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P物质是大鼠和猫压力感受器反射的第一个突触处的递质吗?

Is substance P the transmitter at the first synapse of the baroreceptor reflex in rats and cats?

作者信息

Haeusler G, Osterwalder R

出版信息

Clin Sci (Lond). 1980 Dec;59 Suppl 6:295s-297s. doi: 10.1042/cs059295s.

DOI:10.1042/cs059295s
PMID:6160940
Abstract
  1. Substance P, injected into a lateral brain ventricle of urethane-anaesthetized rats, caused dose-dependent increases in blood pressure and heart rate. 2. By contrast, exposure of the obex region of the medulla oblongata to pieces of filter paper soaked in substance P-containing solution resulted in falls of blood pressure and heart rate in both rats and cats. 3. A more precise application of substance P to the first synapse of the baroreceptor reflex by micro-injection into defined areas of the nucleus of the solitary tract also led to an activation of the baroreceptor reflex. 4. Capsaicin, which is known to release substance P from primary afferents, mimicked the sympatho-inhibitory and cardiovascular effects of substance P when applied locally to the nucleus of the solitary tract. 5. The results are compatible with a transmitter or neuromodulatory role for substance P at the first synapse of the baroreceptor reflex.
摘要
  1. 向经乌拉坦麻醉的大鼠侧脑室注射P物质,可使血压和心率呈剂量依赖性升高。2. 相比之下,将浸有含P物质溶液的滤纸块置于延髓闩部,可导致大鼠和猫的血压和心率下降。3. 通过微量注射将P物质更精确地应用于孤束核特定区域的压力感受器反射的第一个突触,也会导致压力感受器反射激活。4. 已知辣椒素可从初级传入神经释放P物质,当局部应用于孤束核时,可模拟P物质的交感抑制和心血管效应。5. 这些结果与P物质在压力感受器反射的第一个突触处作为递质或神经调质的作用相一致。

相似文献

1
Is substance P the transmitter at the first synapse of the baroreceptor reflex in rats and cats?P物质是大鼠和猫压力感受器反射的第一个突触处的递质吗?
Clin Sci (Lond). 1980 Dec;59 Suppl 6:295s-297s. doi: 10.1042/cs059295s.
2
Evidence suggesting a transmitter or neuromodulatory role for substance P at the first synapse of the baroreceptor reflex.有证据表明P物质在压力感受器反射的第一个突触处起递质或神经调质的作用。
Naunyn Schmiedebergs Arch Pharmacol. 1980 Nov;314(2):111-21. doi: 10.1007/BF00504526.
3
Cardiovascular effects of substance P peptides in the nucleus of the solitary tract.孤束核中P物质肽的心血管效应
Brain Res. 1989 Sep 18;497(2):280-90. doi: 10.1016/0006-8993(89)90273-4.
4
Baroreceptor reflexes in conscious guinea-pigs are unaffected by depletion of cardiovascular substance P nerves.清醒豚鼠的压力感受器反射不受心血管P物质神经耗竭的影响。
Neurosci Lett. 1982 Oct 23;32(3):285-90. doi: 10.1016/0304-3940(82)90308-1.
5
GABA antagonists applied to the ventral surface of the medulla oblongata block the baroreceptor reflex.应用于延髓腹侧面的γ-氨基丁酸拮抗剂可阻断压力感受器反射。
Brain Res. 1984 Apr 9;297(1):175-80. doi: 10.1016/0006-8993(84)90556-0.
6
Cardiovascular effects of substance P and capsaicin microinjected into the nucleus tractus solitarii of the rat.向大鼠孤束核微量注射P物质和辣椒素的心血管效应。
Brain Res. 1987 Oct 6;422(2):312-8. doi: 10.1016/0006-8993(87)90938-3.
7
Baroreceptor reflex modulation by vasopressin microinjected into the nucleus tractus solitarii of conscious rats.向清醒大鼠孤束核微量注射血管加压素对压力感受器反射的调制作用
Hypertension. 1988 Feb;11(2 Pt 2):I75-9. doi: 10.1161/01.hyp.11.2_pt_2.i75.
8
The role of the solitary and paramedian reticular nuclei in mediating cardiovascular reflex responses from carotid baro- and chemoreceptors.孤束核和旁正中网状核在介导来自颈动脉压力感受器和化学感受器的心血管反射反应中的作用。
J Physiol. 1972 Jun;223(2):525-48. doi: 10.1113/jphysiol.1972.sp009861.
9
Modulatory actions of the gigantocellular reticular nucleus on baroreceptor reflexes in the cat.巨细胞网状核在猫体内对压力感受器反射的调制作用。
Brain Res. 1980 Aug 25;196(1):1-9. doi: 10.1016/0006-8993(80)90712-x.
10
Evidence for a neuromodulatory role of GABA at the first synapse of the baroreceptor reflex pathway. Effects of GABA derivatives injected into the NTS.γ-氨基丁酸(GABA)在压力感受器反射通路首个突触处起神经调节作用的证据。向孤束核注射GABA衍生物的作用
Naunyn Schmiedebergs Arch Pharmacol. 1982 May;319(2):168-71. doi: 10.1007/BF00503932.

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