Typing Nociceptors

... Nociceptive sensory neurons of the dorsal root ganglia (DRGs) are generally divided into two main subclasses: those that bind the plant isolectin-B4 (IB4) and those that express the nerve growth factor receptor tyrosine kinase A (trkA). However, this week Fang et al. argue that the situation is more complex after assessing a large sample of rat lumbar DRG neurons in vivo. [click link for full article] ...