AUTHOR=Gou Huaixue , Liu Juping TITLE=Non-ocular biomarkers for early diagnosis of diabetic retinopathy by non-invasive methods JOURNAL=Frontiers in Endocrinology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/endocrinology/articles/10.3389/fendo.2025.1496851 DOI=10.3389/fendo.2025.1496851 ISSN=1664-2392