HAVCR1 and glomerulosclerosis: As a second potential biomarker for glomerulosclerosis, we chose Hepatitis A virus cellular receptor 1 (HAVCR1) or kidney injury molecule‐1 (KIM‐1), a transmembrane protein that is not or at very low levels expressed in healthy kidneys.22, 23, 24, 25 Interestingly, Zhao et al26 found KIM‐1 being up‐regulated in parietal epithelial cells and dedifferentiated podocytes of diabetic rats.