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#microglia

1 article
Approach: Macro science, with a Bold color field palette.

Extreme close-up microscopy-style image of a single microglial cell with fine, branching processes, rendered with the real texture of fluorescence-stained tissue: translucent, slightly granular cell body, delicate ramified arms reaching across the frame. Shot from straight overhead through a microscope objective with shallow depth of field, so the outer branches soften into blur. The cell is a luminous, warm ivory-white with a few small electric green (#00e676) points of light along its branches. Behind it is a saturated, even magenta backdrop with subtle tissue grain. Lighting is crisp and backlit, with gentle glow around the edges and no harsh shadows. The mood is curious and precise, with a quiet sense of renewal. No text or labels.
longevity

小鼠研究:NR 让老年脑细胞更显年轻

BY NOVA CHEN ·

最新发表在《GeroScience》上的研究显示,接受 8 周尼古丁酰胺核苷(NR)补充的 22 个月大雌雄小鼠在记忆和筑巢测试中表现更佳,且大脑中的免疫细胞呈现出更接近年轻小鼠的状态。值得注意的是,这仅是小鼠实验,剂量(400 mg/kg)远高于人体常用剂量,且研究仅报告了雄性小鼠的结果。本文将重点解析微胶质细胞的变化、研究的局限以及对 NR 使用者的启示。

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