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Tag: "work" at biology news

Bioartificial kidney under study at MCG

...sis is given, it only replicates a fraction of the work of the kidneys, which are involved in diverse functions ranging from regulating vitamin D to modulating the immune response. "Existing forms of dialysis have only replaced the ability of the kidneys to rid the body of waste products and correct abnor...

Jump-starting T Cells In Skin Cancer

...g patients with tumor proteins. How these vaccines work and why they are only effective in some patients r...rnal of Experimental Medicine, that these vaccines work by increasing the number of immune cells called killer T cells that can attack the tumor. In an unex...

Molecular biology fills gaps in knowledge of bat evolution

...nd Biodiversity Research, Kent, U.K. "The present work advances our understanding of where bats originated, when they diversified and how different bat families are related to each other," Springer said. "It also quantifies the fraction of the fossil record that is missing for bats." The team, using DNA...

A new mechanism of regulating RNA degradation

...that many of the tools cells use to regulate genes work after transcription, by moderating the activity and the life span of the RNA itself. One major pathway for such post-transcriptional regulation is called nonsense-mediated decay (NMD). Originally NMD was thought to destroy incorrectly transcribed or...

FDA Approves Human Hookworm Vaccine for Phase I Safety Trials

...that many of the tools cells use to regulate genes work after transcription, by moderating the activity and the life span of the RNA itself. One major pathway for such post-transcriptional regulation is called nonsense-mediated decay (NMD). Originally NMD was thought to destroy incorrectly transcribed or...

Enzyme, lost in most mammals, is shown to protect against UV-induced skin cancer

...superior resistance to UV-induced skincancer. This work clearly points to CPD lesions as the majorintermediate in UV-induced cellular damage leading to non-melanoma skincancer. Importantly, it also suggests that photolyases may besuccessfully employed as a genetic tool to combat UV-induced skincancer....

Yellowstone microbes fueled by hydrogen, according to U. of Colorado study

...ost likely fuel source in these environments."This work presents some interesting associated questions," said JohnSpear, lead author of the report. "Hydrogen is the most abundantelement in the universe. If there is life elsewhere, it could be thathydrogen is its fuel," Spear said. "We've seen evidence of ...

Growth in the sea comes down to a struggle for iron

... of Energy are providing financial support. Field work got underway in July, 2004, when Wells served as c...l from another country. The American team went to work lowering equipment over the side to collect water samples. They analyzed water chemistry, nutrients,...

New, automated tool successfully classifies and relates proteins in unprecedented way

...machine learning, andbiomedical engineering. "This work should provide a more thoroughunderstanding of cellular processes that underlie disease."Using this approach to spot a protein cluster could help scientistsidentify a common protein structure that enables those proteins togather in one part of the ce...

New binding target for oncogenic viral protein

...iral replication and tumorigenesis. "I think this work underlines the importance of Fbw7 as an emerging tumor suppressor and the consequences of its loss in tumors," Dr. Welcker emphasized. "The study of DNA tumors viruses has been an extremely important tool in understanding the cellular pathways that ...

Lack of enzyme turns fat cells into fat burners

... Gu, Tattym Shaikenov,Subrahmanyam S. Chirala. The work was supported in part by by theClayton Foundation for Research and the National Institutes of Health....

Termites feed through good vibrations

...are defensive chemicals made by the plant. But our work shows that this is not the only method of assessment. There are many accounts of termites not consuming a piece of palatable wood." ### Listen to termites walking and chewing pine http://www.csiro.au/audio/termite_Feb05.mp3 Termite pictures: http:...

Elusive HIV shape change revealed; Key clue to how virus infects cells

...new findings may help pin down how these compounds work and hasten their development into drugs. "The findings also will help us understand why it's so hard to make an HIV vaccine, and will help us start strategizing about new approaches to vaccine development." The studies, performed in the Children's H...

Genome of deadly amoeba shows surprising complexity, evidence of lateral gene transfer

...ior author of the Nature study. He did most of his work on the E. histolytica genome while in his previous position at Sanger. Matthew Berriman of Sanger said, "The results give a fascinating glimpse of how this ancient parasite evolved and highlight unusual metabolic processes that may be exploitable as...

Newly-discovered class of genes determines ?and restricts ?stem cell fate

...ecessary for harnessing this potential. ### This work was supported by grants from the National Institutes of Health. Epstein's coauthors are Deborah Lang, Min Min Lu, Li Huang, Kurt A. Engleka, Maozhen Zhang, Emily Y. Chu, and Sarah Millar from Penn; and Shari Lipner and Arthur Skoultchi from the Alber...

Researchers Uncover Key Step In Manufacture of Memory Protein

...ular Neurobiology. The researchers published their work in the January 20 issue of Neuron. Specifically, the researchers discovered that the enzyme carboxypeptidase E, (CPE) is needed to deliver the early, or inactive, form of BDNF ?proBDNF ?to a special compartment in the neuron (nerve cell.) Once in th...

Scientists detect probable genetic cause of some Parkinson's disease cases

...s."In addition to Dr. Singleton, the collaborative work was spearheaded byWilliam C. Nichols, Ph.D., of Cincinnati Children's Hospital, TatianaForoud, Ph.D., of Indiana University Medical Center, Indianapolis, andNicholas W. Wood, M.D., of the Institute of Neurology in London. TheNIA and the NINDS are par...

Computers to be used to find blueprint for new influenza drug

...lliams, of the Department of Chemistry, will begin work in April on a project that could help pharmaceutic...lu to stop the disease developing. The drug would work by being chemically very similar to part of the protective coating around the cells in our throats t...

Ecological destruction fuels emerging diseases

...w to science. But Dr. Brooks argues that the real work has only just begun. The researchers still have a very poor to non-existent understanding of the roles these thousands of parasites play in different diseases, something that will require a detailed understanding of their often complex multi-host lif...

Study Links Ebola Outbreaks To Animal Carcasses

...fficials and wildlife researchers must continue to work together in monitoring the region's wildlife for signs of Ebola. Shortly after August 2001, participating agencies founded the Animal Mortality Monitoring Network in collaboration with Gabonese and Congolese Ministries of Forestry and Environment to ...

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