Journal
PITUITARY
Volume 12, Issue 3, Pages 245-255Publisher
SPRINGER
DOI: 10.1007/s11102-008-0147-x
Keywords
Pituitary tumor; beta-catenin; Tumorigenesis
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Although pituitary tumors are mostly benign, they share certain molecular events with more malignant neoplasia, although their precise pathogenesis is far from established. The acquisition of new functional characteristics during their evolution suggests a multistep process that leads to tumor transformation. Mutations in classical tumor suppressor genes or oncogenes are infrequently associated with pituitary tumorigenesis. However, alterations in different signaling pathways, especially those involved in pituitary gland development, have emerged as significant features in pituitary adenomas. In particular, changes in inhibitory components of the beta-catenin pathway and its relationship to the cadherin family of peptides may well play an important role in tumorigenesis. We review and assess the role of the beta-catenin signaling pathway in the pathogenesis of pituitary adenomas.
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