BASP1 labels neural stem cells in the neurogenic niches of mammalian brain.

BASP1 labels neural stem cells in the neurogenic niches of mammalian brain.
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DOI:
10.1038/s41598-021-85129-1
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发表时间:
2021-03-10
期刊:
影响因子:
4.6
通讯作者:
Maletic-Savatic M
Maletic-Savatic M
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Manganas LN;Durá I;Osenberg S;Semerci F;Tosun M;Mishra R;Parkitny L;Encinas JM;Maletic-Savatic M

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决定神经干细胞命运的机制众多且复杂。为了开始鉴定参与这些过程的特定成分,我们生成了几种针对培养的小鼠胚胎神经球的小鼠神经干细胞(NSC)抗体。我们的免疫组织化学数据表明,NSC-6 抗体可识别发育中和出生后的小鼠大脑以及人脑类器官中的 NSC。质谱分析揭示了 NSC-6 表位的身份,即大脑丰富的膜附着信号蛋白 1 (BASP1),这是一种在神经突生长和可塑性中发挥关键作用的信号蛋白。使用 NSC-6 抗体进行的蛋白质印迹分析表明,多种 BASP1 亚型具有不同的表达程度,并与不同的发育阶段相关。在此,我们描述了发育中和出生后哺乳动物大脑和人脑类器官中 NSC 中 BASP1 的表达,并证明 NSC-6 抗体可能是这些细胞的有用标记。
The mechanisms responsible for determining neural stem cell fate are numerous and complex. To begin to identify the specific components involved in these processes, we generated several mouse neural stem cell (NSC) antibodies against cultured mouse embryonic neurospheres. Our immunohistochemical data showed that the NSC-6 antibody recognized NSCs in the developing and postnatal murine brains as well as in human brain organoids. Mass spectrometry revealed the identity of the NSC-6 epitope as brain abundant, membrane-attached signal protein 1 (BASP1), a signaling protein that plays a key role in neurite outgrowth and plasticity. Western blot analysis using the NSC-6 antibody demonstrated multiple BASP1 isoforms with varying degrees of expression and correlating with distinct developmental stages. Herein, we describe the expression of BASP1 in NSCs in the developing and postnatal mammalian brains and human brain organoids, and demonstrate that the NSC-6 antibody may be a useful marker of these cells.
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发表时间: 2003-12-22
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