News tagged with endocytosis
Endocytosis
Endocytosis is a process by which cells absorb molecules (such as proteins) by engulfing them. It is used by all cells of the body because most substances important to them are large polar molecules that cannot pass through the hydrophobic plasma or cell membrane. The process which is the opposite to endocytosis is exocytosis.
For more information about Endocytosis, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
Chemists reveal the force within you
A new method for visualizing mechanical forces on the surface of a cell, reported in Nature Methods, provides the first detailed view of those forces, as they occur in real-time.
Nov 09, 2011 |
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Endocytosis is simpler than suspected
A protein by the name of clathrin plays a key part in endocytosis, the process by which living cells absorb large molecules. The protein can form “cages”, in which these molecules become trapped. ...
Jul 07, 2011 |
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A fingerprint for genes
Cells may not have a mouth, but they still need to ingest substances from the external environment. If this process - known as endocytosis - is affected, it can lead to infectious diseases or cardio-vascular ...
Mar 05, 2010 |
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Lipid droplets lead a Spartin existence
Spartin, a protein linked to the neuronal disease Troyer syndrome, was thought to function in endocytosis. In the March 23, 2009 issue of the Journal of Cell Biology, Eastman et al. identify an unexpected role f ...
Mar 23, 2009 |
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Search results for endocytosis
Study shows cell-penetrating peptides for drug delivery act like a Swiss Army Knife
(PhysOrg.com) -- Cell-penetrating peptides, such as the HIV TAT peptide, are able to enter cells using a number of mechanisms, from direct entry to endocytosis, a process by which cells internalize molecules ...
Oct 04, 2011 |
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Spiral constriction -- how dynamin mediates cellular nutrient uptake
Dr. Katja Falber and Professor Oliver Daumke, structural biologists at the Max Delbruck Center for Molecular Medicine (MDC) Berlin-Buch, together with researchers from Freie Universität (FU) Berlin, have determined the ...
Sep 20, 2011 |
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Why carbon nanotubes spell trouble for cells
It's been long known that asbestos spells trouble for human cells. Scientists have seen cells stabbed with spiky, long asbestos fibers, and the image is gory: Part of the fiber is protruding from the cell, ...
Nanotechnology / Bio & Medicine
Sep 18, 2011 |
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A surprising new vehicle for drug delivery?
(PhysOrg.com) -- Are our bodies vulnerable to some pollutants whose lack of solubility in water, or "hydrophobicity," has always been thought to protect us from them? New Tel Aviv University research has discovered ...
Mar 30, 2011 |
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New research aims to shut down viral assembly line
Under the electron microscope, a coronavirus may resemble a spiny sea urchin or appear crownlike, (the shape from which this family of pathogens takes its name). Previously recognized as the second leading ...
Jan 11, 2011 |
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Effect of 6 mT SMF on phagocytosis depends on macrophage differentiation degree
A paper from researchers of the University of Salento led by Luciana Dini offers evidence that the exposure to 6 mT SMF field affects removal of dying cells. They found that monocyte/macrophages differentiation degree is ...
Medicine & Health / Medical research
Dec 03, 2010 |
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New insight into dementia pathophysiology
New research unravels a key molecular pathway underlying a neurodegenerative disorder that causes a devastating type of dementia. The study, published by Cell Press in the November 18 issue of the journal Neuron, sheds light ...
Medicine & Health / Neuroscience
Nov 17, 2010 |
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Chemists discover proton mechanism used by flu virus to infect cells
The flu virus uses a shuttle mechanism to relay protons through a channel in a process necessary for the virus to infect a host cell, according to a research project led by Mei Hong of Iowa State University ...
Oct 21, 2010 |
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Regulation of cell proliferation is dependent on nucleocytoplasmic trafficking
Researchers at The Pennsylvania State University College of Medicine, Hershey, Pennsylvania have discovered that the Opioid Growth Factor (OGF, [Met5]-enkephalin) and its receptor, OGFr, a clinically important system with ...
Aug 23, 2010 |
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A turning point for young neurons
During neural development, newborn neurons extend axons toward distant targets then form connections with other cells. This process depends on the growth cone, a dynamic structure at the growing axon tip of ...
Medicine & Health / Neuroscience
Aug 03, 2010 |
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