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Autonomic and Autacoid Pharmacology: Goodbye and thank you 自主和自体药理学:再见,谢谢大家
Pub Date : 2017-10-16 DOI: 10.1111/aap.12060
Peter Penson
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引用次数: 0
Attenuation of the anti-contractile effect of cooling in the rat aorta by perivascular adipose tissue 血管周围脂肪组织对大鼠主动脉降温抗收缩作用的衰减
Pub Date : 2017-09-04 DOI: 10.1111/aap.12058
Y. Rafique, M. AlBader, M. Oriowo

  1. In addition to providing mechanical support for blood vessels, the perivascular adipose tissue (PVAT) secretes a number of vasoactive substances and exerts an anticontractile effect. The main objective of this study was to find out whether the anticontractile effect of cooling in the rat aorta is affected by PVAT. Our hypothesis was that PVAT would enhance the anticontractile effect of cooling in the rat aorta.
  2. Aorta segments, with or without PVAT, were used in this investigation. Cumulative concentration-response curves were established for phenylephrine at 37°C or 24°C. Phenylephrine (10-9M – 10-5M) induced concentration-dependent contractions of aorta segments with or without PVAT at 37°C. The maximum response, but not pD2 value, was reduced in aorta segments with PVAT.
  3. Cooling the tissues to 24 °C resulted in a significant reduction in the maximum response in aorta segments without PVAT with no change in pD2 values. However, the anticontractile effect of cooling was attenuated in the presence of PVAT with no significant (p > 0.05) change in either the maximum response or pD2 value.
  4. L-NAME potentiated PE-induced contractions and this was greater in aorta segments without PVAT at both temperatures.
  5. The expression of eNOS protein and basal tissue level of nitric oxide (NO) were greater in aorta segments with PVAT at both temperatures. However, PE significantly increased tissue levels of NO only in aorta segments without PVAT.
  6. We concluded that PVAT-induced loss of anticontractile effect of cooling against PE-induced contractions could be due to impaired generation of NO in aorta segments with PVAT.
除了为血管提供机械支持外,血管周围脂肪组织(PVAT)还分泌许多血管活性物质并发挥抗收缩作用。本研究的主要目的是探讨PVAT是否影响大鼠主动脉降温的抗收缩作用。我们的假设是PVAT会增强大鼠主动脉冷却的抗收缩作用。主动脉段,有无PVAT,用于本研究。建立苯肾上腺素在37°C和24°C时的累积浓度-响应曲线。在37℃时,苯肾上腺素(10-9M - 10-5M)诱导有或无PVAT的主动脉段的浓度依赖性收缩。主动脉段PVAT的最大反应降低,但不降低pD2值。将组织冷却至24°C导致无PVAT的主动脉段最大反应显著降低,而pD2值没有变化。然而,在PVAT的存在下,冷却的抗收缩作用减弱,没有显著的(p >0.05)最大响应或pD2值的变化。在两种温度下,L-NAME都能增强pe诱导的收缩,而在没有PVAT的主动脉段,这种作用更大。在两种温度下,PVAT主动脉段eNOS蛋白表达和一氧化氮(NO)的基础组织水平均较高。然而,PE仅在无PVAT的主动脉段显著增加组织NO水平。我们得出结论,PVAT诱导的冷却对pe诱导的收缩的抗收缩作用的丧失可能是由于PVAT损伤了主动脉段NO的生成。
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引用次数: 0
Retraction: Dopamine receptor immunohistochemistry in the rat choroid plexus. 撤回:大鼠脉络丛中的多巴胺受体免疫组化。
Pub Date : 2017-09-01 DOI: 10.1002/aap.12061

Retraction: F. Mignini, E. Bronzetti, L. Felici, A. Ricci, M. Sabbatini, S. K. Tayebati, F. Amenta (2000), Dopamine receptor immunohistochemistry in the rat choroid plexus. Journal of Autonomic Pharmacology, 20: 325-332. https://doi.org/10.1046/j.1365-2680.2000.00198.x The above article, published online on 09 October 2008, in Wiley Online Library (wileyonlinelibrary.com), has been retracted by the Publisher John Wiley and Sons Ltd. This journal is no longer published by Wiley. Concerns were raised by a third party regarding suspected duplication and fabrication of elements within Figure 1. The Integrity Assurance and Case Resolution team evaluated the paper and found legitimate concerns affecting the reliability of Figure 1. The manuscript was published many years ago, and so the original data was not available for evaluation. As a result, the Integrity Assurance and Case Resolution team considers the conclusions of this manuscript invalid. The authors disagree with the retraction and the team´s evaluation.

撤回:F. Mignini、E. Bronzetti、L. Felici、A. Ricci、M. Sabbatini、S. K. Tayebati、F. Amenta(2000 年),《大鼠脉络丛中的多巴胺受体免疫组织化学》。自律神经药理学杂志》(Journal of Autonomic Pharmacology),20: 325-332。https://doi.org/10.1046/j.1365-2680.2000.00198.x 上述文章于 2008 年 10 月 9 日在线发表于 Wiley Online Library (wileyonlinelibrary.com),已被出版商 John Wiley and Sons Ltd 撤回。该期刊已不再由 Wiley 出版。第三方对图 1 中的元素涉嫌重复和捏造提出了质疑。诚信保证与案件解决小组对论文进行了评估,发现影响图 1 可靠性的问题是合理的。该手稿发表于多年前,因此没有原始数据可供评估。因此,诚信保证与个案解决小组认为该手稿的结论无效。作者不同意撤稿和团队的评价。
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引用次数: 0
Combinatorial effect of nicotine and black tea on heart rate variability: Useful or harmful? 尼古丁和红茶对心率变异性的组合影响:有益还是有害?
Pub Date : 2017-08-17 DOI: 10.1111/aap.12059
S. Joukar, M. Sheibani

  1. The effect of nicotine on heart rate variability (HRV) is controversial. Autonomic nervous system is the main regulator of heart rhythm, and heart rate variability is an appropriate index to assessment of the effects of the autonomic system on heart.
  2. In this study, the combination effect of nicotine and black tea consumption on sympatho-vagal balance and heart rate variability was investigated in rats.
  3. Male Wistar rats were randomized into four groups as control, tea (2.5 g/100 cc, daily), nicotine (2 mg/kg/d) and tea plus nicotine groups which treated for 28 days, and in the 29th day, their electrocardiograms (lead II) were recorded.
  4. The mean of high-frequency power (HF) in tea, nicotine and tea plus nicotine groups was significantly more than control group (P < .05), and low-frequency power/high-frequency power (LF/HF) ratio in the nicotine and tea + nicotine groups was significantly less than control group (P < .05). LF values did not differ significantly among groups. Mean of standard deviation of normal RR intervals (SDNN) and square root of the mean squared differences of successive RR intervals (RMSSD) increased significantly in tea, nicotine and tea + nicotine groups in comparison with control group (P < .05)
  5. Overall, 4-week administration of black tea, nicotine or their combination with dosages used in this study can increase the heart rate variability and improve the sympatho-vagal balance in rat.
尼古丁对心率变异性(HRV)的影响存在争议。自主神经系统是心律的主要调节者,心率变异性是评价自主神经系统对心脏作用的合适指标。在本研究中,研究了尼古丁和红茶对大鼠交感迷走神经平衡和心率变异性的联合作用。将雄性Wistar大鼠随机分为对照组、茶组(2.5 g/ 100cc,每日)、烟碱组(2 mg/kg/d)和茶加烟碱组,治疗28 d,第29 d记录其心电图(铅ⅱ)。茶组、烟碱组和茶加烟碱组大鼠高频功率(HF)均值显著高于对照组(P <.05),尼古丁组和茶+尼古丁组的低频功率/高频功率(LF/HF)比显著低于对照组(P <. 05)。各组间LF值无显著差异。与对照组相比,茶组、尼古丁组和茶+尼古丁组的正常RR区间标准差均值(SDNN)和连续RR区间均方根差(RMSSD)的平方根均显著增加(P <(0.05)总体而言,4周的红茶、尼古丁或它们与本研究中使用的剂量组合可以增加大鼠的心率变异性,改善交感神经-迷走神经平衡。
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引用次数: 2
Metformin prevents vascular prostanoid release alterations induced by a high-fat diet in rats 二甲双胍防止大鼠高脂肪饮食引起的血管前列腺素释放改变
Pub Date : 2017-06-16 DOI: 10.1111/aap.12057
H. J. Lee, S. M. Cantú, A. S. Donoso, M. R. Choi, H. A. Peredo, A. M. Puyó

  1. Perivascular adipose tissue dysfunction induced by high-fat feeding leads to alterations in the modulation of inflammation, contractile activity of the vascular smooth muscle and endothelial function, all risk factors in the development of hypertension. Metformin, an activator of AMP-activated protein kinase (AMPK), is currently the first-line drug treatment for type 2 diabetes (T2DM) and metabolic syndrome. Besides its glucose-lowering effect, there is an interest in actions of this drug with potential relevance in cardiovascular diseases.
  2. The high-fat (HF) diet is an experimental model that resembles human metabolic syndrome. We have previously reported an altered pattern of prostanoid release in mesenteric vessels in this model.
  3. The aim of this study was to analyse the effects of metformin on mesenteric vascular bed prostanoid release, adiposity index and its relation to blood pressure in Sprague-Dawley rats fed a HF diet for 8 and 12 weeks. Eight groups were used: control (C8, C1), HF diet (HF8, HF12, 50% w/w bovine fat), metformin-treated (CMf8, CMf12, 500 mg/kg/day) and metformin-treated HF diet (HFMf8, HFMf12, both treatments).
  4. HF diet increased mesenteric vascular bed adiposity index (%, HF8: 1.7±0.1 vs C8: 0.9±0.04 and HF12: 1.8±0.1 vs C12: 0.8±0.1, P<.001); systolic blood pressure (SBP, mm Hg, HF8: 145±6 vs C8: 118±4, P<.01 and HF12: 151±1 vs C12: 121±3, P<.001). We found a positive correlation between these two parameters. Moreover HF diet increased the release of vasoconstrictor prostanoids such as thromboxane (TX) B2 (ng PR/mg of tissue, HF8: 117±6 vs C8: 66±2 and HF12: 123±6 vs C12: 62±5, P<.001) and prostaglandin (PG) F (ng/mg, HF8: 153±9 vs C8: 88±3 and HF12: 160±11 vs C12: 83±5, P<.001). We also found that this increase in the release of vasoconstrictor prostanoids positively correlates with the elevation of SBP. In addition, HF diet increases the release of PGE2 and decreases the prostacyclin (PGI2)/TXA2 release ratio at 8 and 12 weeks of treatment compared to control groups.
  5. In the HFMf group, metformin treatment prevented all these increases in mesenteric vascular bed adiposity index (%, HFMf8: 1.3±0.2 vs HF8 and HFMf12: 1.3±0.1 vs HF12, P<.05); SBP (mm Hg, HFMf8: 127±2 vs HF8 and HFMf12: 132±1 vs HF12, P<.001); TXB2 release (ng PR/mg of tissue, HFMf8: 65±12 vs HF8, P<.05 and HFMf12: 53±3 vs HF12, P<.001) and PGF2α (ng PR/mg of tissue, HFMf8: 99±13 vs HF8, P<.01 and HFMf12: 77±8 vs HF12, P<.001). Meanwhile metformin prevented the increment in PGE2 r
高脂肪喂养引起的血管周围脂肪组织功能障碍导致炎症调节、血管平滑肌收缩活动和内皮功能的改变,这些都是高血压发生的危险因素。二甲双胍是一种amp活化蛋白激酶(AMPK)的激活剂,目前是治疗2型糖尿病(T2DM)和代谢综合征的一线药物。除了降糖作用外,人们对该药在心血管疾病中的潜在作用也很感兴趣。高脂肪饮食是一种类似于人类代谢综合征的实验模型。我们之前曾报道过该模型中前列腺素在肠系膜血管中释放的改变模式。本研究的目的是分析二甲双胍对饲喂HF饮食8周和12周的Sprague-Dawley大鼠肠系膜血管床前列腺素释放、肥胖指数及其与血压的关系。采用8组:对照组(C8、C1)、HF饲粮(HF8、HF12,牛脂肪比为50%)、二甲双胍处理(CMf8、CMf12, 500 mg/kg/d)和二甲双胍处理HF饲粮(HFMf8、HFMf12,两种处理)。HF日粮增加肠系膜血管床肥胖指数(%,HF8: 1.7±0.1 vs C8: 0.9±0.04;HF12: 1.8±0.1 vs C12: 0.8±0.1,p < 0.01);收缩压(SBP, mm Hg, HF8: 145±6 vs C8: 118±4,P<01和HF12: 151±1 vs C12: 121±3,p < 0.01)。我们发现这两个参数之间呈正相关关系。此外,HF饮食增加了血管收缩剂前列腺素的释放,如血栓素(TX) B2 (ng PR/mg, HF8: 117±6 vs C8: 66±2,HF12: 123±6 vs C12: 62±5,p < 0.01)和前列腺素(PG) F2α (ng/mg, HF8: 153±9 vs C8: 88±3,HF12: 160±11 vs C12: 83±5,p < 0.01)。我们还发现血管收缩剂前列腺素释放的增加与收缩压升高呈正相关。此外,与对照组相比,HF饮食在治疗8周和12周时增加了PGE2的释放,降低了前列环素(PGI2)/TXA2的释放比。在HFMf组,二甲双胍治疗阻止了所有这些肠系膜血管床肥胖指数的增加(%,HFMf8: 1.3±0.2 vs HF8, HFMf12: 1.3±0.1 vs HF12, P< 0.05);收缩压(mmhg, HFMf8: 127±2 vs HF8, HFMf12: 132±1 vs HF12, p < 0.01);TXB2释放量(ng PR/mg组织,HFMf8: 65±12 vs HF8, P<HFMf12: 53±3 vs HF12, p < 0.01)和PGF2α (ng PR/mg), HFMf8: 99±13 vs HF8, p < 0.01;01和HFMf12: 77±8 vs HF12, p < 0.01)。二甲双胍仅在12周时阻止PGE2释放增加。另一方面,二甲双胍在研究的两个时期都改善了PGI2/TXA2比率。综上所述,二甲双胍可能通过改善该模型肠系膜血管周围脂肪组织血管活性物质失衡引起的内皮功能障碍,对脂肪组织和血管系统发挥有益作用。
{"title":"Metformin prevents vascular prostanoid release alterations induced by a high-fat diet in rats","authors":"H. J. Lee,&nbsp;S. M. Cantú,&nbsp;A. S. Donoso,&nbsp;M. R. Choi,&nbsp;H. A. Peredo,&nbsp;A. M. Puyó","doi":"10.1111/aap.12057","DOIUrl":"10.1111/aap.12057","url":null,"abstract":"<div>\u0000 \u0000 <p>\u0000 \u0000 </p><ol>\u0000 \u0000 \u0000 <li>Perivascular adipose tissue dysfunction induced by high-fat feeding leads to alterations in the modulation of inflammation, contractile activity of the vascular smooth muscle and endothelial function, all risk factors in the development of hypertension. Metformin, an activator of AMP-activated protein kinase (AMPK), is currently the first-line drug treatment for type 2 diabetes (T2DM) and metabolic syndrome. Besides its glucose-lowering effect, there is an interest in actions of this drug with potential relevance in cardiovascular diseases.</li>\u0000 \u0000 \u0000 <li>The high-fat (HF) diet is an experimental model that resembles human metabolic syndrome. We have previously reported an altered pattern of prostanoid release in mesenteric vessels in this model.</li>\u0000 \u0000 \u0000 <li>The aim of this study was to analyse the effects of metformin on mesenteric vascular bed prostanoid release, adiposity index and its relation to blood pressure in Sprague-Dawley rats fed a HF diet for 8 and 12 weeks. Eight groups were used: control (C8, C1), HF diet (HF8, HF12, 50% w/w bovine fat), metformin-treated (CMf8, CMf12, 500 mg/kg/day) and metformin-treated HF diet (HFMf8, HFMf12, both treatments).</li>\u0000 \u0000 \u0000 <li>HF diet increased mesenteric vascular bed adiposity index (%, HF8: 1.7±0.1 vs C8: 0.9±0.04 and HF12: 1.8±0.1 vs C12: 0.8±0.1, <i>P</i>&lt;.001); systolic blood pressure (SBP, mm Hg, HF8: 145±6 vs C8: 118±4, <i>P</i>&lt;.01 and HF12: 151±1 vs C12: 121±3, <i>P</i>&lt;.001). We found a positive correlation between these two parameters. Moreover HF diet increased the release of vasoconstrictor prostanoids such as thromboxane (TX) B<sub>2</sub> (ng PR/mg of tissue, HF8: 117±6 vs C8: 66±2 and HF12: 123±6 vs C12: 62±5, <i>P</i>&lt;.001) and prostaglandin (PG) F<sub>2α</sub> (ng/mg, HF8: 153±9 vs C8: 88±3 and HF12: 160±11 vs C12: 83±5, <i>P</i>&lt;.001). We also found that this increase in the release of vasoconstrictor prostanoids positively correlates with the elevation of SBP. In addition, HF diet increases the release of PGE<sub>2</sub> and decreases the prostacyclin (PGI<sub>2</sub>)/TXA<sub>2</sub> release ratio at 8 and 12 weeks of treatment compared to control groups.</li>\u0000 \u0000 \u0000 <li>In the HFMf group, metformin treatment prevented all these increases in mesenteric vascular bed adiposity index (%, HFMf8: 1.3±0.2 vs HF8 and HFMf12: 1.3±0.1 vs HF12, <i>P</i>&lt;.05); SBP (mm Hg, HFMf8: 127±2 vs HF8 and HFMf12: 132±1 vs HF12, <i>P</i>&lt;.001); TXB<sub>2</sub> release (ng PR/mg of tissue, HFMf8: 65±12 vs HF8, <i>P</i>&lt;.05 and HFMf12: 53±3 vs HF12, <i>P</i>&lt;.001) and PGF<sub>2</sub>α (ng PR/mg of tissue, HFMf8: 99±13 vs HF8, <i>P</i>&lt;.01 and HFMf12: 77±8 vs HF12, <i>P</i>&lt;.001). Meanwhile metformin prevented the increment in PGE<sub>2</sub> r","PeriodicalId":100151,"journal":{"name":"Autonomic and Autacoid Pharmacology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2017-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/aap.12057","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35094716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
11,12-Epoxyeicosatrienoic acid induces vasodilator response in the rat perfused mesenteric vasculature 11,12-环氧二碳三烯酸在大鼠灌注肠系膜血管中诱导血管扩张反应
Pub Date : 2017-03-23 DOI: 10.1111/aap.12052
S. M. Bihzad, M. H. M. Yousif

  1. Epoxyeicosatrienoic acids (EETs) are endogenous ligands that undergo hydrolysis by soluble epoxide hydrolase (sEH). The responses of 11, 12-EET in comparison with other vasodilator agonists including carbachol and sodium nitroprusside (SNP) were investigated. The effect of 1-cyclohexyl-3-dodecyl urea (CDU), a sEH, was tested on the vasodilator effect induced by 11, 12-EET in the perfused mesenteric beds isolated from normo-glycaemic and type-1 STZ-diabetic rats.
  2. In the perfused mesenteric beds of control and diabetic animals, 11, 12-EET produced vasodilation in a dose-dependent manner. The vasodilator response induced by 11, 12-EET was significantly decreased in tissues obtained from diabetic animals, but this was significantly corrected through inhibition of sEH.
  3. The effects of nitric oxide synthase inhibitor, cyclo-oxygenase inhibitor, specific potassium channel inhibitors, soluble guanylyl cyclase inhibitor and transient receptor potential channel V4 inhibitor, on vasodilator response to 11, 12-EET were investigated.
  4. In tissues isolated from control animals, vasodilator responses to 11, 12-EET were not inhibited by acute incubation with l-NAME, l-NAME with indomethacin, glibenclamide, iberiotoxin, charybdotoxin, apamin or ODQ.
  5. Incubation with the transient receptor potential channel V4 inhibitor ruthenium red caused significantly reduced vasodilator responses induced by 11, 12-EET.
  6. In conclusion, results from this study indicate that 11, 12-EET has a vasodilator effect in the perfused mesenteric bed, partly through activation of vanilloid receptor. A strategy to elevate the levels of EETs may have a significant impact in correcting microvascular abnormality associated with diabetes.
环氧二碳三烯酸(EETs)是一种内源性配体,可被可溶性环氧化物水解酶(sEH)水解。研究了11,12 - eet与其他血管扩张激动剂(包括萘酚和硝普钠)的反应。研究1-环己基-3-十二烷基脲(CDU, sEH)对11,12 - eet对正常血糖和1型stz糖尿病大鼠肠系膜床血管舒张作用的影响。在对照组和糖尿病动物的肠系膜灌注床中,11,12 - eet以剂量依赖的方式产生血管舒张。11,12 - eet诱导的血管扩张反应在糖尿病动物的组织中显著降低,但通过抑制sEH显著纠正了这一点。研究了一氧化氮合酶抑制剂、环氧合酶抑制剂、特异性钾通道抑制剂、可溶性胍基环化酶抑制剂和瞬时受体电位通道V4抑制剂对11,12 - eet血管舒张剂反应的影响。在从对照动物分离的组织中,l-NAME、l-NAME与吲哚美辛、格列本脲、iberiotoxin、charybdotoxin、apamin或ODQ急性孵育均未抑制血管扩张剂对11,12 - eet的反应。与瞬时受体电位通道V4抑制剂钌红孵育可显著降低11,12 - eet诱导的血管舒张反应。综上所述,本研究结果表明11,12 - eet在灌注的肠系膜床中具有血管扩张作用,部分是通过激活香草素受体来实现的。提高EETs水平的策略可能对纠正糖尿病相关微血管异常有重要影响。
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引用次数: 2
Antidiuretic and antinatriuretic response to high salt load in normotensive Wistar-Kyoto rats: Role of alpha-1A-adrenoreceptors 正常血压Wistar-Kyoto大鼠对高盐负荷的抗利尿和抗尿反应:α - 1a肾上腺素受体的作用
Pub Date : 2017-03-23 DOI: 10.1111/aap.12053
R. N. Kazi, M. A. Sattar, E. J. Johns

  1. Altered renal adrenergic responses have been recognized as pathophysiological responses to high salt intake. This study aims to investigate the influence of 6 weeks of high salt diet on α1A-adrenoceptor regulation of renal tubular antinatriuretic and antidiuretic response in normal Wistar Kyoto rats.
  2. To achieve the above objective, antinatriuretic and antidiuretic response to phenylephrine was measured in the absence and presence of 5-methylurapidil (5-MeU) using the inulin clearance method. Systemic mean arterial blood pressure and renal haemodynamics were also measured simultaneously.
  3. Six weeks of high salt intake in Wistar-Kyoto (WKY) rats did not bring any significant increase in mean arterial blood pressure. WKY rat on high salt diet (WKYHNa) showed an exaggerated increase in absolute and fractional sodium excretion. There was a significant involvement of α1A-adrenoceptor in carrying out renal tubular antinatriuretic and antidiuretic response in Wistar Kyoto rats on normal sodium diet (WKYNNa). However, α1A-adrenoceptor played a minimal role in handling the tubular reabsorptive response in WKY rats on high salt diet.
肾脏肾上腺素能反应的改变已被认为是高盐摄入的病理生理反应。本研究旨在探讨6周高盐饮食对正常Wistar Kyoto大鼠α 1a -肾上腺素能受体调节肾小管抗尿和抗利尿反应的影响。为了达到上述目的,采用菊粉清除率法测定了在5-甲基脲地尔(5-MeU)不存在和不存在的情况下,对苯肾上腺素的抗尿钠和抗利尿反应。同时测量全身平均动脉血压和肾脏血流动力学。Wistar-Kyoto (WKY)大鼠高盐摄入6周后,平均动脉血压没有显著升高。高盐饮食组(WKYHNa)大鼠的绝对钠排泄量和部分钠排泄量均显著增加。α α -肾上腺素能素在正常钠饮食(WKYNNa)下Wistar Kyoto大鼠肾小管抗尿和抗利尿反应中有显著参与。然而,α 1a -肾上腺素能受体在高盐饮食WKY大鼠肾小管重吸收反应中起的作用很小。
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引用次数: 1
Autonomic & Autacoid Pharmacology 2016: The year in review 自主与自体药理学2016:回顾的一年
Pub Date : 2016-12-09 DOI: 10.1111/aap.12051
P. E. Penson
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引用次数: 1
Botulinum toxin A for palmar hyperhidrosis: assessment with sympathetic skin responses evoked by train of stimuli A型肉毒毒素治疗手掌多汗症:一系列刺激引起的交感皮肤反应的评估
Pub Date : 2016-11-23 DOI: 10.1111/aap.12050
J.Y. Al-Hashel, D. Youssry, H.M. Rashaed, T. Shamov, R.T. Rousseff

  1. Objective assessment of the effect of botulinum toxin A (BT) treatment in primary palmar hyperhidrosis (PH) is attempted by different methods.
  2. We decided to use for this purpose sympathetic skin responses evoked by train of stimuli (TSSR).
  3. Twenty patients with severe PH (five female, median age 24, range 18-36) were examined regularly over 3 months after receiving 50 UI BT in each palm. TSSR were recorded from the palms after sensory stimulation by a train of three supramaximal electric pulses 3 millisecond apart. Results were compared to longitudinally studied TSSR of 20 healthy sex- and age-matched control subjects.
  4. All hyperhidrosis patients reported excellent improvement. TSSR amplitudes decreased at week 1 (mean 54% range 48%-67%) and over the following months in a clinically significant trend (slope R=−.82, P<.0001). TSSR in controls changed insignificantly (±13% from the baseline). The difference between patients and controls was highly significant at any time point (P<.001).
  5. This study suggests that TSSR may help in assessment of treatments in PH. It confirms objectively the efficacy of BT in PH.
本文尝试用不同的方法客观评价肉毒毒素A (BT)治疗原发性掌多汗症(PH)的效果。我们决定为此目的使用由刺激序列(TSSR)引起的交感皮肤反应。20例重度PH患者(5名女性,中位年龄24岁,年龄范围18-36岁)在每手掌接受50次ubt治疗后3个多月定期检查。在三组间隔3毫秒的超高压电脉冲刺激手掌后,记录下TSSR。将结果与20名性别和年龄相匹配的健康对照者的TSSR纵向研究结果进行比较。所有多汗症患者均报告了良好的改善。TSSR振幅在第1周下降(平均54%范围为48%-67%),并在接下来的几个月内呈临床显著趋势(斜率R= -)。82年,术中;。)。对照组TSSR变化不显著(与基线相比±13%)。在任何时间点,患者和对照组之间的差异都非常显著(P<.001)。本研究提示TSSR可能有助于PH治疗的评价,客观地证实了BT治疗PH的疗效。
{"title":"Botulinum toxin A for palmar hyperhidrosis: assessment with sympathetic skin responses evoked by train of stimuli","authors":"J.Y. Al-Hashel,&nbsp;D. Youssry,&nbsp;H.M. Rashaed,&nbsp;T. Shamov,&nbsp;R.T. Rousseff","doi":"10.1111/aap.12050","DOIUrl":"10.1111/aap.12050","url":null,"abstract":"<div>\u0000 \u0000 <p>\u0000 \u0000 </p><ol>\u0000 \u0000 \u0000 <li>Objective assessment of the effect of botulinum toxin A (BT) treatment in primary palmar hyperhidrosis (PH) is attempted by different methods.</li>\u0000 \u0000 \u0000 <li>We decided to use for this purpose sympathetic skin responses evoked by train of stimuli (TSSR).</li>\u0000 \u0000 \u0000 <li>Twenty patients with severe PH (five female, median age 24, range 18-36) were examined regularly over 3 months after receiving 50 UI BT in each palm. TSSR were recorded from the palms after sensory stimulation by a train of three supramaximal electric pulses 3 millisecond apart. Results were compared to longitudinally studied TSSR of 20 healthy sex- and age-matched control subjects.</li>\u0000 \u0000 \u0000 <li>All hyperhidrosis patients reported excellent improvement. TSSR amplitudes decreased at week 1 (mean 54% range 48%-67%) and over the following months in a clinically significant trend (slope <i>R</i>=−.82, <i>P</i>&lt;.0001). TSSR in controls changed insignificantly (±13% from the baseline). The difference between patients and controls was highly significant at any time point (<i>P</i>&lt;.001).</li>\u0000 \u0000 \u0000 <li>This study suggests that TSSR may help in assessment of treatments in PH. It confirms objectively the efficacy of BT in PH.</li>\u0000 </ol>\u0000 \u0000 </div>","PeriodicalId":100151,"journal":{"name":"Autonomic and Autacoid Pharmacology","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2016-11-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/aap.12050","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85862923","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Increase in sensitivity of the baroreceptor reflex following microinjection of carbachol into the posterior hypothalamic nucleus of awake rats 清醒大鼠下丘脑后核微量注射甲醇后压力感受器反射的敏感性增加
Pub Date : 2016-08-24 DOI: 10.1111/aap.12041
C. R. Newey, J. R. Martin

  1. In a rat model, the baroreceptor reflex can be assessed by graded infusions of either phenylephrine or sodium nitroprusside with continuous hemodynamic monitoring.
  2. Microinjection of the cholinergic agonist carbachol (CCh) into the posterior hypothalamic nucleus (PHN) evokes an increase in mean arterial pressure and a change in heart rate. Lower doses of CCh evoke only tachycardia, whereas middle and higher doses evoke a biphasic change in heart rate of tachycardia followed by bradycardia.
  3. The bradycardia following the microinjection of CCh into the PHN can be attenuated by the previous administration of the vasopressin V1 receptor antagonist [d(CH2)5Tyr(Me)] arginine vasopressin (AVPX).
  4. Circulating arginine vasopressin (AVP) has been shown to increase the sensitivity of the baroreceptor reflex by stimulating vasopressin V1 receptors in the area postrema.
  5. The attenuation by AVPX of the bradycardia that results following the high doses of CCh suggests that AVP is released into the circulation following stimulation of cholinergic systems within the PHN.
  6. Thus, microinjection of a high dose of CCh (11 nmol) into the PHN alters the sensitivity of the baroreceptor reflex by increasing peripheral levels of AVP.
在大鼠模型中,压力感受器反射可通过分级输注苯肾上腺素或硝普钠并持续血流动力学监测来评估。向下丘脑后核(PHN)微量注射胆碱能激动剂恰巴醇(CCh)可引起平均动脉压升高和心率变化。低剂量的CCh只引起心动过速,而中剂量和高剂量的CCh引起心动过速和心动过缓的心率双相变化。在PHN内微量注射CCh后的心动过缓可通过先前给予抗利尿素V1受体拮抗剂[d(CH2)5Tyr(Me)]精氨酸抗利尿素(AVPX)来减轻。循环精氨酸抗利尿激素(AVP)通过刺激后脑区抗利尿激素V1受体增加压力感受器反射的敏感性。高剂量CCh引起的AVPX对心动过缓的衰减表明,在刺激PHN内的胆碱能系统后,AVP被释放到循环中。因此,向PHN微注射高剂量的CCh (11 nmol)通过增加外周AVP水平来改变压力感受器反射的敏感性。
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引用次数: 3
期刊
Autonomic and Autacoid Pharmacology
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