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The Israeli breakthrough that will prevent blindness in the elderly – Ynetnews

May 12th, 2017 10:45 pm

A groundbreaking experiment conducted at Hadassah Hospital in Jerusalem using embryonic stem cells has succeeded in preventing blindness in the elderly. The researchers used stem cells to transplant retinal pigment cells into older patients with vision impairment.

Retinal degeneration in older age is a particularly common disease in the Western world. 30 percent of adults older than 75 suffer from it, and 6 to 8 percent of them suffer from total vision loss.

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Embryonic stem cells are harvested from in vitro fertilized embryos. When the couple decides they do not want to expand the family unit anymore, frozen embryos can be used to isolate the stem cells. These cells are unique because during pregnancy they are the ones that actually form the body of the fetus, and they can serve as a source of transplantation for every cell in the human body.

Prof. Benjamin Reubinoff, director of the Hadassah Center for Embryonic Stem Cell Research and an expert in obstetrics and gynecology, founded a company called Cellcure, which focuses on developing embryonic stem cell transplantation in patients with incurable diseases in the nervous system and the eyes.

Prof. Reubinoff and Prof. Eyal Banin, director of the Center for Retinal Degeneration Diseases at Hadassah's Department of Ophthalmology, began performing transplantations in five patients. Using imaging, they found that the transplanted cells were successfully absorbed into the retina.

"This is a great achievement for us. The vision of the elderly has remained stable and has not deteriorated as it would have without the transplant," explained Prof. Reubinoff. "If the treatment is proven to be effective, we will implant the cells at an early stage of the disease, thereby preventing millions of elderly people around the world from losing their sight."

Despite the success of the trial, the researchers believe it will take more time for the treatment to be available to all patients. "We will also have to prove safety and efficacy before we make it effective for everyone," concluded Prof. Reubinoff.

(Translated and edited by N. Elias)

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The Israeli breakthrough that will prevent blindness in the elderly - Ynetnews

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