The association of aberrant expression of NLRP3 and p-S6K1 in colorectal cancer.

Colorectal carcinoma (CRC) is one of the most common malignancies worldwide, and except for surgery, treatments effects are limited. Recently, NLRP3 has been reported as an activator in the tumorigenesis of CRC. However, the function and mechanism of NLRP3 in CRC remains elusive. In this study, we revealed that NLRP3 was elevated in CRC tissues and related to clinical factors, such as lymph node invasion and tumor-node-metastasis (TNM) stage. Moreover, NLRP3-positive patients had a poor prognosis. Furthermore, univariate and multivariate analysis revealed that NLRP3 expression was an independent prognostic factor for the survival of CRC patients. We investigated whether NLRP3 linked with the mTOR-S6K1 pathway. The expression of p-S6K1 was upregulated in CRC tissues and NLRP3 expression level was positively associated with the p-S6K1 level. Thus, targeting NLRP3 may be promising for targeted therapy of CRC, especially for mTORC1-targeted resistant patients.

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