Stem Cell Injections for Osteoarthritic Knees

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Some friends recently asked me about getting stem cell injections for painful knees with osteoarthritis (Figure 1). Should they push their doctors for this treatment? Were they, and consequently their stem cells, going to be too old if they waited? I started my investigation at PubMed, searching for “stem cells” and “osteoarthritis,” which produced 1249 … Read moreStem Cell Injections for Osteoarthritic Knees

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Virally Modified Cells Regenerate Normal Skin

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Stem cells hold great promise for medical intervention. However, it has been difficult to leverage these cells effectively. In the study by Hirsch and colleagues, a collaboration between doctors and researchers saved the life of a child with a skin disorder called junctional epidermolysis bullosa (JEB). JEB is a genetic disease caused by mutations in … Read moreVirally Modified Cells Regenerate Normal Skin

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Bionic Organs with Silicon Nanopore Membranes

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One of the challenges to building artificial organs is finding or creating suitable materials for use in such devices. If the device contains living cells, then those cells need to receive nutrients from, exchange gases with, and send cellular waste products into blood. In addition, the cells should also respond appropriately to circulating regulatory signals, … Read moreBionic Organs with Silicon Nanopore Membranes

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