Stanford, UCSF researchers home in on key gene in multiple sclerosis progression
...ading to symptoms such as muscle spasms, weakness, sensory deficits and visual disturbances. Two important pieces of evidence presented in the paper indicate that in an experimental model of MS, the degree of expression of osteopontin may be related to the severity of the disease. First, the researche...Lobster sniffing: how lobsters' hairy noses capture smells from the sea
...r the water and dye to penetrate into the brush of sensory hairs, maintaining much of the detail in the swirl...iments showed that water does not flow between the sensory hairs unless the antennule moves very rapidly - at the speed of the flick downstroke. What this mean...Women more susceptible to orthostatic hypotension
...uggests that important differences exist in either sensory afferent sensitivity or in the central integration and modification of reflex input signals. Sensory signals contributing to the HUT sympathetic response arise from cardiac chambers, aortic and carotid structures, and from vestibular receptors. Otoli...Fatty food triggers taste buds, new research finds
...s), and there was a control group that received no sensory stimulation at all. The study found that blood fat levels in the group that had been allowed to taste and smell the fat rose three times more than the control group. However, the study also found that blood levels rose as much in people who were wear...Gene triggers stem cell differentiation in the intestine
...rning differentiation of neuronal cells, including sensory cells in the inner ear. In the course of those earlier studies, we detected Math1 expression in the intestine, said Zoghbi. Its function there was unknown. However, we knew that the gut has a nervous system of its own, so we thought Math1 might b...Anti-depression 'pacemaker' demonstrates long-term benefits
...ain. The vagus nerve is a major nerve that carries sensory information to the brain from the heart and other internal organs. VNS was developed by Cyberonics, Inc. of Houston, Texas to treat epilepsy. The device was invented by Dr. Jake Zabara. While attending a Lamaze class with his wife, Zabara began wond...Study suggests way to short-circuit microbe communication
...or of the Nature paper. "The receptors act like a sensory organ and help the cell integrate and respond to m...l surface act in concert to "amplify and integrate sensory information." In their Nature paper, Kiessling and Gestwicki use a new type of signal, a synthetic m......sects and crustaceans achieve similar movement and sensory outcomes to humans. For example, finding food and selection of appropriate mates and nesting sites. Where humans use millions of neurons to achieve such outcomes, invertebrates do it with thousands. Where humans use hundreds, invertebrates may use...A 2,000 year-old technique may hold the key to acupuncture's therapeutic effect
...acupuncture needling known as "de qi." De qi has a sensory component, known as needle grasp, which is perceived by the patient as an ache or heaviness in the area surrounding the needle and a simultaneously occurring biomechanical component that can be perceived by the acupuncturist. During needle grasp, th......unctions, including learning, memory, behavior and sensory perception. Glial cells, on the other hand, play a more backseat role to neurons, acting mainly to support their activities. During development, billions of both cell types arise, but only a small percentage actually survive to form the adult brain....Pheromones control sex discrimination in mice
...ger necessary because the animal can rely on other sensory information." Also, said Dulac, the TRP2 -knockout mouse could allow the scientists to trace the neural circuitry by which pheromone signals enable the mouse to discriminate sex....Johns Hopkins scientists find brain's nose plug
...is getting stronger or going away, and it prevents sensory overload. Understanding this process should help us figure out how adaptation affects our perception of odors." Two papers published in the Dec. 8 issue of Science show that a protein called CNGA4 helps plug the "nose" of odor receptor cells -- neur...MCG researcher develops animal model for studying autoimmune disease
... myelin, ultimately resulting in loss of motor and sensory function. "Some people say it's a virus that triggers (the attack). But whatever triggers it, you start to attack your cells with immune-based weapons that rely on the whole system being switched on. In that situation, we would like to be able to swi...UNC neuroscience center awarded $1.7 million for nerve growth and regeneration studies
...ers and Stroke should lead to new knowledge of how sensory nerves develop and their response to injury."Throughout my career, I have been interested in the role of neuronal growth factors in the development of neurons. They appear to be part of the special capacity of mammals, including humans, to develop la...Movement without senses coded into neurons, says University of Toronto researcher
...alking of insects - is intrinsic, not dependent on sensory stimulation, says a University of Toronto neurobio... the neurons of central nervous systems or whether sensory input from the outside world helps organize those movements so that they are suitable to real life. ...Stanford researchers shine light on new genes involved in multiple sclerosis
... Eventually, the disease can lead to paralysis and sensory disturbances such as blindness or deafness. Steinman looked at which genes were being expressed in both acute and chronic attacks and compared them with the genes active in normal brain tissue. To do this, Steinman's team isolated messenger RNA from...Leprosy bug provides clues to early nerve degeneration
...ng the development of the spinal motor neurons and sensory neurons. Thus, Schwann cells play a wider role not only in the normal development of the nerve cells in the PNS, but also in their regeneration. Nerve cells in the PNS are able to regenerate after injury, unlike their counterparts in the central nerv......ese apparently random remembrances, triggered by a sensory cue representing only a portion of the original memory, appear to be dependent on a particular region of the brainthe CA3 region of the hippocampus, say researchers from Baylor College of Medicine in Houston, collaborating with others from the Massac...Scientist detail how brain regulates sensory information
...ns of higher animals and probably humans integrate sensory information and motor control signals in way that ...scientists' findings about how the brain regulates sensory inputs and motor outputs to accomplish those tasks are detailed in the June 13 issue of the journal ...40-year search is over: UT Southwestern researchers identify key photoreceptor in fungi
...oreceptor until now. "We hypothesized if the photo sensory domain of WC-1 was removed, all light- regulated p...eating an organism that lacked WC-1 putative photo sensory domain.Liu and his collaborators demonstrated that WC-1, like all known photoreceptors, is associate...