Cited by 208Advanced Fluorescence Microscopy TechniquesCell Image Analysis TechniquesSingle-cell and spatial transcriptomics

Cyclic Immunofluorescence (CycIF), A Highly Multiplexed Method for Single‐cell Imaging

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Lin, Jia‐Ren, Fallahi‐Sichani, Mohammad, Chen, Jia‐Yun, Sorger, Peter K.·2016·Current Protocols in Chemical Biology

Abstract

Cyc lic I mmuno f luorescence (CycIF) is a public‐domain method for performing highly multiplexed immunofluorescence imaging using a conventional epifluorescence microscope. It uses simple reagents and existing antibodies to construct images with up to 30 channels by sequential 4‐ to 6‐channel imaging followed by fluorophore inactivation. Three variant methods are described, the most generally useful of which involves staining fixed cells with antibodies directly conjugated to Alexa Fluor dyes and imaging in four colors, inactivating fluorophores using a mild base in the presence of hydrogen peroxide and light, and then performing another round of staining and imaging. Cell morphology is preserved through multiple rounds of CycIF, and signal‐to‐noise ratios appear to increase. Unlike antibody‐stripping methods, CycIF is gentle and optimized for monolayers of cultured cells. A second protocol involves indirect immunofluorescence and a third enables chemical inactivation of genetically encoded fluorescent proteins, allowing multiplex immunofluorescence to be combined with live‐cell analysis of cells expressing fluorescent reporter proteins. © 2016 by John Wiley & Sons, Inc.

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  • Methods such as CyCIF and 4i, which do not require proprietary instrumentation, allow elution of antibodies in relatively mild conditions that preserve sample structure up to and possibly over 20 rounds of elution and imaging, allowing detection of over 40 protein targets.

    “Methods such as cyclic immunofluorescence (CyCIF)45 and iterative indirect immunofluorescence imaging (4i)46, which do not require proprietary instrumentation, allow the elution of antibodies in relatively mild conditions that preserve the sample structure up to and possibly over 20 rounds of elution and imaging, allowing the detection of over 40 protein targets.”

    From Spatial mapping of cellular senescence: emerging challenges and opportunities (2023) · cites this paper as [45]

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Authors
Lin, J., Fallahi‐Sichani, M., Chen, J., & Sorger, P. K.
Affiliations
Harvard University (US)
Venue
Current Protocols in Chemical Biology
Publisher
Wiley
Published
2016-12
Volume
8
Issue
4
Pages
251-264
ISSN
2160-4762 (ISSN-L)
OpenAlex
W2561429117
Cited by
208
References
20
Citations by year
2026: 24 · 2025: 30 · 2024: 28 · 2023: 34 · 2022: 28 · 2021: 25 · 2020: 17 · 2019: 11 · 2018: 6 · 2017: 5
FWCI
4.59
Type
journal article
Language
en
Open access
Locations
  • Current Protocols in Chemical Biology (publishedVersion, public-domain)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health
  • National Heart, Lung, and Blood Institute (U54HL127365)
  • National Cancer Institute (K99CA194163)
  • National Institute of General Medical Sciences (P50GM107618)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Advanced Fluorescence Microscopy Techniques
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biophysics › Cell Image Analysis Techniques
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Single-cell and spatial transcriptomics
Keywords
cyclic immunofluorescence, multiplex immunofluorescence, single-cell imaging, epifluorescence microscopy, hydrogen peroxide, signal-to-noise ratio, live-cell imaging, genetically encoded fluorescent proteins
MeSH terms
Antibodies, Coloring Agents, Humans, Microscopy, Fluorescence, Immunoconjugates, Cell Line, Tumor, Single-Cell Analysis

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