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A Comprehensively Prognostic and Immunological Analysis of PARP11 in Pan-cancer.

Shengli WangMingyue ZhangTao LiXinru ChenQinhan WuDan TianZvi GranotHongbiao XuJianlei HaoHongru Zhang
Published in: Journal of leukocyte biology (2024)
Poly (ADP ribose) polymerase family member 11(PARP11) has important immune regulatory functions in viral infection and tumor immune response. Particularly, PARP11 showed protumor activities in multiple preclinical murine models. However, no systematic pan-cancer analysis has been conducted to explore PARP11 function. In this study we used multiple databases to assess PARP11 expression, which associations with clinical outcomes, immune checkpoint factors, prognostic significance, genomic characteristics, and immunological aspects. The analysis revealed varying expression levels of PARP11 across different cancer types and a significant correlation between its expression and immune cell infiltration. Insights from the CellMiner database suggest a strong link between PARP11 expression and sensitivity to anticancer drugs, highlighting its potential as a therapeutic target. Moreover, PARP11 expression correlates with patient survival during anti-PD1 and anti-CTLA4 treatments, suggested that PARP11 would be a predictor of immune checkpoint inhibitor (ICI) treatment. In summary, PARP11 would be a potential immunoregulatory target and a diagnosis and prognosis marker for certain types of cancers. The detailed mechanisms of PARP11 in tumor immune responses need to be further investigated.
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