angie crouch has more. >> reporter: researchers say the discovery they made in this lab at ucla could one day potentially lead to a cure for aids, cancer and other deadly viruses. they figured out how to take stem cells and turn them into immune cell that say attack and kill the hiv virus. the breakthrough even surprised them. >> we knew that the results were coming down the pike. and when they finally came out, we looked at it and went that's pretty good. >> reporter: so far the technique has been successful in attacking hiv and hundreds of lab mice. >> we haven't fully developed the technology to clear them of hiv, but they are significantly suppressed in the amount of virus that is replicating. >> reporter: researchers say human clinical trials are the next step. if those prove successful, the technique could be available to patients in about ten years. jim has been living with hiv for 35 years. he takes more than 20 pills a day, just to stay alive. he says the breakthrough is a ray of hope he's long been dreaming of. >> i think it's great. i think that, you know, if i had a chance