models 1 4

Tag: "models" at medical news

Lack Of Estrogen In Brain Tissue Of Women Can Lead To Alzheimer's

...of Chicago. Previous studies conducted on animal models have already revealed that deficiency of estrogen in the brain tissue can speed up the build up of ‘plaque’, which is a common characteristic of the disease. An analysis of the serum estrogen levels revealed lower levels of the hormone in both pati...

Guidant sold defective defibrillators with full knowledge

...ort-circuiting. But the company kept selling older models out of inventory even after an improved one was available. In its June 2002 assessment, Guidant described the flaws 'overall health risk index' as 'very low.' At about the same time that Guidant discovered the problem with the Prizm 2 DR, the comp...

Mobilizing Stem Cells at the Injured Site Using Hyperbaric Oxygen Treatments.

...e. When the experiments were conducted in animal models it showed that the movement of the stem cells was mainly due to the increase in the synthesis of nitric oxide in the bone marrow. This was then followed by the triggering of other enzymes which helps in the movement of the stem cells to the site of...

Stem Cell Research - Changing Wishes to Possibilities and Possibilities to Reality

...n though stem cell experiments conducted on animal models show much hope and promise in miracle cures, extreme caution has to be excised before this excitement can be translated to practical human clinicalapplications....

Metastasis of Neuroblastoma linked to Loss Of Caspase-8 gene

...oblastoma cells were implanted in the adult embryo models tumor metastasis to ovary, adrenal gland, kidney and liver were seen. These metastasizing cells were tested and they were found to have lost the expression of the caspase-8 gene. But this gene did not affect the growth of the tumor cells. One impo...

Chemical Signaling Helps Regulate Sensory Map Formation In The Brain

...ate their destinations in the map. Computational models of this process were developed twenty years later, in 1983, by Alfred Gierer. His models indicated that at least two counterbalancing signaling systems were required to push and pull the gr...

Calcium Receptor Vital For Stem Cell Migration to Bone Marrow

... migration. Studies conducted on transgenic animal models found out that the receptor played a very crucial role in the blood stem cell migration as expected. Transgenic mice that had deficient CaR receptors had low levels of blood stem cells. This observation was only seen in CaR receptor, proving the po...

Youngsters Take Their Example From Older Siblings

... sisters and brothers of a child are stronger role models than parents or friends // as far as habits like smoking and drinking are concerned. The younger children in a family tend to follow the example of their older siblings in such matters. Dr Abby Fagan of the University of Washington studied the rol...

Bipolar Risk Gene Identified

...ing unrelated patients, and therapeutic drug mouse models and a large number of samples. At the end they found that the gene responsible to increase the risk of this disorder to be the FAT gene. It codes for proteins which connect the brain cells. But the exact mechanism of how the gene (FAT) increases ...

Ward Off Aging With A Low-Calorie Nutritional Diet

...eing process. Although studies conducted on animal models show promising results, //conducting human studies have proven to a challenging task. However, a study by the Washington University School of Medicine in St. Louis, Missouri, and the Italian National Institute of Health in Rome shows that restricti...

UK Plastic surgeons cash in as cosmetic operations soar

...s. A generation of young girls have no other role models other than surgically enhanced glamour models such as Jordan. It's very sad." A clampdown on cosmetic surgery clinics was announced by the UK go...

Designer Rats Reveal Possible Heart Disease Genes

...unded this study. Scientists have been using rat models to study heart disease in the lab. But these studies have yet to answer key questions: Which genes, on which chromosomes, combine to cause this complex condition? How, and why, do some animals become hypertensive when consuming high-salt diets, while...

Leptin, The Next Generation Antidepressant?

... to it. They said that rats are the best animal models and especially CUS rats do not eat sucrose solution, which can be compared to the inability of man to enjoy his life (depression). CUS rats don’t explore open space and give up easily in case of forced swimming test. It was found that they had low...

microRNA And Its Role In Synaptic Regulation

...cessary ones. Greenberg experimented with animal models such as the rat said that miR-134 (microRNA) helps in altering the size of dendritic spines. Synapses occur at the junction of these dendrites. miR-134 decreases the spine size and weakens the synapse. When miR-134 was inhibited, spines increased in ...

What nurses learn is not what they practice

...Professor also feels the need to provide good role models and fewer, but higher quality, practice placements. Until the fundamental issue of an over-stretched nursing workforce is resolved, the gap between theoretically sound practice and actual care delivery would remain, she says. "As a profession we sho...

Dividing Nerve Cells Could Trigger Alzheimer's Disease

... study, researchers compared three different mouse models of AD to the brains of normal mice. They found that in the AD models, proteins related to cell cycle started appearing before amyloid plaques. Many of the neurons had increased chromosome number. The cortex and the hippocampus regions were the most a...

Gene for Schizophrenia identified

...the mice. By this way we can be sure that the mice models are the best models of humans to study the effect of psychosis associated with schizophrenia....

New drug compound to treat Alzheimer’s diseas

...ot leading to neurodegenerative diseases in animal models and the researchers are planning to do a clinical trial on human trials which would prove the efficacy of the drug...

Vaccine to protect birds against avian flu, engineered

...the deadly strain H5N1.// This vaccine in animal models offered complete protection to mice and chickens from infection. The vaccine contains a live virus, which is very efficient in producing an immune response than those prepared by traditional methods. It is cultured in cells and very easily produced i...

Prediction of malaria epidemics possible!

...s a computer ensemble of all the available climate models around Europe. The models are then used to make weather predictions up to four months ahead of time in tropical countries, whe...

1 2 3 4 5 6 7 8 9 10