1 Wang, Y.G., Sun, W., Zhang, H.L., Yan, Q.J., Chen, P., Dou, C.H., Yang, H.M., Ge, M., “Multi-glycoside of Tripterygium wilfordii Hook f. ameliorates prolonged mesangial lesions in experimental progressive glomerulonephritis”, Nephron Exp. Nephrol., 114 (1), e7-e14 (2010). 2 Tao, X.L., Younger, J., Fan, F.Z., Wang, B., Lipsky, P.E., “Benefit of an extract of Tripterygium wilfordii Hook F in patients with rheumatoid arthritis”, Arthritis Rheum., 46 (7), 1735-1743 (2002). 3 Tao, X.L., Lipsky, P.E., “The Chinese anti-inflammatory and immunosuppressive herbal remedy Tripterygium wilfordii Hook F”, Rheum. Dis. Clin. North Am., 26 (1), 29-50 (2000). 4 Guo, J., Yuan, S., Wang, X., Xu, S., Li, D., “Tripterygium wilfordii Hook F in rheumatoid-arthritis and ankylosing-spondylitis-preliminary report”, Chin. Med. J., 94 (7), 405-412 (1981). 5 Chen, B.J., “Triptolide, a novel immunosuppressive and anti-inflammatory agent purified from a Chinese herb Tripterygium wilfordii Hook F”, Leuk. Lymphoma, 42 (3), 253-265 (2001). 6 Tao, X.L., Cai, J.J., Lipsky, P.E., “The identity of immunosuppressive components of the ethyl acetate extract and chloroform methanol extract (T2) of Tripterygium wilfordii Hook F”, J. Pharmacol. Exp. Ther., 272 (3), 1305-1312 (1995). 7 Shao, F., Wang, G.J., Xie, H.T., Zhu, X.Y., Sun, J.G., “Pharmacokinetic study of triptolide, a constituent of immunosuppressive chinese herb medicine, in rats”, Biol. Pharm. Bull., 30 (4), 702-707 (2007). 8 Huynh, P.N., Hikim, A.P.S., Wang, C., Stefonovic, K., Lue, Y.H., Leung, A., Atienza, V., Baravarian, S., Reutrakul, V., Swerdloff, R.S., “Long-term effects of triptolide on spermatogenesis, epididymal sperm function, and fertility in male rats”, J. Androl., 21 (5), 689-699 (2000). 9 Luk, J.M., Wang, X.L., Liu, P., Wong, K.F., Chan, K.L., Yao, Y., Hui, C.K., Lau, G., Fan, S.T., “Traditional Chinese herbal medicines for treatment of liver fibrosis and cancer:from laboratory discovery to clinical evaluation”, Liver Int., 27 (7), 879-890 (2007). 10 Kupchan, S.M., Court, W.A., Dailey, R.G., Gilmore, J.C.J., Bryan, R.F., “Maytansine, a novel antileukemic ansa macrolide from Maytenus ovatus”, J. Am. Chem. Soc., 94, 1354-1356 (1972). 11 Gu, W.Z., Chen, R., Brandwein, S., Mcalpine, J., Burres, N., “Isolation, purification, and characterization of immunosuppressive compounds from Tripterygium:triptolide and tripdiolide”, Int. J. Immunopharmac., 17 (5), 351-356 (1995). 12 Ye, H.Y., Ignatova, S., Luo, H.D., Li, Y.F., Peng, A.H., Chen, L.J., Sutherland, I., “Preparative separation of a terpenoid and alkaloids from Tripterygium wilfordii Hook. F using high-performance counter-current chromatography comparison of various elution and operating strategies”, J. Chromatog. A, 1213 (2), 145-153 (2008). 13 Hewitson, P., Ignatova, S., Ye, H.Y., Chen, L.J., Sutherland, I., “Intermittent counter-current extraction as an alternative approach to purification of Chinese herbal medicine”, J. Chromatog. A, 1216 (19), 4184-4192 (2009). 14 Zhang, C.P., Lu, X.Y., Ma, P.C., Chen, Y., Zhang, Y.G., Yan, Z., Chen, G.F., Zhen, Q.T., He, C.H., Yu, D.Q., “Studies on diterpenoids from leaves of Tripterygium wilfordii”, Acta Pharmaceutica Sinica, 28 (2), 110-115 (1993). 15 Ito, Y., “Golden rules and pitfalls in selecting optimum conditions for high-speed counter-current chromatography”, J. Chromatog. A, 1065 (2), 145-168 (2005). |