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Sandoval-Bórquez A, Carrión P, Hernández MP, Pérez JA, Tapia-Castillo A, Vecchiola A, Fardella CE, Carvajal CA. Adipose Tissue Dysfunction and the Role of Adipocyte-Derived Extracellular Vesicles in Obesity and Metabolic Syndrome. J Endocr Soc 2024; 8:bvae126. [PMID: 38988671 PMCID: PMC11234198 DOI: 10.1210/jendso/bvae126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Indexed: 07/12/2024] Open
Abstract
Obesity is a major public health issue that is associated with metabolic diseases including diabetes mellitus type 2 and metabolic syndrome. This pathology leads to detrimental cardiovascular health and secondary effects, such as lipotoxicity, inflammation, and oxidative stress. Recently, extracellular vesicles (EVs) have been highlighted as novel players participating in human physiology and pathophysiology. In obesity, adipose tissue is related to the active shedding of adipocyte-derived extracellular vesicles (AdEVs). The current review explores and highlights the role of AdEVs and their cargo in obesity and metabolic syndrome. AdEVs are proposed to play an important role in obesity and its comorbidities. AdEVs are biological nanoparticles mainly shed by visceral and subcutaneous adipose tissue, acting in physiological and pathophysiological conditions, and also carrying different cargo biomolecules, such as RNA, microRNA (miRNA), proteins, and lipids, among others. RNA and miRNA have local and systemic effects affecting gene expression in target cell types via paracrine and endocrine actions. State of the art analyses identified some miRNAs, such as miR-222, miR-23b, miR-4429, miR-148b, and miR-4269, that could potentially affect cell pathways involved in obesity-related comorbidities, such as chronic inflammation and fibrosis. Similarly, AdEVs-proteins (RBP4, perilipin-A, FABP, mimecan, TGFBI) and AdEVs-lipids (sphingolipids) have been linked to the obesity pathophysiology. The current knowledge about AdEVs along with further research would support and reveal novel pathways, potential biomarkers, and therapeutic options in obesity.
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Affiliation(s)
- Alejandra Sandoval-Bórquez
- School of Medical Technology, Faculty of Science, Pontificia Universidad Católica de Valparaiso, Valparaiso 2373223, Chile
| | - Pablo Carrión
- Center for Translational Research in Endocrinology (CETREN-UC), Pontificia Universidad Católica de Chile, Santiago 8330074, Chile
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330077, Chile
| | - María Paz Hernández
- Center for Translational Research in Endocrinology (CETREN-UC), Pontificia Universidad Católica de Chile, Santiago 8330074, Chile
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330077, Chile
| | - Jorge A Pérez
- Center for Translational Research in Endocrinology (CETREN-UC), Pontificia Universidad Católica de Chile, Santiago 8330074, Chile
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330077, Chile
| | - Alejandra Tapia-Castillo
- Center for Translational Research in Endocrinology (CETREN-UC), Pontificia Universidad Católica de Chile, Santiago 8330074, Chile
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330077, Chile
| | - Andrea Vecchiola
- Center for Translational Research in Endocrinology (CETREN-UC), Pontificia Universidad Católica de Chile, Santiago 8330074, Chile
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330077, Chile
| | - Carlos E Fardella
- Center for Translational Research in Endocrinology (CETREN-UC), Pontificia Universidad Católica de Chile, Santiago 8330074, Chile
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330077, Chile
| | - Cristian A Carvajal
- Center for Translational Research in Endocrinology (CETREN-UC), Pontificia Universidad Católica de Chile, Santiago 8330074, Chile
- Department of Endocrinology, School of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330077, Chile
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Wen X, Chang X, He X, Cai Q, Wang G, Liu J. Increased Thyroid DPP4 Expression Is Associated With Inflammatory Process in Patients With Hashimoto Thyroiditis. J Clin Endocrinol Metab 2024; 109:1517-1525. [PMID: 38127960 PMCID: PMC11099486 DOI: 10.1210/clinem/dgad723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Revised: 11/10/2023] [Accepted: 12/07/2023] [Indexed: 12/23/2023]
Abstract
CONTEXT Dipeptidyl peptidase-4 (DPP4) is originally described as a surface protein in lymphocytes. Lymphocyte infiltration and subsequent destruction of thyroid tissue have been considered as the central pathological mechanism in Hashimoto thyroiditis (HT). OBJECTIVE The present study aimed to investigate DPP4 expression in peripheral blood and thyroid tissue in HT patients, and explore the role of DPP4 in the pathophysiological process of HT. METHODS This case-control study recruited 40 drug-naive HT patients and 81 control individuals. Peripheral blood and thyroid specimens were collected for assessing the expression and activity of DPP4. Moreover, single-cell RNA sequencing (scRNA-seq) analysis of 6 "para-tumor tissues" samples from scRNA-seq data set GSE184362 and in vitro cell experiments were also conducted. RESULTS The HT patients had similar DPP4 serum concentration and activity as the controls. However, the expression and activity of DPP4 was significantly increased in the thyroid of the HT group than in the control group. The scRNA-seq analysis showed that DPP4 expression was significantly increased in the HT group, and mainly expressed in T cells. Further in vitro studies showed that inhibition of lymphocyte DPP4 activity with sitagliptin downregulated the production of inflammatory factors in co-cultured thyroid cells. CONCLUSION DPP4 expression was significantly increased in the thyroid of the HT group compared with the control group, and was mainly localized in the lymphocytes. Inhibition of lymphocyte DPP4 activity reduced the production of inflammatory factors in co-cultured thyroid cells. Therefore, inhibition of DPP4 may have a beneficial effect by alleviating inflammatory reactions in HT patients.
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Affiliation(s)
- Xiaohui Wen
- Department of Otolaryngology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Xiaona Chang
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Xueqing He
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Qingyun Cai
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Guang Wang
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
| | - Jia Liu
- Department of Endocrinology, Beijing Chao-Yang Hospital, Capital Medical University, Beijing 100020, China
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Janota B, Adamek B, Szczepańska E, Biernacki K, Janczewska E. Lifestyle and Quality of Life of Women Diagnosed with Hypothyroidism in the Context of Non-Alcoholic Fatty Liver. Metabolites 2023; 13:1174. [PMID: 38132856 PMCID: PMC10745337 DOI: 10.3390/metabo13121174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2023] [Revised: 11/23/2023] [Accepted: 11/24/2023] [Indexed: 12/23/2023] Open
Abstract
Interconnections between hypothyroidism and metabolic disturbances manifesting in the liver and body composition have not yet been comprehensively analyzed in the context of lifestyle. This study aimed to assess the selected lifestyle factors and quality of life in the context of the development of NAFL (non-alcoholic fatty liver) in women diagnosed with hypothyroidism. This study included 134 women categorized into three groups: with hypothyroidism and NAFL, with only hypothyroidism, and with only NAFL. We compared the groups concerning the KomPAN and WHOQOL-BREF questionnaires, anthropometric measurements, body composition parameters, and the stage of liver steatosis. The individuals with NAFL most frequently consumed lard, fried dishes, processed meats, red meat, sweets, and sweetened beverages. The individuals with hypothyroidism without coexisting NAFL exhibited the highest satisfaction with health. The NAFL group had the highest average body fat percentage. Selected lifestyle aspects influenced the development of NAFL in women diagnosed with hypothyroidism. Women's overall quality of life did not vary depending on the coexisting medical conditions. Preventive programs should promote the following: the regular consumption of meals, the appropriate energy supply, physical activity, mental health support, and striving for proper body composition parameters.
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Affiliation(s)
- Barbara Janota
- Department of Basic Medical Sciences, Faculty of Public Health in Bytom, Medical University of Silesia in Katowice, 41-902 Bytom, Poland
| | - Brygida Adamek
- Department of Basic Medical Sciences, Faculty of Public Health in Bytom, Medical University of Silesia in Katowice, 41-902 Bytom, Poland
| | - Elżbieta Szczepańska
- Department of Human Nutrition, Department of Dietetics, Faculty of Public Health in Bytom, Medical University of Silesia in Katowice, 41-808 Zabrze, Poland
| | - Krzysztof Biernacki
- Department of Medical and Molecular Biology, Faculty of Medical Sciences in Zabrze, Medical University of Silesia in Katowice, Jordana 19, 41-808 Zabrze, Poland
| | - Ewa Janczewska
- Department of Basic Medical Sciences, Faculty of Public Health in Bytom, Medical University of Silesia in Katowice, 41-902 Bytom, Poland
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