Cell therapy is a type of medical therapy that involves the transfer of cells or tissues into a patient to treat a disease or injury. It is also known as cellular therapy, tissue engineering, and cell transplantation. Cell therapy is used to target specific areas of the body and can be used to treat a wide range of conditions, from cancer to autoimmune diseases. One type of cell therapy is islet transplantation, which involves the transplantation of pancreatic islets into the pancreas to treat type 1 diabetes. Islet transplantation is a type of cell therapy that involves the infusion of healthy islet cells into the pancreas of a person with type 1 diabetes. Islet cells are responsible for producing insulin in the body and when transplanted, they are able to produce insulin in response to increases in blood glucose levels. Islet transplantation has been used to restore insulin production and normalize glucose levels in people with type 1 diabetes. Islet transplantation is a relatively new procedure and is still being studied to determine if it is a viable option for the treatment of type 1 diabetes. The procedure is complex and requires careful selection of donor islets, as well as the use of immunosuppressive drugs to reduce the risk of rejection of the transplanted islets. The procedure also carries the risk of complications, such as infection and bleeding. Despite these risks, islet transplantation has been shown to be an effective treatment for type 1 diabetes and has been used to restore normal glucose levels and reduce the need for insulin therapy. Islet transplantation has also been used to treat other conditions, such as pancreatic cancer and cystic fibrosis, and is being studied for its potential to treat other diseases. Cell therapy, such as islet transplantation, is an emerging field of medical research and has the potential to revolutionize the treatment of many diseases. While the procedure carries risks, it is a promising option for treating diseases and can improve the quality of life for those affected.