The pharmacogenomics journal · 2018
Hydroxyurea in the management of sickle cell disease: pharmacogenomics and enzymatic metabolism.
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Yahouédéhou Sètondji Cocou Modeste Alexandre, Adorno Elisângela Vitória, da Guarda Caroline Conceição, Ndidi Uche Samuel, Carvalho Suellen Pinheiro, Santiago Rayra Pereira, Aleluia Milena Magalhães, de Oliveira Rodrigo Mota, Gonçalves Marilda de Souza
Аннотация
Hydroxyurea (HU) was approved to be used in the treatment of sickle cell disease (SCD) because of its anti-sickling potential. However, there is variability in HU response among SCD patients and this can be due to physiological, socioeconomic, environmental, metabolic and/or genetic factors. The present review focuses on the latter two. Three quantitative trait loci, HBG2, BCL11A and HMIP, have been suggested as important markers for HU response. Other genes (ASS1, KLF10, HAO2, MAP3K5, PDE7B, TOX, NOS1, NOS2A, FLT1, ARG1, ARG2, UGT1A1, OR51B5/6, SIN3A, SALL2, SAR1A, UTB, OCTN1, CYP2C9, AQP9, MPO, CYP2E1, and GSTT1) have also been considered. Studies implicate catalase, urease, horseradish peroxidase and enzymes of CYP450 family in HU metabolism. However, little is known about these enzymes. Therefore, further studies are needed to elucidate the metabolic pathway of HU, which will facilitate pharmacogenomic studies and help in identification of candidate genes for predicting HU response.