Sydney researchers have discovered a new type of immune cell in skin that plays a role in fighting off parasitic invaders such as ticks, mites, and worms, and could be linked to eczema and allergic skin diseases. The team from the Immune Imaging and T cell Laboratories at the Centenary Institute worked with colleagues from SA Pathology in Adelaide, the Malaghan Institute in Wellington, New Zealand and the USA. The new cell type is part of a family known as group 2 innate lymphoid cells (ILC2) which was discovered less than five years ago in the gut and the lung,...