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Tag: "mimics" at biology news

How to lose weight and not go hungry: HU researcher develops drug that mimics feeling of 'fullness'

... and his associates have developed a compound that mimics the activity of the naturally occurring hormone called aMSH. This hormone is naturally excreted during eating and binds to a receptor in the brain called MC4R. When this “communication” occurs on a substantial level, the brain sends out a signal tha...

In mice, drug protects against diabetes and atherosclerosis

...bb, and elsewhere describe how a designer compound mimics many of these protective effects in mice, conferring substantial immunity to diabetes, heart disease, and other metabolic problems. This immunity takes place even if the animals are severely obese or have high amounts of cholesterol and consume dange...

Now, self-healing materials can mimic human skin, healing again and again

...nted by researchers at the University of Illinois, mimics human skin by healing itself time after time. The new materials rely upon embedded, three-dimensional microvascular networks that emulate biological circulatory systems. “In the same manner that a cut in the skin triggers blood flow to promote heali...

Enhancing activity of marijuana-like chemicals in brain helps treat

...esearchers tested a drug called quinpirole, which mimics dopamine, in mice with a condition similar to human Parkinson's disease, resulting in a small improvement in the mice. "That was sort of expected," said Malenka. "The cool new finding came when we thought to use drugs that boost the activity of ...

Mimicking how the brain recognizes street scenes

...and powerful is that, computationally speaking, it mimics the brain's own hierarchy. Specifically, the "laye... real-world images. "We put together a system that mimics as closely as possible how cortical cells respond to simple stimuli like the ones that are used in t...

Bacterial walls come tumbling down

...ic, which is another kind of sugar-lipid, probably mimics the lipid II molecule by tucking into a fold in the enzyme and taking up the space needed to bind to lipid II, the researchers believe. "We would like to see the enzyme in a complex with its natural substrates as well as with inhibitors," Lovering sa...

Synthetic peptide targets latent papilloma virus infections

...s. If such a peptide - or more likely, a drug that mimics the action of the peptide - works in the body, it would effectively stop the virus from spreading or generating warts, which can progress to cancer. "We're optimistic that this will work generally for many different genetic variants of human papill...

Biologically inspired sensors can augment sonar, vision system in submarines

... "Our goal is to develop an artificial device that mimics the functions and capabilities of the biological system." In fish, the lateral line provides guidance for synchronized swimming, predator and obstacle avoidance, and prey detection and tracking. Equipped with an artificial lateral line, a submarine...

An AIDS-related virus tricks cells to become tumors, new Penn study finds

...d that the viral LANA has an amino acid motif that mimics non-viral cell proteins usually involved in the ubiquitylation process," says Robertson. This motif, or stretch of amino acids, normally enables LANA to bind to tumor suppressors p53 or VHL, thus bringing them into the active ubiquitylation complex. ...

Train your brain to hear your friends at a party

...g in one ear which blocks some of the sound and so mimics a hearing loss. They then got the ferrets to perform the same task twice a day for two weeks and made a startling discovery. At first, the ferrets' ability to identify where the sound was coming from was dramatically reduced (because their spatial he...

Study illuminates how the plague bacteria causes disease

...elong to the genus Yersinia, harbor a protein that mimics an apparently unrelated mammalian enzyme. That copycat protein blocks host cells' capacity to change shape and move, abilities important for cells of the immune system to track down and "eat" foreign invaders, the researchers explained. The discove...

Edge density key to controlling gypsy moth spread

...ctor, not only does pulsed expansion occur, but it mimics the historic pulses of the gypsy moth population from 1960 to 2002 found in the quarantine records. Currently, the containment program for gypsy moths aims at controlling outbreaks outside the current population boundaries. The researchers suggest ...

Research holds promise for herpes vaccine

... theoretical standpoint, subunit vaccines are poor mimics of a natural virus infection," Halford said. "There's not enough there for our immune systems to build a protective response against the actual virus." Halford, 38, is aware that his approach is controversial. "This is where I'm young enough th...

Parkinson's mutation stunts neurons

...ations in the gene in an inherited form of PD that mimics the clinical and pathological features of the common sporadic form of the disease. LRRK2 stands for "leucine-rich repeat kinase-2," which means that the LRRK2 protein is an enzyme called a kinase--a biochemical switch that activates other proteins by...

UNC scientists solve mystery of how largest cellular motor protein powers movement

...tein causes defects in nerve cell transmission and mimics the symptoms of people with amyotrophic lateral sclerosis (ALS). ...

Dopamine drug leads to new neurons and recovery of function in rat model of Parkinson's

... results, researchers have shown that a drug which mimics the effects of the nerve-signaling chemical dopamine causes new neurons to develop in the part of the brain where cells are lost in Parkinson's disease (PD). The drug also led to long-lasting recovery of function in an animal model of PD. The findin...

New technology addresses female fertility preservation

...ks for preservation of fertility." The technology mimics the ovary and its environment. Follicles (each follicle has one egg) from mice were grown in vitro until fully matured by providing the follicles and eggs with the necessary hormones for development while maintaining their normal architecture. The eg...

Hopkins scientists show hallucinogen in mushrooms creates universal 'mystical' experience

... The agent, a plant alkaloid called psilocybin, mimics the effect of serotonin on brain receptors-as do some other hallucinogens-but precisely where in the brain and in what manner are unknown. An account of the study, accompanied by an editorial and four experts' commentaries, appears online today in ...

Neural stem cell gene plays crucial role in eye development

...SOX2 levels causes problems in these mice and this mimics the problems seen in humans," said Pevny. The scientist pointed out that the problem in eye development in these mice results from loss of SOX2 mediated maintenance of the neural progenitor cell population in the eye. According to Pevny, the stud...

Smooth sailing: 'cruise ship virus' tackled by UH, Baylor College of Medicine

...eft said. "If we can build a diagnostic tool that mimics something like the pregnancy test in speed and ease of use, we could create a platform for rapid detection of this virus and other pathogens." The tool Ruchhoeft and Willson are building will rely on the disease protein/antibody relationship that...

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(Date:8/25/2014)... Wash.Five years ago this month, one of the first ... Washington State University campus, striking some 2,000 people. A ... of data gathered at the time to gain insight ... the virus,s rapid spread across the university community., The ... cases came in to the university,s Health and Wellness ...
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Breaking Biology News(10 mins):WSU flu outbreak provides rare study material 2WSU flu outbreak provides rare study material 3Revolutionary handheld DNA diagnostic unit allows lab-quality analysis in the field 2Tilted acoustic tweezers separate cells gently 2
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