Relationship between the formation of Schmidt-Lantermann incisure and the localization of neurofascin in rat sciatic nerve
2009
Choi, H.Y., Konkuk University, Seoul, Republic of Korea | Cho, I.H., Jeju National University, Jeju, Republic of Korea | Lee, J.H., Konkuk University, Seoul, Republic of Korea | Nahm, S.S., Konkuk University, Seoul, Republic of Korea | Chang, B.J., Konkuk University, Seoul, Republic of Korea
Neurofascin, one of the members of L1CAM, has been known to have some important roles during the development of nerve fibers. In order to investigate the role of neurofascin associated with the formation of Schmidt-Lantermann incisure in the sciatic nerve, the localization of neurofascin was studied with electron microscopy, immuno-fluorescence and immuno-electron microscopy. In the electron microscopy, the first formation of Schmidt-Lantermann incisure was checked at postnatal day 6 and the complete form of incisures traversing the whole myelin sheath began to be observed at postnatal day 8. In the immunofluorescence, neurofascin immunoreactive Schmidt-Lantermann incisures were first checked at postnatal day 6 and dramatically increased with aging by postnatal day 56. In the immunoelectron microscopy, neurofascin immunoreactive gold particles at the incisure forming sites were first observed at postnatal day 6 and the number of gold particles was increased as the animal was getting old by postnatal day 56. According to the present study, neurofascin is likely to have some relationships with Schmidt-Lantermann incisure formation.
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