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Technical Challenges in the Derivation of Human Pluripotent Cells

Authors
Journal
Stem Cells International
1687-966X
Publisher
Hindawi Publishing Corporation (Sage-Hindawi Access to Research)
Publication Date
Volume
2011
Identifiers
DOI: 10.4061/2011/907961
Keywords
  • Review Article
Disciplines
  • Biology
  • Computer Science
  • Philosophy

Abstract

It has long been discovered that human pluripotent cells could be isolated from the blastocyst state of embryos and called human embryonic stem cells (ESCs). These cells can be adapted and propagated indefinitely in culture in an undifferentiated manner as well as differentiated into cell representing the three major germ layers: endoderm, mesoderm, and ectoderm. However, the derivation of human pluripotent cells from donated embryos is limited and restricted by ethical concerns. Therefore, various approaches have been explored and proved their success. Human pluripotent cells can also be derived experimentally by the nuclear reprogramming of somatic cells. These techniques include somatic cell nuclear transfer (SCNT), cell fusion and overexpression of pluripotent genes. In this paper, we discuss the technical challenges of these approaches for nuclear reprogramming, involving their advantages and limitations. We will also highlight the possible applications of these techniques in the study of stem cell biology.

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