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Hum Genet. 1996 Dec;98(6):666-71.

Isolation and characterization of the full-length 3' untranslated region of the human von Hippel-Lindau tumor suppressor gene.

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Laboratory of Immunobiology, National Cancer Institute-Frederick Cancer Research and Development Center, MD, 21702-1201, USA.


We have isolated the 3' untranslated region (3'UTR) of the human von Hippel-Lindau (VHL) tumor suppressor gene from a P1 phage containing the entire VHL genomic sequence. Several putative noncanonical (ATTAAA) poly(A) signals were identified, and the functional significance of these signals was examined by preparing VHL mammalian expression constructs with this DNA fragment and the previously isolated partial cDNA. Northern blot analysis from transfected renal carcinoma cells showed that both the endogenous and transgene VHL transcripts were the same length. Use of VHL transgene deletion mutants indicated that an ATTAAA sequence located between nucleotide (nt) +4237 and nt +4379 most likely serves as an active poly(A) signal in renal carcinoma cells, yielding a 3.6-kb 3'UTR. This work indicates that, together with the 5'UTR and the coding region, these sequences comprise the full-length human VHL cDNA. Sequence analysis revealed a 300- to 600-bp region conserved in human, murine, and rat VHL UTRs. In addition, the human 3'UTR was extremely rich in Alu repetitive elements.

[Indexed for MEDLINE]

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