Stem cell therapy Flashcards

1
Q

Pluripotent stem cells can give
rise to neural stem cells.
True or False?

A

True (can give rise to any kind of cell, all three germ layers)

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2
Q

ESCs and iPSCs are equivalent for
transplantations as part of stem cell
therapies.
True or False?

A

False, the tumor risk is too high

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3
Q

Umbilical cord blood
derived stem cells can be
used for clinical
applications directly
True or False?

A

False, secondary answer: It is possible but too small concentration and little blood in cord

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4
Q

Induced pluripotent stem cells pose no
concern of immune rejection.
True or False?

A

False, there is graft versus host disease risk (GVHD)

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5
Q

Guided differentiation of induced pluripotent stem
cells into blood cells in a lab setting can be used
for clinical applications.
True or False?

A

False, only blood cells are viable, nothing else works atm

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6
Q

What are stem cells?

A

They can self-renew

They can differentiate into
specialized mature cells

Originate from blastula

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7
Q

Totipotent stem cells?

A

Can give rise to an organism e.g. zygote

toti = whole

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8
Q

Pluripotent stem cell?

A

Can give rise to all three germ layers (mesoderm, endoderm and ectoderm)

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9
Q

Multipotent stem cell?

A

Adult stem cells e.g. a neural stem cell or a hematopoietic stem cell

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10
Q

Which cells are most valuable for research and clinical application?

A

Pluri and multipotent stem cells

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11
Q

Can SC therapy be used for Parkinsons disease?

A

Yes, hES cell-based dopamine nerve cell product

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12
Q

Can SC therapy be used for CVD disease?

A

Yes, iPSC-derived cardiomyocytes
(iPSC-CM) can be used to
remuscularize the damaged region of the
heart in patients that have suffered a
myocardial infarction

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13
Q

What are some of the safety limitations for SC therapy?

A

Teratomas

Insertional Mutagenesis

Genomic Integrity

Risk of Immunogenicity

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14
Q

Limitation: Are SC a scarce resource

A

Yes

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15
Q

Limitation: Are stem cells complicated to produce?

A

Yes, they Complicated manufacturing/ differentiation procedure

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16
Q

Limitations: Name a few QCs fromthe list on how to ensure correct SC differentiation and selectivity

A

Short tandem repeat analysis or flow cytometry

17
Q

Limitation: How can sc therapy be delivered?

A

Transdifferentiation from biopsy

Functional cells from organoids

Bioengineering (cell sheets, injectable hydrogels, porous scaffolds)