Sodium in Biological News

System that regulates blood pressure is amiss in some healthy, young blacks

... supposed to be suppressed so you urinate out more sodium and the blood pressure goes down in response," ... levels of the hormones it uses to help regulate sodium excretion, the system which worked essentially ... produces aldosterone, a hormone that can increase sodium retention, also was ruled out because ...

Research suggests vegetable juice may help people with metabolic syndrome lose weight

... 19, 2009 Drinking at least one glass of low sodium vegetable juice daily may help overweight people ... participants who drank at least 8-ounces of low sodium vegetable juice as part of a calorie-controlled ... keeping saturated fat, total fat, cholesterol and sodium in check. Two of the groups were given ...

Study suggests salt might be 'nature's antidepressant'

... in their research that when rats are deficient in sodium chloride, common table salt, they shy away from ... water. Once on land, the body continued to need sodium and chloride because minerals play key roles in ... ocean. "Most of our biological systems require sodium to function properly, but as a species that ...

Study: Fluid buildup in lungs is part of the damage done by the flu

... events that ultimately shut down the transport of sodium from airways to the blood. All of these ... airways in the lungs. Under normal conditions, sodium is absorbed from the lungs into the blood and ... by the kidneys. But in infected lungs, when the sodium channels are damaged, more and more fluid builds ...

U of Minnesota research finds most road salt is making it into the state's lakes and rivers

... Road Research Board. Nearly 350,000 tons of sodium chloride, commonly referred to as road salt, are ... as already impaired by chloride. Increases in sodium and chloride have been shown to decrease the ... that rely on an aquatic system. Increases in sodium and chloride have also been shown to increase ...

Researchers may have found why women have an edge on salt-sensitive hypertension

... system is a decision maker about how much sodium to keep and how much to excrete." As with Dr. ... salt," Dr. Pollock says. The body gets the sodium it needs from food and a healthy kidney should be ... kidneys compared to males and actually increases sodium excretion without increasing blood pressure. ...

Cutting salt isn't the only way to reduce blood pressure

... MAYWOOD, Ill. -- Most people know that too much sodium from foods can increase blood pressure. A new ... stronger predictor of cardiovascular disease than sodium or potassium alone. "There isn't as much ... intake of potassium and lower consumption of sodium seems to be more effective than either on its own ...

Epilepsy drug shows potential for Alzheimer's treatment

... in the brain linked to many forms of dementia. sodium valproate - which is marketed as the anti-seizure ... a generation unless new treatments are found. sodium valproate has been used for many years to ... simple to stimulate the expression of NEP with sodium valproate, which was seen to prevent the ...

Site used by sodium to control sensitivity of certain potassium ion channels

... School of Medicine researchers have uncovered how sodium is able to control specific potassium ion ... researchers examined the interaction between sodium and a group of potassium channels known as Kir ... are sensitive to sodium, but had not shown how sodium is coordinated by specific amino acids found in ...

Athletes' 'sweat and tears' linked to asthma

... the net sweat fluid excretion and net sweat sodium excretion, with sodium excretion rates being higher in subjects who were ... increased incidence of EIA and diminished sweat sodium excretion, they speculate that the mechanism ...

Blood pressure response to daily stress provides clues for better hypertension treatment

... studies identified this impaired stress-induced sodium natriuresis. He believes it's also a primary ... the rats' diet and see whether stress slows down sodium excretion. Preliminary evidence suggests it does. ... antagonist, which blocks this hormone, and see if sodium excretion improves. He'll also see how a high-fat ...

N.Y. research team discovers how antidepressants and cocaine interact with brain cell targets

... revealed a finely-tuned process in which two sodium ions bind and stabilize the transporter molecule ... throughout the structure, allowing one of the two sodium molecules to move inward, and then release the deeply bound messenger and its sodium partner into the cell. In the bacterial ...

CO2 increase in the atmosphere augments tolerance of barley to salinity

... in their nutrition will occur due to excess sodium and chlorine (components of salt) and due to lack ... CO 2 levels would enable less chlorine and sodium to be accumulated in the tissues of the barley ... that CO 2 does not mitigate the accumulation of sodium in the tissues, despite the plant showing greater ...

New study casts further doubt on risk of death from higher salt intake

... disease (CVD) associated with lower sodium diets. They report their findings in the advance ... who reported consuming the lowest amount of sodium were found to be 80% more likely to die from CVD ... that for the general adult population, higher sodium is very unlikely to be independently associated ...

New clues to how proteins dissolve and crystallize

... Hofmeister himself discovered that sodium salts-out egg white protein more efficiently than ... spend a lot of energy pumping calcium and sodium out of cells and pumping potassium in." Computer simulations and quantum calculations of how sodium and potassium bind to proteins were performed by ...

Opening a channel for salt retention

... activate a key protein involved in balancing sodium levels, paving the way for drugs that can treat ... and related conditions. The human epithelial sodium channel (ENaC) controls sodium flow across many tissues such as the lungs, ...

New mineralogical techniques contribute to prevent national heritage damage

... of treatment in highly soluble salts, such as sodium and magnesium sulphates, as well as sodium nitrate, which can usually be found in historic ... alteration phenomenon due to crystallization in sodium sulphate, magnesium ...

UCLA researchers solve decade-old mystery

... amount of titanium to a well-known metal hydride, sodium alanate, not only lowers the temperature of ... group decided to take a step back and analyze the sodium alanate in its pure form, without added titanium. ... that would make for better storage systems than sodium alanate. We are still on the fundamental end of ...

AGU journal highlights -- Feb. 26, 2008

... 1. sodium glow reveals Mercurys comet-like tail ... the bright yellow-orange light emitted by the sodium atoms in the tail. The authors find that the ... analysis shows that the time of flight for the sodium atoms in the tail, from the time they are ...

Researchers' discovery may lead to hypertension treatment

... must be a natural hormone that could safely flush sodium out of the body and could be harnessed to develop ... or hypertension. Currently, drugs that lower sodium levels all have serious side effects because they ... door to developing novel medications to control sodium levels and treat hypertension. Frank Schroeder, ...

Caffeic acid inhibits colitis in a mouse model -- is a drug-metabolizing gene crucial?

... responses. But only caffeic acid protected against the dextran sulfate sodium induced colitis. Its novel mechanism related to CYP4B1 is being studied ... fed the various dietary components and then exposed to dextran sulfate sodium in a mildly irritating dose to induce colitis. Dr. Hendrich noted that ...

Hyperviscous fluids: Better treatment for severe blood loss

... humans and animals have evaluated hypertonic saline (up to 7.5 percent sodium chloride) versus isotonic saline (0.9 percent sodium chloride). Given intravenously, hypertonic solutions act like magnets, ...

New regulations tighten controls on restricted chemicals

... nitrate; nitric acid; nitromethane; hydrogen peroxide; potassium nitrate; sodium nitrate; potassium chlorate; sodium chlorate; and potassium perchlorate. The regulations take effect for ...

University of Pittsburgh cardiologists identify new cardiac arrest gene

... percent of cases with Brugada syndrome patients, mutations in the hearts sodium channels lead to less current flow and shorter heart beats in a part of ... while not an ion channel itself, is a trafficking gene that allows the sodium channel to find its way to the cell membrane. The mutation interferes with ...

Scientists closer to developing salt-tolerant crops

... this salty onslaught will have a significant impact on world food production." Professor Tester says his team used the technique to keep salt as sodium ions (Na+) out of the leaves of a model plant species. The researchers modified genes specifically around the plant's water conducting pipes ...

American Chemical Society's Weekly Presspac -- June 17, 2009

... New CAS Web site on everyday chemicals Whether you want to learn more about caffeine, benzoyl peroxide (acne treatment), sodium chloride (table salt), or some other familiar chemical, CAS Common Chemistry can help. The new Web site provides non-chemists and others with ...

Rosenstiel students come out on top

... in aquatic organisms. Working with Dr. Martin Grosell, he is using pupfish, Cyprinodon sp. , as a model organism to comparatively investigate the sodium transport mechanisms fish have evolved to osmoregulate in fresh water environments. Brix entered the Ph.D. program at the Rosenstiel School after ...

American Chemical Society's Weekly PressPac -- June 3, 2009

... New CAS Web site on everyday chemicals Whether you want to learn more about caffeine, benzoyl peroxide (acne treatment), sodium chloride (table salt), or some other familiar chemical, CAS Common Chemistry can help. The new Web site provides non-chemists and others with ...

American Chemical Society's weekly PressPac -- May 27, 2009

... concerned about high blood pressure sought to limit salt intake on the advice of public health officials. But finding a replacement for salt, or sodium chloride, is no simple task. One of the problems researchers face is lack of a detailed understanding of the basic biology of salty taste. But new ...

American Chemical Society's Weekly PressPac -- May 20, 2009

... New CAS Web site on everyday chemicals Whether you want to learn more about caffeine, benzoyl peroxide (acne treatment), sodium chloride (table salt), or some other familiar chemical, CAS Common Chemistry can help. The new Web site provides non-chemists and others with ...

Protein analysis methods, viral vectors featured in Cold Spring Harbor Protocols

... polyacrylamide gel electrophoresis (PAGE). Blue-native PAGE (BN-PAGE) allows a range of protein complexes to be visualized. When combined with sodium dodecyl sulfate PAGE (SDS-PAGE), the procedure can resolve the complexes and their subunits by their molecular weight. In conjunction with ...

New technology shows promise against resistant staph infections

... says Dr. Joel Friedman. The Friedmans solved the problem of controlled and sustained NO delivery by developing a method of generating NO from sodium nitrite within a novel nanoparticle formulation. The nanoparticles are stable when dry and resemble a fine white powder when present in large ....

Uncooperative voltage sensors

... unmask some of the previously inscrutable features of the allosteric communication among entwined Kv subunits and between the homologous domains of sodium channels." ...

Diabetics on high-fiber diets might need extra calcium, report UT Southwestern researchers

... and proportion of calories from carbohydrates, fats and proteins, as well as an equal amount of minerals such as calcium, phosphorous, magnesium, sodium and potassium. The high-fiber diet included numerous fiber-rich foods including cantaloupe, grapefruit, papaya, okra, winter and zucchini squash, ...

Ten genes identified in connection with sudden cardiac death

... medical theory. A number of the 10 genes help regulate human potassium channels in the heart muscle, reinforcing the idea that the balance of sodium and potassium moving in and out of the heart muscle is important, Abecasis said. "There's a couple where we don't really now what they do, so we're ...

Revealing new applications for carbon nanomaterials in hydrogen storage

... The researchers set out to understand the mechanism behind the catalytic effects of carbon nanomaterials, specifically on the example of sodium alanate, which is a popular material for hydrogen storage studies. "Now that the catalytic capabilities of carbon nanomaterials have been ...

Results of the third school nutrition dietary assessment study published

... that few schools provided lunches that met the recommendations in the 2005 Dietary Guidelines for fiber and none of the schools met the recommended sodium limitations. Also, she discusses the availability of competitive foods in public schools and how, regardless of whether children ate a school lunch, ...

Researchers create new class of fluorescent dyes to detect reactive oxygen species in vivo

... species measurements." Hydrocyanines are also simple and quick to synthesize, according to Coulter Department postdoctoral fellow Kousik Kundu. sodium borohydride is added to commercially available cyanine dyes and the solvent is removed the one-step process takes less than five minutes. W. ...

Rare disease provides clues about enzyme role in arrhythmias

... that by acting on CaM kinase II, you could directly affect pathways that cause unwanted developmental and neurological changes." "In contrast to sodium channels or potassium channels, there are very few diseases that cause mutations in calcium channels. Experts believe calcium is too important to ...

Calcium and vitamin D may not be the only protection against bone loss

... older adults." In this study, 171 men and women aged 50 and older were randomized to receive placebo or doses of either: potassium bicarbonate, sodium bicarbonate, or potassium chloride for three months. Researchers found that subjects taking bicarbonate had significant reductions in calcium ...