Innovative Research's Human Prorenin 8x His was recently used in the following study:
(2-6-16)HTML A local renal reninangiotensin system activation via renal uptake of prorenin and angiotensinogen in diabetic rats
A Tojo, S Kinugasa, T Fujita, C Wilcox - Syndrome and Obesity: Targets and Therapy, 2016... Administration of human prorenin and angiotensinogen. Rats were anesthetized for IV injections of 20 g recombinant human prorenin (Innovative Research Inc., Novi, MI, USA, dissolved in 0.2 mL saline)