Tag: "calcified" at biology news

Hard Hearts: New Discovery Of Bone In Heart Tissue May Explain Valve Disease

...o whichcalcium sticks in the formation of bone--in calcified valves. "Finding thisprotein and actual bone is evidence that valve calcification is an activeprocess of laying down organized bone tissue, not a passive one, as was oncethought," says Mohler. But that still leaves the question: How did bone...

Consume less trans fat, more vitamin B6 and B12, studies suggest

...iciency is partly responsible for the formation of calcified ridges that can block the flow of blood in arterie...hat adequate magnesium may modify the formation of calcified streaks," Kummerow said. In addition to requiring food-makers to list the amount of trans fatty ac...

UH lab identifies first gene mutations in blood vessel disease

...een cells, of the skin, retina and arteries become calcified and lose their resilience. Onset of the disease is usually signaled first by a rash of yellow papules on the skin, especially around the neck, groin and thighs. In more advanced forms, the skin sags and wrinkles, giving the appearance of premature ag...

Blood vessels found to signal chain of destruction in bone diseases

...Interestingly, mice lacking the OPG gene also have calcified arteries, leading to diseased blood vessels. "We've shown that the endothelial cells of blood vessels make their own OPG and may represent a major source for the levels of this factor found circulating in serum," she said. "In the case we've stu...

January media highlights: GEOLOGY and GSA TODAY

...les, the original cells are not preserved, but the calcified biofilm retains distinctive morphological features such as internal channel systems and delicate external columns and plumes that are characteristic of modern biofilms. This discovery of recognizable biofilms in rocks up to 500 Ma provides a new way ...

Mantis shrimp fluoresce to enhance signaling in the dim ocean depths

...en known to break aquarium glass with their heavy, calcified clubs. They can easily kill an opponent with a single, well-placed blow, Caldwell said. Another explanation is that, because they have small brains, complex visual processing must be done in the eye's receptor, whereas our much larger brain is able t...

Are nanobacteria alive?

...Evidence of nanobacterial-like structures in human calcified arteries and cardiac valves", the paper by John Li... this effort? The researchers collected samples of calcified aneurysms (bulging blood vessels), arterial plaques and heart valves. They pulped the tissue, then f...

Evidence of nanobacterial-like structures found in human calcified arteries and cardiac valves

...anoparticles from filtered homogenates of diseased calcified human cardiovascular tissue. These cultured nano-s...r current study "provides anatomical evidence that calcified human arterial and valvular tissue contain nanometer-sized particles which share characteristics of ...

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