Humans

Yale researchers identify molecule for detecting parasitic infection in humans

Researchers at Yale, in collaboration with NIH researchers, have identified a specific protein molecule that is used by the immune system for detection of parasitic infections, leading the way for development of future vaccines to combat these infections. Published in the April 28 issue of Science Express, the study provides insight into understanding how infectious parasites interface wit...

Friendly bacteria in humans may protect against HIV

Scientists have identified good bacteria already living in some humans that target and trap HIV and may protect against infection. They report their findings today at the 2005 American Society for Microbiology Beneficial Microbes Conference. "I believe every life form has its natural enemy, and HIV should not be the exception," says Dr. Lin Tao, Associate Professor of the Department of Ora...

The lopsided brain: Attention bias is shared by humans and birds

When it comes to the world laid before us, our mind's eye has a bias. For reasons that are not entirely clear, during some tasks humans have a tendency to devote more visual attention to the left side of the visual world than the right side, a phenomenon known as pseudoneglect. Researchers now report that pseudoneglect is not restricted to humans but is shared by birds, suggesting not only that b...

Oldest cranial, dental and postcranial fossils of early modern European humans confirmed

The human fossil evidence from the Mladec Caves in Moravia, Czech Republic, excavated more than 100 years ago, has been proven for the first time, through modern radiocarbon dating, to be the oldest cranial, dental and postcranial assemblage of early modern humans in Europe. A team of researchers from the Natural History Museum in Vienna, from the University of Vienna in Austria and from t...

Retrovirus struck ancestors of chimpanzees and gorillas millions of years ago, but did not affect ancestral humans

The ancestors of chimpanzees and gorillas were infected with a deadly retrovirus about three to four million years ago, but there is no evidence it infected ancestors of modern-day humans, according to research by genome scientists. The virus struck after humans had split off the evolutionary tree from primates, researchers said. The infection may have played a role in the evolution of such great...

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UW shows why avian flu hasn't spread among humans yet

Although more than 100 people have been infected with the H5N1 avian influenza virus, mostly from close contact with infected poultry, the fact that the virus does not spread easily from its pioneering human hosts to other humans has been a biomedical puzzle. Now, a study of cells in the human respiratory tract reveals a simple anatomical difference in the cells of the system that makes...

Humans at Medicine News

First Vaccine Designed for Africa Cleared for Testing in Humans

The first AIDS vaccine candidate designed specifically for Africa will enter human trials this summer. The International AIDS Vaccine Initiative (IAVI) announced on July 11 at the 13th International AIDS Conference in Durban, South Africa, that the Medicines Control Agency (MCA) of the United Kingdom has approved Phase I testing of a DNA vaccine based on HIV subtype A, the most commo...

Water regulation in humans

Hopkins medical sleuths found that the absence of a certain protein interferes with the body's ability to regulate its water levels.Reported in the New England journal of medicine,it provides insight into how the kidney works.// The protein aquaporin-1has a definitive role in the normal functioning of the kidneys",says Landon King,lead author of the study.The study showed that ind...

FDA approves Phase 0 trial which tests experimental drugs on humans

Good news for researchers has FDA has approved testing of small quantities of experimental drugs in human beings. Approval of small quantity drug clinical trial will be very helpful for researchers to// understand the path of the drug in the body and its efficacy if the drug is proved effective in small quantities researchers can proceed with a phase I clinical trial. Researchers feel...

Humans Found To Have The Ability To Block Unwanted Memories

A new study shows there may be reason to believe we have a selective memory . It seems a mechanism in the brain may block unwanted memories. Researchers from Stanford University studied 24 volunteers // between ages 19 and 31. Participants were given 36 pairs of unrelated words and asked to remember them at five-second intervals. Researchers then divided the 36 word pairs into three sets of...

US Senate Votes against Testing of Pesticide on Humans

The US congress is considering whether to temporarily ban the Environmental Protection Agency (EPA) from using human tests to determine whether a pesticide should be marketed//. Lawmakers on Capitol Hill will soon decide whether to place a one year moratorium on the conduct and use of studies that expose participants to pesticides. In most cases, trials are conducted by companies seeking to have...

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NCI Researchers Discover Genes That Are Turned on at High Levels in Tumor-associated Blood Vessels of Mice and Humans

BETHESDA, Md., June 11, 2007--A team of researchers at theNational Cancer Institute (NCI), part of the National Institutes ofHealth (NIH), has uncovered a set of genes that are turned on, orexpressed, at high levels only in the blood vessels that feedtumors in mice and humans. These genes, and the proteins theyencode, are important new potential targets for novel drugs thatcould selectiv...