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Search results for stem cells

Biotechnology Dec 1, 2020

CRISPR tagging improves accuracy of model cells grown from stem cells

A team of biomedical engineers at Duke University has created a new way to turn stem cells into a desired cell type by mastering the language of gene regulatory networks.

Biotechnology Nov 23, 2020

Scientists reveal role of RNA helicase in zygote activation and stem cell homeostasis in plants

After double fertilization, zygotic activation occurs that initiates a new life cycle, followed by cell divisions, cell differentiation and organogenesis. During post-embryonic development, stem cells located in shoot apical ...

Molecular & Computational biology Oct 27, 2020

How stem cells choose their careers

"What do you want to be when you grow up?" is a question it seems like every child gets asked. A few precocious ones might answer "a doctor" or "an astronaut," but most will probably smile and shrug their shoulders. But well ...

Cell & Microbiology Oct 9, 2020

A dance of histones silences transposable elements in pluripotent stem cells

A study lead by SciLifeLab Fellow Simon Elsässer elucidates the mechanism of a peculiar type of heterochromatin, used by embryonic stem cells to silence 'parasitic' DNA-elements within the context of their highly dynamic ...

Bio & Medicine Oct 5, 2020

Nanoparticles can turn off genes in bone marrow cells

Using specialized nanoparticles, MIT engineers have developed a way to turn off specific genes in cells of the bone marrow, which play an important role in producing blood cells. These particles could be tailored to help ...

Cell & Microbiology Oct 5, 2020

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. ...

Cell & Microbiology Sep 17, 2020

'Cellular compass' guides stem cell division in plants

The stem cells tasked with creating and maintaining biological tissues have a difficult job. They have to precisely divide to form new specialized cells, which are destined to different fates even though they contain identical ...

Molecular & Computational biology Sep 17, 2020

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, ...

Evolution Sep 7, 2020

New insight into mammalian stem cell evolution

The genes regulating pluripotent stem cells in mammals are surprisingly similar across 48 species, Kyoto University researchers report in the journal Genome Biology and Evolution. The study also shows that differences among ...

Cell & Microbiology Sep 4, 2020

Coaxing single stem cells into specialized cells

Researchers at the University of Illinois Chicago have developed a unique method for precisely controlling the deposition of hydrogel, which is made of water-soluble polymers commonly used to support cells in experiments ...

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