Ion transport systems in kidney and urinary bladder of two Antarctic teleosts, Chionodraco hamatus and Trematomus bernacchii
Na+-K+-ClA cotransport and Na+/K+AT- Pase were studied by immunohistochemistry in the kid- ney and urinary bladder of Trematomus bernacchii and Chionodraco hamatus. The activity was correlated to the density of mitochondria. The ®rst segment of the renal proximal tubule was more active than the seco...
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Online Access: | http://hdl.handle.net/11579/90660 https://doi.org/10.1007/s003000100238 |
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ftunipiemonteori:oai:iris.uniupo.it:11579/90660 2024-02-11T09:56:28+01:00 Ion transport systems in kidney and urinary bladder of two Antarctic teleosts, Chionodraco hamatus and Trematomus bernacchii MASINI, MARIA ANGELA M. STURLA P. PRATO B. UVA Masini, MARIA ANGELA M., Sturla P., Prato B., Uva 2001 http://hdl.handle.net/11579/90660 https://doi.org/10.1007/s003000100238 eng eng info:eu-repo/semantics/altIdentifier/wos/WOS:000169214300009 volume:24 firstpage:440 lastpage:446 numberofpages:7 journal:POLAR BIOLOGY http://hdl.handle.net/11579/90660 doi:10.1007/s003000100238 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-0034994892 info:eu-repo/semantics/restrictedAccess info:eu-repo/semantics/article 2001 ftunipiemonteori https://doi.org/10.1007/s003000100238 2024-01-24T18:15:50Z Na+-K+-ClA cotransport and Na+/K+AT- Pase were studied by immunohistochemistry in the kid- ney and urinary bladder of Trematomus bernacchii and Chionodraco hamatus. The activity was correlated to the density of mitochondria. The ®rst segment of the renal proximal tubule was more active than the second one. In T. bernacchii and the temperate marine teleost Pagellus bogaraveo, the immunoreactivity for the antibody to cotransporters and to the —-subunit of the sodium pump was stronger than in the ice®sh. This dierence indicates in the kidney of the ice®sh, a weaker secretory activity, a consequent lower osmolarity in the lumen and lower water loss, which correlates well with the need for a greater blood volume in the ice®sh. The epithelium of the urinary bladder in T. bernacchii, where intense im- munostaining was observed, was composed of columnar cells. In C. hamatus the columnar cells, where the im- munostaining was weaker, lined only a portion of the urinary bladder, the other region being composed of cuboidal cells. Article in Journal/Newspaper Antarc* Antarctic Università degli Studi del Piemonte Orientale: CINECA IRIS Antarctic Polar Biology 24 6 440 446 |
institution |
Open Polar |
collection |
Università degli Studi del Piemonte Orientale: CINECA IRIS |
op_collection_id |
ftunipiemonteori |
language |
English |
description |
Na+-K+-ClA cotransport and Na+/K+AT- Pase were studied by immunohistochemistry in the kid- ney and urinary bladder of Trematomus bernacchii and Chionodraco hamatus. The activity was correlated to the density of mitochondria. The ®rst segment of the renal proximal tubule was more active than the second one. In T. bernacchii and the temperate marine teleost Pagellus bogaraveo, the immunoreactivity for the antibody to cotransporters and to the —-subunit of the sodium pump was stronger than in the ice®sh. This dierence indicates in the kidney of the ice®sh, a weaker secretory activity, a consequent lower osmolarity in the lumen and lower water loss, which correlates well with the need for a greater blood volume in the ice®sh. The epithelium of the urinary bladder in T. bernacchii, where intense im- munostaining was observed, was composed of columnar cells. In C. hamatus the columnar cells, where the im- munostaining was weaker, lined only a portion of the urinary bladder, the other region being composed of cuboidal cells. |
author2 |
Masini, MARIA ANGELA M., Sturla P., Prato B., Uva |
format |
Article in Journal/Newspaper |
author |
MASINI, MARIA ANGELA M. STURLA P. PRATO B. UVA |
spellingShingle |
MASINI, MARIA ANGELA M. STURLA P. PRATO B. UVA Ion transport systems in kidney and urinary bladder of two Antarctic teleosts, Chionodraco hamatus and Trematomus bernacchii |
author_facet |
MASINI, MARIA ANGELA M. STURLA P. PRATO B. UVA |
author_sort |
MASINI, MARIA ANGELA |
title |
Ion transport systems in kidney and urinary bladder of two Antarctic teleosts, Chionodraco hamatus and Trematomus bernacchii |
title_short |
Ion transport systems in kidney and urinary bladder of two Antarctic teleosts, Chionodraco hamatus and Trematomus bernacchii |
title_full |
Ion transport systems in kidney and urinary bladder of two Antarctic teleosts, Chionodraco hamatus and Trematomus bernacchii |
title_fullStr |
Ion transport systems in kidney and urinary bladder of two Antarctic teleosts, Chionodraco hamatus and Trematomus bernacchii |
title_full_unstemmed |
Ion transport systems in kidney and urinary bladder of two Antarctic teleosts, Chionodraco hamatus and Trematomus bernacchii |
title_sort |
ion transport systems in kidney and urinary bladder of two antarctic teleosts, chionodraco hamatus and trematomus bernacchii |
publishDate |
2001 |
url |
http://hdl.handle.net/11579/90660 https://doi.org/10.1007/s003000100238 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_relation |
info:eu-repo/semantics/altIdentifier/wos/WOS:000169214300009 volume:24 firstpage:440 lastpage:446 numberofpages:7 journal:POLAR BIOLOGY http://hdl.handle.net/11579/90660 doi:10.1007/s003000100238 info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-0034994892 |
op_rights |
info:eu-repo/semantics/restrictedAccess |
op_doi |
https://doi.org/10.1007/s003000100238 |
container_title |
Polar Biology |
container_volume |
24 |
container_issue |
6 |
container_start_page |
440 |
op_container_end_page |
446 |
_version_ |
1790603293707206656 |