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Table 7 The effects of NPs on the developmental competence of immature porcine oocytes from 6.1-8.0 mm follicles (mean ± S. E. M.)

From: Natriuretic peptides improve the developmental competence of in vitro cultured porcine oocytes

  oocytes(n) cleaved oocytes (%) blastocysts (%)
Control 294 30.9 ± 1.1 a 8.3 ± 1.7 a
cilostamide 263 23.2 ± 2.3 b 4.7 ± 2.4 b
BNP 301 25.1 ± 1.6b 5.1 ± 3.3 b
CNP 268 24.6 ± 1.0 b 5.0 ± 1.8 b
  1. Cleavage rates on day 2 and Blastocyst developmental rates on day 7 after IVF of the COCs recovered from the 6.1 - 8.0 mm follicles in standard IVM for 46 h (as negative controls), or pre-cultured with PMCI–cilostamide 20 h plus IVM 46 h (as positive controls) and pre-cultured with PMCI–BNP/CNP 20 h plus IVM 46 h (as experimental groups). abMeans in the same column with different superscripts were significantly different (p < 0.05)