News tagged with cell responses

Scientists discover molecular secrets of 2,000-year-old Chinese herbal remedy

For roughly two thousand years, Chinese herbalists have treated Malaria using a root extract, commonly known as Chang Shan, from a type of hydrangea that grows in Tibet and Nepal. More recent studies suggest that halofuginone, ...

Chemistry / Biochemistry

created Feb 12, 2012 | popularity 4.5 / 5 (28) | comments 29 | with audio podcast

DNA nanorobot triggers targeted therapeutic responses

Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University have developed a robotic device made from DNA that could potentially seek out specific cell targets within a complex ...

Nanotechnology / Bio & Medicine

created Feb 16, 2012 | popularity 5 / 5 (9) | comments 8 | with audio podcast

Researchers identify potential molecular target to prevent growth of cancer cells

Researchers have shown for the first time that the protein fortilin promotes growth of cancer cells by binding to and rendering inert protein p53, a known tumor suppressor. This finding by researchers at the University of ...

Chemistry / Biochemistry

created Sep 16, 2011 | popularity 5 / 5 (7) | comments 0 | with audio podcast

Scientists show how shifts in temperature prime immune response

Researchers at The Scripps Research Institute have found a temperature-sensing protein within immune cells that, when tripped, allows calcium to pour in and activate an immune response. This process can occur as temperature ...

Chemistry / Biochemistry

created May 06, 2011 | popularity 4.9 / 5 (7) | comments 1 | with audio podcast

Carbon black nanoparticles can cause cell death

Researchers from the University of Iowa Roy J. and Lucille A. Carver College of Medicine have found that inhaled carbon black nanoparticles create a double source of inflammation in the lungs.

Nanotechnology / Bio & Medicine

created May 18, 2011 | popularity 5 / 5 (4) | comments 1 | with audio podcast

A sweet defense against lethal bacteria

(PhysOrg.com) -- There is now a promising vaccine candidate for combating the pathogen which causes one of the most common and dangerous hospital infections. An international team of scientists from the Max ...

Chemistry / Biochemistry

created May 31, 2011 | popularity 3.8 / 5 (4) | comments 0 | with audio podcast

New membrane lipid measuring technique may help fight disease

Could controlling cell-membrane fat play a key role in turning off disease?

Chemistry / Biochemistry

created Oct 09, 2011 | popularity 5 / 5 (3) | comments 0 | with audio podcast

A major step forward towards drought tolerance in crops

When a plant encounters drought, it does its best to cope with this stress by activating a set of protein molecules called receptors. These receptors, once activated, turn on processes that help the plant ...

Biology / Biotechnology

created Dec 19, 2011 | popularity 5 / 5 (3) | comments 1 | with audio podcast

Researchers have a natural sidekick that may resolve the antibiotic-resistant bacteria dilemma

Antibiotic-resistant bacteria continue to be a global concern with devastating repercussions, such as increased healthcare costs, potential spread of infections across continents, and prolonged illness.

Biology / Cell & Microbiology

created Apr 25, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Call of the riled: Stress signal in cancer cells triggers similar response in other cells, aiding tumor growth

Researchers at the University of California, San Diego School of Medicine say a "stress response" mechanism used by normal cells to cope with harsh or demanding conditions is exploited by cancer cells, which ...

Medicine & Health / Cancer

created Apr 04, 2011 | popularity 5 / 5 (2) | comments 1 | with audio podcast

How a molecular switch activates the anti-viral innate immune response

When a thief breaks into a bank vault, sensors are activated and the alarm is raised. Cells have their own early-warning system for intruders, and scientists at the European Molecular Biology Laboratory (EMBL) ...

Biology / Cell & Microbiology

created Oct 14, 2011 | popularity 5 / 5 (2) | comments 0

New molecule discovered in fight against allergy

Scientists at The University of Nottingham have discovered a new molecule that could offer the hope of new treatments for people allergic to the house dust mite.

Chemistry / Biochemistry

created Feb 15, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

What makes a worm say 'yuck'

Researchers at Harvard-affiliated Massachusetts General Hospital (MGH) say they have uncovered a way that animals detect pathogens in their bodies that allows their systems to respond before cellular damage ...

Biology / Cell & Microbiology

created May 15, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Shedding light on how body fends off bacteria

To invade organisms such as humans, bacteria make use of a protein called flagellin, part of a tail-like appendage that helps the bacteria move about. Now, for the first time, a team led by scientists at The ...

Biology / Cell & Microbiology

created Feb 16, 2012 | popularity 4 / 5 (2) | comments 0 | with audio podcast

Using a molecular switch to turn on cancer vaccines

The immune system is capable of recognizing tumor growth, and naturally mounts an anti-cancer defense. Dendritic cells (DCs) can take up tumor-derived molecules (antigens) and present them to T cells, and those "primed" T ...

Medicine & Health / Cancer

created Mar 07, 2011 | popularity 5 / 5 (1) | comments 0