Elizabeth Guevara‐Gutiérrez, Marina Ramos‐Súarez, Romina Angélica Villalobos‐Ayala, Alberto Tlacuilo‐Parra, José Francisco Muñoz‐Valle, Victor Tarango‐Martínez, Yeminia Valle, Jorge Ramón Padilla‐Gutiérrez, José Manuel Rojas‐Díaz, Emmanuel Valdés‐Alvarado

Haplotypes of [‐794(CATT)5–8/‐173G>C] MIF gene polymorphisms and its soluble levels in cutaneous squamous cell carcinoma in western Mexican population

  • Genetics (clinical)
  • Genetics
  • Molecular Biology
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AbstractBackgroundSome cytokines are strongly implicated in the development of squamous cell carcinoma (SCC) such as the Macrophage migration inhibitory factor (MIF). The haplotype ‐794 (CATT)5–8/‐173G>C in MIF gene polymorphisms has been associated with some types of cancer. The aim of this study is to establish the possible association between the presence of this haplotype in the MIF gene and its subsequent soluble levels with the susceptibility of SCC in western Mexican population.MethodsThis study included 175 SCC patients and 175 age–sex‐matched individuals as a reference group (RG) from western Mexico. Genomic DNA was extracted from peripheral blood leukocytes. Polymorphisms were genotyped by endpoint PCR and PCR‐RFLP, and the determination of MIF serum levels was measured by ELISA. Clinical characteristics were evaluated by a group of dermatologists.ResultsAnalysis of [‐794(CATT)5–8/‐173G>C] MIF gene polymorphisms showed that the 5C (OR = 2.7, p = 0.02) and the 7G (OR = 3.39, p < 0.01) haplotypes are associated with susceptibility in SCC. MIF soluble levels in SCC patients showed a median of 13.93 ng/mL, whereas the reference group showed 6.000 ng/mL.ConclusionsOur findings suggest that 5C and 7G [‐794(CATT)5–8/‐173G>C] MIF gene haplotypes are associated with susceptibility to SCC and that SCC patients present increased soluble levels of MIF.

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