RELAXANT EFFECT OF FORSKOLIN IN RABBIT DETRUSOR SMOOTH-MUSCLE - ROLE OF CYCLIC-AMP

被引:19
|
作者
MORITA, T [1 ]
WHEELER, MA [1 ]
WEISS, RM [1 ]
机构
[1] YALE UNIV, SCH MED, UROL SECT, NEW HAVEN, CT 06510 USA
来源
JOURNAL OF UROLOGY | 1986年 / 135卷 / 06期
关键词
D O I
10.1016/S0022-5347(17)46077-0
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Forskolin caused a concentration dependent relaxation of rabbit detrusor muscle strips. The relaxant effect of forskolin was potentiated by the cyclic AMP sensitive phosphodiesterase inhibitor, Ro20-1274. Pretreatment with the beta-adrenergic antagonist, propranolol, did not inhibit the relaxation of rabbit detrusor induced by forskolin, whereas the relaxation response to forskolin was inhibited in part by the adenylate cyclase inhibitor, SQ22536. Forskolin also increased cyclic AMP levels significantly in rabbit detrusor muscle. These data suggest that detrusor muscle relaxation by forskolin may be mediated by cyclic AMP and that forskolin may activate adenylate cyclase without stimulating beta-adrenergic receptors in detrusor muscle.
引用
收藏
页码:1293 / 1295
页数:3
相关论文
共 50 条
  • [31] THEOPHYLLINE, CYCLIC-AMP AND CALCIUM-METABOLISM IN INTESTINAL SMOOTH-MUSCLE
    PFAFFMAN, M
    MCFARLAND, S
    FEDERATION PROCEEDINGS, 1976, 35 (03) : 609 - 609
  • [32] VASCULAR SMOOTH-MUSCLE CELLS METABOLIZE CYCLIC-AMP TO GENERATE ADENOSINE
    DUBEY, RK
    MI, ZC
    JACKSON, EK
    HYPERTENSION, 1995, 26 (03) : 577 - 577
  • [33] CYCLIC-AMP MEDIATED RELAXATION OF CHEMICALLY SKINNED FIBERS OF SMOOTH-MUSCLE
    RUEGG, JC
    MRWA, U
    SPARROW, MP
    PFLUGERS ARCHIV-EUROPEAN JOURNAL OF PHYSIOLOGY, 1981, 390 (02): : 198 - 201
  • [34] EFFECT OF CAFFEINE AND QUININE ON CALCIUM EFFLUX AND CYCLIC-AMP LEVELS IN BOVINE ILEAL SMOOTH-MUSCLE
    THEOBALD, TC
    SYSON, AJ
    BURRIN, DH
    COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY C-PHARMACOLOGY TOXICOLOGY & ENDOCRINOLOGY, 1978, 61 (02): : 395 - 400
  • [35] RELAXANT EFFECTS OF FORSKOLIN ON GUINEA-PIG TRACHEAL SMOOTH-MUSCLE
    TSUKAWAKI, M
    SUZUKI, K
    SUZUKI, R
    TAKAGI, K
    SATAKE, T
    LUNG, 1987, 165 (04) : 225 - 237
  • [36] SMOOTH-MUSCLE RELAXANT EFFECT OF DEHYDROINDICOLACTONE
    KONG, YC
    LEE, CM
    WONG, MK
    XU, SB
    GENERAL PHARMACOLOGY, 1986, 17 (05): : 593 - 595
  • [37] EFFECTS OF BETA-ADRENERGIC STIMULATION ON CALCIUM MOVEMENTS IN RABBIT AORTIC SMOOTH-MUSCLE - RELATIONSHIP WITH CYCLIC-AMP
    MEISHERI, KD
    VANBREEMEN, C
    JOURNAL OF PHYSIOLOGY-LONDON, 1982, 331 (OCT): : 429 - 441
  • [38] INHIBITION OF PROLIFERATION, BUT NOT OF CA-2+ MOBILIZATION, BY CYCLIC-AMP AND GMP IN RABBIT AORTIC SMOOTH-MUSCLE CELLS
    ASSENDER, JW
    SOUTHGATE, KM
    HALLETT, MB
    NEWBY, AC
    BIOCHEMICAL JOURNAL, 1992, 288 : 527 - 532
  • [39] CYCLIC-AMP MODULATION OF ADRENORECEPTOR-MEDIATED ARTERIAL SMOOTH-MUSCLE CONTRACTION
    SAIDA, K
    VANBREEMEN, C
    JAPANESE JOURNAL OF PHARMACOLOGY, 1985, 39 : P273 - P273
  • [40] NEGATIVE FEEDBACK REGULATION OF AIRWAYS SMOOTH-MUSCLE CONTRACTION BY PROSTAGLANDINS AND CYCLIC-AMP
    CREESE, BR
    DENBOROUGH, MA
    PROCEEDINGS OF THE AUSTRALIAN BIOCHEMICAL SOCIETY, 1979, 12 : 44 - 44