ABCB1

Role of ABCB1 C1236T, G2677T, and C3435T genetic polymorphisms in the development of acute leukemia in a Chinese population

R. Feng, Zhang, H. X., Zhang, H. G., Zhang, C. F., Feng, R., Zhang, H. X., Zhang, H. G., and Zhang, C. F., Role of ABCB1 C1236T, G2677T, and C3435T genetic polymorphisms in the development of acute leukemia in a Chinese population, vol. 15, p. -, 2016.

We carried out a case-control study to examine the relationship between the ATP-binding cassette subfamily B member 1 (ABCB1) gene polymorphisms C1236T, G2677T, and C3435T and risk of acute leukemia in a Chinese population. Between May 2013 and April 2015, we recruited 164 acute leukemia patients and 285 healthy controls, and determined polymorphism genotypes by polymerase chain reaction-restriction fragment length polymorphism.

1236 C/T and 3435 C/T polymorphisms of the ABCB1 gene in Mexican breast cancer patients

S. A. Gutiérrez-Rubio, Quintero-Ramos, A., Durán-Cárdenas, A., Franco-Topete, R. A., Castro-Cervantes, J. M., Oceguera-Villanueva, A., Jiménez-Pérez, L. M., Balderas-Peña, L. M. A., Morgan-Villela, G., Del-Toro-Arreola, A., and Daneri-Navarro, A., 1236 C/T and 3435 C/T polymorphisms of the ABCB1 gene in Mexican breast cancer patients, vol. 14, pp. 1250-1259, 2015.

MDR1, which is encoded by the ABCB1 gene, is involved in multidrug resistance (hydrophobic), as well as the elimination of xenotoxic agents. The association between ABCB1 gene polymorphisms and breast cancer risk in different populations has been described previously; however, the results have been inconclusive. In this study, we examined the association between polymorphisms 3435 C/T and 1236 C/T in the ABCB1 gene and breast cancer development in Mexican women according to their menopausal status and molecular classification.

Accurate monitoring of promoter gene methylation with high-resolution melting polymerase chain reaction using the ABCB1 gene as a model

A. L. Mencalha, Rodrigues, E. F., Abdelhay, E., and Fernandez, T. S., Accurate monitoring of promoter gene methylation with high-resolution melting polymerase chain reaction using the ABCB1 gene as a model, vol. 12, pp. 714-722, 2013.

Multidrug resistance is the major cause of cancer chemotherapy failure. This phenotype is mainly due to the overexpression of the human ABCB1 gene. Several studies have shown that the transcriptional regulation of this gene is complex. Yet, the impact of this transcriptional regulation has not been well studied in a clinical setting. The acquired expression of ABCB1 is associated with the genomic instability of cancer cells.

G2677T polymorphism can predict treatment outcome of Malaysians with complex partial seizures being treated with Carbamazepine

S. Subenthiran, Abdullah, N. R., Muniandy, P. K., Joseph, J. P., Cheong, K. C., Ismail, Z., and Mohamed, Z., G2677T polymorphism can predict treatment outcome of Malaysians with complex partial seizures being treated with Carbamazepine, vol. 12, pp. 5937-5944, 2013.

Carbamazepine (CBZ) is used as the first line of treatment of complex partial seizures (CPS) in Malaysia. While this drug is known to be effective for the treatment of CPS, more than 30% of patients remain drug resistant to CBZ mono-therapy. We examined a possible relationship between patients’ response to CBZ mono-therapy and the G2677T SNP of the ABCB1 gene. Three hundred and fourteen patients with CPS were recruited from the Neurology Department of the Kuala Lumpur Hospital, of whom 152 were responders and the other 162 were non-responders to CBZ mono-therapy.

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