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자료유형
학술저널
저자정보
Adpaikar Anish Ashok (Yonsei University College of Dentistry) Lee Jong-Min (Yonsei University College of Dentistry) Lee Dong-Joon (Yonsei University College of Dentistry) Cho Hye-Yeon (Yonsei University College of Dentistry) Ohshima Hayato (Niigata University Graduate School of Medical and Dental Sciences) Moon Seok Jun (Yonsei University College of Dentistry) Jung Han-Sung (Yonsei University College of Dentistry)
저널정보
대한생화학·분자생물학회 Experimental and Molecular Medicine Experimental and Molecular Medicine 제55권
발행연도
2023.1
수록면
1 - 12 (12page)
DOI
10.1038/s12276-022-00924-8

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Taste receptor cells are taste bud epithelial cells that are dependent upon the innervating nerve for continuous renewal and are maintained by resident tissue stem/progenitor cells. Transection of the innervating nerve causes degeneration of taste buds and taste receptor cells. However, a subset of the taste receptor cells is maintained without nerve contact after glossopharyngeal nerve transection in the circumvallate papilla in adult mice. Here, we revealed that injury caused by glossopharyngeal nerve transection triggers the remaining differentiated K8-positive taste receptor cells to dedifferentiate and acquire transient progenitor cell-like states during regeneration. Dedifferentiated taste receptor cells proliferate, express progenitor cell markers (K14, Sox2, PCNA) and form organoids in vitro. These data indicate that differentiated taste receptor cells can enter the cell cycle, acquire stemness, and participate in taste bud regeneration. We propose that dedifferentiated taste receptor cells in combination with stem/progenitor cells enhance the regeneration of taste buds following nerve injury.

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