PMID: 6535639Dec 1, 1984Paper

Detection of a nerve-specific membrane protein on differentiating PCC3/A/1 cells

Cell Differentiation
J ZákányI Raskó

Abstract

Attempts were made to prepare monoclonal antibodies specifically reactive with cell surface components of a murine neuroblastoma cell line, Neuro 2a. One of the antibodies (1c2) reacts with a varying proportion of in vitro cultivated Neuro 2a cells, but does not react with murine embryonal carcinoma cell lines (PCC3/A/1 and F9) or with a murine fibroblast line (LM). This antibody selectively stains a subpopulation of nerve cells in murine adult central nervous system, e.g. granular cells in cerebellar cortex. Immunoaffinity purification of adult brain and Neuro 2a plasma membrane fractions with the antibody resulted in an electrophoretically pure protein of approx. 28 kD molecular weight as estimated by SDS-PAGE. Although this antigen is absent from PCC3/A/1 embryonal carcinoma cells, it can be demonstrated after 9 days of growth and differentiation under low density conditions by indirect immunoperoxidase staining. This monoclonal antibody may prove useful in further analysis of neural tissue development.

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