Stem cells - 19 News from the science department from USA

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Stem cells - 19 News from the science department from USA

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An errant editing enzyme promotes tumor suppressor loss and leukemia propagation

08-Jan-2019 - Researchers at University of California San Diego School of Medicine report that detection of "copy editing" by a stem cell enzyme called ADAR1, which is active in more than 20 tumor types, may provide a kind of molecular radar for early detection of malignancies and represent a new therapeutic ...

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Tracking protein’s role in stem cell function

26-Mar-2018 - MCL-1 is a member of the BCL-2 family of proteins important for blocking apoptosis, or programmed cell death. Many types of cancer cells escape the body’s effort to kill them by overexpressing MCL-1. However, new evidence from Vanderbilt University researchers indicates that MCL-1 also helps ...

stem cells apoptosis cancer cells
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Initiative taps scientists to create atlas of cells in human spinal cord

18-Oct-2017 - Scientists at Columbia's Zuckerman Institute today received a grant from the Chan Zuckerberg Initiative (CZI) donor advised fund, an advised fund of the Silicon Valley Community Foundation, to construct an atlas of gene activity of all cells in the human spinal cord. Once completed, the atlas ...

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By decoding how HPV causes cancer, researchers find a new potential treatment strategy

04-Oct-2017 - A study that teases apart the biological mechanisms by which human papillomaviruses (HPV) cause cancer has found what researchers at Georgetown University Medical Center say is a new strategy that might provide targeted treatment for these cancers. HPV is responsible for the majority of cervical ...

stem cells cancer cancers

Freeze-frames of enzymes in action have implications for a new cancer treatment concept

05-Jul-2017 - Over millions of years of evolution, cells have developed myriad ways of regulating the processes that enable them to thrive. Especially useful tools have been saved, or "conserved," over the eons, so that today we can find them in a broad spectrum of life forms, from the very primitive to the ...

stem cells cancer cancer cells

Nanostraws sample a cell's contents without damage

27-Feb-2017 - Cells within our bodies divide and change over time, with thousands of chemical reactions occurring within each cell daily. This makes it difficult for scientists to understand what's happening inside. Now, tiny nanostraws developed by Stanford researchers offer a method of sampling cell contents ...

stem cells biology cell biology
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Cell-tracking agents get a boost

31-Jan-2017 - Rice University researchers have synthesized a new and greatly improved generation of contrast agents for tagging and real-time tracking of stem cells in the body. The agent combines ultrashort carbon nanotubes and bismuth clusters that show up on X-rays taken with computed tomography (CT) ...

stem cells bismuth carbon nanotubes
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TET proteins drive early neurogenesis

12-Dec-2016 - The fate of stem cells is determined by series of choices that sequentially narrow their available options until stem cells' offspring have found their station and purpose in the body. Their decisions are guided in part by TET proteins rewriting the epigenome, the regulatory layer of chemical ...

stem cells embryonic stem cells brain
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Novel label-free microscopy enables dynamic, high-resolution imaging of cell interactions

09-Dec-2016 - Researchers from the University of Illinois at Urbana-Champaign have invented a novel live-cell imaging method that could someday help biologists better understand how stem cells transform into specialized cells and how diseases like cancer spread. The Photonic Crystal Enhanced Microscope (PCEM) ...

stem cells adhesion cancer
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Team discovers how Zika virus causes fetal brain damage

26-Aug-2016 - Infection by the Zika virus diverts a key protein necessary for neural cell division in the developing human fetus, thereby causing the birth defect microcephaly, a team of Yale scientists reported Aug. 24 in the journal Cell Reports. The findings suggest that Zika virus might be susceptible to ...

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