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TUFT1 Facilitates Metastasis, Stemness, and Vincristine Resistance in Colorectal Cancer via Activation of PI3K/AKT Pathway

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Abstract

Since the incidence and mortality of colorectal cancer (CRC) are increasing in recent years, the research on the pathogenesis of colorectal cancer has attracted more and more attention. Here, our results confirmed that the mRNA expression level and proteins accumulation of TUFT1 were significantly increased in CRC tissues from late-stage CRC patients (III + IV) (p < 0.001), indicated by qPCR and IHC assay. The TUFT1 expression was positively correlated with tumor stage by analyzing 126 specimens from CRC patients. Next, we found that up-regulation of TUFT1 enhanced the migration and invasion of LoVo cells, whereas the down-regulation of TUFT1 observably weakened the migration and invasion of SW837 cells, indicating that TUFT1 promotes the metastasis of CRC cells. In addition, TUFT1 overexpression increased the number of mammary spheres and vincristine resistance of LoVo cells by sphere formation assay and measuring the IC50 value, suggesting the TUFT1 promotes stemness and the vincristine resistance of CRC cells. Finally, we found that TUFT1 overexpression increased p-AKT in LoVo cells, while down-regulation of TUFT1 decreased the p-AKT levels in SW837 cells. Therefore, we determined that the function of TUFT1 in CRC depends on PI3K/AKT pathway. Taken together, these data demonstrated that TUFI1 facilitates metastasis, stemness, and vincristine resistance of colorectal cancer cells via activation of PI3K/AKT pathway, which might act as a promising therapeutic target for CRC.

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All data generated or analyzed during this study are included in this published article.

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YY, TZ, and LW designed the study, supervised the data collection, analyzed the data, interpreted the data, prepared the manuscript for publication, and reviewed the draft of the manuscript. All the authors have read and approved the manuscript.

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Correspondence to Tao Zhang.

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The protocol was approved by the Ethics Committee of Ankang Central Hospital.

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Yang, Y., Zhang, T. & Wu, L. TUFT1 Facilitates Metastasis, Stemness, and Vincristine Resistance in Colorectal Cancer via Activation of PI3K/AKT Pathway. Biochem Genet 59, 1018–1032 (2021). https://doi.org/10.1007/s10528-021-10051-0

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  • DOI: https://doi.org/10.1007/s10528-021-10051-0

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