Recent advancements indicate that the concept of “solar-powered” cells in animals may soon be achievable, allowing cells to utilize light energy similarly to how plants do for their cellular functions. Researchers in Japan have made a notable breakthrough by integrating chloroplasts—organelles that facilitate photosynthesis in plants—into hamster cells, enabling these cells to capture light and generate energy. This pioneering method raises the potential for employing photosynthetic processes in animal cells to develop sustainable energy sources, which could revolutionize cellular biology and metabolic therapies. In a different strategy, scientists are exploring optogenetics, a technique that involves genetically altering mitochondria to incorporate light-sensitive proton pumps. When these pumps are activated by light, they produce cellular energy, effectively "charging" the cell and enhancing its energy output. Trials conducted with C. elegans (a type of roundworm) demonstra...
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