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High-probability grants
According to our matching algorithm, Daniel J. Lodge is the likely recipient of the following grants.
Years |
Recipients |
Code |
Title / Keywords |
Matching score |
2010 — 2019 |
Lodge, Daniel J. |
R01Activity Code Description: To support a discrete, specified, circumscribed project to be performed by the named investigator(s) in an area representing his or her specific interest and competencies. |
Regulation of Ventral Hippocampal System Function @ University of Texas Hlth Science Center
DESCRIPTION (provided by applicant): Schizophrenia is a devastating psychiatric condition that affects approximately 0.4-1% of the US population. Substantial convergent evidence from drug studies, therapeutic treatments, and human imaging studies demonstrate that psychosis in schizophrenia is associated with a dysregulation of subcortical dopamine system function. This dopamine hypothesis of schizophrenia has one major caveat in that there appears to be no specific pathology in the midbrain dopamine system itself. Thus it is likely that it is the afferent regulation of the dopamine system that is dysfunctional in schizophrenia. Two such inputs are the medial prefrontal cortex (thought to be largely associated with cognitive deficits) and the hippocampus, a temporal lobe structure principally associated with learning and memory. Alterations in hippocampal structure and function in schizophrenia are consistently demonstrated in postmortem and neuro-imaging studies. Furthermore, there is increasing evidence for baseline hippocampal hyperactivity in human schizophrenia patients that is correlated with levels of psychosis. Consistent with this, we have recently reported baseline hyperactivity in the ventral hippocampus in a developmental disruption rodent model, namely MAM G17, that appears to be the driving force behind the dopamine hyperfunction in this model. Thus, attenuation of ventral hippocampal output may act to normalize dopamine transmission and may provide a novel therapeutic target. We plan to examine this model utilizing distinct approaches aimed specifically at modulating ventral hippocampal activity along the following Specific Aims: 1) Examine potential novel methods for regulating vHipp function in MAM and saline rats, 2) Determine how these methods for attenuating vHipp activity alter dopamine system function in MAM and saline rats, and 3) Determine whether attenuating vHipp system function can reverse behavioral deficits associated with schizophrenia in the MAM model. Examining the functional interactions among these systems and how disruption within this circuit affects information processing, neurochemistry and behavior is central to our ultimate goal of identifying new and improved therapeutic agents.
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0.99 |