Natural product-based therapy for inflammation and arthritis: Oridonin, found in Rabdosia Rubescens, increases IL-9 levels, augments proliferation of ILC2s (type 2 innate lymphoid cells) and regulatory T (Treg) cells, promotes resolution of inflammation, attenuates cartilage destruction, decreases bone loss, and inhibits pathological features associated with arthritis,  via up-regulation of its target genes, 26/February/2018, 8.40 am