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肾素加压作用的本质。

ON THE NATURE OF THE PRESSOR ACTION OF RENIN.

机构信息

Lilly Laboratory for Clinical Research, Indianapolis City Hospital, Indianapolis.

出版信息

J Exp Med. 1939 Oct 31;70(5):521-42. doi: 10.1084/jem.70.5.521.

DOI:10.1084/jem.70.5.521
PMID:19870928
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC2133806/
Abstract
  1. Tachyphylaxis occurs when renin is repeatedly injected into dogs and cats regardless of whether they are normal, anesthetized, pithed, hepatectomized, suprarenalectomized, nephrectomized, or eviscerated. 2. The pressor response to renin in brief experiments is independent of the height of the arterial pressure or the presence of the suprarenals. Evisceration and large doses of ergotamine reduce the response. It is largely uninfluenced by pithing, intracisternal injection of renin, cocaine, strychnine, caffeine, and infusion of sodium bicarbonate or hydrochloric acid. It may be slightly increased by large blood transfusions or hepatectomy but the result is short lived. 3. There is no parallelism between the pressor responses to carotid sinus stimulation, adrenine, and tyramine on the one hand and renin on the other. 4. Section of the brain may be followed by depressor responses to renin. 5. Intracisternal injection of renin elicits no significant rise in blood pressure or other circulatory manifestations. 6. Continuous infusion of renin produces a prolonged rise of arterial pressure in normal and chronically suprarenalectomized dogs, but the pressure ultimately falls despite continued infusion. 7. Tachyphylaxis develops in the isolated rabbit's ear perfused with blood and small doses of renin. The same blood perfused through a second ear causes no vasoconstriction when renin is added. Addition of renin-activator restores the ability of renin to cause constriction. 8. Renin alone causes no vasoconstriction when perfused with Ringer's solution, but renin plus renin-activator restores activity. Tachyphylaxis does not develop when Ringer's solution is employed instead of recirculating blood. 9. Blood from animals made tachyphylactic by repeated injections of renin is lacking in activator and also fails to cause vasoconstriction in the rabbit's ear when renin and renin-activator are added. 10. Renin-activator is lost and tachyphylaxis develops more slowly during continuous infusion of renin. Blood pressure may fall after a period of renin infusion despite the pressure in the blood of excess renin. Injection of partially purified activator restores the activator content of the blood as demonstrated in the rabbit's ear, but no rise in arterial pressure occurs.
摘要
  1. 无论犬猫是否正常、麻醉、去脑、肝切除、肾上腺切除、肾切除或去内脏,反复给予肾素都会导致快速耐受。

  2. 在短暂的实验中,肾素引起的升压反应与动脉压的高低或肾上腺的存在无关。去内脏和大剂量麦角新碱可降低反应。它基本上不受去脑、脑室内注射肾素、可卡因、士的宁、咖啡因、碳酸氢钠或盐酸输注的影响。大量输血或肝切除可能会稍有增加,但效果短暂。

  3. 颈动脉窦刺激、肾上腺素和酪胺与肾素引起的升压反应之间没有平行关系。

  4. 脑切除后可能会出现肾素引起的降压反应。

  5. 脑室内注射肾素不会引起血压或其他循环表现的显著升高。

  6. 正常和慢性肾上腺切除犬连续输注肾素会导致动脉压持续升高,但尽管持续输注,血压最终仍会下降。

  7. 在灌注血液和小剂量肾素的离体兔耳中会产生快速耐受。当向第二只耳朵中灌注相同的血液并加入肾素时,不会引起血管收缩。加入肾素激活剂会恢复肾素引起收缩的能力。

  8. 用林格氏溶液灌注肾素本身不会引起血管收缩,但加入肾素激活剂会恢复活性。当使用林格氏溶液代替再循环血液时,不会产生快速耐受。

  9. 由反复注射肾素引起快速耐受的动物的血液中缺乏激活剂,并且当向兔耳中加入肾素和肾素激活剂时,也不会引起血管收缩。

  10. 在连续输注肾素期间,激活剂丢失,快速耐受发展得更慢。尽管血液中肾素过多,但输注肾素一段时间后血压可能会下降。向兔耳中注射部分纯化的激活剂会恢复血液中的激活剂含量,但不会引起动脉压升高。

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J Exp Med. 1939 Oct 31;70(5):521-42. doi: 10.1084/jem.70.5.521.
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ANGIOTONIN-ACTIVATOR, RENIN- AND ANGIOTONIN-INHIBITOR, AND THE MECHANISM OF ANGIOTONIN TACHYPHYLAXIS IN NORMAL, HYPERTENSIVE, AND NEPHRECTOMIZED ANIMALS.血管紧张素激活酶、肾素和血管紧张素抑制剂,以及正常、高血压和肾切除动物中血管紧张素快速脱敏的机制。
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本文引用的文献

1
STUDIES ON EXPERIMENTAL HYPERTENSION : I. THE PRODUCTION OF PERSISTENT ELEVATION OF SYSTOLIC BLOOD PRESSURE BY MEANS OF RENAL ISCHEMIA.实验性高血压研究:I. 通过肾脏缺血手段引起的收缩压持续升高。
J Exp Med. 1934 Feb 28;59(3):347-79. doi: 10.1084/jem.59.3.347.
2
The Nature of Hypertension.高血压的本质
Bull N Y Acad Med. 1937 Nov;13(11):645-54.
3
PRODUCTION OF HYPERTENSION BY CONSTRICTING THE ARTERY OF A SINGLE TRANSPLANTED KIDNEY: AN EXPERIMENTAL INVESTIGATION.通过收缩单个移植肾动脉产生高血压:一项实验研究。
Ann Surg. 1937 Nov;106(5):848-56. doi: 10.1097/00000658-193711000-00003.
4
STUDIES ON THE ETIOLOGY OF RENAL HYPERTENSION.肾性高血压病因学研究
Ann Surg. 1937 Nov;106(5):826-47. doi: 10.1097/00000658-193711000-00002.
5
THE GUANIDINE BASES IN THE BLOOD OF DOGS WITH EXPERIMENTAL HYPERTENSION PRODUCED BY CONSTRICTION OF THE RENAL ARTERIES.肾动脉狭窄所致实验性高血压犬血液中的胍碱
J Clin Invest. 1938 May;17(3):301-4. doi: 10.1172/JCI100954.