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47 Current news about the topic cells

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3D analysis of retinal tissue shows how to keep shape during organ growth

20-Aug-2018

During the early development of an embryo, many tissues and organs already form their final shape. This shape has to be maintained while the organism keeps growing. As the correct shape of a tissue is often essential for its proper function, it is crucial to understand how it remains unchanged ...

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New Method Refines Cell Sample Analysis

Innovation in the field of biomedicine

06-Aug-2018

Researchers at the University of Zurich have developed a novel method which increases more than tenfold the number of proteins that can be visualized per sample, making it possible to generate a comprehensive map of cellular organization across the various cellular states. This highly ...

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Researchers predict cell conversion factors

Potential for regenerative medicine

01-Aug-2018

Thanks to a newly developed computational method, Luxembourg researchers can accurately predict how one subpopulation of cells can be converted into another. “The method has great potential for regenerative medicine when it comes to replacing cell subpopulations that have been lost in the course ...

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Toxicity of carbon and silicon nanotubes and carbon nanofibers

20-Jul-2018

Nanoparticles with a wide range of applying, including medicine, damage cells of microalgae Heterosigma akashivo badly. This algae species is widely spread in the Russian Far East marine area. The acute toxic effect exhibited at concentrations of 100 mg/l of carbon nanotubes (CNTs) and silicon ...

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Olfactory receptors have more functions than merely smell perception

19-Jul-2018

Olfactory receptors can be found in all types of human tissue, and they may become of great interest in the field of medical science. Numerous studies to date have shown that olfactory receptors are relevant not only for smell perception, but that they also play a significant physiological and ...

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Stop aging?

Key molecule of aging discovered

22-Jun-2018

Every cell and every organism ages sooner or later. But why is this so? Scientists at the German Cancer Research Center in Heidelberg have now discovered for the first time a protein that represents a central switching point in the aging process. It controls the life span of an individual - from ...

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The world's tiniest first responders

'Walking molecules' haul away damaged DNA to the cell's emergency room

22-Jun-2018

The cell has its own paramedic team and emergency room to aid and repair damaged DNA, a new USC Dornsife study reveals. The findings are timely, as scientists are delving into the potential of genome editing with the DNA-cutting enzyme, CRISPR-Cas9, to treat diseases or to advance scientific ...

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In the beginning was the phase separation

Was a simple mechanism decisive for the origin of life?

25-May-2018

The question of the origin of life remains one of the oldest unanswered scientific questions. A team at the Technical University of Munich (TUM) has now shown for the first time that phase separation is an extremely efficient way of controlling the selection of chemical building blocks and ...

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Designer cells: artificial enzyme can activate a gene switch

A new kind of chemistry in living organisms

24-May-2018

Complex reaction cascades can be triggered in artificial molecular systems: Swiss scientists have constructed an enzyme than can penetrate a mammalian cell and accelerate the release of a hormone. This then activates a gene switch that triggers the creation of a fluorescent protein. The findings ...

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A new way to stimulate cellular recycling process

18-May-2018

Brown University researchers studying the biology of aging have demonstrated a new strategy for stimulating autophagy, the process by which cells rebuild themselves by recycling their own worn-out parts. In a study the researchers show that the approach increased the lifespans of worms and flies, ...

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