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Lab-Grown Penis Helps Rabbits
The rate of scientific development just advanced more for males as scientific researchers have engineered artificial penises in rabbits. About 16 years too late for John Wayne Bobbitt though. Researchers used cells from the animals, which then used their new organs to father baby rabbits. With this advancement people perhaps can someday grow larger penises’s and look like porn stars. But those days are decades away and might have some moral and ethical issues.
This new work takes scientists closer to making other complex solid organs such as livers using a patient's own cells, the researchers reported in the Proceedings of the National Academy of Sciences on Monday. The research is bases on cell growth on a micro level through embryonic stem cell technologyand provides a tailor-made transplant, said Dr. Anthony Atala of Wake Forest University Baptist Medical Center's Institute for Regenerative Medicine, who administered the study.
"Once the tissue is there, the body recognizes the tissue as its own," Atala said in a telephone interview.Atala focused on the penis because he is a pediatric urologist, who has specialized for years in disorders and congenital defects of the bladder and sexual organs.
"That was the inspiration for this work. We are seeing babies born with deficient genitalia all the time. There are no good options," Atala said.
He is also a specialist in regenerative medicine, which uses the body's own cells to repair damage. In this case, Atala's team used ordinary cells, not the stem cells often used in such research.
Companies such as Geron and privately held Advanced Cell Technology have business models based on such technology and hope to someday provide commercial uses for this technology.
Atala's team first created a scaffold using the penis of a rabbit, and removed all the living cells from it, leaving only cartilage. They then took a small piece of tissue from the penis of another rabbit and grew the cells in a lab dish.
Atala said the work has taken his team 18 years to complete. "We had to find the right growth factors, the right soup to grow the cells in," he said.
They made sure to have two cell types, smooth muscle cells and endothelial cells, the same type of cells that line blood vessels. The smooth muscle cells made the organ's spongy tissue and the endothelial cells grew into blood vessels -- very important in an organ like the penis, which requires good blood supply.
Perhaps one day we can pick and choose our penis.
This new work takes scientists closer to making other complex solid organs such as livers using a patient's own cells, the researchers reported in the Proceedings of the National Academy of Sciences on Monday. The research is bases on cell growth on a micro level through embryonic stem cell technologyand provides a tailor-made transplant, said Dr. Anthony Atala of Wake Forest University Baptist Medical Center's Institute for Regenerative Medicine, who administered the study.
"Once the tissue is there, the body recognizes the tissue as its own," Atala said in a telephone interview.Atala focused on the penis because he is a pediatric urologist, who has specialized for years in disorders and congenital defects of the bladder and sexual organs.
"That was the inspiration for this work. We are seeing babies born with deficient genitalia all the time. There are no good options," Atala said.
He is also a specialist in regenerative medicine, which uses the body's own cells to repair damage. In this case, Atala's team used ordinary cells, not the stem cells often used in such research.
Companies such as Geron and privately held Advanced Cell Technology have business models based on such technology and hope to someday provide commercial uses for this technology.
Atala's team first created a scaffold using the penis of a rabbit, and removed all the living cells from it, leaving only cartilage. They then took a small piece of tissue from the penis of another rabbit and grew the cells in a lab dish.
Atala said the work has taken his team 18 years to complete. "We had to find the right growth factors, the right soup to grow the cells in," he said.
They made sure to have two cell types, smooth muscle cells and endothelial cells, the same type of cells that line blood vessels. The smooth muscle cells made the organ's spongy tissue and the endothelial cells grew into blood vessels -- very important in an organ like the penis, which requires good blood supply.
Perhaps one day we can pick and choose our penis.