Stem Cells: A Cure at What Cost?

Thesis Statement Embryonic stem cells have given rise to

much controversy because the result is killing a human embryo, while adult stem cells can be used for the same purposes without the devastating result of a

loss of life.

Stem CellsTypes of Stem Cells:

Adult stem cells: Multipotent and pluripotentEmbryonic stem cells: Pluripotent

Stem Cells

Blood Cells

Pancreatic Cells

Brain Cells

And many other types of cells!

Embryonic stem cellsObtained from a five day old cellCells are cultured in petri-dish Three embryonic germ layers, want

the desired inner cell mass Inner Cell Mass

The downside to Embryonic stem cellsCan become cancerous unlike

adult stem cellsShare the same protein as cancer

cells: Nucleostemin

Normal cell Cancer Cell

Protein

Adult stem cellsFound in various adult tissues Ex: Bone marrow Treats 80 different diseases

Adult stem cell

Bone Marrow

Adult stem cells are safer than Embryonic stem cellsImmune system might reject the

stem cellsEmbryonic stem cells are

essentially allografts causing the immune system to attack the cells

Religion•Catholic Religion opposes embryonic stem cells

•Believe all life is sacred

•Don’t oppose the use of adult stem cells

Diseases benefitedAdult stem cells help treat many

different diseasesStem cell therapies include regular

injections of needed cells

Embryonic Stem Cells

Are they worth it?

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