Related Experiment Video
Updated: Jul 31, 2025
Bone Marrow Transplantation Procedures in Mice to Study Clonal Hematopoiesis
Published on: May 26, 2021
Clonal hematopoiesis of indeterminate potential and outcomes after heart transplantation: A multicenter study
Kaushik Amancherla1, Kelly H Schlendorf1, Caitlyn Vlasschaert2
1Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee, USA.
Insights
Clonal hematopoiesis of indeterminate potential (CHIP) mutations did not increase the risk of cardiac allograft vasculopathy (CAV) or death after heart transplantation (HT). This large multicenter study found no association between CHIP and adverse post-transplant outcomes.
Area of Science:
- Cardiology
- Genomics
- Transplantation Immunology
Background:
- Cardiac allograft vasculopathy (CAV) is a primary cause of heart transplant graft failure and mortality.
- CAV shares features with atherosclerosis, leading to coronary narrowing and graft ischemia.
- Clonal hematopoiesis of indeterminate potential (CHIP) is a known risk factor for cardiovascular disease.
Purpose of the Study:
- To investigate the association between CHIP mutations and post-heart transplantation outcomes.
- To determine if CHIP influences the development of CAV or mortality in heart transplant recipients.
Main Methods:
- A case-control analysis of 479 heart transplant recipients from two major transplant centers.
- Genomic DNA samples were analyzed for the presence of CHIP mutations.
- Association between CHIP and CAV development or mortality was explored.
Main Results:
- Carriers of CHIP mutations showed no increased risk of developing CAV.
- CHIP mutation status was not associated with higher mortality rates post-heart transplantation.
- A large multicenter genomics study confirmed no link between CHIP and adverse transplant outcomes.
Conclusions:
- The presence of CHIP mutations is not a risk factor for CAV in heart transplant recipients.
- CHIP does not appear to increase the risk of mortality following heart transplantation.
- Further research may explore other genetic or clinical factors influencing CAV and transplant outcomes.
Abstract:
Cardiac allograft vasculopathy (CAV) is a leading cause of late graft failure and mortality after heart transplantation (HT). Sharing some features with atherosclerosis, CAV results in diffuse narrowing of the epicardial coronaries and microvasculature, with consequent graft ischemia. Recently, clonal hematopoiesis of indeterminate potential (CHIP) has emerged as a risk factor for cardiovascular disease and mortality. We aimed to investigate the relationship between CHIP and posttransplant outcomes, including CAV. We analyzed 479 HT recipients with stored DNA samples at 2 high-volume transplant centers, Vanderbilt University Medical Center and Columbia University Irving Medical Center. We explored the association between the presence of CHIP mutations with CAV and mortality after HT. In this case-control analysis, carriers of CHIP mutations were not at increased risk of CAV or mortality after HT. In a large multicenter genomics study of the heart transplant population, the presence of CHIP mutations was not associated with an increased risk of CAV or posttransplant mortality.
More Related Videos
11:59Detection of Residual Donor Erythroid Progenitor Cells after Hematopoietic Stem Cell Transplantation for Patients with Hemoglobinopathies
Published on: September 6, 2017
09:32Clonal Analysis of Embryonic Hematopoietic Stem Cell Precursors Using Single Cell Index Sorting Combined with Endothelial Cell Niche Co-culture
Published on: May 8, 2018
Related Concept Videos
01:19Multipotency of Hematopoietic Stem Cells
01:22Bone Marrow Sampling and Transplants
The transplant begins with high doses of chemotherapy and radiation treatment, which aim to destroy...