Scientists pinpoint link between light signal and circadian rhythms

In a new paper published this week in the Proceedings of the National Academy of Sciences, Aziz Sancar, MD, PhD, the Sarah Graham Kenan Professor of Biochemistry and Biophysics in the UNC School of Medicine, and his colleagues ...

Tools used to decipher 'histone code' may be faulty

The function of histones -- the proteins that enable yards of DNA to be crammed into a single cell -- depends on a number of chemical tags adorning their exterior. This sophisticated chemical syntax for packaging DNA into ...

Scientists test commonly used antibodies

If a strand of your DNA was stretched out completely, it would be more than six feet long. It's hard to imagine that it can fit inside the nucleus of one of your cells, but that's exactly how it works.

Heat helped hasten life's beginnings

There has been controversy about whether life originated in a hot or cold environment, and about whether enough time has elapsed for life to have evolved to its present complexity.

Cystic fibrosis gene typo is a double whammy

An imbalance of salt and water in patients with cystic fibrosis makes their lungs clog up with sticky mucus that is prone to infection. The cause of the offending imbalance is a well-known genetic error, one that blocks the ...

Scientists identify cellular communicators for cancer virus

A new discovery by UNC scientists describes how cells infected by the Epstein-Barr virus (EBV) produce small vesicles or sacs called exosomes, changing their cellular "cargo" of proteins and RNA. This altered exosome enters ...

Unearthing King Tet: Key protein influences stem cell fate

Take a skin cell from a patient with Type 1 diabetes. Strip out everything that made it a skin cell, then reprogram it to grow into a colony of pancreatic beta cells. Implant these into your patient and voilĂ ! She's producing ...

Team finds new target for treatment of advanced prostate cancer

(PhysOrg.com) -- In its early stages, prostate cancer requires androgens (hormones that promote the development and maintenance of male sex characteristics) for growth, and current first-line therapies target the receptor ...

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