Panpituitary

Despite the existence of interspecies phenotypic variability, animal models have yielded valuable insights into human pituitary diseases. Studies on Snell and Jackson mice known to have growth hormone, prolactin and thyroid-stimulating hormone deficiencies involving the hypoplastic pituitary gland have led to identifying alterations of the pituitary specific POU homeodomain Pit-1 transcription factor gene. The human phenotype associated with rare mutations in this gene was found to be similar to that of these mice mutants...

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This survey deals with disorders caused by genetically disturbed function of the anterior pituitary gland. Genetic Dwarfism may be caused by isolated growth hormone deficiency (IGHD) or panpituitary diseases, such as congenital absence of the pituitary or familial panhypopituitarism. Genetic disturbances of isolated pituitary hormone secretion without dwarfism may occur as isolated gonadotropin deficiency (IGD), isolated luteinizing hormone deficiency ("fertile eunuch"), Kallmann syndrome (olfactogenital dysplasia), isolated thyrotropin deficiency (ITD) and isolated corticotropin deficiency (ICD)...