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PredicateObject
rdf:type
lifeskim:mentions
pubmed:dateCreated
1991-12-13
pubmed:abstractText
We studied hearing impairment and cochlear ultrastructure in C57BL/6J mice containing the cpk mutant gene. Heterozygous cpk/+ mutant mice, 6-8 months old, showed a marked hearing loss as demonstrated by auditory evoked potentials with some showing hearing loss at 90 db sound pressure. Ultrastructural studies of first cochlear turn disclosed the absence of organs of Corti, no tissues on the basilar membrane, scanty spiral ganglia, normal tectorial membrane, and vacuolation of the stria vascularis. Reissner's membrane is normal at the endolymphatic side, but transparent at the perilymphatic side. In the second turn the organ of Corti are normal but Nuel's space is full of debris. The cpk mutant mice have hearing impairment perhaps due to deficiencies of genes expressing vital basement membrane components.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:issn
0077-8923
pubmed:author
pubmed:issnType
Print
pubmed:volume
630
pubmed:geneSymbol
cpk
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
262-4
pubmed:dateRevised
2005-11-17
pubmed:meshHeading
pubmed:year
1991
pubmed:articleTitle
The molecular and structural basis of hearing impairment in mice with the cpk mutant gene.
pubmed:affiliation
Department of Medicine, Microbiology, and Immunology, University of Tennessee, Memphis 38163.
pubmed:publicationType
Journal Article