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. Objective: To improve our understanding of serotonin-related neural mechanisms regulating female sexual response in marmosets in order to develop more appropriate clinical intervention for sexual hypofunction in women. Sexual dysfunction affects an estimated 43% of women. Currently there are no approved drug therapies for this disorder. Safety concerns about hormonal treatment with estrogens and progestogens motivates the search for non-steroidal pharmoacotherapy. The serotonin neuronal system has been implicated in regulating sexual behavior in a range of female mammals, including humans and nonhuman primates, but the mechanisms involved are not well understood. We have developed a model system with female common marmosets to demonstrate that a serotonin analogue, 8-hydroxyDPAT, diminishes female acceptance of male sexual advances, while another, flibanserin, does not. Flibanserin also enhances positive social interactions between male-female pairs, including grooming. Non-invasive PET brain imaging suggests specific changes in female neural activity associated with the different behavioral outcomes for each serotonin drug. The different serotonin receptor binding properties of each drug are starting to provide clues as to neural mechanisms of action and theraputic application. Publications are pending. This research used WNPRC Assay Services and Animal Services.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
Primate Research Center Grants (P51)
Project #
5P51RR000167-49
Application #
8173073
Study Section
Special Emphasis Panel (ZRR1-CM-8 (01))
Project Start
2010-05-01
Project End
2011-04-30
Budget Start
2010-05-01
Budget End
2011-04-30
Support Year
49
Fiscal Year
2010
Total Cost
$30,981
Indirect Cost
Name
University of Wisconsin Madison
Department
Type
Other Domestic Higher Education
DUNS #
161202122
City
Madison
State
WI
Country
United States
Zip Code
53715
Kang, HyunJun; Mesquitta, Walatta-Tseyon; Jung, Ho Sun et al. (2018) GATA2 Is Dispensable for Specification of Hemogenic Endothelium but Promotes Endothelial-to-Hematopoietic Transition. Stem Cell Reports 11:197-211
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