在克隆性血液形成中预测骨髓性恶性瘤的风险
Lachelle D Weeks1,2,3, Abhishek Niroula4,5, Donna Neuberg6
1Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA.
NEJM evidence
|July 24, 2023
概括
一个新的克隆性血液形成风险评分 (CHRS) 有助于识别具有克隆性血液形成 (CHIP) 或细胞缩 (CCUS) 的个体,这些个体有患髓状瘤 (MN) 的高风险. 这一分数有助于对风险进行分层,以便更好地进行临床管理和研究.
科学领域:
- 血液学 血液学 血液学
- 遗传学 遗传学 是一个
- 在瘤学瘤学.
背景情况:
- 不确定潜力的克隆性血液形成 (CHIP) 和不确定意义的克隆性细胞衰减 (CCUS) 涉及与骨髓瘤瘤 (MN) 相关的体质突变.
- 这些情况在成年人中很普遍,识别MN的风险预测因子对于临床管理和研究至关重要.
研究的目的:
- 开发和验证一种风险评分,用于预测未确定潜力 (CHIP) 克隆性血液形成和未确定意义的克隆性细胞衰减 (CCUS) 个体的髓瘤 (MN) 发展.
主要方法:
- 分析了来自438,890名英国生物库参与者的外体序列数据.
- 利用递归分区和考克斯回归来识别事件MN的预测因素.
- 根据统计权重的组合,开发了一种克隆性血液形成风险评分 (CHRS).
主要成果:
- 递归分区确定了CHIP/CCUS病例的10年MN概率 (0.0078-0.85) 的广泛范围.
- 关键预测因素包括特定突变 (例如,DNMT3A),突变负担,变异性等位基因分数,年龄,CCUS状态和红细胞指数.
- 该CHRS将个人分为低 (88.4%),中等 (10.5%) 和高 (1.1%) 风险组,大多数MN事件发生在高风险组中.
结论:
- 克隆性血液形成风险评分 (CHRS) 为CHIP/CCUS提供了一个简单的预后工具.
- 它有效地区分了一个小的,高风险的群体,容易发生MN的进展,从一个较大的群体,风险最小.
相关概念视频
01:15Differentiation of Common Myeloid Progenitor Cells
3.2K
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...
3.2K
01:27Disorders of Leukocytes
983
Leukocyte disorders can lead to either leukopenia, characterized by an abnormally low leukocyte count, or leukocytosis, marked by a very high leukocyte number.
Leukopenia may result from bone marrow disorders, autoimmune diseases, and infectious diseases. For example, conditions such as multiple myeloma and aplastic anemia can impair the bone marrow's ability to produce adequate leukocytes. Similarly, autoimmune diseases like lupus and viral infections such as HIV can prompt the immune...
Leukopenia may result from bone marrow disorders, autoimmune diseases, and infectious diseases. For example, conditions such as multiple myeloma and aplastic anemia can impair the bone marrow's ability to produce adequate leukocytes. Similarly, autoimmune diseases like lupus and viral infections such as HIV can prompt the immune...
983
01:21Lineage Commitment
3.0K
Commitment is the process whereby stem cells:
3.0K
01:22Bone Marrow Sampling and Transplants
360
Bone marrow transplant is a potential cure for several diseases, including cancer and specific genetic disorders. Notably, this procedure is applicable for patients suffering from aplastic anemia, certain types of leukemia, severe combined immunodeficiency disease (SCID), Hodgkin's disease, non-Hodgkin's lymphoma, multiple myeloma, thalassemia, sickle-cell disease, and certain cancers.
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...
360