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Updated: Jul 2, 2026

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Personalized Peptide Arrays for Detection of HLA Alloantibodies in Organ Transplantation
Published on: September 6, 2017
A novel HLA-B*44 allele, HLA-B*4459, identified in a renal patient with aberrant B44 serology and characterized by
1Tissue Typing Laboratory, New Zealand Blood Service, Auckland, New Zealand.
Tissue Antigens
|September 4, 2008
Abstract:
Human leukocyte antigen-B*4459 was first identified in a renal patient. The novel allele differs from B*44020101 by a single nucleotide change in exon 3 at nucleotide 453 (C-->G), which changes codon 127 from asparagine (AAC) to lysine (AAG) explaining some aberrant B44 serology results in 2003.
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Blood Types
Human blood is classified into different types based on the presence of antigens on the red blood cell's surface and antibodies in the plasma. Proper identification of blood type is essential for successful blood transfusion. The International Society of Blood Transfusion has identified 38 human blood types based on the surface antigens on the red blood cells. The most common types are ABO, Rh, and MNS blood types.
ABO blood group
ABO antigens are glycoproteins encoded by genes present on...
ABO blood group
ABO antigens are glycoproteins encoded by genes present on...
Blood Typing
Understanding an individual's blood group is a critical component of transfusion medicine. It ensures compatibility in blood transfusions, organ transplants, and even during pregnancy. Determining these blood groups involves the ABO and Rh blood typing systems, utilizing specific antigens and corresponding anti-sera to identify an individual's blood type.
Antigens are protein molecules that reside on the surface of red blood cells (RBCs). The ABO and Rh blood typing systems target antigens A,...
Antigens are protein molecules that reside on the surface of red blood cells (RBCs). The ABO and Rh blood typing systems target antigens A,...

