NF1 is a disease in the RASopathy family of diseases, which include Costello Syndrome, Noonan Syndrome, and Cardiofaciocutaneous syndrome. (Knowing that it is a RASopathy may provide some structural/transfer learning insight.) A unified model of NF1 should explain these complications. Most of these have recently been reproduced in a single [pig model](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6168575/). Being able to reproduce the full spectrum of human complications in a single rapid-growth animal model should help to rapidly accelerate unified modelling. Here is a recap of the NF1 complications listed in the [NF1 Wikipedia article](https://en.wikipedia.org/wiki/Neurofibromatosis_type_I): * Attention deficit hyperactivity disorder * Bowing of a long bone with a tendency to fracture and not heal, yielding a pseudarthrosis * Chronic pain, numbness, and paralysis due to peripheral nerve sheath tumor * Cystic diverticula of the dura of the spine (termed meningoceles. This meningocele is not related to spina bifida). * Dermal neurofibroma * Dural ectasia * Epilepsy * Flat pigmented lesions of the skin called Café au lait spot * Focal scoliosis and/or kyphosis * Focally degenerative myelin leading to UBOs * Freckling of the axillae or inguinal regions. * Glial tumors of the central nervous system * Lisch nodules in the iris * Malformation of the facial bones or of the eye sockets (lambdoid suture defects, sphenoid dysplasia) * Malignant peripheral nerve sheath tumor * Meningoceles and formation of cystic diverticula of the dura of the spine * Mesodermal dysplasia * Motor deficits * Muscle weakness * Musculoskeletal abnormalities affecting the skull include Sphenoid bone dysplasia, Congenital Hydrocephalus * Myopathy * Nerve root neurofibroma * Neural foramen of the vertebral column can be widened due to the presence of a nerve root neurofibroma or schwannoma * Optic gliomas along one or both optic nerves or the optic chiasm * Peripheral nerve-sheath tumors * Plexiform Neurofibroma * [Precocious puberty](https://www.ncbi.nlm.nih.gov/pubmed/10969931) * Reduced skeletal muscle size * Renal artery anomalies or pheochromocytoma and associated chronic hypertension * Ribs can develop chronic erosions from the constant pressure of adjacent neurofibroma or Schwannoma * Schwannoma * Solitary neurofibroma in a deep nerve trunk * Spatial deficit * Speech and language delays * Unilateral overgrowth of a limb

Created by Lars Ericson lars.ericson

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