Epi-Growth Factor, most commonly referred to as Epidermal Growth Factor (EGF), is a naturally occurring protein important in cell growth and development [Wikipedia, Epidermal growth factor].
Here's a breakdown of EGF:
- Function: EGF stimulates various cellular processes like proliferation (division), differentiation (maturing into specific cell types), and survival.
- Structure: It's a small protein with 53 amino acids and three internal disulfide bonds.
- Location: Found in various tissues like platelets, saliva, urine, milk, and blood plasma.
EGF works by binding to a specific receptor on the cell surface, called the Epidermal Growth Factor Receptor (EGFR). This binding triggers a signaling cascade inside the cell, ultimately influencing cellular activities like growth and differentiation.
It's important to note that EGF itself is not a medication. However, its role in cell growth has made it a subject of research, particularly concerning wound healing and certain cancers where EGFR is abnormally active.