ALPHA-INHIBIN IS A TUMOR-SUPPRESSOR GENE WITH GONADAL SPECIFICITY IN MICE

被引:824
作者
MATZUK, MM
FINEGOLD, MJ
SU, JGJ
HSUEH, AJW
BRADLEY, A
机构
[1] BAYLOR COLL MED, DEPT PATHOL, HOUSTON, TX 77030 USA
[2] STANFORD UNIV, DEPT GYNECOL OBSTET, DIV REPROD BIOL, STANFORD, CA 94305 USA
关键词
D O I
10.1038/360313a0
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The inhibins are alpha:beta heterodimeric growth factors that are members of the transforming growth factor-beta family. To understand the physiological roles of the inhibins in mammalian development and reproduction, a targeted deletion of the alpha-inhibin gene was generated by homologous recombination in mouse embryonic stem cells. Mice homozygous for the null allele (inhibin-deficient) initially develop normally but every mouse ultimately develops mixed or incompletely differentiated gonadal stromal tumours either unilaterally or bilaterally. Inhibin is thus a critical negative regulator of gonadal stromal cell proliferation and the first secreted protein identified to have tumour-suppressor activity.
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页码:313 / 319
页数:7
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