News tagged with cell cytoplasm
New study overturns orthodoxy on how macrophages kill bacteria
For decades, microbiologists assumed that macrophages, immune cells that can engulf and poison bacteria and other pathogens, killed microbes by damaging their DNA. A new study from the University of Illinois ...
Apr 27, 2009 |
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Rediscovery: Scientists confirm role for mysterious cell component, the nucleolinus
When searching for long-lost treasure, sometimes all you need is a good flashlight.
Jul 22, 2010 |
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In scientific first, researchers visualize naturally occurring mRNA
In a technique that could eventually shed light on how gene expression influences human disease, scientists at Albert Einstein College of Medicine of Yeshiva University have for the first time ever successfully visualized ...
Jan 16, 2011 |
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Scientists learn why some drugs pack such a punch
By studying the intricate mechanisms at work in protein production, a Princeton-led team has discovered why certain kinds of antibiotics are so effective. In doing so, they also have discovered how one protein ...
Aug 20, 2009 |
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Built-in 'self-destruct timer' causes ultimate death of messenger RNA in cells
Researchers at Albert Einstein College of Medicine of Yeshiva University have discovered the first known mechanism by which cells control the survival of messenger RNA (mRNA) -- arguably biology's most important molecule. ...
Dec 22, 2011 |
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The breakdown of barriers in old cells may hold clues to aging process
Like guards controlling access to a gated community, nuclear pore complexes are communication channels that regulate the passage of proteins and RNA to and from a cell's nucleus. Recent studies by researchers ...
Biology /
Jan 22, 2009 |
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Nanoneedle is small in size, but huge in applications
(PhysOrg.com) -- Researchers at the University of Illinois have developed a membrane-penetrating nanoneedle for the targeted delivery of one or more molecules into the cytoplasm or the nucleus of living cells. ...
Nanotechnology / Bio & Medicine
Apr 28, 2009 |
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How disordered proteins spread from cell to cell, potentially spreading disease
One bad apple is all it takes to spoil the barrel. And one misfolded protein may be all that's necessary to corrupt other proteins, forming large aggregations linked to several incurable neurodegenerative diseases such as ...
Medicine & Health / Medical research
Feb 18, 2011 |
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Amoeba offers key clue to photosynthetic evolution
(PhysOrg.com) -- The major difference between plant and animal cells is the photosynthetic process, which converts light energy into chemical energy. When light isn't available, energy is generated by breaking ...
Feb 27, 2012 |
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Groundbreaking research shows platelets can reproduce in circulation
University of Utah researchers led an international team of scientists that is the first to report on the previously undescribed ability of platelets to reproduce themselves in the circulation. Their revolutionary findings ...
Medicine & Health / Medical research
Jan 26, 2010 |
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Using Gold Nanoparticles to Hit Cancer Where It Hurts
(PhysOrg.com) -- Taking gold nanoparticles to the cancer cell and hitting them with a laser has been shown to be a promising tool in fighting cancer, but what about cancers that occur in places where a laser light can’t reach? ...
Nanotechnology / Bio & Medicine
Feb 15, 2010 |
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Supercharged proteins enter biology's forbidden zone
Scientists are reporting discovery of a way to help proteins such as the new generation of protein-based drugs -- sometimes heralded as tomorrow's potential "miracle cures" -- get past the biochemical "Entrance ...
Jul 14, 2010 |
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'Copper pump's' potential benefit in cancer treatment
(Phys.org) -- A team of University of California, San Diego researchers has made new discoveries about a copper-transporting protein in the membranes of human cells that drug-discovery scientists can co-opt ...
May 17, 2012 |
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Viruses are sneakier than we thought
Viruses are molecular marauders, plundering cells for the resources they need to multiply. Of central importance for viruses is the ability to commandeer cellular gene expression machinery. Several human herpesviruses put ...
May 27, 2009 |
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Got zinc? New zinc research suggests novel therapeutic targets
Everyone knows that vitamins "from A to zinc" are important for good health. Now, a new research study in the August 2009 print issue of the Journal of Leukocyte Biology suggests that zinc may be pointing the way to new th ...
Jul 30, 2009 |
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