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Medical Oddities: Pig Semen, Meet Eye Drops

Evolution, sex, soil, and diets—this lineup covers a little bit of everything.

  • By

  • Teraya Smith

  • April 1, 2026

  • 6 min

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  • 1

    Investigators used pig semen-derived exosomes as eye drop carriers, achieving significant corneal penetration in mouse models.

  • 2

    The engineered exosomes inhibited tumor cells by 83% in vitro and reduced retinoblastoma burden to 2.35% of control levels in vivo.

  • 3

    Treatment with these eye drops induced oxidative stress and apoptosis in tumor cells while preserving retinal function.

  • 4

    The drops showed minimal toxicity and cleared within 24 hours, presenting a novel approach to ophthalmic drug delivery.

  • 5

    This study highlights innovative uses of biological materials in medicine, showcasing unexpected advancements in treatment methods.

Original Source(s)

Medical Oddities: Pig Semen, Meet Eye Drops

  • by Teraya Smith

  • April 1, 2026

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