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2. Stem cell - Wikipedia

   en.wikipedia.org/wiki/Stem_cell

   Stem cell tourism is the part of the medical tourism industry in which patients travel to obtain stem cell procedures. [110] The United States has had an explosion of "stem cell clinics". [111] Stem cell procedures are highly profitable for clinics. The advertising sounds authoritative but the efficacy and safety of the procedures is unproven.

3. Embryonic stem cell - Wikipedia

   en.wikipedia.org/wiki/Embryonic_stem_cell

   Embryonic stem cells ( ESCs) are pluripotent stem cells derived from the inner cell mass of a blastocyst, an early-stage pre- implantation embryo. [ 1][ 2] Human embryos reach the blastocyst stage 4–5 days post fertilization, at which time they consist of 50–150 cells. Isolating the inner cell mass (embryoblast) using immunosurgery results ...

4. Stem-cell therapy - Wikipedia

   en.wikipedia.org/wiki/Stem-cell_therapy

   Stem-cell therapy uses stem cells to treat or prevent a disease or condition. [ 1] As of 2024, the only FDA-approved therapy using stem cells is hematopoietic stem cell transplantation. [ 2][ 3] This usually takes the form of a bone marrow or peripheral blood stem cell transplantation, but the cells can also be derived from umbilical cord blood.

5. Induced pluripotent stem cell - Wikipedia

   en.wikipedia.org/wiki/Induced_pluripotent_stem_cell

   Induced pluripotent stem cells (also known as iPS cells or iPSCs) are a type of pluripotent stem cell that can be generated directly from a somatic cell. The iPSC technology was pioneered by Shinya Yamanaka and Kazutoshi Takahashi in Kyoto, Japan, who together showed in 2006 that the introduction of four specific genes (named Myc, Oct3/4, Sox2 ...

6. Stem cell controversy - Wikipedia

   en.wikipedia.org/wiki/Stem_cell_controversy

   The stem cell controversy concerns the ethics of research involving the development and use of human embryos. Most commonly, this controversy focuses on embryonic stem cells. Not all stem cell research involves human embryos. For example, adult stem cells, amniotic stem cells, and induced pluripotent stem cells do not involve creating, using ...

7. Adult stem cell - Wikipedia

   en.wikipedia.org/wiki/Adult_stem_cell

   A stem cell possesses two properties: . Self-renewal is the ability to go through numerous cycles of cell division while still maintaining its undifferentiated state. Stem cells can replicate several times and can result in the formation of two stem cells, one stem cell more differentiated than the other, or two differentiated cells.