2. 重组蛋白
  3. CD Antigens

CD Antigens  (CD 抗原)

分化簇 (CD) 抗原指通常用于白细胞表面分子的鉴定和研究的分化抗原群/分化抗原簇。一些 CD 蛋白通常充当细胞间或细胞基质粘附分子、细胞因子受体、离子孔或营养转运蛋白。 CD 蛋白在免疫系统功能中发挥多种作用。 不同 CD 抗原的表达谱是区别不同祖细胞群以及构成造血系统的其他细胞的特征。 因此，CD抗原是常规使用的细胞标记物，允许使用荧光标记抗体和流式细胞术组合，来鉴定特定的白细胞细胞群和淋巴细胞亚群的存在和比例，并使其分离。

The cluster of differentiation (CD) antigens a protocol used for the identification and investigation of cell surface molecules present on leukocytes. Some CD proteins often act as cell-cell or cell-matrix adhesion molecules, cytokine receptors, ion pores, or nutrient transporters. CD proteins play a variety of roles in immune system function. The expression profiles of different CD antigens are distinguishing characteristics of the different progenitor populations and other cells that comprise the hematopoietic system. Thus, CD antigens are routinely used cell markers, allowing the identification of the presence and proportions of specific leukocyte cell populations and lymphocyte subsets, and their isolation, using combinations of fluorochrome-labeled antibodies and flow cytometry.

Classified by differentiation cells

Classified by functions

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