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. Efficient preservation of genetic resources of the rhesus monkey (Macaca mulatta) is critical to the mission of the National Center for Research Resources. This application is aimed at the development of efficient macaque sperm cryopreservation and will aid in successful propagation of germplasm through artificial insemination and in vitro fertilization programs. Non-human primates (NHPs), especially genetically unique macaques, are important models of human disease with applications to infertility and contraception, infectious diseases and vaccine development, drug and alcohol addiction, neurological disorders, and regenerative medicine. Similar to human sperm, cryopreserved sperm from NHP's show variable cryoprotection success depending on the individual sperm donor. Semen donors are often selected based on successful cryopreservation results, however, many individual males, including rhesus males in research programs, have semen quality that fails to survive cryopreservation. This is likely to be particularly true concerning NHPs generated from embryonic stem cells, somatic cell nuclear transfer, and transgenics where propagation of a specific individual's genotype is desired. This grant analyzes some of the mechanisms that may cause poor cryoperformance and focuses on methods to uniformly cryopreserve these bimodal populations. Our central hypothesis is that an understanding of cryopreservation-associated physiological responses in sperm will lead to improvements in sperm cryosurvival. Our long-term goal is to develop an understanding of crucial mechanisms involved in cryopreservation of sperm in order to optimally preserve sperm from a variety of genotypically unique and valuable NHP males.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
Primate Research Center Grants (P51)
Project #
5P51RR000169-50
Application #
8357252
Study Section
Special Emphasis Panel (ZRR1-CM-5 (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
$50,419
Indirect Cost
Name
University of California Davis
Department
Veterinary Sciences
Type
Schools of Veterinary Medicine
DUNS #
047120084
City
Davis
State
CA
Country
United States
Zip Code
95618
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