Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Tumour Necrosis Receptor Superfamily Interact with the Mitochondrial Dynamics in Adipose Tissue in Obese Patients without Type 2 Diabetes

Version 1 : Received: 12 August 2021 / Approved: 26 August 2021 / Online: 26 August 2021 (11:46:14 CEST)

A peer-reviewed article of this Preprint also exists.

Shunkina, D.; Komar, A.; Vulf, M.; Quang, H.V.; Shunkin, E.; Kirienkova, E.; Dakchnevich, A.; Malkov, D.; Zatolokin, P.; Litvinova, L. Tumor Necrosis Receptor Superfamily Interact with Fusion and Fission of Mitochondria of Adipose Tissue in Obese Patients without Type 2 Diabetes. Biomedicines 2021, 9, 1260. Shunkina, D.; Komar, A.; Vulf, M.; Quang, H.V.; Shunkin, E.; Kirienkova, E.; Dakchnevich, A.; Malkov, D.; Zatolokin, P.; Litvinova, L. Tumor Necrosis Receptor Superfamily Interact with Fusion and Fission of Mitochondria of Adipose Tissue in Obese Patients without Type 2 Diabetes. Biomedicines 2021, 9, 1260.

Journal reference: Biomedicines 2021, 9, 1260
DOI: 10.3390/biomedicines9091260

Abstract

Interactions between receptors and ligands of the tumor necrosis factor superfamily (TNFSF) provide costimulatory signals that control the survival, proliferation, differentiation, and effector function of immune cells. All components of the TNF superfamily are associated with NF-kB functions that are not limited to cell death and may promote survival in the face of adipose tissue inflammation in obesity. Inflammation and pro-inflammatory dysfunction of mitochondria are key factors associated with insulin resistance in obesity. The aim of the study was to analyze the relationship of soluble forms of receptors and ligands of the TNF superfam-ily in blood plasma with mitochondrial dynamics in adipose tissue (greater omentum (GO) and subcutaneous adipose tissue (Sat)) of obese patients with and without type 2 diabetes mellitus (T2DM). Increased plasma sTNF-R1, sTNF-R2, sTNFRSF8 receptors and ligands TNFSF12, TNFSF13, TNFSF13B are characteristic of obese patients without T2DM. Increases in TNFSF12, TNFSF13B, and sTNF-R1 levels are associated with decreased glucose concentration and decreased BMI in obese patients. The gene expression levels responsible for regulating mitochondrial dynamics were increased in obese patients without T2DM and were unbalanced in patients with obesity and T2DM.

Keywords

NF-kB; non-canonical NF-κB pathway; sTNFR2; sTNFSF8; sTNFSF13; mitochondrial dynamics; fission and fusion; TFAM

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