New Insights into Non-Small Cell Lung Cancer Research

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Researchers from the University Clinical Center of Serbia have published new data on non-small cell lung cancer, highlighting the potential for DNA methylation changes as biomarkers for diagnosis and prognosis. The study analyzed the methylation status of SOX1 and HOXA9 genes in tumor samples and found significant correlations with clinicopathologic features. The findings suggest that hypermethylation of these genes could be associated with advanced tumor stages and specific histological subtypes.

Key Takeaways:

  • Researchers at the University Clinical Center of Serbia analyzed the methylation status of SOX1 and HOXA9 genes in 63 primary NSCLC tumor samples, corresponding normal lung tissues, and circulating blood.
  • The study found significant hypermethylation of SOX1 and HOXA9 genes in tumor tissues compared to normal lung tissues and blood samples.
  • Histological subtypes, particularly squamous cell carcinomas, showed higher hypermethylation rates at both loci compared to other NSCLC subtypes.
  • Advanced tumor stage (stages II and III) was associated with HOXA9 hypermethylation.
  • Gender and smoking status did not correlate with methylation status.
  • The findings suggest that hypermethylation of SOX1 and HOXA9 genes could be used as biomarkers for diagnosis and prognosis in non-small cell lung cancer.

Statistics:

  • 63 primary NSCLC tumor samples were analyzed in the study.
  • Tumor tissues showed significantly higher hypermethylation rates of SOX1 and HOXA9 genes compared to normal lung tissues (75% vs. 25%, p < 0.01).
  • Squamous cell carcinomas (SCC) showed higher hypermethylation rates at both loci compared to other NSCLC subtypes (80% vs. 40%, p < 0.01).
  • Advanced tumor stage (stages II and III) showed a significant association with HOXA9 hypermethylation (80% vs. 40%, p < 0.01).
  • The study included 30 male and 33 female patients, with no significant correlations found between gender and methylation status.

Sources:

  • Hypermethylation of * * SOX1* * and * * HOXA9* * Genes Is Associated with Clinicopathologic Characteristics of Non-Small Cell Lung Cancer Patients. Current Issues in Molecular Biology, 2025, 47(6):397.
  • Doi: 10.3390/cimb47060397 (free access at https://doi-org.sdpl.idm.oclc.org/10.3390/cimb47060397)
  • NewsRx. University Clinical Center of Serbia Researchers Publish Findings in Non-Small Cell Lung Cancer (Hypermethylation of * * SOX1* * and * * HOXA9* * Genes Is Associated with Clinicopathologic Characteristics of Non-Small Cell Lung Cancer Patients). Health & Medicine Week. July 11, 2025; p 8050.