Tag: "nitric" at medical news
Mayo Clinic finds effective test to determine treatment for chronic cough
... found that an asthma diagnostic test, the exhaled nitric
oxide test, is an inexpensive, quick and easy way ...-asthmatic eosinophilic bronchitis. The exhaled nitric
oxide test measures inflammation in the lungs' bronchial tubes. The patient breathes into an analyze...
Scientists learn how the brain 'boots up' to process information from the senses
... the researchers set out to understand the role of nitric
oxide, a small gaseous molecule with big roles in ... drug Viagra acts by slowing down the breakdown of nitric
oxide in the penis, leading to increased blood flow. The heart drug nitroglycerin is converted to ni...
Lung disease study hope for premature babies
...ronic lung disease can be halved if they are given nitric
oxide gas to breathe shortly after birth. Medics...way to go before we understand the best way to use nitric
oxide and the babies that could be most helped. "The intervention is very costly and this is only ...
Flavanol-rich cocoa improves blood vessel function in aging baby boomer study participants
...oa flavanols to influence the body's production of nitric
oxide, a key regulator of blood vessel tone. Compared to the younger subjects, the vessel responses of the older men and women were significantly more pronounced after drinking the flavanol-rich cocoa beverage -- suggesting that the consumption o...
Inhaled nitric oxide reduces lung disease in premature babies
oxide to the lungs of premature, very-low-birth-we...archers found no apparent adverse effects from the nitric
oxide up to 44 weeks of age. "Survival for premature infants has greatly improved over the years, bu...
Estrogen plays different role during stress in black and white teens
...." Estrogen influences blood pressure by releasing nitric
oxide, a vasodilator, and by blunting the response of the sympathetic nervous system the fight or flight response as well as angiotensin II, a vasodilator. Estrogen is believed to be one of the main reasons women have lower rates of heart disease t...
Children of diabetics show signs of atherosclerosis
...problem seems to be related to the availability of nitric
oxide, a key signaling chemical that triggers bloo...d after treatment with nitroglycerin, which boosts nitric
oxide levels in the blood. While physicians already are told to aggressively combat heart disease ri...
Studies to date say erectile dysfunction drugs affect other systems, mostly for the better
...evels of cyclic guanosine monophosphate (cGMP) and nitric
oxide (NO), biochemicals that promote smooth muscle relaxation and increased blood flow in erectile tissue. According to the article, PDE-5 inhibitors can be effective in treating erectile dysfunction even for many men who also have diabetes, those ...
Pick your COX partners
...o other enzymes, such as the lipoxygenases and the nitric
oxide synthases, in ways that prompt us to re-evaluate basic assumptions about the role of COX enzymes in physiology and disease." "Perhaps this combination of COX enzymes will represent a new drug target," speculates Funk. "Blocking the COX dimer ma...
Some patients with heart attack shock survive years after aggressive treatment
...ing a trial to determine whether a compound called nitric
oxide synthase inhibitor can help shock patients by targeting excess nitric
Researcher wins award from American Diabetes Association
...idative stress also reduces the bioavailability of nitric
oxide (NO). NO signals muscle within blood vessels...on the way to creating new drugs that release more nitric
oxide when needed to prevent cardiovascular disease in patients with diabetes. "Diabetes is on the r...
New insights into the impact of injury on cartilage cells
...however, was the leukocytes' generation of noxious nitric
oxide (NO). Is there a way to stop the leukocyte-mediated murders of chondrocytes? To explore this critical question, the researchers conducted more experiments on the dog bone cultures. They found that the killing of cartilage ce...
Hypertension drug may restore cardiovascular function in African Americans
...he cardiovascular system and can restore levels of nitric
oxide and reduce oxidative stress. A deficiency in nitric
oxide and high oxidative stress can cause a variety of health problems, including heart attacks, str...
Marijuana compound may help stop diabetic retinopathy
...e or outside of cells start to malfunction. Excess nitric
oxide and superoxides are produced, which are toxic to the cells. Another irony is the heightened activity increases the retina's need for oxygen. "We are talking about nerve cell death," Dr. Liou says. "In the retina, if a lot of our nerve cells die...
Use of statins shows improvement in erectile performance of some men
...of Pennsylvania. "Normal erections are caused when nitric
oxide is made, but with endothelial dysfunction, t...mally, Viagra prevents the breakdown of the little nitric
oxide that is there, so that there is enough of it for an erection to occur." However, about 10-30 %...
JCI table of contents, January 26, 2006
...rmined by the ability of the body to convert it to nitric
oxide (NO), a process that requires the enzyme mitochondrial aldehyde dehydrogenase-2 (ALDH2). Li Jin and colleagues at Fudan University in China now show that the reason some Asians have trouble responding to GTN is that 3050% of this population pos...
Common bacteria pirate natural mechanism to get inside cells
...o have found that the short-lived, ubiquitous gas, nitric
oxide, is a primary enabler for receptors and path...illions of receptors on the cell surface. "Adding nitric
oxide to dynamin changes it from an inactive protein inside the cell to the active protein that medi...
Heart-healthy compound in chocolate identified
...dwellers had more than twice the levels of urinary nitric
oxide -- a chemical compound already known to be a...udy the researchers demonstrated that: Levels of nitric
oxide in the blood were higher in individuals who drank flavanol-rich cocoa, compared to those who d...
New cocoa evidence on why plant foods are beneficial to cardiovascular health
...sponse mediated by cocoa flavanols is dependent on nitric
oxide, a key signal released by the inner lining o...iving the (-)epicatechin had vessel relaxation and nitric
oxide responses similar to those experienced following the consumption of the flavanol-rich cocoa dr...
Blocking previously unrecognized links between inflammatory systems could make COX-2 inhibitors safe
... Solomon H. Snyder, M.D., said the iNOS (inducible nitric
oxide synthase)-based inflammation pathway has now been found to cross-link with the more well-known COX-2 pathway that is the target of COX-2 inhibitor drugs such as Vioxx. Until now, these two major inflammatory mechanisms were assumed to be unrela...
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