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MBL scientists find genes linked to human neurological disorders in sea lamprey genome
Date:2/24/2013

aster conduction of nerve impulses. Yet the consortium found genes expressed in the lamprey that are normally expressed in myelin. In humans, myelin-associated molecules inhibit nerves from regenerating if damaged. "A lot of the focus of the spinal cord injury field is on neutralizing those inhibitory molecules," Morgan says.

"So there is an interesting conundrum," Morgan says. "What are these myelin-associated genes doing in an animal that doesn't have myelin, and yet is good at regeneration? It opens up a new and interesting set of questions, " she says. Addressing them could bring insight to why humans lost the capacity for neural regeneration long ago, and how this might be restored.

At present, Morgan and her collaborators are focused on analyzing which genes are expressed and when, after spinal cord injury and regeneration. The whole-genome sequence gives them an invaluable reference for their work.

Morgan, Bloom, and Buxbaum collaborate at the MBL through funding by the Charles Evans Foundation. Bloom is based at the Feinstein Institute for Medical Research/Hofstra North Shore-Long Island Jewish in New York. Buxbaum is from Mount Sinai School of Medicine in New York.


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Contact: Diana Kenney
dkenney@mbl.edu
508-289-7139
Marine Biological Laboratory
Source:Eurekalert  

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