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Contribution of adipocyte Na/K-ATPase α1/CD36 signaling induced exosome secretion in response to oxidized LDL
DISCUSSION: In this work, we report that CD36, a scavenger receptor for oxidized LDL, formed a signaling complex with another membrane signal transducer Na/K-ATPase in adipocytes. The atherogenic oxidized LDL induced a pro-inflammatory response in in vitro differentiated mouse and human adipocytes and also stimulated the cells to secrete more exosomes. This was largely blocked by either CD36 knockdown using siRNA or pNaKtide, a peptide inhibitor of Na/K-ATPase signaling. These results showed a critical role of the CD36/Na/K-ATPase signaling complex in oxidized LDL-induced adipocyte exosome secretion. Moreover, by co-incuba...
Source: Atherosclerosis - May 14, 2023 Category: Cardiology Authors: Sneha S Pillai Duane G Pereira Jue Zhang Wenxin Huang Mirza Ahmar Beg Darcy A Knaack Bruno de Souza Goncalves Daisy Sahoo Roy L Silverstein Joseph I Shapiro Komal Sodhi Yiliang Chen Source Type: research

Regulatory Effect of 1,25(OH)2D3 on TGF- β1 and miR-130b Expression in Streptozotocin-Induced Diabetic Nephropathy in Rats.
Conclusion: TGF-β1 can decrease the expression of miR-130b in kidney tissues of DN rats. Moreover, miR-130b may be involved in the protective effect of 1,25(OH)2D3 on renal fibrosis via TGF-β1. PMID: 31781203 [PubMed]
Source: International Journal of Endocrinology - December 1, 2019 Category: Endocrinology Tags: Int J Endocrinol Source Type: research

Auranofin, an Anti-rheumatic Gold Drug, Aggravates the Radiation-Induced Acute Intestinal Injury in Mice
Conclusion In this study, we found that a non-toxic dose of auranofin significantly aggravated the severity of the radiation-induced intestinal injury. This suggests that auranofin treatment can be an independent factor that influences the risk of intestinal complications after pelvic or abdominal radiotherapy. Ethics Statement All the protocols used in this study were approved by the Institutional Animal Care and Use Committee of the Korean Institute of Radiological and Medical Sciences (IACUC permit number: KIRAMS217-0007). Author Contributions H-JL, JS, and Y-BL designed the experiments. EL and JK conducted the exp...
Source: Frontiers in Pharmacology - April 23, 2019 Category: Drugs & Pharmacology Source Type: research

Resveratrol Promotes Diabetic Wound Healing via SIRT1-FOXO1-c-Myc Signaling Pathway-Mediated Angiogenesis
Conclusion: Our findings indicate that the positive role of RES in diabetic wound healing via its SIRT1-dependent endothelial protection and pro-angiogenic effects involves the inhibition of FOXO1 and the de-repression of c-Myc expression. Introduction Diabetes mellitus is a metabolic disease with an increasing incidence worldwide (Zimmet et al., 2014). The disease often leads to the development of serious complications such as microangiopathy, mainly including retinopathy, nephropathy, neuropathy, and diabetic non-healing skin ulcers (Zheng et al., 2018). Diabetic non-healing skin ulcers such as foot ulcers are ca...
Source: Frontiers in Pharmacology - April 23, 2019 Category: Drugs & Pharmacology Source Type: research

A Novel Regulator of Preadipocyte Differentiation, Transcription Factor TCF21, Functions Partially Through Promoting LPL Expression
Discussion Excessive fat deposition in chickens can result in many undesirable consequences within the poultry industry, including reduced feeding efficiency (Zhou et al., 2006) and decreased reproductive performance (Walzem and Chen, 2014). Thus, broiler breeders urgently require a more thorough understanding of the molecular mechanism governing chicken adipogenesis. We previously found that broilers from lean and fat lines exhibit clear differences in reproductive performance (Zhang et al., 2018). In addition, TCF21 was found to be related to testis growth and development in these broilers (Zhang et al., 2017). In mice ...
Source: Frontiers in Physiology - April 22, 2019 Category: Physiology Source Type: research

Genetic Regulation of Liver Metabolites and Transcripts Linking to Biochemical-Clinical Parameters
Conclusion In summary, this study is the first to combine metabolomics, transcriptomics, and genome-wide association studies in a porcine model. Our results improve understanding of the genetic regulation of metabolites which link to transcripts and finally biochemical-clinical parameters. Further, high-performance profiling of metabolites as intermediate phenotypes is a potentially powerful approach to uncover how genetic variation affects metabolic and health status. Our results advance knowledge in areas of biomedical and agricultural interest and identify potential correlates of biomarkers, SNPs-metabolites, SNPs-tran...
Source: Frontiers in Genetics - April 16, 2019 Category: Genetics & Stem Cells Source Type: research