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                                                | Vitamin K Epoxide Reductase Complex, Subunit 1 Gene-1639 Polymorphism in Surakarta, Indonesia and South East Asia. |  
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                                                            | Author: | T.D. ARDYANTO, R.NIRURI, A.PANGASTUTI, H.ARIFIANTO |  
                                                            | Abstract: | Vitamin K Epoxide Reductase Complex, Subunit 1 (VKORC1) Gene -1639 polymorphism was significantly associated with warfarin maintenance dose. Frequency of VKORC1-1639 variant alleles/ genotypes differed among ethnicities and populations. Genetic frequencies varied in different geographical areas. This study aimed to identify allele / genotype frequencies of VKORC1 gene -1639 in Surakarta and in Southeast Asia. The genotypes in Surakarta were identified by polymerase chain reaction confronting two-pair primers. Systematic review study was conducted to identify allele/genotype frequencies in Southeast Asia. A heterozygous GA was identified as the highest percentage genotype (53 patients (50% of 106 cardiovascular patients)) in Surakarta Indonesia. Other identified genotypes in Surakarta were AA (48 subjects (45%)) and GG (5 subjects (5%)).  Meanwhile, the highest percentage genotype in Bandung and Jakarta, Indonesia, was AA. A homozygous AA was also the most common genotype in Malaysia, Bangkok, Vietnam, and Singapore. The genotype frequency distribution in Surakarta, Indonesia, was different from studies conducted in Southeast Asia. |  
                                                            | Keyword: | VKORC1-1639, Surakarta Indonesia, Southeast Asia. |  
					| EOI: | - |  
					| DOI: | https://doi.org/10.31838/ijpr/2021.13.02.355 |  
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