hrp0089fc14.5 | Multisystem Endocrine Disorders | ESPE2018

Pubertal Females Produce an Enhanced Interferon-Alpha, Anti-viral Response Compared to Males, Which is Associated with X Chromosome Number, and Not Sex Hormones

Webb Kate , Butler Gary , Ciurtin Coziana , Peckham Hannah , Radziszewska Anna , Wedderburn Lucy R , Ioannou John

Introduction: Very little is known about the development of the immune system during puberty. Autoimmune diseases, like juvenile onset systemic lupus erythematosus (jSLE), have an unexplained female bias and a higher incidence after puberty. IFN alpha (IFNα) is a potent antiviral cytokine, and jSLE has a strong IFNα transcriptional signature. Toll like receptors 7 and 9 (TLR7/9) sense viral RNA and DNA respectively, and trigger plasmacytoid dendritic cells (pDC) to p...