%0 Journal Article %T La investigaci¨®n con c¨¦lulas troncales humanas embrionarias y adultas: El nacimiento de la medicina regenerativa Perspectivas cient¨ªficas, implicaciones epistemol¨®gicas y dilemas bio¨¦ticos %A Mej¨ªa Rivera %A Orlando %J Acta Medica Colombiana %D 2007 %I Asociacion Colombiana de Medicina Interna %X research with stem cells is the most promising medical discovery for understanding and management of pathologies incurable so far. but besides that, it also announces the birth of regenerative medicine. this article analyses the state of the art with human embryonic and adult stem cells research, from the perspective of its revolutionary biological implications (questioning the classical embryology dogma of modern cardiology as well as the modern neurology dogma, epistemology (insufficient explanation of the mechanistic model of molecular biology) and its bioethical dilemma (moral statute of the embryo, creation of human - non - human and clinical research protocols). %K stem cells %K regenerative medicine %K human - non - human chimeras %K ethical dilemmas. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0120-24482007000400008&lng=en&nrm=iso&tlng=en