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Immunophenotypic analysis of abnormal plasma cell clones in bone marrow of primary systemic light chain amyloidosis patients
Hu Yang1; Wang Mangju1; Chen Yan2; Chen Xue1; Fang Fang1; Liu Shiqin1; Zhang Ying1; Wu Xueqiang2; Zhu Ping1
关键词Primary Systemic Light Chain Amyloidosis Plasma Cell Clone Light Chain Restriction Immunophenotype Flow Cytometry
刊名CHINESE MEDICAL JOURNAL
2014-08-05
DOI10.3760/cma.j.issn.0366-6999.20141053
127期:15页:2765-2770
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Medicine, General & Internal
研究领域[WOS]General & Internal Medicine
关键词[WOS]MULTIPLE-MYELOMA ; FLOW-CYTOMETRY ; MONOCLONAL GAMMOPATHY ; AL AMYLOIDOSIS ; DIAGNOSIS ; IMMUNOGLOBULIN ; EXPRESSION ; PROGNOSIS ; LEUKEMIA ; UPDATE
英文摘要

Background Primary systemic light chain amyloidosis (AL) is a rare plasma cell disease, our purpose was to analyze the immunophenotypic characteristics of the plasma cells in bone marrow in AL patients, and explore whether the detection of abnormal plasma cell clones in bone marrow by flow cytometry (FCM) could be used as an important indicator of AL diagnosis.

Methods Fresh bone marrow samples were collected from 51 AL, 21 multiple myeloma (MM), and 5 Waldenstrom′s macroglobulinemia (WM) patients. The immunophenotype of bone marrow cells were analyzed and compared by FCM using a panel of antibodies including CD45, CD38, CD138, CD117, CD56, and CD19.

Results In AL, light chain restriction could be identified in 31 cases (60.9%), in which the A light chain restriction was found in 24 cases (77.4%). In MM, K light chain restriction was found in 13 cases (61.9%), and A light chain restriction in eight cases. CD45 on abnormal plasma cells was negative to weakly positive in both AL and MM, but was positive to strongly positive in WM. In the bone marrow plasma cells of the 51 AL, 78.4% were CD56+, 68.6% were CD117+, and 88.2% were CD19- While in the 21 MM cases, 66.7% were CD56+, 38.1% were CD117+, and 90.4% were CD19. The plasmacytoid lymphocytes in the five WM patients were CD19+ and CD56-, CD117-.

Conclusion Detection of abnormal plasma cell clones in bone marrow by FCM is valuable for the diagnosis of AL.

语种英语
WOS记录号WOS:000340691000008
项目编号81370612 ; 81102211
资助机构National Natural Science Foundation of China
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/51030
专题北京大学第一临床医学院_血液内科
作者单位1.Peking Univ, Hosp 1, Dept Hematol, Beijing 100034, Peoples R China
2.Beijing Aerosp Gen Hosp, Inst Hematol & Oncol, Beijing 100076, Peoples R China
推荐引用方式
GB/T 7714
Hu Yang,Wang Mangju,Chen Yan,et al. Immunophenotypic analysis of abnormal plasma cell clones in bone marrow of primary systemic light chain amyloidosis patients[J]. CHINESE MEDICAL JOURNAL,2014,127(15):2765-2770.
APA Hu Yang.,Wang Mangju.,Chen Yan.,Chen Xue.,Fang Fang.,...&Zhu Ping.(2014).Immunophenotypic analysis of abnormal plasma cell clones in bone marrow of primary systemic light chain amyloidosis patients.CHINESE MEDICAL JOURNAL,127(15),2765-2770.
MLA Hu Yang,et al."Immunophenotypic analysis of abnormal plasma cell clones in bone marrow of primary systemic light chain amyloidosis patients".CHINESE MEDICAL JOURNAL 127.15(2014):2765-2770.
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