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High-probability grants
According to our matching algorithm, Shanker Karunanithi is the likely recipient of the following grants.
| Years |
Recipients |
Code |
Title / Keywords |
Matching
score |
| 2007 |
Karunanithi, Shanker |
R03Activity Code Description:
To provide research support specifically limited in time and amount for studies in categorical program areas. Small grants provide flexibility for initiating studies which are generally for preliminary short-term projects and are non-renewable. |
Thermoprotected Mechanisms Regulating Neurotransmitter Release Following Heat Pre
[unreadable] DESCRIPTION (provided by applicant): Synapses are critical sites of information transfer within the nervous system. Therefore, if synapses incur stress-induced damage, behaviors required for daily living would be severely compromised. Homeostatic mechanisms can be recruited to maintain synaptic function under adverse conditions through prior exposure to mild stress. However, the underlying mechanisms are poorly understood. We previously showed that malfunction of Drosophila glutamatergic synapses at high temperatures can be attenuated by heat pretreatment (brief exposure to sublethal temperatures). Major heat shock proteins (HSPs) upregulated by heat pretreatment are found to be partly responsible for conferring synaptic thermoprotection. In spite of this knowledge, the key synaptic mechanisms and/or proteins thermoprotected by heat shock proteins are unknown. The specific aim of this proposal is: to elucidate which mechanisms of evoked transmitter release are thermoprotected at elevated temperatures by heat pretreatment. Future investigations stemming from these pilot experiments will allow us to identify key synaptic proteins associated with the thermoprotected mechanisms chaperoned by HSPs. This in turn will allow us to determine how HSPs interact with synaptic proteins to maintain synaptic homeostasis under stress. We seek to identify mechanisms regulating neurotransmitter release that are protected from failing at high temperatures by heat pretreatment. The general findings of our investigations will ultimately lead to the development of therapies to prevent stress-induced synaptic damage. [unreadable] [unreadable]
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