Hematopoietic stem cell aging and leukemia transformation.

Hematopoietic stem cell aging and leukemia transformation.
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DOI:
10.1182/blood.2022017933
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发表时间:
2023-08-10
期刊:
影响因子:
20.3
通讯作者:
Trowbridge, Jennifer J.
Trowbridge, Jennifer J.
中科院分区:
医学1区
文献类型:
--
作者:
Diaz, Patricia A. Colom;Mistry, Jayna J.;Trowbridge, Jennifer J.

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随着年龄的增长,造血干细胞(HSC)再生,分化和产生成熟血液和免疫细胞的完整库的能力受损。由于造血功能障碍,血液恶性肿瘤的发病率在老年人中增加。在这里,我们提供了一个更新的HSC的内在和外在的因素和过程,最近发现有助于老化过程中的HSC功能下降。此外,我们还讨论了在衰老过程中维持HSC功能的干预方法的目标和时机,以及这些相同的目标可能预防或延迟向血液恶性肿瘤转化的程度。由副主编约翰·克里斯皮诺编辑,这个评论系列侧重于造血干细胞(HSC)生物学,超越了在小鼠HSC生物学的工作,并强调人类HSC的发展和表征。该领域的专家作者涵盖了从个体发育到衰老和白血病转化的主题。我们希望这些博学的文章将刺激研究,开发新的策略来逆转衰老的影响,防止恶性转化,并增强从多能干细胞体外生产HSC。
With aging, hematopoietic stem cells (HSCs) have an impaired ability to regenerate, differentiate, and produce an entire repertoire of mature blood and immune cells. Owing to dysfunctional hematopoiesis, the incidence of hematologic malignancies increases among elderly individuals. Here, we provide an update on HSC-intrinsic and -extrinsic factors and processes that were recently discovered to contribute to the functional decline of HSCs during aging. In addition, we discuss the targets and timing of intervention approaches to maintain HSC function during aging and the extent to which these same targets may prevent or delay transformation to hematologic malignancies. Edited by Associate Editor John Crispino, this Review Series focuses on hematopoietic stem cell (HSC) biology, going beyond the work in murine HSC biology and emphasizing development and characterization of human HSCs. Expert authors in the field cover topics ranging from ontogeny to aging and leukemia transformation. We hope that these erudite articles will stimulate research that develops novel strategies to reverse the effects of aging, prevent malignant transformation, and enhance in vitro production of HSCs from pluripotent stem cells.
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