Information about Stem Cells
The medical field has experienced numerous advancements over the years. The numerous advancements are due to the technologies that have been invented. Various diseases and medical conditions that were impossible to treat or correct can now be treated or reversed with stem cell therapy. Stem cells have numerous differences from the regular cells. You need to research more about stem cells if you want to understand stem cells more. There are two main types of stem cells. Stem cells are mainly categorized into adult stem cells and embryonic stem cells. Stem cells derived from living human beings are referred to as adult stem cells. Stem cells that are derived from human embryos are referred to as embryonic stem cells.
Adult stem cells are as versatile as embryonic stem cells, but they cannot become all the cell types found in the human body. The first uses of stem cells were umbilical cord and bone mallow transplantation. However, the inability of adult stem cells to become all the cell types found in the human body made some scientists believe that adult stem cells are inferior to embryonic stem cells. By reprogramming adult stem cells, scientists hope they can make adult cells capable of becoming any cell type in the human body. Reprogrammed adult stem cells are also referred to as induced pluripotent stem cells.
Induced pluripotent stem cells can become all the stem cells found in the human body, the same as embryonic stem cells. Even though dividing to create every type of cell found in the human body is not within the capacity of adult stem cells, they available in plenty and have a low risk of immune system injection in patients. The embryo is mainly made up of only stem cells within the first four to five days after fertilization. Every cell in the human body was a stem cell during the first four to five days after the embryo was fertilized. Five or six days after fertilization, the stem cells forming the embryo cease to be pluripotent.
Perinatal stem cells are mostly sourced from amniotic fluid and tissue, umbilical cord blood and tissue, and placental blood and tissue. Adult stem cells are mainly harvested in three ways; bone marrow extraction, blood draw, and tissue fat extraction, also referred to as liposuction. Embryos used to harvest embryonic stem cells are multiplied in a laboratory and not grown in a woman’s womb. You should be prepared to feel fatigued and sore for a few weeks if you want to be a donor for stem cells because about ten percent of a donor’s bone marrow is extracted. So that the procedure of extracting stem cells from the bone marrow can be painless the donor sedated.
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