Interleukin-6 receptor polymorphism is prevalent in HIV-negative Castleman Disease and is associated with increased soluble interleukin-6 receptor levels.
Stone K, Woods E, Szmania SM, Stephens OW, Garg TK, Barlogie B, Shaughnessy JD, Hall B, Reddy M, Hoering A, Hansen E, van Rhee F. Interleukin-6 receptor polymorphism is prevalent in HIV-negative Castleman Disease and is associated with increased soluble interleukin-6 receptor levels. PLoS One. 2013; 8(1):e54610.