Cells (Jul 2023)

Association of the rs8720 and rs12587 <i>KRAS</i> Gene Variants with Colorectal Cancer in a Mexican Population and Their Analysis In Silico

  • Martha Patricia Gallegos-Arreola,
  • Asbiel Felipe Garibaldi-Ríos,
  • José Israel Cruz-Sánchez,
  • Luis Eduardo Figuera,
  • Carlos Alberto Ronquillo-Carreón,
  • Mónica Alejandra Rosales-Reynoso,
  • Belinda Claudia Gómez-Meda,
  • Irving Alejandro Carrillo-Dávila,
  • Ana María Puebla-Pérez,
  • Héctor Montoya-Fuentes,
  • Valeria Peralta-Leal,
  • Guillermo M. Zúñiga-González

DOI
https://doi.org/10.3390/cells12151941
Journal volume & issue
Vol. 12, no. 15
p. 1941

Abstract

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Colorectal cancer (CRC) is a major global health challenge and one of the top 10 cancers in Mexico. Lifestyle and genetic factors influence CRC development, prognosis, and therapeutic response; identifying risk factors, such as the genes involved, is critical to understanding its behavior, mechanisms, and prognosis. The association between KRAS gene variants (rs8720 and rs12587) and CRC in the Mexican population was analyzed. We performed in silico analysis and analyzed 310 healthy individuals and 385 CRC patients using TaqMan assays and real-time PCR. The CC and GG genotypes of rs8720 and rs12587 were identified as CRC risk factors (p TG haplotype is protected against CRC. The combined CCGG genotype was linked to CRC risk. In silico analysis revealed that the rs12587 and rs8720 variants could influence KRAS gene regulation via miRNAs. In conclusion, rs8720 and rs12587 variants of the KRAS gene were associated with CRC risk and could influence KRAS regulation via miRNAs.

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