It would seem that too much iron is too much iron—whether it is ingested from particular foods or stored in the body genetically—and that pathogens such as Salmonella would grow identically in either case. It turns out ...
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Your brain is armored. It lives in a box made of bones with a security system of vessels. These vessels protect the brain and central nervous system from harmful chemicals circulating in the blood. Yet this protection system—known ...
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Discovered more than two decades ago, the hormone leptin has been widely hailed as the key regulator of leanness. Yet, the pivotal experiments that probe the function of this protein and unravel the precise mechanism of its ...
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Imagine being able to take cells from your skin, transform them into other types of cells, such as lung, brain, heart or muscle cells, and use those to cure your ailments, from diabetes to heart disease or macular degeneration. ...
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In magnetic resonance imaging (MRI), contrast agents are used to enhance the imaging of tissue structures. While they enhance signals in blood vessels and in spaces between cells, they do not reach the interior of the cell. ...
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For most prematurely born infants, it's not their tiny size itself that makes life a struggle. Rather, it's the development of their lungs that spells the difference between life and death.
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New research overturns long-held views on a basic messaging system within living cells. Key cellular communication machinery is more regionally constrained within the cell than previously thought. The findings suggest new ...
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Scientists used human pluripotent stem cells to generate human embryonic colons in a laboratory that function much like natural human tissues when transplanted into mice, according to research published June 22 in Cell Stem ...
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The leading cause of acute gastroenteritis linked to eating raw seafood disarms a key host defense system in a novel way: It paralyzes a cell's skeleton, or cytoskeleton.
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It's a tiny marine invertebrate, no more than 3 millimeters in size. But closely related to humans, Botryllus schlosseri might hold the key to new treatments for cancer and a host of vascular diseases.
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