adult stem cells
Scientists Discover “Gorditas” and Other Novel Brain Cell Types
Amanda Heidt | Jun 10, 2021 | 5 min read
A pool of neural stem cells that ordinarily lies dormant in the brains of adult mice spawns two types of never-before-documented glial cells when artificially reactivated, potentially pointing to a novel mechanism of brain plasticity.
The MSC: Regeneration Orchestrator
The Scientist Staff | Nov 16, 2020 | 7 min read
Scientists uncover the promise of mesenchymal stem cells (MSCs), also known as medicinal signaling cells, to modulate the immune system and regenerate tissue.
New Tools in the Works to Probe Adult Human Neurogenesis
Ashley Yeager | Oct 7, 2019 | 6 min read
Conflicting results on the existence of new neurons in adults have researchers designing new ways to identify and count neuronal progenitors—and finally get to the bottom of neurogenesis.
Adult Cardiac Stem Cells Don’t Exist: Study
Diana Kwon | Sep 5, 2018 | 3 min read
A mouse study adds to the growing body of work disputing the ability of progenitor cells to regenerate muscle tissue in adult mammals’ hearts.
Texas Stem Cell Law Opens Door for Controversial Treatments
Anna Azvolinsky | Mar 27, 2018 | 7 min read
The Scientist looks at one such Houston-based purveyor that has been treating patients abroad for years with mesenchymal stem cells.
Can Young Stem Cells Make Older People Stronger?
Shawna Williams | Dec 11, 2017 | 4 min read
Small trials using younger donors and elderly recipients hint that mesenchymal stem cell transfers might reduce frailty.
DNA Replication Errors Contribute to Cancer Risk
Anna Azvolinsky | Mar 23, 2017 | 4 min read
A follow-up study confirms that random mutations acquired during normal stem cell division likely play a major role in cancer incidence.
Stem Cell Divisions Help Explain Cancer Risk
Anna Azvolinsky | Jan 1, 2015 | 3 min read
An analysis of 31 tissues finds that random mutations acquired during stem cell divisions correlate with lifetime cancer risk.
Judges Side with FDA on Stem Cells
Kerry Grens | Feb 6, 2014 | 2 min read
A US federal appeals court maintains that stem cells proliferated in a lab must be regulated as a drug.
Week in Review, May 13–17
Jef Akst | May 17, 2013 | 3 min read
Reading pathogen epigenomes; a new stem cell; dealing with research misconduct; monkey fossils; exploratory mice grow new neurons; watching metamorphosis
Stem-Cell Clinic Moves to Mexico
Dan Cossins | Feb 1, 2013 | 1 min read
A company offering experimental stem-cell treatments will carry out its procedures in Mexico after the FDA warned that it would need approval to operate in the U.S.
Stem Cells Not Rejected
Dan Cossins | Jan 25, 2013 | 1 min read
Researchers uncover more evidence that reprogrammed stem cells are not attacked by the immune system, suggesting they may one day serve as effective therapies.
Bones Get in Her Eyes
Dan Cossins | Dec 20, 2012 | 1 min read
After undergoing untested cosmetic surgery that uses stem cells to rejuvenate skin, a woman grew bone fragments in the flesh around one of her eyes.
Opinion: Younger Is Better
David T. Harris | Aug 31, 2012 | 3 min read
Stem cells collected from younger donors are more effective for transplantation and regenerative medicine than those from older individuals.
Stem Cell Treatment = Drug
Bob Grant | Jul 30, 2012 | 1 min read
A US federal court rules that procedures in which a patient's own stem cells are extracted, manipulated, and reinjected should be regulated by the FDA.
Model Citizen
Karen Hopkin | Mar 1, 2012 | 9 min read
With an eye to understanding animal regeneration, Alejandro Sánchez Alvarado has turned a freshwater planarian into a model system to watch.