Abstract
Expression of the human endogenous retrovirus genome HERV-K, homologous to mouse mammary tumor virus, was investigated in cultured human tumor cells. In several cell lines, the HERV-K genome was expressed as an 8.8-kilobase poly(A)+ RNA which appeared to be a full-size transcript of this genome. In the human breast cancer cell line T47D, stimulation of HERV-K genome expression by progesterone was observed after estradiol treatment.
MeSH Terms
Breast Neoplasms/microbiology,pathology
Cell Line
Dexamethasone/pharmacology
Estradiol/pharmacology
Gene Expression Regulation/drug effects
Humans
Poly A/biosynthesis
Progesterone/pharmacology
RNA, Messenger/biosynthesis
RNA, Neoplasm/biosynthesis
RNA, Viral/biosynthesis
Retroviridae/genetics,physiology
Transcription, Genetic
Virus Activation/drug effects
Chemicals
RNA, Messenger
RNA, Neoplasm
RNA, Viral
Poly A
Progesterone
Estradiol
Dexamethasone
Authors & Affiliations
3 authors, click to expand affiliations / ORCID
Ono M
Kawakami M
Ushikubo H
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