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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Evaluation of blood collection filter papers for HIV-1 DNA PCR
Journal of Clinical Virology, Volume 55, No. 2, Year 2012
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Description
Background: The collection of dried blood spots (DBS) on Whatman 903 cards has facilitated for years the detection of HIV-1 in infants by DNA PCR as early as 4-6 weeks after birth in resource-limited settings (RLS), but alternate blood collection devices are proving to be necessary. Objectives: The qualitative detection of HIV-1 DNA by PCR from DBS prepared on three commercially available blood collection cards was evaluated at the Centers for Disease Control and Prevention (CDC) and in four laboratories in Africa. Study design: DBS were prepared on Ahlstrom grade 226, Munktell TFN and Whatman 903, and stored under a variety of conditions. DBS were stored at ambient temperature (RT), 37 °C with high humidity, and -20 °C for varying lengths of time. The presence of HIV-1 DNA was tested using Roche Amplicor HIV-1 DNA (v 1.5) weekly for 4 weeks and at weeks 8 and 12 (RT and 37 °C), at weeks 4, 8, and 18 (-20 °C) of storage. DBS specimens were also tested after international shipment at RT. In addition, after nearly 3 years storage at -20 °C, DBS were also evaluated independently using the COBAS Ampliprep/TaqMan HIV-1 Qual and Abbott RealTime HIV-1 Qualitative tests. Results: HIV-1 DNA was detected equally well on the three blood collection cards regardless of storage conditions and PCR assay. Conclusions: Ahlstrom 226 and Munktell TFN papers were comparable to Whatman 903 for HIV-1 DNA detection and may be considered as optional blood collection devices in resource-limited countries. © 2012 .
Authors & Co-Authors
Masciotra, Silvina
United States, Atlanta
Centers for Disease Control and Prevention
Khamadi, Samoel Ashimosi
Kenya, Nairobi
Kenya Medical Research Institute
Bilé, Célestin E.
United States, Atlanta
Centers for Disease Control and Prevention
Puren, Adrian
South Africa, Johannesburg
National Institute for Communicable Disease
Fonjungo, Peter N.
United States, Atlanta
Centers for Disease Control and Prevention
Nguyen, Shon
United States, Atlanta
Centers for Disease Control and Prevention
Girma, Mulu
Ethiopia, Addis Ababa
Ethiopian Public Health Institute
Downing, Robert G.
United States, Atlanta
Centers for Disease Control and Prevention
Ramos, Artur C.
United States, Atlanta
Centers for Disease Control and Prevention
Subbarao, Shambavi
United States, Atlanta
Centers for Disease Control and Prevention
Ellenberger, Dennis L.
United States, Atlanta
Centers for Disease Control and Prevention
Statistics
Citations: 11
Authors: 11
Affiliations: 4
Identifiers
Doi:
10.1016/j.jcv.2012.06.010
ISSN:
13866532
e-ISSN:
18735967
Research Areas
Genetics And Genomics
Infectious Diseases
Study Approach
Qualitative