[Home]   [Full version]  

Iron and copper relationship is studied

Jul 24 ,Medicine & Health


U.S. scientists studying the relationship of iron and copper in the body have found when iron absorption by cells decreases, copper absorption increases.

Researchers at the University of Buffalo's School of Public Health and Health Professionals, led by Assistant Professor James Collins, found iron is only half of an all-important duo of trace minerals -- the other being copper -- that work in tandem to maintain proper iron balance, or homeostasis.

"Iron or copper deficiency causes anemia, and abnormal intestinal iron transport is associated with several common human pathologies, including anemia of chronic disease (or ACD) and hereditary hemochromatosis, different forms of which result from several common genetic defects," said Collins.

Hereditary hemochromatosis is an inherited metabolic disorder characterized by abnormally high absorption of dietary iron, which is deposited in body tissues and organs, where it may become toxic. ACD is a blood disorder caused by low body iron levels resulting from any medical condition that affects the production and lifespan of red blood cells, such as chronic infection.

The study was funded by a $1.38 million grant from the National Institute of Diabetes and Digestive and Kidney Diseases.

Copyright 2007 by United Press International

Related stories:

Archaeologist 'strikes gold' with finds of ancient nasca iron ore mine in Peru
A Purdue University archaeologist discovered an intact ancient iron ore mine in South America that shows how civilizations before the Inca Empire were mining this valuable ore.
Clemson chemists discover new way antioxidants fight debilitating diseases
Cancer, cardiovascular diseases, Parkinson’s and Alzheimer’s are often linked to DNA damage that occurs when metal ions in the body such as iron and copper produce reactive oxygen compounds that damage human cells. Studies have shown antioxidants that neutralize this activity and that occur naturally in fruits, vegetables, green tea, garlic and onions can be effective at preventing DNA damage.
Researchers create artificial enzyme that mimics the body's internal engine
The protein cytochrome c oxidase (CcO) is the ultimate enzyme responsible for all aerobic life on Earth, from bacteria to people. It is also a crucial component of the cellular machinery that generates energy in our body. With such impressive credentials, you might expect that scientists would have a clear understanding of how CcO works. But they don't, according to James P. Collman, professor emeritus of chemistry at Stanford University.
Cancer cells forming blood vessels send their copper to the edge
New information about a link between the growth of blood vessels critical to the spread of cancer and the copper in our bodies has been discovered by researchers from the U.S. Department of Energy's Argonne National Laboratory and the University of Chicago, using a beamline at the Advanced Photon Source.
Probing Question: Can Alzheimer's disease be prevented?
Most of us have had the experience of forgetting where we've parked our car or have struggled to recall an acquaintance's name. But once we hit our 50s, said James R. Connor, these incidents might cause us to worry that we're showing early signs of Alzheimer's disease.
Scientists Find Key to Copper Absorption, Essential to Life
Humans, animals and plants require copper to live, and scientists have now discovered how cells absorb this mineral that fuels the brain, heart and other vital organs.
Researchers pursue blast-resistant steel using new tomograph
Materials scientists and engineers at Northwestern University are developing a new "high-security" steel that would be resistant to bomb blasts such as the one that struck -- and nearly sank -- the USS Cole in Yemen in 2000. The researchers now have a state-of-the-art instrument that enables them to get a precise look at steel's composition on the nanoscale: a $2 million atom-probe tomograph that is only the fourth of its kind in the world.
Fortified cassava could provide a day's nutrition in a single meal
Scientists have determined how to fortify the cassava plant, a staple root crop in many developing countries, with enough vitamins, minerals and protein to provide the poor and malnourished with a day's worth of nutrition in a single meal.

News discussion:

Medicine & Health news

[Home]   [Full version]