Yonsei University · Medicine
Professor Eosu Kim's research lab focuses on neurometabolic and neuroimaging mechanisms underlying psychiatric and neurodegenerative disorders, with a particular emphasis on identifying novel therapeutic targets and biomarkers. The lab investigates the role of metabolic regulators such as AMPK/PGC-1α in brain energy metabolism and neuroprotection, especially in Alzheimer’s disease and schizophrenia. Using advanced neuroimaging techniques like resting-state fMRI and virtual reality-based social interaction paradigms, the lab explores neural circuitry and behavioral phenotypes in conditions such as Wernicke’s encephalopathy, bipolar disorder, and schizophrenia. A key translational goal is to discover peripheral metabolic biomarkers through metabolomics for early diagnosis and treatment monitoring.
Figures are computed from collected data and may differ slightly.
Weight gain and other metabolic disturbances have now become discouraging, major side effects of atypical antipsychotic drugs (AAPDs). The novel strategies required to counteract these serious consequences, however, should avoid modulating the activities of the neurotransmitter receptors involved because those receptors are the therapeutic targets of AAPDs. Adenosine monophosphate-activated protein kinase is an enzyme that plays a pivotal role in energy homeostasis. We hypothesized that alpha-li
There is still debate over the neural mechanisms underlying pathogenic and even recovery processes of Wernicke's encephalopathy. Therefore, we attempted to validate the usefulness of resting-state functional connectivity analysis in assessing memory function and its neural correlation with the mammillothalamic tract in patients recovering from Wernicke's encephalopathy. Seven chronic alcoholics recovering from Wernicke's encephalopathy, 14 alcoholic comparisons without Wernicke's encephalopathy,
Impaired social functioning has been reported in patients with schizophrenia. This study aimed to examine characteristics of interpersonal behaviors in patients with schizophrenia during various social interactions using the virtual reality system. Twenty-six patients and 26 controls engaged in the virtual conversation tasks, including 3 positive and 3 negative emotion-laden conversations. Eye gaze and other behavioral parameters were recorded during the listening and answering phases. The amoun
Discovery of biomarkers in peripheral blood is a crucial step toward the early diagnosis and repetitive monitoring of treatment response for Alzheimer's disease (AD). Metabolomics is a promising technology that can identify unbiased biomarkers. To explore potential blood biomarkers for AD via metabolic profiling with high-resolution magic angle spinning nuclear magnetic resonance techniques, we identified changes in peripheral blood metabolomic profiles in response to amyloid-β (Aβ)-induced neur
Our findings indicate that AMPK/PGC-1α signaling is involved in beneficial actions of donepezil on neurometabolism. Pharmacological activation of AMPK might be a promising approach to counteract AD pathogenesis associated with brain hypometabolism.
It has been proposed that positive emotional biases could make bipolar manic (BM) patients maintain abnormally approaching behaviors during social interactions. To test this hypothesis, we measured interpersonal distance (IPD) and gaze angle of BM patients and normal controls (NCs) during social interaction in immersive virtual environment. Overall, IPDs of BM patients (n = 20) were greater than those of normal controls (n = 20). The IPD difference was even greater between NCs and BM patients wi
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