Chapter 19

Engraftment Analysis Using Short Tandem Repeats Following Allogeneic Hematopoietic Cell Transplantation

Ilka Warshawsky MD, PhD

Ilka Warshawsky MD, PhD

Department of Molecular Pathology, Cleveland Clinic Foundation, Cleveland, OH, USA

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Hyun-Sook Chi MD, PhD

Hyun-Sook Chi MD, PhD

University of Ulsan, College of Medicine and Asan Medical Center, Seoul, Korea

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First published: 10 April 2012

Summary

Allogeneic hematopoietic cell transplantation is used to treat a variety of malignant and nonmalignant hematologic disorders. Chimerism analysis is an important tool for monitoring post-transplant outcome. Chimerism testing allows for documentation of successful engraftment and ablation of recipient cells. It also predicts untoward events including disease relapse, graft rejection, and graft-versus-host disease so that preemptive immunotherapy can be instituted and responses to treatment monitored. The most commonly used approach for chimerism testing is PCR amplification of microsatellites or short tandem repeat (STR) loci. This approach relies on differences between donor and recipient polymorphic genetic markers. This chapter focuses on STR-PCR, an informative and sensitive method to accurately quantitate amounts of donor and recipient DNA following allogeneic hematopoietic cell transplantation.

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