{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T14:35:28Z","timestamp":1790951728437,"version":"4.1.0"},"reference-count":88,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["FOC"],"published-print":{"date-parts":[[2017,3]]},"abstract":"\n OBJECTIVE<\/jats:title>\n Long-segment injuries to large peripheral nerves present a challenge to surgeons because insufficient donor tissue limits repair. Multiple supplemental approaches have been investigated, including the use of Schwann cells (SCs). The authors present the first 2 cases using autologous SCs to supplement a peripheral nerve graft repair in humans with long-term follow-up data.<\/jats:p>\n <\/jats:sec>\n \n METHODS<\/jats:title>\n Two patients were enrolled in an FDA-approved trial to assess the safety of using expanded populations of autologous SCs to supplement the repair of long-segment injuries to the sciatic nerve. The mechanism of injury included a boat propeller and a gunshot wound. The SCs were obtained from both the sural nerve and damaged sciatic nerve stump. The SCs were expanded and purified in culture by using heregulin \u03b21 and forskolin. Repair was performed with sural nerve grafts, SCs in suspension, and a Duragen graft to house the construct. Follow-up was 36 and 12 months for the patients in Cases 1 and 2, respectively.<\/jats:p>\n <\/jats:sec>\n \n RESULTS<\/jats:title>\n The patient in Case 1 had a boat propeller injury with complete transection of both sciatic divisions at midthigh. The graft length was approximately 7.5 cm. In the postoperative period the patient regained motor function (Medical Research Council [MRC] Grade 5\/5) in the tibial distribution, with partial function in peroneal distribution (MRC Grade 2\/5 on dorsiflexion). Partial return of sensory function was also achieved, and neuropathic pain was completely resolved. The patient in Case 2 sustained a gunshot wound to the leg, with partial disruption of the tibial division of the sciatic nerve at the midthigh. The graft length was 5 cm. Postoperatively the patient regained complete motor function of the tibial nerve, with partial return of sensation. Long-term follow-up with both MRI and ultrasound demonstrated nerve graft continuity and the absence of tumor formation at the repair site.<\/jats:p>\n <\/jats:sec>\n \n CONCLUSIONS<\/jats:title>\n Presented here are the first 2 cases in which autologous SCs were used to supplement human peripheral nerve repair in long-segment injury. Both patients had significant improvement in both motor and sensory function with correlative imaging. This study demonstrates preliminary safety and efficacy of SC transplantation for peripheral nerve repair.<\/jats:p>\n <\/jats:sec>","DOI":"10.3171\/2016.12.focus16474","type":"journal-article","created":{"date-parts":[[2017,3,1]],"date-time":"2017-03-01T03:42:43Z","timestamp":1488339763000},"page":"E2","source":"Crossref","is-referenced-by-count":54,"title":["First human experience with autologous Schwann cells to supplement sciatic nerve repair: report of 2 cases with long-term follow-up"],"prefix":"10.3171","volume":"42","author":[{"given":"Zachary C.","family":"Gersey","sequence":"first","affiliation":[{"name":"Department of Neurological Surgery and the Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, Florida"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"S. Shelby","family":"Burks","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery and the Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, Florida"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kim D.","family":"Anderson","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery and the Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, Florida"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marine","family":"Dididze","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery and the Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, Florida"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aisha","family":"Khan","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery and the Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, Florida"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"W. Dalton","family":"Dietrich","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery and the Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, Florida"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Allan D.","family":"Levi","sequence":"additional","affiliation":[{"name":"Department of Neurological Surgery and the Miami Project to Cure Paralysis, University of Miami Miller School of Medicine, Miami, Florida"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"key":"b1-focus16474","series-title":"Neuropathol Appl Neurobiol","first-page":"387","article-title":"Peripheral nerve regeneration through nerve guides seeded with adult Schwann cells","volume":"23","author":"Ansselin AD,","year":"1997","unstructured":"Ansselin AD, Fink T, Davey DF: Peripheral nerve regeneration through nerve guides seeded with adult Schwann cells. 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