簡要描述：Beckman貝克曼 CD4-PB CD4檢測試劑B49197，CD4-PB, 13B8.2, 50 Tests, CE

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更新時間：2026-03-30
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品牌	貝克曼庫爾特/Beckman	應用領域	化工,生物產業

Beckman貝克曼 CD4-PB CD4檢測試劑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檢測試劑B49197