SLC26A1 is a gene that provides instructions for making a protein involved in transporting various substances across cell membranes. This protein plays a crucial role in the movement of ions, particularly chloride and bicarbonate, which are important for maintaining the balance of fluids and electrolytes in the body. Mutations in the SLC26A1 gene can lead to health issues, such as congenital chloride diarrhea, a condition characterized by severe diarrhea and electrolyte imbalances. Understanding the function of this gene helps researchers explore potential treatments and improve the management of related disorders.