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Nov 2, 2023

Mechanism That Forms Connections in the Brain Identified

Posted by in categories: chemistry, life extension, neuroscience

How are synapses formed, those points of contact that allow the transmission of information from one neuron to the other? Working with an international team, researchers from the Leibniz-Forschungsinstitut für Molekulare Pharmakologie (FMP) have now uncovered a crucial mechanism and elucidated the identity of the axonal transport vesicles that generates synapses. The findings provide an important basis for promoting the regeneration of nerve cells and counteracting the aging process in the future. The results have just been published in the journal Science.

Whether in the brain or in the muscles, wherever there are nerve cells, there are synapses. These contact points between neurons form the basis for the transmission of excitation, i.e. communication between neurons. As in any communication process, there is a sender and a receiver: Nerve cell processes called axons generate and transmit electrical signals thereby acting as signal senders. Synapses are points of contact between axonal nerve terminals (the pre-synapse) and post-synaptic neurons. At these synapses, the electrical impulse is converted into chemical messengers that are received and sensed by the post-synapses of the neighboring neuron. The messengers are released from special membrane sacs called synaptic vesicles.

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