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New Method to Extracting and Culture Dorsal Root Ganglion Neurons of SD Rat

Author: HuaZhongKeJiDaXue
Tutor: KangZuo
School: Huazhong University of Science and Technology
Course: Surgery
Keywords: Dorsal root ganglion Cell culture
CLC: R-332
Type: Master's thesis
Year: 2011
Downloads: 10
Quote: 0
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Abstract


【Objectives】To explore the effective method applied in extracting of dorsal root ganglion （DRG） of SD rats, thus lay a foundation for obtainment of the experimental materials.【Methods】①Obtainment of materials: Select 3-week SD rats to extract DRG neuron. Sufficient dorsal root ganglions of SD rat may be obtained via microdissection and digested using trypsin + collagenaseⅣ.②Isolation: The liquid is washed and sucked up with PBS, add 0.2% collagenaseⅣand 0.25% trypsin, after that it is placed in 37℃incubator for digestion, during which the dorsal root ganglion should be sheared with ophthalmic scissor for several time until the digestive juice becomes thick, and then a pipette is used to blow, the dorsal root tissue may be digested totally after blowing, add NBL medium containing serum to terminate the digestion process, and centrifuged at 1000r.③Culture of primary generation of cells: Add cellular suspension in Petri dish （PP） with L-poly-lysine laid down at its bottom, and placed in incubator （37℃, 0.05 volume fraction of CO2） to allow natural adherent growth. The inverted phase contrast microscope is used regularly to perform the observation.【Results】The adherent growth of the primary generation of dorsal root ganglion cells is so slow that a month is needed to cover the bottom of the flask. The dorsal root ganglion cells under 20 x optical microscope grow for two days. The cluster of cells grows in radial arrangement to the surrounding; the nucleus appears round and transparent and cellular morphology in shape of polygon while the longer tentacles expand around the cell; other types of cell have been basically dead and suspend in the medium.

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CLC: > Medicine, health > Medical research methods > Experimental medicine, medical experiments > Medical Laboratory Animal Science
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