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Neural regulation of energy and bone homeostasis by the synaptic adhesion molecule Calsyntenin-3

Authors
 Sung-Jin Kim  ;  Yong Taek Jeong  ;  Se Rok Jeong  ;  Munsu Park  ;  Hye Sun Go  ;  Mi Young Kim  ;  Je Kyung Seong  ;  Ki Woo Kim  ;  Jeong Taeg Seo  ;  Chul Hoon Kim  ;  Ji Hyun Lee  ;  Seok Jun Moon 
Citation
 EXPERIMENTAL AND MOLECULAR MEDICINE, Vol.52(5) : 793-803, 2020-05 
Journal Title
 EXPERIMENTAL AND MOLECULAR MEDICINE 
ISSN
 1226-3613 
Issue Date
2020-05
Abstract
Neuronal regulation of energy and bone metabolism is important for body homeostasis. Many studies have emphasized the importance of synaptic adhesion molecules in the formation of synapses, but their roles in physiology still await further characterization. Here, we found that the synaptic adhesion molecule Calsyntenin-3 (CLSTN3) regulates energy and bone homeostasis. Clstn3 global knockout mice show reduced body mass with improved leptin sensitivity and increased energy expenditure compared to their wild-type littermates. In addition, Clstn3 knockout mice show reduced marrow volume and cortical bone mass without alteration of trabecular bone microarchitecture. This reduced bone mass is not bone cell-autonomous because neither osteoblast- nor osteoclast-specific Clstn3 knockout mice show bone defects; similarly, in vitro cultures of both Clstn3 knockout osteoblasts and osteoclasts do not show any defects. These reduced body and bone mass phenotypes can be attributed instead to neuronal CLSTN3 because they are recapitulated by pan-neuronal but not sympathetic neuron-specific deletion of Clstn3. This study reveals novel physiological functions of neuronal Clstn3 as a key regulator of energy and bone homeostasis.
Files in This Item:
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DOI
10.1038/s12276-020-0419-8
Appears in Collections:
2. College of Dentistry (치과대학) > Dept. of Oral Biology (구강생물학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Pharmacology (약리학교실) > 1. Journal Papers
2. College of Dentistry (치과대학) > Others (기타) > 1. Journal Papers
Yonsei Authors
Kim, Ki Woo(김기우) ORCID logo https://orcid.org/0000-0002-7790-1515
Kim, Sung Jin(김성진) ORCID logo https://orcid.org/0000-0003-4115-0403
Kim, Chul Hoon(김철훈) ORCID logo https://orcid.org/0000-0002-7360-429X
Moon, Seok Jun(문석준) ORCID logo https://orcid.org/0000-0001-7282-2888
Seo, Jeong Taeg(서정택) ORCID logo https://orcid.org/0000-0003-2697-0251
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179175
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