期刊
CLINICAL AND EXPERIMENTAL HYPERTENSION
卷 33, 期 6, 页码 359-365出版社
TAYLOR & FRANCIS INC
DOI: 10.3109/10641963.2011.561896
关键词
CYP3A5 polymorphisms; blood pressure; kidney transplantation; calcineurin inhibitors
Renal cytochrome P450 3A5 (CYP3A5) has been associated with blood pressure (BP) control in humans. We investigated whether CYP3A5 polymorphisms are associated with post-transplant hypertension in a selected population of kidney recipients receiving calcineurin inhibitors. Ninety-two kidney transplant recipients receiving cyclosporine (CyA) or tacrolimus (Tac) were genotyped for CYP3A5 polymorphisms, and the association between the CYP3A5 alleles (*1,*3) and hypertension on post-operative day (POD) 6 and POD 180 was verified, with multiple regression being used to identify the putative co-variates that may predict the extent and severity of hypertension in transplant recipients at different post-transplant times. The CYP3A5*1 carriers had higher systolic (SBP) and diastolic blood pressure (DBP) in both the immediate and delayed post-transplant period when adjusted for anti-hypertensive medication (POD 6: SBP = 161 +/- 23 vs. 140 +/- 23 mmHg; DBP = 120 +/- 15 vs. 87 +/- 14 mmHg, p < 0.05. POD 180: SBP = 136 +/- 16 vs. 129 +/- 14 mmHg; DBP = 89 +/- 15 vs. 80 +/- 15 mmHg, p < 0.05). The severity of hypertension between the CYP3A5*1 carriers and noncarriers on POD 6 was documented by the significantly different distribution of hypertension classes, but this was not confirmed on POD 180. The CYP3A5 genotype was the only independent variable affecting mean arterial pressure. The results of this study show that CYP3A5 polymorphisms are associated with the severity and degree of hypertension in kidney transplant recipients receiving calcineurin inhibitors regardless of the time of recording. However, the role of concomitant medications such as steroids with strong CYP3A5 inducing activity, should be taken into account.
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