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What would it be like if your neurons could regenerate?

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Abstract Artificial sweeteners like saccharin, commonly used as sugar substitutes, are revealing surprising capabilities in combating antibiotic-resistant bacteria. Recent research indicates that saccharin and similar compounds, such as acesulfame-K and sucralose, can inhibit the growth of multidrug-resistant pathogens like Acinetobacter baumannii and Pseudomonas aeruginosa . These sweeteners disrupt bacterial biofilm formation and motility, and they can enhance the effectiveness of existing antibiotics by increasing bacterial membrane permeability, leading to cell lysis. Notably, acesulfame-K demonstrated potent antimicrobial activity in ex vivo wound models, suggesting potential therapeutic applications. ​ However, there's a complex side to this narrative. Studies have shown that artificial sweeteners can also promote the spread of antibiotic resistance genes. They do this by increasing bacterial cell membrane permeability and stimulating the expression of genes involved in D...
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Soon, human organs for transplant may be grown in animal hosts

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TOKYO: Japan  has given the green light to a controversial research process involving implanting animals with human stem cells that could eventually help grow human organs for transplant inside animal hosts. The decision by the education and science ministry on Friday to revise its guidelines means Japanese researchers can now apply for permits to carry out studies employing the technique, a ministry official said. The process involves implanting embryonic animals, likely first pigs, with human “induced pluripotent stem” (iPS) cells, which can transform into the building blocks of any part of the body. The idea is for the iPS cells to grow into transplantable human organs inside the animal embryos. Japan had previously required researche rs to terminate animal embryos implanted with human cells after 14 days “due to ethical concerns over the vague line between human beings and animals,” the official said. The old regulations also prevented researchers from placing th...
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