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Cell Stress Research for Better Health and Better Beer

News   Feb 12, 2019 | Original story from Chalmers University of Technology

Digital Holographic Microscope Generates Label-free Cell Measurements

The cells’ reactions to stress is measured through a method in which a laser beam is first split into two light paths. One of the light paths passes through a cell sample, and one does not. The two beams are then recombined at a slight offset angle. It is then possible to read changes in the cell’s properties through the variations in the beams’ phase offsets. ​​​ ​Illustration: Yen Strandqvist​



Ketone Bodies Help Maintain a Large Pool of Adult Intestinal Stem Cells


Researchers at MIT have discovered an unexpected finding of consuming a ketogenic diet. Ketone bodies are known to activate signaling pathways implicated in stem cell differentiation. In a mouse model, they have shown that high levels of ketone bodies help the intestine to maintain a large pool of adult stem cells. These stem cells contribute to keeping the lining of the intestine healthy.


Dietary Zinc Important for Fighting Infection


Researchers have uncovered a crucial link between dietary zinc intake and protection against Streptococcus pneumoniae, the primary bacterial cause of pneumonia.


Storing Complex “Memories” in the DNA of Living Cells


Using a technique that can precisely edit DNA bases, MIT researchers have created a way to store complex "memories" in the DNA of living cells, including human cells.



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