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Epi-embryonic stem cells?

By | April 1, 2006

Researchers have provided clues about a potentially new source of human stem cells that are physically close to the actual embryo, but miles away from the controversy surrounding its use in research. Last night, at the linkurl:Keystone meeting;http://www.keystonesymposia.org/Meetings/ViewMeetings.cfm?MeetingID=786 on stem cells, linkurl:Ursula Manuelpillai;http://www.med.monash.edu.au/ob-gyn/staff/ursulam.html at the Monash Institute of Medical Research in Victoria, Australia presented a poster

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Glimpses of stem cell medicine

By | April 1, 2006

After three days of discussions about stem cell machinery, the organizers concluded the linkurl:Keystone meeting;http://www.keystonesymposia.org/Meetings/ViewMeetings.cfm?MeetingID=786 on stem cell biology today by treating participants to data showing what these cells can already do in humans. These efforts appear not quite as differentiated as stem cells themselves, but are hopefully on their way to becoming so. Tonight, Michele De Luca from the Veneto Eye Bank Foundation and the University o

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Using the liver to make the pancreas

By | March 30, 2006

Who would guess that it kind of makes sense to use the liver to produce beta cells, the vehicles for easing the problem of type 1 diabetes? Well, I was convinced of just that during a talk I attended yesterday at this year?s linkurl:Keystone meeting;http://www.keystonesymposia.org/Meetings/ViewMeetings.cfm?MeetingID=786 on stem cell biology. linkurl:Jonathan M.W. Slack;http://www.bath.ac.uk/bio-sci/slack.htm of the University of Bath in the UK and his colleagues have been studying the use of li

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More reprogramming clues (maybe)

By | March 29, 2006

One of the biggest holy grails in biology involves finding a means to generate pluripotent and infinitely replicating stem cells without generating an embryo. One Japanese team presented some potent clues last night at the linkurl:Keystone conference;http://www.keystonesymposia.org/Meetings/ViewMeetings.cfm?MeetingID=786 on stem cell biology -- but stem cell researchers will need a few more bread crumbs before they can put this potentially exciting information to use. linkurl:Shinya Yamanaka;ht

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Sending stem cells back in time

By | March 29, 2006

Scientists at the University of Central Florida have devised a creative way to obtain stem cells with embryonic properties -- by coaxing mesenchymal stem cells (MSCs) to return to their roots, and display embryonic qualities. To achieve this, linkurl:Angel Alvarez;http://sugaya.ucf.edu/members.html and his co-author Kiminobu Sugaya "dedifferentiated" MSCs by over expression of the ESC gene nanog, using gene transfection. The resulting cells developed a reduced size and formed cellular

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Stem cells: Ethics before science

By | March 28, 2006

This year?s linkurl:Keystone meeting;http://www.keystonesymposia.org/Meetings/ViewMeetings.cfm?MeetingID=786 on stem cells -- surrounded by the dreamy mountains of Whistler, British Columbia -- started not with science, but with ethics. Specifically, the ethics of embryonic stem cell research, and what the scientists who study them need to remember. linkurl:Anne McLaren;http://www.cmgp.org.uk/research/people/mclaren_a.html of the Wellcome Trust/Cancer Research UK Gordon Institute, Cambridge Uni

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Heavyweight bout: Encyclopedia Britannica vs. Nature

By | March 27, 2006

Roll up for the public battering of the publishing heavyweights. In the red corner, from London, England, 'the world's top multidisciplinary science journal,' and in the blue corner, from Chicago, Illinois, 'the oldest continuously published reference work in the English language.' Ding! Ding! Round 1: Nature lands the opening blow with a linkurl:news article;http://www.nature.com/news/2005/051212/full/438900a.html on December 14 that compared the accuracy of science coverage from Encyclopaedi

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CMAJ earns award nom

By | March 24, 2006

The Michener Awards Foundation has nominated the beleaguered Canadian Medical Association Journal (CMAJ) for the linkurl:2005 Michener Award;http://www.michenerawards.ca/english/2005finalists.htm for "meritorious public service journalism." The article that earned the journal their latest nod is the same article at the heart of recent debates over editorial practice at the journal, which has seen the resignations of the majority of editors and editorial board members. The linkurl:inve

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Advertising censure for PeTA

By | March 22, 2006

British supporters of animal research are claiming a minor victory this week in their seemingly endless battle with animal rights activists, after the UK?s advertising standards watchdog censured linkurl:People for the Ethical Treatment of Animals (PeTA).;http://www.the-scientist.com/news/display/23184/ The decision was made against a fundraising leaflet that PeTA had mailed across the UK. The Advertising Standards Authority linkurl:ruled;http://www.asa.org.uk/asa/adjudications/non_broadcast/Ad

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Canadian publisher responds to mass resignations

By | March 17, 2006

Today, the Canadian Medical Association (CMA) released an linkurl:Open Letter;http://www.cma.ca/multimedia/CMA/Content_Images/Inside_cma/Media_Release/pdf/2006/CMA_President_Editorial_Board.pdf to the majority of the Editorial board members of the Canadian Medical Association Journal (CMAJ) who resigned this week after ongoing disputes with the CMA over the journal?s editorial independence. In the letter, CMA president Ruth Collins-Nakai says she "takes great exception" to the former

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