Title |
Increased pfmdr1 gene copy number and the decline in pfcrt and pfmdr1 resistance alleles in Ghanaian Plasmodium falciparum isolates after the change of anti-malarial drug treatment policy
|
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Published in |
Malaria Journal, October 2013
|
DOI | 10.1186/1475-2875-12-377 |
Pubmed ID | |
Authors |
Nancy O Duah, Sena A Matrevi, Dziedzom K de Souza, Daniel D Binnah, Mary M Tamakloe, Vera S Opoku, Christiana O Onwona, Charles A Narh, Neils B Quashie, Benjamin Abuaku, Christopher Duplessis, Karl C Kronmann, Kwadwo A Koram |
Abstract |
With the introduction of artemisinin-based combination therapy (ACT) in 2005, monitoring of anti-malarial drug efficacy, which includes the use of molecular tools to detect known genetic markers of parasite resistance, is important for first-hand information on the changes in parasite susceptibility to drugs in Ghana. This study investigated the Plasmodium falciparum multidrug resistance gene (pfmdr1) copy number, mutations and the chloroquine resistance transporter gene (pfcrt) mutations in Ghanaian isolates collected in seven years to detect the trends in prevalence of mutations. |
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Geographical breakdown
Country | Count | As % |
---|---|---|
United Kingdom | 2 | 1% |
Vietnam | 1 | <1% |
Burkina Faso | 1 | <1% |
Ghana | 1 | <1% |
United States | 1 | <1% |
Unknown | 135 | 96% |
Demographic breakdown
Readers by professional status | Count | As % |
---|---|---|
Student > Master | 26 | 18% |
Researcher | 21 | 15% |
Student > Ph. D. Student | 20 | 14% |
Student > Bachelor | 19 | 13% |
Lecturer | 6 | 4% |
Other | 25 | 18% |
Unknown | 24 | 17% |
Readers by discipline | Count | As % |
---|---|---|
Agricultural and Biological Sciences | 31 | 22% |
Biochemistry, Genetics and Molecular Biology | 27 | 19% |
Medicine and Dentistry | 15 | 11% |
Immunology and Microbiology | 10 | 7% |
Social Sciences | 6 | 4% |
Other | 24 | 17% |
Unknown | 28 | 20% |