Hyunjin Kim

ORCID: 0000-0003-0264-4531
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About
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Research Areas
  • Peripheral Neuropathies and Disorders
  • Multiple Sclerosis Research Studies
  • Neuroscience and Neuropharmacology Research
  • Traditional Chinese Medicine Studies
  • Systemic Lupus Erythematosus Research
  • Cerebrovascular and genetic disorders
  • Nuclear Receptors and Signaling
  • Antifungal resistance and susceptibility
  • Neural dynamics and brain function
  • Shoulder Injury and Treatment
  • Food Quality and Safety Studies
  • Myasthenia Gravis and Thymoma
  • Herpesvirus Infections and Treatments
  • Musculoskeletal pain and rehabilitation
  • Autophagy in Disease and Therapy
  • Genetic Neurodegenerative Diseases
  • Rheumatoid Arthritis Research and Therapies
  • Neurological diseases and metabolism
  • Orthopedic Surgery and Rehabilitation
  • Botulinum Toxin and Related Neurological Disorders
  • Hereditary Neurological Disorders
  • Medical Research and Treatments
  • Orthopaedic implants and arthroplasty
  • Retinal Development and Disorders
  • melanin and skin pigmentation

Asan Medical Center
2016-2025

Ulsan College
2016-2025

University of Ulsan
2016-2025

Korea Institute of Brain Science
2024-2025

Korea Institute of Science and Technology
2024-2025

Korean Association Of Science and Technology Studies
2024-2025

Korea Advanced Institute of Science and Technology
1995-2025

Neurology, Inc
2025

John Wiley & Sons (United States)
2024

Hudson Institute
2024

<h3>Objective</h3> To test the hypothesis that pattern of serum biomarkers disease activity and disability in myelin oligodendrocyte glycoprotein antibody–associated (MOGAD) will be different from those neuromyelitis optica spectrum disorder (NMOSD) with anti–aquaporin-4 antibodies (AQP4-Abs). <h3>Methods</h3> Using ultrasensitive single-molecule array assays, we measured neurofilament light chain (NfL), glial fibrillary acidic protein (GFAP), tau sera consecutive patients MOGAD (n = 16)...

10.1212/nxi.0000000000000708 article EN cc-by-nc-nd Neurology Neuroimmunology & Neuroinflammation 2020-03-18

This study evaluated the diagnostic utility of an anti-signal-recognition particle 54 (anti-SRP54) antibody-based enzyme-linked immunosorbent assay (ELISA) as well clinical, serological, and pathological characteristics patients with SRP immune-mediated necrotizing myopathy (IMNM). We 87 idiopathic inflammatory 107 healthy participants between January 2002 December 2023. The sensitivity specificity ELISA for anti-SRP54 antibodies were assessed, clinical profiles determined. had a 88% 99%,...

10.3988/jcn.2024.0333 article EN cc-by-nc Journal of Clinical Neurology 2025-01-01

Background: Research on the optimal duration of immunosuppressive therapy (IST) and outcome upon its discontinuation in myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) remains limited. Objective: To evaluate outcomes following IST MOGAD. Methods: This multicenter retrospective study collected data from 333 MOGAD patients Korea. Among 273 who received IST, 41 discontinued were analyzed. Results: The median age at onset was 38.3 years (interquartile range (IQR),...

10.1177/13524585251320046 article EN Multiple Sclerosis Journal 2025-04-28

Objective To evaluate the seizure characteristics and outcome after immunotherapy in adult patients with autoimmune encephalitis (AE) new-onset seizure. Methods Adult (age ≥18 years) AE who underwent were followed-up for at least 6 months included. Seizure frequency was evaluated 2–4 weeks onset of initial categorized as “seizure remission”, “> 50% reduction”, or “no change” based on degree its decrease. Results Forty-one presented analysed. At immunotherapy, 51.2% free, 24.4% had...

10.1371/journal.pone.0146455 article EN cc-by PLoS ONE 2016-01-15

Intracerebral hemorrhage (ICH) and cerebral microbleeds (CMB) in autosomal dominant arteriopathy with subcortical infarcts leukoencephalopathy are more common East Asian populations than people of white European ancestry. We hypothesized that the ethnic difference is explained by Asian-specific NOTCH3 p.R75P mutation.

10.1002/ana.26916 article EN cc-by-nc-nd Annals of Neurology 2024-03-23

Background: Differentiating neuromyelitis optica spectrum disorder (NMOSD) from multiple sclerosis (MS) is crucial in the field of diagnostics because, despite their similarities, treatments for these two diseases are substantially different, and disease-modifying MS can worsen NMOSD. As brain magnetic resonance imaging (MRI) an important tool to distinguish diseases, extensive research has been conducted identify defining characteristics MRI images corresponding diseases. However,...

10.3389/fneur.2020.599042 article EN cc-by Frontiers in Neurology 2020-11-30

Abstract Neuropathic pain is a debilitating condition caused by the hyperexcitability of spinal dorsal horn neurons and often characterized allodynia. Although neuron-independent mechanisms have been investigated, contribution astrocyte-neuron interactions remains unclear. Here, we show evidence reactive astrocytes their excessive GABA release in horn, which paradoxically leads to tonic excitation neighboring neuropathic model. Using multiple electrophysiological methods, demonstrated that...

10.1038/s12276-024-01232-z article EN cc-by Experimental & Molecular Medicine 2024-05-17

Importance A proportion of people with myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) have a relapsing course and persistent anti–myelin immunoglobulin G (MOG-IgG) seropositivity. Few studies investigated whether treatment the first MOGAD attack is associated long-term and/or MOG-IgG seronegative conversion. Objective To investigate association time to treat acute relapse risk serostatus. Design, Setting, Participants This was retrospective, nationwide, multicenter...

10.1001/jamaneurol.2024.2811 article EN JAMA Neurology 2024-09-03

DJ-1 is one of the causative genes for early onset familiar Parkinson's disease (PD) and also considered to influence pathogenesis sporadic PD. has various physiological functions which converge on controlling intracellular reactive oxygen species (ROS) levels. In RNA-sequencing analyses searching novel anti-oxidant downstream DJ-1, a gene encoding NADP+-dependent isocitrate dehydrogenase (IDH), converts into α-ketoglutarate, was detected. Loss IDH induced hyper-sensitivity oxidative stress...

10.1371/journal.pgen.1006975 article EN cc-by PLoS Genetics 2017-08-21

Abstract Objectives Serum synaptic proteins levels may change with age‐related neurodegeneration, affecting their clinical implications as a disease biomarker. We aimed to investigate neuronal and astroglial markers in patients multiple sclerosis (MS) aquaporin‐4 antibody‐seropositive neuromyelitis optica spectrum disorders (NMOSD) compare the of these according age. Methods Using single‐molecule array assays, we measured neurofilament light (NfL) glial fibrillary acidic protein (GFAP) sera...

10.1002/acn3.51070 article EN cc-by Annals of Clinical and Translational Neurology 2020-06-01

Background: Recently, several serum biomarkers have been proposed in Neuromyelitis Optica Spectrum Disorders (NMOSD) to monitor disease activity. Objective: The objective of the study is evaluate longitudinal clinical value patients with NMOSD. Methods: We prospectively recruited consecutive NMOSD anti-aquaporin-4 antibody and obtained samples at enrollment, after 6–12 months follow-up (main period), attacks. Using single-molecule array assays, we evaluated changes neurofilament light chain...

10.1177/13524585211024978 article EN Multiple Sclerosis Journal 2021-07-02

Dopamine synapses play a crucial role in volitional movement and reward-related behaviors, while dysfunction of dopamine causes various psychiatric neurological disorders. Despite this significance, the true biological nature remains poorly understood. Here, we show that transmission is strongly correlated with GABA co-transmission across brain are structured function like GABAergic marked regional heterogeneity. In addition, GABAergic-like clustered on dendrites, at has distinct...

10.1016/j.celrep.2023.113239 article EN cc-by Cell Reports 2023-10-01

The purpose of study was to determine the nature, outcomes and associated risk factors invasive fungal infection (IFI) in patients with systemic lupus erythematosus (SLE), compare incidence IFI rheumatoid arthritis (RA). A total 1155 SLE 2004 RA were retrospectively reviewed between 1992 2007. Twelve cases identified (6 Aspergillus spp.; 5 Cryptococcus 1 Candida spp.). significantly higher than (1.04 vs. 0.15%). Among 12 SLE, 10 had high Systemic Lupus Erythematosus Disease Activity Index...

10.1177/0961203309103081 article EN Lupus 2009-05-11

Abstract Immersive technologies like virtual reality (VR) and augmented (AR) are rapidly advancing, but current motion tracking systems face significant limitations. Camera‐based methods struggle with occlusion environmental sensitivity, while existing skin‐applied sensors suffer from poor adhesion or lack of reusability. This research introduces a deep‐learning‐based monitoring system utilizing skin‐conformal stretchable film for reliable immersive in VR AR applications. The approach...

10.1002/adfm.202502568 article EN Advanced Functional Materials 2025-02-24
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