BLG significantly increased cell numbers compared to ALA (1.4–2.7-fold; P < 0.001) and with BSA (1.4–1.9-fold; P < 0.001–
P < 0.05), however BSA induced a consistently higher cell count than ALA at all concentrations but only significantly so at 5 mg/ml (2.3-fold; P < 0.01) (Fig. 1B).