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Total 281 results found since Jan 2013.
Islr regulates insulin sensitivity by interacting with Psma4 to control insulin receptor alpha levels in obese mice
Int J Biochem Cell Biol. 2023 Apr 26:106420. doi: 10.1016/j.biocel.2023.106420. Online ahead of print.ABSTRACTInsulin resistance is the leading cause of type 2 diabetes (T2D), and dysfunctional insulin receptor signaling is a major manifestation of this insulin resistance. In T2D, the corresponding insulin receptor levels are aberrantly down-regulated, which is one of the major factors underlying obesity-induced insulin resistance in adipose tissue. However, the precise mechanism of insulin receptor impairment in obese individuals remains unclear. In the current study, we established that immunoglobulin superfamily contain...
Source: The International Journal of Biochemistry and Cell Biology - April 28, 2023 Category: Biochemistry Authors: Yuying Zhang Miaomiao Lan Chang Liu Tongtong Wang Chuncheng Liu Sen Wu Qingyong Meng Source Type: research
Chaperonin counteracts diet-induced non-alcoholic fatty liver disease by aiding sirtuin 3 in the control of fatty acid oxidation
Conclusion/interpretationMitochondrial HSP60 promotes fatty acid oxidation while repressing mitochondrial stress and inflammation to ameliorate the development of NAFLD by preserving SIRT3 signalling. This study reveals the hepatoprotective effects of HSP60 and indicates that HSP60 could play a fundamental role in the development of therapeutics for NAFLD or type 2 diabetes.Graphical abstract
Source: Diabetologia - March 24, 2023 Category: Endocrinology Source Type: research
STAT3 signaling promotes cardiac injury by upregulating NCOA4-mediated ferritinophagy and ferroptosis in high-fat-diet fed mice
In this study, we found that oleic acid/palmitic acid (OA/PA) increased the level of ferroptotic events including iron and ROS accumulation, upregulation of PTGS2 mRNA and protein levels, reduced SOD and GSH levels, and significant mitochondrial damage in H9C2 cells, which could be reversed by the ferroptosis inhibitor ferrostatin-1 (Fer-1). Intriguingly, we found that the autophagy inhibitor 3-methyladenine mitigated OA/PA-induced ferritin downregulation, iron overload and ferroptosis. OA/PA increased the protein level of NCOA4. Knockdown of NCOA4 by SiRNA partly reversed the reduction in ferritin, mitigated iron overload...
Source: Free Radical Biology and Medicine - March 20, 2023 Category: Biology Authors: Mengying Zhu Lulu Peng Shengqi Huo Dewei Peng Junyi Gou Wei Shi Jingwen Tao Tao Jiang Yue Jiang Qian Wang Bingyu Huang Lintong Men Sheng Li Jiagao Lv Li Lin Source Type: research
Saikosaponin d (SSD) alleviates diabetic peripheral neuropathy by regulating the AQP1/RhoA/ROCK signaling in streptozotocin-induced diabetic rats
ConclusionSSD alleviates STZ/HFD-induced DPN in rats by inhibiting the AQP1/RhoA/ROCK signaling pathway.
Source: Acta Diabetologica - March 15, 2023 Category: Endocrinology Source Type: research
Evaluation of an Integrin αvβ3 Radiotracer, 18FF-FPP-RGD2, for Monitoring Pharmacological Effects of Integrin αv siRNA in the NASH Liver
ConclusionThis study suggests that [18F]F-FPP-RGD2 PET imaging is a promising radiotracer for monitoring hepatic integrin αv protein levels and hepatic function in NASH pathology.
Source: Nuclear Medicine and Molecular Imaging - March 7, 2023 Category: Nuclear Medicine Source Type: research
Caveolin-1 ameliorates acetaminophen-aggravated inflammatory damage and lipid deposition in non-alcoholic fatty liver disease via the ROS/TXNIP/NLRP3 pathway
Int Immunopharmacol. 2023 Jan;114:109558. doi: 10.1016/j.intimp.2022.109558. Epub 2022 Dec 21.ABSTRACTThe overuse of acetaminophen (APAP) may cause more severe hepatotoxicity in patients with non-alcoholic fatty liver disease (NAFLD). Caveolin-1 (CAV1), is an essential regulator of metabolic function, which can alleviate liver damage by scavenging reactive oxygen species (ROS). Evidence suggests that the NOD-like receptor family pyrin domain-containing 3 (NLRP3) -mediated pyroptosis is involved in the development of NAFLD. Moreover, thioredoxin-interactive protein (TXNIP) activation is a key event linking ROS to NLRP3 infl...
Source: International Immunopharmacology - January 26, 2023 Category: Allergy & Immunology Authors: Xiangfu Jiang Yu Li Dongdong Fu Tingyu You Shuai Wu Jiao Xin Jiagen Wen Yan Huang Chengmu Hu Source Type: research
Endoplasmic Reticulum Stress-induced Endothelial Dysfunction Promotes Neointima Formation after Arteriovenous Grafts in Mice on High-fat Diet
ConclusionInhibiting ERS in ECs could improve the function of AVGs.
Source: Journal of Huazhong University of Science and Technology -- Medical Sciences -- - January 14, 2023 Category: Research Source Type: research
GSE222499 Liver-specific FGFR4 knockdown in mice on a HFD increases bile acid synthesis and improves hepatic steatosis II
Contributor : Softic SamirSeries Type : Expression profiling by high throughput sequencingOrganism : Mus musculusNonalcoholic fatty liver disease (NAFLD) is the most common chronic liver disease with increased risk in patients with metabolic syndrome. There are no FDA approved treatments, but farnesoid X receptor (FXR) agonists have shown promising results in clinical studies for NAFLD management. In addition to FXR, fibroblast growth factor receptor FGFR4 is a key mediator of hepatic bile acid synthesis. Using N-acetylgalactosamine-conjugated siRNA, we knocked down FGFR4 specifically in the liver of mice on chow or...
Source: GEO: Gene Expression Omnibus - January 11, 2023 Category: Genetics & Stem Cells Tags: Expression profiling by high throughput sequencing Mus musculus Source Type: research
Dnmt1/Tet2-mediated changes in Cmip methylation regulate the development of nonalcoholic fatty liver disease by controlling the Gbp2-Ppar γ-CD36 axis
Exp Mol Med. 2023 Jan 6. doi: 10.1038/s12276-022-00919-5. Online ahead of print.ABSTRACTDynamic alteration of DNA methylation leads to various human diseases, including nonalcoholic fatty liver disease (NAFLD). Although C-Maf-inducing protein (Cmip) has been reported to be associated with NAFLD, its exact underlying mechanism remains unclear. Here, we aimed to elucidate this mechanism in NAFLD in vitro and in vivo. We first identified alterations in the methylation status of the Cmip intron 1 region in mouse liver tissues with high-fat high-sucrose diet-induced NAFLD. Knockdown of DNA methyltransferase (Dnmt) 1 significant...
Source: Molecular Medicine - January 7, 2023 Category: Molecular Biology Authors: Jangho Lee Ji-Hye Song Jae-Ho Park Min-Yu Chung Seung-Hyun Lee Sae-Bom Jeon So Hee Park Jin-Taek Hwang Hyo-Kyoung Choi Source Type: research
