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Tag: "conducted" at biology news

Association of herpesvirus with lung disorder questioned

...ost cases is not known. Dr. Katano and colleagues conducted their research using a design similar to that in the earlier study: a retrospective analysis of pathology specimens from a small number of subjects. They looked for evidence of HHV-8 in samples of lung tissue from 10 patients diagnosed with primary p...

Topical treatment shown to inhibit HIV and herpes simplex virus infection

...role in the sexual spread of HIV. The researchers conducted a prospective, randomized, double blind, placebo-controlled study among 20 HIV-infected women to assess the antiviral activity of PRO 2000 in cervicovaginal lavage (CVL) fluid collected before and one hour after administration of a single intravagina...

Growth in the sea comes down to a struggle for iron

...nkton bloom of any of the iron fertilization tests conducted to that date. The question that remains unanswered is why the diatoms showed signs of nutrient stress before the iron and other nutrients were used up. Wells and his colleagues think they may know. For clues, they have looked to a discipline that is...

Anti-bacterial additive widespread in U.S. waterways

...for almost half a century, according to ananalysis conducted by researchers at the Johns Hopkins Bloomberg Schoolof Public Health. The chemical, triclocarban, has been widely used fordecades in hand soaps and other cleaning products, but rarely wasmonitored for or detected in the environment. The new findings ...

Tiny particles could solve billion-dollar problem

...pollutants, trichloroethene or TCE. The research, conducted by engineers at Rice and the Georgia Institute of Technology, will appear next month in the journal Environmental Science and Technology, a publication of the American Chemical Society. "The advantages of palladium-based TCE remediation are well-doc...

Scientists Replicate Hepatitis C Virus in Laboratory

...), one of the National Institutes of Health (NIH), conducted the study, which appears in the Feb. 15, 2005 issue of Proceedings of the National Academy of Sciences (PNAS). “Until recently, research on this infectious disease has suffered from the lack of a robust in vitro model system,?says T. Jake Liang, M.D...

Cytoplasm affects the number of vertebrae in carp-goldfish clones

...g Chen, Ya-Ping Wang, Wei Hu, and Zuo-Yan Zhu, who conducted this work at the Institute of Hydrobiology, Chinese Academy of Sciences, in Wuhan, China, conclude that the egg cytoplasm, and not the genetic code of the transplanted nucleus, influenced this aspect of the skeleton as the cloned fish developed. The...

Iron Deficiency Sparks Dramatic Changes In Gene Expression

..., as well, to aneven greater degree. His study was conducted in yeast cells becausetheir genome is remarkably similar to that of a human cell. In fact,the Cth2 protein in yeast is quite similar to a family of threeproteins in humans. When the human proteins are substituted in place ofCth2 in yeast, they actual...

NYU Study Reveals How Brain's Immune System Fights Viral Encephalitis

...ht infection, others step in." The study was also conducted at NYU, by a post-doctoral fellow, Mark Trottier, Jr., PhD, now at Michigan State, and Beth Palian, currently a doctoral student at the University of Southern California. Recently, the West Nile virus has been responsible for a viral encephalitis ou...

Emory Eye Center Implants Its First Retinal Chips In Patients With Retinitis Pigmentosa

An expanded clinical trial conducted by Optobionics Corporation involving the implantation of a retina mircrochip has allowed Emory Eye Center and the Atlanta Veterans Affairs Rehabilitation Research & Development Center to implant the device in several patients. The patients all ha...

Leukemia Drug Breakthrough Study In New England Journal Of Medicine

...t Cancer Center & Research Institute, recently conducted a phase I/II trial of the experimental drug Revlimid showing promise as an innovative way to treat patients with myelodysplastic syndrome (MDS), a form of pre-leukemia. Given in pill form, Revlimid simultaneously blocks the growth of new blood vessel...

Sea skate experiment sheds light on human cell transport

...time University of Chicago collaborator, Goldstein conducted an experiment with the red blood cells of skates to understand how these skinny, graceful fish can swim from salt water to fresh water. For humans, such a drastic environmental change would prompt an equally drastic physiological change: Our cells wo...

Muscle-targeted gene therapy reverses rare muscular dystrophy in mice

...cular dystrophy, according to new research in mice conducted by medical geneticists at Duke University Medical Center. Infants born with the inherited muscular disorder called Pompe disease usually die before they reach the age of two. The researchers also said their approach of targeting corrective genes to m...

Enzyme shown to help protect genomic stability

...of the genome. A report on the research, which was conducted in yeast, appears in the February 18 issue of Molecular Cell. "There are regions of the genome that have to be inaccessible," says Shelley L. Berger, Ph.D., the Hilary Koprowski Professor in the gene expression and regulation program at Wistar and s...

Weill Cornell Research Reveals Secrets Of Trafficking Within Cells

... kicks endocytosis into high gear." The study was conducted in fibroblasts, a kind of cell used in many cell-culture experiments. But Dr. Ryan said the findings have broad implications for cells throughout the body, including those closely tied to brain disorders, cardiac illness, and other major conditions. ...

Elephants imitate truck noises, other animals

...h shared associations. Recent playback experiments conducted by Karen McComb of Sussex University have shown that elephants can remember the calls of a large number of other elephants. The new findings suggest that elephants, like parrots, bats, and dolphins, may use vocal learning to develop new communication...

Elephants imitate sounds as a form of social communication

...h shared associations. Recent playback experiments conducted by Karen McComb of Sussex University have shown that elephants can remember the calls of a large number of other elephants. The new findings suggest that elephants, like parrots, bats, and dolphins, may use vocal learning to develop new communication...

Introduced foxes transformed vegetation on Aleutian Islands from lush grasslands to tundra

...accompanied by a small army of student assistants, conducted extensive surveys on the islands for several weeks each summer over three years. They surveyed dozens of islands from one end of the archipelago to the other. Estes said the differences were striking between fox-free islands and fox-infested islands ...

Gene Therapy For Parkinson's Disease Moves Forward In Animals

... Amgen, the world's largest biotechnology company, conducted the trials and later halted use of the drug because of safety concerns, creating an outcry from hopeful Parkinson's patients. But the gene therapy used in monkeys represents a different way to deliver the GDNF to the brain, causing the body to produ...

New protein discovered by Hebrew University researchers

... solvents or detergent solutions. Theresearch was conducted at the Hebrew University's Faculty ofAgricultural, Food and Environmental Quality Sciences in Rehovot byProf. Arie Altman, head of the faculty's Institute of Plant Sciencesand Genetics in Agriculture, and Prof. Oded Shoseyov, with theparticipation of...

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