期刊
FRONTIERS IN IMMUNOLOGY
卷 9, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2018.00299
关键词
human immunodeficiency virus; functional cure; interferon-alpha; interferon-alpha subtypes; human immunodeficiency virus latency
类别
资金
- NIAID [AI125260]
- Uniformed Services University
Human immunodeficiency virus (HIV) establishes life-long latency in infected individuals. Although highly active antiretroviral therapy (HAART) has had a significant impact on the course of HIV infection leading to a better long-term outcome, the pool of latent reservoir remains substantial even under HAART. Numerous approaches have been under development with the goal of eradicating the latent HIV reservoir though with limited success. Approaches that combine immune-mediated control of HIV to activate both the innate and the adaptive immune system under suppressive therapy along with shock and kill drugs may lead to a better control of the reactivated virus. Interferon-alpha (IFN-alpha) is an innate cytokine that has been shown to activate intracellular defenses capable of restricting and controlling HIV. IFN-alpha, however, harbors numerous functional subtypes that have been reported to display different binding affinities and potency. Recent studies have suggested that certain subtypes such as IFN-alpha 8 and IFN-alpha 14 have potent anti-HIV activity with little or no immune activation, whereas other subtypes such as IFN-alpha 4, IFN-alpha 5, and IFN-alpha 14 activate NK cells. Could these subtypes be used in combination with other strategies to reduce the latent viral reservoir? Here, we review the role of IFN-alpha subtypes in HIV infection and discuss the possibility that certain subtypes could be potential adjuncts to a shock and kill or therapeutic vaccination strategy leading to better control of the latent reservoir and subsequent functional cure.
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