Acute plasma glucose increase, but not early insulin response, regulates plasma ghrelin
The independent role of glucose and insulin in ghrelin regulation is still controversial; this is also because in healthy subjects it is difficult to isolate the increase of glucose from that of insulin. The aim of this study was to discriminate the effect of glucose increase alone and early insulin...
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| Veröffentlicht in: | European journal of endocrinology 2003-11, Vol.149 (5), p.403-406 |
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| creator | BRIATORE, Lucia ANDRAGHETTI, Gabriella CORDERA, Renzo |
| description | The independent role of glucose and insulin in ghrelin regulation is still controversial; this is also because in healthy subjects it is difficult to isolate the increase of glucose from that of insulin. The aim of this study was to discriminate the effect of glucose increase alone and early insulin response on plasma ghrelin, comparing ghrelin variation after i.v. glucose between healthy subjects and type 2 diabetic (T2DM) subjects, in whom the early insulin response to i.v. glucose is abolished.
Plasma glucose, insulin and ghrelin levels were measured 0, 3, 5, 10, 30, 45 and 60 min after a 5 g glucose i.v. bolus in seven healthy control subjects and eight T2DM subjects.
There were no significant differences in body mass index, basal insulin and basal ghrelin between T2DM and healthy subjects. Basal glucose levels were higher in T2DM subjects than in controls. After i.v. glucose administration, plasma glucose increased significantly in both groups and the glucose peak was higher in T2DM subjects than in controls (9.67+/-1.25 (s.d.) vs 6.88+/-1.00 mmol/l, P |
| doi_str_mv | 10.1530/eje.0.1490403 |
| format | Article |
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Plasma glucose, insulin and ghrelin levels were measured 0, 3, 5, 10, 30, 45 and 60 min after a 5 g glucose i.v. bolus in seven healthy control subjects and eight T2DM subjects.
There were no significant differences in body mass index, basal insulin and basal ghrelin between T2DM and healthy subjects. Basal glucose levels were higher in T2DM subjects than in controls. After i.v. glucose administration, plasma glucose increased significantly in both groups and the glucose peak was higher in T2DM subjects than in controls (9.67+/-1.25 (s.d.) vs 6.88+/-1.00 mmol/l, P<0.01). Insulin increased rapidly in controls, while in T2DM subjects, plasma insulin did not rise in the first 10 min. After the glucose bolus, plasma ghrelin showed a significant reduction both in controls and in T2DM subjects after 5 min.
These findings indicate that a low-dose i.v. glucose bolus reduces ghrelin both in controls and in T2DM subjects and therefore that early insulin response does not affect plasma ghrelin.</description><identifier>ISSN: 0804-4643</identifier><identifier>EISSN: 1479-683X</identifier><identifier>DOI: 10.1530/eje.0.1490403</identifier><identifier>PMID: 14585085</identifier><language>eng</language><publisher>Colchester: Portland Press</publisher><subject>Adult ; Biological and medical sciences ; Blood Glucose - metabolism ; Diabetes Mellitus, Type 2 - metabolism ; Endocrinopathies ; Female ; Fundamental and applied biological sciences. Psychology ; Ghrelin ; Glucose - pharmacokinetics ; Humans ; Injections, Intravenous ; Insulin - metabolism ; Male ; Medical sciences ; Middle Aged ; Peptide Hormones - blood ; Vertebrates: endocrinology</subject><ispartof>European journal of endocrinology, 2003-11, Vol.149 (5), p.403-406</ispartof><rights>2004 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c387t-d42fc55dc0136047f25ef8d6c79fd16dee595bdbf2d78987bd2840f4202aa8ec3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,27929,27930</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15297372$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/14585085$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>BRIATORE, Lucia</creatorcontrib><creatorcontrib>ANDRAGHETTI, Gabriella</creatorcontrib><creatorcontrib>CORDERA, Renzo</creatorcontrib><title>Acute plasma glucose increase, but not early insulin response, regulates plasma ghrelin</title><title>European journal of endocrinology</title><addtitle>Eur J Endocrinol</addtitle><description>The independent role of glucose and insulin in ghrelin regulation is still controversial; this is also because in healthy subjects it is difficult to isolate the increase of glucose from that of insulin. The aim of this study was to discriminate the effect of glucose increase alone and early insulin response on plasma ghrelin, comparing ghrelin variation after i.v. glucose between healthy subjects and type 2 diabetic (T2DM) subjects, in whom the early insulin response to i.v. glucose is abolished.
Plasma glucose, insulin and ghrelin levels were measured 0, 3, 5, 10, 30, 45 and 60 min after a 5 g glucose i.v. bolus in seven healthy control subjects and eight T2DM subjects.
There were no significant differences in body mass index, basal insulin and basal ghrelin between T2DM and healthy subjects. Basal glucose levels were higher in T2DM subjects than in controls. After i.v. glucose administration, plasma glucose increased significantly in both groups and the glucose peak was higher in T2DM subjects than in controls (9.67+/-1.25 (s.d.) vs 6.88+/-1.00 mmol/l, P<0.01). Insulin increased rapidly in controls, while in T2DM subjects, plasma insulin did not rise in the first 10 min. After the glucose bolus, plasma ghrelin showed a significant reduction both in controls and in T2DM subjects after 5 min.
These findings indicate that a low-dose i.v. glucose bolus reduces ghrelin both in controls and in T2DM subjects and therefore that early insulin response does not affect plasma ghrelin.</description><subject>Adult</subject><subject>Biological and medical sciences</subject><subject>Blood Glucose - metabolism</subject><subject>Diabetes Mellitus, Type 2 - metabolism</subject><subject>Endocrinopathies</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Ghrelin</subject><subject>Glucose - pharmacokinetics</subject><subject>Humans</subject><subject>Injections, Intravenous</subject><subject>Insulin - metabolism</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Peptide Hormones - blood</subject><subject>Vertebrates: endocrinology</subject><issn>0804-4643</issn><issn>1479-683X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpF0DtPwzAUBWALgWgpjKwoC0yk2LEdO2NV8ZIqsYBgixz7uqRyHtjJ0H-Pq0Yw-cj30xkOQtcELwmn-AF2sIyRFZhheoLmhIkizSX9OkVzLDFLWc7oDF2EsMOYxIzP0YwwLjmWfI4-V3ocIOmdCo1Ktm7UXYCkbrUHFeA-qcYhabshAeXdPv6H0dVt4iH0XXu4e9iOTg0Q_iq-PURyic6scgGupneBPp4e39cv6ebt-XW92qSaSjGkhmVWc240JjTHTNiMg5Um16KwhuQGgBe8MpXNjJCFFJXJJMOWZThTSoKmC3R37O199zNCGMqmDhqcUy10YygFoSQXeRFheoTadyF4sGXv60b5fUlweViyjEuWMR6XjP5mKh6rBsy_nqaL4HYCKmjlrFetrsO_41khqMjoL_KMfQ0</recordid><startdate>20031101</startdate><enddate>20031101</enddate><creator>BRIATORE, Lucia</creator><creator>ANDRAGHETTI, Gabriella</creator><creator>CORDERA, Renzo</creator><general>Portland Press</general><scope>IQODW</scope><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>7X8</scope></search><sort><creationdate>20031101</creationdate><title>Acute plasma glucose increase, but not early insulin response, regulates plasma ghrelin</title><author>BRIATORE, Lucia ; ANDRAGHETTI, Gabriella ; CORDERA, Renzo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c387t-d42fc55dc0136047f25ef8d6c79fd16dee595bdbf2d78987bd2840f4202aa8ec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2003</creationdate><topic>Adult</topic><topic>Biological and medical sciences</topic><topic>Blood Glucose - metabolism</topic><topic>Diabetes Mellitus, Type 2 - metabolism</topic><topic>Endocrinopathies</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Ghrelin</topic><topic>Glucose - pharmacokinetics</topic><topic>Humans</topic><topic>Injections, Intravenous</topic><topic>Insulin - metabolism</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Peptide Hormones - blood</topic><topic>Vertebrates: endocrinology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>BRIATORE, Lucia</creatorcontrib><creatorcontrib>ANDRAGHETTI, Gabriella</creatorcontrib><creatorcontrib>CORDERA, Renzo</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>European journal of endocrinology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>BRIATORE, Lucia</au><au>ANDRAGHETTI, Gabriella</au><au>CORDERA, Renzo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Acute plasma glucose increase, but not early insulin response, regulates plasma ghrelin</atitle><jtitle>European journal of endocrinology</jtitle><addtitle>Eur J Endocrinol</addtitle><date>2003-11-01</date><risdate>2003</risdate><volume>149</volume><issue>5</issue><spage>403</spage><epage>406</epage><pages>403-406</pages><issn>0804-4643</issn><eissn>1479-683X</eissn><abstract>The independent role of glucose and insulin in ghrelin regulation is still controversial; this is also because in healthy subjects it is difficult to isolate the increase of glucose from that of insulin. The aim of this study was to discriminate the effect of glucose increase alone and early insulin response on plasma ghrelin, comparing ghrelin variation after i.v. glucose between healthy subjects and type 2 diabetic (T2DM) subjects, in whom the early insulin response to i.v. glucose is abolished.
Plasma glucose, insulin and ghrelin levels were measured 0, 3, 5, 10, 30, 45 and 60 min after a 5 g glucose i.v. bolus in seven healthy control subjects and eight T2DM subjects.
There were no significant differences in body mass index, basal insulin and basal ghrelin between T2DM and healthy subjects. Basal glucose levels were higher in T2DM subjects than in controls. After i.v. glucose administration, plasma glucose increased significantly in both groups and the glucose peak was higher in T2DM subjects than in controls (9.67+/-1.25 (s.d.) vs 6.88+/-1.00 mmol/l, P<0.01). Insulin increased rapidly in controls, while in T2DM subjects, plasma insulin did not rise in the first 10 min. After the glucose bolus, plasma ghrelin showed a significant reduction both in controls and in T2DM subjects after 5 min.
These findings indicate that a low-dose i.v. glucose bolus reduces ghrelin both in controls and in T2DM subjects and therefore that early insulin response does not affect plasma ghrelin.</abstract><cop>Colchester</cop><pub>Portland Press</pub><pmid>14585085</pmid><doi>10.1530/eje.0.1490403</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | European journal of endocrinology, 2003-11, Vol.149 (5), p.403-406 |
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| source | Oxford University Press Journals All Titles (1996-Current); MEDLINE |
| subjects | Adult Biological and medical sciences Blood Glucose - metabolism Diabetes Mellitus, Type 2 - metabolism Endocrinopathies Female Fundamental and applied biological sciences. Psychology Ghrelin Glucose - pharmacokinetics Humans Injections, Intravenous Insulin - metabolism Male Medical sciences Middle Aged Peptide Hormones - blood Vertebrates: endocrinology |
| title | Acute plasma glucose increase, but not early insulin response, regulates plasma ghrelin |
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