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Tag: "rodent" at medical news

Now, 'virtual' Mouse Brains Available on the Net

...ains-one from a normal animal and the other from a rodent missing a gene linked to mental abnormalities. These pictures show two colour-coded brain structures, the ventricles and hippocampus, showing different volumes resulting from specific genetic differences. National Center for Research Resources is f...

Key Signaling Molecules in New Teeth Formation Identified

...tin, contribute to the characteristic asymmetry of rodent incisors, which are covered by enamel only on their labial (front) side. Subtle variations in this or related regulatory networks may explain the different regenerative capacities and asymmetric development of various organs and animal species....

Bamboo Seed: Viagra and Food for Mizos

...e's local language. The seeds trigger a phenomenal rodent population explosion as the rats eat them and multiply, taking advantage of the abundant food supply in the wild. And people in Mizoram, in northeastern India, are taking the cue. A couple, Thara and Dawngi, had been married for nine years but had...

'Missing Link' Stem Cells may Shorten Path to Therapies

...cells, taken from the inner-most layer of week-old rodent embryos, will provide a better model in testing potential therapies for human diseases and injuries, the researchers said. "They are a missing link between mouse and human embryonic stem cells," Roger Pedersen, who headed a research team at Cambrid...

Antibody-based Therapies Effective at Controlling Malaria

...ficacy of human antibodies can be determined using rodent malaria parasites transgenic for P. falciparum antigens in mice and humans. An in vivo mouse model has significant advantage over the use of new world primates, the only other model for human malaria, which are labor-intensive and difficult to reprod...

Officials Indicted for Allowing a Fast Food Joint Teeming With Rats in New York to Function

...nt complaints and focusing too heavily on signs of rodent activity rather than conditions that fostered infe...mmediately, the DOI noted. The very next day the rodent invasion was captured on camera. She perhaps refrained from putting together a more comprehensive ...

Glucose Causes Death of Brain Cells in Rodents Following Hypoglycemic Coma

...mic coma is to give lots of glucose, fast. But our rodent model makes it clear that overshooting glucose lev...d NADPH oxidase as agents of oxidative stress in a rodent model of ischemic stroke. 'So far, the results are very promising,' he says. Source-Eurekalert SA...

Harmful Effects Of Glucocorticoids On Newborns Owing To Prenatal Exposure

...t to determine the relevance to human pregnancy of rodent and nonprimate data indicating that prenatal exposure to glucocorticoids (through either the administration of dexamethasone or severe maternal stress) has long-lasting deleterious effects. In the study, which appears online on March 22 in advance of...

South Africa: Nigerian Man Treated for Lassa Fever

...ls. The best known carrier of the Lassa virus is a rodent known as multimammate rat (Mastomys) that is commonly found in West African countries. The rats shed the virus in their bodily excretions. The virus can also be spread through direct contact with the blood, urine, faeces or other bodily secretion...

Explosion Of Rat Population Poses Health Threat In UK

...t for Environment, Food and Rural Affairs said the rodent population could be kept at bay by keeping bins covered and clean. PRI...

Handle Your Cute Pets With Care

..." Doctors advice caution while buying and keeping rodent pets and total refrain by people with weak immune systems as well as pregnant women. AN...

Smoking Out Rats from Fields to Mizoram’s Dining Table

...icurean delight//, but smoked rats? It's true, the rodent is much in demand in kitchens in India's northeastern Mizoram with some vendors in this capital selling as many as 200 smoked rats a day. Despite a government notification that rats are often killed by poisoning and therefore are unsafe to eat, smok...

Sleep Deprivation may Lead to Impaired Memory, Says Study

...production coincided with an increase in the major rodent stress hormone, corticosterone. We know that sleep deprivation is stressful, and that it impairs certain types of learning and memory. We concluded that sleep deprivation decreases neurogenesis by elevating stress hormones." The findings of this re...

Adolescent Smokers Have Greater Vulnerability To AUDs Than Do Non-Smokers

...cts of other drugs, as demonstrated by a number of rodent studies. "Studies like this will set up an alert – for those who consider adolescent smoking tolerable – to rethink the issue, or perceive the problem differently," noted Chen. "Although we do not know the exact causal relation between the two, th...

Plague Proteome Reveals Proteins Linked to Infection

...s are vectors for the disease and can spread it to rodent and human hosts. This study mimicked environmental conditions of Y. pestis in flea and in mammalian systems. The proteome is a survey of proteins in a cell. Lipton, Hixson and colleagues at the PNNL-based Environmental Molecular Sciences Laboratory...

International Collaboration Takes Aim at Rabies

...uses in culture. The antibody was then tested in a rodent model of disease, using rabies vaccine and the HuMAB 17 C7, which fully protected the animals from developing the fatal disease. Furthermore, monoclonal antibodies can be produced in large quantities, at much lower costs than blood products and ca...

The Dope on Alzheimer's – Does Marijuana Halt the Progress of Alzheimer's

...eriod of three weeks. The rats were subject to the rodent memory and learning test, by making them swim in a water maze. The study found that the older rats did not do a good job of making their way in the maze, akin to the brain process of an elderly human groping about in an unfamiliar terrain. But the r...

Super Chow, Laced With Semi-Synthetic Vitamin E, Inhibited Spread of Cancer

...they can treat melanoma, lung and breast cancer in rodent models. In this study, the Arizona researchers e...rting on the same day that they were injected with rodent mammary tumor cells known to spread quickly to the lungs and bones. The mice were allowed to eat as ...

Dustmites Might Bite Deeper

...cates a disorder in skin barrier thus leaving the rodent more susceptible to persistent allergens. The researchers have pointed out that dermatologists should take note of these findings which have provided substantial evidence to prove that skin allergies are indeed linked to dust mites. The statist...

Calorie Restriction May Prevent, Reduce Alzheimer’s Neuropatholog

...s, similar to that observed in squirrel monkey and rodent models of AD,” reported Mount Sinai researcher Dr. Pasinetti and his colleagues, who published their study, showing how restricting caloric intake based on a low-carbohydrate diet may prevent AD in an experimental mouse model, in the July 2006 issue ...

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