PCR Primers.

βGalT, β1,4 galactosyltransferase; GAPDH, Glyceraldehyde 3-phosphate dehydrogenase.βGalT（β1,4-半乳糖基转移酶，β1,4 galactosyltransferase）；GAPDH（甘油醛-3-磷酸脱氢酶，Glyceraldehyde 3-phosphate dehydrogenase）。