Vitamin B12 Intake and Diabetic Kidney Disease: A NHANES-Based Cross-Sectional Study with Transcriptomic Identification of P2RY140 views•2026•MedicineAixi Zheng1, Guowen Zhu1, Jiaxin Dong1, Jun Li1Aixi Zheng1Guowen Zhu1Jiaxin Dong1Jun Li11Department of Emergency Medicine, Zibo Central HospitalDepartment of Emergency Medicine, Zibo Central Hospital