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Understanding the P\progression of HIV-Associated Neurocognitive Disorder (HAND) through cardiovascular disease and markers of inflammation

Miladinova, Vessela (2018) Understanding the P\progression of HIV-Associated Neurocognitive Disorder (HAND) through cardiovascular disease and markers of inflammation. Master Essay, University of Pittsburgh.

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Abstract

Despite recent advancements in healthcare that allow people living with HIV (PLWH) and healthy people living with comorbid conditions, such as obesity, diabetes, and heart disease, to live longer, new consequences arise, as people now live for longer durations of time with these diseases and comorbid conditions. Research has suggested that presence of diseases such as obesity, diabetes, and heart disease in mid-life could be predictive of cognitive decline development later on in life through several interconnected pathogenic mechanisms, each which could potentially be exacerbated by HIV infection.
For instance, systemic inflammation caused by obesity, cardiovascular disease development, metabolic dysregulation, and HIV infection could eventually lead to neuroinflammation, development of pathogenic vascular plasticities which result from a heightened inflammatory state, and secretion of pro-inflammatory cytokines, all which ultimately culminate in cognitive decline. Eventually, this leads to a synergistic effect in PLWH, as additional cardiac complications occur in this cohort of people due to previously harsh antiretroviral therapy management, development of myocarditis, endothelial damage, and eventual heart failure. Overall, each of these processes contribute to pathogenic pathways which lead to cognitive decline, and potential development of HIV-associated neurocognitive disorder (HAND) in PLWH.
This essay aims to describe, in detail, the interplay of the aforementioned mechanisms, and to also examine if single-nucleotide polymorphisms of the cyclic AMP (cAMP) element-binding protein CREB1, which has been implicated in higher rates of cognitive decline in healthy adults, exist at significant levels in PLWH. Results show no significant interaction between alleles of CREB1 and decline status in this cohort of subjects, however it is important to continue research in this area, due to its public health implications.
This area of research is of high public health significance, because individuals living with these conditions may eventually suffer from a lower quality of life as a result of comorbid conditions. Additionally, it addresses current gaps in research by attempting to describe a causal pathway of how cognitive decline progresses in HIV-infected vs. healthy individuals, what factors (i.e. environmental, genetic) could contribute to this progression, and if/how they can be managed to ensure better quality of life.


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Details

Item Type: Other Thesis, Dissertation, or Long Paper (Master Essay)
Status: Unpublished
Creators/Authors:
CreatorsEmailPitt UsernameORCID
Miladinova, Vesselavmm18@pitt.eduvmm18
Contributors:
ContributionContributors NameEmailPitt UsernameORCID
Committee ChairMartinson, Jeremyjmartins@pitt.eduUNSPECIFIEDUNSPECIFIED
Committee MemberBecker, Jamesbeckerjt@pitt.eduUNSPECIFIEDUNSPECIFIED
Date: 24 August 2018
Date Type: Submission
Number of Pages: 50
Institution: University of Pittsburgh
Schools and Programs: Graduate School of Public Health > Infectious Diseases and Microbiology
Degree: MPH - Master of Public Health
Thesis Type: Master Essay
Refereed: Yes
Date Deposited: 20 Sep 2018 19:51
Last Modified: 20 Sep 2018 19:51
URI: http://d-scholarship.pitt.edu/id/eprint/35263

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