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High-probability grants
According to our matching algorithm, John Nyby is the likely recipient of the following grants.
Years |
Recipients |
Code |
Title / Keywords |
Matching score |
1981 — 1984 |
Nyby, John |
N/AActivity Code Description: No activity code was retrieved: click on the grant title for more information |
Chemical Communication |
1 |
1987 |
Nyby, John G |
R15Activity Code Description: Supports small-scale research projects at educational institutions that provide baccalaureate or advanced degrees for a significant number of the Nation’s research scientists but that have not been major recipients of NIH support. The goals of the program are to (1) support meritorious research, (2) expose students to research, and (3) strengthen the research environment of the institution. Awards provide limited Direct Costs, plus applicable F&A costs, for periods not to exceed 36 months. This activity code uses multi-year funding authority; however, OER approval is NOT needed prior to an IC using this activity code. |
Sexual Preference in Mice
The performance of sexual behavior in mammals seems to be regulated by two independent motivational substrates, arousability and orientation. Arousability determines the threshold for sex behavior, while orientation influences the choice of the sex partner's gender. While a great deal is known about the mechanisms that regulate arousability, much less is known about the mechanisms that contribute to orientation. A major reason for our ignorance of the causes of sexual orientation is that most animal models that have been described for this phenomenon have been rejected as unsatisfactory. The proposed research represents an attempt to explore some biological factors which may affect a newly described, more satisfactory animal model. The animal model for sexual orientation which will be explored involves the attraction that male and female mice (Mus musculus) exhibit for conspecific urinary odors. The proposed research will examine whether the sexual dimorphism in mouse urinary preferences is organized by the neonatal effects of gonadal hormones. A variety of different strategies will be employed, including neonatal and adult gonadectomy, infant and adult hormone replacement, neonatal blockage of androgen and estrogen receptors, and neonatal blockage of the conversion of testosterone to either estrogens or 5-alpha reduced androgens. In addition, an attempt will be made to map the neonatal sensitive period for hormonal action. This research has a high probability of providing important information about the physiological substrates of mouse sexual orientation.
|
0.958 |
2003 |
Nyby, John G |
R15Activity Code Description: Supports small-scale research projects at educational institutions that provide baccalaureate or advanced degrees for a significant number of the Nation’s research scientists but that have not been major recipients of NIH support. The goals of the program are to (1) support meritorious research, (2) expose students to research, and (3) strengthen the research environment of the institution. Awards provide limited Direct Costs, plus applicable F&A costs, for periods not to exceed 36 months. This activity code uses multi-year funding authority; however, OER approval is NOT needed prior to an IC using this activity code. |
Reflexive Testosterone Release in Males
[unreadable] DESCRIPTION (provided by applicant): Many mammals, including humans, exhibit reflexive testosterone release during sexual encounters. However, the function of this release is unclear. This proposal is based upon the hypothesis that reflexive testosterone release has immediate effects upon the male's physiology and behavior to better prepare him to cope with the reproductive situation in which he finds himself. Scattered supportive evidence in the scientific literature indicates that testosterone treatment in rodents has quick effects in promoting male sexual reflexes and is experienced by male rodents as being rewarding, anxiolytic, and analgesic, all of which could potentially facilitate the expression of reproductive behavior. The proposed studies will test that hypothesis more explicitly by examining whether several different endpoints (reward and anxiety) in normal male mice are affected by the quick actions of testosterone when it is administered in such a way as to mimic naturally occurring testosterone release. Several questions will be addressed including 1) How does one best mimic the pulsatile testosterone release of gonadally intact males? 2) Is the reflexive release of testosterone experienced as rewarding in mice? 3) What level of sexual arousal is necessary before a male muse shows reflexive testosterone release? 4) Does the reflexive release of testosterone exert different effects upon physiology and behavior than spontaneous testosterone release in mice? The proposed research is basic research designed to better understand the role that reflexive testosterone release plays in normal male-typical behaviors. However, since reflexive testosterone release is evolutionarily conserved, we believe our results also will have relevance for understanding the same processes in other mammalian species including humans. Moreover, we believe that our results may also be directly relevant for understanding the seemingly addictive (i.e., rewarding) properties of anabolic steroid use in humans as well. [unreadable] [unreadable]
|
0.958 |