%0 Journal Article %T Tras la huella de las c¨¦lulas madre %A Hern¨¢ndez Ram¨ªrez %A Porfirio %A Dortic¨®s Balea %A Elvira %J Revista Cubana de Hematolog£¿-a, Inmunolog£¿-a y Hemoterapia %D 2010 %I Editorial Ciencias M¨¦dicas %X in past years there was an increasing interest by to know about the biodistribution of stem cells in organism after its perfusion or direct injection in a part of the body. thus, we used different procedures including the cell labeling with distinct fluorochromes, such as the green fluorescence protein and the red fluorescence protein or a plasmid transfection codifying the fluorescent proteins of fluorescent molecular stents to identify the chromosomes. recently non-invasive leading imaging techniques have been introduced including nuclear magnetic resonance. as well as procedures based on radionuclide labeling to obtain the positron emission tomography (pet) images or by photon-emission computed tomography (spect). %K stem cells %K cellular labeling %K biodistribution %K fluorescence %K nuclear magnetic resonance %K pet %K spect. %U http://scielo.sld.cu/scielo.php?script=sci_abstract&pid=S0864-02892010000200003&lng=en&nrm=iso&tlng=en