THYROTROPIN-RELEASING-HORMONE EXCITES SUBMUCOUS NEURONS IN GUINEA-PIG ILEUM

被引:9
|
作者
ZAFIROV, DH [1 ]
COOKE, HJ [1 ]
WOOD, JD [1 ]
机构
[1] OHIO STATE UNIV, COLL MED, DEPT PHYSIOL, 333 W 10TH AVE, COLUMBUS, OH 43210 USA
关键词
ENTERIC NERVOUS SYSTEM; AUTONOMIC GANGLIA; ILEUM (GUINEA-PIG); THYROTROPIN-RELEASING HORMONE (TRH); INTESTINAL SECRETION; INTESTINAL MUCOSA; SYNAPTIC TRANSMISSION;
D O I
10.1016/0014-2999(91)90843-F
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Actions of thyrotropin-releasing hormone (TRH) on submucous neurons of the guinea-pig ileum were examined with intracellular electrophysiological methods. TRH evoked excitatory responses in S/type 1 and AH/type 2 neurons. The responses consisted of slowly activating membrane depolarization, augmented excitability and an increase in input resistance that resulted from a decrease in potassium conductance. The results suggest a neuromodulatory/neurotransmitter function for TRH.
引用
收藏
页码:109 / 112
页数:4
相关论文
共 50 条
  • [1] THYROTROPIN-RELEASING-HORMONE EFFECTS ON GUINEA-PIG ANTRUM
    OOUCHI, M
    ICHIKAWA, S
    GASTROENTEROLOGY, 1985, 88 (05) : 1126 - 1131
  • [2] INOTROPIC EFFECT OF THYROTROPIN-RELEASING-HORMONE ON THE GUINEA-PIG MYOCARDIUM
    HASEGAWA, J
    HIRAI, S
    KOTAKE, H
    HISATOME, I
    MASHIBA, H
    ENDOCRINOLOGY, 1988, 123 (06) : 2805 - 2811
  • [3] THYROTROPIN-RELEASING-HORMONE (TRH) EVOKES CHLORIDE SECRETION VIA CHOLINERGIC PATHWAYS IN THE GUINEA-PIG ILEUM
    CAREY, HV
    COOKE, HJ
    EUROPEAN JOURNAL OF PHARMACOLOGY, 1989, 160 (01) : 183 - 186
  • [4] THYROTROPIN-RELEASING-HORMONE METABOLISM AND EXTRACTION BY THE PERFUSED GUINEA-PIG PLACENTA
    NOGIMORI, T
    ALEX, S
    BAKER, S
    EMERSON, CH
    ENDOCRINOLOGY, 1985, 117 (02) : 565 - 570
  • [5] EFFECT OF THYROTROPIN-RELEASING-HORMONE ON PANCREATIC EXOCRINE SECRETION IN THE GUINEA-PIG
    DAVISON, JS
    TREMBLAY, L
    HICKIE, J
    NERVES AND THE GASTROINTESTINAL TRACT, 1989, 50 : 647 - 651
  • [6] POSITIVE INOTROPIC EFFECT OF THYROTROPIN-RELEASING-HORMONE IN THE GUINEA-PIG VENTRICULAR MYOCARDIUM
    HASEGAWA, J
    SAITOH, M
    OGINO, K
    ISHIKO, R
    TAKAMI, T
    HOSHIO, A
    FUJIMOTO, Y
    KASAHARA, T
    YAMASAKI, J
    KOSAKA, T
    KOTAKE, H
    MASHIBA, H
    JAPANESE CIRCULATION JOURNAL-ENGLISH EDITION, 1987, 51 (08): : 962 - 963
  • [7] Leptin excites enteric neurons of guinea-pig submucous and myenteric plexus
    Reichardt, F.
    Krueger, D.
    Schemann, M.
    NEUROGASTROENTEROLOGY AND MOTILITY, 2011, 23 (04): : e165 - e170
  • [8] EFFECT OF THYROTROPIN-RELEASING-HORMONE ON LIPOXYGENASE-INDUCED HYPOTENSION IN THE UNANESTHETIZED GUINEA-PIG
    LUX, WE
    FEUERSTEIN, G
    FADEN, AI
    PHARMACEUTICAL RESEARCH, 1984, (03) : 135 - 137
  • [9] CORTICOTROPIN-RELEASING HORMONE EXCITES MYENTERIC NEURONS IN THE GUINEA-PIG SMALL-INTESTINE
    HANANI, M
    WOOD, JD
    EUROPEAN JOURNAL OF PHARMACOLOGY, 1992, 211 (01) : 23 - 27
  • [10] BIOSYNTHESIS OF THYROTROPIN-RELEASING-HORMONE IN ORGAN-CULTURES OF GUINEA-PIG MEDIAN-EMINENCE
    MCKELVY, JF
    SHERIDAN, M
    JOSEPH, S
    PHELPS, CH
    PERRIE, S
    ENDOCRINOLOGY, 1975, 97 (04) : 908 - 918