Fig. 5. LINT-25 is upregulated during differentiation. (A) E14.5 fetal liver-derived proliferating erythroid progenitors were switched to erythroid differentiation medium and processed for immunoblotting or immunofluorescence microscopy at the indicated time points, using antibodies as indicated. Numbers indicate molecular masses of marker proteins in kDa; mLINT-25, monomeric LINT-25; dLINT-25, dimeric LINT-25; La, lamin; pRb, retinoblastoma protein. (B) C2C12 myoblasts or myotubes differentiated in 1% FCS for 10 days were processed for immunofluorescence microscopy using antibodies against the indicated antigens. Confocal images are shown. Bars, 10 µm.