Pulsatile secretion of thyrotropin in children
To examine pulsatile TSH secretion, serum TSH was determined every 30 min for 24 h in eight short normal prepubertal children (3 males and 5 females, age 4.0-12.6 yr). All children exhibited a clear circadian pattern of TSH secretion. Pulsatile TSH secretion was identified in all subjects with a mea...
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Veröffentlicht in: | Journal of endocrinological investigation 1994-03, Vol.17 (3), p.189-193 |
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creator | LOCHE, S CHERUBINI, V BARTOLOTTA, E LAMPIS, A CARTA, D TOMASI, P PINTOR, C |
description | To examine pulsatile TSH secretion, serum TSH was determined every 30 min for 24 h in eight short normal prepubertal children (3 males and 5 females, age 4.0-12.6 yr). All children exhibited a clear circadian pattern of TSH secretion. Pulsatile TSH secretion was identified in all subjects with a mean (+/- SD) TSH pulse frequency of 6.9 +/- 1.2 pulses/24 h. The group mean TSH pulse amplitude was 1.4 +/- 0.3 mU/L. Mean TSH concentration was higher during the night hours (2.1 +/- 0.8 mU/L) than during the day hours (1.3 +/- 0.4 mU/L, p < 0.005), and significantly more pulses were detected during the night (mean 4.7 +/- 1.4) than during the day hours (2.1 +/- 0.6, p < 0.005). On average, 62 to 68% of the peaks were detected in the night hours. Mean TSH pulse amplitude during the night hours was not significantly different from that during the day hours. Our findings indicate that, as previously shown in adults, a pulsatile pattern of TSH secretion is present in children. In our study group, the nocturnal TSH surge is associated with an increase in pulse frequency but not amplitude. |
doi_str_mv | 10.1007/BF03347715 |
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All children exhibited a clear circadian pattern of TSH secretion. Pulsatile TSH secretion was identified in all subjects with a mean (+/- SD) TSH pulse frequency of 6.9 +/- 1.2 pulses/24 h. The group mean TSH pulse amplitude was 1.4 +/- 0.3 mU/L. Mean TSH concentration was higher during the night hours (2.1 +/- 0.8 mU/L) than during the day hours (1.3 +/- 0.4 mU/L, p < 0.005), and significantly more pulses were detected during the night (mean 4.7 +/- 1.4) than during the day hours (2.1 +/- 0.6, p < 0.005). On average, 62 to 68% of the peaks were detected in the night hours. Mean TSH pulse amplitude during the night hours was not significantly different from that during the day hours. Our findings indicate that, as previously shown in adults, a pulsatile pattern of TSH secretion is present in children. In our study group, the nocturnal TSH surge is associated with an increase in pulse frequency but not amplitude.</description><identifier>ISSN: 0391-4097</identifier><identifier>EISSN: 1720-8386</identifier><identifier>DOI: 10.1007/BF03347715</identifier><identifier>PMID: 8051341</identifier><identifier>CODEN: JEIND7</identifier><language>eng</language><publisher>Milano: Kurtis</publisher><subject>Biological and medical sciences ; Child ; Child, Preschool ; Circadian Rhythm ; Female ; Fundamental and applied biological sciences. Psychology ; Hormones and neuropeptides. Regulation ; Humans ; Hypothalamus. Hypophysis. Epiphysis. Urophysis ; Male ; Reference Values ; Thyrotropin - blood ; Thyrotropin - secretion ; Triiodothyronine - blood ; Vertebrates: endocrinology</subject><ispartof>Journal of endocrinological investigation, 1994-03, Vol.17 (3), p.189-193</ispartof><rights>1994 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c311t-cf96c99766a98fb5582ed9afc48d88541f990ceeb072b8aa9a5a376e09f7e9ed3</citedby><cites>FETCH-LOGICAL-c311t-cf96c99766a98fb5582ed9afc48d88541f990ceeb072b8aa9a5a376e09f7e9ed3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=3994702$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/8051341$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>LOCHE, S</creatorcontrib><creatorcontrib>CHERUBINI, V</creatorcontrib><creatorcontrib>BARTOLOTTA, E</creatorcontrib><creatorcontrib>LAMPIS, A</creatorcontrib><creatorcontrib>CARTA, D</creatorcontrib><creatorcontrib>TOMASI, P</creatorcontrib><creatorcontrib>PINTOR, C</creatorcontrib><title>Pulsatile secretion of thyrotropin in children</title><title>Journal of endocrinological investigation</title><addtitle>J Endocrinol Invest</addtitle><description>To examine pulsatile TSH secretion, serum TSH was determined every 30 min for 24 h in eight short normal prepubertal children (3 males and 5 females, age 4.0-12.6 yr). All children exhibited a clear circadian pattern of TSH secretion. Pulsatile TSH secretion was identified in all subjects with a mean (+/- SD) TSH pulse frequency of 6.9 +/- 1.2 pulses/24 h. The group mean TSH pulse amplitude was 1.4 +/- 0.3 mU/L. Mean TSH concentration was higher during the night hours (2.1 +/- 0.8 mU/L) than during the day hours (1.3 +/- 0.4 mU/L, p < 0.005), and significantly more pulses were detected during the night (mean 4.7 +/- 1.4) than during the day hours (2.1 +/- 0.6, p < 0.005). On average, 62 to 68% of the peaks were detected in the night hours. Mean TSH pulse amplitude during the night hours was not significantly different from that during the day hours. Our findings indicate that, as previously shown in adults, a pulsatile pattern of TSH secretion is present in children. In our study group, the nocturnal TSH surge is associated with an increase in pulse frequency but not amplitude.</description><subject>Biological and medical sciences</subject><subject>Child</subject><subject>Child, Preschool</subject><subject>Circadian Rhythm</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hormones and neuropeptides. Regulation</subject><subject>Humans</subject><subject>Hypothalamus. Hypophysis. Epiphysis. Urophysis</subject><subject>Male</subject><subject>Reference Values</subject><subject>Thyrotropin - blood</subject><subject>Thyrotropin - secretion</subject><subject>Triiodothyronine - blood</subject><subject>Vertebrates: endocrinology</subject><issn>0391-4097</issn><issn>1720-8386</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkMFLwzAUh4Moc04v3oUexIPQ-dI0TXLU4VQY6EHPJU1fWCRtZ9Ie9t9bWZnw4B1-H9_hI-SawpICiIenNTCWC0H5CZlTkUEqmSxOyRyYomkOSpyTixi_AZhgUszITAKnLKdzsvwYfNS985hENAF717VJZ5N-uw9dH7qda5PxzNb5OmB7Sc6s9hGvpr8gX-vnz9Vrunl_eVs9blLDKO1TY1VhlBJFoZW0Fecyw1ppa3JZS8lzapUCg1iByCqptdJcM1EgKCtQYc0W5O7g3YXuZ8DYl42LBr3XLXZDLEdzJiHjI3h_AE3oYgxoy11wjQ77kkL5F6f8jzPCN5N1qBqsj-hUY9xvp11Ho70NujUuHjGmVC4gY78H02rx</recordid><startdate>19940301</startdate><enddate>19940301</enddate><creator>LOCHE, S</creator><creator>CHERUBINI, V</creator><creator>BARTOLOTTA, E</creator><creator>LAMPIS, A</creator><creator>CARTA, D</creator><creator>TOMASI, P</creator><creator>PINTOR, C</creator><general>Kurtis</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>19940301</creationdate><title>Pulsatile secretion of thyrotropin in children</title><author>LOCHE, S ; CHERUBINI, V ; BARTOLOTTA, E ; LAMPIS, A ; CARTA, D ; TOMASI, P ; PINTOR, C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c311t-cf96c99766a98fb5582ed9afc48d88541f990ceeb072b8aa9a5a376e09f7e9ed3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Biological and medical sciences</topic><topic>Child</topic><topic>Child, Preschool</topic><topic>Circadian Rhythm</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hormones and neuropeptides. Regulation</topic><topic>Humans</topic><topic>Hypothalamus. Hypophysis. Epiphysis. Urophysis</topic><topic>Male</topic><topic>Reference Values</topic><topic>Thyrotropin - blood</topic><topic>Thyrotropin - secretion</topic><topic>Triiodothyronine - blood</topic><topic>Vertebrates: endocrinology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>LOCHE, S</creatorcontrib><creatorcontrib>CHERUBINI, V</creatorcontrib><creatorcontrib>BARTOLOTTA, E</creatorcontrib><creatorcontrib>LAMPIS, A</creatorcontrib><creatorcontrib>CARTA, D</creatorcontrib><creatorcontrib>TOMASI, P</creatorcontrib><creatorcontrib>PINTOR, C</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>Journal of endocrinological investigation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>LOCHE, S</au><au>CHERUBINI, V</au><au>BARTOLOTTA, E</au><au>LAMPIS, A</au><au>CARTA, D</au><au>TOMASI, P</au><au>PINTOR, C</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Pulsatile secretion of thyrotropin in children</atitle><jtitle>Journal of endocrinological investigation</jtitle><addtitle>J Endocrinol Invest</addtitle><date>1994-03-01</date><risdate>1994</risdate><volume>17</volume><issue>3</issue><spage>189</spage><epage>193</epage><pages>189-193</pages><issn>0391-4097</issn><eissn>1720-8386</eissn><coden>JEIND7</coden><abstract>To examine pulsatile TSH secretion, serum TSH was determined every 30 min for 24 h in eight short normal prepubertal children (3 males and 5 females, age 4.0-12.6 yr). All children exhibited a clear circadian pattern of TSH secretion. Pulsatile TSH secretion was identified in all subjects with a mean (+/- SD) TSH pulse frequency of 6.9 +/- 1.2 pulses/24 h. The group mean TSH pulse amplitude was 1.4 +/- 0.3 mU/L. Mean TSH concentration was higher during the night hours (2.1 +/- 0.8 mU/L) than during the day hours (1.3 +/- 0.4 mU/L, p < 0.005), and significantly more pulses were detected during the night (mean 4.7 +/- 1.4) than during the day hours (2.1 +/- 0.6, p < 0.005). On average, 62 to 68% of the peaks were detected in the night hours. Mean TSH pulse amplitude during the night hours was not significantly different from that during the day hours. Our findings indicate that, as previously shown in adults, a pulsatile pattern of TSH secretion is present in children. In our study group, the nocturnal TSH surge is associated with an increase in pulse frequency but not amplitude.</abstract><cop>Milano</cop><pub>Kurtis</pub><pmid>8051341</pmid><doi>10.1007/BF03347715</doi><tpages>5</tpages></addata></record> |
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subjects | Biological and medical sciences Child Child, Preschool Circadian Rhythm Female Fundamental and applied biological sciences. Psychology Hormones and neuropeptides. Regulation Humans Hypothalamus. Hypophysis. Epiphysis. Urophysis Male Reference Values Thyrotropin - blood Thyrotropin - secretion Triiodothyronine - blood Vertebrates: endocrinology |
title | Pulsatile secretion of thyrotropin in children |
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