Definition of "neurofibromin" []

• Any of a group of proteins associated with neurofibromatosis (noun)

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• "NF1 is caused by mutations in a gene called neurofibromin, or Nf1, which makes a protein with the same name."
• "In additional experiments, Brown showed that reduced levels of neurofibromin affected a different biochemical pathway in brain nerve cells than in peripheral nerve cells."
• "In brain nerve cells, reduced neurofibromin leads to less of a molecule known as cyclic AMP."