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Hepatocellular carcinomas along with isolated cases of urothelial cancers and follicular adenocarcinoma of thyroid showed moderate to strong cytoplasmic positivity. A single case each of breast, ovarian, cervical, head and neck and testicular cancer displayed moderate nucleolar staining. Remaining cancers were negative.
GENE INFORMATION
Gene name
CYP4F22 (HGNC Symbol)
Synonyms
FLJ39501
Description
Cytochrome P450, family 4, subfamily F, polypeptide 22 (HGNC Symbol)
Entrez gene summary
This gene encodes a member of the cytochrome P450 superfamily of enzymes. The cytochrome P450 proteins are monooxygenases which catalyze many reactions involved in drug metabolism and synthesis of cholesterol, steroids and other lipids. This gene is part of a cluster of cytochrome P450 genes on chromosome 19 and encodes an enzyme thought to play a role in the 12(R)-lipoxygenase pathway. Mutations in this gene are the cause of ichthyosis lamellar type 3. [provided by RefSeq, Jul 2008]