ArticleBioMed research international2013
Role of Rheum Polysaccharide in the cytokines produced by peripheral blood monocytes in TLR4 mediated HLA-B27 associated AAU.
Article in BioMed research international, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed, 7 citations in OpenAlex.
- Polysaccharides extracted from Rheum tanguticum ameliorate radiation-induced enteritis via activation of Nrf2/HO-1.Journal of radiation research · 2021Article
- A study of the key genes and inflammatory signaling pathways involved in HLA-B27-associated acute anterior uveitis families.International journal of molecular medicine · 2018Article
- Leucine-Rich Repeat Kinase 2 Influences Fate Decision of Human Monocytes Differentiated from Induced Pluripotent Stem Cells.PloS one · 2016Article
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Authors and funding
5 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
purposeTo evaluate the effect of a traditional Chinese medicine, Rheum Polysaccharide (RP), on the in vitro production of tumor necrosis factor alpha (TNF- α ) and interleukin-10 (IL-10) by lipopolysaccharide- (LPS-)stimulated human monocytes from HLA-B27 associated acute anterior uveitis patients of convalescence stage.
methodPBMC samples were isolated from 10 HLA-B27 associated acute anterior uveitis, incubated, respectively, and divided into 4 groups as follows: (1) controls, PBS was added in final concentration of 1 mg·L⁻¹, (2) stimulated by LPS, LPS was added in final concentration of 1 mg·L⁻¹, (3) stimulated by LPS + HTA125, 30 minutes before the adding of LPS in final concentration of 1 mg·L⁻¹, the final concentration of 5 mg·L⁻¹ of the HTA125 was added, and (4) stimulated by LPS + RP, 30 minutes before the adding of LPS in final concentration 1 mg·L⁻¹, the final concentration 100 mg·L⁻¹ of the RP was added. Supernatants were used to quantify the amounts of TNF- α and IL-10 released in time course using enzyme-linked immunosorbent assay (ELISA).
resultAfter stimulated by lps, the concentrations of TNF- α and IL-10 in culture supernatants of patients are significantly higher than control group at all time points (P < 0.01). Blockage of TLR-4 by HTA125 can decrease the production of TNF- α and IL-10 compared with lps group (P < 0.01, except at 4 h group of IL-10). Concentration of TNF- α and IL-10 also decreases in the LPS + RP group (P < 0.01) but not so significantly as in the LPS + HTA125 group.
conclusionAs anti-TLR4 monoclonal antibodies, rheum Polysaccharide can also inhibit the secretion of cytokines produced by monocytes from HLA-B27 positive AAU patients of convalescence stage.
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