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Tag: "dysfunction" at biology news

Thermal imaging shatters arousal gender gap myth

...n, said, "This will help diagnose and treat sexual dysfunction in women, such as female sexual arousal disorder, which is poorly understood." Kukkonen will present a paper on the findings Saturday at the Canadian Sex Research Forum conference in Ottawa. The Journal of Sexual Medicine will publish the paper in it...

Study of gene transfer for erectile dysfunction shows promise

... human study using gene transfer to treat erectile dysfunction (ED) shows promising results and suggests the potential for using the technology to treat overactive bladder, irritable bowel syndrome and asthma, according to the researchers. "In the small pilot study, this new therapy was well tolerated and safe,...

High dopamine transporter levels not correlated with ADHD

...d. One prominent theory of ADHD is that there is a dysfunction in brain circuits that depend on the neurotransmitter dopamine to modulate attention, motivation, and interest. If, for example, ADHD subjects have elevated levels of dopamine transporters ?proteins on dopamine-producing cells that take up excess dop...

A new jump start for aging blood vessels

...vating TNFa, which has been linked to blood vessel dysfunction and cell death. The related report by Csiszar et ...e features of vascular aging, such as blood vessel dysfunction and cell death, further confirming the role of TNFa in the aging of the cardiovascular system. Th...

New neurons could act to alleviate epilepsy

... neurons seems to develop in order to mitigate the dysfunction in the epileptic brain. These data provide further evidence for a therapeutic potential of endogenous neurogenesis." ...

Dragonfly's metabolic disease provides clues about human obesity

...w a non-mammalian species suffering from metabolic dysfunction in ways similar to humans. "Metabolic disease isn't some strange thing having just to do with humans," said Marden. "Animals in general suffer from these symptoms." The work is also novel because it links metabolic disease to a supposedly harmle...

Common cold virus leads to death in lung transplant patients

... leading to progressive respiratory failure, graft dysfunction and death. The two were part of a group of 11 transplant patients who suffered clinically significant respiratory infection from HRV in both the upper and lower airways, overturning the long-held belief that HRV affects only upper airway tissue. The...

Abnormal overexpression of p53 is a predictive molecular biomarker

...ut 11,000 patients will die. Many cancers have a dysfunction in the p53 pathway that regulates the cell cycle, helping to protect against cancer formation, but researchers estimate that more than 50 percent of head and neck tumors over-express p53 protein. That suggests a defect in protein regulation or that t...

Protein 'fingerprint' in spinal fluid could spot Alzheimer's disease

...ther proteins in the panel were linked to synaptic dysfunction ?the breakdown of communication between brain cells that occurs as Alzheimer's disease progresses. "A subsequent validation group of 10 patients with suspected Alzheimer's and 18 healthy and demented control subjects turned up similar results," sa...

'Erectile dysfunction' drugs heighten natural anti-cancer activity

... is one of a class of drugs used to treat erectile dysfunction in millions of men, and in recent years, its ability to stimulate the production of NO has been investigated by experts in diseases linked to the activity of blood vessels and blood components. The new Hopkins study homes in on a tactic used by ...

New technology to speed up research into Huntington's disease

...nition in animals with other types of neurological dysfunction such as Alzheimer's disease or prion disease, and particularly where motor deficits make cognitive testing difficult or impractical. Dr Morton said "we are pleased at just how effective the test was and already clinical trial companies are showing a...

PET imaging shows young smokers quick benefit of quitting

...kers and the recovery time of coronary endothelial dysfunction after giving up cigarettes," indicated Tamaki. Coronary endothelial dysfunction occurs when the heart's blood vessels aren't flexible enough to expand in response to increased bloo...

Prion disease treatable if caught early

...urodegeneration. Now the identification of earlier dysfunction helps direct the study of mechanisms of neurotoxicity and therapies to earlier stages of disease, when rescue is still possible. "Eventually it may also enable preclinical testing of therapeutic strategies through cognitive endpoints. These data n...

New insights into autoimmunity and depression

...epression in general and in central nervous system dysfunction in SLE in particular. Healthy female mice received injections, directly into the brain, of human anti-ribosomal P antibodies extracted from the blood sample of an SLE patient. For control purposes, equal numbers of mice were injected with norm...

Drug treatment improves learning in mice with Down syndrome symptoms, Stanford/Packard study shows

...ly open a new avenue for considering how cognitive dysfunction in individuals with Down syndrome might be treated." The center was created by researchers at Stanford and Packard Children’s in 2003 to rapidly translate research discoveries into useful treatments for people with Down syndrome. The research, whi...

The influence of the menstrual cycle on the female brain

...tes2, is crucial for neural coding of rewards. Its dysfunction can result in disorders such as addictions and is ...learning. They also important in understanding the dysfunction of the reward system observed particularly in cases of Parkinson's disease, schizophrenia, normal ag...

New measure of sexual arousal found for both men and women

...iagnose blood vessel blockage as a cause of sexual dysfunction in women, and may help identify those patients who... similar to those prescribed for men with erectile dysfunction from narrowed blood vessels." ...

How genetic malfunction causes a form of retardation

...roviding a potential explanation for the cognitive dysfunction and neuroanatomical perturbations observed in this disorder. Such a mechanism may well generalize to other syndromes where signaling pathways that are important for neural cell genesis are genetically perturbed.? The researchers speculated that “ge...

Erectile dysfunction in diabetes is due to selective defect in the brain

A new study sheds additional light on how erectile dysfunction (ED) interacts with diabetes. The study is another...S) ( www.The-APS.org ). Background Sexual dysfunction is a well-recognized consequence of diabetes mellitus in men. Erectile dysfunction, retrograde ejacu...

Researchers develop marker that identifies energy-producing centers in nerve cells

...such as to what extent does neuronal mitochondrial dysfunction contribute to Parkinson's or Alzheimer's. And, in a general way, we could look into whether there are changes in neuronal mitochondria as we age." Using advanced genetic techniques, the researchers have produced mice with fluorescent protein mar...

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