Genetically engineered ‘Magneto’ protein remotely controls brain and behaviour

Genetically engineered ‘Magneto’ protein remotely controls brain and behaviour by Ā forĀ The Guardian

GNN Note – Is it possible this is part of the mRNA technology that was injected into millions upon millions of people – quietly mixed into the experimental drug called covid19 vax? Is it still being injected into people? I’m not saying it is or isn’t – just asking questions. Either way, you don’t want this in your body. / END

New method uses a magnetised protein to activate brain cells rapidly, reversibly, and non-invasively

Researchers in the United States have developed a new method for controlling the brain circuits associated with complex animal behaviours, using genetic engineering to create a magnetised protein that activates specific groups of nerve cells from a distance.


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Understanding how the brain generates behaviour is one of the ultimate goals of neuroscience ā€“ and one of its most difficult questions. In recent years, researchers have developed a number of methods that enable them to remotely control specified groups of neurons and to probe the workings of neuronal circuits.

The most powerful of these is a method called optogenetics, which enables researchers to switch populations of related neurons on or off on a millisecond-by-millisecond timescale with pulses of laser light. Another recently developed method, called chemogenetics, uses engineered proteins that are activated by designer drugs and can be targeted to specific cell types.

Although powerful, both of these methods have drawbacks. Optogenetics is invasive, requiring insertion of optical fibres that deliver the light pulses into the brain and, furthermore, the extent to which the light penetrates the dense brain tissue is severely limited. Chemogenetic approaches overcome both of these limitations, but typically induce biochemical reactions that take several seconds to activate nerve cells.

The new technique, developed in Ali GĆ¼lerā€™s lab at the University of Virginia in Charlottesville, and described in an advance online publication in the journal Nature Neuroscience, is not only non-invasive, but can also activate neurons rapidly and reversibly.

Several earlier studies have shown that nerve cell proteins which are activated by heat and mechanical pressure can be genetically engineered so that they become sensitive to radio waves and magnetic fields, by attaching them to an iron-storing protein called ferritin, or to inorganic paramagnetic particles. These methods represent an important advance ā€“ they have, for example, already been used to regulate blood glucose levels in mice ā€“ but involve multiple components which have to be introduced separately.

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