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A subset of cells in a case of duct carcinoma of breast and colorectal cancer exhibited strong cytoplasmic positivity while a single case of endometrial cancer showed strong membranous staining. Moderate staining was observed in a case of seminoma. Remaining cancer tissues were negative.
Occasional cases of testicular, prostate and liver cancers showed moderate to strong cytoplasmic positivity. Remaining cancer tissues were negative.
GENE INFORMATION
Gene name
DAZL (HGNC Symbol)
Synonyms
DAZH, DAZL1, DAZLA, MGC26406, SPGYLA
Description
Deleted in azoospermia-like (HGNC Symbol)
Entrez gene summary
The DAZ (Deleted in AZoospermia) gene family encodes potential RNA binding proteins that are expressed in prenatal and postnatal germ cells of males and females. The protein encoded by this gene is localized to the nucleus and cytoplasm of fetal germ cells and to the cytoplasm of developing oocytes. In the testis, this protein is localized to the nucleus of spermatogonia but relocates to the cytoplasm during meiosis where it persists in spermatids and spermatozoa. Transposition and amplification of this autosomal gene during primate evolution gave rise to the DAZ gene cluster on the Y chromosome. Mutations in this gene have been linked to severe spermatogenic failure and infertility in males. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jun 2010]