Prostatic adenocarcinoma PC EW, a new human tumor line transplantable in nude mice

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Abstract
A serially transplantable human prostatic carcinoma line, PC EW, has been developed through heterotransplantation of tumor tissue from a lymph node metastasis. PC EW is androgen dependent and is similar to the original tumor in terms of histological pattern, amounts of prostatic acid phosphatase secreted, and absence of a hormonally independent subline. This line is thus similar to PC 82, and we herein report the first results of comparative treatment trials conducted on PC EW.