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. 2004 Jul 1;60(2):141-52.
doi: 10.1002/pros.20053.

Establishment and characterization of a primary androgen-responsive African-American prostate cancer cell line, E006AA

Shahriar Koochekpour  1 , Grace A Maresh, Adrienne Katner, Kitani Parker-Johnson, Tae-Jin Lee, Francine E Hebert, Yuan S Kao, John Skinner, Walter Rayford
Affiliations

Establishment and characterization of a primary androgen-responsive African-American prostate cancer cell line, E006AA

Shahriar Koochekpour et al. Prostate. .

Erratum in

Abstract

Background: Establishment of human prostate cancer cell lines is essential to advance our understanding of complex processes associated with the initiation and progression of the disease. In the present study, we report the establishment of a primary African-American prostate cancer cell line (E006AA) as well as its associated stromal cells (S006AA).

Methods: E006AA cell line was established as a spontaneously immortalized cells from a patient with a clinically localized prostate cancer. Extensive characterization of the cells was accomplished using androgen-dependent growth and sensitivity assays, Western analyses, RT-PCR/real-time PCR, cytogenetic analyses, and tumorigenicity in nude mice.

Results: E006AA cell line shows androgen-dependent growth, expresses PSA and the androgen receptor (AR) with 26 CAG repeats in exon 1 of AR. Cytogenetic analyses revealed a hypertriploid karyotype with additional numerical gains in chromosomes 5, 6, 8, 10, 17, 20, 21 and a marker chromosome of unknown origin as well as structural abnormalities in chromosomes 4, 5, 8, 9, 11-14, 18, and 20. This cell line is not tumorigenic in nude mice. S006AA cell line, isolated from the same tumor specimen, also expresses AR and shows the morphological characteristics of smooth muscle cells of prostatic stroma.

Conclusions: These cell lines are the first available primary epithelial and stromal cells derived from an African-American patient with organ-confined prostate cancer and in conjunction with other established cell lines, could provide an in vitro model system to investigate early transforming events in prostate cancer.

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