Article ; Online: Preparing e18 cortical rat neurons for compartmentalization in a microfluidic device.
Journal of visualized experiments : JoVE
2007 , Issue 8, Page(s) 305
Abstract: In this video, we demonstrate the preparation of E18 cortical rat neurons. E18 cortical rat neurons ... The neurons are now ready for loading into the neuron microfluidic device. ... are obtained from E18 fetal rat cortex previously dissected and prepared. The E18 cortex is ...
| Abstract | In this video, we demonstrate the preparation of E18 cortical rat neurons. E18 cortical rat neurons are obtained from E18 fetal rat cortex previously dissected and prepared. The E18 cortex is, upon dissection, immediately dissociated into individual neurons. It is possible to store E18 cortex in Hibernate E buffer containing B27 at 4 degrees C for up to a week before the dissociation is performed. However, there will be a drop in cell viability. Typically we obtain our E18 Cortex fresh. It is transported to the lab in ice cold Calcium free Magnesium free dissection buffer (CMFM). Upon arrival, trypsin is added to the cortex to a final concentration of 0.125%. The cortex is then incubated at 37 degrees C for 8 minutes. DMEM containing 10% FBS is added to the cortex to stop the reaction. The cortex is then centrifuged at 2500 rpm for 2 minutes. The supernatant is removed and 2 ml of Neural Basal Media (NBM) containing 2% B27 (vol/vol) and 0.25% Glutamax (vol/vol) is added to the cortex which is then re-suspended by pipetting up and down. Next, the cortex is triturated with previously fire polished glass pipettes, each with a successive smaller opening. After triturating, the cortex is once again centrifuged at 2500 rpm for 2 minutes. The supernatant is then removed and the cortex pellet re-suspended with 2 ml of NBM containing B27 and Glutamax. The cell suspension is then passed through a 40 um nylon cell strainer. Next the cells are counted. The neurons are now ready for loading into the neuron microfluidic device. |
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| MeSH term(s) | Animals ; Cerebral Cortex/cytology ; Cerebral Cortex/embryology ; Gestational Age ; Histocytological Preparation Techniques ; Microfluidic Analytical Techniques ; Neurons ; Rats |
| Language | English |
| Publishing date | 2007 |
| Publishing country | United States |
| Document type | Journal Article ; Video-Audio Media |
| ISSN | 1940-087X |
| ISSN (online) | 1940-087X |
| DOI | 10.3791/305 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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