"The first use of embryonic stem cells in humans eased a degenerative form of blindness in two volunteers and showed no signs of any adverse effects, according to a study published by The Lancet on Monday."
While the stem cells used in this particular study are embryonic, personally I feel this is good news regarding safety concerns for future potential stem cell based hair loss treatments for humans.
There remains, however, concern that use of stems cells could cause cancer; avoided in this instance by injecting cells into an area of the eye which lacks strong immune response, circumventing the issue.
"[...]donated stem cells, provoking an immune response, can be rejected by the body or cause cancer.[...] Addressing the biological question, ACT used the stem cells at a so-called "immunoprivileged" site, the eye, where there is not a strong immune response because of a shield known as the blood-ocular barrier."
While the stem cells used in this particular study are embryonic, personally I feel this is good news regarding safety concerns for future potential stem cell based hair loss treatments for humans.
There remains, however, concern that use of stems cells could cause cancer; avoided in this instance by injecting cells into an area of the eye which lacks strong immune response, circumventing the issue.
"[...]donated stem cells, provoking an immune response, can be rejected by the body or cause cancer.[...] Addressing the biological question, ACT used the stem cells at a so-called "immunoprivileged" site, the eye, where there is not a strong immune response because of a shield known as the blood-ocular barrier."
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