A method for specific transmitter identification of retrogradely labeled neurons: Immunofluorescence combined with fluorescence tracing |
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| Authors: | L. Skirboll, T. H kfelt, G. Norell, O. Phillipson, H.G.J.M. Kuypers, M. Bentivoglio, C.E. Catsman-Berrevoets, T.J. Visser, H. Steinbusch, A. Verhofstad, A.C. Cuello, M. Goldstein,M. Brownstein |
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| Affiliation: | L. Skirboll, T. Hökfelt, G. Norell, O. Phillipson, H.G.J.M. Kuypers, M. Bentivoglio, C.E. Catsman-Berrevoets, T.J. Visser, H. Steinbusch, A. Verhofstad, A.C. Cuello, M. Goldstein,M. Brownstein |
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| Abstract: | In the present article a method is described which allows the delineation of the projections of a single neuron as well as the identification of one or more of its chemical components. The technique is a combination of retrograde tracing and fluorescent dyes based on the work of Kuypers and collaborators and indirect immunofluorescence histochemistry as originally described by Coons and collaborators. The crucial parameters including the selection of the dyes, the injection technique and tissue processing as well as the appropriate immunohistochemical fluorescent markers and filter combinations are discussed. The method of choice involves the use of the retrogradely transported dyes Fast Blue, True Blue or Propidium Iodide, and in addition, for double labeling experiments, Diamidino Yellow or Primuline. They are combind with FITC (Propidium Iodide) or TRITC (Fast Blue, True Blue, Diamidino Yellow, Primuline) as immunofluorescence markers. |
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| Keywords: | retrograde tracing — immunohistochemistry — fluorescent dyes — brain pathways — collateral tracing — rats |
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