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Fatty acid binding protein

Masaaki Yanishi, Hidefumi Kinoshita, Takao Mishima, Hisanori Taniguchi, Kenji Yoshida, Yoshihiro Komai, Kaneki Yasuda, Masato Watanabe, Motohiko Sugi, Tadashi Matsuda
PURPOSE: Urinary biomarkers of renal injury urinary may identify loss of renal function following nephron-sparing surgery (NSS). This study was designed to evaluate whether urinary l-type fatty acid-binding protein (l-FABP) is an early biomarker of loss of renal function after NSS. Specifically, the kinetics of urinary l-FABP level after NSS and its correlation with factors related to ischemic renal injury were analyzed. METHODS: This study prospectively evaluated 18 patients who underwent NSS between July and December 2014, including 12 who underwent laparoscopic and six who underwent robot-assisted partial nephrectomy...
October 21, 2016: Renal Failure
Kosuke Kawaguchi, Masashi Morita
ATP-binding cassette (ABC) transporters are one of the largest families of membrane-bound proteins and transport a wide variety of substrates across both extra- and intracellular membranes. They play a critical role in maintaining cellular homeostasis. To date, four ABC transporters belonging to subfamily D have been identified. ABCD1-3 and ABCD4 are localized to peroxisomes and lysosomes, respectively. ABCD1 and ABCD2 are involved in the transport of long and very long chain fatty acids (VLCFA) or their CoA-derivatives into peroxisomes with different substrate specificities, while ABCD3 is involved in the transport of branched chain acyl-CoA into peroxisomes...
2016: BioMed Research International
Hiroya Kano, Hiroaki Takahashi, Takeshi Inoue, Hiroshi Tanaka, Yutaka Okita
INTRODUCTION: Intestinal fatty acid-binding protein (I-FABP) is increasingly employed as a highly specific marker of intestinal necrosis. However, the value of this marker associated with cardiovascular surgery with hypothermic circulatory arrest is unclear. The aim of this study was to measure serum I-FABP levels and provide the transition of I-FABP levels with hypothermic circulatory arrest to help in the management of intestinal perfusion. METHODS: From August 2011 to September 2013, 33 consecutive patients who had aortic arch surgery with hypothermic circulatory arrest or heart valve surgery performed were enrolled in the study...
October 19, 2016: Perfusion
Zi Lin, Zheng-Feng Wu, Cui-Hua Jiang, Qing-Wen Zhang, Sheng Ouyang, Chun-Tao Che, Jian Zhang, Zhi-Qi Yin
BACKGROUND: Hepatic steatosis (HS) is the early stage of nonalcoholic fatty liver disease which is caused by impaired hepatic lipid homeostasis. Cyclocarya paliurus, an herbal tea consumed in China, has been demonstrated to ameliorate abnormal lipid metabolism for the treatment of metabolic diseases. PURPOSE: We aimed to investigate the regulative effect of chloroform extract from Cyclocarya paliurus (ChE) on treatment of HS, as well as key factors involved in hepatic lipid metabolism...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Yan Wang, Jian-Shu Hu, Huang-Quan Lin, Tsz-Ming Ip, David Chi-Cheong Wan
BACKGROUND: Traditionally, molecular docking is primarily employed to screen pure compounds; the top-ranking chemicals are subsequently selected for experimental validation. Unlike synthetic chemicals, most natural products are commercially unavailable. The isolation and purification of each natural product is extremely time-consuming, which has restricted the screening of lead compounds from natural products. PURPOSE: We developed a protocol, Herbalog, to facilitate the identification of bioactive phytochemicals through molecular docking...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Amalia Pérez-Jiménez, Eva E Rufino-Palomares, Nieves Fernández-Gallego, M Carmen Ortuño-Costela, Fernando J Reyes-Zurita, Juan Peragón, Leticia García-Salguero, Khalida Mokhtari, Pedro P Medina, José A Lupiáñez
BACKGROUND: Metabolic syndrome is a set of pathologies among which stand out the obesity, which is related to the lipid droplet accumulation and changes to cellular morphology regulated by several molecules and transcription factors. Maslinic acid (MA) is a natural product with demonstrated pharmacological functions including anti-inflammation, anti-tumor and anti-oxidation, among others. PURPOSE: Here we report the effects of MA on the adipogenesis process in 3T3-L1 cells...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Su Jin Lee, Jeong Han Kang, Da Eun Lee, Min Jeong Nam, Hyun-Shik Lee, Oh-Shin Kwon
Chronic alcohol consumption causes hepatic steatosis, which is characterized by a considerable increase in free fatty acid (FFA) and triglyceride levels. To identify the possible proteins involved in the progression to alcoholic hepatosteatosis, we performed proteomic analysis on livers of mice exposed to alcohol. 2D-based proteomic analysis revealed that EtOH exposure in mice changed the expression of 43 proteins compared with that in mice fed a normal diet (ND). The most notable protein changes were proteins involved in Met metabolism and oxidative stress, most of which were significantly downregulated in alcohol-exposed animals...
October 20, 2016: Journal of Cellular Biochemistry
Bonglee Kim, Moon-Jea Woo, Chul-Soo Park, Sang-Hun Lee, Jin-Soo Kim, Boim Kim, Seho An, Sung-Hoon Kim
Hovenia dulcis Thunb. (HDT) was known to have anti-fatigue, anti-diabetes, neuroprotective, and hepatoprotective effects. In the present study, the anti-fatty liver mechanism of HDT was elucidated in oleic acid (OA)-treated Hep G2 cells and acute hyperlipidemia mouse model using Triton WR-1339. Here, HDT activated p-AMP-activated protein kinase (p-AMPK), proliferator activated receptor-α, carnitine palmitoyltransferase and also inhibited the expression of lipogenesis and cholesterol synthesis proteins, such as 3-hydroxy-3-methylglutaryl-CoA reductase, sterol regulatory element binding protein-1c, SREBP-2, and fatty acid synthase in OA-treated Hep G2 cells...
October 20, 2016: Phytotherapy Research: PTR
Michelle Ma Kip, Lotte Mg Steuten, Hendrik Koffijberg, Maarten J IJzerman, Ron Kusters
Early health technology assessment can provide insight in the potential cost-effectiveness of new tests to guide further development decisions. This can increase their potential benefit but often requires evidence which is lacking in early test development stages. Then, expert elicitation may be used to generate evidence on the impact of tests on patient management. This is illustrated in a case study on a new triple biomarker test (copeptin, heart-type fatty acid binding protein, and high-sensitivity troponin [HsTn]) at hospital admission...
October 19, 2016: Journal of Evaluation in Clinical Practice
Shinichi Hikasa, Megumi Yasuda, Kyoko Hideta, Mai Kawakami, Satoshi Higasa, Akihiro Sawada, Tazuko Tokugawa, Takeshi Kimura
BACKGROUND: Renal dysfunction is recognized with increasing frequency among the noninfectious comorbidities associated with human immunodeficiency virus (HIV) infection. Urinary liver-type fatty acid-binding protein (L-FABP) has been shown to be a new biomarker to screen for not only tubulointerstitial damage but also kidney dysfunction. METHODS: We performed a cross-sectional study to determine the association between the urinary L-FABP and chronic kidney disease (CKD) among 77 HIV-infected Japanese patients by backward-stepwise multivariable logistic regression...
October 19, 2016: Clinical and Experimental Nephrology
Yuko Ohta, Azusa Ishizuka, Hisatomi Arima, Shinichiro Hayashi, Yoshio Iwashima, Masatsugu Kishida, Fumiki Yoshihara, Satoko Nakamura, Yuhei Kawano
Uric acid (UA) has been associated with hypertension, renal disease and cardiovascular disease. The aim of the present study was to compare the UA-lowering effects of a standard dose of the UA synthesis inhibitor febuxostat to a standard dose of the uricosuric agent benzbromarone, and to investigate the effects of a low-dose combination of both agents in hypertensive patients with hyperuricemia. Twenty hypertensive patients with inadequate UA control were administered febuxostat 40 mg (Feb), benzbromarone 50 mg (Ben) and febuxostat 20 mg and benzbromarone 25 mg (feb/ben) for 3 months each in a randomized modified crossover manner...
October 20, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
Evangelos Giannitsis, Hugo A Katus
BACKGROUND: Pulmonary embolism (PE) is associated with high all-cause and PE-related mortality and requires individualized management. After confirmation of PE, a refined risk stratification is particularly warranted among normotensive patients. Previous prognostic models favored combinations of echocardiography or computed tomography suggestive of right ventricular (RV) dysfunction together with biomarkers of RV dysfunction (natriuretic peptides) or myocardial injury (cardiac troponins) to identify candidates for thrombolysis or embolectomy...
October 19, 2016: Clinical Chemistry
Da Zhou, Bing-Hang Li, Jing Wang, Yong-Nian Ding, Yan Dong, Yuan-Wen Chen, Jian-Gao Fan
BACKGROUND: Prolyl oligopeptidase (POP) is a serine endopeptidase that is widely distributed in vivo, particularly in the liver. Significant changes in functional mitochondrial proteins involved with mitochondrial oxidoreductases/transporters and nucleic acid binding proteins were observed after POP inhibition in the liver, which suggested a role of POP in regulating liver energy metabolism. Steatosis in nonalcoholic fatty liver disease (NAFLD) is associated with disturbances in lipid and energy metabolism in hepatocytes...
2016: PloS One
Ji-Won Lee, Bill X Huang, HeungSun Kwon, Md Abdur Rashid, Giorgi Kharebava, Abhishek Desai, Samarjit Patnaik, Juan Marugan, Hee-Yong Kim
Docosahexaenoic acid (DHA, 22:6n-3) is an omega-3 fatty acid essential for proper brain development. N-docosahexaenoylethanolamine (synaptamide), an endogenous metabolite of DHA, potently promotes neurogenesis, neuritogenesis and synaptogenesis; however, the underlying molecular mechanism is not known. Here, we demonstrate orphan G-protein coupled receptor 110 (GPR110, ADGRF1) as the synaptamide receptor, mediating synaptamide-induced bioactivity in a cAMP-dependent manner. Mass spectrometry-based proteomic characterization and cellular fluorescence tracing with chemical analogues of synaptamide reveal specific binding of GPR110 to synaptamide, which triggers cAMP production with low nM potency...
October 19, 2016: Nature Communications
Sree Vamsee Chintapalli, Srinivas Jayanthi, Prema L Mallipeddi, Ravi Kumar Gundampati, Suresh Kumar Thallapuranam Krishnaswamy, Damian B van Rossum, Andriy Anishkin, Sean H Adams
Previous research has indicated that long-chain fatty acids can bind myoglobin (Mb) in an oxygen dependent manner. This suggests that Oxy-Mb may play an important role in fuel delivery in Mb-rich muscle fibers (e.g., type I fibers and cardiomyocytes), and raises the possibility that Mb also serves as an acylcarnitine binding protein. We report for the first time the putative interaction and affinity characteristics for different chain lengths of both fatty acids and acylcarnitines with Oxy-Mb using molecular dynamic simulations and isothermal titration calorimetry experiments...
October 7, 2016: Journal of Biological Chemistry
Irina G Tikhonova
Five G protein-coupled receptors (GPCRs) have been identified to be activated by free fatty acids (FFA). Among them, FFA1 (GPR40) and FFA4 (GPR120) bind long-chain fatty acids, FFA2 (GPR43) and FFA3 (GPR41) bind short-chain fatty acids and GPR84 binds medium-chain fatty acids. Free fatty acid receptors have now emerged as potential targets for the treatment of diabetes, obesity and immune diseases. The recent progress in crystallography of GPCRs has now enabled the elucidation of the structure of FFA1 and provided reliable templates for homology modelling of other FFA receptors...
October 19, 2016: Handbook of Experimental Pharmacology
Yoshitsugu Iwakura, Ryo Morimoto, Kumi Kikuchi, Yoshikiyo Ono, Yuta Tezuka, Yasuko Tsukada, Masahiro Nezu, Yasuhiro Igarashi, Masataka Kudo, Akira Nishiyama, Sadayoshi Ito, Fumitoshi Satoh
OBJECTIVE: High prevalence of renal damage has been demonstrated in patients with primary aldosteronism (PA). However, the original mechanism and onset still be elucidated. The purpose of this study is to investigate the possible original mechanisms of renal damages in PA. DESIGN AND METHOD: Consecutive 72 patients with aldosterone producing adenoma (APA) and 70 patients with essential hypertension (EH) participated. No patients had renal damages defined as eGFR (based on Cystatin C) < 60 ml/min/1...
September 2016: Journal of Hypertension
A J Cox, P Zhang, D W Bowden, B Devereaux, P M Davoren, A W Cripps, N P West
AIM: Relationships between the intestinal microbiota, intestinal permeability and inflammation in the context of risk for obesity-associated disease continue to be of interest. The aim of the study was to examine the associations between intestinal permeability and type 2 diabetes (T2D). METHODS: A total of 130 individuals with T2D (age: 57.5±6.2 years (mean±SD); BMI: 30.4±3.2; 45% female) and 161 individuals without T2D (age: 37.4±12.5 years; BMI: 25.1±3.9; 65% female) were included in the study...
October 10, 2016: Diabetes & Metabolism
Dan Ouyang, Lifeng Xu, Lihua Zhang, Dongguang Guo, Xiaotong Tan, Xiaofang Yu, Junjie Qi, Yaqiong Ye, Qihong Liu, Yongjiang Ma, Yugu Li
MicroRNAs are highly conserved non-coding small RNAs participating in almost all kinds of biological activities. MiR-181a has been reported to be involved in the differentiation of porcine primary preadipocytes, but the profound effect of miR-181a-5p on 3T3-L1 adipocyte differentiation and proliferation is still unclear. In this study, we found that supplementation of miR-181a-5p in 3T3-L1 cells significantly promoted the adipogenesis and inhibited cell proliferation with increased expression of adipogenic marker genes including peroxisome proliferator-activated receptor gamma (Pparγ), CCAAT/enhancer-binding protein alpha (C/ebpα), fatty acid-binding protein 4 (Fabp4), and Adiponectin, accompanied by an accumulation of lipid droplet, an increase of triglyceride content, and a decrease of cell proliferation...
October 14, 2016: Acta Biochimica et Biophysica Sinica
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