Clinical and molecular genetics of acromegaly: MEN1, Carney complex, McCune-Albright syndrome, familial acromegaly and genetic defects in sporadic tumors

被引:42
作者
Horvath, Anelia [1 ]
Stratakis, Constantine A. [1 ]
机构
[1] NICHHD, SEGEN, PDEGEN, NIH, Bethesda, MD 20892 USA
关键词
pituitary tumors; multiple endocrine neoplasia; Carney complex; growth factors; oncogenes; tumor-suppressor genes;
D O I
10.1007/s11154-007-9066-9
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Pituitary tumors are among the most common neoplasms in man; they account for approximately 15% of all primary intracranial lesions (Jagannathan et al., Neurosurg Focus, 19:E4, 2005). Although almost never malignant and rarely clinically expressed, pituitary tumors may cause significant morbidity in affected patients. First, given the critical location of the gland, large tumors may lead to mass effects, and, second, proliferation of hormone-secreting pituitary cells leads to endocrine syndromes. Acromegaly results from oversecretion of growth hormone (GH) by the proliferating somatotrophs. Despite the significant efforts made over the last decade, still little is known about the genetic causes of common pituitary tumors and even less is applied from this knowledge therapeutically. In this review, we present an update on the genetic syndromes associated with pituitary adenomas and discuss the related genetic defects. We next review findings on sporadic, non-genetic, pituitary tumors with an emphasis on pathways and animal models of pituitary disease. In conclusion, we attempt to present an overall, integrative approach to the human molecular genetics of both familiar and sporadic pituitary tumors.
引用
收藏
页码:1 / 11
页数:11
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