Symptoms and Testing information for HLA DSA-SAB Class II IgG Antibodies with C1q Screen Test

Symptoms and Testing information for HLA DSA-SAB Class II IgG Antibodies with C1q Screen Test

In the realm of transplant medicine, the detection and management of antibodies that can affect the success of organ transplants are of paramount importance. Among these, the Human Leukocyte Antigen (HLA) Donor-Specific Antibodies (DSA) have garnered significant attention. Particularly, the HLA DSA-Specific Antibody (SAB) Class II IgG antibodies, when combined with the C1q screen test, provide crucial insights into potential transplant rejection and complications. At DNA Labs UAE, we offer comprehensive testing for these antibodies, crucial for patients undergoing or considering organ transplantation.

Understanding HLA DSA-SAB Class II IgG Antibodies with C1q Screen Test

The HLA system is a complex group of genes responsible for the regulation of the immune system in humans. HLA DSA-SAB Class II IgG antibodies are specific antibodies produced by the immune system against the donor’s HLA antigens. The presence of these antibodies can lead to the rejection of transplanted organs. The C1q screen test, on the other hand, is a complement-binding assay that helps in identifying the subset of DSA that can activate the complement system, leading to a higher risk of graft damage and loss.

Symptoms Indicating the Need for Testing

Patients who have undergone organ transplantation or those awaiting transplantation may need to be tested for HLA DSA-SAB Class II IgG antibodies with C1q screen. The following symptoms and conditions are indicative of the need for this test:

  • Unexplained decrease in organ function
  • Increased levels of creatinine in blood tests for kidney transplant recipients
  • Signs of graft-versus-host disease (GVHD) in stem cell transplant recipients
  • History of transplant rejection
  • Pre-transplant evaluation to assess the risk of rejection

Importance of Early Detection and Management

Early detection of HLA DSA-SAB Class II IgG antibodies with C1q binding capability is crucial for the management and prognosis of transplant recipients. It allows healthcare providers to:

  • Adjust immunosuppressive therapy to prevent or mitigate rejection
  • Monitor patients closely for signs of graft dysfunction
  • Make informed decisions about the need for re-transplantation or additional treatments

Furthermore, understanding the presence and levels of these antibodies can help in the selection of compatible donors, reducing the risk of rejection and improving transplant outcomes.

Test Cost and Procedure

The cost of the HLA DSA-SAB Class II IgG antibodies with C1q screen test at DNA Labs UAE is 7380 AED. This comprehensive test is performed on a blood sample, which can be collected at our facility or through our network of partner clinics. Our state-of-the-art laboratory is equipped with the latest technology to ensure accurate and reliable results. The test is conducted by experienced professionals who specialize in immunogenetics and transplant immunology.


HLA DSA-SAB Class II IgG antibodies with C1q screen test is a critical tool in the management of transplant recipients. It provides valuable information on the risk of graft rejection and the need for intervention. At DNA Labs UAE, we are committed to offering this advanced testing service to help improve the outcomes for transplant patients. For more information and to schedule a test, please visit our website at

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