In older mice, a treatment using tiny particles derived from stem cells, delivered through the nose, leads to better performance in memory tests that measure the ability to recognize new objects and...
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Multiple high-quality studies challenge this claim.
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In older mice, a treatment using tiny particles derived from stem cells, delivered through the nose, leads to better performance in memory tests that measure the ability to recognize new objects and...
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In aged mice, intranasal administration of human induced pluripotent stem cell-derived neural stem cell extracellular vesicles improves recognition and spatial memory, as evidenced by significantly greater preference for novel stimuli in novel object recognition and object location tests compared to vehicle-treated controls.
Tiny particles from stem cells, delivered through the nose, enter the brain and calm down overactive immune cells in the memory center. This reduces harmful chemicals and stress inside brain cells, which lets neurons and their connections work better. As a result, the mouse can remember where objects were and recognize new ones.
What the research says
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1 study
Study: Intranasal Human NSC‐Derived EVs Therapy Can Restrain Inflammatory Microglial Transcriptome, and NLRP3 and cGAS‐STING Signalling, in Aged Hippocampus
This study provides evidence contradicting the claim.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies