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Cancer Res. 1994 May 15;54(10):2577-81.

Androgen-independent cancer progression and bone metastasis in the LNCaP model of human prostate cancer.

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1
Department of Urology, University of Texas M.D. Anderson Cancer Center, Houston 77030.

Erratum in

  • Cancer Res 1994 Jul 15;54(14):3953.

Abstract

Our laboratory has previously reported on the derivation of LNCaP cell sublines from LNCaP tumors maintained in castrated and intact athymic male mice. These LNCaP sublines differ from the parental line in tumorigenicity and androgen dependence. This paper demonstrates that one of these sublines acquired metastatic potential. When inoculated either s.c. or orthotopically, the C4-2 subline metastasized to the lymph node and bone with an incidence of 11-50%. Interestingly, the incidence of osseous metastasis was higher in castrated than in intact male hosts. We evaluated the chromosomal, immunohistochemical, and biochemical characteristics of the LNCaP sublines derived from C4-2 tumors that metastasized to the lymph node and bone. Cytogenetic analysis showed that all sublines were human and shared common marker chromosomes with the parental LNCaP cells. This experimental human prostate cancer model may permit, for the first time, the study of the molecular mechanisms underlying human prostate cancer metastasis.

PMID:
8168083
[Indexed for MEDLINE]
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