Stemcellshavetheremarkablepotentialtodevelopintomanydifferentcelltypes,essentiallywithoutlimittoreplenishothercellsaslongasthepersonoranimalisstillalive,offeringimmensehopeofcuringAlzheimer’sdisease,repairingdamagedspinalcords,treatingkidney,liverandlungdiseasesandmakingdamagedheartswhole.Untilrecently,scientistsprimarilyworkedwithtwokindsofstemcellsfromanimalsandhumans:embryonicstemcellsandnon-embryonic'somatic'or'adult'stemcells.Recentbreakthroughmakeitpossibletoconvertor'reprogram'specializedadultcellstoassumeastemstem-likecellswithdifferenttechnologies.Thereviewwillbrieflydiscusstherecentprogressesinthisarea.更多还原
