Role of Complement in Dengue Virus Infection: Protection or Pathogenesis?
ABSTRACT Dengue viruses (DENV) cause a spectrum of disease in humans, ranging from dengue fever (DF) to a severe, life-threatening syndrome called dengue hemorrhagic fever/dengue shock syndrome (DHF/DSS). Despite the global morbidity and mortality associated with DENV infection, mechanisms of immune...
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| Formato: | article |
| Lenguaje: | EN |
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American Society for Microbiology
2012
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| Acceso en línea: | https://doaj.org/article/87b1420d290f4ace8667627cc9159e73 |
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| Sumario: | ABSTRACT Dengue viruses (DENV) cause a spectrum of disease in humans, ranging from dengue fever (DF) to a severe, life-threatening syndrome called dengue hemorrhagic fever/dengue shock syndrome (DHF/DSS). Despite the global morbidity and mortality associated with DENV infection, mechanisms of immune control and viral pathogenesis are poorly understood. In a recent article, Avirutnan et al. [mBio 2(6):e00276-11, 2011] demonstrated that DENV can be directly neutralized via the mannose binding lectin (MBL) pathway of the complement system and that deficiency in MBL level or activity due to host polymorphisms in the MBL2 gene correlates with reduced levels of DENV neutralization. These findings implicate a role for the MBL pathway in controlling DENV infections and modulating DHF/DSS manifestations. |
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