Sun Young Chung

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OBJECTIVE To evaluate our early experience using self-expanding stents to treat atherosclerotic vertebral artery ostial stenosis (VAOS), with respect to technical feasibility and clinical and imaging follow-up results. MATERIALS AND METHODS A total of 20 lesions in 20 patients underwent stenting of the VAOS using a self-expanding stent (Precise RX; Cordis(More)
PURPOSE To evaluate clinical features and CT findings of pneumatois intestinalis in recipients following liver transplantation and to determine whether certain clinical and CT findings enable differentiation of indolent pneumatois intestinalis from fulminant cases. MATERIALS AND METHODS This retrospective study was approved by our institutional review(More)
DAAS is the diacetoxy acetal derivative of a-santonin and induces HL-60 cell differentiation into granulocytes. In this report, we investigated the structure-activity relationship (SAR) of DAAS derivatives in the differentiation of human HL-60 leukemia cells. Although its derivatives themselves had less effect on HL-60 cell differentiation than DAAS, the(More)
Several diacetoxy acetal analogues have been synthesized from santonin and assessed for their ability of inducing or enhancing the differentiation of human HL-60 leukemia cells. The compounds themselves had little effect on HL-60 cell differentiation. However, three analogues, 2a, 3a, and 5b, synergistically enhanced 1,25-dihydroxyvitamin D3(More)
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