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Tag: "published" at biology news

Transport System Smuggles Medicines Into Brain

...y Nogare, a parrot fancier from Snoqualmie, Wash., published in the Feb. 16, 2005 issue of the journal Biology Letters. Animals, like birds and fishes, commonly use biochromes like carotenoids to acquire red, orange or yellow coloration, but McGraw and Nogare found that these compounds are not responsible for...

Placenta Is A Rich Source Of Blood Stem Cells

...s been overlooked for so many years.'' The study, published in the March issue of the journal Developmental Cell, found that blood stem cells appeared in the placenta early, with numbers peaking mid-gestation. Only the fetal liver, where blood stem cells are known to expand tremendously, had greater numbers o...

Study shows nanoshells ideal as chemical nanosensors

...micaldetection by factor of 10 billionNew research published in the Proceedings of the National Academy ofScience finds that tailored nanoparticles known as nanoshells canenhance chemical sensing by as much as 10 billion times. That makesthem about 10,000 times more effective at Raman scattering thantraditiona...

Gene Vaccine Protects Mice Against Development Of Her2/neu Breast Cancer

...ent / surexpressed in breast cancer ]Their study, published in the online journal, Breast Cancer Research,on Nov. 29, 2004, showed that the vaccine protected 86 percent ofexperimental mice against HER2/neu-associated breast cancer, eventhough the tumors were implanted directly into mice. “This is an exciting...

A comprehensive response to HIV could prevent 10 million AIDS deaths in Africa by 2020

...ent / surexpressed in breast cancer ]Their study, published in the online journal, Breast Cancer Research,on Nov. 29, 2004, showed that the vaccine protected 86 percent ofexperimental mice against HER2/neu-associated breast cancer, eventhough the tumors were implanted directly into mice. “This is an exciting...

Same mutation aided evolution in many fish species, Stanford study finds

... to a Stanford University School of Medicine study published in the March 25 issue of Science, Mother Nature is more predictable than lab experiments suggest. In a diverse group of fish called the stickleback, nature took advantage of the same genetic trick time and again to allow freshwater species to shed t...

Papers of DNA Pioneer and Nobel Laureate Francis Crick Added to National Library of Medicine’s Profiles in Science Web Site

... features correspondence, lecture notes, draft and published articles, laboratory notebooks, and photographs from the Francis Crick collection at the Wellcome Library. Visitors to the site can view, for example, an early photo of Watson and Crick as research students at the Cavendish Laboratory, drafts of arti...

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

...sting birds made easy meals for the foxes. A study published this week in the journal Science now shows that the effects of the introduced foxes rippled through entire island ecosystems, transforming the vegetation from lush grasslands to scrubby, low-growing tundra. It turns out that the nutrient-poor volcan...

Scientists discover unique microbe in California's largest lake

...d light for photosynthesis,according to an article published in this week's online edition of theProceedings of...tenholz, and Canadian oceanographerWilliam Li, she published a paper in the journal Hydrobiologia in 2002that described five previously unknown species.The Salto...

Alcohol's effects on gene expression in the central nervous system

...brain function gene by gene. Symposium proceedings published in the February issue of Alcoholism: Clinical & Experimental Research address the effects of alcohol on what is called "gene expression" in the CNS regions of animal models. "All of our cells have exactly the same deoxyribonucleic acid (DNA), wh...

Potential Cure for Lymphoma in HIV patients

...elect patients withHIV-associated lymphoma will be published in the January 15, 2005,issue of Blood, the official journal of the American Society ofHematology.Because of the immunodeficiency associated with HIV, HIV-positivepatients are more likely to develop lymphoma than HIV-negativeindividuals, and the trea...

Deficiency of growth hormone and IGF-1 reduces cancer and kidney disease, but creates other problems

...olleagues reported in an article in Endocrinology, published on-line today. But the hormones also increase cancer and other diseases that limit lifespan. The researchers developed a strain of dwarf rats that were naturally deficient in both growth hormone and in IGF-1. To mimic the rise in growth hormone and ...

Research Gives Hope For Liver Damage

...eakdown and reabsorb the scarring. These findings, published in theJanuary edition of Journal of Clinical Investigation, will help doctorsto understand the mechanisms by which the liver is damaged and repairedand may lead to future treatments. Researcher Dr Jeremy Duffield explained: "The links between the im...

New SARS Protein Linked To Important Cell Doorway

...archers at Washington University in St. Louis have published insights into a new protein that could be an important contributor to the SARS virus' ability to cause disease and death. When the SARS virus first jumped from its still unknown animal reservoir to humans in late 2002, it caused approximately 800 de...

Nano-Probes Allow an Inside Look at Cell Nuclei

...ared that hurdle." Chen and Gerion's research was published in the 2004, Vol. 2, No. 10 issue of Nano Letters. Berkeley Lab is a U.S. Department of Energy national laboratory located in Berkeley, California. It conducts unclassified scientific research and is managed by the University of California. Visit ou...

NC State scientist finds soft tissue in T. rex bones

...sels and even cells are still present. In a paper published in the March 25 edition of the journal Science, Schweitzer describes the process by which she and her technician, Jennifer Wittmeyer, isolated soft organic tissue from the leg bone of a 68-million-year-old Tyrannosaurus rex. Schweitzer was intereste...

New studies suggest airborne SARS transmission is possible

...2003 outbreak in Toronto, according to a new study published in The Journal of Infectious Diseases. Another stu...in Clinical Infectious Diseases. Both articles are published in the journals' May 1 issues, and are now available online. The Toronto research was conducted by ...

Circles Of DNA Might Help Predict Success Of Stem Cell Transplantation

...ators at St. Jude Children's Research Hospital, is published in the journal Blood. This finding could help physicians predict whether children receiving such a transplant will experience either failure or significant delay in the reconstitution of the T cell population. Moreover, if the transplant is successf...

Ice core 'dipstick' indicates West Antarctic ice has thinned less than believed

...of a paper describing the research, which is being published online March 23 in Geology, a journal of the Geological Society of America. Co-authors are Howard Conway and Eric Steig of the UW; Richard Alley of Pennsylvania State University; Edward Brook of Oregon State University; Kendrick Taylor of the Desert ...

Study Models Impact Of Anthrax Vaccine

...esfor containing an anthrax outbreak. The study is published in theDecember 16, 2004, edition of Nature. TheHopkins researchers developed a probability model to predict how manycases of anthrax could be prevented under varying conditions. The studyfound that about 70 percent of anthrax cases could be prevente...

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