| 释义 |
beta2 microglobulin beta2 microglobulin (mi?kro-glob'u-lin), ß2-mA polypeptide that is one of the class I major histocompatibility markers on cell surfaces; it is grouped into chains of low molecular weight called light chains. The ß2-m chain may be affected by the nef gene in HIV, preventing CD8+ T lymphocytes from recognizing the virus. See: acquired immunodeficiency syndrome; major histocompatibility complex |