News tagged with cellular energy


Switch in cell's 'power plant' declines with age, rejuvenated by drug

Researchers at the Johns Hopkins University School of Medicine have found a protein normally involved in blood pressure regulation in a surprising place: tucked within the little "power plants" of cells, the mitochondria. ...

Medical research created Aug 16, 2011 | popularity 5 / 5 (7) | comments 2 | with audio podcast

Metabolism in the brain fluctuates with circadian rhythm

(Medical Xpress)—The rhythm of life is driven by the cycles of day and night, and most organisms carry in their cells a common, (roughly) 24-hour beat. In animals, this rhythm emerges from a tiny brain ...

Neuroscience created Aug 28, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

International team discover clue to Friedreich's ataxia, devastating nervous system disease

(Medical Xpress)—A new form of iron may hold the clue that leads to treatment for a fatal inherited nervous system disease that can cause gait disturbance, speech problems, heart disease, diabetes and other ...

Medical research created Nov 23, 2012 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Molecular duo dictate weight and energy levels

Yale University researchers have discovered a key cellular mechanism that may help the brain control how much we eat, what we weigh, and how much energy we have.

Neuroscience created Feb 28, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Stem cell survival strategy key to blood and immune system health

Stem cells of the aging bone marrow recycle their own molecules to survive and keep replenishing the blood and immune systems as the body ages, researchers at UC San Francisco (UCSF) have discovered.

Medical research created Feb 14, 2013 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Insulin action in the brain can lead to obesity

Fat-rich food makes you fat. Behind this simple equation lie complex signalling pathways, through which the neurotransmitters in the brain control the body's energy balance. Scientists at the Cologne-based ...

Neuroscience created Jun 06, 2011 | popularity 3.7 / 5 (3) | comments 12 | with audio podcast

Fruit and veg flavanoids give cardioprotective effects

A study published in the journal of Biochemical Pharmacology suggests major flavonoid quercetin is beneficial in reducing the risk of cardiovascular disease (CVD).

Medical research created Jan 09, 2013 | popularity 5 / 5 (2) | comments 0

Breakdown of triglycerides in heart muscle boosts cardiac function

The heart relies heavily on oxidation of fatty acids for energy production. However, excess storage of fatty acids as triglycerides, within heart muscle cells, frequently observed in patients with obesity and diabetes, is ...

Cardiology created Feb 15, 2012 | popularity 5 / 5 (1) | comments 0

Study reveals how anesthetic isoflurane induces Alzheimer's-like changes in mammalian brains

The association of the inhaled anesthetic isoflurane with Alzheimer's-disease-like changes in mammalian brains may by caused by the drug's effects on mitochondria, the structures in which most cellular energy is produced. ...

Neuroscience created Mar 01, 2012 | popularity 5 / 5 (1) | comments 1 | with audio podcast

Disruption of nerve cell supply chain may contribute to Parkinson's

(Medical Xpress) -- New data offer hints to why Parkinson's disease so selectively harms brain cells that produce the chemical dopamine, say researchers at Washington University School of Medicine in St. Louis.

Neuroscience created May 12, 2011 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Discovery explains how cellular pathways converge to regulate food intake and body weight

In the complex chain of molecular events that underlie eating behaviors and body weight, the AMP-activated protein kinase (AMPK) enzyme has proven to be a critical link.

Medical research created Jul 03, 2012 | popularity 4 / 5 (1) | comments 0 | with audio podcast

Circadian rhythms can be modified for potential treatment of disorders

(Medical Xpress)—UC Irvine-led studies have revealed the cellular mechanism by which circadian rhythms – also known as the body clock – modify energy metabolism and also have identified novel compounds that control ...

Cardiology created Jan 22, 2013 | popularity 2 / 5 (2) | comments 0 | with audio podcast