Neuro endocrinology letters · 2013
Poly (dextrogyr-levogyr) lactide acid-triiodothyronine scaffold for peripheral nerve regeneration.
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Wang Min, Liu Chao, Hao Yong, Zhang Yuan, Zhang Xia
Аннотация
OBJECTIVES: To evaluate the poly(dextrogyr-levogyr) lactide acid-triiodothyronine (PDLLA-T3) seeded with Schwann cells conduit for repairing sciatic nerve defect.
MATERIALS & METHODS: The rats were divided into three groups: autologous nerve transplantation (Group A), PDLLA-T3 + Schwann cells (Group B) and PDLLA + Schwann cells (Group C).
RESULTS: Myelin sheath thickness was significantly greater in Group A compared with Group B and Group C. The regenerated nerves had nearly normal structure in Group A, and in Groups B and C nerve tissues filled in the anastomotic site and angiogenesis was noted. The mean number of myelinated nerve fibers and neurons in Group B was greater than in Group C.
CONCLUSIONS: PDLLA-T3 is superior to PDLLA alone for repairing nerve defects.
MATERIALS & METHODS: The rats were divided into three groups: autologous nerve transplantation (Group A), PDLLA-T3 + Schwann cells (Group B) and PDLLA + Schwann cells (Group C).
RESULTS: Myelin sheath thickness was significantly greater in Group A compared with Group B and Group C. The regenerated nerves had nearly normal structure in Group A, and in Groups B and C nerve tissues filled in the anastomotic site and angiogenesis was noted. The mean number of myelinated nerve fibers and neurons in Group B was greater than in Group C.
CONCLUSIONS: PDLLA-T3 is superior to PDLLA alone for repairing nerve defects.