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Short Communication: Increase of HIV-1 K103N Transmitted Drug Resistance and Its Association with Efavirenz Use in South Korea.


ABSTRACT: Previous studies reported a relatively low prevalence of transmitted drug resistance (TDR) in South Korea (<5%). A genotypic resistance test was performed on 131 treatment-naive HIV-1-infected individuals from February 2013 to February 2014. Eleven individuals (8.4%) presented TDR, of whom eight had K103N, revealing a significant increase in K103N TDR compared to previous studies (p<0.001). Using phylogenetic analysis, we identified three distinct clustering pairs with genetic relativeness and a total of five independent strains among the eight K103N cases. Our findings suggest that multiple sources of K103N occurred, most likely as a consequence of increased efavirenz use in South Korea.

SUBMITTER: Chin BS 

PROVIDER: S-EPMC4516954 | biostudies-literature | 2015 Jun

REPOSITORIES: biostudies-literature

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Short Communication: Increase of HIV-1 K103N Transmitted Drug Resistance and Its Association with Efavirenz Use in South Korea.

Chin Bum Sik BS   Shin Hyoung-Shik HS   Kim Gayeon G   Wagner Gabriel A GA   Gianella Sara S   Smith Davey M DM  

AIDS research and human retroviruses 20150428 6


Previous studies reported a relatively low prevalence of transmitted drug resistance (TDR) in South Korea (<5%). A genotypic resistance test was performed on 131 treatment-naive HIV-1-infected individuals from February 2013 to February 2014. Eleven individuals (8.4%) presented TDR, of whom eight had K103N, revealing a significant increase in K103N TDR compared to previous studies (p<0.001). Using phylogenetic analysis, we identified three distinct clustering pairs with genetic relativeness and a  ...[more]

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