Beckman貝克曼 CD4-PB CD4檢測(cè)試劑B49197
- 公司名稱 江蘇省科學(xué)器材有限公司
- 品牌 貝克曼庫(kù)爾特/Beckman
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Beckman貝克曼 CD4-PB CD4檢測(cè)試劑B49197
The CD4 antigen is a single-chain transmembrane glycoprotein with a 59 kDa molecular weight. CD4 binds to a non-polymorphic region of MHC Class II molecules and is a co-receptor in MHC Class II restricted antigen-induced activation. CD4 is expressed on the T "helper" lymphocytes. It is present on most thymocytes where it is frequently co-expressed with CD8. CD4 is also expressed on all monocytes, although with a lower density than on T lymphocytes. CD4+ T lymphocytes are active in inducing and helping the synthesis of immunoglobulins by B cells. CD4 is a receptor for the Human Immunodeficiency Virus type I (HIV-1) envelope protein gp120. *Alexa Fluor and Pacific Blue are registered trademarks of Molecular Probes, Inc.
Beckman貝克曼 CD4-PB CD4檢測(cè)試劑B49197