News tagged with microtubule
Where injured nerve cells heal their bones
(PhysOrg.com) -- Microtubules are small protein tubes that give cells their structure and enable both their growth and division. It was assumed up to now that microtubules are formed by the centrosome, a cell ...
Medicine & Health / Medical research
Feb 23, 2010 |
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Life's smallest motor, cargo carrier of the cells, moves like a seesaw
(PhysOrg.com) -- Life's smallest motor, a protein that shuttles cargo within cells and helps cells divide, does so by rocking up and down like a seesaw, according to research conducted by scientists at the ...
Feb 18, 2010 |
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Protein identified that helps heart muscle contract
UCSF researchers have discovered that a protein called B1N1 is necessary for the heart to contract. The findings, published in the Feb. 16 issue of the open access journal PLoS Biology, shed light not only on what makes ...
Medicine & Health / Medical research
Feb 16, 2010 |
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Researchers identify proteins that might contribute to memory loss and Alzheimer's disease
A scientific group led by the Translational Genomics Research Institute (TGen) have identified three kinases, or proteins, that dismantle connections within brain cells, which may lead to memory loss associated with Alzheimer's ...
Jan 15, 2010 |
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BBS proteins shown to run an export business that protects cilia
A protein complex mutated in human disease removes excess signaling molecules to prevent them from damaging cilia, say researchers from UMass Medical School. The study will be published in the December 28 ...
Dec 28, 2009 |
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Researchers Identify Gene Mutations Underlying Risk for Most Common Form of Parkinson's Disease
(PhysOrg.com) -- Two genes containing mutations known to cause rare familial forms of parkinsonism are also associated with the more common, sporadic form of the disease where there is no family history, researchers have ...
Nov 17, 2009 |
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The plant cell's corset
We still have a lot to discover about the mechanism in plants that ensures cell growth in a specific direction. However it is clear that a structure of parallel protein tubes plays an important role. Simon Tindemans investigated ...
Sep 02, 2009 |
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Bionanomachines: Proteins as resistance fighters
(PhysOrg.com) -- Friction limits the speed and efficiency of macroscopic engines. Is this also true for nanomachines? A Dresden research team used laser tweezers to measure the friction between a single motor ...
Aug 14, 2009 |
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Tiny but toxic: Researchers discover a mechanism of neurodegeneration in Alzheimer's disease
Tiny, toxic protein particles severely disrupt neurotransmission and inhibit delivery of key proteins in Alzheimer's disease, two separate studies by Marine Biological Laboratory (MBL) researchers have found.
Mar 26, 2009 |
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Motor proteins may be vehicles for drug delivery
Specialized motor proteins that transport cargo within cells could be turned into nanoscale machines for drug delivery, according to bioengineers. Chemical alteration of the proteins' function could also help inhibit the ...
Mar 20, 2009 |
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Study Rules Out Fröhlich Condensates in Quantum Consciousness Model
(PhysOrg.com) -- Scientists don't fully understand how consciousness works, and, so far, no classical theories can explain consciousness in the brain. In light of this lack of understanding, some researchers ...
Mar 10, 2009 |
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Single molecule tracking helps reveal mechanism of chromosome separation in dividing cells
(PhysOrg.com) -- University of Washington (UW) researchers are helping to write the operating manual for the nano-scale machine that separates chromosomes before cell division. The apparatus is called a spindle ...
Mar 06, 2009 |
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Scientists deconstruct cell division
The last step of the cell cycle is the brief but spectacularly dynamic and complicated mitosis phase, which leads to the duplication of one mother cell into two daughter cells. In mitosis, the chromosomes ...
Biology /
Feb 08, 2009 |
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