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Tag: "animals" at medical news

Twin Brother may Reduce Sister's Fertility by 25 Percent

... saying. The researchers say that experiments on animals have shown evidence that testosterone may potentially damage female fertility. They, however, admitted that more research was needed to look at this mechanism in humans. "There is some evidence to support this observation. Exposure to testosterone...

Animal Research Uncovers Another Mechanism of Cholesterol Lowering Drug

New research in animals suggests why the commonly prescribed cholesterol-lowering drug ezetimibe (Zetia) is so potent. The research, reported by scientists at Wake Forest University School of Medicine, is reported online today by the Journal of Clinical Investigation and w...

Some Common Human Injuries Also Common in Dogs

... frequently performs orthopedic surgeries on small animals and repairs many different kinds of injuries. One injury Roush treats regularly is a cruciate ligament rupture, an injury common in large breed dogs, especially dogs that are very active, or in older dogs with arthritis. The rupture occurs when dog...

Scientists Establish Link Between Foie Gras and Disease

... AA amyloidosis. They found that a majority of the animals had developed extensive amyloid deposits in the liver, spleen, intestine, and other organs within a period of eight weeks. The researchers concluded that this and perhaps other forms of amyloidosis might be transmissible, like "mad cow" and other r...

Protein That may Prevent Eye Damage in Premature Babies Identified

...to one eye of each of nine mice before placing the animals into a high-oxygen chamber for five days. When scientists compared vascular growth within the retinas, they found blood vessels were closer to normal in eyes treated with IGFBP-3. When UF scientists repeated the experiment in 18 mice treated with b...

Novel Treatment Beneficial for Colon and Liver Cancer

...n that it slows tumor growth with respect to those animals subjected to other procedures. This diminishing of the cancerogenous area is possible, according to the scientist, thanks to the stimulation of the immune system, since the introduction of the correct gene in the diseased body can cause it to repair ...

Taking Animals Out of Laboratory Research

Pioneering work to reduce the use of animals in scientific research and ultimately remove them...ds, they will one day be able to completely remove animals from medical research while still maintaining crucial work to defeat diseases that affect millions ...

Estrogen Therapy Protects Against Fading Mental Powers: Study

...ny kind. On short-term memory tests, the younger animals performed equally well, regardless of whether they...higher density of spines seen in the brains of the animals treated with hormones suggests that estrogen allows for greater neuroplasticity. "The younger anim...

Scientists Find Evidence of Human-like Altruism in Chimps

... else the human version differs from that of other animals in important ways. But now, Felix Warneken and colleagues have found evidence that chimpanzees act altruistically toward genetically unrelated conspecifics. In two comparative experiments, Warneken and his team found that both chimpanzees and hum...

Gene Therapy Awakens the Brain Despite Blindness from Birth

...al, visual-pathway, and visual-cortex responses in animals born blind, and that it has the potential to do the same in humans. "The retina of the eye captures light, but the brain is where vision is experienced," Aguirre said. "The traditional view is that blindness in infancy permanently alters the stru...

Advancement in DNA Research may Bring Back Woolly Mammoth

...instructions. However, he is unsure whether the animals can be resurrected completely. 'Resurrecting these animals is for the most part science fiction,' said Paabo. 'Retrieval of DNA from ancient specimens is re...

Fishes Use Threat of Punishment in Mating Process

... being cast out, and perishing as a result. Many animals have social queues in which the smaller members wa...hats not so very different to how humans and other animals behave. Dr Wong said that experimentally it has always proved extremely difficult to demonstrate h...

Aspartame Probe Call Rejected by FDA

... added. The researchers tested on 4,000 rats. The animals were fed on high doses of the sweetener for its lifetime. It was found that the rats had several kinds of cancers. On the basis of the present findings, we believe that a review of the current regulations governing the use of aspartame cannot be del...

Galapagos on UN Endangered List

...o the archipelago. The 5,000 species of plants and animals create a vast living laboratory for scientists. There is a wide variety of unusual flora and fauna on the islands, much of it found nowhere else on the planet. "They are threatened by invasive species, growing tourism and immigration," the UNESCO's ...

Bamboo Seed: Viagra and Food for Mizos

...en experimenting on bamboo seeds and its impact on animals that feed on it, is sure of the powers of the seed. 'My experience convinced me that the seeds enhanced the fertility of rats. I don't know if it works on humans but I am sure it acts as a sex stimulant for rats,' C. Rokhuma said. Scientists ar...

Indian-born Australian Scientist Wins Award for Stem Cell Research

...ly the second one in the world, which does not use animals in any way," says Sidhu. Human embryonic stem cell lines are derived from specialised cells. These cells come from embryos donated by infertile couples that have agreed to let their excess embryos be used in stem cell research. Sidhu says: "Thes...

US to Detain Seafood Imports from China

... to be carcinogenic with long-term exposure in lab animals and also banned in China. China is the largest producer of seafood from aquaculture in the world, accounting for 70 percent of the total production and 55 percent of the total value of farmed seafood exported around the world. China is currently ...

Mice can Produce Embryonic Stem Cells Similar to That of Humans

...findings will make it easier to use mice and other animals to study human diseases, and can lead to new treatments for conditions such as diabetes and cystic fibrosis in as little as five years. Scientists say that the breakthrough will help them understand how human embryonic stem cells work, although th...

Canadian Mountain Bikers Hit by Bacterial Infection

...ase Control. "Campylobacter lives in the guts of animals and humans," she said, so infections usually stem from contaminated food, water or environmental sources. Along with testing the creeks where the race occurred, she said all 800 participants will be sent a survey relating to what they ate and drank...

Dutchman Rebuilds Noah's Ark to Spread His Faith

... Inside the enormous shipped is filled with wooden animals -- elephants, giraffes, apes -- to give people an ...f Noah. "It is difficult to imagine that all the animals that lived on the Earth were able to stay in this kind of space, that they lived here and were cared...

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