High expression of Bcl-x protein in the developing human cerebellar cortex

被引:0
作者
Sohma, O
Mizuguchi, M
Takashima, S
Yamada, M
Ikeda, K
Ohta, S
机构
[1] NCNP,NATL INST NEUROSCI,DEPT MENTAL RETARDAT & BIRTH DEFECT RES,KODAIRA,TOKYO 187,JAPAN
[2] TOKYO INST PSYCHIAT SETAGAYA,DEPT ULTRASTRUCT & HISTOCHEM,TOKYO,JAPAN
[3] NIIGATA UNIV,BRAIN RES INST,DEPT PATHOL,NIIGATA,JAPAN
[4] NIPPON MED COLL,INST GERONTOL,DIV BIOCHEM,KAWASAKI,KANAGAWA,JAPAN
关键词
apoptosis; central nervous system; development; immunochemistry; immunohistochemistry;
D O I
10.1002/(SICI)1097-4547(19960115)43:2<175::AID-JNR5>3.0.CO;2-D
中图分类号
Q189 [神经科学];
学科分类号
071006 ;
摘要
The gene bcl-x, which is related to a bcl-2, regulates programmed cell death, bcl-x may function in the development of the nervous system, We raised a polyclonal antibody against human Bcl-x protein, and investigated its distribution in the developing human cerebellum, Western blotting revealed that Bcl-x expression in the cerebellum is higher in the fetal, than in the postnatal period. Immunohistochemical studies of fetal brains localized intense Bcl-x immunoreactivity in the granule cell processes at 13-22 gestational weeks and in the Purkinje cell bodies at 24-38 weeks. Tbe immunoreactivity decreased after birth, but was retained in the Purkinje cells at a low level until adulthood, These results suggested that Bcl-x expression in the cerebellum is developmentally regulated and involved specifically in the development of neuronal subpopulations. (C) 1996 Wiley-Liss, Inc.
引用
收藏
页码:175 / 182
页数:8
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