Tissue distribution of rat glutathione transferase subunit 7, a hepatoma marker.
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ABSTRACT: Polyadenylated RNA isolated from NN-dimethyl-4-aminoazobenzene-induced rat hepatoma was used to prepare a cDNA library in lambda gt10. Full-length clones complementary to mRNA coding for glutathione transferase subunit 7 were isolated and one of these clones (pGSTr7) was fully characterized. In Northern blot analysis, mRNA hybridizing to 32P-labelled pGSTr7 was found in poly(A)-containing RNA isolated from seven normal rat tissues but not from testis and liver. A similar hybridizing mRNA species was also detected in human placental mRNA. The same probe, used in a Southern blot analysis of genomic DNA, suggests the presence of a multigene family in the rat.
SUBMITTER: Pemble SE
PROVIDER: S-EPMC1147502 | biostudies-other | 1986 Dec
REPOSITORIES: biostudies-other
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