Pluripotency Markers
Pluripotency Markers - Related Videos
08:58
Induced Pluripotency
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2023
Induced pluripotent stem cells (iPSCs) are somatic cells that have been genetically reprogrammed to form undifferentiated stem cells. Like embryonic stem cells, iPSCs can be grown in culture conditions that promote differentiation into different cell types. Thus, iPSCs may provide a potentially unlimited source of any human cell type, which is a major breakthrough in the field of regenerative medicine. However, more research into the derivation and differentiation of iPSCs is still needed to...
01:13
Induced Pluripotent Stem Cells
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2019
Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore called induced pluripotent stem...
10:49
The Specification of Telencephalic Glutamatergic Neurons from Human Pluripotent Stem Cells
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Cited by 38 •
2013
This procedure yields telencephalic neurons by going through checkpoints which are similar to those observed during human development. The cells are allowed to spontaneously differentiate, are exposed to factors which push them towards the neural lineage, are isolated, and are plated onto coverslips to allow for terminal differentiation and maturation.
06:40
Directed Dopaminergic Neuron Differentiation from Human Pluripotent Stem Cells
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Cited by 58 •
2014
We, based on knowledge from developmental biology and published research, developed an optimized protocol to efficiently generate A9 midbrain dopaminergic neurons from both human embryonic stem cells and human induced pluripotent stem cells, which would be useful for disease modeling and cell replacement therapy for Parkinson’s disease.
06:37
Pluripotent Stem Cell Derived Cardiac Cells for Myocardial Repair
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Cited by 13 •
2017
We present three novel and more efficient protocols for differentiating human induced pluripotent stem cells into cardiomyocytes, endothelial cells, and smooth muscle cells and a delivery method that improves the engraftment of transplanted cells by combining cell injection with patch-mediated cytokine delivery.
FAQs
A panel provides a broader view of the molecular state associated with undifferentiated cells. Assessing OCT4, SOX2, NANOG, TRA-1-60, and SSEA-4 together allows researchers to interpret marker expression as part of a regulatory network rather than relying on one feature. This broader assessment supports more reliable characterization and quality-control decisions for embryonic and induced pluripotent stem cells.
OCT4, SOX2, and NANOG are assessed because their expression reflects regulatory networks that maintain an undifferentiated state. Their value lies in showing whether that network remains active, not merely whether a cell displays one isolated molecular feature. Monitoring these markers helps researchers evaluate stem-cell state during characterization, reprogramming, and changes associated with differentiation.
A change in marker expression can signal that cells are moving away from an undifferentiated state as lineage commitment proceeds. The result provides evidence of state transition, while the broader biological context determines how that transition relates to ectoderm, mesoderm, or endoderm derivatives. Marker changes therefore help track differentiation rather than simply label a starting cell population.
TRA-1-60 and SSEA-4 add molecular features to the assessment alongside OCT4, SOX2, and NANOG. Considering these markers together helps capture the state of cells through more than one type of readout. This complementary information is useful when researchers characterize embryonic stem cells or induced pluripotent stem cells and evaluate whether marker patterns change during differentiation.
During reprogramming, researchers can follow whether expression patterns associated with an undifferentiated state emerge and remain detectable. Marker analysis supplies quality-control information for induced pluripotent stem cells and helps evaluate the outcome of the reprogramming process. Continued monitoring also provides a way to identify later changes as cells begin lineage commitment or differentiation.
Marker analysis provides molecular evidence about the state of a cell population and whether it retains features associated with pluripotency. Researchers can use the resulting expression patterns to support characterization and quality control, while also monitoring changes over time. These data are especially relevant when cells will be studied in disease models, developmental investigations, or other experimental settings.
Monitoring these markers supports several areas of biology, including disease modeling, drug screening, developmental studies, and regenerative medicine. In each setting, the measurements help researchers determine whether cells retain an appropriate undifferentiated state or show changes linked with lineage commitment. That information strengthens interpretation of experiments using embryonic stem cells or induced pluripotent stem cells.
The three germ layers provide the developmental context for interpreting what pluripotent cells can produce: ectoderm, mesoderm, and endoderm. Marker expression helps track the starting undifferentiated state and changes that accompany differentiation, but the marker data should be considered alongside the intended developmental or lineage study. This connection makes the analysis relevant to developmental biology and regenerative research.