3-L1 adipocytes...
March 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28202541/coordinate-regulation-of-yeast-sterol-regulatory-element-binding-protein-srebp-and-mga2-transcription-factors
#14
Risa Burr, Emerson V Stewart, Peter J Espenshade
The Mga2 and Sre1 transcription factors regulate oxygen-responsive lipid homeostasis in the fission yeast Schizosaccharomyces pombe in a manner analogous to the mammalian Sterol Regulatory Element-Binding Protein transcription factors SREBP-1 and SREBP-2. Mga2 and SREBP-1 regulate triacylglycerol and glycerophospholipid synthesis, while Sre1 and SREBP-2 regulate sterol synthesis. In mammals, a shared activation mechanism allows for coordinate regulation of SREBP-1 and SREBP-2. In contrast, distinct pathways activate fission yeast Mga2 and Sre1...
February 15, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28198412/a-screening-strategy-for-the-discovery-of-drugs-that-reduce-c-ebp%C3%AE-lip-translation-with-potential-calorie-restriction-mimetic-properties
#15
Mohamad A Zaini, Christine Müller, Tobias Ackermann, Jeanette Reinshagen, Gertrud Kortman, Ole Pless, Cornelis F Calkhoven
An important part of the beneficial effects of calorie restriction (CR) on healthspan and lifespan is mediated through regulation of protein synthesis that is under control of the mechanistic target of rapamycin complex 1 (mTORC1). As one of its activities, mTORC1 stimulates translation into the metabolic transcription factor CCAAT/Enhancer Binding Protein β (C/EBPβ) isoform Liver-specific Inhibitory Protein (LIP). Regulation of LIP expression strictly depends on a translation re-initiation event that requires a conserved cis-regulatory upstream open reading frame (uORF) in the C/EBPβ-mRNA...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28197733/relationship-between-exercise-capacity-and-urinary-liver-type-fatty-acid-binding-protein-in-middle-aged-and-older-individuals
#16
Keisei Kosaki, Atsuko Kamijo-Ikemori, Takeshi Sugaya, Koichiro Tanahashi, Hiroshi Kumagai, Yuriko Sawano, Nobuhiko Akazawa, Song-Gyu Ra, Kenjiro Kimura, Yugo Shibagaki, Seiji Maeda
BACKGROUND: The underlying mechanism linking the decline in exercise capacity with renal dysfunction remains unclear. Urinary liver-type fatty acid-binding protein (L-FABP) levels reflect the degree of peritubular capillary blood flow, an important factor for renal dysfunction with aging. The aim of this study was to examine the relationship between exercise capacity and urinary L-FABP levels. METHODS: This was a cross-sectional study of 187 middle-aged and older individuals (aged 50-83 years) without chronic kidney disease (CKD)...
February 14, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28195642/functional-mucous-layer-and-healing-of-proximal-colonic-anastomoses-in-an-experimental-model
#17
J W A M Bosmans, A C H M Jongen, G M H Birchenough, E E L Nyström, M J J Gijbels, J P M Derikx, N D Bouvy, G C Hansson
BACKGROUND: Anastomotic leakage (AL) is the most dreaded complication after colorectal surgery, causing high morbidity and mortality. Mucus is a first line of defence against external factors in the gastrointestinal tract. In this study, the structural mucus protein Muc2 was depleted in genetically engineered mice and the effect on healing of colonic anastomoses studied in an experimental model. METHODS: Mice of different Muc2 genotypes were used in a proximal colonic AL model...
February 13, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28194261/gelidium-amansii-extract-ameliorates-obesity-by-down-regulating-adipogenic-transcription-factors-in-diet-induced-obese-mice
#18
Ji-Hye Kang, Hyun-Ah Lee, Hak-Ju Kim, Ji-Sook Han
BACKGROUND/OBJECTIVES: In this study, we investigated whether Gelidium amansii extract (GAE) ameliorates obesity in diet-induced obese (DIO) mice. MATERIALS/METHODS: The mice were maintained on a high-fat diet (HD) for 5 weeks to generate the DIO mouse model. And then mice fed HD plus 0.5% (GAE1), 1% (GAE2) or 2% (GAE3) for 8 weeks. RESULTS: After the experimental period, GAE-supplemented groups were significantly lower than the HD group in body weight gain and liver weight...
February 2017: Nutrition Research and Practice
https://www.readbyqxmd.com/read/28191471/lipids-a-suitable-therapeutic-target-in-diabetic-neuropathy
#19
REVIEW
M C Perez-Matos, M C Morales-Alvarez, C O Mendivil
Diabetic polyneuropathy (DPN) encompasses multiple syndromes with a common pathogenesis. Glycemic control shows a limited correlation with DPN, arguing in favor of major involvement of other factors, one of which is alterations of lipid and lipoprotein metabolism. Consistent associations have been found between plasma triglycerides/remnant lipoproteins and the risk of DPN. Studies in cultured nerve tissue or in murine models of diabetes have unveiled mechanisms linking lipid metabolism to DPN. Deficient insulin action increases fatty acids flux to nerve cells, inducing mitochondrial dysfunction, anomalous protein kinase C signaling, and perturbations in the physicochemical properties of the plasma membrane...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28188435/marked-increase-in-urinary-excretion-of-apolipoproteins-in-children-with-nephrolithiasis-associated-with-hypercalciuria
#20
Larisa Kovacevic, Hong Lu, Joseph A Caruso, Tuhina Govil-Dalela, Ronald Thomas, Yegappan Lakshmanan
BACKGROUND: Using a proteomic approach, we aimed to identify and compare the urinary excretion of proteins involved in lipid transport and metabolism in children with kidney stones and hypercalciuria (CAL), hypocitraturia (CIT), and normal metabolic work-up (NM), and in healthy controls (HCs). Additionally, we aimed to confirm these results using ELISA, and to examine the relationship between the urinary excretion of selected proteins with demographic, dietary, blood, and urinary parameters...
February 10, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
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