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KIFC1 Is Associated with Basal Type, Cisplatin Resistance, PD-L1 Expression and Poor Prognosis in Bladder Cancer

Overview
Journal J Clin Med
Specialty General Medicine
Date 2021 Nov 13
PMID 34768355
Citations 6
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Abstract

Kinesin family member C1 (), a minus end-directed motor protein, is reported to play an essential role in cancer. This study aimed to analyze expression and examine involvement in cisplatin resistance in bladder cancer (BC). Immunohistochemistry showed that 37 of 78 (47.4%) BC cases were positive for . -positive cases were associated with high T stage and lymph node metastasis. Kaplan-Meier analysis showed that -positive cases were associated with poor prognosis, consistent with the results from public databases. Molecular classification in several public databases indicated that expression was increased in basal type BC. Immunohistochemistry showed that -positive cases were associated with basal markers 34βE12, CK5 and CD44. expression was increased in altered compared to that in wild-type . Immunohistochemistry showed that -positive cases were associated with p53-positive cases. P53 knockout by CRISPR-Cas9 induced expression in BC cell lines. Knockdown of by siRNA increased the sensitivity to cisplatin in BC cells. Kaplan-Meier analysis indicated that prognosis was poor among -positive BC patients treated with cisplatin-based chemotherapy. Immunohistochemistry showed that -positive cases were associated with PD-L1-positive cases. High expression was associated with a favorable prognosis in patients treated with atezolizumab from the IMvigor 210 study. These results suggest that might be a promising biomarker and therapeutic target in BC.

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