Geenitehnoloogia eetilised, õiguslikud, ärilised aspektid, eksami kordamisküsimuste vastused
cell types.
Embryonic stem cells
Adult stem cells
Bone marrow, adipose tissue, blood (umbilical cord)
Self-renewal, totipotent, pluripotent
Can be artificially grown and transformed
Therapy
Introduction of new adult stem cell into damaged tissue
Minimal risk of rejection and side-effects
Potential to change an overall picture of human diseases
Most therapies are at experimental stages
Potential treatments
Heart damage: - old and recent infarcts
- Generation of heart muscle cells
- Stimulation of growth of new blood vessels
- Secretion of growth factors
- August 2012: first successful integration of human ESC-derived cardiomyocytes
- Diabetes human ESC grown in cell culture may be stimulated to form insulin-
producing cells, that can be lately transplanted into patient
- Stem cells from umbilical cord blood are used to re-educate a diabetic`s own T cells
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