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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Mussa, Ali Talib, Mustafa Mohamed, Zeehaida Hajissa, Khalid |
| Abstract | Objective Rapid diagnostic tests (RDTs) play a crucial role in the management and control of malaria infection. The histidine-rich protein 2 (PfHRP-2) based RDTs are the most commonly used RDTs for malaria diagnosis in Sudan. Deletion of pfhrp2 in Plasmodium falciparum genome affect the accuracy of PfHRP-2 based RDT kits. This study aimed to identify molecular variation of pfhrp2 among suspected malaria patients from different clinics in Omdurman, Sudan. Results A noticeable variation between the RDT (Alltest Biotech, China) and nPCR results was observed, for RDT 78% (46/59) were P. falciparum positive, 6.8% (4/59) were co-infected with both P. falciparum and Plasmodium vivax, 15.3% (9/59) were negative by the RDT. However, when the nPCR was applied only 44.1% (26/59) and 55.9% (33/59) was P. falciparum positive and negative respectively. The pfhrp2 was further amplified form all nPCR positive samples. Only 17 DNA samples were positive from the 26 positive P. falciparum, interestingly, variation in band sizes was observed and further confirmed by DNA sequencing, and sequencing analysis revealed a high-level of genetic diversity of the pfhrp2 gene in the parasite population from the study area. However, despite extreme sequence variation, diversity of PfHRP2 does not appear to affect RDT performance. |
| Related Links | https://bmcresnotes.biomedcentral.com/counter/pdf/10.1186/s13104-019-4361-6.pdf |
| Ending Page | 5 |
| Page Count | 5 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 17560500 |
| DOI | 10.1186/s13104-019-4361-6 |
| Journal | BMC Research Notes |
| Issue Number | 1 |
| Volume Number | 12 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2019-06-11 |
| Access Restriction | Open |
| Subject Keyword | Biomedicine Medicine Public Health Life Sciences Plasmodium falciparum RDTs Histidine-rich protein Polymorphism Omdurman Sudan Medicine/Public Health |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biochemistry, Genetics and Molecular Biology Medicine |
| Journal Impact Factor | 1.6/2023 |
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