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We conducted a case-control study to evaluate the association between paternal smoking and childhood leukemia and to evaluate potential modification by polymorphisms in CYP1A1. Histologically confirmed childhood leukemia cases (n=164) and non-cancer controls (n=164) were recruited from three teaching hospitals in Seoul, Korea. Five single nucleotide(More)
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Abstract In this paper, we investigate some symmetric properties of p-adic q-integral on Z p. A question was asked in [10] as to finding(More)
BACKGROUND Hemophagocytic lymphohistiocytosis (HLH) is a rare multisystem disorder that frequently involves the central nervous system (CNS). We compared the clinical characteristics, treatment, and prognosis of patients with HLH according to the degree of CNS involvement. METHODS The clinical manifestations, initial laboratory data, treatment, and(More)
BACKGROUND The clinical presentation and course of Langerhans cell histiocytosis (LCH) are variable, ranging from an isolated, spontaneously remitting bone lesion to multisystem disease with risk organ involvement. Treatment of LCH ranges from a wait-and-see attitude to intensive multidrug therapy and, in some cases, bone marrow transplantation. It is(More)
OBJECTIVES Current guidelines recommend the eosin-5'-maleimide (EMA) binding test and cryohemolysis test for screening for hereditary spherocytosis (HS), and the flow cytometric osmotic fragility (FC OF) test was recently developed to replace the classic OF test. We evaluatedthe performance of the EMA binding test, FC OF test, cryohemolysis test, and the(More)
Incompatibility of human leukocyte antigen (HLA) alleles between donors and recipients of unrelated hematopoietic stem cell transplantation (UHSCT) increases the risk of acute graft-versus-host disease (GVHD). We evaluated the positional effect of amino acid substitutions in HLA molecules on severe acute GVHD in Korean pediatric recipients of UHSCT. All of(More)
Data regarding the prognostic significance of CXCR4 and VLA-4 in ALL are limited. Especially, VLA-4 has not been evaluated at the time of diagnosis in both adult and childhood ALL patients. We prospectively analyzed the expression of VLA-4 and CXCR4 in 54 patients (VLA-4 in 29 adults and 25 children and CXCR4 in 22 adults and 24 children) newly diagnosed(More)
BACKGROUND Gelsolin and matrix metalloproteinase 12 (MMP12) expression has been reported in Langerhans cell histiocytosis (LCH), but the clinical significance of this expression is unknown. We investigated the associations of these proteins with clinical manifestations in patients diagnosed with LCH. METHODS We performed a retrospective analysis of(More)