TY - JOUR
T1 - ABCB1 (MDR1) rs1045642 is associated with increased overall survival in plasma cell myeloma
AU - Drain, S.
AU - Catherwood, M.A.
AU - Orr, N.
AU - Galligan, L.
AU - Rea, Maeve
AU - Hodkinson, C.
AU - Drake, M.B.
AU - Kettle, P.J.
AU - Morris, T.C.
AU - Alexander, H.D.
PY - 2009/4
Y1 - 2009/4
N2 - Multi-drug resistance (MDR) may compromise the successful management of haematological malignancies, impairing the effectiveness of chemotherapy. The P-glycoprotein (P-gp) drug efflux pump, encoded by the gene ABCB1 (MDR1), is the most widely studied component in MDR. A single nucleotide polymorphism (SNP) has been identified within ABCB1, rs1045642 (C3435T), which may alter P-gp substrate specificity and have an impact on the effectiveness of treatment, and hence overall survival (OS). We estimated the frequency of this SNP in the Northern Irish population and investigated its impact on the OS of patients with plasma cell myeloma (PCM). There was no significant difference in the frequency of rs1045642 between the PCM cohort and an age- and gender-matched control population. Findings within the PCM cohort suggest that rs1045642 genotype influences OS (p = 2 x 10(-2)). If confirmed in larger studies, these results suggest that genotyping rs1045642 may be a useful predictor of outcome in PCM and could indicate modified treatment modalities in certain individuals.
AB - Multi-drug resistance (MDR) may compromise the successful management of haematological malignancies, impairing the effectiveness of chemotherapy. The P-glycoprotein (P-gp) drug efflux pump, encoded by the gene ABCB1 (MDR1), is the most widely studied component in MDR. A single nucleotide polymorphism (SNP) has been identified within ABCB1, rs1045642 (C3435T), which may alter P-gp substrate specificity and have an impact on the effectiveness of treatment, and hence overall survival (OS). We estimated the frequency of this SNP in the Northern Irish population and investigated its impact on the OS of patients with plasma cell myeloma (PCM). There was no significant difference in the frequency of rs1045642 between the PCM cohort and an age- and gender-matched control population. Findings within the PCM cohort suggest that rs1045642 genotype influences OS (p = 2 x 10(-2)). If confirmed in larger studies, these results suggest that genotyping rs1045642 may be a useful predictor of outcome in PCM and could indicate modified treatment modalities in certain individuals.
UR - http://www.scopus.com/inward/record.url?scp=68449090715&partnerID=8YFLogxK
U2 - 10.1080/10428190902853144
DO - 10.1080/10428190902853144
M3 - Article
C2 - 19373654
SN - 1029-2403
VL - 50
SP - 566
EP - 570
JO - Leukemia and Lymphoma
JF - Leukemia and Lymphoma
IS - 4
ER -
