A naphthol yellow s and erythrosin b staining procedure for use in studies of the acrosome reaction of rabbit spermatozoa
Biotechnic and Histochemistry, ISSN: 1052-0295, Vol: 52, Issue: 1, Page: 47-51
1977
- 74Citations
- 9Captures
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Metrics Details
- Citations74
- Citation Indexes74
- 74
- CrossRef61
- Captures9
- Readers9
Article Description
Rabbit spermatozoa suspended in Krebs-Ringer-phosphate containing 0.25% glucose were smeared on polylysine-coated slides and dried in air at room temperature for 2 hr to overnight. Smears were stained in 0.1% naphthol yellow S in 1.0% acetic acid for 30 min at room temperature, blotted, rinsed in 1.0% aqueous acetic acid for 10-15 sec, drained and stained for 7 min in a mixture of equal parts of aqueous naphthol yellow S and erythrosin B (final concentration of each dye 0.1% w/v) at pH 4.6-5.0 (pH adjusted with acetic acid). Stained slides were well rinsed in distilled water adjusted to pH 4.65.0 with acetic acid, blotted, allowed to dry completely, rinsed in xylene and mounted in synthetic resin. Acrosomal caps were stained cherry-red (apical ridge) to pink (dorsal and ventral aspects); postnuclear caps stained pale pink; nuclei were either unstained or stained a very faint yellowish-pink. The mid-piece and flagellum were stained different shades of pink. The procedure is simple, rapid, and gives highly reproducible results. When present, acrosomes are easily detected regardless of the density of the smear. © 1977 Informa UK Ltd All rights reserved: reproduction in whole or part not permitted.
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