Related Experiment Video
Updated: Jan 4, 2026

Bone Marrow Transplantation Procedures in Mice to Study Clonal Hematopoiesis
Published on: May 26, 2021
Cardiovascular Disease, Aging, and Clonal Hematopoiesis
Megan A Evans1, Soichi Sano1, Kenneth Walsh1
1Hematovascular Biology Center and the Robert M. Berne Cardiovascular Research Center, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA; email: mae3vu@virginia.edu, ss9tn@virginia.edu, kw9ar@virginia.edu.
Insights
Clonal hematopoiesis, the expansion of mutated blood cells during aging, is unexpectedly linked to increased cardiovascular disease risk. This review explores this connection and its underlying mechanisms.
Area of Science:
- Cardiovascular Medicine
- Hematology
- Genetics
Background:
- Traditional cardiovascular disease risk factors are insufficient for predicting disease in the elderly.
- Aging is associated with increased somatic mutations in hematopoietic stem cells, leading to clonal hematopoiesis.
- Clonal hematopoiesis has been unexpectedly linked to a higher incidence of cardiovascular disease.
Purpose of the Study:
- To review the current understanding of clonal hematopoiesis in aging.
- To explore the association between clonal hematopoiesis and cardiovascular disease.
- To summarize experimental evidence and proposed mechanisms linking hematopoietic mutations to cardiovascular pathology.
Main Methods:
- Review of epidemiological studies on aging, somatic mutations, and cardiovascular disease.
- Analysis of experimental research investigating the link between clonal hematopoiesis and cardiovascular disease.
- Synthesis of current knowledge on the molecular mechanisms involved.
Main Results:
- Clonal hematopoiesis is a common aging-related phenomenon in the hematopoietic system.
- A significant association exists between clonal hematopoiesis and increased cardiovascular disease risk.
- Specific mutations and cellular expansions in hematopoiesis contribute to cardiovascular pathology through various mechanisms.
Conclusions:
- Clonal hematopoiesis represents a novel, significant risk factor for cardiovascular disease, particularly in aging populations.
- Understanding the mechanisms linking hematopoietic mutations to cardiovascular disease may reveal new therapeutic targets.
- Further research is warranted to fully elucidate the complex interplay between aging, clonal hematopoiesis, and cardiovascular health.
Abstract:
Traditional risk factors are incompletely predictive of cardiovascular disease development, a leading cause of death in the elderly. Recent epidemiological studies have shown that human aging is associated with an increased frequency of somatic mutations in the hematopoietic system, which provide a competitive advantage to a mutant cell, thus allowing for its clonal expansion, a phenomenon known as clonal hematopoiesis. Unexpectedly, these mutations have been associated with a higher incidence of cardiovascular disease, suggesting a previously unrecognized connection between somatic mutations in hematopoietic cells and cardiovascular disease. Here, we provide an up-to-date review of clonal hematopoiesis and its association with aging and cardiovascular disease. We also give a detailed report of the experimental studies that have been instrumental in understanding the relationship between clonal hematopoiesis and cardiovascular disease and have shed light on the mechanisms by which hematopoietic somatic mutations contribute to disease pathology.
More Related Videos
Related Concept Videos
Hematopoiesis
The Effect of Aging on Tissues
Regulation of Hematopoietic Stem Cells
Overview of Hematopoiesis
Developmental Phases of Hematopoiesis
Initially, HSCs are formed in the embryonic yolk sac, a critical site for early blood cell production. These stem cells subsequently migrate to other...
Multipotency of Hematopoietic Stem Cells
Aging
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...

