Long-term effects of intraperitoneal injection of estradiol-17β on the growth and physiology of juvenile stellate sturgeon Acipenser stellatus.
Identifieur interne : 000184 ( Main/Exploration ); précédent : 000183; suivant : 000185Long-term effects of intraperitoneal injection of estradiol-17β on the growth and physiology of juvenile stellate sturgeon Acipenser stellatus.
Auteurs : Bahram Falahatkar [Iran] ; Samaneh Poursaeid ; Bahman Meknatkhah ; Hossein Khara ; Iraj EfatpanahSource :
- Fish physiology and biochemistry [ 1573-5168 ] ; 2014.
English descriptors
- KwdEn :
- Animals, Estradiol (administration & dosage), Female, Feminization (chemically induced), Fishes (blood), Fishes (growth & development), Fishes (physiology), Hemoglobins (metabolism), Injections, Intraperitoneal, Lipids (blood), Male, Oogenesis (drug effects), Sex Differentiation (drug effects), Sex Ratio, Time Factors.
- MESH :
- chemical , administration & dosage : Estradiol.
- blood : Fishes, Lipids.
- chemically induced : Feminization.
- drug effects : Oogenesis, Sex Differentiation.
- growth & development : Fishes.
- chemical , metabolism : Hemoglobins.
- physiology : Fishes.
- Animals, Female, Injections, Intraperitoneal, Male, Sex Ratio, Time Factors.
Abstract
Juvenile stellate sturgeon Acipenser stellatus were intraperitoneally injected with estradiol-17β (E2; 0 and 5 mg/kg fish) to investigate the possibility of sex reversal and also determine the changes in biochemical parameters. Five-month-old fish (40.9 ± 1.1 g) were injected every 3-week interval during a 190-day trial. At the termination of the experiment, final weight and other growth parameters including weight gain and specific growth rate, hepatosomatic and viscerosomatic indices were not affected by repetitive injection of E2. Hematological features of E2-treated fish showed significant reductions in number of red blood cells, hemoglobin concentration, hematocrit value and mean corpuscular hemoglobin (P < 0.05), but no significant changes were observed in number of white blood cells, mean corpuscular volume and mean corpuscular hemoglobin concentration (P > 0.05). Calcium, phosphorus, glucose, triacylglycerol, cholesterol, total protein and estradiol concentrations were significantly increased in fish injected with E2 (P < 0.001). Plasma progesterone and testosterone levels were noticeably lower in fish injected with 5 mg/kg E2 rather than the control fish (P < 0.001). Histological observations of gonads showed that all fish injected with 5 mg/kg E2 apparently feminized, while 66.6 % of the control group was female. These results revealed that the injection of E2 is an effective method for feminization of stellate sturgeon without having significant inhibitory effects on growth and survival.
DOI: 10.1007/s10695-013-9849-8
PubMed: 23990284
Affiliations:
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Box 1144, Sowmeh Sara, Guilan, Iran</wicri:regionArea><wicri:noRegion>Iran</wicri:noRegion></affiliation></author><author><name sortKey="Poursaeid, Samaneh" sort="Poursaeid, Samaneh" uniqKey="Poursaeid S" first="Samaneh" last="Poursaeid">Samaneh Poursaeid</name></author><author><name sortKey="Meknatkhah, Bahman" sort="Meknatkhah, Bahman" uniqKey="Meknatkhah B" first="Bahman" last="Meknatkhah">Bahman Meknatkhah</name></author><author><name sortKey="Khara, Hossein" sort="Khara, Hossein" uniqKey="Khara H" first="Hossein" last="Khara">Hossein Khara</name></author><author><name sortKey="Efatpanah, Iraj" sort="Efatpanah, Iraj" uniqKey="Efatpanah I" first="Iraj" last="Efatpanah">Iraj Efatpanah</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2014">2014</date><idno type="RBID">pubmed:23990284</idno><idno type="pmid">23990284</idno><idno type="doi">10.1007/s10695-013-9849-8</idno><idno type="wicri:Area/PubMed/Corpus">000199</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000199</idno><idno type="wicri:Area/PubMed/Curation">000199</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">000199</idno><idno type="wicri:Area/PubMed/Checkpoint">000199</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">000199</idno><idno type="wicri:Area/Ncbi/Merge">000500</idno><idno type="wicri:Area/Ncbi/Curation">000500</idno><idno type="wicri:Area/Ncbi/Checkpoint">000500</idno><idno type="wicri:Area/Main/Merge">000184</idno><idno type="wicri:Area/Main/Curation">000184</idno><idno type="wicri:Area/Main/Exploration">000184</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Long-term effects of intraperitoneal injection of estradiol-17β on the growth and physiology of juvenile stellate sturgeon Acipenser stellatus.</title><author><name sortKey="Falahatkar, Bahram" sort="Falahatkar, Bahram" uniqKey="Falahatkar B" first="Bahram" last="Falahatkar">Bahram Falahatkar</name><affiliation wicri:level="1"><nlm:affiliation>Fisheries Department, Faculty of Natural Resources, University of Guilan, P. O. Box 1144, Sowmeh Sara, Guilan, Iran, falahatkar@guilan.ac.ir.</nlm:affiliation><country wicri:rule="url">Iran</country><wicri:regionArea>Fisheries Department, Faculty of Natural Resources, University of Guilan, P. O. Box 1144, Sowmeh Sara, Guilan, Iran</wicri:regionArea><wicri:noRegion>Iran</wicri:noRegion></affiliation></author><author><name sortKey="Poursaeid, Samaneh" sort="Poursaeid, Samaneh" uniqKey="Poursaeid S" first="Samaneh" last="Poursaeid">Samaneh Poursaeid</name></author><author><name sortKey="Meknatkhah, Bahman" sort="Meknatkhah, Bahman" uniqKey="Meknatkhah B" first="Bahman" last="Meknatkhah">Bahman Meknatkhah</name></author><author><name sortKey="Khara, Hossein" sort="Khara, Hossein" uniqKey="Khara H" first="Hossein" last="Khara">Hossein Khara</name></author><author><name sortKey="Efatpanah, Iraj" sort="Efatpanah, Iraj" uniqKey="Efatpanah I" first="Iraj" last="Efatpanah">Iraj Efatpanah</name></author></analytic><series><title level="j">Fish physiology and biochemistry</title><idno type="eISSN">1573-5168</idno><imprint><date when="2014" type="published">2014</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Estradiol (administration & dosage)</term><term>Female</term><term>Feminization (chemically induced)</term><term>Fishes (blood)</term><term>Fishes (growth & development)</term><term>Fishes (physiology)</term><term>Hemoglobins (metabolism)</term><term>Injections, Intraperitoneal</term><term>Lipids (blood)</term><term>Male</term><term>Oogenesis (drug effects)</term><term>Sex Differentiation (drug effects)</term><term>Sex Ratio</term><term>Time Factors</term></keywords><keywords scheme="MESH" type="chemical" qualifier="administration & dosage" xml:lang="en"><term>Estradiol</term></keywords><keywords scheme="MESH" qualifier="blood" xml:lang="en"><term>Fishes</term><term>Lipids</term></keywords><keywords scheme="MESH" qualifier="chemically induced" xml:lang="en"><term>Feminization</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Oogenesis</term><term>Sex Differentiation</term></keywords><keywords scheme="MESH" qualifier="growth & development" xml:lang="en"><term>Fishes</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Hemoglobins</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fishes</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Female</term><term>Injections, Intraperitoneal</term><term>Male</term><term>Sex Ratio</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Juvenile stellate sturgeon Acipenser stellatus were intraperitoneally injected with estradiol-17β (E2; 0 and 5 mg/kg fish) to investigate the possibility of sex reversal and also determine the changes in biochemical parameters. Five-month-old fish (40.9 ± 1.1 g) were injected every 3-week interval during a 190-day trial. At the termination of the experiment, final weight and other growth parameters including weight gain and specific growth rate, hepatosomatic and viscerosomatic indices were not affected by repetitive injection of E2. Hematological features of E2-treated fish showed significant reductions in number of red blood cells, hemoglobin concentration, hematocrit value and mean corpuscular hemoglobin (P < 0.05), but no significant changes were observed in number of white blood cells, mean corpuscular volume and mean corpuscular hemoglobin concentration (P > 0.05). Calcium, phosphorus, glucose, triacylglycerol, cholesterol, total protein and estradiol concentrations were significantly increased in fish injected with E2 (P < 0.001). Plasma progesterone and testosterone levels were noticeably lower in fish injected with 5 mg/kg E2 rather than the control fish (P < 0.001). Histological observations of gonads showed that all fish injected with 5 mg/kg E2 apparently feminized, while 66.6 % of the control group was female. These results revealed that the injection of E2 is an effective method for feminization of stellate sturgeon without having significant inhibitory effects on growth and survival.</div></front></TEI><affiliations><list><country><li>Iran</li></country></list><tree><noCountry><name sortKey="Efatpanah, Iraj" sort="Efatpanah, Iraj" uniqKey="Efatpanah I" first="Iraj" last="Efatpanah">Iraj Efatpanah</name><name sortKey="Khara, Hossein" sort="Khara, Hossein" uniqKey="Khara H" first="Hossein" last="Khara">Hossein Khara</name><name sortKey="Meknatkhah, Bahman" sort="Meknatkhah, Bahman" uniqKey="Meknatkhah B" first="Bahman" last="Meknatkhah">Bahman Meknatkhah</name><name sortKey="Poursaeid, Samaneh" sort="Poursaeid, Samaneh" uniqKey="Poursaeid S" first="Samaneh" last="Poursaeid">Samaneh Poursaeid</name></noCountry><country name="Iran"><noRegion><name sortKey="Falahatkar, Bahram" sort="Falahatkar, Bahram" uniqKey="Falahatkar B" first="Bahram" last="Falahatkar">Bahram Falahatkar</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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