Publications by authors named "Su Han Cho"

Radiotherapy is widely used as an effective non-surgical strategy to control malignant tumors. However, recurrence is one of common causes of treatment failure even after the effective radiotherapy. In this study, we focused on the effects of radiation-induced exosomal miR-21 on the tumor microenvironment to investigate the causes of recurrence.

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Article Synopsis
  • The study investigates the role of IKKε in inflammation after a myocardial infarction (MI) using IKKε knockout mice, revealing that these mice experience worse cardiac outcomes compared to wild-type mice.
  • IKKε KO mice showed increased inflammation, greater cardiac fibrosis, and lower heart function due to alterations in cardiac macrophages, indicating a shift towards a more damaging macrophage-myofibroblast transition.
  • The research suggests that restoring p-p38 levels with 5-azacytidine (5-Aza) may help manage inflammation and reduce the detrimental macrophage transition, highlighting a potential therapeutic target for heart disease.
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Single-cell omics technologies have transformed our investigation of genomic, transcriptomic, and proteomic landscapes at the individual cell level. In particular, the application of single-cell RNA sequencing has unveiled the complex transcriptional variations inherent in cardiac cells, offering valuable perspectives into their dynamics. This review focuses on the integration of single-cell omics with induced pluripotent stem cells (iPSCs) in the context of cardiovascular research, offering a unique avenue to deepen our understanding of cardiac biology.

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Background: Postoperative minimal residual disease (MRD) detection using circulating-tumour DNA (ctDNA) requires a highly sensitive analysis platform. We have developed a tumour-informed, hybrid-capture ctDNA sequencing MRD assay.

Methods: Personalised target-capture panels for ctDNA detection were designed using individual variants identified in tumour whole-exome sequencing of each patient.

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Despite distinctive functional and anatomic differences, a precise understanding of the cardiac interventricular differences in excitation-contraction (E-C) coupling mechanisms is still lacking. Here, we directly compared rat right and left cardiomyocytes (RVCM and LVCM). Whole-cell patch clamp, the IonOptix system, and fura-2 fluorimetry were used to measure electrical properties (action potential and ionic currents), single-cell contractility, and cytosolic Ca2+ ([Ca2+]i), respectively.

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Recurrent gene mutations and fusions in cancer patients are likely to be associated with cancer progression or recurrence by Vogelstein et al. (Science (80-) 340, 1546-1558 (2013)). In this study, we investigated gene mutations and fusions that recurrently occurred in early-stage cancer patients with stage I non-small-cell cancer (NSCLC).

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Recurrent gene mutations and copy number alterations in cancer patients are presumably associated with resistance to targeted therapy. In the present study, we assessed the gene mutations and copy number alterations that recurrently occurred in cetuximab-treated patients with metastatic colorectal cancer (mCRC). Targeted next-generation sequencing was performed in the tumor samples obtained pre- and postcetuximab treatment to assess the variations that occurred during cetuximab treatment.

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Fetal growth restriction (FGR) is the failure of the fetus toachieve its genetically determined growth potential, which increasesrisks for a variety of genetic diseases, such as type 2 diabetes mellitus, coronary artery disease, and stroke, during the lifetime. The dysregulation of DNA methylationis known to interact with environmental fluctuations, affect gene expressions comprehensively, and be fatal to fetus development in specific cases. Therefore, we set out to find out epigenetic and transcriptomic alterations associated with FGR development.

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Skeletal muscle possesses plasticity and adaptability to external and internal physiological changes. Due to these characteristics, skeletal muscle shows dramatic changes depending on its response to stimuli such as physical activity, nutritional changes, disease status, and environmental changes. Modulation of the rate of protein synthesis/degradation plays an important role in atrophic responses.

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