Stem cells have an interesting, and somewhat controversial history. Stem cell research can be traced in the beginning of 1800s with the discovery that some cells could generate other cells. Cells were basically the building blocks of life. This became the start of a medical research towards discovering different aspects of adult stem cell treatment and therapy, whether it is for humans or for animals, like canines.
The history of stem cell research includes work with both animal and human stem cells. Based on their discovery stem cells have three broad categories, (1) totipotent stem cells are found only in early embryo, (2) pluripotent stem cells exist in the undifferentiated inner cell mass of the blastocyst and can form any of the over 200 different cell types found in the body and (3) multipotent stem cells are derived from fetal tissue, cord blood, and adult stem cells.
Early 1900s marked the time when attempts were being made to fertilize mammalian eggs outside of the human body. Because of these attempts, scientists and researchers were able to discover that some cells had the ability to generate blood cells.
Some early attempts include several...
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