Tag Archives: Cornea

Stem Cells Restore Sight in India

Ashok Chakravarti remembers the moment he went blind.
It was on February 18, 2002. He was at work, at a chemical plant, when a pipe carrying sodium hydroxide (caustic soda) started to leak.
“I was fixing the leak when the chemical splashed into my eyes,” he says. The accident damaged the outermost layer of his eyes, the cornea.

Chakravarti is among thousands of Indians who lose their sight in chemical accidents each year.
Today, some of those people can see again, thanks to scientists at the L.V. Prasad Eye Institute, in Hyderabad.

The institute is treating patients with stem cells – not the controversial
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Corneal stem cells to give mom better vision

Debra Astrug was struggling. She couldn’t read or drive, she worried about crossing the street to get the mail, and she couldn’t draw (…)

Astrug needed a transplant, this time of corneal stem cells from a living donor to fix her limbal stem cell deficiency, which causes the cornea to be covered with abnormal tissue. She underwent the transplant in March 2013 at Loyola University Medical Center in Maywood and now has near-perfect vision with a therapeutic lens (…)

Astrug’s sister would have been an ideal candidate to donate the tissue, but she died in 2005 from stomach cancer. Next best
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Stem Cells Repair Damaged Corneas in Mice; Procedure may someday replace transplants in people

Image by GogDog via Flickr

Stem cells injected into the eyes of mice with defective corneas returned the corneas to a more normal appearance, a new study has found.

Researchers hope the procedure might one day be in humans. About 40,000 such transplants are done each year in the United States.

“The stem cells took the scar-like matrix, remodeled it and made it more like normal,” said senior investigator James Funderburgh, an associate professor of ophthalmology at the University of Pittsburgh. “We were surprised and delighted.”

A report on the study is in the April 9 online edition of the journal Stem Cells.

The
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The IOBA presents the results of clinical trials with cell therapy for corneal blindness

Image via Wikipedia

Health Counselor Board, Javier Alvarez Guisasola, launched on Wednesday a clinical trial coordinated by Professor Margarita Calonge, IOBA’s on cell therapy applied to treat corneal blindness.
This study was coordinated by the IOBA and IBGM to demonstrate the long-term effectiveness of the epithelial stem cell transplantation of the cornea, previously cultivated to restore corneal blindness. Stem cells come from a healthy eye of the patient or family support.

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