tripdiolide/tripterygium

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Isolation, purification, and characterization of immunosuppressive compounds from tripterygium: triptolide and tripdiolide.

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Crude extracts derived from the root of Tripterygium wilfordii Hook f (TWHf) have previously been demonstrated to have immunosuppressive properties and have been used as anti-rheumatic therapy in Chinese traditional medicine. Although these extracts contain a large number of chemical components, the

Cultivation of Tripterygium wilfordii Tissue Cultures for the Production of the Cytotoxic Diterpene Tripdiolide.

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The production of the cytotoxic agent tripdiolide employing plant tissue cultures of TRIPTERYGIUM WILFORDII is demonstrated. Detailed investigations of a developed cell line of T. WILFORDII in terms of tripdiolide production versus variations in growth conditions, for example media composition, are

Disseminated cutaneous Kaposi sarcoma in a patient receiving triptolide/tripdiolide for rheumatoid arthritis.

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BACKGROUND To date, Kaposi sarcoma has not been mentioned among the adverse effects of triptolide/tripdiolide, ethyl acetate extracts or polyglycosides of the Chinese herbal remedy Tripterygium wilfordii Hook F. METHODS A patient was diagnosed with rheumatoid arthritis at the age of 29 years. She

Determination of tripdiolide in root extracts of Tripterygium wilfordii by solid-phase extraction and reversed-phase high-performance liquid chromatography.

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Extracts of Tripterygium wilfordii Hook F. have been widely used in China to treat a variety of autoimmune and inflammatory diseases. The diterpenoids triptolide and tripdiolide are two major active components in the T. wilfordii ethyl acetate extract. An efficient solid-phase extraction and

Effective therapy for nephritis in (NZB x NZW)F1 mice with triptolide and tripdiolide, the principal active components of the Chinese herbal remedy Tripterygium wilfordii Hook F.

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OBJECTIVE Triptolide and tripdiolide are thought to be active components of the Chinese antirheumatic herbal remedy Tripterygium wilfordii Hook F, which has been shown to be effective in treating murine lupus nephritis. This study was undertaken to examine the therapeutic effect of triptolide and

Triptolide and tripdiolide, novel antileukemic diterpenoid triepoxides from Tripterygium wilfordii.

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Male antifertility compounds from Tripterygium wilfordii Hook f.

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Extracts of the Chinese medicinal plant, Tripterygium wilfordii, cause reversible infertility in male animals. Sub-fractionation studies have now revealed that the plant extracts contain a number of compounds which are potent antifertility agents in male mammals, including the diterpenes triptolide

Recent progress in research on Tripterygium: a male antifertility plant.

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The discovery of the reversible antifertility action of an extract from Tripterygium wilfordii both in male rats and in men in 1986 stimulated worldwide interest. International and national collaborations aimed at the bioassay-directed sub-fractionation of materials extracted from the plant was then

[Screening of active anti-inflammatory, immunosuppressive and antifertility components of Tripterygium wilfordii. III. A comparison of the antiinflammatory and immunosuppressive activities of 7 diterpene lactone epoxide compounds in vivo].

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The half-effective dose(ED50), therapeutic index(TI) and certain safety factor(CSF) of 7 diterpene lactone epoxide compounds with antiinflammatory and immunosuppressive action extracted from Tripterygium wilfordii (TW) were assayed using croton oil-induced ear swelling and hemolysin-antibody

[Diterpenes constituents of Tripterygium wilfordii].

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OBJECTIVE To study the chemical constituents of Tripterygium wilfordii Hook. F. METHODS Various column chromatographies with silica gel were used for the isolation and purification. The structures of compounds were established on the basis of its IR, MS, UV, 1H NMR, 13C NMR and HRMS, 1H-1H COSY,

Growth and immobilization of tripterygium wilfordii cultured cells.

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The plant Tripterygium wilfordii produces di- and triterpenes of interest for male contraception and treatment of arthritis and skin disorders. Cell line TRP4a obtained form this plant in 1981 was reported to produce these valuable compounds at yields ( approximately 0.04% of the biomass dry weight)

The identity of immunosuppressive components of the ethyl acetate extract and chloroform methanol extract (T2) of Tripterygium wilfordii Hook. F.

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A variety of preparations of Tripterygium wilfordii Hook.F (TWHF) have been reported to be effective in the treatment of autoimmune diseases, including a chloroform methanol extract termed T2 and an ethyl acetate (EA) extract. The immunosuppressive activity of the EA extract was analyzed and the

[Studies on diterpenoids from leaves of Tripterygium wilfordii].

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Tripterygium wilfordii Hook f. has been used as a medicinal herb in traditional Chinese medicine and as an insecticide by the Chinese for hundreds of years. Recently, this plant has been used to treat cancer, rheumatic arthritis and various skin diseases in some Chinese clinics. It is of interest to

[Antitumor effect of Tripterygium wilfordii].

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A new component of antitumor action TG has been isolated from the ethyl acetate extract of Tripterygium wilfordii (besides Triptolide, Tripdiolide and Triptonide). TG was shown in this study to have obvious antitumor effects. The average life span of H22, S180, EAC and breast carcinoma-bearing mice

Anti-inflammatory and immunosuppressive compounds from Tripterygium wilfordii.

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The extract of Tripterygium wilfordii Hook F. (TwHF), which showed anti-inflammatory and immunosuppressive activities in human clinical trials for rheumatoid arthritis, was subjected to the activity-guided fractionation and spectroscopic characterization of bioactives. A tetrahydrofuran lignan,

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