This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. Primary support for the subproject and the subproject's principal investigator may have been provided by other sources, including other NIH sources. The Total Cost listed for the subproject likely represents the estimated amount of Center infrastructure utilized by the subproject, not direct funding provided by the NCRR grant to the subproject or subproject staff. Strategies for inducing life-long, protective immunity against HIV infection remain elusive. Herpesviruses establish persistent, life-long infection in humans and are divided into three different classes based on their genetics and biology. Epstein-Barr virus (EBV) is a gamma-1 herpesvirus that persists for life in an antigen presenting cell, ie B cell, and stimulates potent life-long anti-viral cellular and humoral immune responses. EBV-immortalized lymphoblastoid cell lines are commonly used in vitro for their immunostimulatory ability, EBV latent infection proteins can upregulate many cell genes associated with antigen presentation, and EBV carries fewer immune evasion genes compared to other herpesviruses. Thus, EBV biology is significantly different from other human herpesviruses, and EBV may provide unique advantages as a vaccine vector for inducing life-long immunity. All New and Old World non-human primates are naturally infected with herpesviruses closely related to EBV and in the same gamma-1, or lymphocryptovirus (LCV), genus. The LCV naturally infecting rhesus macaques (rhLCV) has been fully sequenced and has an identical repertoire of viral genes as EBV. We will use this EBV animal model to evaluate the ability of recombinant rhLCV expressing SIV or HIV antigens to induce humoral and cellular immune responses to the gamma-herpesvirus vaccines. These pilot studies will explore a novel approach for inducing life-long persistent vaccine responses and will also provide important new insights for EBV biology.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
Primate Research Center Grants (P51)
Project #
5P51RR000168-50
Application #
8357989
Study Section
Special Emphasis Panel (ZRR1-CM-8 (01))
Project Start
2011-05-01
Project End
2012-04-30
Budget Start
2011-05-01
Budget End
2012-04-30
Support Year
50
Fiscal Year
2011
Total Cost
$68,415
Indirect Cost
Name
Harvard University
Department
Veterinary Sciences
Type
Schools of Medicine
DUNS #
047006379
City
Boston
State
MA
Country
United States
Zip Code
02115
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