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α-和β-肾上腺素能受体在人膀胱中的分布

Distribution of alpha- and beta-adrenoceptors in human urinary bladder.

作者信息

Awad S A, Bruce A W, Carro-Ciampi G, Downie J W, Lin M, Marks G S

出版信息

Br J Pharmacol. 1974 Apr;50(4):525-9. doi: 10.1111/j.1476-5381.1974.tb08585.x.

Abstract

1 The distribution of alpha- and beta-adrenoceptors in isolated preparations of human bladder neck and detrusor muscle has been studied.2 Adrenaline caused contraction of the bladder neck which was blocked by phenoxybenzamine but unaltered by propranolol.3 Isoprenaline caused relaxation of the bladder neck which was blocked by propranolol. High concentrations caused contraction which was enhanced by propranolol but blocked by phenoxybenzamine.4 Detrusor muscle was relaxed by isoprenaline and this effect was blocked by propranolol. Phenylephrine caused relaxation of detrusor which was unaffected by phenoxybenzamine; in some cases contraction was produced in the presence of propranolol.5 It is concluded that the bladder neck contains mainly alpha-receptors and the detrusor mainly beta-receptors but both regions posses both types of adrenoceptor.

摘要
  1. 对人膀胱颈和逼尿肌的离体标本中α-和β-肾上腺素能受体的分布进行了研究。

  2. 肾上腺素引起膀胱颈收缩,此收缩被酚苄明阻断,但不受普萘洛尔影响。

  3. 异丙肾上腺素引起膀胱颈松弛,此松弛被普萘洛尔阻断。高浓度时引起收缩,此收缩被普萘洛尔增强,但被酚苄明阻断。

  4. 逼尿肌被异丙肾上腺素松弛,此效应被普萘洛尔阻断。去氧肾上腺素引起逼尿肌松弛,此松弛不受酚苄明影响;在某些情况下,在普萘洛尔存在时可产生收缩。

  5. 得出结论:膀胱颈主要含有α受体,逼尿肌主要含有β受体,但两个区域均存在两种类型的肾上腺素能受体。

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Alpha- and beta-adrenoceptors in the sheep urinary bladder.
Res Vet Sci. 1991 May;50(3):259-63. doi: 10.1016/0034-5288(91)90120-d.

引用本文的文献

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Effects of phenoxybenzamine on bladder neck opening.酚苄明对膀胱颈开口的影响。
J R Soc Med. 1980 May;73(5):345-7. doi: 10.1177/014107688007300508.
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Sex hormones and the female urinary tract.性激素与女性泌尿系统。
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本文引用的文献

1
SYMPATHETIC BETA-RECEPTORS AND THE GUINEA-PIG VAS DEFERENS.交感β受体与豚鼠输精管
Br J Pharmacol Chemother. 1965 Feb;24(1):194-204. doi: 10.1111/j.1476-5381.1965.tb02095.x.
2
Peripheral autonomic influence on the motility of the urinary bladder in the cat. II. "Tone".
Acta Physiol Scand. 1966 Jan-Feb;66(1):72-80. doi: 10.1111/j.1748-1716.1966.tb03170.x.
4
A study of human bladder detrusor muscle.一项关于人类膀胱逼尿肌的研究。
Br J Urol. 1969 Aug;41(4):448-54. doi: 10.1111/j.1464-410x.1969.tb09946.x.
8
Nervous control of urinary bladder in cats. I. The collecting phase.猫膀胱的神经控制。I. 贮尿期。
Acta Physiol Scand. 1968 Jan-Feb;72(1):157-71. doi: 10.1111/j.1748-1716.1968.tb03838.x.

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