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Published on: June 6, 2025
[Expressions of APC and c-Myc and its implication on non-small cell lung cancer]
Shi-feng Wang1, Qian Liu, Shang-fu Zhang
1Department of Pathology, West China Hospital, Sichuan University, Chengdu 610041, China.
Objective:
To investigate the expressions of adenomatous polyposis coli (APC) protein and c-Myc protein in non-small cell lung cancer (NSCLC) and their lymph node metastases.
Methods:
APC and c-Myc proteins were detected in 270 cases of primary NSCLC, 55 cases of lymph node metastatic tissues and 46 cases of adjacent normal lung tissues by EliVision and EnVision methods of immunohistochemical staining.
Results:
Higher rates of the expressions of both APC and c-Myc proteins in NSCLC primary foci were found compared with those in lymph node metastases (P < 0.05). Furthermore, the expressions of APC and c-Myc proteins varied with histological types, TNM stagings and metastasis of the NSCLC (P < 0.05). The Spearman correlation analysis showed that the expressions of APC and c-Myc proteins were positively correlated (r(s) = 0.376, P = 0.000). The Kaplan-Meier survival analysis revealed that the survival rate was lower in patients with positive expressions of APC and c-Myc proteins than in patients with negative expressions (P < 0.05). Histological type, pathologic grading, metastasis and c-Myc were identified as independent risk factors with related to the prognosis of NSCLC patients in the multivariate Cox regression model (P < 0.05).
Conclusion:
APC and c-Myc may play an important role in the progression of NSCLC.
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