Nerve and epidermal growth factors induce the release of the Alzheimer amyloid precursor from PC 12 cell cultures.

Nerve and epidermal growth factors induce the release of the Alzheimer amyloid precursor from PC 12 cell cultures.
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神经和表皮生长因子诱导 PC 12 细胞培养物中释放阿尔茨海默淀粉样蛋白前体。

DOI:
10.1016/0006-291x(89)91511-8
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发表时间:
1989
影响因子:
3.1
通讯作者:
Robakis,NK
Robakis,NK
中科院分区:
生物学4区
文献类型:
--
作者:
Refolo,LM;Salton,SR;Anderson,JP;Mehta,P;Robakis,NK

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使用针对阿尔茨海默病β淀粉样蛋白前体(βAPP)特定位点的抗血清来研究神经和表皮生长因子对PC 12细胞培养物中该蛋白表达和加工的影响。在初始PC 12细胞的细胞提取物中检测到两种主要的βAPP蛋白(140和105 kDa),它们都含有Kunitz蛋白酶抑制剂插入物(KPI)。用神经生长因子(NGF)处理这些培养物诱导了两种βAPP物质125和120 kDa的释放,这两种物质都含有KPI结构域,缺乏前体的羧基末端部分。释放的βAPP含有O-连接糖。只有一个释放的βAPP蛋白与凝集素伴刀豆球蛋白A结合,表明它们的糖基化不同。表皮生长因子(EGF)也诱导βAPP蛋白释放到培养基中,其电泳迁移率与NGF释放的相似。
Antisera against specific sites of the Alzheimer βAmyloid protein precursor (βAPP) were used to study the effects of nerve and epidermal growth factors on the expression and processing of this protein in PC12 cell cultures. Two major βAPP proteins (140 and 105 kDa) both containing the Kunitz-protease inhibitor insert (KPI), were detected in cell extracts of naive PC12 cells. Treatment of these cultures with nerve growth factor (NGF) induced the release of two βAPP species 125 and 120 kDa, both of which contained the KPI domain and lacked the carboxy-terminal portion of the precursor. The released βAPP contained O-linked sugars. Onlh one of the released βAPP proteins bound to the lectin Concanavalin A indicating that they differ in their glycosylation. Epidermal growth factor (EGF) also induced the release of βAPP proteins into the culture medium with similar electrophoretic mobilities as those released by NGF.
β淀粉样蛋白前体可能是硫酸乙酰肝素蛋白聚糖核心蛋白。
DOI: 10.1126/science.2968652
发表时间: 1988
期刊: Science (New York, N.Y.)
影响因子: --
作者:
Schubert,D;Schroeder,R;LaCorbiere,M;Saitoh,T;Cole,G
通讯作者: Cole,G
大鼠和人类 β-淀粉样前体蛋白 (BAPP) 的细胞形式
DOI: 10.1016/0006-8993(89)91523-0
发表时间: 1989
期刊: Brain Research
影响因子: 2.9
作者:
John P. Anderson;W. Wallace;S. Snyder;V. Haroutunian;J. Roberts;I. Lieberburg
通讯作者: I. Lieberburg
DOI: 10.1038/326733c0
发表时间: 1987
期刊: Nature
影响因子: 64.8
作者:
V. Rich
通讯作者: V. Rich
DOI: 10.1016/0006-291x(89)92437-6
发表时间: 1989-02-28
影响因子: 3.1
作者:
LAFAUCI, G;LAHIRI, DK;ROBAKIS, NK
通讯作者: ROBAKIS, NK
A4 淀粉样蛋白前体基因的一种新 mRNA,编码可能的分泌蛋白。
DOI: --
发表时间: 1989
期刊: Science
影响因子: 56.9
作者:
F. D. Sauvage;J. Octave
通讯作者: J. Octave