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Table 4 The effects of NPs on the developmental competence of immature porcine oocytes from 3–8 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

305

36.0 ± 1.9

10.2 ± 2.6

cilostamide

318

36.9 ± 2.6

11.4 ± 3.3

BNP

369

36.6 ± 3.8

9.8 ± 1.7

CNP

256

37.2 ± 1.6

11.6 ± 3.6

  1. Cleavage rates on day 2 and Blastocyst developmental rates on day 7 after IVF of the COCs recovered from the 3.0 - 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)