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从 PBMCs 中染色 CD8 T 细胞的传染病相关四聚体的生产和纯化。

Production and purification of infectious diseases-associated tetramer for staining of CD8 T cells from PBMCs.

机构信息

Department of Microbiology and Immunology, Institute of Geriatric Immunology, School of Medicine, Jinan University, Guangzhou, China.

Guangdong-Hong Kong-Macau Great Bay Area Geroscience Joint Laboratory, Guangzhou, China.

出版信息

STAR Protoc. 2022 Mar 9;3(1):101206. doi: 10.1016/j.xpro.2022.101206. eCollection 2022 Mar 18.

DOI:10.1016/j.xpro.2022.101206
PMID:35284834
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8914994/
Abstract

Major histocompatibility complex (MHC) tetramers can work as diagnostic tools to identify antigen-specific T cells in immunological research and monitoring. Here, we provide a general protocol for the production of MHC tetramer. We obtain highly pure N-terminal His-tagged HLA-A2 α chain and β2-microglobulin (βm) to fold a monomer with a photocleavable peptide, which can exchange with an HLA-A2 presented peptide derived from influenza A virus. Further those monomers compose tetramer to stain antigen-specific CD8 T cells. For complete details on the use and execution of this protocol, please refer to Xiao C.C. et al. (2021).

摘要

主要组织相容性复合体 (MHC) 四聚体可用作免疫研究和监测中鉴定抗原特异性 T 细胞的诊断工具。本研究提供了 MHC 四聚体生产的一般方案。本方案中获得了高纯度的 N 端组氨酸标签的 HLA-A2α链和β2-微球蛋白 (βm),以折叠具有光裂解肽的单体,该单体可与来自流感 A 病毒的 HLA-A2 呈递肽交换。进一步将这些单体组装成四聚体以染色抗原特异性 CD8 T 细胞。有关此方案使用和执行的详细信息,请参阅 Xiao C.C. 等人。(2021)。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/17bd34e4f82b/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/decb8a992a3e/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/91d1ae3f0d92/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/fd5c08bc31a8/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/f37d5f5db26e/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/87255c4d68cf/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/3d37e33ef2ee/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/17bd34e4f82b/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/decb8a992a3e/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/91d1ae3f0d92/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/fd5c08bc31a8/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/f37d5f5db26e/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/87255c4d68cf/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/3d37e33ef2ee/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/4ccf/8914994/17bd34e4f82b/gr6.jpg

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本文引用的文献

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STAR Protoc. 2021 Sep 17;2(3):100789. doi: 10.1016/j.xpro.2021.100789. Epub 2021 Aug 14.
2
Purification of Recombinant Galectins Expressed in Bacteria.重组细菌表达半乳糖凝集素的纯化。
STAR Protoc. 2020 Dec 9;1(3):100204. doi: 10.1016/j.xpro.2020.100204. eCollection 2020 Dec 18.
3
Generation of peptide-MHC class I complexes through UV-mediated ligand exchange.
通过紫外线介导的配体交换生成肽 - 主要组织相容性复合体I类复合物。
Nat Protoc. 2006;1(3):1120-32. doi: 10.1038/nprot.2006.121.