Yonsei University · 医学
Professor Sungsoo Lee's research lab focuses on molecular mechanisms underlying cellular signaling, particularly the substrate specificity of protein tyrosine kinases such as C-terminal Src kinase (Csk). The lab investigates how kinases recognize and phosphorylate specific substrates through distinct docking interactions, combining structural biology and mutagenesis to map functional domains. In parallel, the lab explores the impact of lifestyle interventions—especially exercise—on metabolic and neurotrophic factors in pediatric metabolic disorders, including obesity and type 2 diabetes. The research bridges molecular enzymology with translational physiology, aiming to uncover therapeutic targets for metabolic and neurological diseases in youth.
Figures are computed from collected data and may differ slightly.
Protein tyrosine kinases (PTK) are key enzymes of mammalian signal transduction. For the fidelity of signal transduction, each PTK phosphorylates only one or a few proteins on specific Tyr residues. Substrate specificity is thought to be mediated by PTK-substrate docking interactions and recognition of the phosphorylation site sequence by the kinase active site. However, a substrate-docking site has not been determined on any PTK. C-terminal Src kinase (Csk) is a PTK that specifically phosphoryl
[Purpose] The purpose of this study was to investigate the effects of 12 weeks regular aerobic exercise on brain-derived neurotrophic factor (BDNF) and inflammatory factors in juvenile obesity and type 2 diabetes mellitus (T2DM). Obesity and T2DM, typically common among adults, have recently become more prevalent in the Korean juvenile population, affecting not only their lipid profiles and oxidant stress levels, but also their BDNF and inflammatory factor levels. [Subjects] This study enrolled
[Purpose] The primary objective of this study was to investigate the effect of low-intensity exercise training compare with high-intensity exercise training on endoplasmic reticulum stress and glucagon-like peptide-1 in adolescents with type 2 diabetes mellitus. [Subjects and Methods] The low-intensity exercise training group performed aerobic exercise training at an intensity of ≤ 45% of the heart rate reserve. The high-intensity interval exercise training group performed interval exercise trai
An initial successful result of the compression period may increase patient compliance during treatment for pectus carinatum. Additional efforts to decrease pain, skin problems, shame and discomfort, and to give confidence may be beneficial in increasing compliance with bracing treatment.
Protein tyrosine kinases are key enzymes of mammalian signal transduction. Substrate specificity is a fundamental property that determines the specificity and fidelity of signaling by protein tyrosine kinases. However, how protein tyrosine kinases recognize the protein substrates is not well understood. C-terminal Src kinase (Csk) specifically phosphorylates Src family kinases on a C-terminal Tyr residue, which down-regulates their activities. We have previously determined that Csk recognizes Sr
In this study, measurement of patella lead did not aid causal inference regarding cognitive effects when compared with blood lead and tibia lead.
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