Lipid specificity of the immune effector perforin
Lipid specificity of the immune effector perforin
复制标题
免疫效应器穿孔素的脂质特异性
DOI:
10.1101/2020.04.22.054890
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发表时间:
2020
期刊:
影响因子:
--
通讯作者:
Hodel A
中科院分区:
文献类型:
--
作者:
Hodel A
Perforin is a pore forming protein used by cytotoxic T lymphocytes to remove cancerous or virus-infected cells during the immune response. During the response, the lymphocyte membrane becomes refractory to perforin function by accumulating densely ordered lipid rafts and externalizing negatively charged lipid species. The dense membrane packing lowers the capacity of perforin to bind, and the negatively charged lipids scavenge any residual protein before pore formation. Using atomic force microscopy on model membrane systems, we here provide insight into the molecular basis of perforin lipid specificity.
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