Stem cells are tiny progenitor cells found in our body that can divide (through mitosis) and change (differentiate) into various cell types. All cells in our body are constantly dividing where new cells are formed, then cells age and die. It is a natural physiologic process of programmed cell death and is known as Apoptosis. Your stem cells are your body’s natural healing cells and can act as your repair system in your body by replenishing adult tissues. They are the source of all these cells that have died.
Why Stem Cells?
Stem cells are tiny progenitor cells found in our body that can divide (through mitosis) and change (differentiate) into various cell types. All cells in our body are constantly dividing where new cells are formed, then cells age and die. It is a natural physiologic process of programmed cell death and is known as Apoptosis. Your stem cells are your body’s natural healing cells and can act as your repair system in your body by replenishing adult tissues. They are the source of all these cells that have died. There are two broad types of stem cells: embryonic stem cells, which are isolated from the inner cell mass of blastocyst (early stage of embryo), and non-embryonic or adult stem cells. It is also referred to as mesenchymal stem cells MSCs and is found in various tissues. There are three accessible sources of autologous adult stem cells in humans:
Bone marrow, which requires extraction by drilling into the bone (typically the femur or iliac crest).
Blood, which requires extraction through pheresis, wherein blood is drawn from the donor (similar to a blood donation), passed through a machine that extracts the stem cells and returns other portions of the blood to the donor.
Adipose tissue (Fat cells), which requires extraction by liposuction.
Stem cells can also be taken from umbilical cord blood just after birth. Of all stem cell types, autologous harvesting (cells are obtained from one's own body) from Adipose tissue (Fat cells) involves the least risk. Adipose tissue (fat cells) is one of the richest sources of MSCs. When compared to bone marrow, there are more than 500 times more stem cells in 1 gram of fat when compared to 1 gram of aspirated bone marrow.
You may need as many as five sessions of this mesotherapy treatment for hair loss over a period of four to six months before you see significant results. Your mesotherapist will let you know if your particular case requires more or less treatment.
Hair follicles also contain stem cells, and some researchers predict research on these follicle stem cells may lead to successes in treating baldness through an activation of the stem cells progenitor cells. This therapy is expected to work by activating already existing stem cells on the scalp. Later therapy may be able to simply signal follicle stem cells to give off chemical signals to nearby follicle cells which have shrunk during the aging process, which in turn respond to these signals by regenerating and once again making healthy hair. Most recently, some doctors have claimed that stem-cell therapy led to a significant and visible improvement in follicular hair growth.
How do you grow hair follicles from stem cells?
Mesenchymal stem cells or MSCs are multipotent stromal cells that can differentitate into a variety of cell types including: osteoblasts (bone cells), chondrocytes (cartilage), connective tissues and adipocytes (fat cells). Hair follicle papilla, which is a large structure at the base of the hair follicle bulb, is made up mainly of connective tissue and a capillary loop. (See hair follicle illustration). Since it is mainly connective tissue, mesenchymal stem cells could play a role in the repair and regenesis of the hair follicle papilla. Another point to consider is that the hair follicle develops mainly from the dermis and is mesodermal in origin. In Mesenchymal stem cells are also mesodermal in origin. Furthermore, there is tight ectodermal and mesodermal interaction involve in hair follicle development. Discoveries in recent years have suggested that adult stem cells might have the ability to differentiate into cell types from different germ layers. For instance, neural stem cells from the brain, which are derived from ectoderm, can differentiate into ectoderm, mesoderm, and endoderm. Stem cells from the bone marrow, which is derived from mesoderm, can differentiate into liver, lung, GI tract and skin, which are derived from endoderm and mesoderm. This phenomenon is referred to as stem cell transdifferentiation or plasticity.
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