Stem Cells, Obesity Finding Lead Nobel Predictions

Tuesday, 21 Sep 2010 07:03 AM

 

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WASHINGTON - Researchers who discovered stem cells and the appetite hormone leptin, who proposed that dark energy is helping the universe expand and who developed "gene chips" are named in the 2010 Thomson Reuterspredictions to win Nobel Prizes for medicine, physics and chemistry.

Thomson Reuters expert David Pendlebury's forecast is made using the company's "Web of Knowledge" data on how often a researcher's published papers are used and cited -- used as a basis for further research -- by other scientists. Every year at least one of the picks from one of his annual lists has won a Nobel prize.

"Some people perform outstandingly differently from so-called ordinary researchers," Pendlebury, of Thomson Reuters Healthcare & Science division, said in a telephone interview. Thomson Reuters is the parent company of Reuters.

"People who win the Nobel prize publish about five times as much as the average scientist and are cited 20 times as often as the average scientist."

For the Nobel prize for Physiology or Medicine, to be announced Oct. 4, Pendlebury has chosen three possible teams this year.

They are Douglas Coleman of Jackson Laboratory in Bar Harbor, Maine and Jeffrey Friedman of Rockefeller University in New York, for their work discovering leptin, a hormone linked to appetite and obesity. Friedman and Coleman won a Lasker award, widely considered to help predict Nobel winners, on Tuesday.

Obese rodents given leptin lose weight, but it turns out humans will disobey its signals and overeat anyway. Nonetheless, the hormone is important for understanding the mechanisms of eating.

Nobels often go to groups of three researchers and Pendlebury also picks Ernest McCulloch and James Till of the Ontario Cancer Institute in Toronto, who first discovered stem cells in bone marrow in the early 1960s and Shinya Yamanaka of Japan's Kyoto University and the Gladstone Institute of Cardiovascular Disease in San Francisco, who discovered in 2006 how to make induced pluripotent stem cells or iPS cells from ordinary skin cells.

"It's hard to imagine that won't eventually win a Nobel prize because it is so fundamentally remarkable," said Dr. Jeremy Berg of the National Institute of Health's Institute for General Medical Sciences.

Another possible winner is Ralph Steinman of Rockefeller University in New York, who helped discover the role of dendritic cells, immune cells found in the skin, intestines and nose that are the first line of defense against some microbes. Stimulating dendritic cells helps makes some vaccines work.

"He is the second most cited person in immunology overall," Pendlebury said.

 

EXPANDING UNIVERSE

For the physics prize, to be announced Tuesday, Oct. 5, Pendlebury points to Saul Perlmutter of the University of California Berkeley, Adam Riess of Johns Hopkins University in Baltimore and Brian Schmidt of Australian National University for discoveries of about how the universe is expanding and how dark energy might permeate the whole univese and affect this.

He chooses Charles Bennett of NASA and Johns Hopkins University in Maryland and Lyman Page and David Spergel of Princeton University in New Jersey, who have done work with the Wilkinson Microwave Anisotropy Probe or WMAP.

This instrument measures the heat left over from the Big Bang to determine the size, shape and composition of the universe. "They are extremely influential," Pendlebury said.

For the chemistry prize, to be awarded on Oct. 6, Pendlebury favors Patrick Brown of Stanford University School of Medicine in California, who invented DNA microarrays, also known widely as gene chips, which are broadly used by scientists now to see which genes are active in various cells.

Berg said Brown's microarray idea resembled inkjet printers, as opposed to the method used by Affymetrix Inc, based on semiconductor technology.

Pendlebury also names Stephen Lippard of the Massachusetts Institute of Technology, who found a way to make platinum disrupt DNA, the basis of a family of cancer drugs that use the metal.

In 2009, Pendlebury correctly predicted that Elizabeth Blackburn, Carol Greider and Jack Szostak would share the Nobel prize for Medicine for discovering telomerase, an enzyme involved in aging. He considers previous years' picks to also still be in the running. (Editing by Eric Walsh)

© 2014 Thomson/Reuters. All rights reserved.

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