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Tag: "nerve" at medical news

Nobel Prize for Medicine shared by Three scientists

...concerning one type of signal transduction between nerve cells, referred to as slow synaptic transmission," according to the award citation. The Nobel Assembly at Karolinska Institute said that these discoveries had been crucial for an understanding of the normal function of the brain and have resulted in...

Evidence Links Protein Damage to Neurodegenerative diseases like Parkinson's and Alzheimer's

...dence links oxidative damage in a protein found in nerve cells to the development of degenerative diseases of the nervous system, such as Parkinson's and Alzheimer's disease. The first study to provide this evidence, conducted by University of Pennsylvania researchers, was published in the November 3, 20...

Vaccine for Alzheimer’s diseas

...the brains of Alzheimer’s patients and killing the nerve cells. When Alzheimer’s mice are vaccinated with beta-amyloid peptide they develop antibodies against the protein, which sweep the brain clean of the plagues. Mice given the test vaccine developed fewer protein deposits in their brains compared w...

Nasal Spray Could Take Drugs Direct to Brain.

...ple, the olfactory system--the sense of smell--has nerve endings “that reach down to the nose.” The drug travels along those pathways directly to the brain, he said. This method, according to Frey, means the drug reaches the brain much faster than it would if it were administered into a vein. In this stud...

Alzheimer cure

...hat it is the lack of a signalling molecule called nerve growth// factor (NGF) which underlies this neuronal loss. In mice with experimental forms of these diseases, transport of NGF to these areas was impaired as the mice aged. What's more, infusing NGF into areas close to the vulnerable cells reversed ...

Action of nerve cells

...unctioning of the brain in humans and animals, the nerve cells must communicate with the neurons by releasi...e protein plays an importnat role in preparing the nerve cells to send these chemical signals. The experimented animals were paralyzed- unable to move, ea...

'Sweaty palms syndrome' can be cured by surgery

...ion and moved along the chest until it reaches the nerve associated with excessive sweating. The probe is also fitted with a cutter that is used to sever the nerve, thus stopping the signal from the brain to the hands. Since the nerves to the feet take a different route, the feet often continue to sweat a...

Drug abuse leads to long standing changes in the brain

... dopamine transporters (DAT) marks the presence of nerve cells that are part of a brain circuit that transmits signals using the chemical dopamine, which plays a role in movement control and feelings of pleasure. The researchers administered a battery of tests to assess attention, memory, mood, general int...

Treatment for Meniere's disease

...e of them surgical. An operation called vestibular nerve section - cutting a nerve in the middle ear - gave relief in 93 per cent of cases. There are more drastic forms of surgery, bu...

Gene therapy restores sight

...e for the retina's ability to translate light into nerve impulses.// In humans, LCA causes severe rapid onset of blindness, a process which begins before birth so infants are born partially blind. Bennett's team injected the eyeballs of dogs born with LCA with cells modified to contain the appropriate fun...

Diabetes on the rise

...ntre in Chennai showed that many had suffered eye, nerve or other tissue damage by the time diagnosis was made. More than a third of patients had high blood pressure, while 11.4% had developed coronary heart disease. Despite this impending threat, the World Health Organisation recently listed the biggest ...

Bupropion relieves nerve pain

...neuropathic pain (nerve pain).Neuropathic pain or nerve pain is commonly treated with tricyclic antidepres..., stabbing and shooting sensations associated with nerve pain. Now researchers at the University of Texas have revealed that bupropion SR (sustained releas...

For a Better Memory

...n. // The corpus callosum is the large bundle of nerve fibers that connects the two sides of our brain and is one of the last major brain structures to mature. A larger corpus callosum allows for more and better communication between both halves of the brain. Memory is divided into two categories. The ...

Research of Ritalin

...s believed to work by increasing the amount of the nerve transmitter dopamine in these parts of the brain.In some children the beneficial effects of Ritalin appeared to decline despite continued medication, he said, adding that there is an enormous need to study the long-term effects of Ritalin on the brai...

Left handed have better episodic memory

...ion, the growth of fatty protective sheaths around nerve fibres.In light of the findings, it would mean that a functional corpus callosum is critical in the formation of event memories and therefore expalin why its maturation in early childhood is at least partly responsible for the emergence of episodic m...

Women more susceptible to brain damage from ecstasy

...t dance drug, known chemically as MDMA, can damage nerve endings that release serotonin, a brain chemical t...g also appears to damage brain cells that transmit nerve signals. // In a study, scientists at the Academic Medical Center in Amsterdam have shown that wom...

Nasal Spray Could Take Drugs Directly to Brain

...ple, the olfactory system--the sense of smell--has nerve endings “that reach down to the nose.” The drug travels along those pathways directly to the brain, he said. This method, according to Frey, means the drug reaches the brain much faster than it would if it were administered into a vein. In this stud...

A boon to epileptics

...vity in one part of the brain, which overloads the nerve "circuitry" and causes seizures. The areas most usually affected are the temporal lobes, at the side of the brain and the frontal lobe. There are two types of fit. One, the partial seizure, is associated with a change in consciousness - often the onl...

Caffeine can induce epilepsy in newborns

... such as oxygen starvation, adenosine protects the nerve circuits from uncontrolled activity. ...

New treatment for depression

...hest, sends intermittent signals to the left vagus nerve in the brain. The device was originally used to treat patients with epilepsy. However, it was later found to have a positive effect on the part of the brain that regulates mood prompting these latest trials. Doctors at the universities of South Car...

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