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논문 기본 정보

자료유형
학술저널
저자정보
Cherl NamKoong (University of Ulsan College of Medicine) Bohye Kim (Seoul National University College of Medicine) Ji Hee Yu (University of Ulsan College of Medicine) Byung Soo Youn (Osteoneurogen, Inc.) Hanbin Kim (Seoul National University College of Medicine) Evonne Kim (Seoul National University College of Medicine) So Young Gil (University of Ulsan College of Medicine) Gil Myoung Kang (University of Ulsan College of Medicine) Chan Hee Lee (University of Ulsan College of Medicine) Young-Bum Kim (Beth Israel Deaconess Medical Center and Harvard Medical School) Kyeong-Han Park (Kangwon National University College of Medicine) Min-Seon Kim (University of Ulsan College of Medicine) 권오빈 (서울대학교)
저널정보
대한생화학·분자생물학회 BMB Reports BMB Reports Vol.57 No.3
발행연도
2024.3
수록면
149 - 154 (6page)
DOI
https://doi.org/10.5483/BMBRep.2023-0117

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The stomach has emerged as a crucial endocrine organ in theregulation of feeding since the discovery of ghrelin. Gut-derivedhormones, such as ghrelin and cholecystokinin, can act throughthe vagus nerve. We previously reported the satiety effect ofhypothalamic clusterin, but the impact of peripheral clusterinremains unknown. In this study, we administered clusterinintraperitoneally to mice and observed its ability to suppressfasting-driven food intake. Interestingly, we found its synergismwith cholecystokinin and antagonism with ghrelin. These effectswere accompanied by increased c-fos immunoreactivity innucleus tractus solitarius, area postrema, and hypothalamicparaventricular nucleus. Notably, truncal vagotomy abolishedthis response. The stomach expressed clusterin at high levelsamong the organs, and gastric clusterin was detected in specificenteroendocrine cells and the submucosal plexus. Gastricclusterin expression decreased after fasting but recovered after2 hours of refeeding. Furthermore, we confirmed that stomachspecificoverexpression of clusterin reduced food intake afterovernight fasting. These results suggest that gastric clusterinmay function as a gut-derived peptide involved in the regulationof feeding through the gut-brain axis.

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