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pubmed:abstractText |
Mechanisms that control pituitary development are gradually better understood. They involve molecular signals from surrounding structures and the expression of a cascade of homeodomain transcription factors. Mutations of these transcription factors cause defects of embryologic development of the anterior pituitary responsible for isolated or multiple pituitary hormone deficiencies (respectively, IPHD and MPHD) in both rodents and humans. In this review we emphasize the description of human phenotypes associated with genetic alterations found in IPHD (e.g. isolated corticotroph deficiency and Tpit mutations) and MPHD (mutations of POU1F1, PROP1, Hesx1, Lhx3, Lhx4, Ptx2).
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