All the immature microorganisms possess an amazing potential to form into various cell types, basically unbounded to renew different cells as long as the individual is alive, thus offering monstrous any desire for relieving Alzheimer's ailment, fixing harmed spinal lines, treating kidney, liver and lung sicknesses. Until today, researchers essentially worked with two sorts of undeveloped cells from creatures and people: embryonic undifferentiated cells and non-embryonic "substantial" micro-organisms. 

• Embryonic stem cells
• Somatic cell nuclear transfer (SCNT)
• Stimulus-triggered acquisition of pluripotency (STAP)