Multi-omics analysis reveals a protective role of endogenous proline in sheep oocyte vitrification and its therapeutic application.

Summary: Freezing eggs (oocytes) is a great way to save them for the future, but the extreme cold and harsh chemicals can stress and damage them. Scientists looked closely at sheep eggs to see how they handle this freezing process. They discovered that the eggs naturally build up a special amino acid called proline. Proline acts like a protective shield, defending the eggs from freezing stress and damage. By understanding this natural defense, doctors might use proline to help freeze eggs better in the future, giving them a much better chance to survive and grow!