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High-probability grants
According to our matching algorithm, Michael Eskander is the likely recipient of the following grants.
| Years |
Recipients |
Code |
Title / Keywords |
Matching
score |
| 2013 — 2014 |
Eskander, Michael Andrew |
F31Activity Code Description:
To provide predoctoral individuals with supervised research training in specified health and health-related areas leading toward the research degree (e.g., Ph.D.). |
The Role of Oxidized Linoleic Acid Metabolites in Ngf Induced Persistent Pain @ University of Texas Hlth Science Center
DESCRIPTION (provided by applicant): The management of chronic pain is a major health care problem due, in part, to an incomplete understanding of persistent pain mechanisms. Available chronic pain treatments are often limited by poor efficacy, side effects, or risks of dependency, therefore fundamental research into molecular mechanisms of chronic pain are critical in order to develop more efficacious analgesics. Nerve growth factor (NGF) is a neurotrophin that is released under inflammatory conditions and modulates the transmission of nociceptive or pain signals. NGF has been demonstrated to acutely sensitize transient receptor potential vanilloid 1 (TRPV1), a ligand gated ion channel expressed on a major subpopulation of nociceptive afferent neurons. Endogenous NGF is elevated in several chronic pain conditions, and a single administration of NGF to healthy humans produced a prolonged pain state that persisted up to 4-7 weeks. Although the link between NGF and pain is well recognized, there is a gap in understanding of the mechanisms mediating persistent pain. The majority of preclinical NGF studies focus on the acute effects (seconds to hours) of NGF, while the mechanisms underlying persistent NGF effects remain unknown. Towards this objective, we have developed a rodent model of NGF-induced persistent thermal allodynia (a reduced nociceptive threshold) and demonstrated that antagonism of TRPV1 was able to immediately reverse allodynia at a time point long after the NGF was physically eliminated from the animals. More recent preliminary studies suggest that persistent activation of TRPV1 by endogenous oxidized lipid agonists, including oxidized linoleic acid metabolites (OLAMs), may be a peripheral mechanism contributing towards a persistent, long-term nociceptive state after NGF administration. Therefore, this proposal will test the central hypothesis that NGF causes persistent thermal allodynia via increased activities of TRPV1 channels and increased production of endogenous oxidized lipid TRPV1 agonists, including OLAMs. The following aims will test this hypothesis: Specific Aim #1: Determine NGF-induced changes in TRPV1 activity in rats during persistent NGF- induced thermal allodynia. Specific Aim #2: Define the effect of NGF on levels of oxidized lipids, including OLAMs, and their activation of TRPV1 in rats during persistent NGF-induced thermal allodynia. The proposed studies test an innovative and significant hypothesis and provide a multidisciplinary approach to develop my career as an independent investigator in pain pharmacology.
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0.947 |