Tmed10-flox Mouse

TMED10, the transmembrane p24 trafficking protein 10, is a conserved vesicle trafficking protein [3]. It is involved in multiple biological processes, especially unconventional protein secretion (UcPS), where it functions as a protein channel for the vesicle entry and secretion of leaderless cargoes [1]. This process is crucial for the secretion of various proteins that lack signal peptides, and TMED10 also participates in pathways related to lipid nanodomain formation at the plasma membrane [4].

In zebrafish larvae, Tmed10 deficiency leads to impaired exocrine pancreatic differentiation. Tmed10 regulates this process through γ -secretase, as reduced Tmed10 results in decreased membrane-bound β-catenin and hyperactivation of β-catenin signaling, causing exocrine pancreas defects [3]. In mouse myoblast C2C12 cells, TMED10 is essential for the secretion of insulin-like growth factor 2 (IGF2) and myoblast differentiation. It directly regulates ER export and indirectly regulates TGN export of IGF2 [2].

In conclusion, TMED10 plays a vital role in multiple biological processes, including protein secretion and cell differentiation. The study of Tmed10 knockout models, such as in zebrafish and mouse cells, has provided insights into its role in pancreatic development and myoblast differentiation, suggesting its potential significance in related diseases [2,3].