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Qualifying antibodies for image-based immune profiling and multiplexed tissue imaging.


ABSTRACT: Multiplexed tissue imaging enables precise, spatially resolved enumeration and characterization of cell types and states in human resection specimens. A growing number of methods applicable to formalin-fixed, paraffin-embedded (FFPE) tissue sections have been described, the majority of which rely on antibodies for antigen detection and mapping. This protocol provides step-by-step procedures for confirming the selectivity and specificity of antibodies used in fluorescence-based tissue imaging and for the construction and validation of antibody panels. Although the protocol is implemented using tissue-based cyclic immunofluorescence (t-CyCIF) as an imaging platform, these antibody-testing methods are broadly applicable. We demonstrate assembly of a 16-antibody panel for enumerating and localizing T cells and B cells, macrophages, and cells expressing immune checkpoint regulators. The protocol is accessible to individuals with experience in microscopy and immunofluorescence; some experience in computation is required for data analysis. A typical 30-antibody dataset for 20 FFPE slides can be generated within 2 weeks.

SUBMITTER: Du Z 

PROVIDER: S-EPMC6959005 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Qualifying antibodies for image-based immune profiling and multiplexed tissue imaging.

Du Ziming Z   Lin Jia-Ren JR   Rashid Rumana R   Maliga Zoltan Z   Wang Shu S   Aster Jon C JC   Izar Benjamin B   Sorger Peter K PK   Santagata Sandro S  

Nature protocols 20190918 10


Multiplexed tissue imaging enables precise, spatially resolved enumeration and characterization of cell types and states in human resection specimens. A growing number of methods applicable to formalin-fixed, paraffin-embedded (FFPE) tissue sections have been described, the majority of which rely on antibodies for antigen detection and mapping. This protocol provides step-by-step procedures for confirming the selectivity and specificity of antibodies used in fluorescence-based tissue imaging and  ...[more]

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