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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
2
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pubmed:dateCreated |
1997-9-5
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pubmed:abstractText |
Calretinin is a calcium-binding protein whose major functions are assumed to be buffering, transport of Ca2+, regulation of various enzyme systems and cellular protection. Moreover, calretinin does not seem to be a specific marker for any particular cell since it has been discovered in various mammalian and avian organs. In order to give clue to its function(s), we investigate its distribution in the rat pancreas using immunocytochemistry and transmission electron microscopy. We have found calretinin immunoreactive cells in rat pancreas only in the islets of Langerhans. These cells correspond to A cells producing glucagon. The colocalization of calretinin and glucagon was confirmed with double-labelling immunofluorescence. Nevertheless, the role of calretinin and its relationship with the production and/or the exocytosis of glucagon granules remains to be elucidated.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jun
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pubmed:issn |
0065-1281
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:volume |
99
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
217-22
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pubmed:dateRevised |
2003-11-14
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pubmed:meshHeading |
pubmed-meshheading:9248579-Animals,
pubmed-meshheading:9248579-Calcium-Binding Protein, Vitamin D-Dependent,
pubmed-meshheading:9248579-Calcium-Binding Proteins,
pubmed-meshheading:9248579-Cytoplasmic Granules,
pubmed-meshheading:9248579-Exocytosis,
pubmed-meshheading:9248579-Fluorescent Antibody Technique,
pubmed-meshheading:9248579-Glucagon,
pubmed-meshheading:9248579-Immunohistochemistry,
pubmed-meshheading:9248579-Islets of Langerhans,
pubmed-meshheading:9248579-Microscopy, Electron,
pubmed-meshheading:9248579-Rats,
pubmed-meshheading:9248579-Rats, Wistar
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pubmed:year |
1997
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pubmed:articleTitle |
Colocalization of calretinin and glucagon in rat pancreatic A cells.
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pubmed:affiliation |
Institut de Biologie Cellulaire et de Morphologie, Lausanne, Switzerland.
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pubmed:publicationType |
Journal Article
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