김연지 교수

Cyclin-dependent kinase inhibitor p27Kip1 functions at the nuclear level by binding to cyclin E/cyclin-dependent kinase-2. It was shown that Akt or protein kinase B (Akt/PKB)-dependent phosphorylation of p27Kip1 led to the cytoplasmic mislocalization of p27Kip1, suggesting the potential abrogation of its activity. Here, we evaluated the localization of p27Kip1 protein in leukemic blasts in relation to Akt/PKB phosphorylation and clinical outcomes in acute myelogenous leukemia (AML). Western blot

PURPOSE: Apicidin, a histone deacetylase inhibitor, is a novel cyclic tetrapeptide that exhibits potent antiproliferative activity against various cancer cell lines. The aim of this study was to examine the potential of apicidin to induce apoptosis in human Bcr-Abl-positive leukemia cells and to assess the mechanism of apicidin-induced apoptosis. EXPERIMENTAL DESIGN: Cells were exposed to various concentrations of apicidin for 2-72 h, after which the levels of apoptosis, histone acetylation, mit

BACKGROUND: Housing animals in an enriched environment (EE) enhances behavioral function. However, the mechanism underlying this EE-mediated functional improvement and the resultant changes in gene expression have yet to be elucidated. OBJECTIVES: We attempted to investigate the underlying mechanisms associated with long-term exposure to an EE by evaluating gene expression patterns. METHODS: We housed 6-week-old CD-1 (ICR) mice in standard cages or an EE comprising a running wheel, novel objects

PURPOSE: The F-box protein S-phase kinase-associated protein 2 (Skp2) positively regulates the G(1)-S phase transition by controlling the stability of several G(1) regulators, such as p27Kip1. However, the clinical significance of Skp2 in patients with acute myelogenous leukemia (AML) remains unknown. EXPERIMENTAL DESIGN: We examined the clinical and biological significance of Skp2 expression in AML and evaluated the relationship between Skp2 and p27Kip1 expression and phosphatase and tensin hom

Purpose: Patients with liver cirrhosis are considered to be at risk for additional adverse events during endoscopic retrograde cholangiopancreatography (ERCP). The present study was designed as a propensity-score matched analysis to investigate whether cirrhotic liver increases the risk of bleeding complications in patients undergoing ERCP. Materials and Methods: In total, 8554 patients who underwent ERCP from January 2005 to December 2015 were retrospectively analyzed. To adjust for the imbalan

We investigated the effects of environmental enrichment (EE) on the function of transplanted adipose stem cells (ASCs) and the combined effect of EE and ASC transplantation on neurobehavioral function in an animal model of chronic hypoxic-ischemic (HI) brain injury. HI brain damage was induced in 7-day-old mice by unilateral carotid artery ligation and exposure to hypoxia (8% O2 for 90 min). At 6 weeks of age, the mice were randomly injected with either ASCs or PBS into the striatum and were ran

Ferroelectric polymers have recently been applied in human-connected electronics as pressure (touch)-sensing materials to develop high-performance electronic skin and tactile sensing memory. Here, we report an organic synthetic route for developing a polymer possessing both ferroelectric and electroluminescent properties from which a self-powered pliable display can be readily implemented. The synthetic route involves reversible addition-fragmentation transfer-mediated graft copolymerization of

Abstract With the emergence of electromechanical devices, considerable efforts have been devoted to improving the piezoelectricity of 2D materials. Herein, an anion‐doping approach is proposed as an effective way to enhance the piezoelectricity of α‐In 2 Se 3 nanosheets, which has a rare asymmetric structure in both the in‐plane and out‐of‐plane directions. As the O 2 plasma treatment gradually substitutes selenium with oxygen, it changes the crystal structure, creating a larger lattice distorti