Health Dictionary
Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.
HLA-A28
Introduction
HLA-A28 (A28) is a broad antigen HLA–A serotype that recognized the A68 and A69 serotypes. These haplotypes are most common in the middle eastern region and NE africa but can be found along central asia to eastern siberia and within the New World.
| Split antigen serotypes of A28 HLA-A |
| HLA-A68 |
| HLA-A69 |