分泌片
外观
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/59/Immunglobulin_A_as_Dimer.png/180px-Immunglobulin_A_as_Dimer.png)
1: H链
2: L链
3: J链
4: 分泌片
分泌片(Secretory component)是分泌型免疫球蛋白A(sIgA)的一个组成部分,由粘膜上皮细胞合成,其作用为保护sIgA的铰链区免受蛋白水解酶降解。[1] [2]
外部链接
[编辑]参考文献
[编辑]- ^ Roitt, Ivan; Delves, Peter. Essential Immunology 10th. Blackwell Science. 2001: 483. ISBN 0-632-05902-8.
- ^ The polymeric immunoglobulin receptor (secretory component) mediates transport of immune complexes across epithelial cells: a local defense function for IgA. Proc Natl Acad Sci USA. 1991, 88 (19): 8796–8800. PMC 52597
. PMID 1924341. doi:10.1073/pnas.88.19.8796.