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Scientists Call for Investigation of Mysterious Cloud-like Collections in Cells

About 50 years ago, electron microscopy revealed the presence of tiny blob-like structures that form inside cells, move around and disappear. But scientists still don’t know what they do — even though these shifting cloud-like collections of proteins are believed to be crucial to the life of a cell, and therefore could offer a new approach to disease treatment.

In the Journal of Cell Biology, two researchers are issuing a call to investigators from various backgrounds, from biophysics to cell biology, to focus their attention on the role of these formations— for which they coin a new unifying term “assemblages.”

“I want to know what these assemblages are doing in Ewing sarcoma, the disease I concentrate on — and I would think all other researchers who study human biology would want to know their functions in both health and disease,” says Jeffrey Toretsky, MD, professor in the department of oncology and pediatrics at Georgetown Lombardi Comprehensive Cancer Center.

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