Distribution of serotonin (5HT)-immunoreactive structures in the central nervous system of two chondrostean species (Acipenser baeri and Huso huso).
Identifieur interne : 000005 ( Ncbi/Checkpoint ); précédent : 000004; suivant : 000006Distribution of serotonin (5HT)-immunoreactive structures in the central nervous system of two chondrostean species (Acipenser baeri and Huso huso).
Auteurs : F. Adrio [Espagne] ; R. Anad N ; I. Rodríguez-MoldesSource :
- The Journal of comparative neurology [ 0021-9967 ] ; 1999.
English descriptors
- KwdEn :
- MESH :
- chemical , metabolism : Serotonin.
- metabolism : Brain, Central Nervous System, Fishes, Spinal Cord.
- physiology : Tissue Distribution.
- Animals, Immunohistochemistry.
Abstract
The distribution of serotonin-immunoreactive (5HT-ir) elements was studied in the brain and rostral spinal cord of two chondrosteans, Acipenser baeri and Huso huso, by using an antibody against serotonin. The distribution of these elements was similar in both sturgeon species. In the telencephalon, 5HT-ir cells were found in the olfactory bulb and in the medioventral wall of the telencephalic ventricle, rostral to the anterior commissure, the latter being cerebrospinal fluid-contacting (CSF-C) neurons. The diencephalon contained the highest number of 5HT-ir cell bodies, most of them of CSF-C type, located in the preoptic recess organ, paraventricular organ, posterior recess nucleus, and in the ventromedial thalamus. 5HT-ir non-CSF-C neurons appeared in the dorsal thalamic nucleus. In the brainstem, 5HT-ir neurons were located in four raphe nuclei (dorsal, superior, medial and inferior raphe nuclei) and four lateral reticular nuclei. The dorsal raphe nucleus contained 5HT-ir CSF-C cells, a type of serotoninergic cell that has not been described before in raphe nuclei of fishes or of other vertebrates. CSF-C and non-CSF-C 5HT-ir cells were observed in the spinal cord. 5HT-ir fibers were also widely distributed in the central nervous system of both sturgeon species. Comparison of these results with the distribution of serotoninergic systems in lampreys and other vertebrates suggests that widespread distribution of 5HT-ir cells is a feature of early vertebrate lines.
PubMed: 10320215
Affiliations:
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Adrio</name><affiliation wicri:level="4"><nlm:affiliation>Department of Fundamental Biology, Faculty of Biology, University of Santiago de Compostela, Spain.</nlm:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Department of Fundamental Biology, Faculty of Biology, University of Santiago de Compostela</wicri:regionArea><placeName><settlement type="city">Santiago de Compostela</settlement><region nuts="2" type="region">Galice</region></placeName><orgName type="university">Université de Saint-Jacques-de-Compostelle</orgName></affiliation></author><author><name sortKey="Anad N, R" sort="Anad N, R" uniqKey="Anad N R" first="R" last="Anad N">R. Anad N</name></author><author><name sortKey="Rodriguez Moldes, I" sort="Rodriguez Moldes, I" uniqKey="Rodriguez Moldes I" first="I" last="Rodríguez-Moldes">I. Rodríguez-Moldes</name></author></analytic><series><title level="j">The Journal of comparative neurology</title><idno type="ISSN">0021-9967</idno><imprint><date when="1999" type="published">1999</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Animals</term><term>Brain (metabolism)</term><term>Central Nervous System (metabolism)</term><term>Fishes (metabolism)</term><term>Immunohistochemistry</term><term>Serotonin (metabolism)</term><term>Spinal Cord (metabolism)</term><term>Tissue Distribution (physiology)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="metabolism" xml:lang="en"><term>Serotonin</term></keywords><keywords scheme="MESH" qualifier="metabolism" xml:lang="en"><term>Brain</term><term>Central Nervous System</term><term>Fishes</term><term>Spinal Cord</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Tissue Distribution</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Animals</term><term>Immunohistochemistry</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The distribution of serotonin-immunoreactive (5HT-ir) elements was studied in the brain and rostral spinal cord of two chondrosteans, Acipenser baeri and Huso huso, by using an antibody against serotonin. The distribution of these elements was similar in both sturgeon species. In the telencephalon, 5HT-ir cells were found in the olfactory bulb and in the medioventral wall of the telencephalic ventricle, rostral to the anterior commissure, the latter being cerebrospinal fluid-contacting (CSF-C) neurons. The diencephalon contained the highest number of 5HT-ir cell bodies, most of them of CSF-C type, located in the preoptic recess organ, paraventricular organ, posterior recess nucleus, and in the ventromedial thalamus. 5HT-ir non-CSF-C neurons appeared in the dorsal thalamic nucleus. In the brainstem, 5HT-ir neurons were located in four raphe nuclei (dorsal, superior, medial and inferior raphe nuclei) and four lateral reticular nuclei. The dorsal raphe nucleus contained 5HT-ir CSF-C cells, a type of serotoninergic cell that has not been described before in raphe nuclei of fishes or of other vertebrates. CSF-C and non-CSF-C 5HT-ir cells were observed in the spinal cord. 5HT-ir fibers were also widely distributed in the central nervous system of both sturgeon species. Comparison of these results with the distribution of serotoninergic systems in lampreys and other vertebrates suggests that widespread distribution of 5HT-ir cells is a feature of early vertebrate lines.</div></front></TEI><affiliations><list><country><li>Espagne</li></country><region><li>Galice</li></region><settlement><li>Santiago de Compostela</li></settlement><orgName><li>Université de Saint-Jacques-de-Compostelle</li></orgName></list><tree><noCountry><name sortKey="Anad N, R" sort="Anad N, R" uniqKey="Anad N R" first="R" last="Anad N">R. Anad N</name><name sortKey="Rodriguez Moldes, I" sort="Rodriguez Moldes, I" uniqKey="Rodriguez Moldes I" first="I" last="Rodríguez-Moldes">I. Rodríguez-Moldes</name></noCountry><country name="Espagne"><region name="Galice"><name sortKey="Adrio, F" sort="Adrio, F" uniqKey="Adrio F" first="F" last="Adrio">F. Adrio</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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