Effects of neuropeptide-Y on renal function and its interaction with sympathetic stimulation in conscious dogs
1. The effects of neuropeptide-Y (NPY) on renal function were investigated in conscious foxhounds. 2. Dose-response curves (n = 7) were obtained for NPY by measuring renal blood flow (RBF), glomerular filtration rate (GFR), urine excretion (VU), sodium excretion (VNa), potassium excretion (VK) and p...
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| Veröffentlicht in: | The Journal of physiology 1991-12, Vol.444 (1), p.289-302 |
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| creator | Persson, P B Ehmke, H Nafz, B Lang, R Hackenthal, E Nobiling, R Dietrich, M S Kirchheim, H R |
| description | 1. The effects of neuropeptide-Y (NPY) on renal function were investigated in conscious foxhounds. 2. Dose-response curves
(n = 7) were obtained for NPY by measuring renal blood flow (RBF), glomerular filtration rate (GFR), urine excretion (VU),
sodium excretion (VNa), potassium excretion (VK) and plasma renin activity (PRA) at different infusion rates. All variables
decreased with increasing infusion rates except for PRA, which surprisingly did not change during the different infusion rates.
3. The influence of the non-constrictor dose of NPY at control pressure, and after servo-controlling renal arterial pressure
at 80 mmHg, was determined for these parameters (n = 6). 4. This was repeated during a reflex sympathetic activation via carotid
sinus hypotension, in order to quantify a possible interaction between the sympathetic transmitter and co-transmitter (n =
6). 5. The subthreshold NPY dose raised plasma NPY-like immunoreactivity (NPY-LI IR) significantly (renal venous plasma: 54
+/- 13 vs. 405 +/- 117 pg ml-1; P less than 0.05) and enhanced the pressure-dependent (80 mmHg) antidiuresis (0.48 +/- 0.06
vs. 0.24 +/- 0.02 ml min-1; P less than 0.05), antinatriuresis (46 +/- 11 vs. 25 +/- 3 mumol min-1; P less than 0.05), antikaliuresis
(19 +/- 4 vs. 9 +/- 0.7 mumol min-1; P less than 0.05) and pressure-dependent renin release (0.95 +/- 0.27 vs. 3.0 +/- 1.1
ng angiotensin I ml-1 h-1; P less than 0.05). These effects are consistent with a non-uniform vasoconstrictor action of NPY
in the renal vascular bed (see accompanying papers). 6. The effects of NPY plus sympathetic activation were less than the
sum of the two individual effects, which may rely on a presynaptic mechanism. |
| doi_str_mv | 10.1113/jphysiol.1991.sp018878 |
| format | Article |
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(n = 7) were obtained for NPY by measuring renal blood flow (RBF), glomerular filtration rate (GFR), urine excretion (VU),
sodium excretion (VNa), potassium excretion (VK) and plasma renin activity (PRA) at different infusion rates. All variables
decreased with increasing infusion rates except for PRA, which surprisingly did not change during the different infusion rates.
3. The influence of the non-constrictor dose of NPY at control pressure, and after servo-controlling renal arterial pressure
at 80 mmHg, was determined for these parameters (n = 6). 4. This was repeated during a reflex sympathetic activation via carotid
sinus hypotension, in order to quantify a possible interaction between the sympathetic transmitter and co-transmitter (n =
6). 5. The subthreshold NPY dose raised plasma NPY-like immunoreactivity (NPY-LI IR) significantly (renal venous plasma: 54
+/- 13 vs. 405 +/- 117 pg ml-1; P less than 0.05) and enhanced the pressure-dependent (80 mmHg) antidiuresis (0.48 +/- 0.06
vs. 0.24 +/- 0.02 ml min-1; P less than 0.05), antinatriuresis (46 +/- 11 vs. 25 +/- 3 mumol min-1; P less than 0.05), antikaliuresis
(19 +/- 4 vs. 9 +/- 0.7 mumol min-1; P less than 0.05) and pressure-dependent renin release (0.95 +/- 0.27 vs. 3.0 +/- 1.1
ng angiotensin I ml-1 h-1; P less than 0.05). These effects are consistent with a non-uniform vasoconstrictor action of NPY
in the renal vascular bed (see accompanying papers). 6. The effects of NPY plus sympathetic activation were less than the
sum of the two individual effects, which may rely on a presynaptic mechanism.</description><identifier>ISSN: 0022-3751</identifier><identifier>EISSN: 1469-7793</identifier><identifier>DOI: 10.1113/jphysiol.1991.sp018878</identifier><identifier>PMID: 1688030</identifier><language>eng</language><publisher>England: The Physiological Society</publisher><subject>Animals ; Blood Pressure ; Consciousness - physiology ; Dogs ; Dose-Response Relationship, Drug ; Female ; Glomerular Filtration Rate - physiology ; Kidney - physiology ; Male ; Neuropeptide Y - analysis ; Neuropeptide Y - physiology ; Neurotransmitter Agents - physiology ; Renal Circulation - physiology ; Renin - blood ; Sympathetic Nervous System - physiology</subject><ispartof>The Journal of physiology, 1991-12, Vol.444 (1), p.289-302</ispartof><rights>1991 The Physiological Society</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5649-4c9d1f6fbfca672cd13ac712ab9430fcbb3ac49a53b764aaa6874a9930afef7e3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1179933/pdf/$$EPDF$$P50$$Gpubmedcentral$$H</linktopdf><linktohtml>$$Uhttps://www.ncbi.nlm.nih.gov/pmc/articles/PMC1179933/$$EHTML$$P50$$Gpubmedcentral$$H</linktohtml><link.rule.ids>230,314,727,780,784,885,1417,27924,27925,45574,45575,53791,53793</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/1688030$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Persson, P B</creatorcontrib><creatorcontrib>Ehmke, H</creatorcontrib><creatorcontrib>Nafz, B</creatorcontrib><creatorcontrib>Lang, R</creatorcontrib><creatorcontrib>Hackenthal, E</creatorcontrib><creatorcontrib>Nobiling, R</creatorcontrib><creatorcontrib>Dietrich, M S</creatorcontrib><creatorcontrib>Kirchheim, H R</creatorcontrib><title>Effects of neuropeptide-Y on renal function and its interaction with sympathetic stimulation in conscious dogs</title><title>The Journal of physiology</title><addtitle>J Physiol</addtitle><description>1. The effects of neuropeptide-Y (NPY) on renal function were investigated in conscious foxhounds. 2. Dose-response curves
(n = 7) were obtained for NPY by measuring renal blood flow (RBF), glomerular filtration rate (GFR), urine excretion (VU),
sodium excretion (VNa), potassium excretion (VK) and plasma renin activity (PRA) at different infusion rates. All variables
decreased with increasing infusion rates except for PRA, which surprisingly did not change during the different infusion rates.
3. The influence of the non-constrictor dose of NPY at control pressure, and after servo-controlling renal arterial pressure
at 80 mmHg, was determined for these parameters (n = 6). 4. This was repeated during a reflex sympathetic activation via carotid
sinus hypotension, in order to quantify a possible interaction between the sympathetic transmitter and co-transmitter (n =
6). 5. The subthreshold NPY dose raised plasma NPY-like immunoreactivity (NPY-LI IR) significantly (renal venous plasma: 54
+/- 13 vs. 405 +/- 117 pg ml-1; P less than 0.05) and enhanced the pressure-dependent (80 mmHg) antidiuresis (0.48 +/- 0.06
vs. 0.24 +/- 0.02 ml min-1; P less than 0.05), antinatriuresis (46 +/- 11 vs. 25 +/- 3 mumol min-1; P less than 0.05), antikaliuresis
(19 +/- 4 vs. 9 +/- 0.7 mumol min-1; P less than 0.05) and pressure-dependent renin release (0.95 +/- 0.27 vs. 3.0 +/- 1.1
ng angiotensin I ml-1 h-1; P less than 0.05). These effects are consistent with a non-uniform vasoconstrictor action of NPY
in the renal vascular bed (see accompanying papers). 6. The effects of NPY plus sympathetic activation were less than the
sum of the two individual effects, which may rely on a presynaptic mechanism.</description><subject>Animals</subject><subject>Blood Pressure</subject><subject>Consciousness - physiology</subject><subject>Dogs</subject><subject>Dose-Response Relationship, Drug</subject><subject>Female</subject><subject>Glomerular Filtration Rate - physiology</subject><subject>Kidney - physiology</subject><subject>Male</subject><subject>Neuropeptide Y - analysis</subject><subject>Neuropeptide Y - physiology</subject><subject>Neurotransmitter Agents - physiology</subject><subject>Renal Circulation - physiology</subject><subject>Renin - blood</subject><subject>Sympathetic Nervous System - physiology</subject><issn>0022-3751</issn><issn>1469-7793</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1991</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkUtv1TAQhSMEKreFnwDKCtjk4okdO94gQdXyUCVYlAUry3HsG1eJHWKHq_x7HNLy2AAra-ac88mjk2VPAe0BAL-8GbslWN_vgXPYhxFBXbP6XrYDQnnBGMf3sx1CZVlgVsHD7DSEG4QAI85PshOgdY0w2mXuwhitYsi9yZ2eJz_qMdpWF19y7_JJO9nnZnYq2jRK1-Y2ea2LepLb7mhjl4dlGGXsdLQqD9EOcy9_iNblyrugrJ9D3vpDeJQ9MLIP-vHte5Z9vry4Pn9XXH18-_789VWhKkp4QRRvwVDTGCUpK1ULWCoGpWw4wciopkkz4bLCDaNESklrRiTnGEmjDdP4LHu1cce5GXSrtIuT7MU42UFOi_DSij8VZztx8N8EAEsYnADPbgGT_zrrEMVgg9J9L51OxwhWsorUDCXji78agVWYMICa_JMJtARW0tVIN6OafAiTNj8_Dkis7Yu79sXavrhrPwWf_H72r9hWd9LfbPrR9nr5T6q4_vBpXRBCoKx5gjzfIJ09dEc7abHFgldWx0UknwCxOr8DnOXVeg</recordid><startdate>19911201</startdate><enddate>19911201</enddate><creator>Persson, P B</creator><creator>Ehmke, H</creator><creator>Nafz, B</creator><creator>Lang, R</creator><creator>Hackenthal, E</creator><creator>Nobiling, R</creator><creator>Dietrich, M S</creator><creator>Kirchheim, H R</creator><general>The Physiological Society</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TK</scope><scope>7X8</scope><scope>5PM</scope></search><sort><creationdate>19911201</creationdate><title>Effects of neuropeptide-Y on renal function and its interaction with sympathetic stimulation in conscious dogs</title><author>Persson, P B ; Ehmke, H ; Nafz, B ; Lang, R ; Hackenthal, E ; Nobiling, R ; Dietrich, M S ; Kirchheim, H R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5649-4c9d1f6fbfca672cd13ac712ab9430fcbb3ac49a53b764aaa6874a9930afef7e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1991</creationdate><topic>Animals</topic><topic>Blood Pressure</topic><topic>Consciousness - physiology</topic><topic>Dogs</topic><topic>Dose-Response Relationship, Drug</topic><topic>Female</topic><topic>Glomerular Filtration Rate - physiology</topic><topic>Kidney - physiology</topic><topic>Male</topic><topic>Neuropeptide Y - analysis</topic><topic>Neuropeptide Y - physiology</topic><topic>Neurotransmitter Agents - physiology</topic><topic>Renal Circulation - physiology</topic><topic>Renin - blood</topic><topic>Sympathetic Nervous System - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Persson, P B</creatorcontrib><creatorcontrib>Ehmke, H</creatorcontrib><creatorcontrib>Nafz, B</creatorcontrib><creatorcontrib>Lang, R</creatorcontrib><creatorcontrib>Hackenthal, E</creatorcontrib><creatorcontrib>Nobiling, R</creatorcontrib><creatorcontrib>Dietrich, M S</creatorcontrib><creatorcontrib>Kirchheim, H R</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Neurosciences Abstracts</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>The Journal of physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Persson, P B</au><au>Ehmke, H</au><au>Nafz, B</au><au>Lang, R</au><au>Hackenthal, E</au><au>Nobiling, R</au><au>Dietrich, M S</au><au>Kirchheim, H R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Effects of neuropeptide-Y on renal function and its interaction with sympathetic stimulation in conscious dogs</atitle><jtitle>The Journal of physiology</jtitle><addtitle>J Physiol</addtitle><date>1991-12-01</date><risdate>1991</risdate><volume>444</volume><issue>1</issue><spage>289</spage><epage>302</epage><pages>289-302</pages><issn>0022-3751</issn><eissn>1469-7793</eissn><abstract>1. The effects of neuropeptide-Y (NPY) on renal function were investigated in conscious foxhounds. 2. Dose-response curves
(n = 7) were obtained for NPY by measuring renal blood flow (RBF), glomerular filtration rate (GFR), urine excretion (VU),
sodium excretion (VNa), potassium excretion (VK) and plasma renin activity (PRA) at different infusion rates. All variables
decreased with increasing infusion rates except for PRA, which surprisingly did not change during the different infusion rates.
3. The influence of the non-constrictor dose of NPY at control pressure, and after servo-controlling renal arterial pressure
at 80 mmHg, was determined for these parameters (n = 6). 4. This was repeated during a reflex sympathetic activation via carotid
sinus hypotension, in order to quantify a possible interaction between the sympathetic transmitter and co-transmitter (n =
6). 5. The subthreshold NPY dose raised plasma NPY-like immunoreactivity (NPY-LI IR) significantly (renal venous plasma: 54
+/- 13 vs. 405 +/- 117 pg ml-1; P less than 0.05) and enhanced the pressure-dependent (80 mmHg) antidiuresis (0.48 +/- 0.06
vs. 0.24 +/- 0.02 ml min-1; P less than 0.05), antinatriuresis (46 +/- 11 vs. 25 +/- 3 mumol min-1; P less than 0.05), antikaliuresis
(19 +/- 4 vs. 9 +/- 0.7 mumol min-1; P less than 0.05) and pressure-dependent renin release (0.95 +/- 0.27 vs. 3.0 +/- 1.1
ng angiotensin I ml-1 h-1; P less than 0.05). These effects are consistent with a non-uniform vasoconstrictor action of NPY
in the renal vascular bed (see accompanying papers). 6. The effects of NPY plus sympathetic activation were less than the
sum of the two individual effects, which may rely on a presynaptic mechanism.</abstract><cop>England</cop><pub>The Physiological Society</pub><pmid>1688030</pmid><doi>10.1113/jphysiol.1991.sp018878</doi><tpages>14</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | The Journal of physiology, 1991-12, Vol.444 (1), p.289-302 |
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| source | MEDLINE; Access via Wiley Online Library; IngentaConnect Free/Open Access Journals; EZB-FREE-00999 freely available EZB journals; PubMed Central; Alma/SFX Local Collection |
| subjects | Animals Blood Pressure Consciousness - physiology Dogs Dose-Response Relationship, Drug Female Glomerular Filtration Rate - physiology Kidney - physiology Male Neuropeptide Y - analysis Neuropeptide Y - physiology Neurotransmitter Agents - physiology Renal Circulation - physiology Renin - blood Sympathetic Nervous System - physiology |
| title | Effects of neuropeptide-Y on renal function and its interaction with sympathetic stimulation in conscious dogs |
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