Scientists of the University of Jaen, members of the ‘Peptides and peptidases’ research group of the Faculty of Experimental Sciences, are working on the protective effects exerted by olive oil on an animal model of diabetes and on the role of the different components of the renin-angiotensin-aldosterone system (SRAA). This is the first study of its kind that is carried out in Spain.
Diabetes is one of the world’s most serious health problems. This chronic disease occurs when the pancreas does not make enough insulin to meet your body’s needs. Insulin is a hormone whose main function is to transform the sugars contained in the food into energy. When this does not happen, the result is an excessive increase in blood sugar levels (hyperglycemia).
There are two types of diabetes- Type I, that occurs in childhood, and type II, which usually appears after the age of 40, and is generally associated with obesity. The development of the latter depends on genetic and environmental factors, one of them being food, as obesity is one of the main risk factors in this type of diabetes. Therefore, the diet plays a very important role indeed to help to control diabetes, and although until recently a complex carbohydrate and fibre-rich diet was recommended - thus avoiding simple sugars and fat-, the rich in olive oil Mediterranean diet is now becoming one of the best alternatives.
Ismael Gaona | alfa
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25.09.2017 | Institut Pasteur
MRI contrast agent locates and distinguishes aggressive from slow-growing breast cancer
25.09.2017 | Case Western Reserve University
At the productronica trade fair in Munich this November, the Fraunhofer Institute for Laser Technology ILT will be presenting Laser-Based Tape-Automated Bonding, LaserTAB for short. The experts from Aachen will be demonstrating how new battery cells and power electronics can be micro-welded more efficiently and precisely than ever before thanks to new optics and robot support.
Fraunhofer ILT from Aachen relies on a clever combination of robotics and a laser scanner with new optics as well as process monitoring, which it has developed...
Plants and algae use the enzyme Rubisco to fix carbon dioxide, removing it from the atmosphere and converting it into biomass. Algae have figured out a way to increase the efficiency of carbon fixation. They gather most of their Rubisco into a ball-shaped microcompartment called the pyrenoid, which they flood with a high local concentration of carbon dioxide. A team of scientists at Princeton University, the Carnegie Institution for Science, Stanford University and the Max Plank Institute of Biochemistry have unravelled the mysteries of how the pyrenoid is assembled. These insights can help to engineer crops that remove more carbon dioxide from the atmosphere while producing more food.
A warming planet
Our brains house extremely complex neuronal circuits, whose detailed structures are still largely unknown. This is especially true for the so-called cerebral cortex of mammals, where among other things vision, thoughts or spatial orientation are being computed. Here the rules by which nerve cells are connected to each other are only partly understood. A team of scientists around Moritz Helmstaedter at the Frankfiurt Max Planck Institute for Brain Research and Helene Schmidt (Humboldt University in Berlin) have now discovered a surprisingly precise nerve cell connectivity pattern in the part of the cerebral cortex that is responsible for orienting the individual animal or human in space.
The researchers report online in Nature (Schmidt et al., 2017. Axonal synapse sorting in medial entorhinal cortex, DOI: 10.1038/nature24005) that synapses in...
Whispering gallery mode (WGM) resonators are used to make tiny micro-lasers, sensors, switches, routers and other devices. These tiny structures rely on a...
Using ultrafast flashes of laser and x-ray radiation, scientists at the Max Planck Institute of Quantum Optics (Garching, Germany) took snapshots of the briefest electron motion inside a solid material to date. The electron motion lasted only 750 billionths of the billionth of a second before it fainted, setting a new record of human capability to capture ultrafast processes inside solids!
When x-rays shine onto solid materials or large molecules, an electron is pushed away from its original place near the nucleus of the atom, leaving a hole...
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25.09.2017 | Physics and Astronomy