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6 Current news of Universität Magdeburgrss
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Scientists find that associative learning of fear is mediated by a novel dopamine circuit
A team of neurobiologists, led by scientists at the Research Institute of Molecular Pathology (IMP) in Vienna, has identified a novel neuronal circuit in the midbrain that gates fear learning. They found that the neurotransmitter dopamine, so far merely associated with reward and motivation, ...
Time and again – the flu is coming to Germany. The number of cases of the current wave of influenza is still rising. When influenza viruses – the cause of the flu – enter our body, the immune system recognises them as being foreign by means of various receptors and starts a defence programme. ...
The incidence of chronic inflammatory lung diseases is on the rise throughout the world. According to the World Health Organization (WHO), they will become the third leading cause of death worldwide by 2030. So far, there is no reliable therapy, which only reflects the fact that the underlying ...
Increased immune reaction associated with a rare bone marrow disease
Patients afflicted by myeloproliferative neoplasia – a group of chronic malignant bone marrow diseases – bear a mutation in their haematopoietic stem cells. The mutation leads to the bone marrow producing too many blood cells, which thickens the blood. This can lead to blood clots or clogged ...
How the brain simulates external rewards to boost memory formation
Volunteers had to learn the meaning of a new word using the context provided by two sentences. Correct learning could only be achieved if both sentences evoked a congruent meaning. Activity of the reward-memory loop (accumbens-midbrain-hippocampus) plus the subjective feeling of pleasantness ...
Protein prevents immune cell suicide
A protein called c-FLIP-R is critical to immune cell survival: If this molecule is missing, the cells kill themselves – and are thus no longer able to perform their job fighting off invaders. Apoptosis, programmed cell death, is a kind of cellular suicide program. If something triggers it, the ...