One Of The Smoothest, Most Beautiful Color Changes I’ve Ever Seen.

Neuroscientist captures an MRI of a mother and child

Professor Rebecca Saxe (MIT) has taken the first ever MR image of a mother and child. 

“This picture is an MR image of a mother and a child that I made in my lab at MIT. You might see it as sweet and touching… an image of universal love. We can’t see clothes or hairstyles or even skin colour. From what we do see, the biology and the brains, this could be any mother and child or even father and child at any time and place in history; having an experience that any human can recognise.

Or you might see it as disturbing, a reminder that our human bodies are much too fragile as houses for ourselves. MRI’s are usually medical images and often bad news. Each white spot in that picture is a blood vessel that could clog, each tiny fold of those brains could harbour a tumour. The baby’s brain maybe looks particularly vulnerable pressed against the soft thin shell of its skull.

I see those things, universal emotions and frightening fragility but I also see one of the most amazing transformations in biology.”

Quotes have been taken from a TEDx talk given by Professor Saxe explaining the story behind the above picture.

This massive virus with its own immune system could hold the future of medicine

French researchers think they’ve found a giant virus big enough to house its own virus-killing devices using a system like CRISPR, and it could be a completely new form of life.

Called a mimivirus, it was first found growing in amoebae in a water tower. At four times the size of a typical virus, you can even see it under a light microscope

When the mimivirus encounters another virus, it stores some of the invader’s genetic material. That way, when it encounters the same kind of virus again, the MIMIVIRE system goes into gene-editing berserker mode, finding the key genes of the virus and cutting them to inert oblivion. This could have major applications.

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Here’s something cool to do with your leftover candy corn – all you have to do is head to space.

Astronauts are allowed to bring special “crew preference” items when they go up in space. NASA astronaut Don Pettit chose candy corn for his five and a half month stint aboard the International Space Station. But these candy corn were more than a snack, Pettit used them for experimentation.

See how he did it:

Sounds, such as music and noise, are capable of reliably affecting individuals’ moods and emotions, possibly by regulating brain dopamine, a neurotransmitter strongly involved in emotional behavior and mood regulation.

Cosmos: A Spacetime Odyssey | Super/hypernova + Colors.

It’s #InternationalWomensDay! Here are twelve pioneering female chemists. Larger image & downloadable poster: http://wp.me/p4aPLT-2ra

 Poison in the Brain: Toxic Structures in Neuronal Nuclei of Alzheimer’s Patients 

Spherical structures in the nucleus of nerve cells, so-called nuclear spheres, are suspected to trigger Alzheimer’s disease. A team headed by Dr Thorsten Müller from the research group Cell Signaling in Neurodegeneration has for the very first time demonstrated the presence of the presumably toxic protein aggregates in the human brain. The researchers from Ruhr-Universität Bochum have published their article in the journal Neurobiology of Aging.

The team compared brain samples from Alzheimer’s patients with those of the healthy individuals in the same age group. The result: in the samples taken from Alzheimer’s patients, the number of nuclear spheres was much higher than in those taken from healthy study participants.

Moreover, the group from Bochum analysed in what way nuclear spheres are generated. It was demonstrated in experiments with cell cultures that the amyloid precursor protein (APP) plays a crucial role in this process. APP has long been associated with Alzheimer’s disease. The researchers observed that nuclear sphere generation preferably takes place, if the amyloid precursor protein carries no phosphate group in a specific amino acid. An APP cleavage product, moreover, is contained in the nuclear spheres.

“Extensive nuclear sphere generation in the human Alzheimer’s brain” by Katharina Kolbe, Hassan Bukhari, Christina Loosse, Gregor Leonhardt, Annika Glotzbach, Magdalena Pawlas, Katharina Hess, Carsten Theiss, and Thorsten Müller in Neurobiology of Aging. Published online August 18 2016 doi:10.1016/j.neurobiolaging.2016.08.016

Genes to Brains

Over the years scientists have carefully mapped the brain, figuring out which regions perform different functions. Techniques such as functional MRI can show exactly which parts are active when people are doing all kinds of other tasks. Detailed microscopy and brain-scanning studies have traced the intricate network of connections between nerve cells in the brain, revealing the inner wiring of this powerful biological computer. But until now, nobody has tried to link patterns of gene activity into this functional and structural information. For the first time, researchers have generated this map of the brain, with each colour highlighting a particular group of genes that seem to be linked to that region. There are many variations in human genes that can influence traits and conditions affecting the brain, such as intelligence or autism, and this is the first step towards figuring out exactly how these genetic variations might exert their effects.

Written by Kat Arney

Image from work by Qian Peng and colleagues

Department of Human Biology, J. Craig Venter Institute, and Multimodal Imaging Laboratory, Department of Radiology, University of California San Diego, La Jolla, CA, USA

Image originally published under a Creative Commons Licence (BY 4.0)

Published in PLOS Genetics, July 2016

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I gotta split! Image of the Week - June 22, 2015

CIL:41466 - http://www.cellimagelibrary.org/images/41466

Description: Confocal image of a mitotic spindle in a dividing cell. The spindle is shown in yellow and the surrounding actin cytoskeleton is in blue. Sixth Prize, 2007 Olympus BioScapes Digital Imaging Competition.

Authors: Patricia Wadsworth and the 2007 Olympus Bioscapes Digital Imaging Competition®.

Licensing: Attribution Non-Commercial No Derivatives: This image is licensed under a Creative Commons Attribution, Non-Commercial, No Derivatives License