期刊
JOURNAL OF NEUROVIROLOGY
卷 25, 期 5, 页码 648-660出版社
SPRINGER
DOI: 10.1007/s13365-019-00736-z
关键词
Alzheimer's disease; AIDS; Dementia; Neurodegeneration; HIV-Tat; Protein misfolding; Aggregation; Brain
资金
- NATIONAL INSTITUTE OF NEUROLOGICAL DISORDERS AND STROKE [ZIANS003130] Funding Source: NIH RePORTER
- NATIONAL INSTITUTE ON AGING [ZIAAG000936] Funding Source: NIH RePORTER
In patients infected with the human immunodeficiency virus (HIV), the HIV-Tat protein may be continually produced despite adequate antiretroviral therapy. As the HIV-infected population is aging, it is becoming increasingly important to understand how HIV-Tat may interact with proteins such as amyloid beta and Tau which accumulate in the aging brain and eventually result in Alzheimer's disease. In this review, we examine the in vivo data from HIV-infected patients and animal models and the in vitro experiments that show how protein complexes between HIV-Tat and amyloid beta occur through novel protein-protein interactions and how HIV-Tat may influence the pathways for amyloid beta production, degradation, phagocytosis, and transport. HIV-Tat may also induce Tau phosphorylation through a cascade of cellular processes that lead to the formation of neurofibrillary tangles, another hallmark of Alzheimer's disease. We also identify gaps in knowledge and future directions for research. Available evidence suggests that HIV-Tat may accelerate Alzheimer-like pathology in patients with HIV infection which cannot be impacted by current antiretroviral therapy.
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