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Pathophysiology
Primary Cilia as a Signaling Platform for Control of Energy Metabolism
Do Kyeong Song, Jong Han Choi, Min-Seon Kim
Diabetes Metab J. 2018;42(2):117-127.   Published online April 19, 2018
DOI: https://doi.org/10.4093/dmj.2018.42.2.117
  • 7,935 View
  • 125 Download
  • 26 Web of Science
  • 24 Crossref
AbstractAbstract PDFPubReader   

Obesity has become a common healthcare problem worldwide. Cilia are tiny hair-like organelles on the cell surface that are generated and anchored by the basal body. Non-motile primary cilia have been considered to be evolutionary rudiments until a few decades, but they are now considered as important signaling organelles because many receptors, channels, and signaling molecules are highly expressed in primary cilia. A potential role of primary cilia in metabolic regulation and body weight maintenance has been suspected based on rare genetic disorders termed as ciliopathy, such as Bardet-Biedl syndrome and Alström syndrome, which manifest as obesity. Recent studies have demonstrated involvement of cilia-related cellular signaling pathways in transducing metabolic information in hypothalamic neurons and in determining cellular fate during adipose tissue development. In this review, we summarize the current knowledge about cilia and cilia-associated signaling pathways in the regulation of body metabolism.

Citations

Citations to this article as recorded by  
  • MRAP2 regulates energy homeostasis by promoting primary cilia localization of MC4R
    Adelaide Bernard, Irene Ojeda Naharros, Xinyu Yue, Francois Mifsud, Abbey Blake, Florence Bourgain-Guglielmetti, Jordi Ciprin, Sumei Zhang, Erin McDaid, Kellan Kim, Maxence V. Nachury, Jeremy F. Reiter, Christian Vaisse
    JCI Insight.2023;[Epub]     CrossRef
  • A high‐confidence Physcomitrium patens plasmodesmata proteome by iterative scoring and validation reveals diversification of cell wall proteins during evolution
    Sven Gombos, Manuel Miras, Vicky Howe, Lin Xi, Mathieu Pottier, Neda S. Kazemein Jasemi, Moritz Schladt, J. Obinna Ejike, Ulla Neumann, Sebastian Hänsch, Franziska Kuttig, Zhaoxia Zhang, Marcel Dickmanns, Peng Xu, Thorsten Stefan, Wolfgang Baumeister, Wol
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  • Primary cilia shape hallmarks of health and aging
    Diana Filipa Silva, Cláudia Cavadas
    Trends in Molecular Medicine.2023; 29(7): 567.     CrossRef
  • Therapeutic implications of sonic hedgehog pathway in metabolic disorders: Novel target for effective treatment
    Chahat Garg, Heena khan, Amarjot Kaur, Thakur Gurjeet Singh, Vivek Kumar Sharma, Sachin Kumar Singh
    Pharmacological Research.2022; 179: 106194.     CrossRef
  • Mechanisms of Weight Control by Primary Cilia
    Chan Hee Lee, Gil Myoung Kang, Min-Seon Kim
    Molecules and Cells.2022; 45(4): 169.     CrossRef
  • Cilia-localized GID/CTLH ubiquitin ligase complex regulates protein homeostasis of sonic hedgehog signaling components
    Friederike Hantel, Huaize Liu, Lisa Fechtner, Herbert Neuhaus, Jie Ding, Danilo Arlt, Peter Walentek, Pablo Villavicencio-Lorini, Christoph Gerhardt, Thomas Hollemann, Thorsten Pfirrmann
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  • IFT20 governs mesenchymal stem cell fate through positively regulating TGF-β-Smad2/3-Glut1 signaling mediated glucose metabolism
    Yang Li, Shuting Yang, Yang Liu, Ling Qin, Shuying Yang
    Redox Biology.2022; 54: 102373.     CrossRef
  • Primary Cilia in Pancreatic β- and α-Cells: Time to Revisit the Role of Insulin-Degrading Enzyme
    Marta Pablos, Elena Casanueva-Álvarez, Carlos M. González-Casimiro, Beatriz Merino, Germán Perdomo, Irene Cózar-Castellano
    Frontiers in Endocrinology.2022;[Epub]     CrossRef
  • Palmitic acid control of ciliogenesis modulates insulin signaling in hypothalamic neurons through an autophagy-dependent mechanism
    Yenniffer Ávalos, María Paz Hernández-Cáceres, Pablo Lagos, Daniela Pinto-Nuñez, Patricia Rivera, Paulina Burgos, Francisco Díaz-Castro, Michelle Joy-Immediato, Leslye Venegas-Zamora, Erik Lopez-Gallardo, Catalina Kretschmar, Ana Batista-Gonzalez, Flavia
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    Journal of Cell Science.2022;[Epub]     CrossRef
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    Frontiers in Cellular Neuroscience.2022;[Epub]     CrossRef
  • Proteomic and Transcriptomic Landscapes of Alström and Bardet–Biedl Syndromes
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  • Hypothalamic primary cilium: A hub for metabolic homeostasis
    Dong Joo Yang, Jessica Hong, Ki Woo Kim
    Experimental & Molecular Medicine.2021; 53(7): 1109.     CrossRef
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    Xin Sheng, Yan Sheng, Shuanglin Gao, Fang Fan, Junhua Wang
    Histochemistry and Cell Biology.2020; 154(6): 639.     CrossRef
  • Primary cilia mediate early life programming of adiposity through lysosomal regulation in the developing mouse hypothalamus
    Chan Hee Lee, Do Kyeong Song, Chae Beom Park, Jeewon Choi, Gil Myoung Kang, Sung Hoon Shin, Ijoo Kwon, Soyoung Park, Seongjun Kim, Ji Ye Kim, Hong Dugu, Jae Woo Park, Jong Han Choi, Se Hee Min, Jong-Woo Sohn, Min-Seon Kim
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  • Evidences of a Direct Relationship between Cellular Fuel Supply and Ciliogenesis Regulated by Hypoxic VDAC1-ΔC
    Monique Meyenberg Cunha-de Padua, Lucilla Fabbri, Maeva Dufies, Sandra Lacas-Gervais, Julie Contenti, Charles Voyton, Sofia Fazio, Marie Irondelle, Baharia Mograbi, Matthieu Rouleau, Nirvana Sadaghianloo, Amandine Rovini, Catherine Brenner, William J. Cra
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  • High-resolution characterization of centriole distal appendage morphology and dynamics by correlative STORM and electron microscopy
    Mathew Bowler, Dong Kong, Shufeng Sun, Rashmi Nanjundappa, Lauren Evans, Veronica Farmer, Andrew Holland, Moe R. Mahjoub, Haixin Sui, Jadranka Loncarek
    Nature Communications.2019;[Epub]     CrossRef
  • Sonic hedgehog signaling instigates high-fat diet–induced insulin resistance by targeting PPARγ stability
    Qinyu Yao, Jia Liu, Lei Xiao, Nanping Wang
    Journal of Biological Chemistry.2019; 294(9): 3284.     CrossRef
  • Cellular signalling by primary cilia in development, organ function and disease
    Zeinab Anvarian, Kirk Mykytyn, Saikat Mukhopadhyay, Lotte Bang Pedersen, Søren Tvorup Christensen
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  • O-GlcNAcylation Regulates Primary Ciliary Length by Promoting Microtubule Disassembly
    Jie L. Tian, Hongmin Qin
    iScience.2019; 12: 379.     CrossRef
  • Interplay Between Primary Cilia and Autophagy and Its Controversial Roles in Cancer
    Je Yeong Ko, Eun Ji Lee, Jong Hoon Park
    Biomolecules & Therapeutics.2019; 27(4): 337.     CrossRef
  • Neuronal and astrocytic primary cilia in the mature brain
    Ashley Sterpka, Xuanmao Chen
    Pharmacological Research.2018; 137: 114.     CrossRef
Original Articles
Clinical Care/Education
Increased Epicardial Adipose Tissue Thickness in Type 2 Diabetes Mellitus and Obesity
Do Kyeong Song, Young Sun Hong, Hyejin Lee, Jee-Young Oh, Yeon-Ah Sung, Yookyung Kim
Diabetes Metab J. 2015;39(5):405-413.   Published online October 22, 2015
DOI: https://doi.org/10.4093/dmj.2015.39.5.405
  • 3,642 View
  • 58 Download
  • 51 Web of Science
  • 49 Crossref
AbstractAbstract PDFPubReader   
Background

Epicardial adipose tissue (EAT) is suggested to play an important role in the progression of metabolic syndrome. We aimed to establish a simple method to measure EAT and examine the differences in EAT thickness according to the presence of type 2 diabetes mellitus or obesity.

Methods

A total of 94 patients (42.6% type 2 diabetes mellitus, 53.2% obese, mean age 61±13) who underwent multidetector computed tomography were enrolled. Thickness of EAT was measured on the parasternal short and horizontal long axis view. Epicardial fat area (EFA) was measured at the level of left main coronary artery (LMCA).

Results

All EAT thicknesses were correlated with EFA at the LMCA level (r=0.235 to 0.613, all Ps<0.05), and EAT thickness in the left atrioventricular groove (LAVG) had the highest correlation coefficient (r=0.613). EFA, and EAT thicknesses in the LAVG and the left ventricular apex were higher in the group with type 2 diabetes mellitus than in the group without type 2 diabetes mellitus when adjusted only for body mass index. When adjusted only for type 2 diabetes mellitus, EFA, and EAT thicknesses in the LAVG and the right atrioventricular groove were higher in obese group than in nonobese group.

Conclusion

In conclusion, EAT thickness can be easily measured and represent EFA. EAT thickness, especially in LAVG, was higher in groups with type 2 diabetes mellitus and obesity independently. These findings implicate that EAT thickness may be a useful indicator for type 2 diabetes mellitus and obesity.

Citations

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FTO Gene Variants Are Associated with PCOS Susceptibility and Hyperandrogenemia in Young Korean Women
Do Kyeong Song, Hyejin Lee, Jee-Young Oh, Young Sun Hong, Yeon-Ah Sung
Diabetes Metab J. 2014;38(4):302-310.   Published online August 20, 2014
DOI: https://doi.org/10.4093/dmj.2014.38.4.302
  • 3,823 View
  • 42 Download
  • 25 Web of Science
  • 24 Crossref
AbstractAbstract PDFPubReader   
Background

The fat mass and obesity-associated (FTO) gene is associated with obesity and type 2 diabetes mellitus. Obesity and insulin resistance are also common features of polycystic ovary syndrome (PCOS). Therefore, the FTO gene might be a candidate gene for PCOS susceptibility. The aim of the present study was to evaluate the effects of FTO gene variants on PCOS susceptibility and metabolic and reproductive hormonal parameters.

Methods

We recruited 432 women with PCOS (24±5 years) and 927 healthy women with regular menstrual cycles (27±5 years) and performed a case-control association study. We genotyped the single nucleotide polymorphisms rs1421085, rs17817449, and rs8050136 in the FTO gene and collected metabolic and hormonal measurements.

Results

Logistic regression revealed that the G/G genotype (rs1421085, 1.6%), the C/C genotype (rs17817449, 1.6%), and the A/A genotype (rs8050136, 1.6%) were strongly associated with an increased risk of PCOS (odds ratio, 2.551 to 2.559; all P<0.05). The strengths of these associations were attenuated after adjusting for age and BMI. The women with these genotypes were more obese and exhibited higher free androgen indices (P<0.05) and higher free testosterone levels (P=0.053 to 0.063) compared to the other genotypes. However the significant differences disappeared after adjusting for body mass index (BMI). When we analyzed the women with PCOS and the control groups separately, there were no significant differences in the metabolic and reproductive hormonal parameters according to the FTO gene variants.

Conclusion

The rs1421085, rs17817449, and rs8050136 variants of the FTO gene were associated with PCOS susceptibility and hyperandrogenemia in young Korean women. These associations may be mediated through an effect of BMI.

Citations

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