Qeentics

29/08/2021

https://www.labroots.com/trending/cell-and-molecular-biology/20744/organoids-reveal-common-mechanism-underlying-rare-disorders

Genetic testing has shown that mutations in a gene called HUWE1 are connected to rare syndromes that cause developmental problems, including stunted growth | Cell And Molecular Biology

27/08/2021

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27/08/2021

The research, published in the journal Nature Biomedical Engineering, details how researchers were inspired by a naturally occurring sugar coating present in the blood vessels in organs. These sugars act by tuning down immune reactions. However, these molecules often become damaged during transplantation surgery, making them susceptible to immune attack.

Once organ failure patients receive the gift of a transplant, they face a life-long threat of immune rejection. Their immune systems see the donor organ as | Immunology

26/08/2021

If you want AI to replicate human or animal coginition you probably have to take both the brain being a neural net and the increasingly likely fact that individuals neurons have computational power. A quote from an article that makes this point:
'The information-processing capabilities of the brain are often reported to reside in the trillions of connections that wire its neurons together. But over the past few decades, mounting research has quietly shifted some of the attention to individual neurons, which seem to shoulder much more computational responsibility than once seemed imaginable.

The latest in a long line of evidence comes from scientists’ discovery of a new type of electrical signal in the upper layers of the human cortex. Laboratory and modeling studies have already shown that tiny compartments in the dendritic arms of cortical neurons can each perform complicated operations in mathematical logic. But now it seems that individual dendritic compartments can also perform a particular computation — “exclusive OR” — that mathematical theorists had previously categorized as unsolvable by single-neuron systems.

The dendritic arms of some human neurons can perform logic operations that once seemed to require whole neural networks.