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Semos - Monkey
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Semos

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Semos was a nine-year-old male rhesus macaque residing at the Oregon National Primate Research Center. In 2007, scientists led by Shoukhrat Mitalipov successfully utilized Semos's skin cells to create cloned embryonic stem cells. This marked the first time primate embryonic stem cells were extracted from a cloned monkey embryo, representing a significant milestone in stem cell research.

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What was significant about Semos the rhesus macaque?

Semos was a nine-year-old male rhesus macaque at the Oregon National Primate Research Center whose skin cells were used as donor material to produce cloned embryonic stem cells. The research represented a milestone in primate somatic cell nuclear transfer and stem cell science.

Was Semos himself a clone?

No, Semos was not a clone. Skin cells taken from Semos served as the nuclear donor material to create cloned embryos through somatic cell nuclear transfer, from which embryonic stem cell lines carrying his genetic profile were derived.

Where was the Semos cloning research conducted?

The research was conducted at the Oregon National Primate Research Center, which is part of Oregon Health & Science University. The work was led by the laboratory of Shoukhrat Mitalipov, a scientist known for his contributions to primate cloning and stem cell research.

When was the Semos stem cell research published?

The findings were reported in the journal Nature in the late 2000s, marking the first successful derivation of embryonic stem cells from a cloned primate embryo. The paper generated significant attention in both the scientific community and broader bioethics discussions.

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