Indiana University Oct 9 2025 Researchers at the Indiana University School of Medicine have discovered a new way to regulate blood glucose levels using a lab-designed protein, possibly opening the door to a new treatment avenue for people with Type 1 diabetes. The findings, published in ACS Pharmacology and Translational Science , showed improvement in rats treated with the substance, which combines insulin and glucagon into one molecule. Insulin is a hormone that lowers blood sugar levels,