Biological molecules, such as proteins or hormones, that regulate the growth and division of cells in an organism. Due to their important role in many cellular processes, growth factors have applications across many industries. For example, growth factors are typically used in growth mediaGrowth media, also known as culture media, provides cells in culture with all the correct nutrients., to give nutrients to cells growing in a laboratory setting. In the cultivated meat industry, cheap and animal-free production of growth factors is a major unsolved challenge. Growth factors can also be used in regenerative medicineThis branch of medicine develops methods to repair or replace damaged cells, tissues, or organs. Thi for tissue repair as they can stimulate various growth and repair pathways. There are currently many approved growth factor based medicines, in the form of creams, that can be used to enhance wound healing.