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Abstract
Embryonic stem cells hold potential to the fields of
regenerative medicine, developmental biology, tissue
regeneration, disease pathogenicity and drug discovery.
Embryonic stem (ES) cell lines are now available in
primates, including man, rhesus and cynomologous monkeys.
Monkey ES cells serve as invaluable clinically relevant models
for studies that can't be conducted in humans because of
practical or ethical limitations or in rodents because of
differences in physiology and anatomy. Here, we review
the current status of non-human primate research with ES
cells beginning with a description of their isolation,
characterization and availability. Substantial
limitations still plague the use of primate ES cells such
as their required growth on feeder layers, poor cloning
efficiency and restricted availability. The ability to
produce homogenous populations of both undifferentiated as
well as differentiated phenotypes is an important
challenge and genetic approaches to achieving these
objectives are discussed. Finally safety, efficiency and
feasibility issues relating to the transplantation of ES
derived cells are considered.
Key words:
Embryo
Assisted Reproductive Technology
Developmental biology
Early development
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