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author:

Zheng, J. (Zheng, J..) [1] | Deng, Y. (Deng, Y..) [2] | Huang, B. (Huang, B..) [3] | Chen, X. (Chen, X..) [4]

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Abstract:

Background: Mutations in STK11 (STK11Mut) gene may present a negative impact on survival in Non-small Cell Lung Cancer (NSCLC) patients, however, its relationship with immune related genes remains unclear. This study is to unveil whether overexpressed- and mutated-STK11 impact survival in NSCLC and to explore whether immune related genes (IRGs) are involved in STK11 mutations. Methods: 188 NSCLC patients with intact formalin-fixed paraffin-embedded (FFPE) tissue available for detecting STK11 protein expression were included in the analysis. After immunohistochemical detection of STK11 protein, patients were divided into high STK11 expression group (STK11High) and low STK11 expression group (STK11Low), and then Kaplan-Meier survival analysis and COX proportional hazards model were used to compare the overall survival (OS) and progression-free survival (PFS) of the two groups of patients. In addition, the mutation data from the TCGA database was used to categorize the NSCLC population, namely STK11 Mutated (STK11Mut) and wild-type (STK11Wt) subgroups. The difference in OS between STK11Mut and STK11Wt was compared. Finally, bioinformatics analysis was used to compare the differences in IRGs expression between STK11Mut and STK11Wt populations. Results: The median follow-up time was 51.0 months (range 3.0 - 120.0 months) for real-life cohort. At the end of follow-up, 64.36% (121/188) of patients experienced recurrence or metastasis. 64.89% (122/188) of patients ended up in cancer-related death. High expression of STK11 was a significant protective factor for NSCLC patients, both in terms of PFS [HR=0.42, 95% CI= (0.29-0.61), P<0.001] and OS [HR=0.36, 95% CI= (0.25, 0.53), P<0.001], which was consistent with the finding in TCGA cohorts [HR=0.76, 95%CI= (0.65, 0.88), P<0.001 HR=0.76, 95%CI= (0.65, 0.88), P<0.001]. In TCGA cohort, STK11 mutation was a significant risk factor for NSCLC in both lung squamous cell carcinoma (LUSC) and lung adenocarcinoma (LUAD) histology in terms of OS [HR=6.81, 95%CI= (2.16, 21.53), P<0.001; HR=1.50, 95%CI= (1.00, 2.26), P=0.051, respectively]. Furthermore, 7 IRGs, namely CALCA, BMP6, S100P, THPO, CGA, PCSK1 and MUC5AC, were found significantly overexpressed in STK11-mutated NSCLC in both LUSC and LUAD histology. Conclusions: Low STK11 expression at protein level and presence of STK11 mutation were associated with poor prognosis in NSCLC, and mutated STK11 might probably alter the expression IRGs profiling. Copyright © 2024 Zheng, Deng, Huang and Chen.

Keyword:

immune related genes immunochemistry non-small cell lung cancer prognostic analysis STK11 gene

Community:

  • [ 1 ] [Zheng J.]Department of Radiation Oncology, The Second Affiliated Hospital of Fujian Medical University, Fujian, Quanzhou, China
  • [ 2 ] [Deng Y.]Department of Medical Oncology, The First Affiliated Hospital of Fujian Medical University, Fujian, Fuzhou, China
  • [ 3 ] [Huang B.]Department of Obstetrics and Gynecology, Quanzhou Medical College People’s Hospital Affiliated, Fujian, Quanzhou, China
  • [ 4 ] [Chen X.]Department of Thoracic Surgery, Clinical Oncology School of Fujian Medical University, Fujian Cancer Hospital, Fuzhou, China
  • [ 5 ] [Chen X.]The Graduate School of Fujian Medical University, Fujian, Fuzhou, China
  • [ 6 ] [Chen X.]Interdisciplinary Institute of Medical Engineering of Fuzhou University, Fujian, Fuzhou, China

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Source :

Frontiers in Immunology

ISSN: 1664-3224

Year: 2024

Volume: 15

5 . 7 0 0

JCR@2023

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ESI Highly Cited Papers on the List: 0 Unfold All

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30 Days PV: 0

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