Mexican population

Association between TNF-α-308G>A and -238G>A gene polymorphisms and TNF-α serum levels in Mexican colorectal cancer patients

I. A. Gutiérrez-Hurtado, Puebla-Pérez, A. M., Delgado-Saucedo, J. I., Figuera, L. E., Zúñiga-González, G. M., Gomez-Mariscal, K., Ronquillo-Carreón, C. A., Gallegos-Arreola, M. P., Gutiérrez-Hurtado, I. A., Puebla-Pérez, A. M., Delgado-Saucedo, J. I., Figuera, L. E., Zúñiga-González, G. M., Gomez-Mariscal, K., Ronquillo-Carreón, C. A., and Gallegos-Arreola, M. P., “Association between TNF-α-308G>A and -238G>A gene polymorphisms and TNF-α serum levels in Mexican colorectal cancer patients”, vol. 15, p. -, 2016.

The objective of this study was to examine the association between TNF-α serum levels and -308G>A and -238G>A polymorphisms in the corresponding gene by comparing healthy subjects to colorectal cancer (CRC) patients from a Mexican population. Serum levels of TNF-α were found to significantly differ between CRC patients and controls (P = 0.001), but no relationship between the -308G>A and -238G>A polymorphisms and increased CRC risk was established (P > 0.05).

Association of the GSTM1 null polymorphism with breast cancer in a Mexican population

O. Soto-Quintana, Zúñiga-González, G. M., Ramírez-Patiño, R., Ramos-Silva, A., Figuera, L. E., Carrillo-Moreno, D. I., Gutiérrez-Hurtado, I. A., Puebla-Pérez, A. M., Sánchez-Llamas, B., and Gallegos-Arreola, M. P., “Association of the GSTM1 null polymorphism with breast cancer in a Mexican population”, vol. 14, pp. 13066-13075, 2015.

The glutathione S transferase (GST) family plays an important role in the processing of carcinogens. Data on the null GSTM1 genotype has revealed associations with cancer, and has been suggested to affect carcinogen metabolism and to contribute to tumor promotion in the mammary gland. We examined the role of the null GSTM1 genotype by comparing the genotypes of 276 healthy Mexican women with those of 558 Mexican women with breast cancer (BC).

RUNX3 gene polymorphisms and haplotypes in Mexican patients with colorectal cancer

S. Suárez-Villanueva, Ayala-Madrigal, M. L., Peregrina-Sandoval, J., Macias-Gomez, N., Ramírez-Ramírez, R., Muñiz-Mendoza, R., Moreno-Ortiz, J. M., Centeno-Flores, M., Maciel-Gutiérrez, V., Cabrales, E., and Gutierrez-Angulo, M., “RUNX3 gene polymorphisms and haplotypes in Mexican patients with colorectal cancer”, vol. 14, pp. 15505-15510, 2015.

We analyzed a possible association between RUNX3 gene polymorphisms and haplotypes in Mexican patients with colorectal cancer (CRC). Genomic DNA samples were obtained from the peripheral blood of 176 Mexican patients with CRC at diagnosis and from 195 individuals that formed the control group. The polymorphisms were detected by polymerase chain reaction-restriction fragment length polymorphism. Association was estimated by odds ratio (OR). The haplotypes and linkage disequilibrium were established using the Arlequin v3.5 software.

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