A TRANSCRIBED HUMAN SEQUENCE RELATED TO THE MOUSE HC1 AND THE HUMAN PAPILLOMAVIRUS TYPE-18 E5 GENES IS LOCATED AT CHROMOSOME 7P13-14

被引:8
作者
GEISEN, C
DELIUS, H
LICHTER, P
KAHN, T
机构
[1] DEUTSCH KREBSFORSCHUNGSZENTRUM, VIRUS WIRTSZELL WECHSELWIRKUNGEN ABT, D-69120 HEIDELBERG, GERMANY
[2] DEUTSCH KREBSFORSCHUNGSZENTRUM, VIRUS WIRTSZELL WECHSELWIRKUNGEN ABT, D-69120 HEIDELBERG, GERMANY
关键词
D O I
10.1093/hmg/4.8.1337
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The papillomavirus E5 genes play an important role in the induction of proliferation of infected cells, and these HPV genomic regions are affected by the events leading to integration of genital HPVs. Two HPV18 E5-related, transcribed mouse sequences, HC1 and Q300, have recently been described, We searched for human equivalents to these sequences, and isolated a clone with a 9.6 kb insert (633b) from a laryngeal carcinoma DNA library, that strongly cross-hybridised with both the HPV18 E5 and HC1 sequences, Restriction and Southern blot analysis showed that 633b is a single copy sequence without rearrangements and viral sequences. The ES-related region is transcribed, producing a 1.9 kb RNA band detected in the poly(A)(+) RNA from different cell lines tested, Sequence alignments showed a close similarity to the HC1 and HPV18 E5 sequences, as well as to Q300 and different viral and human growth factors, allowing to fit a putative phylogenetic tree, The corresponding human gene was named PE5L, It was mapped to the short arm of chromosome 7, at 7p13-14 as determined by in situ hybridisation, A genomic region with similarities to HPV E5 sequences may constitute an HPV-DNA integration target, which is often located near chromosomal breakpoints, oncogenes, etc, We conclude that PE5L belongs to an ES-like family of cellular sequences, and that it may constitute target for HPV recombination.
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页码:1337 / 1345
页数:9
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