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https://www.readbyqxmd.com/read/28781774/level-of-dietary-energy-and-2-4-thiazolidinedione-alter-molecular-and-systemic-biomarkers-of-inflammation-and-liver-function-in-holstein-cows
#1
Afshin Hosseini, Mustafa Salman, Zheng Zhou, James K Drackley, Erminio Trevisi, Juan J Loor
BACKGROUND: The objective of the study was to evaluate the effect of overfeeding a moderate energy diet and a 2,4-thiazolidinedione (TZD) injection on blood and hepatic tissue biomarkers of lipid metabolism, oxidative stress, and inflammation as it relates to insulin sensitivity. RESULTS: Fourteen dry non-pregnant cows were fed a control (CON) diet to meet 100% of NRC requirements for 3 wk, after which half of the cows were assigned to a moderate-energy diet (OVE) and half of the cows continued on CON for 6 wk...
2017: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/28752045/angiopoietin-like-4-directs-uptake-of-dietary-fat-away-from-adipose-during-fasting
#2
Emily M Cushing, Xun Chi, Kelli L Sylvers, Shwetha K Shetty, Matthew J Potthoff, Brandon S J Davies
OBJECTIVE: Angiopoietin-like 4 (ANGPTL4) is a fasting-induced inhibitor of lipoprotein lipase (LPL) and a regulator of plasma triglyceride metabolism. Here, we examined the kinetics of Angptl4 induction and tested the hypothesis that ANGPTL4 functions physiologically to reduce triglyceride delivery to adipose tissue during nutrient deprivation. METHODS: Gene expression, LPL activity, and triglyceride uptake were examined in fasted and fed wild-type and Angptl4(-/-) mice...
August 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28745316/elevation-of-adenylate-energy-charge-by-angiopoietin-like-4-enhances-epithelial-mesenchymal-transition-by-inducing-14-3-3%C3%AE-expression
#3
Z Teo, M K Sng, J S K Chan, M M K Lim, Y Li, L Li, T Phua, J Y H Lee, Z W Tan, P Zhu, N S Tan
Metastatic cancer cells acquire energy-intensive processes including increased invasiveness and chemoresistance. However, how the energy demand is met and the molecular drivers that coordinate an increase in cellular metabolic activity to drive epithelial-mesenchymal transition (EMT), the first step of metastasis, remain unclear. Using different in vitro and in vivo EMT models with clinical patient's samples, we showed that EMT is an energy-demanding process fueled by glucose metabolism-derived adenosine triphosphate (ATP)...
July 24, 2017: Oncogene
https://www.readbyqxmd.com/read/28743803/the-glucocorticoid-angptl4-ceramide-axis-induces-insulin-resistance-through-pp2a-and-pkc%C3%AE
#4
Tzu-Chieh Chen, Daniel I Benjamin, Taiyi Kuo, Rebecca A Lee, Mei-Lan Li, Darryl J Mar, Damian E Costello, Daniel K Nomura, Jen-Chywan Wang
Chronic glucocorticoid exposure is associated with the development of insulin resistance. We showed that glucocorticoid-induced insulin resistance was attenuated upon ablation of Angptl4, a glucocorticoid target gene encoding the secreted protein angiopoietin-like 4, which mediates glucocorticoid-induced lipolysis in white adipose tissue. Through metabolomic profiling, we revealed that glucocorticoid treatment increased hepatic ceramide concentrations by inducing enzymes in the ceramide synthetic pathway in an Angptl4-dependent manner...
July 25, 2017: Science Signaling
https://www.readbyqxmd.com/read/28740178/angiopoietin-like-4-induces-a-%C3%AE-catenin-mediated-upregulation-of-id3-in-fibroblasts-to-reduce-scar-collagen-expression
#5
Ziqiang Teo, Jeremy Soon Kiat Chan, Han Chung Chong, Ming Keat Sng, Chee Chong Choo, Glendon Zhi Ming Phua, Daniel Jin Rong Teo, Pengcheng Zhu, Cleo Choong, Marcus Thien Chong Wong, Nguan Soon Tan
In adult skin wounds, collagen expression rapidly re-establishes the skin barrier, although the resultant scar is aesthetically and functionally inferior to unwounded tissue. Although TGFβ signaling and fibroblasts are known to be responsible for scar-associated collagen production, there are currently no prophylactic treatments for scar management. Fibroblasts in crosstalk with wound keratinocytes orchestrate collagen expression, although the precise paracrine pathways involved remain poorly understood. Herein, we showed that the matricellular protein, angiopoietin-like 4 (ANGPTL4), accelerated wound closure and reduced collagen expression in diabetic and ANGPTL4-knockout mice...
July 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28733963/peroxisome-proliferator-activated-receptor-gamma-expression-in-peripheral-blood-mononuclear-cells-and-angiopoietin-like-protein-4-levels-in-obese-children-and-adolescents
#6
Z A Sadeghabadi, M Nourbakhsh, M Alaee, B Larijani, M Razzaghy-Azar
PURPOSE: The peroxisome proliferator-activated receptor γ (PPARγ) is highly expressed in adipose tissue and functions as transcriptional regulator of metabolism and adipocyte differentiation. Angiopoietin-like protein 4 (ANGPTL4), a central player in various aspects of energy homoeostasis, is induced by PPARγ. The aim of this study was to evaluate ANGPTL4 plasma levels and PPARγ gene expression in peripheral blood mononuclear cells (PBMCs) of children and adolescents with obesity and their association with metabolic parameters...
July 21, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28733267/angptl4-promotes-bile-acid-absorption-during-taurocholic-acid-supplementation-via-a-mechanism-dependent-on-the-gut-microbiota
#7
Aafke W F Janssen, Wieneke Dijk, Jos Boekhorst, Folkert Kuipers, Albert K Groen, Sabina Lukovac, Guido J E J Hooiveld, Sander Kersten
Angiopoietin-like 4 (ANGPTL4) raises plasma triglyceride levels by inhibiting lipoprotein lipase. A set of compounds that are able to reduce plasma triglyceride levels are bile acids (BA). Because BA have been shown to decrease ANGPTL4 secretion by intestinal cells, we hypothesized that BA lower plasma triglycerides (partly) via ANGPTL4. To test that hypothesis, wild-type and Angptl4(-/-) mice were fed chow supplemented with taurocholic acid (TCA) for seven days. TCA supplementation effectively lowered plasma triglycerides in wild-type and Angptl4(-/-) mice, indicating that ANGPTL4 is not required for plasma triglyceride-lowering by BA...
July 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28708595/angptl4-promotes-the-progression-of-cutaneous-melanoma-to-brain-metastasis
#8
Sivan Izraely, Shlomit Ben-Menachem, Orit Sagi-Assif, Tsipi Meshel, Diego M Marzese, Shuichi Ohe, Inna Zubrilov, Metsada Pasmanik-Chor, Dave S B Hoon, Isaac P Witz
In an ongoing effort to identify molecular determinants regulating melanoma brain metastasis, we previously identified Angiopoietin-like 4 (ANGPTL4) as a component of the molecular signature of such metastases.The aim of this study was to determine the functional significance of ANGPTL4 in the shaping of melanoma malignancy phenotype, especially in the establishment of brain metastasis.We confirmed that ANGPTL4 expression is significantly higher in cells metastasizing to the brain than in cells from the cutaneous (local) tumor from the same melanoma in a nude mouse xenograft model, and also in paired clinical specimens of melanoma metastases than in primary melanomas from the same patients...
July 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28680385/angiopoietin-like-protein-4-potentiates-dats-induced-inhibition-of-proliferation-migration-and-invasion-of-bladder-cancer-ej-cells-involvement-of-g2-m-phase-cell-cycle-arrest-signaling-pathways-and-transcription-factors-mediated-mmp-9-expression
#9
Seung-Shick Shin, Jun-Hui Song, Byungdoo Hwang, Sung Lyea Park, Won Tae Kim, Sung-Soo Park, Wun-Jae Kim, Sung-Kwon Moon
Background: Diallyl trisulfide (DATS), a bioactive sulfur compound in garlic, has been highlighted due to its strong anti-carcinogenic activity. Objective: The current study investigated the molecular mechanism of garlic-derived DATS in cancer cells. Additionally, we explored possible molecular markers to monitoring clinical responses to DATS-based chemotherapy. Design: EJ bladder carcinoma cells were treated with different concentration of DATS. Molecular changes including differentially expressed genes in EJ cells were examined using immunoblot, FACS cell cycle analysis, migration and invasion assays, electrophoresis mobility shift assay (EMSA), microarray, and bioinformatics analysis...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28666253/tgf-%C3%AE-2-induced-angptl4-expression-promotes-tumor-progression-and-osteoclast-differentiation-in-giant-cell-tumor-of-bone
#10
Bo Li, Ming Qian, Hao Cao, Qi Jia, Zhipeng Wu, Xinghai Yang, Tianyi Ma, Haifeng Wei, Tianrui Chen, Jianru Xiao
Although emerging studies have implicated that Aiopoietin-like 4 Protein (ANGPTL4) is related to the aggressiveness and metastasis of many tumors, the role of ANGPLT4 in giant cell tumor (GCT) of bone was rarely investigated. The mechanism of ANGPLT4 in tumor-induced osteoclastogenesis still remains unclear. In this study, we first demonstrated that ANGPTL4 was highly expressed in GCT compared to normal tissues, while we showed that TGF-β2 released by osteoclasts induced bone resorption could increase the expression of ANGPTL4 in GCTSCs...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28645936/angiopoietin-like-protein-4-is-a-high-density-lipoprotein-hdl-component-for-hdl-metabolism-and-function-in-nondiabetic-participants-and-type-2-diabetic-patients
#11
Long-Yan Yang, Cai-Guo Yu, Xu-Hong Wang, Sha-Sha Yuan, Li-Jie Zhang, Jia-Nan Lang, Dong Zhao, Ying-Mei Feng
BACKGROUND: ANGPTL4 (angiopoietin-like protein 4) is a LPL (lipoprotein lipase) inhibitor and is present in high-density lipoprotein (HDL). However, it is not defined whether ANGPTL4 in HDLs could affect HDL metabolism and function in type 2 diabetes mellitus (T2DM). METHODS AND RESULTS: ANGPTL4 levels in the circulation and HDLs were quantified in nondiabetic participants (n=201, 68.7% females) and T2DM patients (n=185, 66.5% females). HDLs were isolated from nondiabetic controls and T2DM patients to assess cholesterol efflux or subjected to endothelial lipase (EL)-overexpressed HEK293 cells for EL hydrolysis in vitro...
June 23, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28641978/angptl4-t266m-variant-is-associated-with-reduced-cancer-invasiveness
#12
Zhen Wei Tan, Ziqiang Teo, Carol Tan, Chee Chong Choo, Wei Sheng Loo, Yiyang Song, Zhi Yang Tam, Sean Pin Ng, Hong Zheng Koh, Yi Siang Ng, Susana Geifman Shochat, Yin Hoe Yau, Pengcheng Zhu, Nguan Soon Tan
Angiopoietin-like 4 (ANGPTL4) is a secretory protein that can be cleaved to form an N-terminal and a C-terminal protein. Studies performed thus far have linked ANGPTL4 to several cancer-related and metabolic processes. Notably, several point mutations in the C-terminal ANGPTL4 (cANGPTL4) have been reported, although no studies have been performed that ascribed these mutations to cancer-related and metabolic processes. In this study, we compared the characteristics of tumors with and without wild-type (wt) cANGPTL4 and tumors with cANGPTL4 bearing the T266M mutation (T266M cANGPTL4)...
June 19, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28574600/diallyl-trisulfides-a-natural-histone-deacetylase-inhibitor-attenuate-hif-1%C3%AE-synthesis-and-decreases-breast-cancer-metastasis
#13
Zhonghong Wei, Yunlong Shan, Li Tao, Yuping Liu, Zhijie Zhu, Zhaoguo Liu, Yuanyuan Wu, Wenxing Chen, Aiyun Wang, Yin Lu
Intratumoral hypoxia promotes the distant metastasis of cancer subclones. The clinical expression level of hypoxia-inducible factor-1α (HIF-1α) reflects the prognosis of a variety of cancers, especially breast cancer. Histone deacetylase (HDAC) inhibitors can target HIF-1α protein due to von Hippel-Lindau protein-dependent degradation. Dietary organosulfur compounds, such as those in garlic, have been reported as HDAC inhibitors. The effects of diallyl sulfide (DAS), diallyl disulfide (DADS) and diallyl trisulfide (DATS) on the ratio of firefly/Renilla luciferase activity in hypoxic MDA-MB-231 cells were determined...
June 2, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28560449/hypoxia-induced-angiopoietin-like-protein-4-as-a-clinical-biomarker-and-treatment-target-for-human-prostate-cancer
#14
Shinro Hata, Takeo Nomura, Kazunori Iwasaki, Ryuta Sato, Mutsushi Yamasaki, Fuminori Sato, Hiromitsu Mimata
Angiopoietin-like protein 4 (ANGPTL4) is a multifunctional protein, playing roles in glucose and lipid metabolism, inflammation, angiogenesis, and tumorigenesis. Recent research suggests that ANGPTL4 is induced by hypoxia and is a useful diagnostic or prognostic marker for various cancers. However, it remains unclear whether ANGPTL4 expression influences prostate cancer. Here we examined the biological and clinical relevance of ANGPTL4 expression in prostate cancer. Firstly we examined ANGPTL4 expression in the prostate cancer cell lines LNCaP and LNCaP/CH incubated at 1% O2 for at least 6 months...
May 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28528274/angiopoietin-like-8-angptl8-controls-adipocyte-lipolysis-and-phospholipid-composition
#15
Raghavendra Mysore, Gerhard Liebisch, You Zhou, Vesa M Olkkonen, P A Nidhina Haridas
Angiopoietin-like 8 (Angptl8) inhibits lipolysis in the circulation together with Angplt3 and controls post-prandial fat storage in white adipose tissue (WAT). It is strongly induced by insulin in vivo in WAT and in vitro in adipocytes. In this study we addressed the function of Angptl8 in adipocytes by its stable lentivirus-mediated knock-down in 3T3-L1 cells, followed by analyses of triglyceride (TG) storage, lipid droplet (LD) morphology, the cellular lipidome, lipolysis, and gene expression. Depletion of Angptl8 did not drastically affect the adipocyte differentiation of 3T3-L1 cells but resulted in a moderate (18-19%) reduction of stored TGs...
May 18, 2017: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/28515432/high-salt-intake-negatively-regulates-fat-deposition-in-mouse
#16
Huanxian Cui, Shuyan Yang, Maiqing Zheng, Ranran Liu, Guiping Zhao, Jie Wen
High-salt (HS) intake contributes to hypertension and cardiopathy, but the effect of HS on fat deposition is controversial. Feed intake, fat mass, the percentage of abdominal fat, heat production, rate of oxygen consumption and the respiratory exchange ratio of mice on a HS diet were significantly decreased (P < 0.01 or 0.05) compared with mice on a normal-salt (NS) diet. An in vitro experiment with differentiating pre-adipocytes showed reduced fat deposition in the presence of high concentrations of NaCl (>0...
May 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28502512/metreleptin-therapy-lowers-plasma-angiopoietin-like-protein-3-in-patients-with-generalized-lipodystrophy
#17
Ranganath Muniyappa, Brent S Abel, Asha Asthana, Mary F Walter, Elaine K Cochran, Alan T Remaley, Monica C Skarulis, Phillip Gorden, Rebecca J Brown
BACKGROUND: Reduced triglyceride clearance due to impaired lipoprotein lipase-mediated lipolysis contributes to severe hypertriglyceridemia in lipodystrophy. Angiopoietin-like protein 3 (ANGPTL3) and 4 (ANGPTL4) impair clearance of triglycerides by inhibiting lipoprotein lipase. Whether circulating ANGPTL3/4 levels are altered in lipodystrophy and the effects of leptin replacement on these ANGPTLs are unknown. OBJECTIVE: To examine if ANGPTL3/4 levels are elevated in patients with generalized lipodystrophy and assess the effects of leptin replacement on these ANGPTLs...
March 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28468008/effect-of-maxing-shigan-tang-on-h1n1-influenza-a-virus-associated-acute-lung-injury-in-mice
#18
Yanchun Zhong, Jie Zhou, Ning Liang, Bihao Liu, Ruirui Lu, Yu He, Chunlin Liang, Junbiao Wu, Yuan Zhou, Miaomiao Hu, Jiuyao Zhou
OBJECTIVE: This study is aimed at examining the effects of Maxing Shigan Tang (MST) treatment on H1N1-associated acute lung injury (ALI) and exploring the possible mechanism. MATERIAL AND METHODS: Mice were randomly divided into a control group, model group, peroxisomal proliferator activator receptor γ (PPARγ) inhibition group (PPARγ-), PPARγ activation group (PPARγ+), and MST group. Influenza A (H1N1) virus of the Fort Monmouth 1 (FM1) strain was used to induce an ALI mice model...
2016: Intervirology
https://www.readbyqxmd.com/read/28458654/multiple-roles-of-angiopoietin-like-4-in-osteolytic-disease
#19
REVIEW
Helen J Knowles
Hypoxia and the hypoxia-inducible factor (HIF) transcription factor drive pathological bone loss in conditions including rheumatoid arthritis (RA), osteoarthritis, osteoporosis, primary bone tumours, and bone metastatic cancer. There is therefore considerable interest in determining the function(s) of HIF-induced genes in these pathologies. Angiopoietin-like 4 (ANGPTL4) is an adipose-derived, HIF-1α- and PPARγ-induced gene that was originally discovered as an endocrine and autocrine/paracrine regulator of lipid metabolism...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28441404/angiopoietin-like-4-and-minimal-change-disease
#20
Gabriel Cara-Fuentes, Alfons Segarra, Cecilia Silva-Sanchez, Heiman Wang, Miguel A Lanaspa, Richard J Johnson, Eduardo H Garin
BACKGROUND: Minimal Change Disease (MCD) is the most common type of nephrotic syndrome in children. Angiopoietin-like-4 (Angplt4) has been proposed as mediator of proteinuria in MCD. The aim of this study was to evaluate the role of Angptl4 as a biomarker in MCD. METHODS: Patients with biopsy-proven primary MCD, focal segmental glomerulosclerosis, membranous nephropathy (60, 52 and 52 respectively) and 18 control subjects had urinary and serum Angptl4 measured by Elisa...
2017: PloS One
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