CHANGES IN MICROTUBULAR TAU-PROTEIN AFTER ESTROGEN IN A CULTURED HUMAN NEUROBLASTOMA CELL-LINE

被引:10
作者
LEW, GM
机构
[1] Department of Anatomy, College of Human Medicine, Michigan State University, East Lansing
来源
GENERAL PHARMACOLOGY | 1993年 / 24卷 / 06期
关键词
D O I
10.1016/0306-3623(93)90423-U
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
1. Cultured human SH-SY5Y neuroblastoma cells were used to determine whether 17-beta-estradiol affects the metabolism of microtubular tau protein. 2. After 24-hr treatment 17-beta-estradiol (10(-7) M) increased 50 kDa tau protein in the cytoplasmic (supernatant) fraction and decreased it in the membrane (pellet) fraction. 3. The increase in cytoplasmic tau was accompanied by increases in total protein in both cytoplasmic and membrane fractions, 50 and 70%, respectively. 4. The estrogen (10(-7) M) also caused a 31% reduction in the total number of cells.
引用
收藏
页码:1383 / 1386
页数:4
相关论文
共 20 条
[1]  
BIEDLER JL, 1973, CANCER RES, V33, P2643
[2]  
BRADFORD MM, 1976, ANAL BIOCHEM, V72, P248, DOI 10.1016/0003-2697(76)90527-3
[3]   ALZHEIMERS-DISEASE - TAU PROTEINS, THE PROMOTING FACTORS OF MICROTUBULE ASSEMBLY, ARE MAJOR COMPONENTS OF PAIRED HELICAL FILAMENTS [J].
DELACOURTE, A ;
DEFOSSEZ, A .
JOURNAL OF THE NEUROLOGICAL SCIENCES, 1986, 76 (2-3) :173-186
[4]   REGULATION OF MICROTUBULE PROTEIN-LEVELS DURING CELLULAR MORPHOGENESIS IN NERVE GROWTH FACTOR-TREATED PC12 CELLS [J].
DRUBIN, D ;
KOBAYASHI, S ;
KELLOGG, D ;
KIRSCHNER, M .
JOURNAL OF CELL BIOLOGY, 1988, 106 (05) :1583-1591
[5]   TAU-PROTEIN FUNCTION IN LIVING CELLS [J].
DRUBIN, DG ;
KIRSCHNER, MW .
JOURNAL OF CELL BIOLOGY, 1986, 103 (06) :2739-2746
[6]  
FERREIRA A, 1991, J NEUROSCI, V11, P392
[7]  
FERREIRA A, 1990, J NEUROSCI, V10, P293
[8]  
GIBSON DA, 1975, LIFE SCI, V15, P751
[9]   AXONAL DISRUPTION AND ABERRANT LOCALIZATION OF TAU-PROTEIN CHARACTERIZE THE NEUROPIL PATHOLOGY OF ALZHEIMERS-DISEASE [J].
KOWALL, NW ;
KOSIK, KS .
ANNALS OF NEUROLOGY, 1987, 22 (05) :639-643
[10]   CLEAVAGE OF STRUCTURAL PROTEINS DURING ASSEMBLY OF HEAD OF BACTERIOPHAGE-T4 [J].
LAEMMLI, UK .
NATURE, 1970, 227 (5259) :680-+