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Weijie Z, Meng Z, Chunxiao W, Lingjie M, Anguo Z, Yan Z, Xinran C, Yanjiao X, Li S. Obesity-induced chronic low-grade inflammation in adipose tissue: A pathway to Alzheimer's disease. Ageing Res Rev 2024; 99:102402. [PMID: 38977081 DOI: 10.1016/j.arr.2024.102402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 06/19/2024] [Accepted: 06/30/2024] [Indexed: 07/10/2024]
Abstract
Alzheimer's disease (AD) is a leading cause of cognitive impairment worldwide. Overweight and obesity are strongly associated with comorbidities, such as hypertension, diabetes, and insulin resistance (IR), which contribute substantially to the development of AD and subsequent morbidity and mortality. Adipose tissue (AT) is a highly dynamic organ composed of a diverse array of cell types, which can be classified based on their anatomic localization or cellular composition. The expansion and remodeling of AT in the context of obesity involves immunometabolic and functional shifts steered by the intertwined actions of multiple immune cells and cytokine signaling within AT, which contribute to the development of metabolic disorders, IR, and systemic markers of chronic low-grade inflammation. Chronic low-grade inflammation, a prolonged, low-dose stimulation by specific immunogens that can progress from localized sites and affect multiple organs throughout the body, leads to neurodystrophy, increased apoptosis, and disruption of homeostasis, manifesting as brain atrophy and AD-related pathology. In this review, we sought to elucidate the mechanisms by which AT contributes to the onset and progression of AD in obesity through the mediation of chronic low-grade inflammation, particularly focusing on the roles of adipokines and AT-resident immune cells.
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Affiliation(s)
- Zhai Weijie
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Jilin University, Changchun, China; Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Zhao Meng
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Jilin University, Changchun, China; Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Wei Chunxiao
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Jilin University, Changchun, China; Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Meng Lingjie
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Jilin University, Changchun, China; Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Zhao Anguo
- Department of Urology, Dushu Lake Hospital Affiliated to Soochow University, Medical Center of Soochow University, Suzhou Dushu Lake Hospital, Suzhou 215000 China
| | - Zhang Yan
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Jilin University, Changchun, China; Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Cui Xinran
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Jilin University, Changchun, China; Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Xu Yanjiao
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Jilin University, Changchun, China; Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China
| | - Sun Li
- Department of Neurology and Neuroscience Center, The First Hospital of Jilin University, Jilin University, Changchun, China; Cognitive Center, Department of Neurology, The First Hospital of Jilin University, Jilin University, Changchun, China.
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Yang D, Ko E, Lim H, Lee H, Kim K, Choi M, Shin S. Persistent Organic Pollutants released from decomposed adipose tissue affect mitochondrial enzyme function in the brain and eyes other than the liver. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:10648-10660. [PMID: 38198094 DOI: 10.1007/s11356-024-31904-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 01/03/2024] [Indexed: 01/11/2024]
Abstract
Persistent organic pollutants (POPs) are toxic chemicals that can accumulate in the human body, and particularly in adipose tissue. POPs can induce metabolic diseases via mitochondrial dysfunction and can also cause cancer, obesity, and cardiovascular and neurodegenerative diseases. Although the effects of POPs were studied by evaluating mitochondrial function, which is fundamental in investigating the etiologies of various metabolic diseases, the physiological impact of POPs released by the decomposition of fat in adipose tissue is barely understood. Therefore, to investigate the mitochondrial dysfunction caused by POPs released from adipose tissue to other organs, zebrafish were exposed to POPs and placed into four groups: control (C), obesity control (OC), obesity control with POPs (OP), and POP exposure with obesity and caloric restriction (OPR). Next, the activities of the mitochondrial respiratory complexes and the levels of ATP production, reactive oxygen species/reactive nitrogen species (ROS/RNS), and antioxidants, such as glutathione and superoxide dismutase, were measured in the brain, eyes, and liver, as these are the major organs most susceptible to metabolic diseases. POPs released from adipose tissue showed a stronger effect than the direct effects of obesity and POPs on mitochondrial enzyme activity in the brain and eye. Released POPs increased mitochondrial complex I activity and decreased mitochondrial complex II activity compared with normal, obesity, and POP-treated conditions in the brain and eyes. However, the mitochondrial complexes' activities in the liver were affected more by obesity and POPs. In the liver, the mitochondrial enzyme activities of the OPR group seemed to recover to the control level, but it was slightly lowered in the OC and OP groups. Independently, the ROS/RNS and antioxidant levels were not affected by obesity, POPs, or the released POPs in the brain, eye, and liver. The results indicate that POPs stored in adipose tissue and released during fat decomposition did not affect oxidative stress but could affect mitochondrial respiratory enzymes in organ dependent manner. This study is meaningful in that it provides experimental evidence that stored POPs affect specific organs for prolonged periods and can be linked to various diseases in advance.
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Affiliation(s)
- Dongshin Yang
- Department of Biotechnology and Bioengineering, College of Engineering, Chonnam National University, 77 Yongbong-Ro, Buk-Gu, Gwangju, 61186, Republic of Korea
| | - Eun Ko
- Interdisciplinary Program of Bioenergy and Biomaterials Graduate School, College of Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea
- Division of Blood and Marrow Transplantation, Department of Pediatrics, Masonic Cancer Center, University of Minnesota, Minneapolis, MN, USA
| | - Hwayeon Lim
- Department of Biotechnology and Bioengineering, College of Engineering, Chonnam National University, 77 Yongbong-Ro, Buk-Gu, Gwangju, 61186, Republic of Korea
| | - Hyojin Lee
- Department of Environmental Energy Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
| | - Kitae Kim
- Department of Environmental Energy Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
| | - Moonsung Choi
- Department of Optometry, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea
| | - Sooim Shin
- Department of Biotechnology and Bioengineering, College of Engineering, Chonnam National University, 77 Yongbong-Ro, Buk-Gu, Gwangju, 61186, Republic of Korea.
- Interdisciplinary Program of Bioenergy and Biomaterials Graduate School, College of Engineering, Chonnam National University, Gwangju, 61186, Republic of Korea.
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Shi J, Wei D, Ma C, Geng J, Zhao M, Hou J, Huo W, Jing T, Wang C, Mao Z. Combined effects of organochlorine pesticides on type 2 diabetes mellitus: Insights from endocrine disrupting effects of hormones. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 341:122867. [PMID: 37944891 DOI: 10.1016/j.envpol.2023.122867] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/12/2023] [Accepted: 11/02/2023] [Indexed: 11/12/2023]
Abstract
Association between organochlorine pesticides (OCPs) exposure and type 2 diabetes mellitus (T2DM) remains contradictory, and the evidence is mostly focused on a single exposure. Here, we assessed the associations between individual and combined OCPs exposure and T2DM, and explored the underlying mechanism of sex hormones and the methylation levels of sex hormone receptors in above associations. A case-control study with 1812 participants was performed. Gas chromatography mass spectrometry, liquid chromatography-tandem mass spectrometry, and pyrosequencing were used to measure plasma OCPs, serum sex hormones, and whole blood methylation levels of sex hormone receptors, respectively. Generalized linear models were used to analyze the relationships between OCPs, sex hormones, the methylation levels of sex hormone receptors, and T2DM. Quantile based g-computation (QGC) and Bayesian Kernel Machine Regression (BKMR) were employed to assess the combined OCPs exposure. The roles of sex hormones and the methylation levels of their receptors were evaluated by moderating mediation models. After adjusting for covariates, each unit (2.718 ng/ml) increase in p,p'-DDE was associated with a higher risk of T2DM in males (odds ratio (OR) and 95% confidence interval (CI): 1.066 (1.023, 1.112)). QGC and BKMR showed a positive combined effect in the associations of OCPs mixtures on T2DM among premenopausal females, and positive effects but not statistically significant among males and postmenopausal females. p,p'-DDE was the largest contributor for the positive associations. Furthermore, testosterone mediated 21.149% of the associations of p,p'-DDE with T2DM moderated by the androgen receptor methylation (ARm) located in CpG island 1. Individual and mixtures of OCPs exposure were positively linked to elevated risk of T2DM. Testosterone and ARm may participate in the related processes of OCPs with T2DM, providing new insights into the adverse endocrine effects caused by OCPs and specific pathways for the etiology and control of diabetes.
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Affiliation(s)
- Jiayu Shi
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Dandan Wei
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Cuicui Ma
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Jintian Geng
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Mengzhen Zhao
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Jian Hou
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Wenqian Huo
- Department of Occupational and Environmental Health Sciences, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Tao Jing
- School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, PR China
| | - Chongjian Wang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China
| | - Zhenxing Mao
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, PR China.
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Lam G, Noirez P, Djemai H, Youssef L, Blanc E, Audouze K, Kim MJ, Coumoul X, Li SFY. The effects of pollutant mixture released from grafted adipose tissues on fatty acid and lipid metabolism in the skeletal muscles, kidney, heart, and lungs of male mice. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122387. [PMID: 37591324 DOI: 10.1016/j.envpol.2023.122387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Revised: 08/08/2023] [Accepted: 08/14/2023] [Indexed: 08/19/2023]
Abstract
Persistent organic pollutants (POPs) accumulated in the adipose tissue can affect the fatty acid and lipid metabolism in the body. Gas chromatography-mass spectrometry (GC-MS) metabolomics analysis was carried out to study the metabolic changes induced by internal exposure to the POPs in mouse skeletal muscle (soleus, plantaris, and gastrocnemius), kidney, heart, and lungs. Male donor mice were injected with a mixture of 10 POPs at concentrations of 0 × and 5 × lowest-observed-adverse-effect level (LOAEL). Their adipose tissue (AT) containing the POP was then grafted onto the host mice and the metabolic change of the host mice was monitored for 3 or 21 days. The metabolites related to fatty acid and lipid metabolism were studied. For the host mice engrafted with POP-containing fat pad, there was dysregulation of the fatty acids and glycerides observed in all the organs studied 3 days after the graft. However, there was no longer a significant change in the metabolites 21 days after the graft. The difference in significant values and metabolite regulation in each of the skeletal muscles showed that the POP mixture affects different types of skeletal muscle in a heterogeneous manner. Fold change analysis showed that certain metabolites in the kidney of host mice exposed to POPs for 3 days were greatly affected. Using multivariate analysis, apart from the plantaris, most treated groups exposed to POPs for 3 days are well distinguished from the control groups. However, for host mice exposed to POPs for 21 days, apart from the kidney and heart, groups are not well-distinguished from the control group. This study helps bring new insight into the effects of the pollutants mixture released from AT on fatty acid and lipid metabolism at different periods and how the dysregulation of metabolites might result in diseases associated with the organs.
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Affiliation(s)
- Gideon Lam
- Department of Chemistry, National University of Singapore, 117543, Singapore
| | - Phillipe Noirez
- Université Paris Cité, 45 Rue des Saints-Pères, 75006, Paris, France; UMR-S1124, Institut National de La Santé et de La Recherché Médicale (Inserm), T3S, Toxicologie Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs, Paris, France; PSMS, Performance Santé Métrologie Société, Université de Reims Champagne-Ardenne, Reims, France
| | - Haidar Djemai
- Université Paris Cité, 45 Rue des Saints-Pères, 75006, Paris, France; UMR-S1124, Institut National de La Santé et de La Recherché Médicale (Inserm), T3S, Toxicologie Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs, Paris, France
| | - Layale Youssef
- Université Paris Cité, 45 Rue des Saints-Pères, 75006, Paris, France; UMR-S1124, Institut National de La Santé et de La Recherché Médicale (Inserm), T3S, Toxicologie Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs, Paris, France
| | - Etienne Blanc
- Université Paris Cité, 45 Rue des Saints-Pères, 75006, Paris, France; UMR-S1124, Institut National de La Santé et de La Recherché Médicale (Inserm), T3S, Toxicologie Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs, Paris, France
| | - Karine Audouze
- Université Paris Cité, 45 Rue des Saints-Pères, 75006, Paris, France; UMR-S1124, Institut National de La Santé et de La Recherché Médicale (Inserm), T3S, Toxicologie Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs, Paris, France
| | - Min Ji Kim
- UMR-S1124, Institut National de La Santé et de La Recherché Médicale (Inserm), T3S, Toxicologie Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs, Paris, France; Université Sorbonne Paris Nord, Bobigny, France
| | - Xavier Coumoul
- Université Paris Cité, 45 Rue des Saints-Pères, 75006, Paris, France; UMR-S1124, Institut National de La Santé et de La Recherché Médicale (Inserm), T3S, Toxicologie Environnementale, Cibles Thérapeutiques, Signalisation Cellulaire et Biomarqueurs, Paris, France
| | - Sam Fong Yau Li
- Department of Chemistry, National University of Singapore, 117543, Singapore.
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Lee H, Gao Y, Kim JK, Shin S, Choi M, Hwang Y, Lee S, Rhyu DY, Kim KT. Synergetic effects of concurrent chronic exposure to a mixture of OCPs and high-fat diets on type 2 diabetes and beneficial effects of caloric restriction in female zebrafish. JOURNAL OF HAZARDOUS MATERIALS 2023; 446:130659. [PMID: 36587596 DOI: 10.1016/j.jhazmat.2022.130659] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 12/20/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
This study aimed to investigate the relationship among chronic exposure to a low concentration of organochlorine pesticides (OCPs), high-fat diet (HFD)-induced obesity, and caloric restriction in type 2 diabetes (T2D). Thus, female zebrafish were divided into four groups and treated for 12 weeks as follows: (i) negative control, (ii) HFD (obesity) control, (iii) obesity + a mixture of OCPs (OP), and (iv) obesity + a mixture of OCPs + caloric restriction (OPR). We then assessed T2D-related effects via hematological analysis, histopathology, mitochondrial evaluation, and multiomics analyses. The OP group showed a significant increase in glucose levels, whereas the OPR group maintained glucose at nonsignificant levels. Multiomics analyses revealed that the exacerbated metabolic effects in the OP group were associated with molecular alterations in oxidative stress, inflammation, nucleotide metabolism, and glucose/lipid homeostasis. These alterations were histologically verified by the increased numbers of hypertrophic adipocytes and inflammatory cells observed. Caloric restriction activated pathways related to antioxidant response, mitochondrial fatty acid oxidation, and energy metabolism in zebrafish, leading to preserved glucose homeostasis. In conclusion, this study identified molecular mechanisms underlying the synergistic effect of concurrent exposure to a mixture of OCPs and HFD as well as shed light on the beneficial effect of regular caloric restriction in T2D development.
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Affiliation(s)
- Hyojin Lee
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Yan Gao
- BK21 Plus KNU Multi-Omics Based Creative Drug Research Team, College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Republic of Korea; Department of Core Analytical Service, Wuxi AppTec, Shanghai 200131, China
| | - Jae Kwan Kim
- Korea Basic Science Institute, Seoul 02841, Republic of Korea
| | - Sooim Shin
- Department of Biotechnology and Bioengineering, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Moonsung Choi
- Department of Optometry, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea
| | - Youngja Hwang
- Metabolomics Laboratory, College of Pharmacy, Korea University, Sejong City 30019, Republic of Korea
| | - Sangkyu Lee
- BK21 Plus KNU Multi-Omics Based Creative Drug Research Team, College of Pharmacy, Research Institute of Pharmaceutical Sciences, Kyungpook National University, Daegu 41566, Republic of Korea; Mass Spectrometry Based Convergence Research Institute, Kyungpook National University, Daegu 41566, Republic of Korea
| | - Dong Young Rhyu
- Department of Biomedicine, Health & Life Convergence Sciences, BK21 FOUR, Mokpo National University, Jeonnam 58554, Republic of Korea
| | - Ki-Tae Kim
- Department of Environmental Engineering, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea.
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Kang K, Lee HW, Lee DH. Plasma exchange: An effective method to eliminate neurotoxic lipophilic chemicals from blood. Alzheimers Dement 2022; 18:2730-2731. [PMID: 35933710 PMCID: PMC10087461 DOI: 10.1002/alz.12739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 04/06/2022] [Indexed: 01/31/2023]
Affiliation(s)
- Kyunghun Kang
- Department of Neurology, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
| | - Ho-Won Lee
- Department of Neurology, School of Medicine, Kyungpook National University, Daegu, Republic of Korea.,Brain Science & Engineering Institute, Kyungpook National University, Daegu, Republic of Korea
| | - Duk-Hee Lee
- Department of Preventive Medicine, School of Medicine, Kyungpook National University, Daegu, Republic of Korea
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Lee DH. Comment on: Obesity is Associated with Improved Postoperative Overall Survival, Independent of Skeletal Muscle Mass in Lung Adenocarcinoma by Lee et al. J Cachexia Sarcopenia Muscle 2022; 13:2576-2578. [PMID: 35965371 PMCID: PMC9530545 DOI: 10.1002/jcsm.13060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Affiliation(s)
- Duk-Hee Lee
- Department of Preventive Medicine, School of Medicine, Kyungpook National University, Daegu, South Korea
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