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Stem cells
Undifferentiated cells that can continually divide to become specialised via differentiation
What are the 4 types of stem cells?
Totipotent
Pluripotent
Multipotent
Unipotent
Totipotent
Stem cells that can divide and differentiate into any type of body cell and placental cells
Pluripotent
Stem cells that can divide and differentiate into any type of body cell but not placental cells
Multipotent
Stem cells that can divide and differentiate into a limited number of cells
Unipotent
Stem cells that can only divide and differentiate into one type of cell
Give an example of a unipotent stem cell
Cardiomyocyte
Cardiomyocyte role
Heart muscle cells that make up much of the tissue in our hearts and are responsible for the contraction of the heart
Outline how induced pluripotent stem (iPS) cells are produced
Adult unipotent cell is taken
DNA of cell is manipulated using appropriate transcription factors
This turns on all genes in cell
This induces body cell to become pluripotent
These cells have self-renewal property so can divide indefinitely