News tagged with cellular membranes
Study reveals natural process that blocks viruses
The human body has the ability to ward off viruses by activating a naturally occurring protein at the cellular level, setting off a chain reaction that disrupts the levels of cholesterol required in cell membranes to enable ...
Medical research
Apr 17, 2013 |
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Resistance is futile: Researchers identify gene that mediates cisplatin resistance in ovarian cancer
Platinum compounds, such as cisplatin and carboplatin, induce DNA cross-linking, prohibiting DNA synthesis and repair in rapidly dividing cells. They are first line therapeutics in the treatment of many solid tumors, but ...
Cancer
Apr 15, 2013 |
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Fatheads: How neurons protect themselves against excess fat
We're all fatheads. That is, our brain cells are packed with fat molecules, more of them than almost any other cell type. Still, if the brain cells' fat content gets too high, they'll be in trouble. In a recent study in mice, ...
Medical research
Apr 08, 2013 |
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Protein in fat cells that stimulates inflammatory signaling helps put gears in motion for onset of diet-induced obesity
Poor diet and lifestyle choices set the stage for obesity and diabetes, but the immune system plays a relatively underappreciated role in accelerating this process. Metabolic changes in fat cells stimulate ...
Medical research
Mar 15, 2013 |
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More than just a backup system: PI3K-Delta in tumour surveillance
If something is really important, it's best not to rely on it. This basic principle is followed equally by human engineers – for example, the NASA space shuttle has three main engines – and by nature. Thus it could ...
Cancer
Jan 30, 2013 |
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Scientists find mechanism that triggers immune responses to DNA
(Medical Xpress)—Free-floating pieces of DNA in a cell's watery interior can mean bad things: invading viruses, bacteria, or parasites, ruptured cellular membranes, or disease. Genetic material is meant to be contained ...
Medical research
Dec 21, 2012 |
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Cholesterol helps regulate key signaling proteins in the cell
Cholesterol plays a key role in regulating proteins involved in cell signaling and may be important to many other cell processes, an international team of researchers has found.
Medical research
Dec 19, 2012 |
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In vitro study finds digested formula, but not breast milk, is toxic to cells
Free fatty acids created during the digestion of infant formula cause cellular death that may contribute to necrotizing enterocolitis, a severe intestinal condition that is often fatal and occurs most commonly ...
Pediatrics
Dec 10, 2012 |
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Scientists identify inhibitor of myelin formation in the central nervous system
Scientists at the Mainz University Medical Center have discovered another molecule that plays an important role in regulating myelin formation in the central nervous system. Myelin promotes the conduction of nerve cell impulses ...
Medical research
Nov 20, 2012 |
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UNM Cancer Center researcher looks for genetic markers for ovarian cancer
Ovarian cancer is a deadly disease. With no overt symptoms and no screening tests to catch it early, ovarian cancer is often detected at stage 3 or later. By then, it can be very aggressive and may have spread beyond the ...
Cancer
Oct 23, 2012 |
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Fitting Kv potassium channels in the PIP2 puzzle
A recent study in the Journal of General Physiology brings new insights to an area of ion channel regulation: whether voltage-gated potassium (Kv) channels can be regulated by physiological changes to PIP ...
Medical research
Aug 27, 2012 |
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It must be important but what does it do? The strange case of UCP2
When uncoupling proteins are active, mitochondria produce heat instead of ATP. This may be useful under certain circumstances, such as when an animal is hibernating. But non-hibernating animals also have them. Particularly ...
Medical research
Aug 17, 2012 |
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Arsenic for better drugs and cleaner crops
Research carried out at the University of Gothenburg may lead to more effective arsenic-containing drugs. The results may also lead to more resistant plants, and crops with a limited absorption and storage of arsenic.
Medications
Jun 25, 2012 |
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Phase I study of temsirolimus, capecitabine proves safe; positive survival trend seen
A phase I clinical trial examining the safety of combining temsirolimus and capecitabine in advanced malignancies suggests the two agents can be given safely to patients. In addition, the Georgetown Lombardi Comprehensive ...
Cancer
May 16, 2012 |
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Researchers identify key regulator of inflammatory response
(Medical Xpress) -- Researchers at Boston University School of Medicine (BUSM) have identified a gene that plays a key role in regulating inflammatory response and homeostasis. These findings could help lead to the development ...
Inflammatory disorders
Apr 12, 2012 |
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