Cell death mechanisms and regulation Peer reviewed

PET Imaging of Phosphorylated RIPK1 Reveals Necroptosis Activation In Vivo

Sun Mi Park, Tae Sup Lee, Jieun Lee, Jiwon Yoon and 2 more

Molecular Pharmaceutics | Jul 22, 2026

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This activation-state imaging approach allows detection of early molecular events preceding structural damage and supports the use of [18F]1 as a potential pharmacodynamic biomarker for assessing RIPK1 pathway engagement and therapeutic modulation.

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as a potential pharmacodynamic biomarker for assessing RIPK1 pathway engagement and therapeutic modulation.

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Sun Mi Park

first | Ewha Womans University Medical Center

Tae Sup Lee

middle | Technology Applications (United States) | ORCID 0000-0002-8266-7380

Jieun Lee

middle | Ewha Womans University Medical Center

Jiwon Yoon

middle | Ewha Womans University Medical Center | ORCID 0009-0003-0296-9325

Bom Sahn Kim

middle | Ewha Womans University Medical Center | ORCID 0000-0003-2520-7182

Byung Seok Moon

last | Ewha Womans University Medical Center | ORCID 0000-0002-8749-1337

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@article{Park2026Imaging,
  title = {PET Imaging of Phosphorylated RIPK1 Reveals Necroptosis Activation In Vivo},
  author = {Sun Mi Park and Tae Sup Lee and Jieun Lee and Jiwon Yoon and Bom Sahn Kim and Byung Seok Moon},
  journal = {Molecular Pharmaceutics},
  year = {2026},
  doi = {10.1021/acs.molpharmaceut.6c00579},
  url = {https://doi.org/10.1021/acs.molpharmaceut.6c00579}
}

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