Corrigendum to “Interleukin-1β and tumor necrosis factor-α augment acidosis-induced rat articular chondrocyte apoptosis via nuclear factor-kappaB-dependent upregulation of ASIC1a channel” [Biochimica et Biophysica Acta 1864/1 (2018) 162–177]

Zhou, Renpeng; Dai, Bingbing; Xie, Yanan; Wu, Xiaoshan; Wang, Zhi-Sen; Li, Yue; Wang, Zhiqiang; Zu, Sheng-Qin; Ge, Jin‐Fang; Chen, Feihu

doi:10.1016/j.bbadis.2018.05.021

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“…TNF- α can lead to an increase in the synthesis and secretion of chemokines as well as cell adhesion molecule levels, thereby accelerating recruitment of lymphocytes and monocytes to the inflammatory site [ 31 ]. IL-1 β can activate chondrocytes and osteoclasts, leading to bone damage and bone resorption [ 32 ], and both of them can promote the apoptosis of chondrocytes [ 33 ]. In this study, we found that the BCII group had severe joint damage, and the content of TNF- α and IL-1 β apparently increased relative to control.…”

Section: Discussionmentioning

confidence: 99%

Alleviation of Rheumatoid Arthritis by Inducing IDO Expression with Trichinella spiralis Recombinant Protein 43

Ma,

Liu,

et al. 2024

Journal of Immunology Research

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Rheumatoid arthritis (RA) represents the autoimmune disorder that shows aggressive arthritis as the main symptom. It is difficult to treat and can lead to joint deformation and function loss. At present, Trichinella spiralis (T. spiralis) antigen has attracted much attention because it plays a role in host immune regulatory mechanisms. Therefore, we selected T. spiralis recombinant protein 43 (Tsp43) to treat the bovine collagen type II (BCII)-induced mice RA model and explored its therapeutic mechanisms. This work first verified that Tsp43 could promote the expression of indoleamine 2, 3-dioxygenase (IDO) in dendritic cells (DCs) in vitro. Then, we randomized BALB/c mice (8 weeks old) into six groups, including control, phosphate buffer saline (PBS), BCII, BCII + heat inactivated Tsp43 (HiTsp43), BCII + Tsp43, and BCII + Tsp43 + 1-methyl-troptophan (1-MT) groups. To determine the therapeutic effect of Tsp43 on the BCII-induced mice RA model, relevant cytokines in each group and pathological changes in ankle joints were detected. To explore the mechanisms of Tsp43 on the BCII-induced mice RA model, we checked the expression of IDO in each group, CD4+T cell proliferation, and apoptosis. Collectively, Tsp43 decreased tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) expression in BCII-induced mice RA model and recovered the ankle injury to a certain extent. Tsp43 promoted high expression of IDO, caused expression of related apoptotic proteins in CD4+T cells, and caused apoptosis in CD4+T cells. In addition, Tsp43 reduced the proliferation of CD4+T cells. However, these effects can be inhibited by 1-MT (IDO inhibitor). These results suggested that Tsp43 played an important role in the treatment of arthritis by inhibiting the proliferation of CD4+T cells and inducing CD4+T cells apoptosis through the high expression of IDO. The purpose of this experiment was to provide a new idea for the treatment of RA and lay a foundation for the development of parasite-derived drugs for the treatment of RA.

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Section: Discussionmentioning

confidence: 99%