Vascular aging is characterized by alterations in the constitutive properties and biological functions of the blood vessel wall. Endothelial cells (ECs) and vascular smooth muscle cells (VSMCs) are indispensability elements in the inner layer and the medial layer of the blood vessel wall. respectively. Dipeptidyl peptidase-4 (DPP4) inhibitors. https://www.silkmarketbeijing.com/product-category/rolling/