RE:RE:RE:RE:RE: dayanpantig01.....New Pumper AccountThis spells a possible end to sickle cell disease. Stem cell or bone marrow transplants are the only cure for sickle cell disease, but they're not done very often because of the significant risks involved. Stem cells are special cells produced by bone marrow, a spongy tissue found in the centre of some bones. They can turn into different types of blood cells.