Plasma steroids in the ammocoete of Petromyzon marinus
Radioimmunoassays revealed the presence of the following steroids (or immunoreactive steroid fractions) in the plasma of larval sea lampreys: progesterone, corticosterone, cortisol, androstenedione, testosterone, dihydrotestosterone, estrone, and estradiol. Several types of stress served to provoke...
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| Veröffentlicht in: | General and comparative endocrinology 1984-01, Vol.55 (3), p.361-366 |
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| container_end_page | 366 |
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| container_title | General and comparative endocrinology |
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| creator | Dashow, Larry Katz, Yair Trachtman, Mark S. Epple, August |
| description | Radioimmunoassays revealed the presence of the following steroids (or immunoreactive steroid fractions) in the plasma of larval sea lampreys: progesterone, corticosterone, cortisol, androstenedione, testosterone, dihydrotestosterone, estrone, and estradiol. Several types of stress served to provoke the release of these substances. A statistically significant effect of the treatment was noted under only one condition: squeezing of the body of decapitated ammocoetes during blood collection caused an increase in plasma dihydrotestosterone and a decrease in plasma estradiol. The discovery of all eight steroids (or immunoreactivities) assayed for suggests that the plasma of the ammocoete may contain a considerable number of additional steroids yet to be identified. |
| doi_str_mv | 10.1016/0016-6480(84)90004-2 |
| format | Article |
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Several types of stress served to provoke the release of these substances. A statistically significant effect of the treatment was noted under only one condition: squeezing of the body of decapitated ammocoetes during blood collection caused an increase in plasma dihydrotestosterone and a decrease in plasma estradiol. The discovery of all eight steroids (or immunoreactivities) assayed for suggests that the plasma of the ammocoete may contain a considerable number of additional steroids yet to be identified.</description><identifier>ISSN: 0016-6480</identifier><identifier>EISSN: 1095-6840</identifier><identifier>DOI: 10.1016/0016-6480(84)90004-2</identifier><identifier>PMID: 6468916</identifier><identifier>CODEN: GCENA5</identifier><language>eng</language><publisher>San Diego, CA: Elsevier Inc</publisher><subject>Androstenedione - blood ; Animals ; Biological and medical sciences ; Corticosterone - blood ; Dihydrotestosterone - blood ; Estradiol - blood ; Estrone - blood ; Fishes - blood ; Fundamental and applied biological sciences. Psychology ; Hydrocortisone - blood ; Lampreys - blood ; Progesterone - blood ; Radioimmunoassay ; Steroid hormones. Cholecalciferol derivatives ; Steroids - blood ; Stress, Physiological - blood ; Testosterone - blood ; Time Factors ; Vertebrates: endocrinology</subject><ispartof>General and comparative endocrinology, 1984-01, Vol.55 (3), p.361-366</ispartof><rights>1984</rights><rights>1985 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c417t-1a0909c86889950525a94872e003c1c2650149c4a57fa482db0fc66a3b8f34423</citedby><cites>FETCH-LOGICAL-c417t-1a0909c86889950525a94872e003c1c2650149c4a57fa482db0fc66a3b8f34423</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/0016-6480(84)90004-2$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3548,27923,27924,45994</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=9057747$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/6468916$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Dashow, Larry</creatorcontrib><creatorcontrib>Katz, Yair</creatorcontrib><creatorcontrib>Trachtman, Mark S.</creatorcontrib><creatorcontrib>Epple, August</creatorcontrib><title>Plasma steroids in the ammocoete of Petromyzon marinus</title><title>General and comparative endocrinology</title><addtitle>Gen Comp Endocrinol</addtitle><description>Radioimmunoassays revealed the presence of the following steroids (or immunoreactive steroid fractions) in the plasma of larval sea lampreys: progesterone, corticosterone, cortisol, androstenedione, testosterone, dihydrotestosterone, estrone, and estradiol. Several types of stress served to provoke the release of these substances. A statistically significant effect of the treatment was noted under only one condition: squeezing of the body of decapitated ammocoetes during blood collection caused an increase in plasma dihydrotestosterone and a decrease in plasma estradiol. The discovery of all eight steroids (or immunoreactivities) assayed for suggests that the plasma of the ammocoete may contain a considerable number of additional steroids yet to be identified.</description><subject>Androstenedione - blood</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Corticosterone - blood</subject><subject>Dihydrotestosterone - blood</subject><subject>Estradiol - blood</subject><subject>Estrone - blood</subject><subject>Fishes - blood</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hydrocortisone - blood</subject><subject>Lampreys - blood</subject><subject>Progesterone - blood</subject><subject>Radioimmunoassay</subject><subject>Steroid hormones. Cholecalciferol derivatives</subject><subject>Steroids - blood</subject><subject>Stress, Physiological - blood</subject><subject>Testosterone - blood</subject><subject>Time Factors</subject><subject>Vertebrates: endocrinology</subject><issn>0016-6480</issn><issn>1095-6840</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1984</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE1LxDAQhoMo67r6DxR6ENFDddImaXIRZPELFtyDnkM2nWKkbdakK6y_3tZd9qiXmcM88zLzEHJK4ZoCFTfQl1QwCZeSXSkAYGm2R8YUFE-FZLBPxjvkkBzF-NEzPBd0REaCCamoGBMxr01sTBI7DN6VMXFt0r1jYprGW48dJr5K5tgF36y_fZs0Jrh2FY_JQWXqiCfbPiFvD_ev06d09vL4PL2bpZbRokupAQXKSiGlUhx4xo1issgQILfUZoIDZcoyw4vKMJmVC6isECZfyCpnLMsn5GKTuwz-c4Wx042LFuvatOhXUUuaQS6y4l-QMqAc5JDINqANPsaAlV4G13-11hT04FUP0vQgTUumf73qYe1sm79aNFjulrYi-_n5dm6iNXUVTGtd3GEKeFGw4czbDYa9tC-HQUfrsLVYuoC206V3f9_xA_MVkPQ</recordid><startdate>19840101</startdate><enddate>19840101</enddate><creator>Dashow, Larry</creator><creator>Katz, Yair</creator><creator>Trachtman, Mark S.</creator><creator>Epple, August</creator><general>Elsevier Inc</general><general>Elsevier</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>7SQ</scope><scope>7X8</scope></search><sort><creationdate>19840101</creationdate><title>Plasma steroids in the ammocoete of Petromyzon marinus</title><author>Dashow, Larry ; Katz, Yair ; Trachtman, Mark S. ; Epple, August</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c417t-1a0909c86889950525a94872e003c1c2650149c4a57fa482db0fc66a3b8f34423</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1984</creationdate><topic>Androstenedione - blood</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Corticosterone - blood</topic><topic>Dihydrotestosterone - blood</topic><topic>Estradiol - blood</topic><topic>Estrone - blood</topic><topic>Fishes - blood</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hydrocortisone - blood</topic><topic>Lampreys - blood</topic><topic>Progesterone - blood</topic><topic>Radioimmunoassay</topic><topic>Steroid hormones. Cholecalciferol derivatives</topic><topic>Steroids - blood</topic><topic>Stress, Physiological - blood</topic><topic>Testosterone - blood</topic><topic>Time Factors</topic><topic>Vertebrates: endocrinology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dashow, Larry</creatorcontrib><creatorcontrib>Katz, Yair</creatorcontrib><creatorcontrib>Trachtman, Mark S.</creatorcontrib><creatorcontrib>Epple, August</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>Endocrinology Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>General and comparative endocrinology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dashow, Larry</au><au>Katz, Yair</au><au>Trachtman, Mark S.</au><au>Epple, August</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Plasma steroids in the ammocoete of Petromyzon marinus</atitle><jtitle>General and comparative endocrinology</jtitle><addtitle>Gen Comp Endocrinol</addtitle><date>1984-01-01</date><risdate>1984</risdate><volume>55</volume><issue>3</issue><spage>361</spage><epage>366</epage><pages>361-366</pages><issn>0016-6480</issn><eissn>1095-6840</eissn><coden>GCENA5</coden><abstract>Radioimmunoassays revealed the presence of the following steroids (or immunoreactive steroid fractions) in the plasma of larval sea lampreys: progesterone, corticosterone, cortisol, androstenedione, testosterone, dihydrotestosterone, estrone, and estradiol. 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| ispartof | General and comparative endocrinology, 1984-01, Vol.55 (3), p.361-366 |
| issn | 0016-6480 1095-6840 |
| language | eng |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | Androstenedione - blood Animals Biological and medical sciences Corticosterone - blood Dihydrotestosterone - blood Estradiol - blood Estrone - blood Fishes - blood Fundamental and applied biological sciences. Psychology Hydrocortisone - blood Lampreys - blood Progesterone - blood Radioimmunoassay Steroid hormones. Cholecalciferol derivatives Steroids - blood Stress, Physiological - blood Testosterone - blood Time Factors Vertebrates: endocrinology |
| title | Plasma steroids in the ammocoete of Petromyzon marinus |
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