Every cell is enclosed by a thin double layer of lipids that separates the distinct internal environment of the cell from the extracellular space. Damage to this lipid bilayer, also referred to as plasma membrane, disturbs ...
Cell & Microbiology
Mar 14, 2012
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Silver nanoparticles cause more damage to testicular cells than titanium dioxide nanoparticles, according to a recent study by the Norwegian Institute of Public Health. However, the use of both types may affect testicular ...
Bio & Medicine
Mar 14, 2012
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(PhysOrg.com) -- A team of researchers at Karolinska Institutet in Sweden has generated a map over the effects of small drug-like molecules on PARP1 and other similar proteins in the body. This map may explain the mechanism ...
Biotechnology
Feb 20, 2012
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Since the discovery of the microscope, scientists have tried to visualize smaller and smaller structures to provide insights into the inner workings of human cells, bacteria and viruses. Now, researchers at the National Institute ...
Cell & Microbiology
Jan 12, 2012
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(PhysOrg.com) -- The use of nanoparticles in medicine is ever increasing and it is important to understand the effects these particles might have on human tissues and health in general.
Bio & Medicine
Dec 13, 2011
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Excessive exposure to ultraviolet (UV) radiation of sunlight can result in skin damage and may even induce skin cancers. Irradiation with UV light causes mutations in the DNA, which can interfere with or even inhibit the ...
Biochemistry
Nov 28, 2011
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Researchers at the University of Illinois at Chicago College of Medicine describe for the first time a key target of DNA damage checkpoint enzymes that must be chemically modified to enable stable maintenance of chromosome ...
Cell & Microbiology
Nov 23, 2011
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The accumulation of damaged protein is a hallmark of aging that not even the humble baker's yeast can escape. Yet, aged yeast cells spawn off youthful daughter cells without any of the telltale protein clumps. Now, researchers ...
Cell & Microbiology
Nov 23, 2011
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When a bacterial cell divides into two daughter cells and those two cells divide into four more daughters, then 8, then 16 and so on, the result, biologists have long assumed, is an eternally youthful population of bacteria. ...
Cell & Microbiology
Oct 27, 2011
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Scientists have discovered how cells detect tissue damage and modify their repair properties accordingly. The findings, published today [6 October] in the journal Developmental Cell, could open up new opportunities for improving ...
Biochemistry
Oct 6, 2011
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