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Table 1 Developmental capacity of embryos derived from IVF, BB-SCNT, and MB-iSCNT

From: Nucleologenesis and embryonic genome activation are defective in interspecies cloned embryos between bovine ooplasm and rhesus monkey somatic cells

  

No. (%) of embryos developed to

Group

No. of embryos cultured

Day 3

Day 7

  

2-cell

4-cell

8- to 16-cell

Cleavage

Blastocyst

IVF

117

21 (17.9 ± 2.8)

37

(31.5 ± 2.7)

43

(36.9 ± 3.4)

101/117

(86.3 ± 1.3)

38 (33.5 ± 2.8)a

BB-SCNT

99

13 (14.1 ± 2.8)

13 (13.7 ± 2.1)

58 (57.4 ± 3.4)

83/99

(85.3 ± 2.5)

29 (28.2 ± 2.7)a

MB-iSCNT

110

12 (16.1 ± 4.1)

20 (22.3 ± 3.7)

67 (51.0 ± 5.1)

99/110

(89.3 ± 2.7)

0 (0)b

  1. Cleavage and developmental rates are expressed as the mean ± standard error of the mean (SEM) from three independent experiments. The superscripts "a" and "b" indicate significant differences between experimental groups (n = 10, P < 0.05). BB: Bovine-Bovine; MB: Monkey-Bovine