1. Lichen planopilaris is characterized by immune privilege collapse of the hair follicle's epithelial stem cell niche. Issue 2 (10th September 2013) Authors: Harries, Matthew J; Meyer, Katja; Chaudhry, Iskander; E Kloepper, Jennifer; Poblet, Enrique; Griffiths, Christopher EM; Paus, Ralf Journal: Journal of pathology Issue: Volume 231:Issue 2(2013) Page Start: 236 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗