<prompt> HLA marker of bechets syndrome -HLA-B27HLA-DR5HLA-B51HLA-CW6  <response>: Behcets disease, or Behcets syndrome, is a rare and poorly understood condition that results in inflammation of the blood vessels and tissues. Confirming a diagnosis of Behcets disease can be difficult because the symptoms are so wide-ranging and general they can be shared with a number of other conditionsThe main symptoms of Behcets disease include: genital and mouth ulcers red, painful eyes and blurred vision acne-like spots headaches painful, stiff and swollen joints In severe cases, theres also a risk of serious and potentially life-threatening problems, such as permanent vision loss and strokes. Most people with the condition experience episodes where their symptoms are severe flare-ups or relapses, followed by periods where the symptoms disappear remission. Over time, some of the symptoms can settle down and become less troublesome, although they may never resolve completely.HLA-B51 B51 is an HLA-B serotype. The serotype identifies the more common HLA-B51 gene products. B51 is a split antigen of the broad antigen B5, and is a sister serotype of B52. There are a large number of alleles within the B51 allele group. B51 is associated with several diseases, including Behcets disease. 