Ontology highlight
ABSTRACT:
PROVIDER: PRJNA1009133 | ENA |
REPOSITORIES: ENA
Dataset's files
| Action | DRS | |||
|---|---|---|---|---|
| SRR25758717.fastq.gz | Fastqsanger.gz | |||
| SRR25758718.fastq.gz | Fastqsanger.gz | |||
| SRR25758719.fastq.gz | Fastqsanger.gz | |||
| SRR25758720.fastq.gz | Fastqsanger.gz |
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Project description:Cell death provides host defense and maintains homeostasis. Zα-containing molecules are essential for these processes. ZBP1 activates inflammatory cell death, PANoptosis, while ADAR1 serves as an RNA editor to maintain homeostasis. Here, we identify and characterize ADAR1’s interaction with ZBP1, defining its role in cell death regulation and tumorigenesis. Combining IFNs and nuclear export inhibitors (NEIs) activates ZBP1–dependent PANoptosis. ADAR1 suppresses PANoptosis by interacting with the Zα2 domain of ZBP1 to limit ZBP1 and RIPK3 interactions. Adar1fl/flLysMcre mice are resistant to development of colorectal cancer and melanoma, but deletion of the ZBP1 Zα2 domain restores tumorigenesis in these mice. In addition, treating wildtype mice with IFN-γ and the NEI KPT-330 regresses melanoma in a ZBP1–dependent manner. Our findings suggest that ADAR1 suppresses ZBP1–mediated PANoptosis, promoting tumorigenesis. Defining the functions of ADAR1 and ZBP1 in cell death is fundamental to inform therapeutic strategies for cancer and other diseases.
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