Mechano growth factor-E regulates apoptosis and inflammatory responses in fibroblast-like synoviocytes of knee osteoarthritis

International Orthopaedics
Haibin LiLi Yang

Abstract

This study investigated whether mechano growth factor-E (MGF-E) peptide can regulate apoptosis and inflammation responses in fibroblast-like synoviocytes of osteoarthritis (OA). A (3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium, inner salt) (MTS) assay was performed to evaluate cytotoxic effects of exogenous MGF-E peptide on OA fibroblast-like synoviocytes (OA-FLS). Quantitative real-time polymerase chain reaction (qRT-PCR) was used to check messenger RNA (mRNA) expression levels of lysyl oxidase (LOX) family members (LOX) after OA-FLS treatment using MGF-E peptide. A 5-ethynyl-2'-deoxyuridine (EdU) incorporation assay was performed to identify the influence of MGF-E peptide on proliferation OA-FLS proliferation. Western blot was used to detect biomarkers of endoplasmic reticulum (ER) stress and inflammatory cytokines. Exogenous MGF-E peptide has no obvious cytotoxic effects on OA-FLS and promotes LOX expression in OA-FLS, induce apoptosis and ER stress and down-regulate protein levels of tumour necrosis factor alpha (TNF-α) and interleukin-1 beta (IL-1β). Our results suggest that MGF-E peptide possesses potential anti-inflammatory effects, induces cell apoptosis and facilitates repair ...Continue Reading

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Citations

Jun 10, 2017·Journal of Tissue Engineering and Regenerative Medicine·Yang SongLi Yang
Jul 2, 2019·Experimental and Therapeutic Medicine·Min TangCheng-Song He
Jul 28, 2020·Biomolecules·Rozalia Laczko, Katalin Csiszar
Jun 15, 2021·Frontiers in Medicine·Li ZhangJun Mao

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