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目录号 : GC60628

BD750 is an immunosuppressant and a dual inhibitor of JAK3 and STAT5 that inhibits IL-2-induced JAK3/STAT5-dependent T cell proliferation with IC50 of 1.5 μM and 1.1 μM for mouse and human T-cell proliferation, respectively.

BD750 Chemical Structure

Cas No.:892686-59-8

规格 价格 库存 购买数量
5mg
¥540.00
现货
10mg
¥900.00
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25mg
¥1,620.00
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50mg
¥2,700.00
现货
100mg
¥4,500.00
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产品描述

BD750 is an immunosuppressant and a dual inhibitor of JAK3 and STAT5 that inhibits IL-2-induced JAK3/STAT5-dependent T cell proliferation with IC50 of 1.5 μM and 1.1 μM for mouse and human T-cell proliferation, respectively.

[1] Y Liu, et al. Br J Pharmacol. 2013 Feb;168(3):632-43.

Chemical Properties

Cas No. 892686-59-8 SDF
Canonical SMILES OC1=C2CCCCC2=NN1C3=NC4=CC=CC=C4S3
分子式 C14H13N3OS 分子量 271.34
溶解度 DMSO: 125 mg/mL (460.68 mM) 储存条件 Store at -20°C
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1 mM 3.6854 mL 18.4271 mL 36.8541 mL
5 mM 0.7371 mL 3.6854 mL 7.3708 mL
10 mM 0.3685 mL 1.8427 mL 3.6854 mL
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Research Update

BD750, a benzothiazole derivative, inhibits T cell proliferation by affecting the JAK3/STAT5 signalling pathway

Br J Pharmacol 2013 Feb;168(3):632-43.PMID:22906008DOI:10.1111/j.1476-5381.2012.02172.x.

Background and purpose: A series of benzothiazole derivatives were screened for immunosuppressive activity; of these compounds BD750 was found to be the most effective immunosuppressant. The purpose of the current study was to determine the immunosuppressive activity of BD750 on T cell proliferation and its potential mode of action. Experimental approach: T cell proliferation, CD25 and CD69 expression and cell cycle distribution were measured in vitro by flow cytometry. Cell viability was determined by CCK-8 assay. Cytokine levels were measured by elisa. The activation of signal-regulated molecules was assessed by Western blot analysis. The effects of BD750 were evaluated in vivo in a mouse model of delayed-type hypersensitivity. Key results: BD750 significantly inhibited mouse and human T cell proliferation, stimulated either by anti-CD3/anti-CD28 monoclonal antibodies or by an alloantigen, in a dose-dependent manner in vitro. No obvious cytotoxic effects of BD750 were observed in our experimental conditions. Furthermore, BD750 did not inhibit CD25 and CD69 expression or IL-2 and IL-4 secretion, but induced cell cycle arrest at the G(0) /G(1) phase in activated T cells. In IL-2-stimulated CTLL-2 cells and primary activated T cells, BD750 inhibited cell proliferation and STAT5 phosphorylation, but not Akt or p70S6K phosphorylation. BD750 also reduced the T cell-mediated delayed-type hypersensitivity response in mice in a dose-dependent manner. Conclusion and implications: These data indicate that BD750 inhibits IL-2-induced JAK3/STAT5-dependent T cell proliferation. BD750 has the potential to be used as a lead compound for the design and development of new immunosuppressants for preventing graft rejection and treating autoimmune diseases.

Tolerogenic dendritic cells induced by BD750 ameliorate proinflammatory T cell responses and experimental autoimmune encephalitis in mice

Mol Med 2017 Oct;23:204-214.PMID:28960227DOI:10.2119/molmed.2016.00110.

BD750, a novel JAK3/STAT5 inhibitor, can inhibit T cell proliferation. This study aims to evaluate whether BD750 can induce tolerogenic dendritic cells (tolDC) and their function in experimental autoimmune encephalitis (EAE) in mice. Following BD750 treatment, LPS-induced maturation of DC, allogeneic T cell proliferation, Th1 and Th17 cell functional differentiation, the STAT5 and AKT activation were determined. The effect of tolDC loaded with antigen peptide on the development and severity of EAE and their splenic Th1 and Th17 cell responses were determined. In comparison with LPS-induced mature DC (mDC), BD750 treatment induced tolDC with lower expression levels of costimulatory molecules and pro-inflammatory cytokines and lower levels of STAT5 phosphorylation. TolDC inhibited allogeneic T cell proliferation and reduced Th1 and Th17 responses. Adoptive transfer of tolDC loaded with MOG35-55 inhibited the development and severity of EAE in mice, accompanied by reduced numbers of inflammatory infiltrates and decreased levels of demyelination in the spinal cord tissues of mice. In addition, treatment with tolDC loaded with antigen peptide also significantly reduced the frequency of splenic Th1 and Th17 cells in EAE mice. The effects of tolDC were similar to that of the JAK/STAT inhibitor, CP690550-treated DC. In conclusion, treatment with BD750 induced tolDC that inhibited pro-inflammatory T cell immunity in vitro and in vivo. BD750 and tolDC may be valuable for development of new therapies for EAE and other autoimmune diseases.

Geniposide promotes splenic Treg differentiation to alleviate colonic inflammation and intestinal barrier injury in ulcerative colitis mice

Bioengineered 2022 Jun;13(6):14616-14631.PMID:36694912DOI:10.1080/21655979.2022.2092678.

Geniposide has been proven to have a therapeutic effect on ulcerative colitis (UC) in animals, but its potential mechanism in UC remains to be clarified. The purpose of this study was to confirm the efficacy of geniposide in UC and to investigate the possible mechanism of geniposide in UC treatment. In vivo, geniposide relieved weight loss and reduced intestinal tissue damage in UC mice. Geniposide decreased the levels of IL-1β and TNF-α and increased IL-10 levels in the colon and serum of UC mice. Geniposide increased FOXP3 expression in the colon and the number of CD4+ FOXP3+ cells in the spleen of UC mice. BD750 abolished the above regulatory effect of GE on UC mice. In vitro, geniposide increased the number of CD4+ FOXP3+ cells in spleen cells from normal mice, decreased the levels of IL-1β, CCL2 and TNF-α in the supernatant of LPS-treated Caco-2 cells, and decreased the protein expression of Beclin-1 and Occludin in cacO-2 cells. Epirubicin inhibited the effect of geniposide on increasing the number of CD4+ FOXP3+ cells in spleen cells, attenuated the inhibitory effect of geniposide on proinflammatory factors and attenuated the upregulation of geniposide on tight junction proteins in LPS-treated Caco-2 cells in the coculture system. In conclusion, geniposide has an effective therapeutic effect on UC. Increasing Treg differentiation of spleen cells is the mechanism by which geniposide alleviates intestinal inflammation and barrier injury in UC.