New Gene-Editing Strategy Could Help Development of Treatments for Rare Diseases

Instead of requiring personalized gene edits for each patient, the new approach could create a standardized method to use for many diseases.

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F.D.A. Sharply Limits Approval for Drug Linked to Two Teen Deaths

A gene therapy for Duchenne muscular dystrophy caused complications to the liver, prompting a review of its use for younger patients.

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Scientists Grow More Hopeful About Ending a Global Organ Shortage

At an international conference, researchers at the forefront of animal-human transplantation compared notes and allowed themselves the first real optimism in decades.

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Pig Kidney Removed From Transplant Patient After Nine Months

Tim Andrews, 67, lived with a genetically modified organ longer than any other recipient.

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Chinese Surgeons Perform First Pig-to-Human Liver Transplant

The transplanted portion of the genetically modified pig liver was removed after 38 days, and the patient, who had advanced liver cancer and cirrhosis, died several months later.

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These Patients Got the Cure. Then It Went Away.

Gene therapies for rare diseases are frequently developed then discarded by drug companies because they can’t afford to produce the treatment for more patients.

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Pig Organ Transplants May Pose a Dilemma for Some Jews and Muslims

The taboo against pork is deeply entrenched in both religious traditions. But the prohibition is not absolute.

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Scientists Perform First Pig-to-Human Lung Transplant

Researchers in China placed a lung from a genetically modified pig into a brain-dead man, with mixed results.

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How the U.S. and Mexico Are Fighting Deadly Flesh-Eating Screwworms

The American and Mexican governments are exploring “all options” to battle a deadly parasite threatening cattle and wildlife.

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Scientists are Learning to Rewrite the Code of Life

In a giant feat of genetic engineering, scientists have created bacteria that make proteins in a radically different way than all natural species do.

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