Myeloid cell leukemia-1 as a candidate prognostic biomarker in cancers: a systematic review and meta-analysis
Jianrong Wang1, Yu He1, Chao Yang1
1Department of Respiratory and Critical Care Medicine, Ya'an People's Hospital, Ya'an, Sichuan, China.
Introduction:
Studies have shown that myeloma cell leukemia-1 (MCL-1) is associated with the prognosis of patients with cancer. To further validate the prognostic value of MCL-1 in cancer, a meta-analysis was conducted.
Methods:
Six databases were searched using Boolean logic search formulas. Data were extracted from the included literature, and pooled odds ratio, hazard ratio, and 95% confidence interval were calculated to determine the relationship between MCL-1 levels and clinicopathological characteristics and prognosis of patients with cancer. When heterogeneity was found to be significant, a random effects model was used, otherwise, a fixed effects model was used.
Results:
Twelve articles were included in this meta-analysis, totaling 2208 patients with cancer across 14 studies. A high MCL-1 expression level was associated with patients with high T stage, M stage, and TNM stage in some cancers. Additionally, high MCL-1 expression was likely to be observed in patients with poorly differentiated digestive system tumors and patients with lung adenocarcinoma. Notably, a higher expression of MCL-1 was found to be associated with shorter overall survival in patients with hematological tumors, digestive system tumors, and lung cancer.
Conclusion:
MCL-1 may be a prognostic biomarker in patients with some types of cancer.
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