Cytogenetics of Blastic Plasmacytoid Dendritic Cell Neoplasm Chromosomal Rearrangements and DNA Copy-Number Alterations

被引：8

作者：

Sakamoto, Kana ^{[1
,2
]}

Takeuchi, Kengo ^{[1
,2
,3
]}

机构：

[1] Japanese Fdn Canc Res, Canc Inst, Pathol Project Mol Targets, 3-8-31 Ariake, Tokyo 1358550, Japan

[2] Japanese Fdn Canc Res, Canc Inst, Div Pathol, Tokyo, Japan

[3] Japanese Fdn Canc Res, Canc Inst Hosp, Clin Pathol Ctr, Tokyo, Japan

来源：

HEMATOLOGY-ONCOLOGY CLINICS OF NORTH AMERICA | 2020年 / 34卷 / 03期

关键词：

BPDCN; Chromosomal aberration; Tumor suppressor gene; Translocation; MYC; MYB; t(6; 8) (p21; q24); Immunoblastoid; TRANSCRIPTION FACTOR; SEQUENCING REVEALS; RECURRENT; LEUKEMIA; MUTATIONS; LYMPHOMA; CANCER; TUMOR; MYB; DIFFERENTIATION;

D O I：

10.1016/j.hoc.2020.01.003

中图分类号：

R73 [肿瘤学];

学科分类号：

100214 ;

摘要：

Blastic plasmacytoid dendritic cell neoplasm (BPDCN) is a skin-tropic hematopoietic malignancy. Approximately 60% of cases with analyzable karyotyping results show complex karyotypes. Losses are more frequently found than copy-number gains. Recurrently deleted regions include tumor suppressor genes. No specific chromosomal abnormalities have been demonstrated in BPDCN, but genomic rearrangements involving the MYB family genes and MYC were identified. One-third of cases of BPDCN harbor the 8q24 rearrangement, most frequently with 6p21 harboring RUNX2, which is associated with immunoblastoid cytomorphology and MYC expression. MYB rearrangement is detected in 20% of patients with BPDCN. We review copy-number alterations and chromosomal rearrangements.

引用

收藏

页码：523 / 538

页数：16

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