👉 Aureolin is a protein that is involved in the regulation of cell development and differentiation. It is primarily expressed in the epithelial cells of the gastrointestinal tract, where it plays a crucial role in the formation of the barrier between the digestive tract and the stomach lining. The function of aureolin varies depending on its expression level. In normal human tissues, it is produced by intestinal epithelial cells and is known as the "secretin" protein. However, when it is overexpressed, it