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Programmable in situ amplification for multiplexed imaging of mRNA expression

Open access
Choi, Harry M T, Chang, Joann Y, Trinh, Le A, Padilla, Jennifer E, Fraser, Scott E, Pierce, Niles A·2010·Nature Biotechnology

Abstract

In situ hybridization methods enable the mapping of mRNA expression within intact biological samples. With current approaches, it is challenging to simultaneously map multiple target mRNAs within whole-mount vertebrate embryos, representing a significant limitation in attempting to study interacting regulatory elements in systems most relevant to human development and disease. Here, we report a multiplexed fluorescent in situ hybridization method based on orthogonal amplification with hybridization chain reactions (HCR). With this approach, RNA probes complementary to mRNA targets trigger chain reactions in which fluorophore-labeled RNA hairpins self-assemble into tethered fluorescent amplification polymers. The programmability and sequence specificity of these amplification cascades enable multiple HCR amplifiers to operate orthogonally at the same time in the same sample. Robust performance is achieved when imaging five target mRNAs simultaneously in fixed whole-mount and sectioned zebrafish embryos. HCR amplifiers exhibit deep sample penetration, high signal-to-background ratios and sharp signal localization.

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Metadata

Authors
Choi, H. M. T., Chang, J. Y., Trinh, L. A., Padilla, J. E., Fraser, S. E., & Pierce, N. A.
Venue
Nature Biotechnology
Published
2010-10-31
Volume
28
Issue
11
Pages
1208-1212
ISSN
  • 0733-222X (ISSN-L)
  • 1087-0156
  • 1546-1696
OpenAlex
W2094844506
Cited by
715
References
2
FWCI
10.28
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Programmable in situ amplification for multiplexed imaging of mRNA expression. https://app.cochat.ai/papers/10.1038/nbt.1692
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Choi, H. M. T., Chang, J. Y., Trinh, L. A., Padilla, J. E., Fraser, S. E., & Pierce, N. A. (2010). Programmable in situ amplification for multiplexed imaging of mRNA expression. Nature Biotechnology. https://doi.org/10.1038/nbt.1692

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