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# UCR finds immune sentinels in hair follicles
- URL: https://www.raincrossgazette.com/noteworthy/ucr-finds-immune-sentinels-in-hair-follicles/
- Published: 2026-04-28T19:00:00.000Z
- Updated: 2026-10-22T14:03:03.000Z
- Author: Gazette Staff
- Tags: Education, #brief, #herald-noteworthy:69efdac73b443b0001e4eb06:2

UCR School of Medicine researchers have [discovered previously unrecognized immune "sentinel" cells inside hair follicles](https://news.ucr.edu/articles/2026/04/24/immune-surveillance-structures-found-skin-hair-follicles?ref=raincrossgazette.com) that may explain how skin monitors microbial threats despite its thick, multi-layered structure.