Regulation of spermatozoa motility in response to cations in Russian sturgeon Acipenser gueldenstaedtii.
Identifieur interne : 000430 ( Main/Exploration ); précédent : 000429; suivant : 000431Regulation of spermatozoa motility in response to cations in Russian sturgeon Acipenser gueldenstaedtii.
Auteurs : Ping Li [République tchèque] ; Zhi-Hua Li ; M. Hulak ; M. Rodina ; O. LinhartSource :
- Theriogenology [ 1879-3231 ] ; 2012.
English descriptors
- KwdEn :
- Animals, Aquaculture, Calcium (pharmacology), Cations (pharmacology), Dose-Response Relationship, Drug, Fishes (physiology), Magnesium (pharmacology), Male, Osmolar Concentration, Potassium (pharmacology), Semen Analysis, Sodium (pharmacology), Sperm Motility (drug effects), Spermatozoa (drug effects), Spermatozoa (physiology), Swimming.
- MESH :
- chemical , pharmacology : Calcium, Cations, Magnesium, Potassium, Sodium.
- drug effects : Sperm Motility, Spermatozoa.
- physiology : Fishes, Spermatozoa.
- Animals, Aquaculture, Dose-Response Relationship, Drug, Male, Osmolar Concentration, Semen Analysis, Swimming.
Abstract
The aim of this study was to investigate the response of Russian sturgeon (Acipenser gueldenstaedtii) sperm to external cations (Na(+), K(+), Ca(2+), and Mg(2+)) and their susceptibility on the induction of motility and swimming behavior. An in vitro spermatozoa motility assay was used by a computer-aided Motion-Analysis system. Sperm motility was inhibited by 60 mM NaCl (~140 mOsm/kg) and 0.7 mM KCl solutions (~ 21.4 mOsm/kg). The Ca(2+) and Mg(2+) ions were not able to inhibit spermatozoa motility. By contrast, Na(+) within a limited concentration range (between 45 and 55 mm) was able to reverse the inhibitory effect of K(+) at the critical concentration (0.7 mM). Ca(2+) and Mg(2+) were also able to reverse the K(+)-mediated spermatozoa motility restriction at concentrations starting at 0.01 and 0.1 mM, respectively. These results provide evidence for the role of K(+) in suppressing spermatozoa motility, and suggest that Ca(2+), Mg(2+), and possibly Na(+) trigger motility in Russian sturgeon sperm.
DOI: 10.1016/j.theriogenology.2012.01.025
PubMed: 22444559
Affiliations:
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Hulak</name></author><author><name sortKey="Rodina, M" sort="Rodina, M" uniqKey="Rodina M" first="M" last="Rodina">M. Rodina</name></author><author><name sortKey="Linhart, O" sort="Linhart, O" uniqKey="Linhart O" first="O" last="Linhart">O. 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Hulak</name></author><author><name sortKey="Rodina, M" sort="Rodina, M" uniqKey="Rodina M" first="M" last="Rodina">M. Rodina</name></author><author><name sortKey="Linhart, O" sort="Linhart, O" uniqKey="Linhart O" first="O" last="Linhart">O. Linhart</name></author></analytic><series><title level="j">Theriogenology</title><idno type="eISSN">1879-3231</idno><imprint><date when="2012" type="published">2012</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Aquaculture</term><term>Calcium (pharmacology)</term><term>Cations (pharmacology)</term><term>Dose-Response Relationship, Drug</term><term>Fishes (physiology)</term><term>Magnesium (pharmacology)</term><term>Male</term><term>Osmolar Concentration</term><term>Potassium (pharmacology)</term><term>Semen Analysis</term><term>Sodium (pharmacology)</term><term>Sperm Motility (drug effects)</term><term>Spermatozoa (drug effects)</term><term>Spermatozoa (physiology)</term><term>Swimming</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacology" xml:lang="en"><term>Calcium</term><term>Cations</term><term>Magnesium</term><term>Potassium</term><term>Sodium</term></keywords><keywords scheme="MESH" qualifier="drug effects" xml:lang="en"><term>Sperm Motility</term><term>Spermatozoa</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Fishes</term><term>Spermatozoa</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Aquaculture</term><term>Dose-Response Relationship, Drug</term><term>Male</term><term>Osmolar Concentration</term><term>Semen Analysis</term><term>Swimming</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The aim of this study was to investigate the response of Russian sturgeon (Acipenser gueldenstaedtii) sperm to external cations (Na(+), K(+), Ca(2+), and Mg(2+)) and their susceptibility on the induction of motility and swimming behavior. An in vitro spermatozoa motility assay was used by a computer-aided Motion-Analysis system. Sperm motility was inhibited by 60 mM NaCl (~140 mOsm/kg) and 0.7 mM KCl solutions (~ 21.4 mOsm/kg). The Ca(2+) and Mg(2+) ions were not able to inhibit spermatozoa motility. By contrast, Na(+) within a limited concentration range (between 45 and 55 mm) was able to reverse the inhibitory effect of K(+) at the critical concentration (0.7 mM). Ca(2+) and Mg(2+) were also able to reverse the K(+)-mediated spermatozoa motility restriction at concentrations starting at 0.01 and 0.1 mM, respectively. These results provide evidence for the role of K(+) in suppressing spermatozoa motility, and suggest that Ca(2+), Mg(2+), and possibly Na(+) trigger motility in Russian sturgeon sperm.</div></front></TEI><affiliations><list><country><li>République tchèque</li></country></list><tree><noCountry><name sortKey="Hulak, M" sort="Hulak, M" uniqKey="Hulak M" first="M" last="Hulak">M. Hulak</name><name sortKey="Li, Zhi Hua" sort="Li, Zhi Hua" uniqKey="Li Z" first="Zhi-Hua" last="Li">Zhi-Hua Li</name><name sortKey="Linhart, O" sort="Linhart, O" uniqKey="Linhart O" first="O" last="Linhart">O. Linhart</name><name sortKey="Rodina, M" sort="Rodina, M" uniqKey="Rodina M" first="M" last="Rodina">M. Rodina</name></noCountry><country name="République tchèque"><noRegion><name sortKey="Li, Ping" sort="Li, Ping" uniqKey="Li P" first="Ping" last="Li">Ping Li</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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