News tagged with damaged proteins

Do bacteria age? Biologists discover the answer follows simple economics

When a bacterial cell divides into two daughter cells and those two cells divide into four more daughters, then 8, then 16 and so on, the result, biologists have long assumed, is an eternally youthful population of bacteria. ...

Biology / Cell & Microbiology

created Oct 27, 2011 | popularity 4.9 / 5 (30) | comments 15 | with audio podcast

Key protein aids in DNA repair

Scientists have shown in multiple contexts that DNA damage over our lifetimes is a key mechanism behind the development of cancer and other age-related diseases. Not everyone gets these diseases, because the body has multiple ...

Chemistry / Biochemistry

created Apr 11, 2010 | popularity 4.5 / 5 (20) | comments 2 | with audio podcast

Anti-aging gene linked to high blood pressure

Researchers at the University of Oklahoma Health Sciences Center have shown the first link between a newly discovered anti-aging gene and high blood pressure. The results, which appear this month in the journal ...

Medicine & Health / Genetics

created Aug 19, 2009 | popularity 5 / 5 (12) | comments 3

Solving the mystery of how plants survive near Chernobyl

Twenty-two years after the Chernobyl nuclear power station accident in the Ukraine — the worst in history — scientists are reporting insights into the mystery of how plants have managed to adapt and survive ...

Chemistry / Biochemistry

created May 13, 2009 | popularity 3.9 / 5 (15) | comments 2

Mystery solved: Tiny protein-activator responsible for brain cell damage in Huntington disease

Johns Hopkins brain scientists have figured out why a faulty protein accumulates in cells everywhere in the bodies of people with Huntington's disease (HD), but only kills cells in the part of the brain that controls movement, ...

Medicine & Health / Medical research

created Jun 04, 2009 | popularity 5 / 5 (10) | comments 0

An Alzheimer's vaccine in a nasal spray

One in eight Americans will fall prey to Alzheimer's disease at some point in their life, current statistics say. Because Alzheimer's is associated with vascular damage in the brain, many of them will succumb through a painful ...

Medicine & Health / Medical research

created Feb 28, 2011 | popularity 5 / 5 (10) | comments 3 | with audio podcast

DNA 'molecular scissors' discovered

(PhysOrg.com) -- Scientists at the University of Dundee have discovered a protein that acts as a 'molecular scissors' to repair damaged DNA in our cells, a finding which could have major implications for cancer treatments.

Biology / Cell & Microbiology

created Jul 09, 2010 | popularity 4.5 / 5 (10) | comments 1

Researchers discover mechanism that limits scar formation

Researchers from the University of Illinois at Chicago have discovered that an unexpected cellular response plays an important role in breaking down and inhibiting the formation of excess scar tissue in wound healing.

Biology / Cell & Microbiology

created Jun 10, 2010 | popularity 4.9 / 5 (8) | comments 0 | with audio podcast

The body rids itself of damage when it really matters

Although the body is constantly replacing cells and cell constituents, damage and imperfections accumulate over time. Cleanup efforts are saved for when it really matters. Researchers from the University of Gothenburg, Sweden, ...

Biology / Cell & Microbiology

created Sep 20, 2011 | popularity 4.9 / 5 (8) | comments 0

Chromosome 'glue' surprises scientists

Proteins called cohesins ensure that newly copied chromosomes bind together, separate correctly during cell division, and are repaired efficiently after DNA damage. Scientists at the Carnegie Institution have found for the ...

Biology / Cell & Microbiology

created May 06, 2010 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Study identifies a key molecular switch for telomere extension by telomerase

Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...

Biology / Cell & Microbiology

created Nov 23, 2011 | popularity 5 / 5 (5) | comments 1 | with audio podcast

Scientists show TAp63 suppresses cancer metastasis

Long overshadowed by p53, its famous tumor-suppressing sibling, the p63 gene does the tougher, important job of stifling the spread of cancer to other organs, researchers at The University of Texas MD Anderson Cancer Center ...

Medicine & Health / Cancer

created Oct 20, 2010 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Scientists identify novel approach to view inner workings of viruses

Since the discovery of the microscope, scientists have tried to visualize smaller and smaller structures to provide insights into the inner workings of human cells, bacteria and viruses. Now, researchers at the National Institute ...

Biology / Cell & Microbiology

created Jan 12, 2012 | popularity 4 / 5 (5) | comments 0 | with audio podcast

Protein and microRNA block cellular transition vital to metastasis

Like a bounty hunter returning escapees to custody, a cancer-fighting gene converts organ cells that change into highly mobile stem cells back to their original, stationary state, researchers report online at Nature Cell Bi ...

Biology / Cell & Microbiology

created Feb 25, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Protein involved in cystic fibrosis also plays role in emphysema, chronic lung disease

A team of Johns Hopkins Children's Center researchers has discovered that a protein involved in cystic fibrosis (CF) also regulates inflammation and cell death in emphysema and may be responsible for other ...

Medicine & Health / Medical research

created Dec 29, 2010 | popularity 4.5 / 5 (4) | comments 0 | with audio podcast