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Genistein modulate immune responses in collagen-induced rheumatoid arthritis model. 2008

Jingxuan Wang, and Qingyuan Zhang, and Shi Jin, and Dongning He, and Shu Zhao, and Shuling Liu
Department of Medical Oncology, Tumor Hospital of Harbin Medical University, Harbin, China.

OBJECTIVE Natural medicines derived from plants are drawing more and more interest in the prevention and treatment of diseases because of their unique characteristics, which include having fewer adverse effects and being more suitable for long-term use compared with synthesized chemicals. To explore the potentially health-promoting role of genistein, we used a rat model of rheumatoid arthritis (RA) induced by a subplantar injection of collagen. METHODS In collagen-induced rheumatoid arthritis (CIA) rat model, their immunomodulatory activity on rat peripheral blood mononuclear cells (PBMC) was evaluated. Lymphocyte transformation was evaluated by MTT immunoassay, secretion of interferon-gamma (IFN-gamma) and interleukin 4 (IL-4) by enzyme-linked immunosorbent assay (ELISA), and expression of T-bet and GATA-3 by PCR. RESULTS The results showed that genistein modulated a Th1-predominant immune response because they significantly suppressed the secretion of IFN-gamma and augmented the IL-4 production, showed its immune modulation role of keeping the Th1/Th2 balance. CONCLUSIONS Accordingly, genistein could play a role in reducing RA-induced inflammation and affecting the immune system in powerful ways.

UI MeSH Term Description Entries
D007249 Inflammation A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function. Innate Inflammatory Response,Inflammations,Inflammatory Response, Innate,Innate Inflammatory Responses
D007371 Interferon-gamma The major interferon produced by mitogenically or antigenically stimulated LYMPHOCYTES. It is structurally different from TYPE I INTERFERON and its major activity is immunoregulation. It has been implicated in the expression of CLASS II HISTOCOMPATIBILITY ANTIGENS in cells that do not normally produce them, leading to AUTOIMMUNE DISEASES. Interferon Type II,Interferon, Immune,gamma-Interferon,Interferon, gamma,Type II Interferon,Immune Interferon,Interferon, Type II
D004195 Disease Models, Animal Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases. Animal Disease Model,Animal Disease Models,Disease Model, Animal
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001172 Arthritis, Rheumatoid A chronic systemic disease, primarily of the joints, marked by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Etiology is unknown, but autoimmune mechanisms have been implicated. Rheumatoid Arthritis
D015847 Interleukin-4 A soluble factor produced by activated T-LYMPHOCYTES that induces the expression of MHC CLASS II GENES and FC RECEPTORS on B-LYMPHOCYTES and causes their proliferation and differentiation. It also acts on T-lymphocytes, MAST CELLS, and several other hematopoietic lineage cells. B-Cell Growth Factor-I,B-Cell Stimulatory Factor-1,Binetrakin,IL-4,Mast Cell Growth Factor-2,B Cell Stimulatory Factor-1,B-Cell Growth Factor-1,B-Cell Proliferating Factor,B-Cell Stimulating Factor-1,B-Cell Stimulatory Factor 1,BCGF-1,BSF-1,IL4,MCGF-2,B Cell Growth Factor 1,B Cell Growth Factor I,B Cell Proliferating Factor,B Cell Stimulating Factor 1,B Cell Stimulatory Factor 1,Interleukin 4,Mast Cell Growth Factor 2
D017207 Rats, Sprague-Dawley A strain of albino rat used widely for experimental purposes because of its calmness and ease of handling. It was developed by the Sprague-Dawley Animal Company. Holtzman Rat,Rats, Holtzman,Sprague-Dawley Rat,Rats, Sprague Dawley,Holtzman Rats,Rat, Holtzman,Rat, Sprague-Dawley,Sprague Dawley Rat,Sprague Dawley Rats,Sprague-Dawley Rats
D017698 Postmenopause The physiological period following the MENOPAUSE, the permanent cessation of the menstrual life. Post-Menopause,Post-menopausal Period,Postmenopausal Period,Period, Post-menopausal,Period, Postmenopausal,Post Menopause,Post menopausal Period,Post-Menopauses
D051381 Rats The common name for the genus Rattus. Rattus,Rats, Laboratory,Rats, Norway,Rattus norvegicus,Laboratory Rat,Laboratory Rats,Norway Rat,Norway Rats,Rat,Rat, Laboratory,Rat, Norway,norvegicus, Rattus

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