Table 3.

Mean fluorescence intensity of sheep testicular cells in 280 V/10 milliseconds group after 48 hours of transfection

	280 V/10 milliseconds
	Single burst		Double burst
Testicular cells	DMSO negative	DMSO positive	DMSO negative	DMSO positive
Myoid cells	24.25 ± 1.4a, A	21.97 ± 2.1a, A	24.14 ± 1.6a, A	22.12 ± 2.2a, A
Sertoli cells	38.83 ± 3.4a, B	49.86 ± 7.7b, B	40.82 ± 3.4a, B	47.6 ± 4.5b, B
Leydig cells	79.54 ± 7.3a, C	72.75 ± 6.3b, C	72.27 ± 6.3b, C	69.16 ± 4.7b, C
SSCs	132.5 ± 1.2a, D	127.66 ± 1.3a, D	129.68 ± 1.1a, D	127.27 ± 1.3a, D

DMSO; Dimethyl sulfoxide, SSCs; Spermatogonial stem cells, ^A-D; Numbers with different upper case superscript letters in the same column differ significantly, and^{a, b}; Numbers with different lower case superscript letters in the same row differ significantly (P<0.05).