http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. When our noses pick up a scent, whether the aroma of a sweet rose or the sweat of a stranger at the gym, two types of sensory neurons are at work in sensing that odor or pheromone. These sensory neurons are particularly interesting because they are the only neurons in our bodies that regenerate throughout adult life—as some of our olfactory neurons die, they are soon replaced by newborns. Just where those neurons come from in the first place has long perplexed developmental biologists. http://medicalxpress.com/news/2013-03-biologists-olfactory-nerve-cells.html Neuroscience Mon, 25 Mar 2013 16:38:52 EST news283448324 Pity the poor maxillary sinuses. Those bulbous pouches on either side of the human nose are known more for trapping mucus and causing sinus infections than anything else. They were thought to be an evolutionary relic of our distant past, with little known present value. http://medicalxpress.com/news/2013-03-nose-unheralded-neighbor.html Other Tue, 12 Mar 2013 12:04:51 EST news282308685 A collaboration between researchers at the School of Biochemistry and Immunology and the Department of Microbiology at Trinity College Dublin has identified a mechanism by which the bacterium Staphylococcus aureus (S. aureus) colonises our nasal passages. The study, recently published in the prestigious journal PLOS Pathogens, shows for the first time that a protein located on the bacterial surface called clumping factor B (ClfB) recognises a protein called loricrin that is a major component of the envelope of cells in the nose and skin. http://medicalxpress.com/news/2013-01-bacterium-role-mrsa-colonises-human.html Diseases, Conditions, Syndromes Mon, 28 Jan 2013 08:09:35 EST news278582968 A collaboration between researchers at the School of Biochemistry and Immunology and the Department of Microbiology at Trinity College Dublin has identified a mechanism by which the bacterium Staphylococcus aureus (S. aureus) colonizes our nasal passages. The study, published today in the Open Access journal PLOS Pathogens, shows for the first time that a protein located on the bacterial surface called clumping factor B (ClfB) has high affinity for the skin protein loricrin. http://medicalxpress.com/news/2012-12-staphylococcus-aureus-nose.html Diseases, Conditions, Syndromes Thu, 27 Dec 2012 17:00:01 EST news275848959 The suffering caused by the loss of a nose must be indescribable. In terms of function, a sense of smell is perhaps less important than the ability to see, hear and eat - and we can breathe through our mouth or nasal cavity. But somehow, a missing nose elicits a more profound sense of shock in other people than the sight of an eye patch. http://medicalxpress.com/news/2012-11-3d-nose.html Other Thu, 08 Nov 2012 06:50:01 EST news271578304 A technique called the "mother's kiss" for removing foreign objects from the nasal passages of young children appears to be a safe and effective approach, found a study published in CMAJ (Canadian Medical Association Journal). http://medicalxpress.com/news/2012-10-mother-safe-effective-foreign-children.html Other Mon, 15 Oct 2012 12:00:01 EST news269499526 A common herbicide used in the United States may be linked to an increased risk of a congenital abnormality of the nasal cavity known as choanal atresia, say researchers at Baylor College of Medicine and other Texas institutions. http://medicalxpress.com/news/2012-09-exposure-herbicide-rare-disorder.html Pediatrics Fri, 28 Sep 2012 13:24:38 EST news268057473 (HealthDay)—Septorhinoplasty is associated with subjective improvement in nasal patency as well as increases in nasal volume and decreases in nasal resistance, particularly in those with severe obstruction before surgery, according to a study published online Sept. 10 in the Archives of Facial Plastic Surgery. http://medicalxpress.com/news/2012-09-subjective-post-rhinoplasty.html Surgery Fri, 14 Sep 2012 15:30:02 EST news266852836 (Medical Xpress)—A team of scientists from Johns Hopkins and other institutions report that restoring tiny, hair-like structures to defective cells in the olfactory system of mice is enough to restore a lost sense of smell. The results of the experiments were published online this week in Nature Medicine, and are believed to represent the first successful application of gene therapy to restore this function in live mammals. http://medicalxpress.com/news/2012-09-gene-therapy-mice.html Medical research Tue, 11 Sep 2012 07:50:10 EST news266568598 (Phys.org)—A small camera inserted into the body enables surgeons to perform many types of operations with minimal trauma. EU-funding enabled researchers to extend the use of such interventions to a variety of neurosurgical applications. http://medicalxpress.com/news/2012-08-high-tech-remote-controlled-camera-neurosurgery.html Other Fri, 24 Aug 2012 09:30:02 EST news265018550 Within the nasal cavity, millions of sensory neurons in a postage-stamp-sized patch of tissue called the olfactory epithelium control our sense of smell. Thanks to the exquisitely controlled expression of some 300 different olfactory receptor genes, each neuron can detect a small number of distinct volatile odorants. How these genes are regulated, however, has long been a mystery. http://medicalxpress.com/news/2012-05-gene-reveals-architecture-genes-responsible.html Genetics Fri, 18 May 2012 08:44:33 EST news256549451 Just like a road atlas faithfully maps real-word locations, our brain maps many aspects of our physical world: Sensory inputs from our fingers are mapped next to each other in the somatosensory cortex; the auditory system is organized by sound frequency; and the various tastes are signaled in different parts of the gustatory cortex. http://medicalxpress.com/news/2012-03-brain-odor.html Neuroscience Mon, 19 Mar 2012 15:00:01 EST news251375355 RMIT University researchers have developed computer models to design more effective nasal sprays to provide alternate drug delivery to needles or pills. http://medicalxpress.com/news/2012-02-aids-nasal-drug-delivery.html Medications Fri, 17 Feb 2012 08:52:32 EST news248691146 While an apple a day may keep the doctor away, new research published in the Annals of Family Medicine say that hot tea or coffee may keep the methicillin-resistant Staphyloccus aureus, or MRSA, bug away, or at least out of your nose. http://medicalxpress.com/news/2011-07-coffee-tea-consumption-mrsa.html Diseases, Conditions, Syndromes Fri, 15 Jul 2011 06:00:01 EST news229923558