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| Expression and Correlation of CARD9 PKM2 and CMTM6 in Breast Cancer Tissues |
| LI Ling, HE Xia, ZHOU Zicheng, et al |
| The People's Hospital of Ya'an, Sichuan Ya'an 625000, China |
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Abstract Objective: To investigate the expression and correlation of caspase recruitment domain protein 9 (CARD9), pyruvate kinase M2 (PKM2), and chemokine-like superfamily member 6 (CMTM6) in breast cancer tissues. Methods: A total of 79 patients with breast cancer admitted to our hospital from November 2019 to November 2020 were selected as research objects. The expressions of CARD9, PKM2 and CMTM6 in cancer tissues and paracancerous tissues were detected by immunohistochemistry, and the expressions of CARD9, PKM2 and CMTM6 in cancer tissues and paracancerous tissues were detected by real-time fluorescence quantitative (RT-PCR). To analyze the relationship between CARD9, PKM2, CMTM6 expression and breast cancer. Results: Compared with paracancerous tissues, CARD9, PKM2 and CMTM6 expressions were higher in cancer tissues (P<0.05). With high degree of differentiation, lymph node metastasis, Ⅰ Ⅱ period compared to patients with breast cancer, low degree of differentiation, lymph node metastasis, Ⅲperiod breast cancer patients CARD9 Ⅳ, PKM2, CMTM6 had higher expression among patients of low degree of differentiation, lymph node metastasis and Ⅲ-Ⅳ period than patients of mediun-high degree of differentiation, no lymph node metastasis and I-II period (P<0.05). Correlation analysis among CARD9, PKM2 and CMTM6 showed a positive correlation between CARD9 and PKM2 (r=0.257, P=0.022). Card9 and CMTM6 were positively correlated (r=0.260, P=0.021). PKM2 and CMTM6 were positively correlated (r=0.254, P=0.024). Compared with CARD9, PKM2 and CMTM6, the combination of these three items had higher predictive value for breast cancer, with statistical difference (P<0.05). Conclusion: The facts that CARD9, PKM2, CMTM6 have abnormally high expression in breast cancer tissue and CARD9, PKM2, CMTM6 are linearly positively correlated are related with the degree of differentiation, lymph node metastasis, clinical stages, and participation in the occurrence and development of breast cancer. The three combined tests have high predictive value for breast cancer.
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2021, Vol. 27 
