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Critical Reviews™ in Eukaryotic Gene Expression
IF: 2.156 5-Year IF: 2.255 SJR: 0.649 SNIP: 0.599 CiteScore™: 3

ISSN Print: 1045-4403
ISSN Online: 2162-6502

Critical Reviews™ in Eukaryotic Gene Expression

DOI: 10.1615/CritRevEukaryotGeneExpr.2017019937
pages 331-340

Genetically Modified Aedes aegypti to Control Dengue: A Review

Muhammad Qsim
Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad-38000, Pakistan
Usman Ali Ashfaq
Department of Bioinformatics & Biotechnology, Government College University, 38000 Faisalabad, Pakistan
Muhammad Zubair Yousaf
Centres of Excellence in Science & Applied Technologies, Islamabad, Pakistan; Department of Biological Sciences, Forman Christian College (A Chartered University), Ferozpur Road, 54600, Lahore, Pakistan
Muhammad Masoud
Government College University, Faisalabad.
Ijaz Rasul
Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad-38000, Pakistan
Namrah Noor
Department of Bioinformatics and Biotechnology, Government College University Faisalabad, Faisalabad-38000, Pakistan
Azfar Hussain
Buffalo Research Institute Pattoki, Pakistan

ABSTRACT

Dengue is an acute infectious disease of viral etiology characterized by lymphadenopathy, leucopenia, headache, biphasic fever, pain in various parts of the body, rashes, and extreme physical weakness. It is a vector-borne disease caused by a positive-stranded RNA virus of the family Flaviviridae, genus Flavivirus. Dengue inflicts a significant health, economic, and social burden on populations of endemic areas. Dengue virus is transmitted to humans by the mosquito vector Aedes aegypti. Vaccines against dengue viruses have been claimed to be developed, but as yet no effective treatment is available. Alternative therapeutic strategies to overcome this disease and its spread are direly needed. A traditional sterile insect technique (SIT) harms the health of male insects, leading to their reduced ability to compete for wild-type female insects for breeding. Oxitec (Abingdon, UK) has developed genetically modified (GM) strains of A. aegypti via the release of insects carrying a dominant lethal (RIDL) strategy. RIDL male mosquitoes offer a resolution to many of the limitations of traditional SIT, which has resulted in reduced application of SIT in mosquitoes. The technique using RIDL mosquitoes is considered to be ecologically friendly and specific. Homing endonuclease genes, also called selfish genes, can also be used in genetic modification methods in such a way that the vector population and its competency can be reduced. GM mosquitoes carrying a gene that transcribes RNA interference can also be crucial to control expression of RNA viruses. The RNA virus interference pathway is one of the most critical components of the innate immune system of insects that can frustrate a variety of RNA viruses such as Flaviviruses. Here, we summarize and focus on alternative techniques used to control dengue spread.


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