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Research Summary
My laboratory’s research focuses on the discovery of novel diagnostics and therapeutics of epilepsy, one of the most common chronic neurological disorders in humans. Using state-of-the art techniques in chemical profiling by mass spectrometry, we are exploring alterations in the metabolome (entire profile of small molecule metabolites) in brain microdialysis fluids, blood, sweat and saliva samples from patients with drug-resistant epilepsy. Changes in specific metabolites detected during the initial profiling will be further validated as potential diagnostic markers and therapeutic targets for this disease. We are also investigating the role of glutamate, glutamine synthetase and astrocytes in the causation of epilepsy. Patients with drug-resistant mesial temporal lobe epilepsy have remarkably high levels of the excitatory and toxic amino acid glutamate in their brain. Recent studies by us have indicated that the glutamate overflow in mesial temporal lobe epilepsy may be due to a loss of the enzyme glutamine synthetase in astrocytes of the epileptic brain (Eid et al., Lancet 2004; 363: 28-37). An important goal of our research is to define the relationships among the loss of glutamine synthetase, brain glutamate concentrations, epileptic seizures and epilepsy-related brain damage. The laboratory is also involved in two additional research projects aimed at (1) discovering novel biomarkers of type 2 diabetes in Caribbean people and (2) studying the effects of exposure to electronic cigarette vapors in youths and adults.
Specialized Terms: Epilepsy; Neuropathology; Electron microscopy; Immunohistochemistry; Mass spectrometry; Clinical chemistry and toxicology; Therapeutic drug monitoring
Research Interests
Epilepsy; Immunohistochemistry; Neurosurgery; Mass Spectrometry; Medical Laboratory Science; Toxicology; Clinical Chemistry Tests
Public Health Interests
Chronic Diseases; Substance Use, Addiction
My laboratory’s research focuses on the discovery of novel diagnostics and therapeutics of epilepsy, one of the most common chronic neurological disorders in humans. Using state-of-the art techniques in chemical profiling by mass spectrometry, we are exploring alterations in the metabolome (entire profile of small molecule metabolites) in brain microdialysis fluids, blood, sweat and saliva samples from patients with drug-resistant epilepsy. Changes in specific metabolites detected during the initial profiling will be further validated as potential diagnostic markers and therapeutic targets for this disease. We are also investigating the role of glutamate, glutamine synthetase and astrocytes in the causation of epilepsy. Patients with drug-resistant mesial temporal lobe epilepsy have remarkably high levels of the excitatory and toxic amino acid glutamate in their brain. Recent studies by us have indicated that the glutamate overflow in mesial temporal lobe epilepsy may be due to a loss of the enzyme glutamine synthetase in astrocytes of the epileptic brain (Eid et al., Lancet 2004; 363: 28-37). An important goal of our research is to define the relationships among the loss of glutamine synthetase, brain glutamate concentrations, epileptic seizures and epilepsy-related brain damage. The laboratory is also involved in two additional research projects aimed at (1) discovering novel biomarkers of type 2 diabetes in Caribbean people and (2) studying the effects of exposure to electronic cigarette vapors in youths and adults.
Specialized Terms: Epilepsy; Neuropathology; Electron microscopy; Immunohistochemistry; Mass spectrometry; Clinical chemistry and toxicology; Therapeutic drug monitoring
Research Interests
Epilepsy; Immunohistochemistry; Neurosurgery; Mass Spectrometry; Medical Laboratory Science; Toxicology; Clinical Chemistry Tests
Public Health Interests
Chronic Diseases; Substance Use, Addiction
研究兴趣
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EPILEPSY CURRENTSno. 3 (2023): 191-192
Ahmad El-Hellani, Elyana Hanna, Mehak Sharma,Reagan Blohowiak, Phillip Joseph,Tore Eid,Haleh Nadim,Rachel El-Hage,Rola Salman,Nareg Karaoghlanian,Ayomipo Adeniji,Sally Salam,
PLoS ONEno. 9 (2023): e0291786-e0291786
EPILEPSY CURRENTSno. 2 (2022): 123-129
Epilepsia Open (2022)
Epilepsia Open (2022)
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