Estimates of insulin secretory function in apparently healthy volunteers vary as a function of how the relevant variables are quantified
Several surrogate estimates have been used to define relationships between insulin action and pancreatic β-cell function in healthy individuals. Because it is unclear how conclusions about insulin secretory function depend on specific estimates used, we evaluated the effect of different approaches t...
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| Veröffentlicht in: | Clinical chemistry (Baltimore, Md.) Md.), 2011-04, Vol.57 (4), p.627-632 |
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| container_title | Clinical chemistry (Baltimore, Md.) |
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| creator | Johns, Barry R Abbasi, Fahim Reaven, Gerald M |
| description | Several surrogate estimates have been used to define relationships between insulin action and pancreatic β-cell function in healthy individuals. Because it is unclear how conclusions about insulin secretory function depend on specific estimates used, we evaluated the effect of different approaches to measurement of insulin action and secretion on observations of pancreatic β-cell function in individuals whose fasting plasma glucose (FPG) was |
| doi_str_mv | 10.1373/clinchem.2010.152744 |
| format | Article |
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We determined 2 indices of insulin secretion [homeostasis model assessment of β-cell function (HOMA-β) and daylong insulin response to mixed meals], insulin action [homeostasis model assessment of insulin resistance (HOMA-IR) and steady-state plasma glucose (SSPG) concentration during the insulin suppression test], and degree of glycemia [fasting plasma glucose (FPG) and daylong glucose response to mixed meals] in 285 individuals with FPG <7.0 mmol/L. We compared the relationship between the 2 measures of insulin secretion as a function of the measures of insulin action and degree of glycemia.
Assessment of insulin secretion varied dramatically as a function of which of the 2 methods was used and which measure of insulin resistance or glycemia served as the independent variable. For example, the correlation between insulin secretion (HOMA-β) and insulin resistance varied from an r value of 0.74 (when HOMA-IR was used) to 0.22 (when SSPG concentration was used).
Conclusions about β-cell function in nondiabetic individuals depend on the measurements used to assess insulin action and insulin secretion. Viewing estimates of insulin secretion in relationship to measures of insulin resistance and/or degree of glycemia does not mean that an unequivocal measure of pancreatic β-cell function has been obtained.</description><identifier>ISSN: 0009-9147</identifier><identifier>EISSN: 1530-8561</identifier><identifier>DOI: 10.1373/clinchem.2010.152744</identifier><identifier>PMID: 21296973</identifier><language>eng</language><publisher>United States: Oxford University Press</publisher><subject>Adult ; Aged ; Diabetes ; Estimates ; Female ; Humans ; Insulin ; Insulin - metabolism ; Insulin resistance ; Insulin Secretion ; Male ; Middle Aged ; Reference Values</subject><ispartof>Clinical chemistry (Baltimore, Md.), 2011-04, Vol.57 (4), p.627-632</ispartof><rights>Copyright American Association for Clinical Chemistry Apr 2011</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c399t-724913cd0604bc2c89a83eb836d1301002b85fdf90488971e7ac4987a2ab02e63</citedby><cites>FETCH-LOGICAL-c399t-724913cd0604bc2c89a83eb836d1301002b85fdf90488971e7ac4987a2ab02e63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21296973$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Johns, Barry R</creatorcontrib><creatorcontrib>Abbasi, Fahim</creatorcontrib><creatorcontrib>Reaven, Gerald M</creatorcontrib><title>Estimates of insulin secretory function in apparently healthy volunteers vary as a function of how the relevant variables are quantified</title><title>Clinical chemistry (Baltimore, Md.)</title><addtitle>Clin Chem</addtitle><description>Several surrogate estimates have been used to define relationships between insulin action and pancreatic β-cell function in healthy individuals. Because it is unclear how conclusions about insulin secretory function depend on specific estimates used, we evaluated the effect of different approaches to measurement of insulin action and secretion on observations of pancreatic β-cell function in individuals whose fasting plasma glucose (FPG) was <7.0 mmol/L (126 mg/dL).
We determined 2 indices of insulin secretion [homeostasis model assessment of β-cell function (HOMA-β) and daylong insulin response to mixed meals], insulin action [homeostasis model assessment of insulin resistance (HOMA-IR) and steady-state plasma glucose (SSPG) concentration during the insulin suppression test], and degree of glycemia [fasting plasma glucose (FPG) and daylong glucose response to mixed meals] in 285 individuals with FPG <7.0 mmol/L. We compared the relationship between the 2 measures of insulin secretion as a function of the measures of insulin action and degree of glycemia.
Assessment of insulin secretion varied dramatically as a function of which of the 2 methods was used and which measure of insulin resistance or glycemia served as the independent variable. For example, the correlation between insulin secretion (HOMA-β) and insulin resistance varied from an r value of 0.74 (when HOMA-IR was used) to 0.22 (when SSPG concentration was used).
Conclusions about β-cell function in nondiabetic individuals depend on the measurements used to assess insulin action and insulin secretion. Viewing estimates of insulin secretion in relationship to measures of insulin resistance and/or degree of glycemia does not mean that an unequivocal measure of pancreatic β-cell function has been obtained.</description><subject>Adult</subject><subject>Aged</subject><subject>Diabetes</subject><subject>Estimates</subject><subject>Female</subject><subject>Humans</subject><subject>Insulin</subject><subject>Insulin - metabolism</subject><subject>Insulin resistance</subject><subject>Insulin Secretion</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Reference Values</subject><issn>0009-9147</issn><issn>1530-8561</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNpdkc9q3DAQxkVJaTabvkEJIpecnOqfLekYQpoWAr00ZyHLY-yglTaSvGXfII9dLbtpoadhRr_vGzEfQl8ouaVc8q_Oz8FNsLll5DBqmRTiA1rRlpNGtR09QytCiG40FfIcXeT8UlshVfcJnTPKdKclX6G3h1zmjS2QcRzxHPJSbXEGl6DEtMfjElyZY6hP2G63NkEofo8nsL5Me7yLfgkFIGW8sxW3Gdt_muo4xd-4TIATeNjZUA7YbHtf91Uv_LrU2TzOMFyij6P1GT6f6ho9f3v4df-9efr5-OP-7qlxXOvSSCY05W4gHRG9Y05pqzj0incD5fUQhPWqHYdRE6GUlhSkdUIraZntCYOOr9HN0Xeb4usCuZjNnB14bwPEJRvVaqa0JrqS1_-RL3FJoX7OqI5yJnUnKiSOkEsx5wSj2aZ6z7Q3lJhDTuY9J3PIyRxzqrKrk_fSb2D4K3oPhv8BTuaSzw</recordid><startdate>201104</startdate><enddate>201104</enddate><creator>Johns, Barry R</creator><creator>Abbasi, Fahim</creator><creator>Reaven, Gerald M</creator><general>Oxford University Press</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>3V.</scope><scope>4U-</scope><scope>7QO</scope><scope>7RV</scope><scope>7TM</scope><scope>7U7</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>88I</scope><scope>8AO</scope><scope>8C1</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>FR3</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>KB.</scope><scope>KB0</scope><scope>M0S</scope><scope>M1P</scope><scope>M2P</scope><scope>NAPCQ</scope><scope>P64</scope><scope>PCBAR</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope><scope>RC3</scope><scope>S0X</scope><scope>7X8</scope></search><sort><creationdate>201104</creationdate><title>Estimates of insulin secretory function in apparently healthy volunteers vary as a function of how the relevant variables are quantified</title><author>Johns, Barry R ; 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Because it is unclear how conclusions about insulin secretory function depend on specific estimates used, we evaluated the effect of different approaches to measurement of insulin action and secretion on observations of pancreatic β-cell function in individuals whose fasting plasma glucose (FPG) was <7.0 mmol/L (126 mg/dL).
We determined 2 indices of insulin secretion [homeostasis model assessment of β-cell function (HOMA-β) and daylong insulin response to mixed meals], insulin action [homeostasis model assessment of insulin resistance (HOMA-IR) and steady-state plasma glucose (SSPG) concentration during the insulin suppression test], and degree of glycemia [fasting plasma glucose (FPG) and daylong glucose response to mixed meals] in 285 individuals with FPG <7.0 mmol/L. We compared the relationship between the 2 measures of insulin secretion as a function of the measures of insulin action and degree of glycemia.
Assessment of insulin secretion varied dramatically as a function of which of the 2 methods was used and which measure of insulin resistance or glycemia served as the independent variable. For example, the correlation between insulin secretion (HOMA-β) and insulin resistance varied from an r value of 0.74 (when HOMA-IR was used) to 0.22 (when SSPG concentration was used).
Conclusions about β-cell function in nondiabetic individuals depend on the measurements used to assess insulin action and insulin secretion. Viewing estimates of insulin secretion in relationship to measures of insulin resistance and/or degree of glycemia does not mean that an unequivocal measure of pancreatic β-cell function has been obtained.</abstract><cop>United States</cop><pub>Oxford University Press</pub><pmid>21296973</pmid><doi>10.1373/clinchem.2010.152744</doi><tpages>6</tpages></addata></record> |
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| ispartof | Clinical chemistry (Baltimore, Md.), 2011-04, Vol.57 (4), p.627-632 |
| issn | 0009-9147 1530-8561 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_859289909 |
| source | MEDLINE; Oxford University Press Journals All Titles (1996-Current) |
| subjects | Adult Aged Diabetes Estimates Female Humans Insulin Insulin - metabolism Insulin resistance Insulin Secretion Male Middle Aged Reference Values |
| title | Estimates of insulin secretory function in apparently healthy volunteers vary as a function of how the relevant variables are quantified |
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