Diabetes and CTSL:Diabetes and CTSL:COVID-19 Riskssevere COVID-19 outcomes.Link between high glucose, CTSL, andEndocrinologyCysteine Proteases: A Link Between Diabetes and COVID-19 SeverityResearch highlights cathepsin L's role in diabetes and severe COVID-19 outcomes.2025-10-09T20:23:30+00:00 ― 6 min read