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Several recent reports highlighted the role of hedgehog signaling in prostate cancer. However, the relative contributions of autocrine and paracrine hedgehog signaling to tumor growth and progression are unclear. Efforts to model autocrine signaling for drug development have been hampered by conflicting reports of the presence or absence of autocrine signaling in established human prostate cancer...
Studies of hedgehog signaling in prostate development using anti-Shh antibodies, chemical inhibitors of hedgehog signaling and Shh −/− mutant mice have yielded conflicting data regarding the requirements of hedgehog signaling for normal ductal budding and glandular morphogenesis. We used transgenic mouse models in combination with chemical inhibitors and renal grafting to clarify the role...
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