Science, Space and Technology News 2023
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The researchers focused on neurons of the corticospinal tract, a critical part of the central nervous system that helps control movement. After injury, these neurons are among the least likely to regenerate axons—the long, thin structures that neurons use to communicate with one another. This is why injuries to the brain and spinal cord are so devastating.
Further, by focusing on a relatively small number of cells — just over 300 — the researchers were able to look extremely closely at each individual cell. Using a computer algorithm to analyze their sequencing data, the researchers identified a unique pattern of gene expression that can predict whether or not an individual neuron will ultimately regenerate after an injury. The pattern also included some genes that had never been previously implicated in neuronal regeneration.
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