EHD Protein

The EHD protein family (Eps15 Homology Domain-containing proteins) is a key group of proteins in mammalian cells responsible for endocytic transport. They regulate the internalization and recycling of membrane proteins and receptors by controlling cellular endocytosis and exocytosis processes. The C-terminal of EHD proteins contains an Eps15 Homology Domain, which is crucial for regulating intracellular transport functions. EHD proteins can regulate membrane transport processes through interactions with proteins rich in NPF sequences and Rab GTPases. The EHD protein family includes four members: EHD1, EHD2, EHD3, and EHD4. Studies have shown that EHD1 primarily regulates the recycling of the transferrin receptor from the recycling endosome back to the cell membrane.
EHD protein activity is related to the development of Alzheimer's disease. By regulating the transport and processing of BACE1, it affects the production of β-amyloid, a key mechanism in the pathogenesis of the disease^[1][2][3].