Chemistry - Biochemistry news

Scientists find a key to maintaining our DNA

DNA contains all of the genetic instructions that make us who we are, and maintaining the integrity of our DNA over the course of a lifetime is a critical, yet complex part of the aging process. In an important, albeit early ...

Mar 18, 2011
4.9 / 5 (12) 1 | with audio podcast

To starve a tumor

(PhysOrg.com) -- Since the 1920s, scientists have known that cancer cells generate energy differently than normal cells, a phenomenon dubbed the 'Warburg effect' after its discoverer, German biochemist Otto ...

Apr 06, 2010
4.6 / 5 (13) 0 | with audio podcast

Base-pairing protects DNA from UV damage

Ludwig Maximilian University of Munich researchers have discovered a further function of the base-pairing that holds the two strands of the DNA double helix together: it plays a crucial role in protecting ...

Sep 19, 2014
5 / 5 (5) 2

Hitting moving RNA drug targets

By accounting for the floppy, fickle nature of RNA, researchers at the University of Michigan and the University of California, Irvine have developed a new way to search for drugs that target this important molecule. Their ...

Jun 26, 2011
5 / 5 (2) 0 | with audio podcast

Making blood-sucking deadly for mosquitoes

Inhibiting a molecular process cells use to direct proteins to their proper destinations causes more than 90 percent of affected mosquitoes to die within 48 hours of blood feeding, a UA team of biochemists ...

Jul 18, 2011
4.3 / 5 (6) 5 | with audio podcast

Niacin, the fountain of youth

The vitamin niacin has a life-prolonging effect, as Michael Ristow has demonstrated in roundworms. From his study, the ETH-Zurich professor also concludes that so-called reactive oxygen species are healthy, ...

Sep 30, 2013
4.5 / 5 (31) 0 | with audio podcast

Protein 'filmed' while unfolding at atomic resolution

When proteins get "out of shape", the consequences can be fatal. They lose their function and in some cases form insoluble, toxic clumps that damage other cells and can cause severe diseases such as Alzheimer's or Parkinson's. ...

Feb 11, 2013
5 / 5 (8) 0 | with audio podcast