Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
3
pubmed:dateCreated
1994-2-10
pubmed:abstractText
Control of keratin (K) gene expression may be important for cell differentiation in complex epithelia such as salivary gland. To investigate differences in distribution between keratin mRNAs and their respective proteins, a combined in situ hybridization (ISH) and immunohistochemical study was undertaken on nine normal salivary glands and seven pleomorphic adenomas. ISH employed riboprobes to K7, K8, K14, K18, and K19. Immunohistochemistry was performed on adjacent sections using monoclonal antibodies (MAbs) to the same keratins. Normal luminal cells showed abundant hybridization with probes for K7, K8, K18, and K19. Keratin 14 mRNA was present in basal and myoepithelial cells at a low level of expression. Proteins of their keratins were strongly stained. Neoplastic cells showed variable expression of mRNA and protein for K7, K8, K18, and K19. There was a high level of K14 mRNA but variable protein. The findings provide evidence that expression of these keratins in normal salivary epithelia is regulated transcriptionally and that in neoplasia this system is in considerable disarray.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0022-3417
pubmed:author
pubmed:issnType
Print
pubmed:volume
171
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
173-81
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1993
pubmed:articleTitle
Expression of keratin mRNAs and proteins in normal salivary epithelia and pleomorphic adenomas.
pubmed:affiliation
Department of Oral Medicine and Pathology, Guy's Hospital, London, U.K.
pubmed:publicationType
Journal Article