https://www.selleckchem.com/
Mechanistically, PIPKIγ promoted the expression of the immune checkpoint molecule PD-L1 via activation of NF-κB signaling pathway. Genetic silencing of PD-L1 did not affect CRC cell proliferation but significantly sensitized CRC cells to oxaliplatin. Notably, PD-L1 was revealed to be encapsulated in the exosomes, and the addition of exosomal PD-L1 to sh-PD-L1 CRC cells restored oxaliplatin resistance. Pharmacological hijacking PIPKIγ-exosomal PD-L1 axis largely reduced oxaliplatin resistance in CRC cells. In vivo experiments showed that PD-L1 loss significa
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