In addition, a standard sperm staining kit that stained DNA (Diff-Quik stain kit, catalog number B4132-1A, SiemeNewarklthcare DEagnostics, Newask, DE) was required.
Andrea and her wife, Mari, bought a sperm insemination kit online.
Using this sperm viability kit, live and dead sperm were stained green and red, respectively.
Rhodamine-phalloidin and the LIVE/DEAD® Sperm Viability Kit L-70111) were purchased from Molecular Probes (Eugene, OR, USA).
The LIVE/DEAD® Sperm Viability Kit L-70111) was purchased from Molecular Probes (Eugene, OR, USA) and the Cytotoxicity Detection KitPLUS (LDH assay) was obtained from Roche Applied Science (Germany).
In order to evaluate membrane integrity, spermatozoa were incubated with the LIVE/DEAD Sperm Vitality kit (Molecular Probes) as previously described (Amaral and Ramalho-Santos, 2010).
Viability was assessed with a live/dead sperm viability kit (Molecular Probes, Inc., Eugene, OR, USA) and at least 200 spermatozoa per sample were scored with a Nikon Eclipse E 600 epifluorescence microscope (Nikon Europe BV, Badhoeverdop, The Netherlands).
For each subject, isolation of semen round cells was performed by density gradient centrifugation using an Isolate Sperm Separation kit (Irvine Scientific, Santa Ana, CA, USA) according to manufacturer's instructions.
Throughout the course of the podcast season, Hawkey delves into her own childhood, asks close friends and old lovers why they think she was never able to find "the one," and instructs guy friends on how to use sperm analysis home kits.
Sette et al. (1997) previously identified the truncated c-kit (tr-kit), enriched in mouse sperm, as being an oocyte activation factor demonstrating meiotic resumption and mouse oocyte activation on microinjection of extracts expressing recombinant tr-kit [ 79].
