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A simple method for immunofluorescent double staining with primary antisera from the same species [see comments]
S Wurden and U Homberg
Fakultat fur Biologie der Universitat, Konstanz 1, Germany.
We have developed a new double immunofluorescence technique by which two neuroactive substances in the same tissue section can be labeled with primary antisera raised in the same species. The optic lobes of the locust Schistocerca gregaria were used as a model system to develop the staining procedure. FMRFamide-immunoreactive neurons were detected by rabbit antisera against FMRFamide and FITC-conjugated secondary antibodies. Antibodies against the second peptide, pigment-dispersing hormone (PDH), also raised in rabbit, were biotinylated and detected via streptavidin-Texas Red. Crossreactivity of the PDH immunoglobulins with the FITC-conjugated secondary antiserum was prevented by pre- incubation with rabbit gamma globulins. The two peptide immunoreactivities could be conveniently observed on the same section with the different fluorescent markers. This double labeling technique with modified antibodies is easily performed and highly useful for co- localization studies with antisera raised in the same species.
Volume 41,
Issue 4,
pp. 627-630,
04/01/1993
Copyright © 1993 by The Histochemical Society
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