isBiomarkerOfAging disease interleukin-6 IFN-beta-2 IL-6 interferon beta-2 yes PIRSF:PIRSF001935 IL6 interleukin HP-1 BSF-2 IFNB2 CTL differentiation factor PR:000001393 B-cell stimulatory factor 2 hybridoma growth factor A protein that is a translation product of the human IL6 gene or a 1:1 ortholog thereof. CDF Category=gene. B-cell hybridoma growth factor protein interleukin