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Stem cells: home of HIV?

By | March 7, 2010

Human immunodeficiency virus (HIV) can infect bone marrow cells -- including, possibly, hematopoietic stem cells, according to a study published online today (March 7) in Nature Medicine. Human Immunodeficiency VirusImage: Wikimedia commons, NIAIDThe findings suggest the virus can hide in an inactive state for long periods of time, evading treatment, even in individuals without detectable viral loads. "It's a little bit surprising to see that [HIV infects] progenitor cells, and [possibly] ste

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Painting climate change

By | March 5, 2010

In a remarkable union of science and art, landscape painter linkurl:Diane Burko;http://www.dianeburko.com/ shows how the planet's glaciers have changed form over the last century in her latest exhibit linkurl:"Politics of Snow.";http://www.locksgallery.com/exhibits.php?eid=74 To tell the story, Burko tracked down glaciologists from the US Geological Survey's linkurl:National Snow and Ice Data Center;http://nsidc.org/ at the University of Colorado, Boulder, and others. She then painted a series

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AZ cuts hundreds of scientists

By | March 4, 2010

Drug maker AstraZeneca is pink-slipping approximately 550 Wilmington, Delaware-based researchers and their support staff in a move to help balance the company's books and save it $1.9 billion per year by 2014. Image: B.gliwa via Wikipedia CommonsThe company told the linkurl:__Philadelphia Inquirer__;http://www.philly.com/philly/business/86127882.html yesterday (March 3rd) that the layoffs are part of a plan to shutter an entire research group, focused on identifying candidate compounds for psyc

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Brain cells' new role defunct?

By | March 4, 2010

New findings are challenging the current understanding of how non-neural brain cells contribute to brain signaling, by showing that calcium levels in these cells do not affect synaptic activity. An astrocyteImage: Wikimedia commons, DantecatThe results appear in this week's Science. In the past couple of years, the idea that these non-neural brain cells, known as glial cells, participate in neurotransmission "had been widely accepted," linkurl:Frank Kirchhoff,;http://kirchhoff-lab.de/index.ht

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Surprising mtDNA diversity

By | March 3, 2010

Mitochondrial genomes are not uniform across cells of the body as previously believed, but vary between different tissue types, according to a study published online today (March 3) in Nature. Image: Wikimedia commons, NationalHuman Genome Research InstituteThe findings may affect forensics and the search for biomarkers, both of which utilize mitochondrial DNA. "I was surprised," said molecular cell biologist linkurl:Hans Spelbrink;http://www.uta.fi/imt/finmit/hanslab/ of the University of Tam

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Dean axed for ethics slip

By | March 2, 2010

Administrators at Sweden's premier medical university, the Karolinska Institute, announced today (March 2nd) that they've fired the institution's dean of research for exerting "undue influence" over the allocation of funds to top Karolinska professors.Image: Camilla Svensk Clinical pathologist linkurl:Karl Tryggvason;http://ki.se/ki/jsp/polopoly.jsp?d=17271&l=en reportedly tried to influence the decisions of an independent panel regarding which researchers at the Karolinska Institute should rec

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News in a nutshell

By | March 1, 2010

UMass leader steps downJack Wilson is expected to announce today that linkurl:he will retire as president of the University of Massachusetts;http://www.boston.com/news/education/higher/articles/2010/03/01/umass_president_jack_wilson_to_step_down_in_2011/ in 2011. Over his nearly 8 year tenure, Wilson helped unify the five-campus system, and encouraged research collaboration between faculty at different schools. According to the Boston Globe, Wilson, a physicist by training, plans to begin "speak

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New sugar protein tool - for real

By | February 28, 2010

Scientists have devised a new way to make sugar-linked proteins, an important step towards understanding a key type of protein modification and refining drug therapies that utilize the so-called glycoproteins -- as well as the subject of two high-profile papers that were recently retracted. Image: Wikimedia commons, S. Jähnichen"It's a pretty important thing that they've done," said synthetic biologist linkurl:Jason Chin;http://www2.mrc-lmb.cam.ac.uk/group-leaders/a-to-g/j-chin of the Med

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Physician-scientists: vanishing?

By | February 26, 2010

Biomedical research needs practicing physicians -- understanding the issues that arise in the clinic is arguably one of the best ways to inform the work done in the lab. But recently, there is evidence to suggest the numbers of physician-scientists -- MDs who dedicate a significant amount of their time to medical research -- may be dwindling, argues researcher and hematologist linkurl:Andrew Schafer;http://www.med.cornell.edu/research/aischafer/biography.html of Weill Cornell Medical College and

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Radical journal gathers support

By | February 26, 2010

The scientific community appears to be fighting to convince Elsevier to continue to publish its only non-peer-reviewed journal, after the publisher began to linkurl:consider installing a traditional peer review system;http://www.the-scientist.com/blog/display/57121/ when the journal published a controversial paper supporting the arguments of AIDS deniers. Image: flicker/linkurl:meviola;http://www.flickr.com/photos/69659670@N00/ Despite the uproar that article created, the editor-in-chief of lin

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