Ph.D. Proposal Presentation by Jason Wang

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  • Date/Time:
    • Tuesday February 10, 2015 - Wednesday February 11, 2015
      12:00 pm - 1:59 pm
  • Location: IBB Building, Room 1128
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Summary Sentence: HIV-1 Protein Effects on Skeletal Development and Bone Tissue Regeneration

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Jason L. Wang

Ph.D. Proposal Presentation

Tuesday, February 10th, 2015, 1:00pm

IBB Building, Room 1128



Robert E. Guldberg, Ph.D. (Georgia Institute of Technology)



Rudolph L. Gleason, Ph.D. (Georgia Institute of Technology)

Manu O. Platt, Ph.D. (Georgia Institute of Technology)

Johnna S. Temenoff, Ph.D. (Georgia Institute of Technology)

M. Neale Weitzmann, Ph.D. (Emory University)


TITLE: HIV-1 Protein Effects on Skeletal Development and Bone Tissue Regeneration

ABSTRACT: HIV and AIDS have drastically compromised the quality of life and lifespan for millions of people worldwide. Since its inception in 1996, highly active antiretroviral therapy (HAART) has dramatically increased the life expectancy of those infected with HIV to nearly that of the general population. However, HIV-infected individuals on treatment are now faced with the premature onset of disorders traditionally associated with the natural aging process including cardiovascular disease, neurocognitive decline, and osteoporosis. It is well understood that HIV infection alone is a risk factor for osteopenia and osteoporosis and subsequently for fragility fractures. More recently, studies have established an increase in fracture prevalence in the HIV-infected population. However, the effects of HIV infection, HIV proteins, and antiretroviral drugs on bone are difficult to investigate in the clinical setting. Traditional risk factors for osteoporosis – such as vitamin D deficiency, drug use, smoking, and alcohol use – can complicate any observed effects that HIV or HAART drugs may have. Despite the increased risk for fracture and fracture prevalence in the HIV-infected population, few studies have investigated the potential for HIV infection to adversely affect fracture healing. Considering the critical role of immune cells in the fracture healing process, bone repair may be impaired or delayed with HIV infection.

The goal of this project is to determine the effects of HIV-1 proteins on skeletal development and bone tissue regeneration through the use of two HIV-1 transgenic animal models. This will be accomplished through three specific aims:

  1. I.                   Investigate the longitudinal skeletal changes in the growing HIV-1 transgenic rat.
    1. II.                Determine the bone regeneration capacity in the HIV-1 transgenic rat using a BMP-2-mediated segmental bone defect repair model.
    2. III.             Characterize the skeleton of the HIV-1 transgenic mouse and the effects of HAART drug treatment.

This project will contribute to the growing body of knowledge on the effects of HIV infection on skeletal health and present initial investigations into the effects of HIV on the bone repair process. In addition, it will characterize two HIV-1 transgenic animal models as functional surrogates for studying skeletal disorders in the context of HIV.

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  • Created By: Tatianna Richardson
  • Workflow Status: Published
  • Created On: Jan 28, 2015 - 6:51am
  • Last Updated: Oct 7, 2016 - 9:46pm