Doctors stumbled upon a type rarer than “golden blood”—and suspect more patients carry the bizarre genetic anomaly.

Two human leukocyte antigen (HLA) alleles, DRB1*04.04 and DRB1*03, show a significant correlation with myasthenia gravis (MG) prevalence. Northern Europe exhibits the highest prevalence of MG and ...

There are rare blood types beyond the eight most common ones, and researchers have discovered one more that brings the total count to 49. Blood type A(B) is caused by a four gene mutations and was ...

The ABO blood group system, defined by the presence or absence of A and B antigens on red blood cells, is one of the most extensively studied genetic polymorphisms. The genetics underlying this system ...