US EditionScientists discover never-before-seen part of human cells
- In May 2025, University of Virginia and NIH scientists discovered the hemifusome, a new organelle in human cells, published in Nature Communications.
- Limitations of traditional imaging methods hindered observation of the hemifusome, but cryo-electron tomography preserved cells in a native state, enabling its discovery, as Ebrahim stated: 'We would have missed this.'
- Researchers identified hundreds of hemifusomes in four mammalian cell types, constituting nearly 10% of all membrane-bound vesicles, across multiple cell regions.
- Understanding hemifusomes could unlock new insights into Alzheimer's progression and lead to future treatments targeting cellular protein management.
- Expanding on this work, researchers will investigate hemifusome behavior in healthy and diseased cells to explore potential treatments for genetic conditions.
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Never-before-seen 'snowman' in human cells discovered by scientists
SCIENTISTS have just stumbled upon a new part of the human cell. The organelle – a structure inside a cell that carries out a specific purpose – has been dubbed a “snowman in a scarf” due to its compelling shape. University of Virginia School of MedicineThe so-called snowman was found inside of human cells[/caption] GettyScientists in Virginia were able to take 3D pictures of the cell (stock image)[/caption] The University of Virginia scientists…
·New York, United States
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At the heart of our cells, an unprecedented structure has just been identified, illuminating by a new day the essential biological mechanisms. This discovery could transform our...
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