Multiple choice HLA-DR2 is regarded as a risk factor for which of the following autoimmune diseases? Multiple sclerosis Insulin-dependent (type I) diabetes Ankylosing spondylitis Rheumatoid arthritis Myasthenia gravis Reveal answer Fill a bubble to check yourself A Correct answer Explanation Individuals with HLA-DR2 are more at risk of developing multiple sclerosis than those with other HLA-DR specificities.