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Foehring, R. C., Guan, D., Toleman, T., Cantrell, A. R. Whole Cell Recording from an Organotypic Slice Preparation of Neocortex. J. Vis. Exp. (52), e2600, doi:10.3791/2600 (2011).
図1。器官スライス培養。A. Millicellフィルターメッシュインサート上でP10のラットからラット感覚運動皮質のスライス。ぴあは、右から左へ、深部白質、線条体にすることです。正中線は上端にあります。 B.三スライスとメッシュインサート〜1 mLの培養培地に浸漬し、6ウェルプレート(同じ動物)の隣接しないウェルに配置。 C. IR - DIC(上段)と(下)器官培養中の層III新皮質の錐体細胞(P10、動物、文化の中で3日間)の画像をepifluoresent。 DIC画像(黒球)の目に見える"弾丸"に注意してください。 GFPのcDNAと遺伝子銃トランスフェクション後、いくつかのV層のニューロンのD.蛍光画像。
50 mL Millipore steriflip 0.22 μm filter (#SCGP00525)
Items 6-8 obtained from: Fisher Scientific, 1241 Ambassador Blvd, P.O. Box 14989, St. Louis, MO 63132.
Recording:
Pipet glass: Harvard GC150TF-10: Harvard Apparatus, 84 October Hill Road, Holliston, Massachusetts 01746
Sutter P-87 horizontal electrode puller: Sutter Instrument Company, One Digital Drive, Novato, CA 94949
Axon Instruments Multiclamp 700B amplifier: Molecular Devices, Inc. 1311 Orleans Drive, Sunnyvale, CA 94089-1136
PClamp 10 data acquisition software: Molecular Devices, Inc., 1311 Orleans Drive, Sunnyvale, CA 94089-1136
lectrode position is controlled with Sutter ROE-200 manipulators and PC-200 controller: Sutter Instrument Company, One Digital Drive, Novato, CA 94949.
Microscope: Olympus BX-50WI upright microscope with IR-DIC optics
IR-sensitive camera OLY-150 (Olympus) or DAGE-MTI (DAGE-MTI, 01 North Roeske Avenue, Michigan City, IN 46360).
Beique, J.C., Imad, M., Mladenovic, L., Gingrich, J.A., Andrade, R. Mechanism of the 5-hydroxytryptamine 2A receptor-mediated facilitation of synaptic activity in prefrontal cortex. Proc Natl Acad Sci U S A. 104 : 9870-9875 (2007).
Buonomano, D.V. Timing of neural responses in cortical organotypic slices. Proc Natl Acad Sci U S A. 100 : 4897-4902 (2003).
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Foehring, R.C., Toleman, T., Higgs, M., Guan, D., and Spain, W.J. Actions of Kv2.1 channels in rat neocortical pyramidal neurons. Soc Neurosci Abstr. 34 (2009).
Gähwiler, B.H., Capogna, M., Debanne, D., McKinney, R.A., Thompson, S.M. Organotypic slice cultures: a technique has come of age. Trends Neurosci. 20:471-477 (1997).
Gähwiler, B. H., Thompson, S. M., and Muller, D. Preparation and Maintenance of Organotypic Slice Cultures of CNS Tissue. Current Protocols in Neuroscience. 6.11.1-6.11.11 (2001).
Guan, D., Lee, J.C., Tkatch, T., Surmeier, D.J., Armstrong, W.E., and Foehring, R.C. Expression and biophysical properties of Kv1 channels in supragranular neocortical pyramidal neurones. J Physiol. 571:371-89 (2006).
Guan, D., Lee, J.C.F., Higgs, M., Spain, W.J., Armstrong, W.E., and Foehring, R.C. Functional roles of Kv1 containing channels in neocortical pyramidal neurons. J. Neurophysiol. 97: 1931-40 (2007a).
Guan, D., Tkatch, T., Surmeier, D.J., Armstrong, W.E., and Foehring, R.C. Kv2 subunits underlie slowly inactivating potassium current in rat neocortical pyramidal neurons. J Physiol. 581 : 941-60 (2007b).
Johnson, H.A., and Buonomano, D.V. A method for chronic stimulation of cortical organotypic cultures using implanted electrodes. Neurosci Methods. 176 : 136-143 (2009).
Johnson, H.A., Buonomano, D.V. Development and plasticity of spontaneous activity and Up states in cortical organotypic slices. J Neurosci. 27 : 5915-5925 (2007).
Malin, S.A., Nerbonne, J.M. Delayed rectifier K+ currents, IK, are encoded by Kv2 alpha-subunits and regulate tonic firing in mammalian sympathetic neurons. J Neurosci 22 : 10094-10105 (2002).
O'Brien, J.A., Holt, M., Whiteside, G., Lummis, S.C., Hastings, M.H. Modifications to the hand-held Gene Gun: improvements for in vitro biolistic transfection of organotypic neuronal tissue. J Neurosci Methods. 112 : 57-64 (2001).
Stoppini, L., Buchs, P.A., Muller, D. A simple method for organotypic cultures of nervous tissue. J Neurosci Methods. 37 : 173-182 (1991).
Villalobos, C., Shakkottai, V.G., Chandy, K.G., Michelhaugh, S.K., Andrade, R. SKCa channels mediate the medium but not the slow calcium-activated afterhyperpolarization in cortical neurons. J Neurosci. 24 : 3537-3542 (2004).
Walker, P.D., Andrade, R., Quinn, J.P., Bannon, M.J. Real-time analysis of preprotachykinin promoter activity in single cortical neurons. J Neurochem. 75 : 882-885 (2000).
Woods, G., and Zito, K. Preparation of gene gun bullets and biolistic transfection of neurons in slice culture. J Vis Exp. 12 (2008).
O'Brien, J.A., and Lummis, S.C. Biolistic transfection of neuronal cultures using a hand-held gene gun. Nat Proc. 1 : 977-981 (2006).
Joshi, P., and Dunaevsky, A. Gene gun transfection of hippocampal neurons. J Vis Exp. 1 (2006).
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The metal tool to hold the mesh membrane is a custom made stainless steel piece of sheet metal (we made it in the lab). We use this tool as a guide for the scalpel which does the cutting. The front of the tool (which will be in contact with the mesh membrane) is about 1/2 inch to 3/4 inch wide and about 1/48 to 1/32 inch thick. The front border of this holder should be straight and smooth enough so that it can hold the mesh membrane down firmly to the bottom support (the plastic cover or a piece of glass). Therefore, when you are cutting the mesh membrane, the mesh membrane does not wrinkle. The cutting blade (scalpel) should go right along one side of this metal guide while the cultured slice appears over the other side of the metal guide. Sometimes you can find a similar sized stainless steel ruler from tool stores for this purpose.
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ReplyPosted by: Emily C.November 16, 2012, 7:00 PM