Il33+ hybrid epithelial cells

1. Pregnancy decreases Il33+ hybrid epithelial cells in mice.

   “accumulate in aged nulliparous mice but are significantly reduced in aged parous mice”

   Animalsin aged parous vs nulliparous micemammary glandfemales

   Divergent aging of nulliparous and parous mammary glands reveals IL33+ hybrid epithelial cells

   Nature communications·21 Jan 2026

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