DNA-PK (DNA-dependent protein kinase)

DNA-PK, or DNA-dependent protein kinase, is an essential enzyme in our cells that plays a critical role in repairing damaged DNA. When DNA breaks occur, which can happen due to various factors like radiation or cellular stress, DNA-PK works by recognizing the damage and initiating a repair process. It helps to bring together the ends of broken DNA strands, allowing them to be fixed. This function is vital for maintaining the integrity of our genetic information and is important in processes such as cellular growth, immune responses, and even in cancer treatment strategies.