在诊断和复发时,耐火性/复发性LBCL中的不一致的细胞起源
Elisabeth Victoria Riber Hansen1,2, Shannon Dennis3, Peter Brændstrup4
1Department of Clinical Medicine, University of Copenhagen, Denmark.
Leukemia & lymphoma
|December 3, 2025
概括
使用Lymph2Cx试验的复发性/耐药性扩散性大B细胞淋巴瘤 (DLBCL) 的细胞起源 (COO) 分类显示出高一致性. 然而,一些患者表现出激活B细胞样 (ABC) 和生殖中心B细胞样 (GCB) 亚型之间的转变,需要进一步调查.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 分子生物学分子生物学
背景情况:
- 基于基因表达特征 (GEP) 的细胞起源 (COO) 分类对于扩散性大B细胞淋巴瘤 (DLBCL) 的分子亚型是至关重要的.
- 在复发或耐火 (R / R) 设置中COO分类的稳定性需要进一步验证.
研究的目的:
- 通过使用NanoString Lymph2Cx试验,评估R/R LBCL中COO分类的稳定性和可重复性.
- 调查COO在初级样本和复发样本之间转移的频率和影响.
主要方法:
- 纵向研究设计,分析配对的初级和复发样本.
- 使用NanoString Lymph2Cx试验进行COO分类.
- 包括84名被诊断患有R/R LBCL的患者.
主要成果:
- 90.2%的样本被归类为活性B细胞类 (ABC) 或生殖中心B细胞类 (GCB).
- 在18名患者 (21.4%) 观察到COO不一致性.
- 四名患者 (4.8%) 在ABC和GCB分类之间表现出亚型转移.
结论:
- 淋巴2Cx测定对于R/R LBCL中COO的确定是有用的.
- 观察到的COO转移引发了关于生物和临床意义的问题.
- 需要进一步的研究来了解COO的不稳定性及其对治疗策略的影响.
相关概念视频
Cells of the Adaptive Immune Response
8.3K
The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
8.3K
Differentiation of Common Myeloid Progenitor Cells
3.9K
Common myeloid progenitors (CMPs) are oligopotent cells that can differentiate into granulocytes and macrophages. Granulocytes and macrophages are essential for protecting the body against bacterial, viral, or fungal infections. They migrate from the bone marrow into the circulating blood to reach specific tissue sites where they differentiate and help in immune surveillance. However, they survive only for a few days and must be continuously made available to the organism to maintain a robust...
3.9K
Primary Lymphoid Organs
14.5K
Primary lymphoid organs are pivotal in the formation, development, and maturation of lymphocytes, the white blood cells that serve as the backbone of our immune system. This crucial function underscores their fundamental role in maintaining our overall health and immunity. The two primary lymphoid organs of prime importance are the red bone marrow and the thymus.
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
The red bone marrow is a soft, spongy tissue nestled in the interior of long bones such as the humerus and femur. It is the site...
14.5K


