Tag: "animal" at biology news
Climate change plus human pressure caused large mammal extinctions in late Pleistocene
... went extinct, serious consequences for many large animal
species that weathered the Pleistocene extinction ...e even greater today because of impoverished large animal
populations and surging populations of humans taking over former large-animal habitats. "Human activ...
Veterinary Memorial Fund transforms grief into promise
...the United States was one of thousands of bereaved animal
owners whose loss of a beloved companion has been ...significantly to discoveries that directly improve animal
health. It also contributes to human health by controlling or eliminating disease which can spread f...
Lycopene slows human prostate tumour growth in mice and combined with vitamin E is even better
...cer patients is now under way. The findings of the animal
study are being reported by Dutch research scientist Dr. Jacqueline Limpens at the EORTC-NCI-AACR Symposium on Molecular Targets and Cancer Therapeutics in Geneva. The study involved testing one low and one high dose of synthetic lycopene alone, o...
UT Southwestern receives $1.78 million grant for obesity research as part of NIH Roadmap initiative
...support translation of scientific findings made in animal
models to humans. Dr. Keith Parker, chief of endocrinology and director of the Jean D. Wilson Center for Biomedical Research, is lead investigator for the team studying central regulators of energy metabolism. The molecular biology of energy metaboli...
Chemical derived from vitamin-E shows early promise as cancer drug
...o prevent colon and breast cancers in preclinical animal
models. Mice in the study were treated with alpha-TEA for 21 days after an injection of mouse-derived mammary cancer cells that normally would have formed a tumor mass and spread (metastasized) to the animals' lungs. Regardless of whether alpha-TE...
Safety of isoflavones in dietary supplements targeted by Illinois initiative
...genistein promote the growth of cancerous cells in animal
models representative of postmenopausal women with... groups will conduct preclinical investigations on animal
models, looking for a balance of potential effectiveness and safety issues," Helferich said. "We wil...
Phase II trials of second-generation antisense cancer drug planned following successful early study
...ys, but we are optimistic. The drug worked well in animal
models and we hope that we will be able to see benefits akin to some of the other targeted therapies now in use."...
Cancer vaccine based on pathogenic listeria bacteria shows promise targeting metastases
...nged listeria bacteria is showing great promise in animal
studies, successfully treating new cancers that have spread into the lungs of mice. The mouse study, reported in the Sept. 21 issue of the journal Proceedings of the National Academy of Sciences by scientists at Cerus Corp. in Concord, Calif., empl...
Cardiac arrest may hinder ability to learn certain tasks
...tform, as well as how fast and how many meters the animal
swam during its search. By the end of this training phase, each mouse had learned where the platform was and could swim to it directly regardless of where the mouse was placed in the tank. All of the mice were reintroduced to the maze abo...
Gene clusters predict atherosclerosis severity, susceptibility
... The research team plans further studies in animal
mouse models of atherosclerosis to further refine their techniques. Since it is not practical to test samples of aortas in living patients, the also researchers hope to develop a way to correlate their findings in the aorta with possible markers in c...
USAID, Conservation International & Starbucks launch Conservation Coffee Alliance in Central America
..., yet harbor more than 60 percent of all plant and animal
diversity, and are under increasing threats according to CI. CI works directly with farmers to promote environmentally responsible growing practices such as water and soil conservation, crop diversification, and chemical fertilizer and pesticide redu...
Hidden diversity: DNA 'barcoding' reveals a common butterfly is actually 10 different species
...We might lament the local extinction of a plant or animal
but take comfort in the notion that the species lives on elsewhere. Well, what if that extinct animal
was the only example of a genetically distinct species, hiding inside a morphology similar to the su...
DNA barcode finds four new bird species
...y of animals, and that species in a broad range of animal
life, from flatworms to vertebrates, have distinct...A barcodes of known and newly discovered plant and animal
species, and to establish a public online database of DNA barcode sequences. The consorti...
'Gene chips' research in cotton could lead to superior variety
...n all annotated genes (approximately 30,000) of an animal
or plant genome. "DNA microarrays have broad applications in studying changes in gene expression and genomic structure in many biological contexts, including genetics, physiology, development and environment," Chen said. "With the help of comput...
Females may be more susceptible to overindulge 'sweet tooth' cravings than males
...n studied almost exclusively in males. In the new animal
study "Diet-induced hyperphagia in the rat is influenced by sex and exercise," Lisa A. Eckel and Shelley R. Moore (The Florida State University Program in Neuroscience and Department of Psychology) found that: rats overate when given access to a hi...
New fossil sheds light on old mystery
...rus' head would have initially looked like another animal
its own size, but by the time the fish was able to see Dinocephalosaurus' body, it would already have been lunch," Dr. LaBarbera said. "Dinocephalosaurus sheds new light on the evolution of protorosaurs and the functional morphology of these long-nec...
A long-necked sea predator from China described in Science
...d have increased throat volume enough to allow the animal
to swallow the pressure wave that it created as its head lunged forward though the water. By swallowing its own pressure wake that would otherwise signal its approach, the predator may have executed almost undetectable strikes at unsuspecting fish. ...
Cannabis may help combat cancer-causing herpes viruses
...ed. "We have not evaluated the effect of THC in an animal
model yet so we do not recommend people start using pot to prevent or treat cancers." In fact, Dr. Meveczky said, THC has also been shown to suppress the immune system so smoking marijuana could "do more harm than good" to patients whose immune syste...
Poplar DNA code cracked -- a step in combating global warming?
...nd thus trees as well, are also found in human and animal
life. But this research can also lead to particular applications in fields such as ecology. A thorough genetic knowledge enables researchers to modify trees genetically for the benefit of humankind and the environment. The genome sequence can contri...
Study explores gene transfer to modify underlying course of Alzheimer's disease
...ogy of the disease. Extensive studies in several animal
models, including primates, showed that NGF or NFG gene delivery to the basal forebrain prevented the death of the same group of cells (cholinergic neurons) which undergo severe degeneration and death in Alzheimer's disease patients. NGF restored atr...
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