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https://hdl.handle.net/1959.11/10521
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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Sartin, JL | en |
dc.contributor.author | Kemppainen, RJ | en |
dc.contributor.author | Marple, DN | en |
dc.contributor.author | Carnes, R | en |
dc.contributor.author | Dieberg, Gudrun | en |
dc.contributor.author | Oliver, EH | en |
dc.date.accessioned | 2012-06-22T15:07:00Z | - |
dc.date.issued | 1987 | - |
dc.identifier.citation | Domestic Animal Endocrinology, 4(1), p. 33-41 | en |
dc.identifier.issn | 1879-0054 | en |
dc.identifier.issn | 0739-7240 | en |
dc.identifier.uri | https://hdl.handle.net/1959.11/10521 | - |
dc.description.abstract | Adrenergic and perhaps dopaminergic neurons provide inhibitory regulation of growth hormone (GH) secretion in ruminants. This suggests that either serotonergic or other neurons regulate the stimulatory release of GH. The nature of neurotransmitter control of adrenocorticotropin (ACTH) secretion in ruminants has not been determined. Parachlorophenylalanine (PCPA; serotonin synthesis inhibitor), quipazine (serotonin receptor agonist) and cyproheptadine (serotonin receptor antagonist) were utilized in Holstein steers to determine whether serotonin receptors mediate stimulatory actions on GH and ACTH secretion. PCPA (100 mg/kg BW) administered each day at 1900 hr for three successive days did not alter mean GH concentrations, amplitude of GH peaks, nor the number of GH peaks. Likewise, PCPA altered none of these parameters for ACTH. Quipazine injected iv at .1 or .5 mg/kg BW increased plasma GH (P<.05) and ACTH (P<.001) concentrations. There was a dose effect of quipazine on both GH (P<.05) and ACTH (P<.001) secretion. Pretreatment of steers with cyproheptadine (.06 and .6 mg/kg BW) reduced the stimulation of GH by quipazine (P<.0001) and decreased basal GH concentrations (P<.0004). Cyproheptadine at .06 mg/kg BW did not alter quipazineeffects on ACTH, however, the higher dose decreased the peak ACTH response (P<.02) to quipazine. Studies with quipazine and cyproheptadine indicated that serotonergic mechanisms are likely involved in the regulation of GH and ACTH secretion in steers. | en |
dc.language | en | en |
dc.publisher | Elsevier Inc | en |
dc.relation.ispartof | Domestic Animal Endocrinology | en |
dc.title | Effects of parachlorophenylalanine, quipazine and cyproheptadine on growth hormone and adrenocorticotropin secretion in steers | en |
dc.type | Journal Article | en |
dc.identifier.doi | 10.1016/0739-7240(87)90036-1 | en |
dc.subject.keywords | Animal Physiology - Systems | en |
local.contributor.firstname | JL | en |
local.contributor.firstname | RJ | en |
local.contributor.firstname | DN | en |
local.contributor.firstname | R | en |
local.contributor.firstname | Gudrun | en |
local.contributor.firstname | EH | en |
local.subject.for2008 | 060603 Animal Physiology - Systems | en |
local.subject.seo2008 | 970106 Expanding Knowledge in the Biological Sciences | en |
local.profile.school | School of Science and Technology | en |
local.profile.email | gdieberg@une.edu.au | en |
local.output.category | C1 | en |
local.record.place | au | en |
local.record.institution | University of New England | en |
local.identifier.epublicationsrecord | une-20120615-152252 | en |
local.publisher.place | United States of America | en |
local.format.startpage | 33 | en |
local.format.endpage | 41 | en |
local.identifier.scopusid | 0023165960 | en |
local.peerreviewed | Yes | en |
local.identifier.volume | 4 | en |
local.identifier.issue | 1 | en |
local.contributor.lastname | Sartin | en |
local.contributor.lastname | Kemppainen | en |
local.contributor.lastname | Marple | en |
local.contributor.lastname | Carnes | en |
local.contributor.lastname | Dieberg | en |
local.contributor.lastname | Oliver | en |
dc.identifier.staff | une-id:gdieberg | en |
local.profile.orcid | 0000-0001-7191-182X | en |
local.profile.role | author | en |
local.profile.role | author | en |
local.profile.role | author | en |
local.profile.role | author | en |
local.profile.role | author | en |
local.profile.role | author | en |
local.identifier.unepublicationid | une:10716 | en |
dc.identifier.academiclevel | Academic | en |
local.title.maintitle | Effects of parachlorophenylalanine, quipazine and cyproheptadine on growth hormone and adrenocorticotropin secretion in steers | en |
local.output.categorydescription | C1 Refereed Article in a Scholarly Journal | en |
local.search.author | Sartin, JL | en |
local.search.author | Kemppainen, RJ | en |
local.search.author | Marple, DN | en |
local.search.author | Carnes, R | en |
local.search.author | Dieberg, Gudrun | en |
local.search.author | Oliver, EH | en |
local.uneassociation | Unknown | en |
local.year.published | 1987 | en |
Appears in Collections: | Journal Article |
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