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Immunohistochemistry of Voltage-Gated Calcium Channel α1B Subunitin Mouse Cerebellum
Young-Gil Jeong,Kyung-YoulLee,Ki-HyungKim,Chul-TaeKim,Nam-SeobLee,KazuhikoSawada,HiromiHaga,Byung-ChulLee,YoshihiroFukui,Man-HeeRhee,andYoung-GilJeong 대한수의학회 2002 Journal of Veterinary Science Vol.3 No.3
Secretion of neurotransmitters is initiated byvoltage-gated calcium influx through presynaptic, voltage-gated N-type calcium channels. However, litle isknown about their celular distribution in the mousecerebelum. In the cerebelum, α1B imunoreactivityis found mainly on the cel bodies of al Purkinjecells. In adition, the imunoreactivity was detectedon a subset of Purkinje cell dendrites, clustered tolobe vermis, imunoreactive Purkinje cel dendritesform narow stripes eparated by broad bands ofunstained endrites. Moving caudally through thevermis, these stripes become thicker as a larger fractionof the Purkinje cell dendrites become imunoreactive.This localization study of the α1B pore-formingsubunits in mouse cerebelum ay guide futureinvestigations of the role of calcium channels inneurological pathways.
김무강,Mi-SunPark,Mi-YoungLee,Keun-JwaLee,Young-GilJeong,Chul-HoLee,Kwon-SooHa,Man-HeeRhee,Kang-YiLee,Kyoug-YoulLee,Chi-WonSong,권효정 대한수의학회 2002 Journal of Veterinary Science Vol.3 No.3
The distribution of the nerve growth factor (NGF),the glial fibrillary acidic protein (GFAP) and theciliary neurotrohic factor (CNTF) was performed incoronal sections of the mesencephalon, rhombencephalonand spinal cord in the developing Mongolian gerbils.Generaly, NGF specificaly recognizes neurons withthe NGF receptor, whereas GFAP does the glia, andwas examined separately in gerbils between embryonicdays 15 (E15) and postnatal weks 3 (PNW 3). TheNGF-IR was first observed in the spinal cord at E21,which might be related to the maturation. The GFAPreactivity was peaked at he postnatal days 2 (PND2),while the highest CNTF-reaction was expresed atPNW 2. The GFAP stains were observed in theaqueduct and the spinal cord, which appeared toproject lateraly at E19. The CNTF was observed onlyafter the birth and found in both the neurons andcerebelum and the spinal cord from PND1 to PNW3.These results uggest hat NGF, GFAP and CNTF areimportant for the development of the neurons and theneuroglia in the central nervous system at he lateprenatal and postnatal stages.