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Plasma cell labeling index correlates with deletion of 13q14 in multiple myeloma.
MedLine Citation:
PMID:  21133734     Owner:  NLM     Status:  In-Data-Review    
Multiple myeloma (MM) is characterized by complex genetic and chromosomal abnormalities involving both numerical and structural aberrations, which have clinical prognostic value. The plasma cell labeling index (PCLI) is one of the most important prognostic factors in newly diagnosed MM, and indicates plasma cell proliferative capacity. In this study, we determined the PCLI and the deletion of 13q14, retinoblastoma-1 gene (RB-1), 1p13, and 17p13, 1q21 amplification, and IgH rearrangements in 42 newly diagnosed patients with MM. A high PCLI was observed in 18 patients (42.9%), and the del(13q14) was present in 25 patients (59.5%), del(RB-1) in 23 patients (54.8%), del(17p13) in eight patients (19.1%), amp(1q21) in 23 patients (54.7%), del(1p13) in 17 patients (40.5%), and IgH rearrangements in 28 patients (66.7%). We further detected the IgH translocation partners: t(11;14)(q13;q32), t(4;14)(p16;q32), and t(14;16)(q32;q23) in 19, 15, and five patients, respectively. The PCLI had a significant correlation with del(13q14) (p = 0.006), but no correlation with other chromosome abnormalities or clinical and laboratory features (p > 0.05). The PCLI was higher among patients with del(13q14), and patients with a high PCLI had a short time to disease progression. In conclusion, PCLI is a powerful and independent prognostic parameter in newly diagnosed MM, and correlates with del(13q14).
Chunming Li; Lijuan Chen; Xiao Gao; Xiaoyan Qu; Wenyi Shen; Ruifang Yang; Run Zhang; Hairong Qiu; Jiaren Xu; Hua Lu; Jianyong Li
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Publication Detail:
Type:  Journal Article     Date:  2010-12-06
Journal Detail:
Title:  Leukemia & lymphoma     Volume:  52     ISSN:  1029-2403     ISO Abbreviation:  Leuk. Lymphoma     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-02-01     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9007422     Medline TA:  Leuk Lymphoma     Country:  England    
Other Details:
Languages:  eng     Pagination:  260-4     Citation Subset:  IM    
Department of Hematology, the First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China.
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