Table 3 Summary of the offspring obtained through i-GONAD-based KI.

From: i-GONAD (improved genome-editing via oviductal nucleic acids delivery), a convenient in vivo tool to produce genome-edited rats

Experiment

Treatment

No. pregnant rats/no. rats treated

No. fetuses/pups obtained

Fetuses/pups with modified alleles

No. indels (%)

No. KI allele (%)

No. mosaic alleles (%)

Exp-3 (i-GONAD using LEW strain)

Cas9/tracr/crRNA + ssODN

5/7

22

9 (41)

1 (5)

2 (9)

Exp-4 (i-GONAD using SD strain)

Cas9/tracr/crRNA + ssODN

4/7

40

16 (40)

2 (5)

5 (13)

Exp-5 (i-GONAD using SD strain)

Cas9/tracr/crRNA + ssODN + 1 μM SCR7

6/6

27

11 (41)

2 (7)

6 (22)

Exp-5 (i-GONAD using SD strain)

Cas9/tracr/crRNA + ssODN + 10 μM SCR7

3/5

21

10 (48)

2 (9)

5 (24)