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Course-correcting Stem Cells that Missed the Memo

News   Nov 20, 2018 | Original story from Washington University School of Medicine in St Louis

10-20% of Cells in a Kidney Organoid Found to be Non-Renal

Scientists at Washington University School of Medicine in St. Louis have identified rogue cells – namely brain and muscle cells – lurking in kidney organoids, an indication that the “recipes” used to coax stem cells into becoming kidney cells inadvertently are churning out other cell types. The researchers also demonstrated they could prevent most of those wayward cells from forming, an approach that could be adopted by scientists working with other organoids, such as those of the brain, lung or heart. The image shows brain neurons in red and kidney cells in green. Image credit: Washington University School of Medicine in St Louis.



Stray Dogs Understand Human Gestures Without Prior Training


If you have a dog, hopefully you're lucky enough to know that they are highly attuned to their owners and can readily understand a wide range of commands and gestures. But are these abilities innate or are they exclusively learned through training? To find out, researchers investigated whether untrained stray dogs could understand human pointing gestures.


Minipig Study Shows How Sugar Can Alter the Brain's Reward System


A study that imaged the brain of minipigs before and after consuming sugar water has drawn comparisons between sugar's effect on the brain and that of addictive drugs. The research, from Aarhus University, was published in Scientific Reports.


Exercise Boosts Memory Like Caffeine


A new study suggests that exercise can boost working memory as much as caffeine, whilst also potentially reducing the negative effects of caffeine withdrawal.



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