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Emergence of NNRTI drug resistance mutations after single-dose nevirapine exposure in HIV type 1 subtype C-infected infants in India. 2007

Swarali N Kurle, and Raman R Gangakhedkar, and Sourav Sen, and Shilpa S Hayatnagarkar, and Srikanth P Tripathy, and Ramesh S Paranjape
Department of Molecular Virology, National AIDS Research Institute, Pune, India.

A feasibility study for providing single-dose nevirapine (SD-NVP) prophylaxis for prevention of mother-to-child transmission (PMTCT) of HIV infection provided an opportunity to study the emergence of nonnucleoside reverse transcriptase inhibitor (NNRTI) resistance mutations as a result of single-dose administration. The study aimed at the detection of NNRTI drug resistance mutations arising as a result of SD-NVP. A total of 19 and 13 samples collected at 48 h and 2 months postpartum, respectively, from infants that were given SD-NVP were studied for the presence of NNRTI drug resistance mutations by PCR amplification and sequencing of the HIV-1 pol gene using HIV proviral DNA. The drug resistance mutational analysis of final sequences was carried out using the Stanford University HIV Drug Resistance database (http://hivdb.stanford.edu/hiv). Mutations associated with NNRTI drug resistance were observed in two (10.5%) and six (46.15%) samples at 48 h and at 2 months, respectively. K103N, one of the most common mutations, was not observed in any of the samples. The emergence of NVP resistance must be weighed against the simplicity, efficacy, and cost effectiveness of SD-NVP prophylaxis in PMTCT settings in developing countries.

UI MeSH Term Description Entries
D007194 India A country in southern Asia, bordering the Arabian Sea and the Bay of Bengal, between Burma and Pakistan. The capitol is New Delhi. Republic of India
D007223 Infant A child between 1 and 23 months of age. Infants
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D009154 Mutation Any detectable and heritable change in the genetic material that causes a change in the GENOTYPE and which is transmitted to daughter cells and to succeeding generations. Mutations
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011251 Pregnancy Complications, Infectious The co-occurrence of pregnancy and an INFECTION. The infection may precede or follow FERTILIZATION. Complications, Infectious Pregnancy,Infectious Pregnancy Complications,Maternal Sepsis,Pregnancy, Infectious Complications,Sepsis during Pregnancy,Sepsis in Pregnancy,Infectious Pregnancy Complication,Pregnancy Complication, Infectious,Sepsis in Pregnancies,Sepsis, Maternal
D003521 Cyclopropanes Three-carbon cycloparaffin cyclopropane (the structural formula (CH2)3) and its derivatives.
D005240 Feasibility Studies Studies to determine the advantages or disadvantages, practicability, or capability of accomplishing a projected plan, study, or project. Feasibility Study,Studies, Feasibility,Study, Feasibility
D005260 Female Females

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