A comparative analysis of somatolactin-related immunoreactivity in the pituitaries of four neopterygian fishes and one chondrostean fish: an immunohistochemical study.
Identifieur interne : 001A33 ( Main/Merge ); précédent : 001A32; suivant : 001A34A comparative analysis of somatolactin-related immunoreactivity in the pituitaries of four neopterygian fishes and one chondrostean fish: an immunohistochemical study.
Auteurs : R M Dores [États-Unis] ; N E Hoffman ; T. Chilcutt-Ruth ; A. Lancha ; C. Brown ; L. Marra ; J. YousonSource :
- General and comparative endocrinology [ 0016-6480 ] ; 1996.
English descriptors
- KwdEn :
- MESH :
- chemical , analysis : Glycoproteins, Pituitary Hormones.
- chemical : Fish Proteins.
- chemistry : Pituitary Gland.
- metabolism : Fishes.
- Animals, Female, Immunohistochemistry, Male.
Abstract
An antiserum to cod somatolactin (SL) was used for immunohistochemical screening for the pars intermedia of two teleosts (Oreochromis mossambicus and Gymothorax meleagris), two holostean fishes (Lepisosteus osseus and Amia calva), and a chondrostean fish (Acipenser fulvescens) for SL-immunopositive (SL-IR) cells. As expected, a subset of the epithelial cells in the pars intermedia of O. mossambicus (tilapia) was immunopositive for SL, and the remainder of the epithelial cells was immunopositive for alpha-MSH-specific antiserum (alpha-MSH-IR). SL-IR was not detected in any of the epithelial cells in the pars intermedia of the moray eel G. meleagris. To determine whether SL-IR could be detected in nonteleost fishes, immunohistochemical analyses were done on the pituitaries of two holostean fishes and one chondrostean fish. In the pars intermedia of the gar, L. osseus, a subset of cells was immunopositive for alpha-MSH only. However, in the pars intermedia of the bowfin, A. calva, all of the epithelial cells indicated the presence of both SL and alpha-MSH. Finally, no SL-positive cells were detected in the pars intermedia of the sturgeon, A. fulvescens.
DOI: 10.1006/gcen.1996.0049
PubMed: 8860312
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">A comparative analysis of somatolactin-related immunoreactivity in the pituitaries of four neopterygian fishes and one chondrostean fish: an immunohistochemical study.</title><author><name sortKey="Dores, R M" sort="Dores, R M" uniqKey="Dores R" first="R M" last="Dores">R M Dores</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biological Sciences, University of Denver, Colorado 80208, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Biological Sciences, University of Denver, Colorado 80208</wicri:regionArea><wicri:noRegion>Colorado 80208</wicri:noRegion></affiliation></author><author><name sortKey="Hoffman, N E" sort="Hoffman, N E" uniqKey="Hoffman N" first="N E" last="Hoffman">N E Hoffman</name></author><author><name sortKey="Chilcutt Ruth, T" sort="Chilcutt Ruth, T" uniqKey="Chilcutt Ruth T" first="T" last="Chilcutt-Ruth">T. Chilcutt-Ruth</name></author><author><name sortKey="Lancha, A" sort="Lancha, A" uniqKey="Lancha A" first="A" last="Lancha">A. Lancha</name></author><author><name sortKey="Brown, C" sort="Brown, C" uniqKey="Brown C" first="C" last="Brown">C. Brown</name></author><author><name sortKey="Marra, L" sort="Marra, L" uniqKey="Marra L" first="L" last="Marra">L. Marra</name></author><author><name sortKey="Youson, J" sort="Youson, J" uniqKey="Youson J" first="J" last="Youson">J. Youson</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="1996">1996</date><idno type="RBID">pubmed:8860312</idno><idno type="pmid">8860312</idno><idno type="doi">10.1006/gcen.1996.0049</idno><idno type="wicri:Area/PubMed/Corpus">000688</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000688</idno><idno type="wicri:Area/PubMed/Curation">000688</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">000688</idno><idno type="wicri:Area/PubMed/Checkpoint">000688</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">000688</idno><idno type="wicri:Area/Ncbi/Merge">000879</idno><idno type="wicri:Area/Ncbi/Curation">000879</idno><idno type="wicri:Area/Ncbi/Checkpoint">000879</idno><idno type="wicri:doubleKey">0016-6480:1996:Dores R:a:comparative:analysis</idno><idno type="wicri:Area/Main/Merge">001A33</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">A comparative analysis of somatolactin-related immunoreactivity in the pituitaries of four neopterygian fishes and one chondrostean fish: an immunohistochemical study.</title><author><name sortKey="Dores, R M" sort="Dores, R M" uniqKey="Dores R" first="R M" last="Dores">R M Dores</name><affiliation wicri:level="1"><nlm:affiliation>Department of Biological Sciences, University of Denver, Colorado 80208, USA.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Biological Sciences, University of Denver, Colorado 80208</wicri:regionArea><wicri:noRegion>Colorado 80208</wicri:noRegion></affiliation></author><author><name sortKey="Hoffman, N E" sort="Hoffman, N E" uniqKey="Hoffman N" first="N E" last="Hoffman">N E Hoffman</name></author><author><name sortKey="Chilcutt Ruth, T" sort="Chilcutt Ruth, T" uniqKey="Chilcutt Ruth T" first="T" last="Chilcutt-Ruth">T. Chilcutt-Ruth</name></author><author><name sortKey="Lancha, A" sort="Lancha, A" uniqKey="Lancha A" first="A" last="Lancha">A. Lancha</name></author><author><name sortKey="Brown, C" sort="Brown, C" uniqKey="Brown C" first="C" last="Brown">C. Brown</name></author><author><name sortKey="Marra, L" sort="Marra, L" uniqKey="Marra L" first="L" last="Marra">L. Marra</name></author><author><name sortKey="Youson, J" sort="Youson, J" uniqKey="Youson J" first="J" last="Youson">J. Youson</name></author></analytic><series><title level="j">General and comparative endocrinology</title><idno type="ISSN">0016-6480</idno><imprint><date when="1996" type="published">1996</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Female</term><term>Fish Proteins</term><term>Fishes (metabolism)</term><term>Glycoproteins (analysis)</term><term>Immunohistochemistry</term><term>Male</term><term>Pituitary Gland (chemistry)</term><term>Pituitary Hormones (analysis)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="analysis" xml:lang="en"><term>Glycoproteins</term><term>Pituitary Hormones</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Fish Proteins</term></keywords><keywords scheme="MESH" qualifier="chemistry" xml:lang="en"><term>Pituitary Gland</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Fishes</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Female</term><term>Immunohistochemistry</term><term>Male</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">An antiserum to cod somatolactin (SL) was used for immunohistochemical screening for the pars intermedia of two teleosts (Oreochromis mossambicus and Gymothorax meleagris), two holostean fishes (Lepisosteus osseus and Amia calva), and a chondrostean fish (Acipenser fulvescens) for SL-immunopositive (SL-IR) cells. As expected, a subset of the epithelial cells in the pars intermedia of O. mossambicus (tilapia) was immunopositive for SL, and the remainder of the epithelial cells was immunopositive for alpha-MSH-specific antiserum (alpha-MSH-IR). SL-IR was not detected in any of the epithelial cells in the pars intermedia of the moray eel G. meleagris. To determine whether SL-IR could be detected in nonteleost fishes, immunohistochemical analyses were done on the pituitaries of two holostean fishes and one chondrostean fish. In the pars intermedia of the gar, L. osseus, a subset of cells was immunopositive for alpha-MSH only. However, in the pars intermedia of the bowfin, A. calva, all of the epithelial cells indicated the presence of both SL and alpha-MSH. Finally, no SL-positive cells were detected in the pars intermedia of the sturgeon, A. fulvescens.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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