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Starvation in Medical News

Brain starvation as we age appears to trigger Alzheimer's

CHICAGO --- A slow, chronic starvation of the brain as we age appears to be one of the major triggers of a biochemical process that causes some forms of Alzheimer's disease. A new study from Northwestern University's Feinberg School of Medicine has found when the brain doesn't get enough sugar ...

EGFR protects cancer cells from starvation via a kinase-independent mechanism

Scientists have uncovered a previously unrealized mechanism by which the epidermal growth factor receptor (EGFR), a tyrosine kinase, promotes survival of cancer cells through a kinase-independent mechanism. The research, published by Cell Press in the May issue of the journal Cancer Cell, provides...

Arizona researchers to sequence West African rice strain

...ng future researchers. Those researchers will be needed, according to Wing and Rounsley. "We're all trying to solve a major world issue and prevent starvation in the future," Wing said. "This is a looming problem facing all of humankind." Rounsley added, "By studying a variety of crops in a variety of env...

21st Century Obesity Pandemic Still Suffering From Effects of Tuberculosis Plague of the 1800s

...June 23, 2009 -- Modern humans are a long way from starvation or pandemic infectious diseases like tuberculosis ...stroke. "We've come to the 21th century where starvation and tuberculosis are not a threat but we have main...The balance between the calorie savings to prevent starvation and calorie expenditures to fight microbial invade...

Herb May Offer Hope for Autoimmune Diseases

...ilar inhibition of Th17 cell formation. The researchers believe that halofuginone acts by activating a biochemical pathway known as the amino acid starvation response, or AAR, which typically protects cells when amino acids, the essential building blocks of proteins, are in short supply. When excess amin...

Study sheds light on angiogenesis inhibitors, points to limitations, solutions

...surgence after initial success with the angiogenesis inhibitors. They suspect that the increased invasion and/or metastasis is the tumor's response to starvation induced by the drugs. "A well vascularized tumor is well fed and happy," Hanahan says. "It has no driving force to become more invasive. We hypothe...

Muscling in on type 2 diabetes

... the Arnold Schwarzenegger body. The flipside is that producing too much myostatin has been linked with muscle wasting conditions such as HIV-AIDS, starvation and now, Type 2 diabetes. Hittel believes this may be due to a pre-diabetic condition known as insulin resistance that "tricks" the muscles into th...

Best Selling Weight Loss Expert Finally Answers The Question: Can You Achieve Permanent Fat Loss By Eating More and Exercising Less?

...ek will get them the results they want. It's really not any more complicated than that. So the way to start losing weight has nothing to do with starvation or exercising till they drop which many other weight loss plans focus on. "The fact is, eating small meals frequently throughout the day and ...

New model system may better explain regulation of body weight

...cuses on the pathway controlled by leptin, a hormone produced by fat cells that helps to regulate energy metabolism. Although low leptin levels are a starvation signal leading to increased food consumption and reduced energy expenditure, mutations that disable the leptin pathway are extremely rare. In fact, o...

Gut instinct: Salmonella bacteria's molecular tactics to cause illness

...ly impotent, its virulence severely attenuated. The bacteria lose their survivability within the macrophage environment, succumbing either to nutrient starvation or direct obliteration by host antimicrobial peptides. Shi suggests that the specificity of SlyA's activity within Salmonella 's regulatory univer...
Starvation in Medical Technology

NARSAD Researchers Identify Specific Genes and Family Traits Linked to Schizophrenia, Bipolar Disorder and Depression

...found that the incidence of schizophrenia among children born to women who were pregnant during these famines increased two-fold. But in most cases, starvation is not the problem. That is why Dr. Goff's team looked for other causes, including two genes: GCPII (glutamate carboxypeptidase II), which controls th...
Starvation in Medical Products

Leptin IRMA Test

Description:...important form of regulation to explain rapid changes in serum leptin levels that may occur. Some examples of rapid changes in leptin levels would be starvation and forced feeding where changes within 24 to 48 hours are readily observed in serum leptin concentrations. Similarly, there are rapid declines postp...
Company:Diagnostic Systems Laboratories, Inc.

Leptin Soluble Receptor ELISA Test

Description:... may explain rapid changes in serum leptin levels that occur as a result of starvation or forced feeding. Leptin may also play a role in other endocrine processes, including adaptation to starvation and the onset of puberty [6]. Recent studies have suggested that leptin is ...
Company:Diagnostic Systems Laboratories, Inc.

Leptin ELISA Test

Description:...important form of regulation to explain rapid changes in serum leptin levels that may occur. Some examples of rapid changes in leptin levels would be starvation and forced feeding where changes within 24 to 48 hours are readily observed in serum leptin concentrations. Similarly, there are rapid declines postp...
Company:Diagnostic Systems Laboratories, Inc.
Starvation in Medical Dictionary

Starvation

Starvation is a severe reduction in vitamin, nutrient, and energy intake, and is the most extreme form of malnutrition. In humans, prolonged starvation causes permanent organ damage and, eventually, death. The term inanition... More about Starvation : Causes and symptoms Treatment Progno...

Alcoholic ketoacidosis

...nes produced in humans are acetoacetic acid and β-hydroxybutyrate. Alcoholic ketoacidosis is a metabolic complication of alcohol use and starvation ... Alcoholic ketoacidosis causes nausea, vomiting, and abdominal pain. ... Alcoholic ketoacidosis is characterized by hyperketonemia and...
Starvation in Biological News

Growth hormone's link to starvation may be clue to increasing life span, researchers find

DALLAS June 27, 2008 Researchers at UT Southwestern Medical Center have determined that starvation blocks the effects of growth hormone via a mechanism that may have implications in treating diabetes and extending life span. "It's been well-established that growth is blunted during starvation...

Progression of retinal disease linked to cell starvation

BOSTON, Mass. (Dec. 7, 2008) Rods and cones coexist peacefully in healthy retinas. Both types of cells occupy the same layer of tissue and send signals when they detect light, which is the first step in vision. The incurable eye disease Retinitis Pigmentosa, however, reveals a codependent relatio...

Five surprising facts about starvation that could change the international agenda

While public attention gravitates towards conflict and natural disaster, many people in countries less affected by such events struggle with some of the same nutrition problems as those in crisis. In a "Viewpoint" published in The Lancet, Rainer Gross, PhD, UNICEF's chief of nutrition, and Patrick ...

Hormone helps mice 'hibernate,' survive starvation

A key hormone enables starving mice to alter their metabolism and “hibernate” to conserve energy, revealing a novel molecular target for drugs to treat human obesity and metabolic disorders, UT Southwestern Medical Center researchers have found. The starvation-fighting effects of the hormone, ...

Environmental cues control reproductive timing and longevity, University of Minnesota study shows

... by University of Minnesota researchers published in the June 25 issue of PLoS (Public Library of Science) One . The discovery, which explains why starvation can lead to longer life, has important implications for improving human health and lengthening lifespan. The basic premise is that individuals use ...

Open access research celebrated

... University of Zrich Imp-L2, a putative homolog of vertebrate IGF-binding protein 7, counteracts insulin signaling in Drosophila and is essential for starvation resistance Honegger B, Galic M, Khler K, Wittwer F, Brogiolo W, Hafen E, Stocker H Journal of Biology 2008, 7:10 (15 April 2008) http://jbiol.co...

Scientists gather to protect global food security from return of devastating wheat fungus

...Mexico, to develop highly productive, rust-resistant varieties that helped launch the Green Revolution. The work was credited with averting hunger and starvation for millions worldwide and earned Borlaug the 1970 Nobel Peace Prize. For decades, wheat varieties that were a product of the Green Revolution have ke...

Reverse evolution in real-time

...ed from the wild back in 1975. These ancestral flies were grown in the laboratory, for two decades, under different environmental conditions, (such as starvation and longer life-cycles) so that each population was selected for specific characteristics. Henrique Teotnio and his colleagues placed these population...

Global warming threatens Australia's iconic kangaroos

...s more unpredictable, habitats may become depleted of available pasture for grazing and waterholes may dry up," the authors write. "This may result in starvation and failed reproduction or possible death due to dehydration for those species that are less mobile." And although kangaroo species may be mobile ...

Neighbors from hell: Infanticide rife in guillemot colony

...ournal Biology Letters (1), indicate that social harmony even in long-established colonies can break down when conditions get tough, for example if starvation looms. The study highlights a previously unsuspected parental dilemma: should both leave their chick unattended and spend more time feeding, or should...
Starvation in Biological Technology

Arizona-Based SenesTech, Inc., Partners With Australia to Stop Starvation Due to Rice Shortages

SAN DIEGO, June 19 /PRNewswire/ -- A new chemical fertility control technology that could substantially reduce the devastating impacts of rodents on rice production in developing countries is being featured at the BIO 2008 International Convention in San Diego, California from the 17th through...

Prof. Mario Tredici Shared Views on Algae Projects with Algae Business Players at Algae World!

...m to a battery of tests to increase their lipid and biomass yields. Using a combination of laboratory tests and outdoor tests, he reveals how nitrogen starvation can increase algal lipid productivity. Prof. Tredici's also highlights areas of weakness, fundamental assumptions and misinformation on algae prod...

Neah Power Systems A seed stage venture capital model

...hat the company needed to focus on a narrow, but substantial application. This would be their key to success. More startups die of indigestion than starvation Rosen said. The mobile computing market seemed like the logical target. It offers a customer base measured in the tens of millions, and one that v...

High Yield Protein Production from Pichia pastoris Yeast: A Protocol for Benchtop Fermentation

...eep the DO level at the setpoint after the agitation speed reached the maximum allowable setpoint. After the growth phase, a half-hour carbon-source starvation period was established before the culture was switched to the production phase. The production phase (methanol feeding) was started after 4...

P. pastoris Fermentation using a BioFlo 110 Benchtop Fermentor

...oxygen showed a sudden rise above the setpoint, a well-known carbonexhaustion indicator. After all the glycerol was consumed, we allowed a brief starvation phase, then changed the feed to 100% methanol solution with 12 mL/L of PTM1 (trace metals) solution. Glycerol . . . . . . . . . .Pump 2...
Starvation in Biological Products

Porcine Leptin ELISA Kit from Diagnostic Systems Laboratories, Inc.

Description:...important form of regulation to explain rapid changes in serum leptin levels that may occur. Some examples of rapid changes in leptin levels would be starvation and forced feeding where changes within 24 to 48 hours are readily observed in serum leptin concentrations. Similarly, there are rapid declines postp...
Company:Diagnostic Systems Laboratories, Inc.
Starvation in Biological Definition

Anabolism

...organs and tissues. These processes involve "dismantling" of structural proteins for recycling for other purposes. Catabolic processes occur during starvation , stress and illness. Examples of catabolic processes include breakdown of muscle protein in order to use amino acids as substrates for glucone...

Anabolism

...organs and tissues. These processes involve "dismantling" of structural proteins for recycling for other purposes. Catabolic processes occur during starvation , stress and illness. Examples of catabolic processes include breakdown of muscle protein in order to use amino acids as substrates for glucone...

Human

...o food science .) Failure to obtain food leads to hunger and eventually starvation , while failure to obtain water leads to dehydration and thirst . Both starvation and dehydration cause death if not alleviated: human beings can survive f...
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