Terahertz zaps alter gene activity in stem cells

Terahertz light pulses change gene expression in stem cells, report researchers from Kyoto University's Institute for Integrated Cell-Material Sciences (iCeMS) and Tokai University in Japan in the journal Optics Letters. ...

Super-potent blood stem cells discovered in human embryos

Stem cells that form the blood and immune system, so-called hematopoietic stem cells (HSCs), have important applications in the treatment of blood cancers and other diseases of the immune system. Through blood stem cell transplantation, ...

New material mimics strength, toughness of mother of pearl

In the summer, many people enjoy walks along the beach looking for seashells. Among the most prized are those that contain iridescent mother of pearl (also known as nacre) inside. But many beachcombers would be surprised ...

Turning off 'junk DNA' may free stem cells to become neurons

For every cell in the body there comes a time when it must decide what it wants to do for the rest of its life. In an article published in the journal PNAS, NIH researchers report for the first time that ancient viral genes ...

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