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CODEX multiplexed tissue imaging with DNA-conjugated antibodies

Open access
Black, Sarah, Phillips, Darci, Hickey, John W., Kennedy-Darling, Julia, Venkataraaman, Vishal G., Samusik, Nikolay, Goltsev, Yury, Schürch, Christian M., Nolan, Garry P.·2021·Nature Protocols

Abstract

Advances in multiplexed imaging technologies have drastically improved our ability to characterize healthy and diseased tissues at the single-cell level. Co-detection by indexing (CODEX) relies on DNA-conjugated antibodies and the cyclic addition and removal of complementary fluorescently labeled DNA probes and has been used so far to simultaneously visualize up to 60 markers in situ. CODEX enables a deep view into the single-cell spatial relationships in tissues and is intended to spur discovery in developmental biology, disease and therapeutic design. Herein, we provide optimized protocols for conjugating purified antibodies to DNA oligonucleotides, validating the conjugation by CODEX staining and executing the CODEX multicycle imaging procedure for both formalin-fixed, paraffin-embedded (FFPE) and fresh-frozen tissues. In addition, we describe basic image processing and data analysis procedures. We apply this approach to an FFPE human tonsil multicycle experiment. The hands-on experimental time for antibody conjugation is ~4.5 h, validation of DNA-conjugated antibodies with CODEX staining takes ~6.5 h and preparation for a CODEX multicycle experiment takes ~8 h. The multicycle imaging and data analysis time depends on the tissue size, number of markers in the panel and computational complexity. This protocol describes co-detection by indexing, a highly multiplexed imaging technology that uses DNA-conjugated antibodies to image up to 60 markers in formalin-fixed, paraffin-embedded and fresh-frozen tissues.

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Metadata

Authors
Black, S., Phillips, D., Hickey, J. W., Kennedy-Darling, J., Venkataraaman, V. G., Samusik, N., Goltsev, Y., Schürch, C. M., & Nolan, G. P.
Venue
Nature Protocols
Published
2021-07-02
Volume
16
Issue
8
Pages
3802-3835
ISSN
  • 1750-2799 (ISSN-L)
  • 1754-2189
OpenAlex
W3176444924
Cited by
659
References
41
FWCI
24.35
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: CODEX multiplexed tissue imaging with DNA-conjugated antibodies. https://app.cochat.ai/papers/10.1038/s41596-021-00556-8
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Black, S., Phillips, D., Hickey, J. W., Kennedy-Darling, J., Venkataraaman, V. G., Samusik, N., Goltsev, Y., Schürch, C. M., & Nolan, G. P. (2021). CODEX multiplexed tissue imaging with DNA-conjugated antibodies. Nature Protocols. https://doi.org/10.1038/s41596-021-00556-8

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