7 Days in Science – October 11, 2019
List Oct 11, 2019
Would You Know if Crystal Meth Had Been Cooked in Your House?
A new study has revealed that methamphetamine contamination in houses is a public health problem around the world.
Published in: Int. J. Environ. Res. Public Health
“MOR” Hope Towards a Schizophrenia Treatment
Mu-opioid receptors (MOR) play a crucial role in how we experience pleasure and reward. A new paper reports how the MOR system contributes to the negative symptoms displayed in schizophrenia patients.
Published in: Nature Communications
A Gender-distinct Circuit for Depression?
Depression affects women nearly twice as much as men, but unraveling the brain's blueprint that regulates this behavior, let alone identifying specific molecular differences between sexes, has proven difficult. Researchers have found and flipped a switch in the brain, revealing a single circuit in mice that activates during stress and is controlled by testosterone.
Published in: Biological Psychiatry
Stem Cell Treatment Reverses Demyelinating Disease
Neuromyelitis optica is a degenerative automimmune brain disease related to multiple sclerosis. Researchers say that a small trial of hematopoietic stem cell transplantation, where the immune system is largely destroyed and rebuilt from stem cells, has seen patients' symptoms halt and even improve.
Published in: Neurology
2019 Nobel Prize in Physiology or Medicine Announced
The 2019 Nobel Prize in Physiology or Medicine has been jointly awarded to William G. Kaelin, Jr., Sir Peter J. Ratcliffe and Gregg L. Semenza for their discoveries of “how cells sense and adapt to oxygen availability.”
Several achievements in cell biology have been recognized by the Nobel Prize over the years, ranging from ion channels, to immunology, to cell death, highlighting the importance of the field to science. Here we take a closer look at seven of these prizes, exploring the remarkable discoveries behind them.
Amino acids are the building blocks that form polypeptides and ultimately proteins. Consequently, they are fundamental components of our bodies and vital for physiological functions such as protein synthesis, tissue repair and nutrient absorption. In this article I take a closer look at amino acid properties, how they are used in the body and where they come from.
Vespa velutina (Asian hornet) with venom on its stinger. This image won 19th place in Nikon’s 2018 Photomicrography Competition.
Featured in our eBook, The Spectacularly Small World.
Credit: Pierre Anquet
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