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News and Views
Nature 459, 521-522 (28 May 2009) | doi:10.1038/459521a; Published online 27 May 2009
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Gastroenterologist
- South Atlanta Medical Clinic, PC (GI Group)
- Atlanta, GA, USA
Assistant Professor and Associate Professor
- Massachusetts General Hospital/ Harvard Medical School
- Charlestown, MA
Olfaction: Noses within noses
Steven D. Munger1
Abstract
The mammalian olfactory system does more than just detect food odours and pheromones. The discovery of a novel class of olfactory receptor provides evidence that mammals can also sniff out cell damage and disease.
The mammalian olfactory system recognizes diverse chemical stimuli conveying information about such things as food quality, the genetic identity or sexual status of potential mates, and even stress1, 2. An exciting paper by Rivière et al.3 (page 574 of this issue) describes the identification of a previously unrecognized type of chemosensory neuron in the rodent nose that responds to stimuli associated with cell damage, disease and inflammation.
- Steven D. Munger is in the Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, Maryland 21201, USA.
Email: smung001@umaryland.edu
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