Stem Cells: A Historical Review about Biological, Religious, and Ethical Issues

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="3">Limits of stem cells</td></tr><tr class="thead"><td class="align_center" colspan="2">Embryonic stem cells</td><td class="align_center">Adult stem cells</td></tr><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td class="align_left">In vitro fertilization</td><td class="align_center">Nuclear transport</td><td class="align_center" rowspan="2">Production of a limited number of cell types. They are not found in all tissues. Difficulties in identification, isolation, preservation, and cultivation in the laboratory.</td></tr><tr><td class="align_left">Limited number of cell lines for federally funded research needs. Risks for the creation of teratomas (tumors) from the transplantation of undifferentiated stem cells.</td><td class="align_center">It has not yet been achieved in humans. Risks for the creation of teratomas (tumors) from the transplantation of undifferentiated stem cells.</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Main differences and limitations for use of stem cells.</div>

Stem Cells International

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Table 2

Table 2: Stem Cells: A Historical Review about Biological, Religious, and Ethical Issues 