Publicaciones científicas

Neuronal quantification in cold-preserved nerve allografts and treatment with FK-506 through osmotic pumps compared to nerve autografts

Hontanilla B, Yeste L, Aubá C, Gorría O.
Department of Plastic and Reconstructive Surgery, Clínica Universitaria, Universidad de Navarra, Spain

Revista: Journal of Reconstructive Microsurgery

Fecha: 01/07/2006

RESUMEN

Nerve regeneration across nerve autografts was compared to cold-preserved nerve allografts and treatment with FK-506.

The tibial branch of the rat sciatic nerve was transected and immediately repaired with nerve autografts and allografts. FK-506 was administered for 4 weeks through osmotic pumps to different groups of both auto- and allograft cases. The nerves of two allografted groups were preserved with University of Wisconsin Cold Storage Solution (UWCSS) for 3 weeks. Quantification of retrograde-labelled motoneurons and axonal counts was performed. Nerve regeneration through nerve allografts treated with FK-506 or UWCSS was similar to the regeneration obtained when non-treated nerve autografts were used. However, there was no additive effect of the two treatments, and neither FK-506 nor UWCSS improved the number of gamma motoneurons.

Both UWCSS and FK-506 administration with osmotic pumps was effective in improving nerve regeneration in allografts, achieving a level comparable to that obtained in non-grafted control cases.

CITA DEL ARTÍCULO  J Reconstr Microsurg. 2006 Jul;22(5):363-74

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