This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. Cytomegalovirus (CMV) protein pp65 modulates the host immune response yet simultaneously is the primary antiviral target of cellular immunity. pp65 is the most abundant component of the Rhesus CMV (RhCMV) and human CMV (HCMV) tegument, a protein-rich layer between the capsid and the envelope that is released into the cytoplasm. Interestingly, pp65 is not required for in vitro growth of either virus. This allowed us to generate a pp65-deficient RhCMV to examine whether 1) pp65's immunomodulatory functions are critical for virus survival in vivo;or 2) pp65 immunogenicity limits virus replication in healthy animals. Infection of rhesus macaques (RMs) with mutant RhCMV will allow examination of the importance of pp65 for CMV infection in vivo. We will infect CMV-na?ve macaques with pp65-deleted RhCMV and evaluate whether this virus is able to establish primary and chronic infection and, if so, how virological and immunological parameters compare to previous observations made during infection with wild type RhCMV. Depending on the outcome, we will evaluate whether pp65-deleted virus is able to re-infect these animals. If pp65-encoded functions are required for productive infection, we expect replication of the mutant to be either undetectable or diminished. Conversely, if pp65 immunogenicity is crucial to the ability of the host immune response to control virus infection we predict that replication of the pp65-deleted virus will be greater than that for wild type. The outcome has implications both for the design of CMV vaccines and antivirals as well as the development of CMV as a vaccine vector.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
Primate Research Center Grants (P51)
Project #
2P51RR000163-50
Application #
7958465
Study Section
Special Emphasis Panel (ZRR1-CM-8 (01))
Project Start
2009-08-04
Project End
2010-04-30
Budget Start
2009-08-04
Budget End
2010-04-30
Support Year
50
Fiscal Year
2009
Total Cost
$34,471
Indirect Cost
Name
Oregon Health and Science University
Department
Type
Schools of Medicine
DUNS #
096997515
City
Portland
State
OR
Country
United States
Zip Code
97239
Blue, Steven W; Winchell, Andrea J; Kaucher, Amy V et al. (2018) Simultaneous quantitation of multiple contraceptive hormones in human serum by LC-MS/MS. Contraception 97:363-369
Jeon, Sookyoung; Li, Qiyao; Rubakhin, Stanislav S et al. (2018) 13C-lutein is differentially distributed in tissues of an adult female rhesus macaque following a single oral administration: a pilot study. Nutr Res :
Slayden, Ov Daniel; Friason, Francis Kathryn E; Bond, Kise Rosen et al. (2018) Hormonal regulation of oviductal glycoprotein 1 (OVGP1; MUC9) in the rhesus macaque cervix. J Med Primatol 47:362-370
Okoye, Afam A; Hansen, Scott G; Vaidya, Mukta et al. (2018) Early antiretroviral therapy limits SIV reservoir establishment to delay or prevent post-treatment viral rebound. Nat Med 24:1430-1440
Jensen, Jeffrey T; Hanna, Carol; Mishler, Emily et al. (2018) Effect of menstrual cycle phase and hormonal treatments on evaluation of tubal patency in baboons. J Med Primatol 47:40-45
Toro, C A; Aylwin, C F; Lomniczi, A (2018) Hypothalamic epigenetics driving female puberty. J Neuroendocrinol 30:e12589
Bulgarelli, Daiane L; Ting, Alison Y; Gordon, Brenda J et al. (2018) Development of macaque secondary follicles exposed to neutral red prior to 3-dimensional culture. J Assist Reprod Genet 35:71-79
Prola-Netto, Joao; Woods, Mark; Roberts, Victoria H J et al. (2018) Gadolinium Chelate Safety in Pregnancy: Barely Detectable Gadolinium Levels in the Juvenile Nonhuman Primate after in Utero Exposure. Radiology 286:122-128
Moccetti, Federico; Brown, Eran; Xie, Aris et al. (2018) Myocardial Infarction Produces Sustained Proinflammatory Endothelial Activation in Remote Arteries. J Am Coll Cardiol 72:1015-1026
Dissen, G A; Adachi, K; Lomniczi, A et al. (2017) Engineering a gene silencing viral construct that targets the cat hypothalamus to induce permanent sterility: An update. Reprod Domest Anim 52 Suppl 2:354-358

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