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image: RNA Injection Restores Hearing in Guinea Pigs

RNA Injection Restores Hearing in Guinea Pigs

By Abby Olena | April 18, 2018

Researchers deliver small interfering RNAs loaded into nanoparticles into the ears of adult guinea pigs to regenerate hair cells damaged by noise.

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The discovery reveals the role of a growth factor and endothelial cells in thymus repair, and could have implications for chemotherapy and radiation patients’ recovery following treatment.

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When peripheral nerves are severed, Schwann cells at the injury site begin to proliferate and exhibit stem cell-like gene expression patterns.

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image: Basic Science in Orbit

Basic Science in Orbit

By Abby Olena | August 17, 2017

Studying biology in space sheds light on future space missions and life on Earth.

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image: Image of the Day: Reunited and It Feels So Good

Image of the Day: Reunited and It Feels So Good

By The Scientist Staff | July 28, 2017

Zebrafish have a remarkable ability to heal their damaged nerve fibers following a spinal injury.

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image: Electrical Stimulation Steers Neural Stem Cells

Electrical Stimulation Steers Neural Stem Cells

By Ashley Yeager | July 3, 2017

Current can guide implanted cells away from rats’ noses toward a region deep in their brains.

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image: Cytoskeletons Direct Hydra Regeneration

Cytoskeletons Direct Hydra Regeneration

By Joshua A. Krisch | February 10, 2017

Although hydra are known for regenerating even under the most dire circumstances, disrupting their cytoskeletal structures can interfere with the process, scientists show.

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image: Image of the Day: New Beginnings

Image of the Day: New Beginnings

By The Scientist Staff | February 8, 2017

Water-dwelling hydras may use the structural memory in their cytoskeletons to regenerate after being torn apart. 

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image: Immune Cell–Stem Cell Cooperation

Immune Cell–Stem Cell Cooperation

By Waleed Rahmani, Sarthak Sinha, and Jeff Biernaskie | July 1, 2016

Understanding interactions between the immune system and stem cells could pave the way for successful stem cell–based regenerative therapies.

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image: Latest on Disputed “Youthful” Protein

Latest on Disputed “Youthful” Protein

By Kerry Grens | April 4, 2016

Studies reach conflicting conclusions on GDF11 as a rejuvenating factor.

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