beta 2 Microglobulin
《英文msh詞典》beta 2 Microglobulin
[入口詞] beta 2 Microglobulin
[主題詞] beta 2-Microglobulin
[英文釋義] An 11 kDa protein associated with the outer membrane of many cells including lymphocytes. It is the small subunit of the MHC class I molecule. Association with beta 2-microglobulin is generally required for the transport of class I heavy chains from the endoplasmic reticulum to the cell surface. Beta 2-microglobulin is present in small amounts in serum,csf,and urine of normal people,and to a much greater degree in the urine and plasma of patients with tubular proteinemia,renal failure,or kidney transplants.