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National Institute on Aging Virtual Workshop: Measures of Somatic Mutation-related Clonal Hematopoiesis in Humans: Enhancing Contributions to Clinical, Epidemiologic, and Genetic Aging Studies
Sponsored by: NIA's Division of Geriatrics and Clinical Gerontology and Division of Aging Biology

The overall purpose of this workshop is to gain knowledge on the prevalence of clonal expansion of hematopoietic cells associated with somatic mutations as a function of age in humans and the evolution of technologies to analyze these mutations in human specimens. The term “clonal hematopoiesis of indeterminate potential” (CHIP) has been applied to a subset of such clones in which known genetic drivers of hematologic malignancies are found. However, mutations in many other genes are associated with clonal expansion in the absence of CHIP. Both these types of clonal hematopoiesis (CH) have been associated with increased mortality risk and cardiovascular disease risk in addition to risk of hematologic malignancies. With the rapid development of genomic technologies, a variety of options are available to assess these types of clonal hematopoiesis in human population studies focusing on exceptional longevity and age-related diseases and clinical trials testing interventions for health and life span. This will provide opportunities to assess the clinical significance of differing mutations occurring in differing blood cell types for a variety of age-related outcomes, and to assess physiologic factors, environmental exposures, and germline genetic risk factors for the development of clonal hematopoiesis.

This 2-day workshop will include three different sessions focused on clonal hematopoiesis/somatic mutations and aging phenotypes in human cohorts, novel technologies that could potentially be used in clinical specimens and the implementation of these technologies in longevity studies and translational (intervention) studies for biomarker discovery and therapeutic targets. The final session will discuss opportunities to address research issues.
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