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Life Sciences - Medicine/Pharmacology
22.12.2016
Forces at play: A new infection route for bacteria
Forces at play: A new infection route for bacteria
Snapshots from a Molecular Dynamics simulation of a single shigella toxin particle binding to its lipid partners in the vesicle membrane (side and top views).
Life Sciences - Medicine/Pharmacology
21.12.2016
Aging & cancer: An enzyme protects chromosomes from oxidative damage
Aging & cancer: An enzyme protects chromosomes from oxidative damage
EPFL scientists have identified a protein that caps chromosomes during cell division and protects them from oxidative damage and shortening, which are associated with aging and cancer. When cells divide, they pack up all of their genetic material in the tightly wrapped chromosomes. The ends of our chromosomes have a unique structure, named a telomere.
Life Sciences - Medicine/Pharmacology
19.12.2016
How complex cells originated
How complex cells originated
Media releases, information for representatives of the media Media Relations (E) Mitochondria are the ‘power plants' of complex cells. In order to provide the cell with energy they need protein building blocks, which are imported from the outside. Over billions of years the ‘protein import machines' necessary for this process have developed differently than previously assumed, as biochemists in Bern have discovered.
Medicine/Pharmacology - Life Sciences
08.12.2016
New weapon against Diabetes
New weapon against Diabetes
Researchers have used the simplest approach yet to produce artificial beta cells from human kidney cells. Like their natural model, the artificial cells act as both sugar sensors and insulin producers. Researchers led by ETH Professor Martin Fussenegger at the Department of Biosystems Science and Engineering (D-BSSE) in Basel have produced artificial beta cells using a straightforward engineering approach.
Medicine/Pharmacology
07.12.2016
"Pulling" bacteria out of blood
Magnets instead of antibiotics could provide a possible new treatment method for blood infection. This involves the blood of patients being mixed with magnetic iron particles, which bind the bacteria to them after which they are removed from the blood using magnets.
Life Sciences - Medicine/Pharmacology
07.12.2016
Miraculous proliferation
Miraculous proliferation
Bacteria able to shed their cell wall assume new, mostly spherical shapes. ETH researchers have shown that these cells, known as L-forms, are not only viable but that their reproductive mechanisms may even correspond to those of early life forms. Researchers from a group led by ETH professor Martin Loessner discovered a few years ago that rod-shaped Listeria can become spherical.
Life Sciences - Medicine/Pharmacology
07.12.2016
Gene
Gene "bookmarking" regulates the fate of stem cells
A protein that stays attached on chromosomes during cell division plays a critical role in determining the type of cell that stem cells can become. The discovery, made by EPFL scientists, has significant implications for stem cell biology and their use in medicine. When cells divide, DNA is neatly wrapped up into chromosomes, and the normal expression of genes into proteins stops until the new cells are formed.
Medicine/Pharmacology - Social Sciences
06.12.2016
Honey bee teenagers speed up the ageing process of their elders
Honey bee teenagers speed up the ageing process of their elders
Bern, 06.12.2016 - Honey bee (Apis mellifera) colonies are complex societies, in which work is not distributed by a central power. How tasks are allocated among workers is still poorly understood. A research team from the Swiss Bee Research Center at Agroscope and the Institute of Bee Health at the University of Bern (both Switzerland), discovered that young adults influence this process by promoting older individuals to perform duties outside the hive, which shortens their life expectancy.
Physics/Materials Science - Medicine/Pharmacology
02.12.2016
High-precision magnetic field sensing
High-precision magnetic field sensing
Scientists have developed a highly sensitive sensor to detect tiny changes in strong magnetic fields. The sensor may find widespread use in medicine and other areas. Researchers from the Institute for Biomedical Engineering, which is operated jointly by ETH Zurich and the University of Zurich, have succeeded in measuring tiny changes in strong magnetic fields with unprecedented precision.
Medicine/Pharmacology - Life Sciences
30.11.2016
A method for storing vaccines at room temperature
A method for storing vaccines at room temperature
Several simple and inexpensive techniques make it possible to store antiviral-vaccines at room temperature for several months.
Medicine/Pharmacology
30.11.2016
An agent used to treat psoriasis may be aimed at the wrong target
An agent used to treat psoriasis may be aimed at the wrong target
Common psoriasis, also called psoriasis vulgaris, is an inflammatory skin disease that is characterized by severely scaling skin in areas ranging from small to palm-sized. The disease is estimated to affect between two and three percent of all Europeans. The cause is said to be immune system malfunctions: the underlying mechanism involves the immune cells reacting to skin cells.
Life Sciences - Medicine/Pharmacology
23.11.2016
Starch from yeast
Starch from yeast
Researchers at ETH Zurich have produced starch in yeast - the first time this has been achieved in a non-plant organism. The new model system now makes it easier for them to investigate how starch is formed and what role is played by the enzymes involved. In future, it may be possible to use yeast to trial specific modifications of starch.
Medicine/Pharmacology - Life Sciences
21.11.2016
Protein packaging may cause the immune attacks of type-1 diabetes
Protein packaging may cause the immune attacks of type-1 diabetes
Type-1 diabetes occurs when immune cells attack the pancreas. EPFL scientists have now discovered what may trigger this attack, opening new directions for treatments. Type-1 diabetes is the rarest but most aggressive form of diabetes, usually affecting young children and adolescents. The patient's own immune cells begin to attack the cells in the pancreas that make insulin, eventually eliminating its production in the body.
Life Sciences - Medicine/Pharmacology
16.11.2016
Taking miniature organs from lab to clinic
Taking miniature organs from lab to clinic
EPFL scientists have developed a gel for growing miniaturized body organs that can be used in clinical diagnostics and drug development.
Medicine/Pharmacology
16.11.2016
Smartwatches connect intensive care doctors and their patients
Smartwatches connect intensive care doctors and their patients
Researchers have come up with a way to link a smartwatch to the metabolic monitors used with patients in intensive care. If the sensors - which were developed at EPFL - detect an anomaly, the doctor on duty receives an alert anywhere in the hospital. Intensive care doctors may soon be able to wear a smartwatch connected to the system that keeps tabs on the vital parameters of patients in the intensive care unit.
Medicine/Pharmacology - Life Sciences
10.11.2016
Red squirrels in the British Isles are infected with leprosy bacteria
Red squirrels in the British Isles are infected with leprosy bacteria
Microbiologists at EPFL and the University of Edinburgh have discovered that red squirrels in Britain and Ireland carry the two bacterial species that cause leprosy in humans. Once rampant in medieval Europe, leprosy dramatically declined by the end of the Middle Ages for reasons that are still unclear.
Life Sciences - Medicine/Pharmacology
09.11.2016
Primates Regain Control of Paralyzed Limb
Primates Regain Control of Paralyzed Limb
Non-human primates regain control of their paralyzed leg ­- as early as six days after spinal cord injury - thanks to a neuroprosthetic interface that acts as a wireless bridge between the brain and spine, bypassing the injury.
Medicine/Pharmacology - Life Sciences
01.11.2016
Tuberculosis bacteria find their ecological niche
Tuberculosis bacteria find their ecological niche
Researchers at the Swiss Tropical and Public Health Institute (Swiss TPH) and the University of Basel have isolated and analyzed genetically tuberculosis bacteria from several thousand patients from over a hundred countries. This analysis demonstrates that the tuberculosis bacteria vary in their ecological niche.
Medicine/Pharmacology - Life Sciences
24.10.2016
Calcium Induces Chronic Lung Infections
Calcium Induces Chronic Lung Infections
The bacterium Pseudomonas aeruginosa is a life-threatening pathogen in hospitals. About ten percent of all nosocomial infections, in particular pneumonia, are caused by this pathogen. Researchers from the University of Basel's Biozentrum, have now discovered that calcium induces the switch from acute to chronic infection.
Life Sciences - Medicine/Pharmacology
20.10.2016
First cyborg bacteria developed
First cyborg bacteria developed
ETH scientists have constructed bacteria in which growth can be controlled fully automatically by a computer.
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