Why am I seeing band at 37kDa instead of 27 kDa for VEGF A protein?

I am looking for VEGF A expression in mice placental lysates. However, according to the company (I use primary antibody from Abcam), I was supposed to see band 27kDa, however, I see 37kDa. They...

17 October 2023 7,284 3 View