Breast cancer

Relationship between SPOP mutation and breast cancer in Chinese population

M. A. Khan, Zhu, L., Tania, M., Xiao, X. L., and Fu, J. J., “Relationship between SPOP mutation and breast cancer in Chinese population”, vol. 14, pp. 12362-12366, 2015.

SPOP protein has been found to have ubiquitin ligase activity. Mutations in SPOP gene have been recently reported in some cancers such as prostate, gastric, colorectal cancer. We investigated SPOP DNA mutation in tumor tissues collected from 70 Chinese female breast cancer patients in Southwestern China by DNA sequencing. The results did not show mutation in our tissue samples, indicating that a mutation in the SPOP gene may not be associated with breast cancer, particularly in Chinese women.

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).

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