... the basal ganglia, a part of the brain structure, is the main cause of abnormal muscle constrictions of dystonia using a mouse model. They report their findings in Journal of Neuroscience, on Dec 17, ...
Dystonia is a neurological disorder characterized by involuntary abnormal muscle constrictions. The mechanism has not been well understood. Now, a Japanese research team has found that the decreased ...
... II, a potent hormone that triggers the condition and contributes to the development of cardiovascular disease by constricting blood vessels, causing blood pressure to rise. That’s why millions of ...
... to 31 mice whose hearts had been subjected to prolonged experimental hypertension created by constricting their aortas for four weeks.
Before and after treatment, heart function was monitored by ...
... oxygen lead to the brain injury. During an apnea episode, the brain's blood vessels constrict, starving its tissue of oxygen and causing cellular death. The process also incites inflammation, which ...
... lower blood pressure by blocking the angiotensin II receptor on the blood vessels that causes constriction and increase blood pressure. This medication also blocks the release of a hormone that causes ...
... the two groups.
It was previously believed that migraine headaches start with vascular constriction, which results in an aura, followed by vascular dilation that will lead to a throbbing headache. ...
... similar to those caused by coronary artery disease but which are primarily the result of the entrapment and constriction of this major artery.
Many patients have no symptoms and may be unaware that ...
... intermediary cells called astrocytes. By manipulating calcium levels, astrocytes can dilate or constrict blood vessels, depending on whether or not the cells are bound by neurotransmitters.
When a ...
... Academy of Neurology. The drug combines sumatriptan, a migraine-specific drug that affects the constriction of blood vessels, with naproxen sodium, a non-steroidal anti-inflammatory drug that works ...
... , autoantibodies are believed to bind and activate an angiotensin receptor that results in artery constriction.
Pre-eclampsia like symptoms were prevented when the pregnant mice were given agents ...
... release the inflammatory chemical histamine. Histamine causes several allergic symptoms, including airway constriction in the lungs, severe itching, hives and swelling, and is a major cause of asthma ...
... involuntarily. Valentino's research team mimicked the condition in an animal model by surgically constricting the outlet of urine from rats' bladders.
Building on their previous investigations of ...
... leaving the mother's blood vessel would trigger release of serotonin, platelets would aggregate, vessels constrict and the fetus wouldn't get what it needs," says Dr. Prasad. An MCG research team led ...
... been called the most devastating wildlife disease ever recorded," Wake said.
Global warming and habitat constriction are two other major killers of frogs around the world, Wake said. And the Sierra ...