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Transforming growth factor β1 promotes fibroblast-like synoviocytes migration and invasion via TGF-β1/Smad signaling in rheumatoid arthritis.
Abstract Migration and invasion are important characteristics of rheumatoid arthritis fibroblast-like synoviocytes (RA-FLSs), which are involved in joint damage and contribute to rheumatoid arthritis (RA) pathology. However, the underlying mechanisms remain unclear. Because epithelial-mesenchymal transition (EMT) is a key mechanism related to migration and invasion in cancer cells, we investigated the relationship between EMT and RA-FLSs and explored whether the transforming growth factor β1 (TGF-β1)/Smad signaling pathway is involved. In vivo, fibroblast-like synoviocytes (FLSs) were isolated from the synovium ...
Source: Molecular and Cellular Biochemistry - July 10, 2019 Category: Biochemistry Authors: Zhu D, Zhao J, Lou A, Huang Q, OuYang Q, Zhu J, Fan M, He Y, Ren H, Yang M Tags: Mol Cell Biochem Source Type: research

FKN Facilitates HK-2 Cell EMT and Tubulointerstitial Lesions via the Wnt/ β-Catenin Pathway in a Murine Model of Lupus Nephritis
In this study, we therefore examined whether FKN could stimulate the process of EMT, NF-kB, TGFβ, CCL22, F4/80, inflammation, and tubulointerstitial fibrosis in a murine model of LN. We also determined whether FKN was involved in the EMT process of Wnt/β-catenin-expressing HK-2 cells. Mechanistically, we ascertained, for the first time, whether FKN up-regulated EMT-related gene signatures (e.g., vimentin, α-SMA), and hence, renal tubulointerstitial fibrogenesis, and the role of the Wnt/β-catenin signaling pathway in this process. Materials and Methods Cell Culture, Stable Infection, and Gr...
Source: Frontiers in Immunology - April 29, 2019 Category: Allergy & Immunology Source Type: research