what are its applications?
Pluripotent stem cells have shown promise in treating spinal cord injuries, age related macular degeneration, diabetes, etc.
Embryonic stem cell
Pluripotent stem cells have shown promise in treating a number of varying conditions, including but not limited to: spinal cord injuries, age related macular degeneration, diabetes, neurodegenerative disorders (such as Parkinson's disease), AIDS, etc. 
who sang johnny b good in back to the future UNANSWERABLE who is "michael j. fox"? Canadian-American actor, comedian, author, film producer, and activist. in which activism is he involved? His foundation, The Michael J. Fox Foundation, was created to help advance every promising research path to curing Parkinson's disease. is he involved in a stem cell related stream? His foundation focuses on the researches, including embryonic stem cell studies. what kind of study is it? UNANSWERABLE what are some of its adverse effects? The major concern with the possible transplantation of ESC into patients as therapies is their ability to form tumors including teratoma.
wiki:14110866
Embryonic stem cell [SEP] Uses
Due to their plasticity and potentially unlimited capacity for self-renewal, embryonic stem cell therapies have been proposed for regenerative medicine and tissue replacement after injury or disease. Pluripotent stem cells have shown promise in treating a number of varying conditions, including but not limited to: spinal cord injuries, age related macular degeneration, diabetes, neurodegenerative disorders (such as Parkinson's disease), AIDS, etc. In addition to their potential in regenerative medicine, embryonic stem cells provide a possible alternative source of tissue/organs which serves as a possible solution to the donor shortage dilemma. There are some ethical controversies surrounding this though (see Ethical debate section below).