? Nonhuman primates are instrumental in research involving Category A-C pathogens. Cynomolgus macaques (M. fascicularis) are particularly desirable because they are comparatively inexpensive and widely available. However, little is known about the immunogenetics of Cynomolgus macaques, complicating the evaluation of pathogen-specific cellular immune responses. ? In Specific Aim 1: We will identify at least 60 major histocompatibility complex (MHC) Class I and 50 MHC Class II molecules expressed by Cynomolgus macaques and develop methods for high-throughput genotyping for these alleles. MHC Class I and Class II alleles may vary among Cynomolgus macaques obtained from different countries, so we will examine the immunogenetics of animals from China, Mauritius, Vietnam, Indonesia, and the Philippines. More than 12,000 Cynomolgus macaques were imported from these countries in FY2003. ? In Specific Aim 2 we will develop preliminary peptide binding motifs for 10 common MHC Class I and 10 common MHC Class II alleles identified in Specific Aim 1. If Cynomolgus macaques from different regions have distinct MHC allele repertoires, we will focus on the definition of peptide binding motifs for alleles found in Chinese, Mauritian, and Vietnamese macaques. More than 75% of the Cynomolgus macaques imported into the United States in FY2003 were brought from one of these countries. ? The strengths of experienced molecular immunologists and protein biochemists are combined in this proposal enabling the high-throughput characterization of Cynomolgus macaque major histocompatibility complex (MHC) molecules and the pathogen-derived peptides that bind to them. These studies will facilitate the development of species-specific reagents (such as MHC: peptide tetramers) that expand the utility of Cynomolgus macaques on preclinical vaccine trials and studies of disease pathogenesis. ? ?

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
Resource-Related Research Projects (R24)
Project #
1R24RR021745-01A1
Application #
6919569
Study Section
National Center for Research Resources Initial Review Group (RIRG)
Program Officer
Harding, John D
Project Start
2005-09-26
Project End
2010-06-30
Budget Start
2005-09-26
Budget End
2006-06-30
Support Year
1
Fiscal Year
2005
Total Cost
$529,169
Indirect Cost
Name
University of Wisconsin Madison
Department
Veterinary Sciences
Type
Other Domestic Higher Education
DUNS #
161202122
City
Madison
State
WI
Country
United States
Zip Code
53715
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Budde, Melisa L; Wiseman, Roger W; Karl, Julie A et al. (2010) Characterization of Mauritian cynomolgus macaque major histocompatibility complex class I haplotypes by high-resolution pyrosequencing. Immunogenetics 62:773-80
Valentine, Laura E; Loffredo, John T; Bean, Alex T et al. (2009) Infection with ""escaped"" virus variants impairs control of simian immunodeficiency virus SIVmac239 replication in Mamu-B*08-positive macaques. J Virol 83:11514-27

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