mucin

A family of high molecular weight, heavily glycosylated proteins produced by epithelial tissues in most animals. These proteins are a key component of mucus, serving to protect and lubricate surfaces in the body, and are characterized by their ability to form gels, playing roles in cell signaling, forming protective barriers, and immune response. Mucins are essential for maintaining the health and function of epithelial tissues, benefiting a wide range of biological processes.