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Related Experiment Video

Updated: May 10, 2026

High-Content Screening Assay for the Identification of Antibody-Dependent Cellular Cytotoxicity Modifying Compounds

High-Content Screening Assay for the Identification of Antibody-Dependent Cellular Cytotoxicity Modifying Compounds

Published on: August 18, 2023

Complement-dependent cytotoxicity crossmatch.

Jeremy Ryan Peña¹, Donna Fitzpatrick, Susan L Saidman

¹Histocompatibility (HLA) Laboratory, Department of Pathology, Massachusetts General Hospital, Boston, MA, USA.

Methods in Molecular Biology (Clifton, N.J.)

|June 19, 2013

Summary

The complement-dependent cytotoxic crossmatch detects harmful alloantibodies in transplant patients, guiding clinical decisions. This vital test directly identifies cytotoxic alloantibodies, crucial for transplant success.

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Area of Science:

Immunology
Transplantation Medicine

Background:

The complement-dependent cytotoxic crossmatch is an essential test for detecting alloantibodies in transplant recipients.
Alloantibodies can lead to transplant rejection and impact clinical management.
The cytotoxic crossmatch is the only assay directly identifying potentially pathogenic cytotoxic alloantibodies.

Purpose of the Study:

To describe the methodology and significance of the complement-dependent cytotoxic crossmatch.
To highlight its role in detecting donor-reactive alloantibodies in pre- and post-transplant patients.

Main Methods:

The cytotoxic crossmatch involves combining patient serum with donor cells (lymphocytes).
Detection of antibody-antigen complexes and complement activation indicates a positive crossmatch.
Two common cytotoxic crossmatch procedures using donor lymphocytes are detailed.

Main Results:

The cytotoxic crossmatch provides direct evidence of cytotoxic alloantibodies.
Positive crossmatch results can inform clinical decisions regarding transplant management.

Conclusions:

The complement-dependent cytotoxic crossmatch is a critical assay for identifying potentially harmful alloantibodies.
Accurate performance of this crossmatch is vital for optimizing transplant patient care and outcomes.