하지혜 교수
Jihye Ha
한양대학교 진단검사의학과 · 의학
연구실 소개
하지혜 교수의 연구실은 혈액배양에서의 빠른 박테리아 동정 및 항생제 감수성 검사, 다발성 백혈병에서의 유전자 분석 및 미세잔류병변 모니터링, 만성 호산구성 백혈병 및 에피스타 바이러스 감염의 분자진단 기반 진료 개선을 핵심으로 삼고 있습니다. 특히, 신속한 감염병 진단 기술과 고감도 유전자 분석 기술을 통해 임상적 결과를 향상시키는 데 초점을 맞추고 있습니다. 병원체 동정, 유전적 이상 탐지, 질병 예후 평가 등 임상병리학의 핵심 영역을 아우르는 종합적 진단 연구를 수행하고 있습니다.
연구 현황
연구 성과 추이
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주요 논문
15Routine implementation of this short-term incubation method could provide ID results on the day of blood culture-positivity detection and one day earlier than the conventional AST method. This simple method will be very useful for rapid ID and AST of bacteria from positive blood culture bottles in routine clinical practice.
The early detection and timely treatment are the most important factors for improving the outcome of patients with sepsis. Sepsis-related clinical score, such as SIRS, SOFA and LODS, were defined to identify patients with suspected infection and to predict severity and mortality. A few hematological parameters associated with organ dysfunction and infection were included in the score although various clinical pathology parameters (hematology, serum chemistry and plasma coagulation) in blood samp
Next-generation sequencing (NGS) of rearranged Ig genes is an effective technology for identifying pathologic clonal cells in multiple myeloma (MM) and tracking minimal residual disease. The clinical effect of implementing NGS in Ig gene clonality analysis was evaluated via a retrospective chart review. A total of 312 patients diagnosed with MM were enrolled in the study. Ig gene clonality was determined by fragment analysis using BIOMED-2 multiplex PCR assays and by NGS using the LymphoTrack IG
Accurate detection of cytogenetic abnormalities has become more important for improving risk-adapted treatment strategies in multiple myeloma (MM). However, precise cytogenetic testing by fluorescence in situ hybridization (FISH) is challenged by the dilution effect of bone marrow specimens and poor growth of plasma cells ex vivo. It has been suggested that FISH should be performed in combination with plasma cell enrichment strategies. We examined cytogenetic abnormalities in newly diagnosed MM
Dear Editor, CML is characterized by reciprocal t(9;22)(q34;q11) translocation, which generates the BCR/ABL1 protein; that protein plays a critical role in the pathogenesis of CML. CML patients commonly harbor BCR-ABL1 fusion transcripts of types b3a2 (e14a2) or b2a2 (e13a2), while types e1a2 or e19a2 are less common. CML cases with b2a3-type fusion, in which the ABL1 exon 3 (a3) rather than exon 2 (a2) is fused to BCR, are rare. To date, only eight CML cases with solely b2a3-type fusion have
BACKGROUND: Epstein-Barr Virus (EBV) is one of the most prevalent causes of viral infection in humans. EBV infection stage (acute, past, or absent infection) is typically determined using a combination of assays that detect EBV-specific markers, such as IgG and IgM antibodies against the EBV viral capsid antigen (VCA) and IgG antibodies against the EBV nuclear antigen (EBNA). We compared the diagnostic performance and agreement of results between three commercial EBV antibody assays using an EBV
The genus Kytococcus are pigmented, non-encapsulated, non-motile, aerobic, catalase-positive, Gram-positive cocci in pairs or tetrads. We report a case of Kytococcus schroeteri isolated from a blood specimen of a patient with pneumonia. The isolate was Gram-variable and difficult to identify using conventional biochemical tests.
Late Prosthetic Joint Infection and Bacteremia by Bacillus cereus Confirmed by 16S rRNA Sequencing and Hip Joint Tissue Pathology Jihye Ha, Yu Jin Park, Yee Jeong Kim, Hyun Cheol Oh, Young Ah Kim Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul, Departments of Pathology, Orthopedic Surgery, Laboratory Medicine, National Health Insurance Service Ilsan Hospital, Goyang, Korea
Abstract Accurate detection of cytogenetic abnormalities has become more important for improving risk-adapted treatment strategies in multiple myeloma (MM). However, precise cytogenetic testing by fluorescence in situ hybridization (FISH) is challenged by the dilution effect of bone marrow specimens and poor growth of plasma cells ex vivo . To address these issues, we compared the performances of three different enrichment modalities for FISH: direct FISH, fluorescence immunophenotyping and inte
Background : Epstein-Barr virus (EBV) is known to be the causative agent of infectious mononucleosis and EBV-related malignancies. In this study, we compared the results of three real-time PCR kits for EBV DNA assays.\n\nMethods : A total of 300 whole blood samples submitted for quantitative EBV PCR between January 2013 and September 2014 at Severance Hospital were included. The samples were tested by using the Artus EBV RG PCR Kit (Qiagen, Germany), AccuPower EBV Quantitative PCR Kit (Bioneer,
Abstract Background: Unlike dividing cells, platelets are usually regarded as unproductive in that they are anuclear fragments of megakaryocyte and incapable of the canonical cell cycle. However, recent evidence showed that platelets could form progeny or at least undergo fission. The observation indicated the existence of a non-hematopoietic mechanism to determine platelet count in peripheral blood. The assessing the kinetic aspects of platelet division is not easy because automated cell counte
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