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Several thyroid papillary adenocarcinomas, skin, colorectal and breast cancers as well as a few melanomas, prostate, ovarian and urothelial cancers were moderately stained. Remaining cancer tissues were weakly stained or negative.
Majority of cancer tissues showed weak to moderate nuclear positivity. Few basal cell carcinomas displayed strong immunoreactivity. Lymphomas, lung, stomach cancer along with several prostate, endometrial and liver cancer were negative.
This gene belongs to the A/B subfamily of ubiquitously expressed heterogeneous nuclear ribonucleoproteins (hnRNPs). The hnRNPs are RNA binding proteins and they complex with heterogeneous nuclear RNA (hnRNA). These proteins are associated with pre-mRNAs in the nucleus and appear to influence pre-mRNA processing and other aspects of mRNA metabolism and transport. While all of the hnRNPs are present in the nucleus, some seem to shuttle between the nucleus and the cytoplasm. The hnRNP proteins have distinct nucleic acid binding properties. The protein encoded by this gene has two repeats of quasi-RRM domains that bind RNAs, followed by a glycine-rich C-terminus. [provided by RefSeq, Jul 2008]