Why Chimps, Monkeys Don't Develop Alzheimer's

Study shows the plaques in non-human primates differ from those in humans MONDAY, May 25 (HealthDay News) -- Scientists have long noticed a curious phenomenon among primates: Humans get the devastating neurological disorder known as Alzheimer's disease, but their closest evolutionary c...

Vaccine Shields Monkeys From Simian Form of HIV

Scientists inject antibody-coding genes directly into muscles SUNDAY, May 17 -- Raising hopes for the development of an AIDS vaccine that might actually work, researchers report they were able to protect monkeys against infection with simian immunodeficiency virus (SIV), the primate ve...

College Kids and Monkeys About Equal on Math

It doesn't take language to do numbers, researcher explains FRIDAY, Feb. 13 (HealthDay News) -- Many primates are capable of basic math and pre-verbal "number sense," but it's the use of language to explain abstractions that allows humans to take math to much higher levels, says a Duke...

Subordinate monkeys more likely to choose cocaine over food

WINSTON-SALEM, N.C. Having a lower social standing increases the likelihood that a monkey faced with a stressful situation will choose cocaine over food, according to a study at Wake Forest University School of Medicine. More dominant monkeys undergoing the same stressful situation had fewer chan...

AVMA Urges Outlawing Trafficking of Chimps, Monkeys and Nonhuman Primates and Pets

SCHAUMBURG, Ill., March 11 /PRNewswire-USNewswire/ -- Citing concerns about the spread of disease and injury, inhumane treatment of animals, and ecological damage, Dr. Gail Golab, PhD, DVM, director of the American Veterinary Medical Association (AVMA) Animal Welfare Division, spoke on the dan...

Parasites a key to the decline of red colobus monkeys in forest fragments

Forest fragmentation threatens biodiversity, often causing declines or local extinctions in a majority of species while enhancing the prospects of a few. A new study from the University of Illinois shows that parasites can play a pivotal role in the decline of species in fragmented forests. This i...

Progression of SIV infection in monkeys raises

A sudden loss of T cells -- white blood cells crucial to the immune system -- is not the trigger for the onset of AIDS, according to a study published in the September 2007 issue of the Journal of Immunology by a team of researchers at Tulane National Primate Research Center. The study, Acute ...

Reduced diet thwarts aging, disease in monkeys

MADISON The bottom-line message from a decades-long study of monkeys on a restricted diet is simple: Consuming fewer calories leads to a longer, healthier life. Writing today (July 10) in the journal Science , a team of researchers at the University of Wisconsin-Madison, the Wisconsin Nationa...

Post-transplant combo can replace toxic immune-suppressing drugs in monkeys

Transplant patients rely on drugs to prevent graft rejection, but at the cost of serious side effects. The class of immunosuppressive drugs known as calcineurin inhibitors (examples are cyclosporine and tacrolimus) can damage patients' kidneys and lead to high blood pressure, among other problems....

Possible AIDS Treatment Shows Promise in Monkeys

It stops virus from fooling immune cells, researchers say WEDNESDAY, Dec. 10 (HealthDay News) -- Researchers report that a treatment under development appears to stop the equivalent of the AIDS virus in monkeys. Nine rhesus macaque monkeys infected with a virus known as SIV underwe...

Protein Nasal Spray Revives Sleep-Deprived Monkeys

A natural brain compound could help shift workers or those with narcolepsy, scientists say FRIDAY, Jan. 4 (HealthDay News) -- The naturally occurring brain protein called orexin-A may be key to undoing the negative mental effects of staying up all night, at least in monkeys. Orexin-A is a pep...

HIV Vaccine for Monkeys Increases Survival Rates

Novel studies, courtesy The National Institute of Allergy and Infectious Diseases (NIAID), suggest that even though a HIV vaccine may not offer the intended //protection against infection, yet it does offer a distinct survival edge for those vaccinated. Such a survival advantage was observed ...

Urban Monkeys Source Of Virus Infections

Asian Urban monkeys may be a source of various pathogenic viruses and the transmission of these viruses to humans are high due to contacts of humans with monkeys. Researchers from University of Washington// have undergone a test of isolation of different viruses from 20 urban macaques and the test ...

Evolution of HIV from African Greek Monkeys

According to new research from The University of Arizona in Tucson,monkey viruses related to HIV may have swept across Africa more recently than previously thought . A new family tree for African green monkeys shows that an HIV-like virus, simian immunodeficiency virus, or SIV, first infected ...

Chinese Eco-tourism Causing Infanticide Among Tibetan Monkeys

A new study by researchers has claimed that Chinas desire to promote eco-tourism is leading to the deaths of Tibetan monkeys in their infancy in the Mount Huangshan Scenic Area of the countrys Anhui Province. According to National Geographic, the skyrocketing infant mortality of Tibetan ma...

Stem Cell Transplants Ease Parkinson's Symptoms in Monkeys

Scientists have successfully eased the symptoms of Parkinson's disease in monkeys with the help of human stem cell transplants . During the course of study, published in the Proceedings of the National Academy of Sciences, the scientists isolated stem cells from the brains of aborted foetus...

Neural Stem Cells Reduce Parkinsons Symptoms in Monkeys

New Haven, Conn. Primates with severe Parkinsons disease were able to walk, move, and eat better, and had diminished tremors after being injected with human neural stem cells, a research team from Yale , Harvard, the University of Colorado, and the Burnham Institute report today in Proceedings of ...

Effectiveness of Potential Bird flu Vaccine to be Tested on Monkeys

The effectiveness of a bird flu vaccine against the deadly H5N1 variety of avian influenza virus will be tested on vaccinated and unvaccinated monkeys, by researchers at two universities.// According to researchers from Shiga University of Medical Science and Hokkaido University, the results ar...

Drug Company Admits Knowledge Of Side Effects In Monkeys

TeGenero, a German based drug firm that had manufactured TGN-1412, has now admitted that the drug had showed adverse effects//, when tested on monkeys. Four out of the six who were admitted to the intensive care unit of a London based hospital following the drug administration are recovering, accor...

Yerkes researchers propose ambitious new strategies for AIDS vaccine research

...immunodeficiency viruses (HIV-1 and HIV-2). More than 40 species of African monkeys are infected in the wild with SIVs. Yet, virtually none with the exception .... "Nature is giving us a message," says Silvestri. "Figure out how these monkeys can deal with the virus, and then maybe you can get humans to do the same t...

Social Stress Sends Body Fat to the Stomach

...s affects the development of heart disease, female monkeys were fed a Western-style diet that contained fat and cholesterol. The monkeys were housed in groups and naturally established a ...ate. The researchers noted that the subordinate monkeys were not included in group grooming sessions as of...

Learning Takes Place When You Get Things Right

...vironmental feedback to change in response to experience. In this study, monkeys were shown alternating images and were rewarded depending on whether they shifted their gaze to the right or the left. The monkeys used trial-and-error to determine the appropriate responses to the individu...

AIDS-like Illness Found in African Chimps

... the HIV-like infections in the chimps are somewhere between the viruses in monkeys (chimps are apes) that cause no disease and those in Asian monkeys and humans that do. "Understanding the relative differences will likely ...

New technique could sustain cancer patients' fertility

...p would be to investigate the viability of follicles from frozen tissue." Another component of the NICHD program is attempting to grow follicles of monkeys in culture. The ability to do research on mouse and monkey follicles might lead to advances that could later be used to perfect the technique's use w...

Lighter Meals May Bring Longer Life

...t a lower-calorie diet slowed the aging process in monkeys could be the best proof yet that restricted diets ...dn't work in some mice but it does seem to work in monkeys is surprising and it gives us hope." But there'...study as adults (aged 7 to 14 years). Thirty-three monkeys are still alive, 13 of whom are allowed to eat as ...

New Scientific Evidence Suggests Humans Resistant to Phthalate Effect on Lab Rodents

...nts were given to pregnant marmosets monkeys--which are primates-- and thus much more similar to humans than are rodents. Males born to the pregnant monkeys showed no gross testicular structural damage, and no other effects on the reproductive system development, male hormone levels, no hypospadias, which...

Press Releases on BPA Studies By-Pass Scientific Process

...h relevance is scientifically validated, should not be presented as evidence of health risks. "Most notably though, the study presented on rhesus monkeys appears to confirm that bisphenol A is efficiently converted after oral exposure to biologically inactive metabolites, which are then rapidly eliminat...

Studies Report More Harmful Effects From BPA

...rs, from the University of Missouri, had compared the blood level of BPA in monkeys given high doses of the chemical with average levels found in people in the... the American Chemistry Council. "Most notably though, a study on rhesus monkeys appears to confirm that bisphenol A is efficiently converted after oral exp...

AIDS Action Observes HIV Vaccine Awareness Day: Reason to Hope

...her candidates in clinical trials, and a new trial in the United States will soon begin. In this past year alone, six novel approaches being tested in monkeys have shown unprecedentedly positive initial findings. AIDS Action believes the horizon is bright. This HIV Vaccine Awareness Day, we must remind ...

Genetic risk for anxiety does not have to be destiny

... published by Elsevier, challenges this view. Investigators studied infant monkeys from four different rearing conditions to examine how social context and di...a low activity MAOA genotype. However, no genotype effects were evident in monkeys reared in larger social cages. There are some circumstances in a child'...

NIH May Ease Some, But Not All, Stem Cell Restrictions

...t pressure from scientists. And the guidelines forbid some types of research using human embryonic stem cells -- such as mixing them with embryos from monkeys and other primates, the AP said. Dr. R. Dale McClure, president of the American Society for Reproductive Medicine, said his group was "pleased" ...

New HIV Drug May Help Those Resistant to Therapy

... Study in monkeys finds that it reduces replication of the virus,,,, WEDNESDAY, A...ess of a molecule called D-1mT and anti-retroviral therapy (ART) in macaque monkeys with simian immunodeficiency virus (SIV), which is similar to HIV in humans...

Germicide Might Guard Against HIV Infection

...The findings were published in the March 4 online issue of Nature . The monkeys avoided infection. Four out of five other monkeys who weren't treated with the compound developed infections after being expo...

OHSU vaccine research targets HIV in the slower, early stage of infection

...look for and attack SIV in its early stages. In total, 12 rhesus macaque monkeys at the Oregon National Primate Research Center were vaccinated using this m...step for the research team is to try to determine why only a portion of the monkeys who are vaccinated using this method are responding. The researchers also h...

Pre-verbal number sense common to monkeys, babies, college kids

...ience at Duke University, studies how human adults and infants, lemurs, and monkeys think about numbers without using language. She's looking for the brain sys... what we'd call zero with our linguistically intensive sense of number. The monkeys are more likely to confuse an empty set with a 1 or a 2 than they are to co...

Growth factor protects key brain cells in Alzheimer's models

...dels, including transgenic mouse models of Alzheimer's disease; aged rats; rats with induced damage to the entorhinal cortex; aged rhesus monkeys, and monkeys with entorhinal cortex damage. In each case, when compared with control groups not treated with BDNF, the treated animals demonstrated significan...

Brain Protein May Have Potential Against Alzheimer's

..., aged rats, rats with induced damage to the entorhinal cortex, aged rhesus monkeys and monkeys with entorhinal cortex damage -- also showed long-term benefits. They began...

Researchers at Columbia University Medical Center link blood sugar to normal cognitive aging

... animal studies helped confirm the relationship between glucose and dentate gyrus activity; the researchers found the same association in aging rhesus monkeys and in mice. "Beyond the obvious conclusion that preventing late-life disease would benefit the aging hippocampus, our findings suggest that mainta...

Dogs Get Petty About Treats

...he University of Vienna in Austria, it had once been believed that this trait belonged only to humans. But previous studies have suggested capuchin monkeys and chimpanzees also express resentful behavior when there's not equal pay for equal work. However, in these species, the quality of the reward did ...

Hopes for AIDS Vaccine Still Alive Despite Setbacks

...lo said. Over at the University of Wisconsin, Madison, a group led by pathologist David Watkins has successfully tested a vaccine that has provided monkeys with protection from up to 20 different strains of the simian equivalent of HIV, using only T-cell mediated immunity. Similar experiments have pann...