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Lab scientists grow mini human tear glands that cry

Lab scientists grow mini human tear glands that cry

Science
March 16 (UPI) -- Using new organoid technology, scientists have successfully grown miniature tear glands that actually cry. The breakthrough -- described Tuesday in the journal Cell Stem Cell -- could help researchers study the tear-production process and determine why some duct cells fail to produce tears. Advertisement Scientists hope the organic models can be used to develop treatments for tear gland disorders like dry eye disease. Eventually, tear glands grown in the lab could be used as transplants. Tears are vital to healthy eyes. Produced by the ducts in the corner of the eye socket, tears lubricate the eyes and deliver nutrition to the cornea. Antibacterial properties in tears also help prevent eye infections. "Dysfunction of the tear gland, for example in Sjögren's syndrome, ca...