Cell and gene therapy is widely used to treat, prevent, or potentially cure diseases, and helps to alleviate the underlying cause of genetic and acquired diseases. Both cell therapy and gene therapy are overlapping fields of biomedical research and treatment. It is an innovative medical procedure that offers personalized treatments for various illnesses and diseases. It can be used in children, adults, and even animals. Cell and gene therapy plays an important role in modern health care, as it helps to provide techniques and concepts that can be used in gene regulation, regenerative capacity, cell?cell interactions, and remodeling.