Pituitary differentiaton factor and methods of use thereof

摘要

The present invention is directed to pituitary differentiation factor (PDF), a pituitary factor that is capable of differentiating cells including breast cancer and prostatic cancer cells. Isolated nucleic acids encoding PDF and related vectors and host cells are also provided. Restoration of differentiating ability to malignantly transformed cells provides a modality of cancer therapy. The isolated and purified PDF of the invention is accordingly useful in the treatment of breast and prostatic cancer.