Stem cells therapeutics has come a long way since stem cells and their potential was discovered for the first time.\ud Intense research into cellular biology of stem cells has revealed that they possess immense potential for curing\ud many human diseases. Research done in last couple of decades revealed that a particular class of stem cells\ud called, “Human embryonic stem cells (HESCs)” possessed exceptional self-renewal and pluripotency properties.\ud There ability to differentiate into specialized cell lineages of all three embryonic germ layers contributed further towards their popularity. However, in recent times HESCs have come under the cross-hairs of critics, politicians and religious groups due to certain technical and ethical concerns related to them. Such problems with HESCs research have forced stem cell researchers to start exploring the prospects of using alternatives to HESCs for\ud regenerative medicine and therapeutics. In the present review, various sources of stem cells have been described,\ud which in near future, have the potential to replace HESCs in regenerative medicine
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