## Abstract We found that the Rhabdomyosarcoma (RD) cell line expresses human acetylcholine receptor (AChR) based on the following evidences: 1. Soluble AChR can be isolated from RD cells following the isolation procedure for AChR from human muscle; 2. Intact RD cells bind to alphaโbungarotoxin (ฮฑB
Microcytotoxicity blocking assay for the detection and isolation of soluble astrocytoma association antigen
โ Scribed by Virginia P. Potter; William C. Wood; Alfred M. Cohen; Paul L. Kornblith
- Publisher
- John Wiley and Sons
- Year
- 1984
- Tongue
- English
- Weight
- 454 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0022-4790
No coin nor oath required. For personal study only.
โฆ Synopsis
A bloclung microcytotoxicity assay was used to detect soluble astrocytoma-associated antigen. The richest source of soluble antigen was found in spent culture media from an established glioblastoma (GF) tissue culture line. Also assayed were fractions of sonicated membrane antigen from another (GM) glioblastoma and pellets of GF and GM cultured glioblastoma tissue. Bloclung by media conditioned by cultured normal human brain, breast cancer, neuroblastoma, meningioma, or 2-year-old astrocytoma cell lines was 41-82% lower. A monomer was isolated that blocked cytotoxicity and migrated in molecular exclusion chromatography with alpha-macroglobulins rather than the beta-2-microglobulins usually associated with histocompatibility antigens.
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