Ethnobotanical-directed discovery of the antihyperglycemic properties of cryptolepine:: Its isolation from Cryptolepis sanguinolenta, synthesis, and in vitro and in vivo activities

被引:128
作者
Bierer, DE [1 ]
Fort, DM [1 ]
Mendez, CD [1 ]
Luo, J [1 ]
Imbach, PA [1 ]
Dubenko, LG [1 ]
Jolad, SD [1 ]
Gerber, RE [1 ]
Litvak, J [1 ]
Lu, Q [1 ]
Zhang, PS [1 ]
Reed, MJ [1 ]
Waldeck, N [1 ]
Bruening, RC [1 ]
Noamesi, BK [1 ]
Hector, RF [1 ]
Carlson, TJ [1 ]
King, SR [1 ]
机构
[1] Shaman Pharmaceut Inc, San Francisco, CA 94080 USA
关键词
D O I
10.1021/jm9704816
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Using an ethnobotanical approach in combination with in vivo-guided fractionation as a means for lead discovery, cryptolepine was isolated as an antihyperglycemic component of Cryptolepis sanguinolenta. Two syntheses of cryptolepine, including an unambiguous synthesis, are reported. The hydroiodide, hydrochloride, and hydrotrifluoromethanesulfonate (hydrotriflate) salts of cryptolepine were synthesized, and a comparison of their spectral properties and their in vitro activities in a 3T3-L1 glucose transport assay is made. Cryptolepine and its salt forms lower blood glucose in rodent models of type II diabetes. While a number of bioactivities have been reported for cryptolepine, this is the first report that cryptolepine posesses antihyperglycemic properties.
引用
收藏
页码:894 / 901
页数:8
相关论文
共 60 条
  • [41] From plant to patient: An ethnomedical approach to the identification of new drugs for the treatment of NIDDM
    Oubre, AY
    Carlson, TJ
    King, SR
    Reaven, GM
    [J]. DIABETOLOGIA, 1997, 40 (05) : 614 - 617
  • [42] ROLE OF THE ENDOTHELIUM AND CYCLIC-GMP IN RENAL VASODILATOR RESPONSES TO CRYPTOLEPINE IN RATS
    OYEKAN, AO
    [J]. JOURNAL OF CARDIOVASCULAR PHARMACOLOGY, 1994, 23 (04) : 602 - 611
  • [43] CRYPTOLEPINE INHIBITS PLATELET-AGGREGATION INVITRO AND INVIVO AND STIMULATES FIBRINOLYSIS EXVIVO
    OYEKAN, AO
    BOTTING, JH
    NOAMESI, BK
    [J]. GENERAL PHARMACOLOGY-THE VASCULAR SYSTEM, 1988, 19 (02): : 233 - 237
  • [44] EFFECTS OF CRYPTOLEPINE ALONE AND IN COMBINATION WITH DIPYRIDAMOLE ON A MOUSE MODEL OF ARTERIAL THROMBOSIS
    OYEKAN, AO
    OKAFOR, JPO
    [J]. JOURNAL OF ETHNOPHARMACOLOGY, 1989, 27 (1-2) : 141 - 148
  • [45] EFFECTS OF CRYPTOLEPINE ON COLLAGEN-INDUCED AGGREGATION AND ON THE MOBILIZATION AND METABOLISM OF ARACHIDONIC-ACID BY RABBIT PLATELETS
    OYEKAN, AO
    ABLORDEPPEY, SY
    [J]. GENERAL PHARMACOLOGY-THE VASCULAR SYSTEM, 1993, 24 (05): : 1285 - 1290
  • [46] THE MECHANISM(S) OF THE ANTIAGGREGATORY EFFECTS OF CRYPTOLEPINE - THE ROLE OF CYCLIC ADENOSINE-MONOPHOSPHATE AND CELLULAR CA-2+
    OYEKAN, AO
    ABLORDEPPEY, SY
    [J]. GENERAL PHARMACOLOGY, 1993, 24 (02): : 461 - 469
  • [47] IN-VITRO ANTIBACTERIAL SCREENING OF CRYPTOLEPIS-SANGUINOLENTA ALKALOIDS
    PAULO, A
    DUARTE, A
    GOMES, ET
    [J]. JOURNAL OF ETHNOPHARMACOLOGY, 1994, 44 (02) : 127 - 130
  • [48] New alkaloids from Cryptolepis sanguinolenta
    Paulo, A
    Gomes, ET
    Houghton, PJ
    [J]. JOURNAL OF NATURAL PRODUCTS, 1995, 58 (10): : 1485 - 1491
  • [49] CRYPTOLEPIS SANGUINOLENTA ACTIVITY AGAINST DIARRHEAL BACTERIA
    PAULO, A
    PIMENTEL, M
    VIEGAS, S
    PIRES, I
    DUARTE, A
    CABRITA, J
    GOMES, ET
    [J]. JOURNAL OF ETHNOPHARMACOLOGY, 1994, 44 (02) : 73 - 77
  • [50] CRYPTOLEPIS-SANGUINOLENTA - ANTIMUSCARINIC PROPERTIES OF CRYPTOLEPINE AND THE ALKALOID FRACTION AT M1, M2 AND M3 RECEPTORS
    RAUWALD, HW
    KOBER, M
    MUTSCHLER, E
    LAMBRECHT, G
    [J]. PLANTA MEDICA, 1992, 58 (06) : 486 - 488