Gas embolotherapy involves creating tiny bubbles in tumor blood vessels, which block the blood supply and starve the cancer out. Now, researchers from China and France have found that the technique could also deal a second blow as a drug delivery system.
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If you wind back the clock on the different cells in our bodies, they’d all start life as one of just a few types of stem cells. Now, researchers have wound back the clock even further, and discovered a new type of dual stem cell that can produce certain tissues with built-in blood vessels.
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Researchers have taken us a step closer to the idea of "exercise in a pill" by examining a protein they call the body's "exercise sensor" and learning how to activate it with a molecule named after a Star Wars character.
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“Mini-brains,” models created from 3D cultures of neural cells, could help reduce our reliance on animal testing. Now researchers have discovered the neural cells are growing their own blood vessels too, opening the door for better studies of stroke, Alzheimer’s and concussion.
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The latest example of miniaturizing electronics having an impact in the medical world is a tiny camera no bigger than a grain of salt, which can be fixed to the end of a catheter and fed into arteries to provide surgeons tasked with removing plaque a live view from within.
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One of the hurdles in creating lab-grown organs is that the cells in such a structure need to be quickly and cheaply supplied with a way of receiving nutrients. Researchers at Vanderbilt University (VU) may have just leaped that hurdle using a most unexpected tool – a cotton candy machine.
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When a vein or artery gets seriously blocked, a common course of action involves replacing it with part of another blood vessel harvested from elsewhere in the patient's body. Scientists have now developed an alternative – polymer fabric vessels that transform into biological ones, once implanted.
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Researchers at the Imperial College London and the Houston Methodist Research Institute have developed biodegradable, silicon "nanoneedles" that can deliver genetic material to stimulate the growth of blood vessels. They could perhaps even be used to reprogram living cells as needed.
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Fibroblast cells can cause complications following a heart attack, as they form scar tissue on the organ's walls. But new research suggests these cells could be converted to endothelial cells which actually assist in recovery, potentially minimizing the damage caused during a heart attack.
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Scientists at the Dresden-based Fraunhofer Institute for Photonic Microsystems (IPMS) have shrunk down retinal scanning technology in the hopes of making retinal scans a more widespread identification technology.
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