Cell Membrane Current Events | Cell Membrane News | 8
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Scripps research scientists identify new regulatory mechanism for critical protein signaling domain
The study is being published in Science Express, an advanced online edition of the journal Science, on April 5. It will appear in the print version of Science later this spring. view more (2007-04-06)
Scientists image a single HIV particle being born
A mapmaker and a mathematician may seem like an unlikely duo, but together they worked out a way to measure longitude - and kept millions of sailors from getting lost at sea. view more (2008-05-27)
Penn researchers discover key to how SARS virus infects cells
Researchers from the University of Pennsylvania School of Medicine have found that inhibitors of an enzyme called cathepsin L prevent the SARS (severe acute respiratory syndrome) virus from entering target cells. SARS is caused by an emergent coronavirus. view more (2005-08-02)
One protein, two channels: Scientists explain mechanism in aquaporins
Using computer simulations and experimental results, researchers at the University of Illinois at Urbana-Champaign and the University of Arizona have identified a key component of the gating mechanism in aquaporins that controls both the passage of water and the conduction of ions. view more (2006-09-22)
Discovery to aid study of biological structures, molecules
Researchers in the United States and Spain have discovered that a tool widely used in nanoscale imaging works differently in watery environments, a step toward better using the instrument to study biological molecules and structures. view more (2009-08-12)
Bacterial toxin closes gate on immune response, Penn researchers discover
Researchers at the University of Pennsylvania School of Medicine have demonstrated that a bacterial toxin from the common bacterium Staphylococcus aureus shuts down the control mechanism of the tunnel, called an ion channel, in immune cell membranes. view more (2008-02-14)
A potential molecular target for biotherapy esophageal squamous cell carcinomas
The cadherin superfamily has a correlate relationship with the invasion and metastasis of carcinoma. view more (2009-02-19)
TU Delft tests windmill for seawater desalination
A traditional windmill which drives a pump: that is the simple concept behind the combination of windmill/reverse osmosis developed by the Delft University of Technology (TU Delft) in The Netherlands. In this case, it involves a high-pressure pump which pushes water through a membrane using approximately 60 bar. This reverse osmosis membrane... view more... (2008-03-03)
Uranium 'pearls' before slime
Since the discovery a little more than a decade ago of bacteria that chemically modify and neutralize toxic metals without apparent harm to themselves, scientists have wondered how on earth these microbes do it. view more (2006-08-08)
Discovery of a mechanism that regulates cell movement
A study performed by researchers at the Institute for Research in Biomedicine (IRB Barcelona), in collaboration with researchers at the Instituto de Biología Molecular of the CSIC, reveal a mechanism that controls the movement of cells in a tissue by regulating cell adhesion. view more (2008-07-21)
New research sheds light on bacterial firework display
Scientists at the Institute for Animal Health have revealed how a tropical bacterium is able invade cells, and ultimately trigger its escape using a homemade rocket. Their work is published in the November issue of Molecular Microbiology. A group of scientists led by Dr Ed Galyov and Dr Mark Stevens have discovered that Burkholderia pseudomallei,... view more... (2002-11-01)
Carbon nanotube membranes allow super-fast fluid flow
Membranes composed of manmade carbon nanotubes permit a fluid flow nearly 10,000 to 100,000 times faster than conventional fluid flow theory would predict because of the nanotubes' nearly friction-free surface. view more (2005-11-04)
Unexpected role: EGFR protects cancer cells from starving
A growth factor receptor found abundantly on the surface of cancer cells and long known to fuel cancer growth also protects tumor cells from starvation by a newly identified mechanism. view more (2008-05-06)
New clues for treatment of disease that causes accelerated aging
There is renewed hope for treatment of a rare genetic condition that causes rapidly accelerated aging and leads to an average life expectancy of 13 years. view more (2007-05-03)
Where is the proton? Yale scientists discover footprints of shared protons
This week in Science, Yale researchers present "roadmaps" showing that shared protons, a common loose link between two biological molecules, simply vibrate between the molecules as a local oscillator, rather than intimately entangling with the molecular vibrations of the attached molecules. view more (2007-04-13)
New windows opened on cell-to-cell interactions
Applying biological molecules from cell membranes to the surfaces of artificial materials is opening peepholes on the very basics of cell-to-cell interaction. view more (2009-07-23)
High-tech sieve sifts for hydrogen
Whether it's used in chemical laboratories or the fuel tanks of advanced automobiles, hydrogen is mostly produced from natural gas and other fossil fuels. view more (2006-02-06)
Alzheimer's-associated enzyme can disrupt neural activity in the brain
An enzyme involved in the formation of the amyloid-beta protein associated with Alzheimer's disease can also alter the mechanism by which signals are transmitted between brain cells, the disruption of which can cause seizures. view more (2007-06-18)
Enzyme action creates protein linked to Alzheimer's disease
Researchers at UT Southwestern Medical Center have defined a key step in the production of beta-amyloid, a short protein that is thought to be responsible for the development of Alzheimer's disease. view more (2005-08-15)
Self-digestion as a means of survival
In times of starvation, cells tighten their belts: they start to digest their own proteins and cellular organs. The process - known as autophagy - takes place in special organelles called autophagosomes. view more (2009-02-27)
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