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Table 1 Sperm binding to intact zona of unfertilised and fertilised human oocytes

From: Zona pellucida from fertilised human oocytes induces a voltage-dependent calcium influx and the acrosome reaction in spermatozoa, but cannot be penetrated by sperm

Experiment

Unfertilised oocytes

Fertilised oocytes

1

14.5 ± 3.3 (12)a

15.5 ± 3.7 (10)

2

20.6 ± 6.0 (10)

8.4 ± 1.5* (21)

3

46.8 ± 9.1 (9)

29.7 ± 5.0* (12)

  1. Results are expressed as the number of spermatozoa bound per oocyte (mean ± SEM); ()a number of oocytes ; * significantly different from unfertilised oocytes (Mann and Whitney test; p < 0.05)
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BMC Developmental Biology

ISSN: 1471-213X

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