Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
2005-3-2
pubmed:abstractText
We investigated the distribution and colocalization pattern of the two corticosteroid receptors, mineralocorticoid receptor (MR) and glucocorticoid receptor (GR), in the hippocampus and hypothalamus, the main target regions of corticosterone in the rat brain, using double immunofluorescence histochemistry in conjunction with specific polyclonal antibodies against MR and GR. In the hippocampus, MR- and GR-immunoreactivity (ir) were colocalized in CA1 and CA2 pyramidal neurons and granule cells of the dentate gyrus, while only MR-ir was seen in the CA3 pyramidal neurons. Colocalization of MR- and GR-ir was also observed in the parvocellular region, but not in the magnocellular region of the paraventricular nucleus (PVN). Subcellular distribution of MR-ir was more cytoplasmic in comparison with that of GR-ir, while the ratio of cytoplasmic to nuclear distribution of these receptors was different among the regions. After adrenalectomy (ADX), the distribution pattern of both receptors was changed to cytoplasmic, although the degree of the change of distribution was different among each region. Replacement of corticosterone after ADX recovered the distribution pattern to that of the sham-operated animals. These results suggest that the balance of MR and GR in the cell underlies the potential regulation of corticosteroid through the hippocampus and hypothalamus.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
0168-0102
pubmed:author
pubmed:issnType
Print
pubmed:volume
51
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
371-81
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
2005
pubmed:articleTitle
Colocalization of mineralocorticoid receptor and glucocorticoid receptor in the hippocampus and hypothalamus.
pubmed:affiliation
Department of Anatomy and Neurobiology, Kyoto Prefectural University of Medicine, Kawaramachi Hirokoji, Kyoto 602-8566, Japan.
pubmed:publicationType
Journal Article, Comparative Study