PTGFR and SLCO2A1 Gene Polymorphisms Determine Intraocular Pressure Response to Latanoprost in Han Chinese Patients with Glaucoma

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Abstract
Purpose: To determine the relationship between the polymorphisms of the prostaglandin F2α receptor (PTGFR) and solute carrier organic anion transporter family 2A1 (SLCO2A1) genes and response to latanoprost treatment in Han Chinese patients with glaucoma. Materials and Methods: 89 patients with POAG or OH received latanoprost treatment and intraocular pressure (IOP) data was collected on day 7 and day 30. The rs12093097, rs35586449, rs3753380, and rs3766355 single-nucleotide polymorphisms (SNPs) in the PTGFR gene and rs2370512, rs34550074, and rs4241366 SNPs in the SLCO2A1 gene were analyzed using direct DNA sequencing or polymerase chain reaction–restriction fragment length polymorphism (PCR-RFLP). Results: The IOP in patients with GG allele of rs4241366 was lower than in patients with GC+CC on day 7 (p = 0.007). The IOP in patients with CC allele of rs3766355 was lower than in patients with CA+AA on day 30 (p = 0.024). Multiple regression analysis demonstrated that even after adjusting for baseline IOP, the rs4241366 in SLCO2A1 gene and the rs3766355 in PTGFR gene correlated with response to latanoprost on day 7 (rs4241366, p = 0.014) and day 30 (rs3766355, p = 0.035), respectively, in Han Chinese patients with glaucoma. Conclusions: An association was found between single nucleotide polymorphisms of the PTGFR and SLCO2A1 genes and the response to latanoprost in Han Chinese patients with glaucoma. These SNPs may be important determinants of differential response to latanoprost.
Funding Information
  • National Natural Science Foundation of China (81371012, 81271004)
  • Development and Reform Commission of Hunan Province (2014-658)
  • Department of Science and Technology, Hunan Province (2013TZ2013)

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