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tag tay sachs disease ecology disease medicine immunology

Glycobiology Goes to the Ball
Jeffrey Perkel | Apr 28, 2002 | 8 min read
There's more to life than DNA, RNA, and proteins. Literally. Sugars are also in the mix. And the roles that carbohydrates play in biology are just as important as those of any member of the better-characterized trinity. These macromolecules affect cell-cell interactions, immune function, and protein regulation, and disruption of their biology results in disease. One magazine likened the study of carbohydrates, called glycobiology, to Cinderella—neglected stepsister to her two more glamoro
Autopsy's Fall Imperils Research
Paul Mcarthy | Oct 29, 1989 | 6 min read
When pathologists talk about a lack of bodies, they don’t always mean staff. They’re referring to, and lamenting, the declining autopsy rate. If you died in 1950—during the golden age of autopsy—the chances were 50-50 that your body would be opened to determine the cause of death. The rate dropped to 41% in 1964, 35% in 1972, and 22% in 1975. Today, it is closer toone in 10 and still falling. Researchers are now voicing alarm about the implications this decline poses for
Preimplantation Genetic Diagnosis: The Next Big Thing?
Ricki Lewis | Nov 12, 2000 | 9 min read
Courtesy of David Hill, ART Reproductive Center Inc.Two separated blastomeres subjected to FISH analysis to check the chromosomes. In early October, preimplantation genetic diagnosis (PGD) made headlines when a Colorado couple used assisted reproductive technology (ART) to have a baby named Adam, whose umbilical cord stem cells could cure his six-year-old sister Molly's Fanconi anemia.1 When Adam Nash was a ball of blastomere cells, researchers at the Reproductive Genetics Institute at Illinois
60 Members Elected to NAS
Barry Palevitz | Jun 25, 2000 | 6 min read
Editor's Note: On May 2, the National Academy of Sciences announced the election of 60 new members and 15 foreign associates from nine countries in recognition of their distinguished and continuing achievements in original research. Nearly half of the new members are life scientists. In this article, The Scientist presents photographs of some of the new members and comments from a few of them on their careers and on past and current research. A full directory of NAS members can be found online a

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