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Wang H, Zhou L, Zheng Q, Song Y, Huang W, Yang L, Xiong Y, Cai Z, Chen Y, Yuan J. Kai-xin-san improves cognitive impairment in D-gal and Aβ 25-35 induced ad rats by regulating gut microbiota and reducing neuronal damage. JOURNAL OF ETHNOPHARMACOLOGY 2024; 329:118161. [PMID: 38599474 DOI: 10.1016/j.jep.2024.118161] [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: 12/14/2023] [Revised: 04/03/2024] [Accepted: 04/05/2024] [Indexed: 04/12/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Kai-Xin-San (KXS) is a classic herbal formula for the treatment and prevention of AD (Alzheimer's disease) with definite curative effect, but its mechanism, which involves multiple components, pathways, and targets, is not yet fully understood. AIM OF THE STUDY To verify the effect of KXS on gut microbiota and explore its anti-AD mechanism related with gut microbiota. MATERIALS AND METHODS AD rat model was established and evaluated by intraperitoneal injection of D-gal and bilateral hippocampal CA1 injections of Aβ25-35. The pharmacodynamics of KXS in vivo includes general behavior, Morris water maze test, ELISA, Nissl & HE staining and immunofluorescence. Systematic analysis of gut microbiota was conducted using 16S rRNA gene sequencing technology. The potential role of gut microbiota in the anti-AD effect of KXS was validated with fecal microbiota transplantation (FMT) experiments. RESULTS KXS could significantly improve cognitive impairment, reduce neuronal damage and attenuate neuroinflammation and colonic inflammation in vivo in AD model rats. Nine differential intestinal bacteria associated with AD were screened, in which four bacteria (Lactobacillus murinus, Ligilactobacillus, Alloprevotella, Prevotellaceae_NK3B31_group) were very significant. CONCLUSION KXS can maintain the ecological balance of intestinal microbiota and exert its anti-AD effect by regulating the composition and proportion of gut microbiota in AD rats through the microbiota-gut-brain axis.
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Affiliation(s)
- Huijuan Wang
- Key Lab of Modern Preparations of Traditional Chinese Medicine, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Lifen Zhou
- Key Lab of Modern Preparations of Traditional Chinese Medicine, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Qin Zheng
- Key Lab of Modern Preparations of Traditional Chinese Medicine, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Yonggui Song
- Laboratory Animal Science and Technology Development Center, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Weihua Huang
- Department of Clinical Pharmacology, Xiangya Hospital, Institute of Clinical Pharmacology, Hunan Key Laboratory of Pharmacogenetics, and National Clinical Research Center for Geriatric Disorders, Central South University, Changsha, 410008, China
| | - Lin Yang
- Key Lab of Modern Preparations of Traditional Chinese Medicine, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Yongchang Xiong
- Key Lab of Modern Preparations of Traditional Chinese Medicine, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Zhinan Cai
- Key Lab of Modern Preparations of Traditional Chinese Medicine, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Ying Chen
- Key Lab of Modern Preparations of Traditional Chinese Medicine, Jiangxi University of Chinese Medicine, Nanchang, 330004, China
| | - Jinbin Yuan
- Key Lab of Modern Preparations of Traditional Chinese Medicine, Jiangxi University of Chinese Medicine, Nanchang, 330004, China.
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Ying C, Hua Z, Ma F, Yang Y, Wang Y, Liu K, Yin G. Hepatic immune response of Coilia nasus infected with Anisakidae during ovarian development. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2024; 52:101261. [PMID: 38897035 DOI: 10.1016/j.cbd.2024.101261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 05/29/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024]
Abstract
Anisakidae parasitism is a prevalent disease in wild populations of Coilia nasus, and can result in a significant loss of germplasm resources. To elucidate the immune response mechanism of C. nasus livers to Anisakidae infection, we collected and analysed 18 parasitic and 18 non-parasitic livers at gonadal developmental stages II, III, and V using histopathology, molecular biology and transcriptome methods. The hepatic portal area of the parasitic group exhibited an increase in the fibrous stroma and thickened hepatic arteries with positive Ly-6G staining, indicating inflammation and immune responses in the liver. Hepatocyte cytokine levels and the expression of liver function-related genes indicated that fish livers responded similarly to Anisakidae parasitism across different gonadal developmental stages. Oxidative stress indices showed more intense changes in stage II samples, whereas gene expression levels of Nrf2 and C3 were significantly increased in parasitised livers during stage III and V. Liver transcriptome sequencing identified 2575 differentially expressed genes between the parasitic and non-parasitic groups at the three gonadal developmental stages. KEGG pathway analysis showed that natural killer cell-mediated cytotoxicity, the NOD-like receptor signaling pathway, neutrophil extracellular trap formation, and other immune pathways were significantly enriched. Expression patterns varied across developmental stages, suggesting that innate immunity was primarily responsible for the liver immune response to Anisakidae infection during C. nasus migration, possibly related to water temperature changes or shifts in the gonadal developmental stage. In summary, this study investigated the immune response of C. nasus to Anisakidae parasitism under natural conditions, focusing on reproductive aspects and environmental changes, thereby establishing a foundation for elucidating the molecular mechanisms underlying the immune response of Anisakidae in C. nasus.
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Affiliation(s)
- Congping Ying
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Zhong Hua
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Fengjiao Ma
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Yanping Yang
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Yinping Wang
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Kai Liu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China.
| | - Guojun Yin
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, China; Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China.
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Hoang TX, Kim JY. Regulatory macrophages in solid organ xenotransplantation. KOREAN JOURNAL OF TRANSPLANTATION 2023; 37:229-240. [PMID: 38115165 PMCID: PMC10772277 DOI: 10.4285/kjt.23.0055] [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: 09/25/2023] [Revised: 11/10/2023] [Accepted: 11/24/2023] [Indexed: 12/21/2023] Open
Abstract
Due to a critical organ shortage, pig organs are being explored for use in transplantation. Differences between species, particularly in cell surface glycans, can trigger elevated immune responses in xenotransplantation. To mitigate the risk of hyperacute rejection, genetically modified pigs have been developed that lack certain glycans and express human complement inhibitors. Nevertheless, organs from these pigs may still provoke stronger inflammatory and innate immune reactions than allotransplants. Dysregulation of coagulation and persistent inflammation remain obstacles in the transplantation of pig organs into primates. Regulatory macrophages (Mregs), known for their anti-inflammatory properties, could offer a potential solution. Mregs secrete interleukin 10 and transforming growth factor beta, thereby suppressing immune responses and promoting the development of regulatory T cells. These Mregs are typically induced via the stimulation of monocytes or macrophages with macrophage colony-stimulating factor and interferon gamma, and they conspicuously express the stable marker dehydrogenase/reductase 9. Consequently, understanding the precise mechanisms governing Mreg generation, stability, and immunomodulation could pave the way for the therapeutic use of Mregs generated in vitro. This approach has the potential to reduce the required dosages and durations of anti-inflammatory and immunosuppressive medications in preclinical and clinical settings.
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Affiliation(s)
- Thi Xoan Hoang
- Department of Life Science, Gachon University, Seongnam, Korea
| | - Jae Young Kim
- Department of Life Science, Gachon University, Seongnam, Korea
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Yan S, Gao Z, Ding J, Chen S, Wang Z, Jin W, Qu B, Zhang Y, Yang L, Guo D, Yin T, Yang Y, Zhang Y, Yang J. Nanocomposites based on nanoceria regulate the immune microenvironment for the treatment of polycystic ovary syndrome. J Nanobiotechnology 2023; 21:412. [PMID: 37936120 PMCID: PMC10631133 DOI: 10.1186/s12951-023-02182-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 10/26/2023] [Indexed: 11/09/2023] Open
Abstract
The immune system is closely associated with the pathogenesis of polycystic ovary syndrome (PCOS). Macrophages are one of the important immune cell types in the ovarian proinflammatory microenvironment, and ameliorate the inflammatory status mainly through M2 phenotype polarization during PCOS. Current therapeutic approaches lack efficacy and immunomodulatory capacity, and a new therapeutic method is needed to prevent inflammation and alleviate PCOS. Here, octahedral nanoceria nanoparticles with powerful antioxidative ability were bonded to the anti-inflammatory drug resveratrol (CeO2@RSV), which demonstrates a crucial strategy that involves anti-inflammatory and antioxidative efficacy, thereby facilitating the proliferation of granulosa cells during PCOS. Notably, our nanoparticles were demonstrated to possess potent therapeutic efficacy via anti-inflammatory activities and effectively alleviated endocrine dysfunction, inflammation and ovarian injury in a dehydroepiandrosterone (DHEA)-induced PCOS mouse model. Collectively, this study revealed the tremendous potential of the newly developed nanoparticles in ameliorating the proinflammatory microenvironment and promoting the function of granulosa cells, representing the first attempt to treat PCOS by using CeO2@RSV nanoparticles and providing new insights in combating clinical PCOS.
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Affiliation(s)
- Sisi Yan
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, 430060, China
| | - Zhipeng Gao
- Key Laboratory of Biomedical Polymers of Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, People's Republic of China
| | - Jinli Ding
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, 430060, China
| | - Suming Chen
- The Institute for Advanced Studies, Wuhan University, Wuhan, China
| | - Zehao Wang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, 430060, China
| | - Wenyi Jin
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, 430060, China
| | - Bing Qu
- Department of General Surgery, Renmin Hospital of Wuhan University, Wuhan, China
| | - Yi Zhang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, 430060, China
| | - Lian Yang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, 430060, China
| | - Duanying Guo
- Longgang District People's Hospital of Shenzhen, Shenzhen, China.
| | - Tailang Yin
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, 430060, China.
| | - Yanbing Yang
- Key Laboratory of Biomedical Polymers of Ministry of Education, College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, People's Republic of China.
| | - Yan Zhang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Jing Yang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, Wuhan, 430060, China.
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Yan S, Ding J, Wang Z, Zhang F, Li J, Zhang Y, Wu S, Yang L, Pang X, Zhang Y, Yang J. CTRP6 regulates M1 macrophage polarization via the PPAR-γ/NF-κB pathway and reprogramming glycolysis in recurrent spontaneous abortion. Int Immunopharmacol 2023; 124:110840. [PMID: 37696144 DOI: 10.1016/j.intimp.2023.110840] [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: 03/22/2023] [Revised: 08/18/2023] [Accepted: 08/19/2023] [Indexed: 09/13/2023]
Abstract
Aberrant polarization and functions of decidual macrophages are closely related to recurrent spontaneous abortion (RSA). C1q/tumor necrosis factor-related protein 6 (CTRP6) is a member of the adiponectin paralog family, and plays indispensable roles in inflammation, glucose uptake and tumor metastasis. However, the regulatory effect of CTRP6 on macrophage polarization and glycolysis in RSA and the underlying mechanisms have not been fully elucidated. In the present study, we first found that CTRP6 expression was positively correlated with the M1 macrophage marker (CD86) in decidual tissues by dual immunofluorescence analysis. In vitro experiments indicated that CTRP6 could facilitate M1 macrophage activation through the PPAR-γ/NF-κB pathway and manipulate the glycolysis of macrophages. Notably, in addition to silencing CTRP6, treatment with a PPAR-γ agonist (GW1929) inhibited M1 macrophage polarization and rescued embryo absorption in vivo. Taken together, these results identify previously unrevealed functions of CTRP6 in macrophage transformation during RSA.
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Affiliation(s)
- Sisi Yan
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, China
| | - Jinli Ding
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, China
| | - Zehao Wang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, China
| | - Feng Zhang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, China
| | - Jianan Li
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, China
| | - Yi Zhang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, China
| | - Shujuan Wu
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, China
| | - Lian Yang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, China
| | - Xiangli Pang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, China
| | - Yan Zhang
- Department of Clinical Laboratory, Renmin Hospital of Wuhan University, WuHan, HuBei, China.
| | - Jing Yang
- Reproductive Medical Center, Renmin Hospital of Wuhan University and Hubei Clinic Research Center for Assisted Reproductive Technology and Embryonic Development, China.
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Chen Z, Vaeth M, Eckstein M, Delgobo M, Ramos G, Frantz S, Hofmann U, Gladow N. Characterization of the effect of the GLUT-1 inhibitor BAY-876 on T cells and macrophages. Eur J Pharmacol 2023; 945:175552. [PMID: 36739076 DOI: 10.1016/j.ejphar.2023.175552] [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: 12/10/2022] [Revised: 01/24/2023] [Accepted: 01/25/2023] [Indexed: 02/05/2023]
Abstract
Increased aerobic glycolysis is a metabolic hallmark of proinflammatory leukocytes including macrophages and T cells. To take up glucose from the environment and fuel glycolysis, activated leukocytes upregulate the glucose transporter GLUT1. The orally bioavailable selective GLUT1 inhibitor BAY-876 was developed primarily as an anti-tumor drug. Our study assessed its activity on activated macrophages and CD4+ T cells. BAY-876 significantly attenuated glucose uptake by cultured CD4+ T cells and macrophages by 41% and 15%, respectively. Extracellular flux analysis of activated CD4+ T cells in vitro showed that BAY-876 significantly decreases glycolytic proton flux rate and lactate production, effects that are accompanied by an increased oxidative phosphorylation-mediated ATP production rate, leaving intracellular ATP levels per cell unchanged. However, GLUT1 inhibition reduced CD4+ T cell proliferation without compromising cell viability and reduced IFN-γ secretion by 20%. Moreover, TNF secretion from macrophages was reduced by 27%. We conclude that GLUT1-specific inhibitors, like BAY-876, deserve further in vivo testing in a broad range of (auto-) inflammatory disease models.
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Affiliation(s)
- Ziyi Chen
- University Hospital Würzburg, Department of Internal Medicine I, Würzburg, Germany
| | - Martin Vaeth
- Institute of Systems Immunology, Max Planck Research Group at the Julius-Maximilians-University of Würzburg, Würzburg, Germany
| | - Miriam Eckstein
- Institute of Systems Immunology, Max Planck Research Group at the Julius-Maximilians-University of Würzburg, Würzburg, Germany
| | - Murilo Delgobo
- University Hospital Würzburg, Comprehensive Heart Failure Center, Würzburg, Germany
| | - Gustavo Ramos
- University Hospital Würzburg, Department of Internal Medicine I, Würzburg, Germany; University Hospital Würzburg, Comprehensive Heart Failure Center, Würzburg, Germany
| | - Stefan Frantz
- University Hospital Würzburg, Department of Internal Medicine I, Würzburg, Germany
| | - Ulrich Hofmann
- University Hospital Würzburg, Department of Internal Medicine I, Würzburg, Germany.
| | - Nadine Gladow
- University Hospital Würzburg, Department of Internal Medicine I, Würzburg, Germany
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Seufert AL, Napier BA. A new frontier for fat: dietary palmitic acid induces innate immune memory. IMMUNOMETABOLISM (COBHAM, SURREY) 2023; 5:e00021. [PMID: 37197687 PMCID: PMC10184819 DOI: 10.1097/in9.0000000000000021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 03/20/2023] [Indexed: 05/19/2023]
Abstract
Dietary saturated fats have recently been appreciated for their ability to modify innate immune cell function, including monocytes, macrophages, and neutrophils. Many dietary saturated fatty acids (SFAs) embark on a unique pathway through the lymphatics following digestion, and this makes them intriguing candidates for inflammatory regulation during homeostasis and disease. Specifically, palmitic acid (PA) and diets enriched in PA have recently been implicated in driving innate immune memory in mice. PA has been shown to induce long-lasting hyper-inflammatory capacity against secondary microbial stimuli in vitro and in vivo, and PA-enriched diets alter the developmental trajectory of stem cell progenitors in the bone marrow. Perhaps the most relevant finding is the ability of exogenous PA to enhance clearance of fungal and bacterial burdens in mice; however, the same PA treatment enhances endotoxemia severity and mortality. Westernized countries are becoming increasingly dependent on SFA-enriched diets, and a deeper understanding of SFA regulation of innate immune memory is imperative in this pandemic era.
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Affiliation(s)
- Amy L. Seufert
- Department of Biology and Center for Life in Extreme Environments, Portland State University, Portland, OR, USA
| | - Brooke A. Napier
- Department of Biology and Center for Life in Extreme Environments, Portland State University, Portland, OR, USA
- *Correspondence: Brooke A. Napier, E-mail:
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Cheng Y, Wang H, Yao N, Ren Q, Bai Y, You LW, Chen XF, Guo JR. Autologous blood transfusion impedes glycolysis in macrophages to inhibit red blood cell injury in type 2 diabetes through PI3K/Akt/PKM2 signaling axis. Acta Diabetol 2023; 60:481-492. [PMID: 36625925 DOI: 10.1007/s00592-022-02026-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Accepted: 12/23/2022] [Indexed: 01/11/2023]
Abstract
AIMS To explore the effect and mechanism of autologous blood transfusion impeding glycolysis in macrophages and inhibiting red blood cells (RBCs) injury in type 2 diabetes through PI3K/Akt/PKM2 signaling axis. METHODS Cell transfection were performed and diabetic mice model was constructed. The group were divided into control (NC) and type 2 diabetes model (T2D). T2D model mice were injected with preserved autologous blood, si-PI3K, si-PKM2, si-NC Tran+T2D, (Tran+T2D+si-PI3K, Tran+T2D si-PKM2, Tran+T2D+si-NC) through tail vein. The anti-oxidative effects of transfusion of autologous blood in CD14+ monocytes were detected. The expression of PI3K/Akt/PKM2 protein in CD14+ monocytes were examined by western blot. Effect of autologous blood transfusion ameliorating RBCs injury by regulating PI3K and PKM2 in T2D mice were detected. RESULTS Effects on oxidative stress in T2D mice were all overturned after autologous blood transfusion in T2D mice. The results manifested that the levels of PI3K, pAkt and PKM2 were downregulated, while the expression of HIF-1α was upregulated in CD14+ monocytes from T2D mice, whereas these influences were all effectively reversed by autologous blood transfusion in T2D mice. The survival rate of RBCs in the serum of T2D mice was declined in the serum of T2D mice, while the effect was reversed by the autologous blood transfusion. CONCLUSION Autologous blood transfusion can reduce glycolysis in macrophages and inhibit the release of inflammatory factors through the PI3K/PKM2 signal axis, thereby inhibiting red blood cell damage and improving the oxygen-carrying capacity and survival activity of RBCs in diabetic patients.
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Affiliation(s)
- Yong Cheng
- Department of Anesthesiology, Shanghai Gongli Hospital, Naval Military Medical University, No. 219, Miaopu Road, Pudong New Area, Shanghai, 200135, People's Republic of China
| | - Huan Wang
- Department of Anesthesiology, Shanghai Gongli Hospital, Naval Military Medical University, No. 219, Miaopu Road, Pudong New Area, Shanghai, 200135, People's Republic of China
| | - Na Yao
- Department of Anesthesiology, Shanghai Gongli Hospital, Naval Military Medical University, No. 219, Miaopu Road, Pudong New Area, Shanghai, 200135, People's Republic of China
| | - Qin Ren
- Department of Anesthesiology, Shanghai Gongli Hospital, Naval Military Medical University, No. 219, Miaopu Road, Pudong New Area, Shanghai, 200135, People's Republic of China
| | - Yu Bai
- Department of Anesthesiology, Shanghai Gongli Hospital, Naval Military Medical University, No. 219, Miaopu Road, Pudong New Area, Shanghai, 200135, People's Republic of China
| | - Lai-Wei You
- Department of Anesthesiology, Shanghai Gongli Hospital, Naval Military Medical University, No. 219, Miaopu Road, Pudong New Area, Shanghai, 200135, People's Republic of China
| | - Xiao-Fei Chen
- Department of Anesthesiology, Lihuili Hospital, Medical School of Ningbo University, Zhejiang, 315040, China.
| | - Jian-Rong Guo
- Department of Anesthesiology, Shanghai Gongli Hospital, Naval Military Medical University, No. 219, Miaopu Road, Pudong New Area, Shanghai, 200135, People's Republic of China.
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Zhang X, Sun J, Zhou M, Li C, Zhu Z, Gan X. The role of mitochondria in the peri-implant microenvironment. Exp Physiol 2023; 108:398-411. [PMID: 36648334 PMCID: PMC10103875 DOI: 10.1113/ep090988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Accepted: 12/12/2022] [Indexed: 01/18/2023]
Abstract
NEW FINDINGS What is the topic of this review? In this review, we consider the key role of mitochondria in the peri-implant milieu, including the regulation of mitochondrial reactive oxygen species and mitochondrial metabolism in angiogenesis, the polarization of macrophage immune responses, and bone formation and bone resorption during osseointegration. What advances does it highlight? Mitochondria contribute to the behaviours of peri-implant cell lines based on metabolic and reactive oxygen species signalling modulations, which will contribute to the research field and the development of new treatment strategies for improving implant success. ABSTRACT Osseointegration is a dynamic biological process in the local microenvironment adjacent to a bone implant, which is crucial for implant performance and success of the implant surgery. Recently, the role of mitochondria in the peri-implant microenvironment during osseointegration has gained much attention. Mitochondrial regulation has been verified to be essential for cellular events in osseointegration and as a therapeutic target for peri-implant diseases in the peri-implant microenvironment. In this review, we summarize our current knowledge of the key role of mitochondria in the peri-implant milieu, including the regulation of mitochondrial reactive oxygen species and mitochondrial metabolism in angiogenesis, the polarization of macrophage immune responses, and bone formation and resorption during osseointegration, which will contribute to the research field and the development of new treatment strategies to improve implant success. In addition, we indicate limitations in our current understanding of the regulation of mitochondria in osseointegration and suggest topics for further study.
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Affiliation(s)
- Xidan Zhang
- State Key Laboratory of Oral DiseasesNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduChina
| | - Jiyu Sun
- State Key Laboratory of Oral DiseasesNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduChina
| | - Min Zhou
- State Key Laboratory of Oral DiseasesNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduChina
| | - Chen Li
- State Key Laboratory of Oral DiseasesNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduChina
| | - Zhuoli Zhu
- State Key Laboratory of Oral DiseasesNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduChina
| | - Xueqi Gan
- State Key Laboratory of Oral DiseasesNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengduChina
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Dilly S, Romero M, Solier S, Feron O, Dessy C, Slama Schwok A. Targeting M2 Macrophages with a Novel NADPH Oxidase Inhibitor. Antioxidants (Basel) 2023; 12:antiox12020440. [PMID: 36830003 PMCID: PMC9951936 DOI: 10.3390/antiox12020440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/02/2023] [Accepted: 02/07/2023] [Indexed: 02/12/2023] Open
Abstract
ROS in cancer cells play a key role in pathways regulating cell death, stemness maintenance, and metabolic reprogramming, all of which have been implicated in resistance to chemo/ immunotherapy. Adjusting ROS levels to reverse the resistance of cancer cells without impairing normal cell functions is a new therapeutic avenue. In this paper, we describe new inhibitors of NADPH oxidase (NOX), a key enzyme in many cells of the tumor microenvironment. The first inhibitor, called Nanoshutter-1, NS1, decreased the level of tumor-promoting "M2" macrophages differentiated from human blood monocytes. NS1 disrupted the active NADPH oxidase-2 (NOX2) complex at the membrane and in the mitochondria of the macrophages, as shown by confocal microscopy. As one of the characteristics of tumor invasion is hypoxia, we tested whether NS1 would affect vascular reactivity by reducing ROS or NO levels in wire and pressure myograph experiments on isolated blood vessels. The results show that NS1 vasodilated blood vessels and would likely reduce hypoxia. Finally, as both NOX2 and NOX4 are key proteins in tumors and their microenvironment, we investigated whether NS1 would probe these proteins differently. Models of NOX2 and NOX4 were generated by homology modeling, showing structural differences at their C-terminal NADPH site, in particular in their last Phe. Thus, the NADPH site presents an unexploited chemical space for addressing ligand specificity, which we exploited to design a novel NOX2-specific inhibitor targeting variable NOX2 residues. With the proper smart vehicle to target specific cells of the microenvironment as TAMs, NOX2-specific inhibitors could open the way to new precision therapies.
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Affiliation(s)
- Sébastien Dilly
- Gustave Roussy Cancer Center, CNRS UMR 8200, F-94805 Villejuif, France
| | - Miguel Romero
- Pole of Pharmacology and Therapeutics (FATH), Institute of Experimental and Clinical Research (IREC), Université Catholique de Louvain, B-1200 Brussels, Belgium
- Department of Pharmacology, School of Pharmacy, Center for Biomedical Research (CIBM), University of Granada, 18071 Granada, Spain
| | - Stéphanie Solier
- Gustave Roussy Cancer Center, INSERM U1170, F-94805 Villejuif, France
- Correspondence: (S.S.); or (A.S.S.)
| | - Olivier Feron
- Pole of Pharmacology and Therapeutics (FATH), Institute of Experimental and Clinical Research (IREC), Université Catholique de Louvain, B-1200 Brussels, Belgium
- WELBIO Department, WEL Research Institute, Avenue Pasteur, 6, B-1300 Wavre, Belgium
| | - Chantal Dessy
- Pole of Pharmacology and Therapeutics (FATH), Institute of Experimental and Clinical Research (IREC), Université Catholique de Louvain, B-1200 Brussels, Belgium
| | - Anny Slama Schwok
- Gustave Roussy Cancer Center, CNRS UMR 8200, F-94805 Villejuif, France
- Correspondence: (S.S.); or (A.S.S.)
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11
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Kong M, Zhu D, Dong J, Kong L, Luo J. Iso-seco-tanapartholide from Artemisia argyi inhibits the PFKFB3-mediated glycolytic pathway to attenuate airway inflammation in lipopolysaccharide-induced acute lung injury mice. JOURNAL OF ETHNOPHARMACOLOGY 2023; 301:115781. [PMID: 36195302 DOI: 10.1016/j.jep.2022.115781] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE In traditional Chinese folk medicine, Artemisia argyi H.Lév. & Vaniot (A. argyi) has been used for thousands of years, and it is clinically used to treat bronchitis and asthma. However, the mechanism of action of A. argyi on respiratory tract inflammation is not clear. Accumulating evidence that phosphofructo-2-kinase/fructose-2,6-bisphosphatase 3 (PFKFB3) is actively expressed in inflammation. Here, we found that iso-seco-tanapartholide (IST), a sesquiterpene isolated from A. argyi, exhibited potent anti-inflammatory activity and significant inhibition of PFKFB3 expression. Therefore, we evaluated the effect of IST on airway inflammation and revealed its possible mechanisms. AIM OF THE STUDY This study aimed to investigate the protective effect and possible mechanism of IST in lipopolysaccharide (LPS)-induced acute lung injury in mice. MATERIALS AND METHODS In vitro, RAW264.7 cells and BMDMs were stimulated with LPS, and the level of NO and inflammatory factors TNF-α, IL-1β, and IL-6 were detected by Griess reagent and ELISA, respectively. The effect of IST on the levels of PFKFB3 and its downstream proteins (p-STAT3, p-p65) in cells was assayed by western blotting. Lactate and glycolytic phenotypes were detected by lactate kit and Seahorse assay. In vivo, a mouse model of acute lung injury was induced by LPS, and the levels of inflammatory factors were measured by ELISA. Expression of PFKFB3 and its downstream proteins (p-STAT3, p-p65) in mouse alveolar macrophages by western blotting analysis. Lung permeability assessment by Evans Blue dye assay. H&E staining and Immunocytochemistry were used to observe the protection of IST against lung injury. RESULTS IST significantly reduced LPS-induced expression of PFKFB3 and its downstream proteins (p-STAT3, p-p65). The inhibition of PFKFB3 has an impact on the glycolytic phenotype, such as a reduction in the rate of extracellular acidification (ECAR) and elevated lactate levels, and an increase in the rate of cellular oxygen consumption (OCR). Furthermore, IST inhibited LPS-induced NO release and increased the expression of pro-inflammatory factors TNF-α, IL-1β, and IL-6. In vivo, IST reduced pulmonary edema in LPS-induced acute lung injury, improved lung function, and reduced levels of inflammatory factors and lactate secretion. CONCLUSIONS These results suggest that IST improves the characteristics of ALI by inhibiting the expression of the PFKFB3-mediated glycolytic pathway and may be a potential anti-inflammatory agent for inflammation-related lung diseases.
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Affiliation(s)
- Min Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Dongrong Zhu
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China; Tianjin Key Laboratory of Drug Targeting and Bioimaging, School of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin, 300384, China
| | - Junyi Dong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Lingyi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
| | - Jianguang Luo
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
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12
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Osuna-Espinoza KY, Rosas-Taraco AG. Metabolism of NK cells during viral infections. Front Immunol 2023; 14:1064101. [PMID: 36742317 PMCID: PMC9889541 DOI: 10.3389/fimmu.2023.1064101] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Accepted: 01/04/2023] [Indexed: 01/19/2023] Open
Abstract
Cellular metabolism is essential for the correct function of immune system cells, including Natural Killer cells (NK). These cells depend on energy to carry out their effector functions, especially in the early stages of viral infection. NK cells participate in the innate immune response against viruses and tumors. Their main functions are cytotoxicity and cytokine production. Metabolic changes can impact intracellular signals, molecule production, secretion, and cell activation which is essential as the first line of immune defense. Metabolic variations in different immune cells in response to a tumor or pathogen infection have been described; however, little is known about NK cell metabolism in the context of viral infection. This review summarizes the activation-specific metabolic changes in NK cells, the immunometabolism of NK cells during early, late, and chronic antiviral responses, and the metabolic alterations in NK cells in SARS-CoV2 infection. The modulation points of these metabolic routes are also discussed to explore potential new immunotherapies against viral infections.
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Affiliation(s)
- Kenia Y Osuna-Espinoza
- Faculty of Medicine, Department of Immunology, Universidad Autonoma de Nuevo Leon, Monterrey, Nuevo Leon, Mexico
| | - Adrián G Rosas-Taraco
- Faculty of Medicine, Department of Immunology, Universidad Autonoma de Nuevo Leon, Monterrey, Nuevo Leon, Mexico
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13
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Bellini R, Moregola A, Nour J, Rombouts Y, Neyrolles O, Uboldi P, Bonacina F, Norata GD. Dendritic cell marker Clec4a4 deficiency limits atherosclerosis progression. ATHEROSCLEROSIS PLUS 2022; 51:8-12. [PMID: 36969702 PMCID: PMC10037088 DOI: 10.1016/j.athplu.2022.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/22/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
Background and aims Atherogenesis results from altered lipid metabolism and impaired immune response. Emerging evidence has suggested that dendritic cells (DCs) participate to atherosclerosis-related immune response, but their impact is scarcely characterized. Clec4a4 or DCIR2 (Dendritic cell immunoreceptor 2) is a C-type lectin receptor, mainly expressed by CD8α- DCs, able to modulate T cell immunity. However, whether this DC subset could play a role in the atherogenesis is still poorly understood. Thus, the aim of this study is to investigate whether the absence of Clec4a4 could affect atherosclerosis-related immune response and atherosclerosis itself. Methods Dcir2 -/- Ldlr -/- and Ldlr -/- mice were fed a standard diet or cholesterol-enriched diet for 12 weeks. Subsequently, the profile of circulating and lymph nodes-resident immune cells was investigated together with the analysis of plasma lipid levels and atherosclerotic plaque extension in the aorta. Results Here, we show that Clec4a4 expression is downregulated under hypercholesterolemia and its deficiency in Ldlr -/- mice results in the reduction of atherosclerotic plaque formation, together with altered lipid metabolism and impaired myeloid immune cell distribution. Conclusions Our findings suggest a pro-atherosclerotic role of Clec4a4 in experimental atherosclerosis.
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Affiliation(s)
- Rossella Bellini
- Department of Excellence of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Annalisa Moregola
- Department of Excellence of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Jasmine Nour
- Department of Excellence of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Yoann Rombouts
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Olivier Neyrolles
- Institut de Pharmacologie et de Biologie Structurale, IPBS, Université de Toulouse, CNRS, UPS, Toulouse, France
| | - Patrizia Uboldi
- Department of Excellence of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Fabrizia Bonacina
- Department of Excellence of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
| | - Giuseppe Danilo Norata
- Department of Excellence of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy
- Centro SISA per lo Studio dell’Aterosclerosi, Ospedale Bassini, Cinisello Balsamo, Italy
- Corresponding author. Department of Excellence of Pharmacological and Biomolecular Sciences, Università degli Studi di Milano, Milan, Italy.
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14
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Wang M, Pang Y, Guo Y, Tian L, Liu Y, Shen C, Liu M, Meng Y, Cai Z, Wang Y, Zhao W. Metabolic reprogramming: A novel therapeutic target in diabetic kidney disease. Front Pharmacol 2022; 13:970601. [PMID: 36120335 PMCID: PMC9479190 DOI: 10.3389/fphar.2022.970601] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 08/01/2022] [Indexed: 11/13/2022] Open
Abstract
Diabetic kidney disease (DKD) is one of the most common microvascular complications of diabetes mellitus. However, the pathological mechanisms contributing to DKD are multifactorial and poorly understood. Diabetes is characterized by metabolic disorders that can bring about a series of changes in energy metabolism. As the most energy-consuming organs secondary only to the heart, the kidneys must maintain energy homeostasis. Aberrations in energy metabolism can lead to cellular dysfunction or even death. Metabolic reprogramming, a shift from mitochondrial oxidative phosphorylation to glycolysis and its side branches, is thought to play a critical role in the development and progression of DKD. This review focuses on the current knowledge about metabolic reprogramming and the role it plays in DKD development. The underlying etiologies, pathological damages in the involved cells, and potential molecular regulators of metabolic alterations are also discussed. Understanding the role of metabolic reprogramming in DKD may provide novel therapeutic approaches to delay its progression to end-stage renal disease.
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15
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Faiad OJ, Francisco AMSDC, Brigatte P, Curi R, Sampaio SC. Crotoxin modulates metabolism and secretory activity of peritoneal macrophages from Walker 256 tumor-bearing rats. Toxicon 2022; 217:46-55. [PMID: 35981665 DOI: 10.1016/j.toxicon.2022.07.011] [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: 05/01/2022] [Revised: 07/13/2022] [Accepted: 07/18/2022] [Indexed: 10/15/2022]
Abstract
Crotoxin (CTX), the major toxin of Crotalus durissus terrificus snake venom, induces an inhibitory effect on tumor development and modulates the functions of macrophages (MØs), which play a key role as a defense mechanism against tumor growth. In early tumor progression stage, MØs are avidly phagocytic (inflammatory cell), releasing reactive nitrogen intermediates-RNI/ROI and cytokines TNF-α, IL-1β, and IL-6. However, when the tumor has been developed, tumor-associated MØ (angiogenic cell) presents a decrease in the mentioned activities. We reported that CTX stimulates H2O2 release, NO production and secretion of cytokines by peritoneal MØs obtained from non-tumor-bearing rats. Considering that the mentioned mediators control tumor growth, it is mandatory to investigate whether CTX stimulates the production of these mediators by MØs obtained from tumor-bearing animals. The aim of this work was then to evaluate the CTX effect on metabolism and functions of peritoneal MØs obtained from Walker 256 tumor-bearing rats. For this purpose, male Wistar rats were subcutaneously inoculated in the right flank with 1 mL sterile suspension of 2 × 107 Walker 256 tumor cells. CTX (18 μg per animal) was subcutaneously administered in two protocols: a) on the 1st day of tumor cell injection and b) on the 4th day of tumor cell inoculation. In both protocols, MØs were obtaining on the 14th day of tumor cell inoculation to evaluate the release of H2O2, NO, and pro-inflammatory cytokines (IL-1β, TNFα, and IL-6); maximal activity of hexokinase, glucose-6-phosphate dehydrogenase, citrate synthase, and 14CO2 production from [U-14C]-glucose and [U-14C]-glutamine. The treatment with CTX stimulated the release of NO, H2O2, and cytokines, and glucose and glutamine metabolism. Metabolic and functional changes induced by CTX were accompanied by a decrease of tumor growth as indicated by tumor fresh weight and diameter. These results indicate CTX not only as a scientific tool to investigate changes in metabolism and functions of peritoneal MØs but also for a better understanding of the mechanisms involved in tumor growth.
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Affiliation(s)
- Odair Jorge Faiad
- Laboratory of Pathophysiology, Butantan Institute, São Paulo, SP, Brazil
| | | | - Patrícia Brigatte
- Faculty of Medicine, University City of São Paulo-UNICID, São Paulo, SP, Brazil
| | - Rui Curi
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro Do Sul University, São Paulo, SP, Brazil; Bioindustrial Center, Butantan Institute, São Paulo, SP, Brazil
| | - Sandra Coccuzzo Sampaio
- Laboratory of Pathophysiology, Butantan Institute, São Paulo, SP, Brazil; Institute of Biomedical Sciences, Department of Pharmacology, University of São Paulo, São Paulo, SP, Brazil.
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16
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Evidence for Monocyte Reprogramming in a Long-Term Postsepsis Study. Crit Care Explor 2022; 4:e0734. [PMID: 35928539 PMCID: PMC9345639 DOI: 10.1097/cce.0000000000000734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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17
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Yadav S, Dwivedi A, Tripathi A. Biology of macrophage fate decision: Implication in inflammatory disorders. Cell Biol Int 2022; 46:1539-1556. [PMID: 35842768 DOI: 10.1002/cbin.11854] [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: 01/22/2022] [Revised: 05/04/2022] [Accepted: 06/18/2022] [Indexed: 11/11/2022]
Abstract
The activation of immune cells in response to stimuli present in their microenvironment is regulated by their metabolic profile. Unlike the signal transduction events, which overlap to a huge degree in diverse cellular processes, the metabolome of a cell reflects a more precise picture of cell physiology and function. Different factors governing the cellular metabolome include receptor signaling, macro and micronutrients, normoxic and hypoxic conditions, energy needs, and biomass demand. Macrophages have enormous plasticity and can perform diverse functions depending upon their phenotypic state. This review presents recent updates on the cellular metabolome and molecular patterns associated with M1 and M2 macrophages, also termed "classically activated macrophages" and "alternatively activated macrophages," respectively. M1 macrophages are proinflammatory in nature and predominantly Th1-specific immune responses induce their polarization. On the contrary, M2 macrophages are anti-inflammatory in nature and primarily participate in Th2-specific responses. Interestingly, the same macrophage cell can adapt to the M1 or M2 phenotype depending upon the clues from its microenvironment. We elaborate on the various tissue niche-specific factors, which govern macrophage metabolism and heterogeneity. Furthermore, the current review provides an in-depth account of deregulated macrophage metabolism associated with pathological disorders such as cancer, obesity, and atherosclerosis. We further highlight significant differences in various metabolic pathways governing the cellular bioenergetics and their impact on macrophage effector functions and associated disorders.
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Affiliation(s)
- Sarika Yadav
- Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research, Lucknow, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Ashish Dwivedi
- Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research, Lucknow, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
| | - Anurag Tripathi
- Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research, Lucknow, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh, India
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18
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Sun JX, Xu XH, Jin L. Effects of Metabolism on Macrophage Polarization Under Different Disease Backgrounds. Front Immunol 2022; 13:880286. [PMID: 35911719 PMCID: PMC9331907 DOI: 10.3389/fimmu.2022.880286] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 06/21/2022] [Indexed: 11/20/2022] Open
Abstract
Macrophages are versatile immune cells associated with various diseases, and their phenotypes and functions change on the basis of the surrounding environments. Reprogramming of metabolism is required for the proper polarization of macrophages. This review will focus on basic metabolic pathways, the effects of key enzymes and specific products, relationships between cellular metabolism and macrophage polarization in different diseases and the potential prospect of therapy targeted key metabolic enzymes. In particular, the types and characteristics of macrophages at the maternal-fetal interface and their effects on a successful conception will be discussed.
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Affiliation(s)
| | | | - Liping Jin
- *Correspondence: Liping Jin, ; Xiang-Hong Xu,
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19
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Sriamornsak P, Dass CR. Chitosan Nanoparticles in Atherosclerosis—Development to Preclinical Testing. Pharmaceutics 2022; 14:pharmaceutics14050935. [PMID: 35631521 PMCID: PMC9145436 DOI: 10.3390/pharmaceutics14050935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/04/2022] [Accepted: 04/22/2022] [Indexed: 02/01/2023] Open
Abstract
Chitosan is a natural biopolymer that is present in an abundant supply in sources such as crustacean shells, mushrooms, and insect exoskeletons. It can be used to make a variety of types of drug formulations and is generally safe to use in vivo; plus, it has inherent cholesterol-reducing properties. While an abundance of papers has tested this biopolymer in nanoparticles in cancer and diabetes research, there is a lag of usage, and hence the paucity of information, in the area of cardiovascular research, specifically in atherosclerosis, the topic of this review. This review highlights some of the deficiencies in this niche area of research, examines the range of chitosan nanoparticles that have been researched to date, and proposes several ways forward to advance this field. Nanoparticles used for both diagnostic and therapeutic purposes are reviewed, with a discussion on how these nanoparticles could be better researched in future and what lays ahead as the field potentially moves towards clinical trials in future.
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Affiliation(s)
- Pornsak Sriamornsak
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Silpakorn University, Nakhon Pathom 73000, Thailand;
- Pharmaceutical Biopolymer Group (PBiG), Silpakorn University, Nakhon Pathom 73000, Thailand
- Academy of Science, The Royal Society of Thailand, Bangkok 10300, Thailand
| | - Crispin R. Dass
- Curtin Medical School, Curtin University, Bentley 6102, Australia
- Curtin Health Innovation Research Institute, Bentley 6102, Australia
- Correspondence:
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20
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Ying C, Fang X, Wang H, Yang Y, Xu P, Liu K, Yin G. Anisakidae parasitism activated immune response and induced liver fibrosis in wild anadromous Coilia nasus. JOURNAL OF FISH BIOLOGY 2022; 100:958-969. [PMID: 35229303 DOI: 10.1111/jfb.15027] [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: 11/06/2021] [Revised: 02/24/2022] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
Anisakidae nematode larvae is one of the most common parasites in wild anadromous Coilia nasus. This study aims to explore the mechanism of the C. nasus immune response to the parasitism of Anisakid nematode larvae. Results found that Anisakid nematode larvae parasitism caused liver injury as evidenced by histomorphology results as well as high levels of aminotransferase and aspertate aminotransferase. Furthermore, Anisakid nematode larvae parasitism induced an immune response in the host, which was characterized by the elevated populations of macrophages and neutrophils in the liver and head-kidney in the Anisakidae-infected group compared to the noninfected group. The expression of immunoglobulin IgM and IgD in the liver and head-kidney was also increased in the Anisakidae-infected group. The Anisakidae-infected group showed higher activity of antioxidant enzymes catalase and superoxide dismutase, which indicates severe oxidative stress, and increased production of pro-inflammatory cytokines, TNF-α, IL-6 as well as MCP-1 in the liver compared with the noninfected group. As a result of inflammation, livers of hosts in the Anisakidae-infected group showed fibrosis, and elevated expression of associated proteins including α-smooth muscle actin, fibronectin, collagen type I and type III compared with the noninfected group. We demonstrated that Anisakid nematode larvae parasitism results in injury and fibrosis in the liver, and triggers immune cell infiltration and inflammation in the liver and head-kidney of C. nasus. Altogether, the results provide a foundation for building an interaction between parasite and host, and will contribute to C. nasus population and fishery resource protection.
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Affiliation(s)
- Congping Ying
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
| | - Xin Fang
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi, China
| | - Honglan Wang
- National Demonstration Center for Experimental Fisheries Science Education, Shanghai Ocean University, Shanghai, China
| | - Yanping Yang
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi, China
| | - Pao Xu
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi, China
| | - Kai Liu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi, China
| | - Guojun Yin
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, China
- Scientific Observing and Experimental Station of Fishery Resources and Environment in the Lower Reaches of the Changjiang River, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, CAFS, WuXi, China
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21
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Pharmacological Inhibition of Glutaminase 1 Attenuates Alkali-Induced Corneal Neovascularization by Modulating Macrophages. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1106313. [PMID: 35345831 PMCID: PMC8957416 DOI: 10.1155/2022/1106313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 02/24/2022] [Indexed: 11/18/2022]
Abstract
Corneal neovascularization (CoNV) in response to chemical burns is a leading cause of vision impairment. Although glutamine metabolism plays a crucial role in macrophage polarization, its regulatory effect on macrophages involved in chemical burn-induced corneal injury is not known. Here, we elucidated the connection between the reprogramming of glutamine metabolism in macrophages and the development of alkali burn-induced CoNV. Glutaminase 1 (GLS1) expression was upregulated in the mouse corneas damaged with alkali burns and was primarily located in F4/80-positive macrophages. Treatment with a selective oral GLS1 inhibitor, CB-839 (telaglenastat), significantly decreased the distribution of polarized M2 macrophages in the alkali-injured corneas and suppressed the development of CoNV. In vitro studies further demonstrated that glutamine deprivation or CB-839 treatment inhibited the proliferation, adhesion, and M2 polarization of bone marrow-derived macrophages (BMDMs) from C57BL/6J mice. CB-839 treatment markedly attenuated the secretion of proangiogenic factors, including vascular endothelial growth factor-A (VEGF-A) and platelet-derived growth factor-BB (PDGF-BB) from interleukin-4- (IL-4-) regulated M2 macrophages. Our findings revealed that GLS1 inhibition or glutamine deprivation prevented alkali-induced CoNV by inhibiting the infiltration and M2 polarization of macrophages. This work suggests that pharmacological GLS1 inhibition is a feasible and effective treatment strategy for chemical burn-related CoNV in humans.
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22
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Williams EJ, Guilleminault L, Berthon BS, Eslick S, Wright T, Karihaloo C, Gately M, Baines KJ, Wood LG. Sulforaphane Reduces Pro-Inflammatory Response To Palmitic Acid In Monocytes And Adipose Tissue Macrophages. J Nutr Biochem 2022; 104:108978. [DOI: 10.1016/j.jnutbio.2022.108978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 12/03/2021] [Accepted: 02/09/2022] [Indexed: 10/18/2022]
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Geiß C, Salas E, Guevara-Coto J, Régnier-Vigouroux A, Mora-Rodríguez RA. Multistability in Macrophage Activation Pathways and Metabolic Implications. Cells 2022; 11:cells11030404. [PMID: 35159214 PMCID: PMC8834178 DOI: 10.3390/cells11030404] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 01/18/2022] [Accepted: 01/22/2022] [Indexed: 12/22/2022] Open
Abstract
Macrophages are innate immune cells with a dynamic range of reversible activation states including the classical pro-inflammatory (M1) and alternative anti-inflammatory (M2) states. Deciphering how macrophages regulate their transition from one state to the other is key for a deeper understanding of inflammatory diseases and relevant therapies. Common regulatory motifs reported for macrophage transitions, such as positive or double-negative feedback loops, exhibit a switchlike behavior, suggesting the bistability of the system. In this review, we explore the evidence for multistability (including bistability) in macrophage activation pathways at four molecular levels. First, a decision-making module in signal transduction includes mutual inhibitory interactions between M1 (STAT1, NF-KB/p50-p65) and M2 (STAT3, NF-KB/p50-p50) signaling pathways. Second, a switchlike behavior at the gene expression level includes complex network motifs of transcription factors and miRNAs. Third, these changes impact metabolic gene expression, leading to switches in energy production, NADPH and ROS production, TCA cycle functionality, biosynthesis, and nitrogen metabolism. Fourth, metabolic changes are monitored by metabolic sensors coupled to AMPK and mTOR activity to provide stability by maintaining signals promoting M1 or M2 activation. In conclusion, we identify bistability hubs as promising therapeutic targets for reverting or blocking macrophage transitions through modulation of the metabolic environment.
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Affiliation(s)
- Carsten Geiß
- Institute for Developmental Biology and Neurobiology (IDN), Johannes Gutenberg University, 55128 Mainz, Germany;
- Correspondence: (C.G.); (R.A.M.-R.)
| | - Elvira Salas
- Department of Biochemistry, Faculty of Medicine, Campus Rodrigo Facio, University of Costa Rica, San José 11501-2060, Costa Rica;
| | - Jose Guevara-Coto
- Department of Computer Sciences and Informatics (ECCI), Faculty of Engineering, Campus Rodrigo Facio, University of Costa Rica, San José 11501-2060, Costa Rica;
- Research Center for Information and Communication Technologies (CITIC), Campus Rodrigo Facio, University of Costa Rica, San José 11501-2060, Costa Rica
| | - Anne Régnier-Vigouroux
- Institute for Developmental Biology and Neurobiology (IDN), Johannes Gutenberg University, 55128 Mainz, Germany;
| | - Rodrigo A. Mora-Rodríguez
- Institute for Developmental Biology and Neurobiology (IDN), Johannes Gutenberg University, 55128 Mainz, Germany;
- Research Center on Surgery and Cancer (CICICA), Campus Rodrigo Facio, University of Costa Rica, San José 11501-2060, Costa Rica
- Research Center for Tropical Diseases (CIET), Lab of Tumor Chemosensitivity (LQT), Faculty of Microbiology, Campus Rodrigo Facio, University of Costa Rica, San José 11501-2060, Costa Rica
- Correspondence: (C.G.); (R.A.M.-R.)
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O'Neil SM, Hans EE, Jiang S, Wangler LM, Godbout JP. Astrocyte immunosenescence and deficits in interleukin 10 signaling in the aged brain disrupt the regulation of microglia following innate immune activation. Glia 2022; 70:913-934. [DOI: 10.1002/glia.24147] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/13/2021] [Accepted: 01/09/2022] [Indexed: 12/21/2022]
Affiliation(s)
- Shane M. O'Neil
- Department of Neuroscience The Ohio State University Wexner Medical Center Columbus Ohio USA
| | - Emma E. Hans
- Department of Neuroscience The Ohio State University Wexner Medical Center Columbus Ohio USA
| | - Starr Jiang
- Department of Neuroscience The Ohio State University Wexner Medical Center Columbus Ohio USA
| | - Lynde M. Wangler
- Department of Neuroscience The Ohio State University Wexner Medical Center Columbus Ohio USA
| | - Jonathan P. Godbout
- Department of Neuroscience The Ohio State University Wexner Medical Center Columbus Ohio USA
- Institute for Behavioral Medicine Research The Ohio State University Wexner Medical Center Columbus Ohio USA
- Chronic Brain Injury Program The Ohio State University Columbus Ohio USA
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25
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Cheng J, Cai W, Zong S, Yu Y, Wei F. Metabolite transporters as regulators of macrophage polarization. Naunyn Schmiedebergs Arch Pharmacol 2021; 395:13-25. [PMID: 34851450 DOI: 10.1007/s00210-021-02173-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Accepted: 10/27/2021] [Indexed: 12/20/2022]
Abstract
Macrophages are myeloid immune cells, present in virtually all tissues which exhibit considerable functional plasticity and diversity. Macrophages are often subdivided into two distinct subsets described as classically activated (M1) and alternatively activated (M2) macrophages. It has recently emerged that metabolites regulate the polarization and function of macrophages by altering metabolic pathways. These metabolites often cannot freely pass the cell membrane and are therefore transported by the corresponding metabolite transporters. Here, we reviewed how glucose, glutamate, lactate, fatty acid, and amino acid transporters are involved in the regulation of macrophage polarization. Understanding the interactions among metabolites, metabolite transporters, and macrophage function under physiological and pathological conditions may provide further insights for novel drug targets for the treatment of macrophage-associated diseases. In Brief Recent studies have shown that the polarization and function of macrophages are regulated by metabolites, most of which cannot pass freely through biofilms. Therefore, metabolite transporters required for the uptake of metabolites have emerged seen as important regulators of macrophage polarization and may represent novel drug targets for the treatment of macrophage-associated diseases. Here, we summarize the role of metabolite transporters as regulators of macrophage polarization.
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Affiliation(s)
- Jingwen Cheng
- School of Pharmacy, Bengbu Medical College, Donghai Avenue, Bengbu, 2600233030, Anhui, China
| | - Weiwei Cai
- School of Pharmacy, Bengbu Medical College, Donghai Avenue, Bengbu, 2600233030, Anhui, China
| | - Shiye Zong
- School of Pharmacy, Bengbu Medical College, Donghai Avenue, Bengbu, 2600233030, Anhui, China
| | - Yun Yu
- School of Pharmacy, Bengbu Medical College, Donghai Avenue, Bengbu, 2600233030, Anhui, China
| | - Fang Wei
- School of Pharmacy, Bengbu Medical College, Donghai Avenue, Bengbu, 2600233030, Anhui, China. .,Anhui Engineering Technology Research Center of Biochemical Pharmaceutical, 2600 Donghai Avenue, Bengbu, 233030, Anhui, China.
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26
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Classical Dichotomy of Macrophages and Alternative Activation Models Proposed with Technological Progress. BIOMED RESEARCH INTERNATIONAL 2021; 2021:9910596. [PMID: 34722776 PMCID: PMC8553456 DOI: 10.1155/2021/9910596] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 09/25/2021] [Indexed: 02/05/2023]
Abstract
Macrophages are important immune cells that participate in the regulation of inflammation in implant dentistry, and their activation/polarization state is considered to be the basis for their functions. The classic dichotomy activation model is commonly accepted, however, due to the discovery of macrophage heterogeneity and more functional and iconic exploration at different technologies; some studies have discovered the shortcomings of the dichotomy model and have put forward the concept of alternative activation models through the application of advanced technologies such as cytometry by time-of-flight (CyTOF), single-cell RNA-seq (scRNA-seq), and hyperspectral image (HSI). These alternative models have great potential to help macrophages divide phenotypes and functional genes.
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27
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Liu X, Shi B, Suo R, Xiong S, Wang X, Liang X, Li X, Li G. Itaconate regulates macrophage function through stressful iron-sulfur cluster disrupting and iron metabolism rebalancing. FASEB J 2021; 35:e21936. [PMID: 34547129 DOI: 10.1096/fj.202100726rr] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 09/01/2021] [Accepted: 09/03/2021] [Indexed: 11/11/2022]
Abstract
Lipopolysaccharide (LPS)-stimulated macrophages express an aconitate decarboxylase (IRG1, also called ACOD1), leading to accumulation of the endogenous metabolite itaconate. However, the precise mechanisms by which elevated itaconate levels alter macrophage function are not clear. Our hypothesis is itaconate affects macrophage function through some uncertain mechanism. Based on this, we established a transcriptional and proteomic signature of macrophages stimulated by itaconate and identified the pathways of IL-1β secretion and altered iron metabolism. Consistently, the effect of IRG1 deficiency on IL-1β secretion and iron metabolism was confirmed in IRG1 knockout THP-1 cell lines. Several common inhibitors and other compounds were used to examine the molecular mechanisms involved. Only cysteine and antioxidants (catechin hydrate) could inhibit caspase-1 activation and IL-1β secretion in itaconate-stimulated macrophages. We further found that aconitase activity was decreased by itaconate stimulation. Our results demonstrate the counteracting effects of overexpression of mitochondrial aconitase (ACO2, a tricarboxylic acid cycle enzyme) or cytosolic aconitase (ACO1, an iron regulatory protein) on IL-1β secretion and altered iron metabolism. Both enzyme activities were inhibited by itaconate because of iron-sulfur (Fe-S) cluster destruction. Our findings indicate that the immunoregulatory functions of IRG1 and itaconate in macrophages are stressful Fe-S cluster of aconitases disrupting and iron metabolism rebalancing.
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Affiliation(s)
- Xing Liu
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Bingshuo Shi
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Rong Suo
- Department of Cardiology, Tianjin Hospital, Tianjin, China
| | - Shenglin Xiong
- Department of Cardiology, You Country People's Hospital, Zhuzhou, China
| | - Xuewen Wang
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Xue Liang
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Xinjian Li
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
| | - Guangping Li
- Tianjin Key Laboratory of Ionic-Molecular Function of Cardiovascular Disease, Department of Cardiology, Tianjin Institute of Cardiology, The Second Hospital of Tianjin Medical University, Tianjin, China
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28
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Rosa Neto JC, Calder PC, Curi R, Newsholme P, Sethi JK, Silveira LS. The Immunometabolic Roles of Various Fatty Acids in Macrophages and Lymphocytes. Int J Mol Sci 2021; 22:ijms22168460. [PMID: 34445165 PMCID: PMC8395092 DOI: 10.3390/ijms22168460] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/18/2021] [Accepted: 07/19/2021] [Indexed: 12/12/2022] Open
Abstract
Macrophages and lymphocytes demonstrate metabolic plasticity, which is dependent partly on their state of activation and partly on the availability of various energy yielding and biosynthetic substrates (fatty acids, glucose, and amino acids). These substrates are essential to fuel-based metabolic reprogramming that supports optimal immune function, including the inflammatory response. In this review, we will focus on metabolism in macrophages and lymphocytes and discuss the role of fatty acids in governing the phenotype, activation, and functional status of these important cells. We summarize the current understanding of the pathways of fatty acid metabolism and related mechanisms of action and also explore possible new perspectives in this exciting area of research.
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Affiliation(s)
- Jose Cesar Rosa Neto
- Immunometabolism Research Group, Department of Cell Biology and Development, Institute of Biomedical Science, University of Sao Paulo, Sao Paulo 05508-000, Brazil;
- LIM-26, Hospital das Clínicas of the University of São Paulo, Sao Paulo 01246-903, Brazil
- Correspondence:
| | - Philip C. Calder
- Faculty of Medicine, School of Human Development and Health, University of Southampton, Southampton SO16 6YD, UK; (P.C.C.); (J.K.S.)
- National Institute for Health Research Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton National Health Service (NHS) Foundation Trust, Southampton SO16 6YD, UK
- Institute for Life Sciences, University of Southampton, Southampton SO17 1BJ, UK
| | - Rui Curi
- Interdisciplinary Post-Graduate Program in Health Sciences, Cruzeiro do Sul University, Sao Paulo 01506-000, Brazil;
| | - Philip Newsholme
- Curtin Medical School and Curtin Health Innovation Research Institute, Curtin University, Perth, WA 6102, Australia;
| | - Jaswinder K. Sethi
- Faculty of Medicine, School of Human Development and Health, University of Southampton, Southampton SO16 6YD, UK; (P.C.C.); (J.K.S.)
- National Institute for Health Research Southampton Biomedical Research Centre, University of Southampton and University Hospital Southampton National Health Service (NHS) Foundation Trust, Southampton SO16 6YD, UK
- Institute for Life Sciences, University of Southampton, Southampton SO17 1BJ, UK
| | - Loreana S. Silveira
- Immunometabolism Research Group, Department of Cell Biology and Development, Institute of Biomedical Science, University of Sao Paulo, Sao Paulo 05508-000, Brazil;
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29
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Padilha CS, Figueiredo C, Minuzzi LG, Chimin P, Deminice R, Krüger K, Rosa-Neto JC, Lira FS. Immunometabolic responses according to physical fitness status and lifelong exercise during aging: New roads for exercise immunology. Ageing Res Rev 2021; 68:101341. [PMID: 33839332 DOI: 10.1016/j.arr.2021.101341] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 03/29/2021] [Accepted: 04/02/2021] [Indexed: 02/06/2023]
Abstract
Molecules such as cytokines, energetic substrates, and hormones found in the immune cell environment, especially lymphocytes and monocytes, are crucial for directing energy metabolism. In turn, changes in energy metabolism occur in a synchronized manner with the activation of certain signaling pathways, thereby this crosstalk is responsible for determining the functionality of immune cells. The immunometabolism field has grown over time and that is becoming increasingly promising in several populations; here we discuss the mechanisms involved in sedentary and physically active middle-aged individuals and master athletes. In this context, this review shows that the physical activity status and lifelong exercise seems to be good strategies for the promotion of metabolic and functional adaptations in T lymphocytes and monocytes, counteracting inflammatory environments caused by expanded adipose tissue and sedentary behavior, as well as delaying the immunosenescence caused by aging.
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Affiliation(s)
- Camila S Padilha
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, São Paulo, Brazil.
| | - Caique Figueiredo
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, São Paulo, Brazil
| | - Luciele Guerra Minuzzi
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, São Paulo, Brazil
| | - Patricia Chimin
- Laboratory of Biochemistry Exercise, Department of Physical Education, Faculty of Physical Education and Sport, State University of Londrina, Londrina, Brazil
| | - Rafael Deminice
- Laboratory of Biochemistry Exercise, Department of Physical Education, Faculty of Physical Education and Sport, State University of Londrina, Londrina, Brazil
| | - Karsten Krüger
- Institute of Sports Science, Department of Exercise Physiology and Sports Therapy, University of Giessen, Giessen, Germany
| | - José Cesar Rosa-Neto
- Immunometabolism Research Group, Department of Cell Biology and Development, Institute of Biomedical Science, University of São Paulo, São Paulo, Brazil
| | - Fabio Santos Lira
- Exercise and Immunometabolism Research Group, Postgraduation Program in Movement Sciences, Department of Physical Education, Universidade Estadual Paulista (UNESP), Presidente Prudente, São Paulo, Brazil
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30
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Senatus L, MacLean M, Arivazhagan L, Egaña-Gorroño L, López-Díez R, Manigrasso MB, Ruiz HH, Vasquez C, Wilson R, Shekhtman A, Gugger PF, Ramasamy R, Schmidt AM. Inflammation Meets Metabolism: Roles for the Receptor for Advanced Glycation End Products Axis in Cardiovascular Disease. IMMUNOMETABOLISM 2021; 3:e210024. [PMID: 34178389 PMCID: PMC8232874 DOI: 10.20900/immunometab20210024] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Fundamental modulation of energy metabolism in immune cells is increasingly being recognized for the ability to impart important changes in cellular properties. In homeostasis, cells of the innate immune system, such as monocytes, macrophages and dendritic cells (DCs), are enabled to respond rapidly to various forms of acute cellular and environmental stress, such as pathogens. In chronic stress milieus, these cells may undergo a re-programming, thereby triggering processes that may instigate tissue damage and failure of resolution. In settings of metabolic dysfunction, moieties such as excess sugars (glucose, fructose and sucrose) accumulate in the tissues and may form advanced glycation end products (AGEs), which are signaling ligands for the receptor for advanced glycation end products (RAGE). In addition, cellular accumulation of cholesterol species such as that occurring upon macrophage engulfment of dead/dying cells, presents these cells with a major challenge to metabolize/efflux excess cholesterol. RAGE contributes to reduced expression and activities of molecules mediating cholesterol efflux. This Review chronicles examples of the roles that sugars and cholesterol, via RAGE, play in immune cells in instigation of maladaptive cellular signaling and the mediation of chronic cellular stress. At this time, emerging roles for the ligand-RAGE axis in metabolism-mediated modulation of inflammatory signaling in immune cells are being unearthed and add to the growing body of factors underlying pathological immunometabolism.
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Affiliation(s)
- Laura Senatus
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Michael MacLean
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Lakshmi Arivazhagan
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Lander Egaña-Gorroño
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Raquel López-Díez
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Michaele B. Manigrasso
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Henry H. Ruiz
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Carolina Vasquez
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Robin Wilson
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | | | - Paul F. Gugger
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Ravichandran Ramasamy
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Ann Marie Schmidt
- Diabetes Research Program, Department of Medicine, New York University Grossman School of Medicine, New York, NY 10016, USA
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31
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How Changes in the Nutritional Landscape Shape Gut Immunometabolism. Nutrients 2021; 13:nu13030823. [PMID: 33801480 PMCID: PMC7999246 DOI: 10.3390/nu13030823] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 02/25/2021] [Accepted: 02/26/2021] [Indexed: 12/13/2022] Open
Abstract
Cell survival, proliferation and function are energy-demanding processes, fuelled by different metabolic pathways. Immune cells like any other cells will adapt their energy production to their function with specific metabolic pathways characteristic of resting, inflammatory or anti-inflammatory cells. This concept of immunometabolism is revolutionising the field of immunology, opening the gates for novel therapeutic approaches aimed at altering immune responses through immune metabolic manipulations. The first part of this review will give an extensive overview on the metabolic pathways used by immune cells. Diet is a major source of energy, providing substrates to fuel these different metabolic pathways. Protein, lipid and carbohydrate composition as well as food additives can thus shape the immune response particularly in the gut, the first immune point of contact with food antigens and gastrointestinal tract pathogens. How diet composition might affect gut immunometabolism and its impact on diseases will also be discussed. Finally, the food ingested by the host is also a source of energy for the micro-organisms inhabiting the gut lumen particularly in the colon. The by-products released through the processing of specific nutrients by gut bacteria also influence immune cell activity and differentiation. How bacterial metabolites influence gut immunometabolism will be covered in the third part of this review. This notion of immunometabolism and immune function is recent and a deeper understanding of how lifestyle might influence gut immunometabolism is key to prevent or treat diseases.
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32
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Li J, Li M, Ye K, Jiang Q, Wang M, Wen X, Yang J. Chemical profile of Xian-He-Cao-Chang-Yan formula and its effects on ulcerative colitis. JOURNAL OF ETHNOPHARMACOLOGY 2021; 267:113517. [PMID: 33164773 DOI: 10.1016/j.jep.2020.113517] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 09/29/2020] [Accepted: 10/21/2020] [Indexed: 06/11/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Xian-He-Cao-Chang-Yan formula (XHCF) is consisting of six crude drugs including Agrimoniae Herba, Coptidis Rhizoma, Aucklandiae Radix, Cicadae Periostracum, Acori Tatarinowii Rhizoma, and Platycodonis Radix at the ratio of 5:1.5:1.5:1.5:1.5:1. It has been used to improve syndromes of ulcerative colitis (UC) for many years. AIM OF THE STUDY This study was designed to study the bioactive ingredients and therapeutic mechanisms of XHCF. MATERIALS AND METHODS The chemical profile of XHCF was characterized by UHPLC-QTOF-MS/MS. The effects and mechanisms of XHCF on UC were investigated in colitis mice induced by dextran sulfate sodium (DSS) and LPS-stimulated RAW 264.7 cells. RESULTS A total of 103 compounds were characterized in XHCF. XHCF could effectively improve acute colitis induced by DSS. More importantly, XHCF significantly decreased M1 macrophage markers (CD11c, IL-6 and IL-1β) whereas increased M2 macrophage markers (CD206) in colitis mice, suggesting it could regulate macrophage polarization. Furthermore, the levels of HK2 and lactic acid in colon tissues were significantly reduced by XHCF, indicating that XHCF could inhibit glycolysis. It also down-regulated HK2 expression in macrophages challenged by LPS. In addition, XHCF enhanced the phosphorylation of AMPK both in vivo and in vitro, suggesting the involvement of AMPK in XHCF function. CONCLUSIONS XHCF ameliorated DSS-induced colitis in mice via inhibition of M1 macrophage polarization, probably by the modulation of macrophage metabolic reprogramming via AMPK, contributing to its anti-inflammatory activity. The synergistic actions of multiple ingredients might be responsible for the therapeutic benefits of XHCF on UC.
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Affiliation(s)
- Jun Li
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China.
| | - Ming Li
- Department of Respiratory Medicine, Kunming Children's Hospital, Kunming, 650228 China
| | - Ke Ye
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China.
| | - Qixin Jiang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China.
| | - Mi Wang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China.
| | - Xiaodong Wen
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China.
| | - Jie Yang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, 210009, China.
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33
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Çetinarslan T, Türel Ermertcan A, Özyurt B, Gündüz K. Evaluation of the laboratory parameters in hidradenitis suppurativa: Can we use new inflammatory biomarkers? Dermatol Ther 2021; 34:e14835. [PMID: 33527638 DOI: 10.1111/dth.14835] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Revised: 01/22/2021] [Accepted: 01/23/2021] [Indexed: 11/30/2022]
Abstract
Hidradenitis suppurativa (HS) is a chronic, recurrent, and debilitating skin disease. Recent studies showed that inflammatory biomarkers, such as neutrophil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), Lymphocyte/HDL ratio (LHR), Neutrophil/HDL ratio (NHR), and Monocyte/HDL ratio (MHR) are an indicator of inflammatory diseases and may be associated with disease severity and disease activity. To investigate NLR, PLR, LHR, NHR, and MHR in HS patients. In addition, to compare erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), complete blood count, leukocyte profile, and biochemical parameters between the control and the patient group. Clinical and biochemical data of patients and healthy subjects were collected from medical records, retrospectively. In total, 166 patients with HS and 124 control subjects were included. We found no significant difference in NLR (P = .207) and PLR (P = .257). LHR (P < .001), NHR (P < .001), and MHR (P < .001) were significantly higher in the patient group. No positive correlation was found between any of these markers and disease severity according to Hurley staging system. However, MCV (Mean corpuscular volume), RDW (Red cell distribution width), and CRP showed a significant positive correlation with disease severity. Among these markers, only MHR was positively correlated with disease duration. Our study shows that CRP still maintains its value for HS patients compared to new inflammation markers. Unlike the studies in other inflammatory diseases, no significant relationship was found with most of these inflammatory parameters. MHR may be more useful in patients with HS as an indicator of inflammation compared to other parameters.
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Affiliation(s)
| | - Aylin Türel Ermertcan
- Medical Faculty, Department of Dermatology, Manisa Celal Bayar University, Manisa, Turkey
| | - Beyhan Özyurt
- Department of Public Health, Manisa Celal Bayar University, Manisa, Turkey
| | - Kamer Gündüz
- Medical Faculty, Department of Dermatology, Manisa Celal Bayar University, Manisa, Turkey
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34
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Jiang L, Wang P, Song X, Zhang H, Ma S, Wang J, Li W, Lv R, Liu X, Ma S, Yan J, Zhou H, Huang D, Cheng Z, Yang C, Feng L, Wang L. Salmonella Typhimurium reprograms macrophage metabolism via T3SS effector SopE2 to promote intracellular replication and virulence. Nat Commun 2021; 12:879. [PMID: 33563986 PMCID: PMC7873081 DOI: 10.1038/s41467-021-21186-4] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 01/11/2021] [Indexed: 12/14/2022] Open
Abstract
Salmonella Typhimurium establishes systemic infection by replicating in host macrophages. Here we show that macrophages infected with S. Typhimurium exhibit upregulated glycolysis and decreased serine synthesis, leading to accumulation of glycolytic intermediates. The effects on serine synthesis are mediated by bacterial protein SopE2, a type III secretion system (T3SS) effector encoded in pathogenicity island SPI-1. The changes in host metabolism promote intracellular replication of S. Typhimurium via two mechanisms: decreased glucose levels lead to upregulated bacterial uptake of 2- and 3-phosphoglycerate and phosphoenolpyruvate (carbon sources), while increased pyruvate and lactate levels induce upregulation of another pathogenicity island, SPI-2, known to encode virulence factors. Pharmacological or genetic inhibition of host glycolysis, activation of host serine synthesis, or deletion of either the bacterial transport or signal sensor systems for those host glycolytic intermediates impairs S. Typhimurium replication or virulence. Salmonella Typhimurium establishes systemic infection by replicating in host macrophages. Here, Jiang et al. show that infected macrophages exhibit upregulated glycolysis and decreased serine synthesis, leading to accumulation of glycolytic intermediates that promote intracellular replication and virulence of S. Typhimurium.
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Affiliation(s)
- Lingyan Jiang
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China
| | - Peisheng Wang
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China
| | - Xiaorui Song
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China
| | - Huan Zhang
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China
| | - Shuangshuang Ma
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China
| | - Jingting Wang
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China
| | - Wanwu Li
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China
| | - Runxia Lv
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China
| | - Xiaoqian Liu
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China
| | - Shuai Ma
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China
| | - Jiaqi Yan
- College of Life Sciences, Nankai University, Tianjin, China
| | - Haiyan Zhou
- CAS-Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - Di Huang
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China
| | - Zhihui Cheng
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China.,College of Life Sciences, Nankai University, Tianjin, China
| | - Chen Yang
- CAS-Key Laboratory of Synthetic Biology, CAS Center for Excellence in Molecular Plant Sciences, Shanghai Institute of Plant Physiology and Ecology, Chinese Academy of Sciences, Shanghai, China
| | - Lu Feng
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China. .,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China.
| | - Lei Wang
- The Key Laboratory of Molecular Microbiology and Technology, Ministry of Education, Nankai University, Tianjin, China. .,TEDA Institute of Biological Sciences and Biotechnology, Tianjin Key Laboratory of Microbial Functional Genomics, Nankai University, Tianjin, China. .,The Institute of Translational Medicine Research, Tianjin Union Medical Center, Nankai University Affiliated Hospital, Nankai University, Tianjin, China.
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35
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Davanso MR, Crisma AR, Braga TT, Masi LN, do Amaral CL, Leal VNC, de Lima DS, Patente TA, Barbuto JA, Corrêa-Giannella ML, Lauterbach M, Kolbe CC, Latz E, Camara NOS, Pontillo A, Curi R. Macrophage inflammatory state in Type 1 diabetes: triggered by NLRP3/iNOS pathway and attenuated by docosahexaenoic acid. Clin Sci (Lond) 2021; 135:19-34. [PMID: 33399849 DOI: 10.1042/cs20201348] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/01/2020] [Accepted: 12/02/2020] [Indexed: 12/13/2022]
Abstract
Type 1 diabetes mellitus (T1D) is a chronic autoimmune disease characterized by insulin-producing pancreatic β-cell destruction and hyperglycemia. While monocytes and NOD-like receptor family-pyrin domain containing 3 (NLRP3) are associated with T1D onset and development, the specific receptors and factors involved in NLRP3 inflammasome activation remain unknown. Herein, we evaluated the inflammatory state of resident peritoneal macrophages (PMs) from genetically modified non-obese diabetic (NOD), NLRP3-KO, wild-type (WT) mice and in peripheral blood mononuclear cells (PBMCs) from human T1D patients. We also assessed the effect of docosahexaenoic acid (DHA) on the inflammatory status. Macrophages from STZ-induced T1D mice exhibited increased inflammatory cytokine/chemokine levels, nitric oxide (NO) secretion, NLRP3 and iNOS protein levels, and augmented glycolytic activity compared to control animals. In PMs from NOD and STZ-induced T1D mice, DHA reduced NO production and attenuated the inflammatory state. Furthermore, iNOS and IL-1β protein expression levels and NO production were lower in the PMs from diabetic NLRP3-KO mice than from WT mice. We also observed increased IL-1β secretion in PBMCs from T1D patients and immortalized murine macrophages treated with advanced glycation end products and palmitic acid. The present study demonstrated that the resident PMs are in a proinflammatory state characterized by increased NLRP3/iNOS pathway-mediated NO production, up-regulated proinflammatory cytokine/chemokine receptor expression and altered glycolytic activity. Notably, ex vivo treatment with DHA reverted the diabetes-induced changes and attenuated the macrophage inflammatory state. It is plausible that DHA supplementation could be employed as adjuvant therapy for treating individuals with T1D.
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MESH Headings
- Adult
- Animals
- Anti-Inflammatory Agents/pharmacology
- Cells, Cultured
- Cytokines/metabolism
- Diabetes Mellitus, Experimental/chemically induced
- Diabetes Mellitus, Experimental/drug therapy
- Diabetes Mellitus, Experimental/enzymology
- Diabetes Mellitus, Experimental/immunology
- Diabetes Mellitus, Type 1/chemically induced
- Diabetes Mellitus, Type 1/drug therapy
- Diabetes Mellitus, Type 1/enzymology
- Diabetes Mellitus, Type 1/immunology
- Docosahexaenoic Acids/pharmacology
- Female
- Humans
- Inflammation/chemically induced
- Inflammation/drug therapy
- Inflammation/enzymology
- Inflammation/immunology
- Inflammation Mediators/metabolism
- Macrophage Activation/drug effects
- Macrophages, Peritoneal/drug effects
- Macrophages, Peritoneal/enzymology
- Macrophages, Peritoneal/immunology
- Male
- Mice, Inbred C57BL
- Mice, Inbred NOD
- Mice, Knockout
- Middle Aged
- NLR Family, Pyrin Domain-Containing 3 Protein/genetics
- NLR Family, Pyrin Domain-Containing 3 Protein/metabolism
- Nitric Oxide Synthase Type II/metabolism
- Pregnancy
- Signal Transduction
- Streptozocin
- Mice
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Affiliation(s)
- Mariana Rodrigues Davanso
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
- Laboratory of Immunogenetics, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
- Institute of Innate Immunity, University Hospital, University of Bonn, Bonn, Germany
| | - Amanda Rabello Crisma
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
- Laboratory of Physiology and Cell Signalling, Department of Clinical Analyses, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Tárcio Teodoro Braga
- Institute of Innate Immunity, University Hospital, University of Bonn, Bonn, Germany
- Department of Basic Pathology, Federal University of Parana, Curitiba, Parana, Brazil
| | - Laureane Nunes Masi
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
- Interdisciplinary Post-graduate Program in Health Sciences, Cruzeiro of Sul University, Sao Paulo, Sao Paulo, Brazil
| | - Cátia Lira do Amaral
- Campus of Exact Sciences and Technology, State University of Goias, Anapolis, Goias, Brazil
| | - Vinícius Nunes Cordeiro Leal
- Laboratory of Immunogenetics, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
| | - Dhêmerson Souza de Lima
- Laboratory of Immunogenetics, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
| | - Thiago Andrade Patente
- Laboratory of Tumour Immunology, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
| | - José Alexandre Barbuto
- Laboratory of Tumour Immunology, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
| | - Maria L Corrêa-Giannella
- Laboratory of Carbohydrates and Radioimmunoassay, Faculty of Medicine, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
- Post-graduation Program of Medicine, UNINOVE, Sao Paulo, Brazil
| | - Mario Lauterbach
- Institute of Innate Immunity, University Hospital, University of Bonn, Bonn, Germany
| | - Carl Christian Kolbe
- Institute of Innate Immunity, University Hospital, University of Bonn, Bonn, Germany
| | - Eicke Latz
- Institute of Innate Immunity, University Hospital, University of Bonn, Bonn, Germany
| | - Niels Olsen Saraiva Camara
- Laboratory of Immunology of Transplantation, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
| | - Alessandra Pontillo
- Laboratory of Immunogenetics, Department of Immunology, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
| | - Rui Curi
- Department of Physiology and Biophysics, Institute of Biomedical Sciences, University of Sao Paulo, Sao Paulo, Sao Paulo, Brazil
- Interdisciplinary Post-graduate Program in Health Sciences, Cruzeiro of Sul University, Sao Paulo, Sao Paulo, Brazil
- Butantan Institute, Sao Paulo, Sao Paulo, Brazil
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36
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Chen Y, Shen J. Mucosal immunity and tRNA, tRF, and tiRNA. J Mol Med (Berl) 2020; 99:47-56. [PMID: 33200232 DOI: 10.1007/s00109-020-02008-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/15/2020] [Accepted: 11/06/2020] [Indexed: 12/13/2022]
Abstract
Mucosal immunity has crucial roles in human diseases such as respiratory tract infection, inflammatory bowel diseases (IBD), and colorectal cancer (CRC). Recent studies suggest that the mononuclear phagocyte system, cancer cells, bacteria, and viruses induce the mucosal immune reaction by various pathways, and can be major factors in the pathogenesis of these diseases. Transfer RNA (tRNA) and its fragments, including tRNA-derived RNA fragments (tRFs) and tRNA-derived stress-induced RNAs (tiRNAs), have emerged as a hot topic in recent years. They not only are verified as essential for transcription and translation but also play roles in cellular homeostasis and functions, such as cell metastasis, proliferation, and apoptosis. However, the specific relationship between their biological regulation and mucosal immunity remains unclear to date. In the present review, we carry out a comprehensive discussion on the specific roles of tRNA, tRFs, and tiRNAs relevant to mucosal immunity and related diseases.
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Affiliation(s)
- Yueying Chen
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Inflammatory Bowel Disease Research Center, 160# Pu Jian Ave, Shanghai, 200127, China
- Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160# Pu Jian Ave, Shanghai, 200127, China
- Shanghai Institute of Digestive Disease, 160# Pu Jian Ave, Shanghai, 200127, China
| | - Jun Shen
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, Inflammatory Bowel Disease Research Center, 160# Pu Jian Ave, Shanghai, 200127, China.
- Renji Hospital, School of Medicine, Shanghai Jiao Tong University, 160# Pu Jian Ave, Shanghai, 200127, China.
- Shanghai Institute of Digestive Disease, 160# Pu Jian Ave, Shanghai, 200127, China.
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37
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Rogeri PS, Gasparini SO, Martins GL, Costa LKF, Araujo CC, Lugaresi R, Kopfler M, Lancha AH. Crosstalk Between Skeletal Muscle and Immune System: Which Roles Do IL-6 and Glutamine Play? Front Physiol 2020; 11:582258. [PMID: 33178046 PMCID: PMC7596683 DOI: 10.3389/fphys.2020.582258] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 09/16/2020] [Indexed: 12/14/2022] Open
Abstract
The skeletal muscle was always seen from biomechanical and biochemical views. It is well-established that an active muscle brings many benefits for different body organs and tissues, including the immune system. Since the 1970s, many studies have shown the importance of regular exercise and physical activity in increasing the body's ability to fight opportunist infections, as well as a strategy to fight established diseases. This interaction was mainly attributed to the glutamine, a non-essential amino acid produced by the active skeletal muscle and primarily consumed by rapidly dividing cells, including lymphocytes and monocytes/macrophages, as their main source of energy. Therefore, these cells' function would be significantly improved by the presence of a bigger glutamine pool, facilitating phagocytosis, antigen-presentation, proliferative capacity, cytokine synthesis and release, among other functions. Despite its importance, glutamine is not the only molecule to connect these two tissues. The presence of cytokines is crucial for a proper immune system function. Many of them have well-established pro-inflammatory properties, while others are known for their anti-inflammatory role. Interleukin-6 (IL-6), however, has been in the center of many scientific discussions since it can act as pro- and anti-inflammatory cytokine depending on the tissue that releases it. Skeletal muscle is an essential source of IL-6 with anti-inflammatory properties, regulating the function of the immune cells after tissue injury and the healing process. Therefore, this review aims to discuss further the role of these four components (glutamine, and interleukin-6, and its interface with monocytes/macrophages, and lymphocytes) on the communication between the skeletal muscle and the immune system.
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Affiliation(s)
| | | | | | | | | | | | | | - Antonio H. Lancha
- Laboratório de Nutrição e Metabolismo, Escola de Educação Física e Esporte da Universidade de São Paulo, EEFE-USP, São Paulo, Brazil
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38
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TAB1 regulates glycolysis and activation of macrophages in diabetic nephropathy. Inflamm Res 2020; 69:1215-1234. [PMID: 33044562 PMCID: PMC7658079 DOI: 10.1007/s00011-020-01411-4] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 09/09/2020] [Accepted: 10/03/2020] [Indexed: 12/13/2022] Open
Abstract
Objective and design Macrophages exhibit strong phenotypic plasticity and can mediate renal inflammation by polarizing into an M1 phenotype. They play a pivotal role in diabetic nephropathy (DN). Here, we have investigated the regulatory role of transforming growth factor β-activated kinase 1-binding protein 1 (TAB1) in glycolysis and activation of macrophages during DN. Methods TAB1 was inhibited using siRNA in high glucose (HG)-stimulated bone marrow-derived macrophages (BMMs) and lentiviral vector-mediated TAB1 knockdown was used in streptozotocin (STZ)-induced diabetic mice. Western blotting, flow cytometry, qRT-PCR, ELISA, PAS staining and immunohistochemical staining were used for assessment of TAB1/nuclear factor-κB (NF-κB)/hypoxia-inducible factor-1α (HIF-1α), iNOS, glycolysis, inflammation and the clinical and pathological manifestations of diabetic nephropathy. Results We found that TAB1/NF-κB/HIF-1α, iNOS and glycolysis were up-regulated in BMMs under HG conditions, leading to release of further inflammatory factors, Downregulation of TAB1 could inhibit glycolysis/polarization of macrophages and inflammation in vivo and in vitro. Furthermore, albuminuria, the tubulointerstitial damage index and glomerular mesangial expansion index of STZ-induced diabetic nephropathy mice were decreased by TAB1 knockdown. Conclusions Our results suggest that the TAB1/NF-κB/HIF-1α signaling pathway regulates glycolysis and activation of macrophages in DN. Electronic supplementary material The online version of this article (10.1007/s00011-020-01411-4) contains supplementary material, which is available to authorized users.
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39
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Summers KM, Bush SJ, Hume DA. Network analysis of transcriptomic diversity amongst resident tissue macrophages and dendritic cells in the mouse mononuclear phagocyte system. PLoS Biol 2020; 18:e3000859. [PMID: 33031383 PMCID: PMC7575120 DOI: 10.1371/journal.pbio.3000859] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 10/20/2020] [Accepted: 09/08/2020] [Indexed: 02/07/2023] Open
Abstract
The mononuclear phagocyte system (MPS) is a family of cells including progenitors, circulating blood monocytes, resident tissue macrophages, and dendritic cells (DCs) present in every tissue in the body. To test the relationships between markers and transcriptomic diversity in the MPS, we collected from National Center for Biotechnology Information Gene Expression Omnibus (NCBI-GEO) a total of 466 quality RNA sequencing (RNA-seq) data sets generated from mouse MPS cells isolated from bone marrow, blood, and multiple tissues. The primary data were randomly downsized to a depth of 10 million reads and requantified. The resulting data set was clustered using the network analysis tool BioLayout. A sample-to-sample matrix revealed that MPS populations could be separated based upon tissue of origin. Cells identified as classical DC subsets, cDC1s and cDC2s, and lacking Fcgr1 (encoding the protein CD64) were contained within the MPS cluster, no more distinct than other MPS cells. A gene-to-gene correlation matrix identified large generic coexpression clusters associated with MPS maturation and innate immune function. Smaller coexpression gene clusters, including the transcription factors that drive them, showed higher expression within defined isolated cells, including monocytes, macrophages, and DCs isolated from specific tissues. They include a cluster containing Lyve1 that implies a function in endothelial cell (EC) homeostasis, a cluster of transcripts enriched in intestinal macrophages, and a generic lymphoid tissue cDC cluster associated with Ccr7. However, transcripts encoding Adgre1, Itgax, Itgam, Clec9a, Cd163, Mertk, Mrc1, Retnla, and H2-a/e (encoding class II major histocompatibility complex [MHC] proteins) and many other proposed macrophage subset and DC lineage markers each had idiosyncratic expression profiles. Coexpression of immediate early genes (for example, Egr1, Fos, Dusp1) and inflammatory cytokines and chemokines (tumour necrosis factor [Tnf], Il1b, Ccl3/4) indicated that all tissue disaggregation and separation protocols activate MPS cells. Tissue-specific expression clusters indicated that all cell isolation procedures also co-purify other unrelated cell types that may interact with MPS cells in vivo. Comparative analysis of RNA-seq and single-cell RNA-seq (scRNA-seq) data from the same lung cell populations indicated that MPS heterogeneity implied by global cluster analysis may be even greater at a single-cell level. This analysis highlights the power of large data sets to identify the diversity of MPS cellular phenotypes and the limited predictive value of surface markers to define lineages, functions, or subpopulations.
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Affiliation(s)
- Kim M. Summers
- Mater Research Institute-University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
| | - Stephen J. Bush
- Nuffield Department of Clinical Medicine, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
| | - David A. Hume
- Mater Research Institute-University of Queensland, Translational Research Institute, Brisbane, Queensland, Australia
- * E-mail:
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40
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Bowen C, Childers G, Perry C, Martin N, McPherson CA, Lauten T, Santos J, Harry GJ. Mitochondrial-related effects of pentabromophenol, tetrabromobisphenol A, and triphenyl phosphate on murine BV-2 microglia cells. CHEMOSPHERE 2020; 255:126919. [PMID: 32402876 PMCID: PMC8439439 DOI: 10.1016/j.chemosphere.2020.126919] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 04/18/2020] [Accepted: 04/27/2020] [Indexed: 05/02/2023]
Abstract
The predominant reliance on bromated flame retardants (BFRs) is diminishing with expanded use of alternative organophosphate flame retardants. However, exposure related issues for susceptible populations, the developing, infirmed, or aged, remain given environmental persistence and home-environment detection. In this regard, reports of flame retardant (FR)-related effects on the innate immune system suggest process by which a spectrum of adverse health effects could manifest across the life-span. As representative of the nervous system innate immune system, the current study examined changes in microglia following exposure to representative FRs, pentabromophenol (PBP), tetrabromobisphenol A (2,2',6,6',-tetrabromo-4,4'-isopropylidine diphenol; TBBPA) and triphenyl phosphate (TPP). Following 18hr exposure of murine BV-2 cells, at dose levels resulting in ≥80% viability (10 and 40 μM), limited alterations in pro-inflammatory responses were observed however, changes were observed in mitochondrial respiration. Basal respiration was altered by PBP; ATP-linked respiration by PBP and TBBPA, and maximum respiration by all three FRs. Basal glycolytic rate was altered by PBP and TBBPA and compensatory glycolysis by all three. Phagocytosis was decreased for PBP and TBBPA. NLRP3 inflammasome activation was assessed using BV-2-ASC (apoptosis-associated speck-like protein containing a CARD) reporter cells to visualize aggregate formation. PBP, showed a direct stimulation of aggregate formation and properties as a NLRP3 inflammasome secondary trigger. TBBPA showed indications of possible secondary triggering activity while no changes were seen with TPP. Thus, the data suggests an effect of all three FRs on mitochondria metabolism yet, different functional outcomes including, phagocytic capability and NLRP3 inflammasome activation.
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Affiliation(s)
| | | | | | - Negin Martin
- Neurobiology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, USA
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41
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Bush SJ, McCulloch MEB, Lisowski ZM, Muriuki C, Clark EL, Young R, Pridans C, Prendergast JGD, Summers KM, Hume DA. Species-Specificity of Transcriptional Regulation and the Response to Lipopolysaccharide in Mammalian Macrophages. Front Cell Dev Biol 2020; 8:661. [PMID: 32793601 PMCID: PMC7386301 DOI: 10.3389/fcell.2020.00661] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 07/01/2020] [Indexed: 02/02/2023] Open
Abstract
Mammalian macrophages differ in their basal gene expression profiles and response to the toll-like receptor 4 (TLR4) agonist, lipopolysaccharide (LPS). In human macrophages, LPS elicits a temporal cascade of transient gene expression including feed forward activators and feedback regulators that limit the response. Here we present a transcriptional network analysis of the response of sheep bone marrow-derived macrophages (BMDM) to LPS based upon RNA-seq at 0, 2, 4, 7, and 24 h post-stimulation. The analysis reveals a conserved transcription factor network with humans, and rapid induction of feedback regulators that constrain the response at every level. The gene expression profiles of sheep BMDM at 0 and 7 h post LPS addition were compared to similar data obtained from goat, cow, water buffalo, horse, pig, mouse and rat BMDM. This comparison was based upon identification of 8,200 genes annotated in all species and detected at >10TPM in at least one sample. Analysis of expression of transcription factors revealed a conserved transcriptional millieu associated with macrophage differentiation and LPS response. The largest co-expression clusters, including genes encoding cell surface receptors, endosome–lysosome components and secretory activity, were also expressed in all species and the combined dataset defines a macrophage functional transcriptome. All of the large animals differed from rodents in lacking inducible expression of genes involved in arginine metabolism and nitric oxide production. Instead, they expressed inducible transporters and enzymes of tryptophan and kynurenine metabolism. BMDM from all species expressed high levels of transcripts encoding transporters and enzymes involved in glutamine metabolism suggesting that glutamine is a major metabolic fuel. We identify and discuss transcripts that were uniquely expressed or regulated in rodents compared to large animals including ACOD1, CXC and CC chemokines, CD163, CLEC4E, CPM, CSF1, CSF2, CTSK, MARCO, MMP9, SLC2A3, SLC7A7, and SUCNR1. Conversely, the data confirm the conserved regulation of multiple transcripts for which there is limited functional data from mouse models and knockouts. The data provide a resource for functional annotation and interpretation of loci involved in susceptibility to infectious and inflammatory disease in humans and large animal species.
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Affiliation(s)
- Stephen J Bush
- Nuffield Department of Clinical Medicine, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
| | - Mary E B McCulloch
- The Roslin Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Zofia M Lisowski
- The Roslin Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Charity Muriuki
- The Roslin Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Emily L Clark
- The Roslin Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Rachel Young
- The Roslin Institute, The University of Edinburgh, Edinburgh, United Kingdom
| | - Clare Pridans
- Centre for Inflammation Research, The University of Edinburgh, Edinburgh, United Kingdom.,Simons Initiative for the Developing Brain, Centre for Discovery Brain Sciences, The University of Edinburgh, Edinburgh, United Kingdom
| | | | - Kim M Summers
- Mater Research Institute-University of Queensland, Translational Research Institute, Woolloongabba, QLD, Australia
| | - David A Hume
- Mater Research Institute-University of Queensland, Translational Research Institute, Woolloongabba, QLD, Australia
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42
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Ramalho R, Rao M, Zhang C, Agrati C, Ippolito G, Wang FS, Zumla A, Maeurer M. Immunometabolism: new insights and lessons from antigen-directed cellular immune responses. Semin Immunopathol 2020; 42:279-313. [PMID: 32519148 PMCID: PMC7282544 DOI: 10.1007/s00281-020-00798-w] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 04/02/2020] [Indexed: 02/06/2023]
Abstract
Modulation of immune responses by nutrients is an important area of study in cellular biology and clinical sciences in the context of cancer therapies and anti-pathogen-directed immune responses in health and disease. We review metabolic pathways that influence immune cell function and cellular persistence in chronic infections. We also highlight the role of nutrients in altering the tissue microenvironment with lessons from the tumor microenvironment that shapes the quality and quantity of cellular immune responses. Multiple layers of biological networks, including the nature of nutritional supplements, the genetic background, previous exposures, and gut microbiota status have impact on cellular performance and immune competence against molecularly defined targets. We discuss how immune metabolism determines the differentiation pathway of antigen-specific immune cells and how these insights can be explored to devise better strategies to strengthen anti-pathogen-directed immune responses, while curbing unwanted, non-productive inflammation.
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Affiliation(s)
- Renata Ramalho
- Centro de Investigação Interdisciplinar Egas Moniz (CiiEM, U4585 FCT), Applied Nutrition Studies Group G.E.N.A.-IUEM), Instituto Universitário Egas Moniz, Egas Moniz Higher Education School, Monte de Caparica, Portugal
| | - Martin Rao
- ImmunoSurgery Unit, Champalimaud Centre for the Unknown, Lisbon, Portugal
| | - Chao Zhang
- Treatment and Research Center for Infectious Diseases, The Fifth Medical Center of PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | | | | | - Fu-Sheng Wang
- Treatment and Research Center for Infectious Diseases, The Fifth Medical Center of PLA General Hospital, National Clinical Research Center for Infectious Diseases, Beijing, China
| | - Alimuddin Zumla
- Division of Infection and Immunity, University College London and NIHR Biomedical Research Centre, UCL Hospitals NHS Foundation Trust, London, UK
| | - Markus Maeurer
- ImmunoSurgery Unit, Champalimaud Centre for the Unknown, Lisbon, Portugal.
- I Medizinische Klinik, Johannes Gutenberg University Mainz, Mainz, Germany.
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43
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Catala A, Youssef LA, Reisz JA, Dzieciatkowska M, Powers NE, Marchetti C, Karafin M, Zimring JC, Hudson KE, Hansen KC, Spitalnik SL, D'Alessandro A. Metabolic Reprogramming of Mouse Bone Marrow Derived Macrophages Following Erythrophagocytosis. Front Physiol 2020; 11:396. [PMID: 32425810 PMCID: PMC7204509 DOI: 10.3389/fphys.2020.00396] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Accepted: 04/02/2020] [Indexed: 01/24/2023] Open
Abstract
Reticuloendothelial macrophages engulf ∼0.2 trillion senescent erythrocytes daily in a process called erythrophagocytosis (EP). This critical mechanism preserves systemic heme-iron homeostasis by regulating red blood cell (RBC) catabolism and iron recycling. Although extensive work has demonstrated the various effects on macrophage metabolic reprogramming by stimulation with proinflammatory cytokines, little is known about the impact of EP on the macrophage metabolome and proteome. Thus, we performed mass spectrometry-based metabolomics and proteomics analyses of mouse bone marrow-derived macrophages (BMDMs) before and after EP of IgG-coated RBCs. Further, metabolomics was performed on BMDMs incubated with free IgG to ensure that changes to macrophage metabolism were due to opsonized RBCs and not to free IgG binding. Uniformly labeled tracing experiments were conducted on BMDMs in the presence and absence of IgG-coated RBCs to assess the flux of glucose through the pentose phosphate pathway (PPP). In this study, we demonstrate that EP significantly alters amino acid and fatty acid metabolism, the Krebs cycle, OXPHOS, and arachidonate-linoleate metabolism. Increases in levels of amino acids, lipids and oxylipins, heme products, and RBC-derived proteins are noted in BMDMs following EP. Tracing experiments with U-13C6 glucose indicated a slower flux through glycolysis and enhanced PPP activation. Notably, we show that it is fueled by glucose derived from the macrophages themselves or from the extracellular media prior to EP, but not from opsonized RBCs. The PPP-derived NADPH can then fuel the oxidative burst, leading to the generation of reactive oxygen species necessary to promote digestion of phagocytosed RBC proteins via radical attack. Results were confirmed by redox proteomics experiments, demonstrating the oxidation of Cys152 and Cys94 of glyceraldehyde 3-phosphate dehydrogenase (GAPDH) and hemoglobin-β, respectively. Significant increases in early Krebs cycle and C5-branched dibasic acid metabolites (α-ketoglutarate and 2-hydroxyglutarate, respectively) indicate that EP promotes the dysregulation of mitochondrial metabolism. Lastly, EP stimulated aminolevulinic acid (ALA) synthase and arginase activity as indicated by significant accumulations of ALA and ornithine after IgG-mediated RBC ingestion. Importantly, EP-mediated metabolic reprogramming of BMDMs does not occur following exposure to IgG alone. In conclusion, we show that EP reprograms macrophage metabolism and modifies macrophage polarization.
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Affiliation(s)
- Alexis Catala
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States.,Program in Structural Biology and Biochemistry, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Lyla A Youssef
- Department of Microbiology and Immunology, Columbia University, New York, NY, United States
| | - Julie A Reisz
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Monika Dzieciatkowska
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Nicholas E Powers
- Department of Medicine - Division of Infectious Diseases, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Carlo Marchetti
- Department of Medicine - Division of Infectious Diseases, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Matthew Karafin
- Medical Sciences Institute, Blood Center of Wisconsin (Versiti), Milwaukee, WI, United States
| | - James C Zimring
- Department of Pathology, University of Virginia, Charlottesville, VA, United States
| | - Krystalyn E Hudson
- Department of Pathology and Cell Biology, Columbia University, New York, NY, United States
| | - Kirk C Hansen
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
| | - Steven L Spitalnik
- Department of Pathology and Cell Biology, Columbia University, New York, NY, United States
| | - Angelo D'Alessandro
- Department of Biochemistry and Molecular Genetics, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States.,Department of Medicine - Division of Hematology, University of Colorado Denver - Anschutz Medical Campus, Aurora, CO, United States
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Costello CA, Hu T, Liu M, Zhang W, Furey A, Fan Z, Rahman P, Randell EW, Zhai G. Differential correlation network analysis identified novel metabolomics signatures for non-responders to total joint replacement in primary osteoarthritis patients. Metabolomics 2020; 16:61. [PMID: 32335722 PMCID: PMC7183485 DOI: 10.1007/s11306-020-01683-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Accepted: 04/17/2020] [Indexed: 12/27/2022]
Abstract
INTRODUCTION Up to one third of total joint replacement patients (TJR) experience poor surgical outcome. OBJECTIVES To identify metabolomic signatures for non-responders to TJR in primary osteoarthritis (OA) patients. METHODS A newly developed differential correlation network analysis method was applied to our previously published metabolomic dataset to identify metabolomic network signatures for non-responders to TJR. RESULTS Differential correlation networks involving 12 metabolites and 23 metabolites were identified for pain non-responders and function non-responders, respectively. CONCLUSION The differential networks suggest that inflammation, muscle breakdown, wound healing, and metabolic syndrome may all play roles in TJR response, warranting further investigation.
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Affiliation(s)
- Christie A Costello
- Discipline of Genetics, Faculty of Medicine, Memorial University of Newfoundland, St. John's, NL, A1B 3V6, Canada
| | - Ting Hu
- Department of Computer Science, Faculty of Science, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Ming Liu
- Discipline of Genetics, Faculty of Medicine, Memorial University of Newfoundland, St. John's, NL, A1B 3V6, Canada
| | - Weidong Zhang
- Discipline of Genetics, Faculty of Medicine, Memorial University of Newfoundland, St. John's, NL, A1B 3V6, Canada
- School of Pharmaceutical Sciences, Jilin University, Changchun, People's Republic of China
| | - Andrew Furey
- Division of Orthopaedic Surgery, Faculty of Medicine, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Zhaozhi Fan
- Department of Mathematics and Statistics, Faculty of Science, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Proton Rahman
- Discipline of Medicine, Faculty of Medicine, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Edward W Randell
- Discipline of Laboratory Medicine, Faculty of Medicine, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Guangju Zhai
- Discipline of Genetics, Faculty of Medicine, Memorial University of Newfoundland, St. John's, NL, A1B 3V6, Canada.
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Zhang R, Saredy J, Shao Y, Yao T, Liu L, Saaoud F, Yang WY, Sun Y, Johnson C, Drummer C, Fu H, Lu Y, Xu K, Liu M, Wang J, Cutler E, Yu D, Jiang X, Li Y, Li R, Wang L, Choi ET, Wang H, Yang X. End-stage renal disease is different from chronic kidney disease in upregulating ROS-modulated proinflammatory secretome in PBMCs - A novel multiple-hit model for disease progression. Redox Biol 2020; 34:101460. [PMID: 32179051 PMCID: PMC7327976 DOI: 10.1016/j.redox.2020.101460] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 01/28/2020] [Accepted: 02/07/2020] [Indexed: 12/17/2022] Open
Abstract
Background The molecular mechanisms underlying chronic kidney disease (CKD) transition to end-stage renal disease (ESRD) and CKD acceleration of cardiovascular and other tissue inflammations remain poorly determined. Methods We conducted a comprehensive data analyses on 7 microarray datasets in peripheral blood mononuclear cells (PBMCs) from patients with CKD and ESRD from NCBI-GEO databases, where we examined the expressions of 2641 secretome genes (SG). Results 1) 86.7% middle class (molecular weight >500 Daltons) uremic toxins (UTs) were encoded by SGs; 2) Upregulation of SGs in PBMCs in patients with ESRD (121 SGs) were significantly higher than that of CKD (44 SGs); 3) Transcriptomic analyses of PBMC secretome had advantages to identify more comprehensive secretome than conventional secretomic analyses; 4) ESRD-induced SGs had strong proinflammatory pathways; 5) Proinflammatory cytokines-based UTs such as IL-1β and IL-18 promoted ESRD modulation of SGs; 6) ESRD-upregulated co-stimulation receptors CD48 and CD58 increased secretomic upregulation in the PBMCs, which were magnified enormously in tissues; 7) M1-, and M2-macrophage polarization signals contributed to ESRD- and CKD-upregulated SGs; 8) ESRD- and CKD-upregulated SGs contained senescence-promoting regulators by upregulating proinflammatory IGFBP7 and downregulating anti-inflammatory TGF-β1 and telomere stabilizer SERPINE1/PAI-1; 9) ROS pathways played bigger roles in mediating ESRD-upregulated SGs (11.6%) than that in CKD-upregulated SGs (6.8%), and half of ESRD-upregulated SGs were ROS-independent. Conclusions Our analysis suggests novel secretomic upregulation in PBMCs of patients with CKD and ESRD, act synergistically with uremic toxins, to promote inflammation and potential disease progression. Our findings have provided novel insights on PBMC secretome upregulation to promote disease progression and may lead to the identification of new therapeutic targets for novel regimens for CKD, ESRD and their accelerated cardiovascular disease, other inflammations and cancers. (Total words: 279).
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Affiliation(s)
- Ruijing Zhang
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA; Department of Nephrology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030013, China; Department of Nephrology, The Affiliated People's Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030012, China
| | - Jason Saredy
- Centers for Metabolic Disease Research, Cardiovascular Research, & Thrombosis Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Ying Shao
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Tian Yao
- Shanxi Medical University, Taiyuan, Shanxi Province, 030001, China
| | - Lu Liu
- Centers for Metabolic Disease Research, Cardiovascular Research, & Thrombosis Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Fatma Saaoud
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | | | - Yu Sun
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Candice Johnson
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Charles Drummer
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Hangfei Fu
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Yifan Lu
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Keman Xu
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Ming Liu
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA; Shanxi Medical University, Taiyuan, Shanxi Province, 030001, China
| | - Jirong Wang
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Elizabeth Cutler
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA; School of Science and Engineering, Tulane University, New Orleans, LA, 70118, USA
| | - Daohai Yu
- Department of Clinical Sciences, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Xiaohua Jiang
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Yafeng Li
- Department of Nephrology, The Affiliated People's Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030012, China
| | - Rongshan Li
- Department of Nephrology, The Affiliated People's Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030012, China
| | - Lihua Wang
- Department of Nephrology, The Second Hospital of Shanxi Medical University, Taiyuan, Shanxi, 030013, China
| | - Eric T Choi
- Division of Vascular and Endovascular Surgery, Department of Surgery, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA; Centers for Metabolic Disease Research, Cardiovascular Research, & Thrombosis Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA; Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Hong Wang
- Centers for Metabolic Disease Research, Cardiovascular Research, & Thrombosis Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA; Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA
| | - Xiaofeng Yang
- Center for Inflammation, Translational & Clinical Lung Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA; Centers for Metabolic Disease Research, Cardiovascular Research, & Thrombosis Research, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA; Departments of Pharmacology, Microbiology and Immunology, Lewis Katz School of Medicine at Temple University, Philadelphia, PA, 19140, USA.
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Hörhold F, Eisel D, Oswald M, Kolte A, Röll D, Osen W, Eichmüller SB, König R. Reprogramming of macrophages employing gene regulatory and metabolic network models. PLoS Comput Biol 2020; 16:e1007657. [PMID: 32097424 PMCID: PMC7059956 DOI: 10.1371/journal.pcbi.1007657] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 03/06/2020] [Accepted: 01/14/2020] [Indexed: 12/20/2022] Open
Abstract
Upon exposure to different stimuli, resting macrophages undergo classical or alternative polarization into distinct phenotypes that can cause fatal dysfunction in a large range of diseases, such as systemic infection leading to sepsis or the generation of an immunosuppressive tumor microenvironment. Investigating gene regulatory and metabolic networks, we observed two metabolic switches during polarization. Most prominently, anaerobic glycolysis was utilized by M1-polarized macrophages, while the biosynthesis of inosine monophosphate was upregulated in M2-polarized macrophages. Moreover, we observed a switch in the urea cycle. Gene regulatory network models revealed E2F1, MYC, PPARγ and STAT6 to be the major players in the distinct signatures of these polarization events. Employing functional assays targeting these regulators, we observed the repolarization of M2-like cells into M1-like cells, as evidenced by their specific gene expression signatures and cytokine secretion profiles. The predicted regulators are essential to maintaining the M2-like phenotype and function and thus represent potential targets for the therapeutic reprogramming of immunosuppressive M2-like macrophages.
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Affiliation(s)
- Franziska Hörhold
- Center for Sepsis Control and Care, University Hospital, Jena, Germany
| | - David Eisel
- Research Group GMP & T Cell Therapy, German Cancer Research Center (DKFZ), Heidelberg, Germany
- Biopharmaceutical New Technologies (BioNTech) Corporation, Mainz, Germany
| | - Marcus Oswald
- Center for Sepsis Control and Care, University Hospital, Jena, Germany
| | - Amol Kolte
- Center for Sepsis Control and Care, University Hospital, Jena, Germany
| | - Daniela Röll
- Center for Sepsis Control and Care, University Hospital, Jena, Germany
| | - Wolfram Osen
- Research Group GMP & T Cell Therapy, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Stefan B. Eichmüller
- Research Group GMP & T Cell Therapy, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Rainer König
- Center for Sepsis Control and Care, University Hospital, Jena, Germany
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Gao P, Wang L, Yang N, Wen J, Zhao M, Su G, Zhang J, Weng D. Peroxisome proliferator-activated receptor gamma (PPARγ) activation and metabolism disturbance induced by bisphenol A and its replacement analog bisphenol S using in vitro macrophages and in vivo mouse models. ENVIRONMENT INTERNATIONAL 2020; 134:105328. [PMID: 31778932 DOI: 10.1016/j.envint.2019.105328] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 11/06/2019] [Accepted: 11/12/2019] [Indexed: 06/10/2023]
Abstract
Bisphenol A (BPA) and its replacement analog, bisphenol S (BPS), have been proposed as environmental obesogen to disrupt the lipid metabolism through regulating peroxisome proliferator-activated receptor gamma (PPARγ) receptor. However, there is a dearth of information on whether this biological effect can occur in human macrophage, a cell type which closely interacts with adipocytes and hepatocytes to control lipid metabolism. Here, we for the first time investigate the activity of BPA and BPS on PPARγ pathway in human macrophages. The results demonstrated that BPA and BPS served as activators of PPARγ in human macrophage cell line, and significantly induced the expression of lipid metabolism-related genes, including fatty acid binding protein 4 (FABP4), cluster of differentiation 36 (CD36) and nuclear receptor subfamily 1 group H member 3 (NR1H3). In PPARγ knockout cells, expression of these genes was down-regulated, suggesting that these genes are dependent on PPARγ. The underlying mechanisms were further investigated using an in vivo mouse model, and the results confirmed the induction of PPARγ and its respective target genes in mice following exposure to BPA or BPS. Moreover, the observed alteration of PPARγ expression highly correlated with the disturbance of metabolism profiles in liver tissues as detected by 1H Nuclear Magnetic Resonance (NMR)-based metabonomics. Overall, this study provided the first evidence that BPA and BPS activated PPARγ and its target genes in human macrophages, and provided comprehensive information to confirm that BPA and BPS disturb the metabolism through targeting PPARγ via both in vitro assays and in vivo animal models.
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Affiliation(s)
- Pingshi Gao
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Lei Wang
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Nanfei Yang
- State Key Laboratory of Pharmaceutical Biotechnology, Department of Rheumatology and Immunology, The Affiliated Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, School of Sciences, Nanjing University, Nanjing 210023, China
| | - Jingjing Wen
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Mengshu Zhao
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Guanyong Su
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China
| | - Jianfa Zhang
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China.
| | - Dan Weng
- School of Environmental and Biological Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei Street, Nanjing 210094, China.
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Giorgio M, Dellino GI, Gambino V, Roda N, Pelicci PG. On the epigenetic role of guanosine oxidation. Redox Biol 2020; 29:101398. [PMID: 31926624 PMCID: PMC6926346 DOI: 10.1016/j.redox.2019.101398] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 11/23/2019] [Accepted: 12/02/2019] [Indexed: 01/14/2023] Open
Abstract
Chemical modifications of DNA and RNA regulate genome functions or trigger mutagenesis resulting in aging or cancer. Oxidations of macromolecules, including DNA, are common reactions in biological systems and often part of regulatory circuits rather than accidental events. DNA alterations are particularly relevant since the unique role of nuclear and mitochondrial genome is coding enduring and inheritable information. Therefore, an alteration in DNA may represent a relevant problem given its transmission to daughter cells. At the same time, the regulation of gene expression allows cells to continuously adapt to the environmental changes that occur throughout the life of the organism to ultimately maintain cellular homeostasis. Here we review the multiple ways that lead to DNA oxidation and the regulation of mechanisms activated by cells to repair this damage. Moreover, we present the recent evidence suggesting that DNA damage caused by physiological metabolism acts as epigenetic signal for regulation of gene expression. In particular, the predisposition of guanine to oxidation might reflect an adaptation to improve the genome plasticity to redox changes.
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Affiliation(s)
- Marco Giorgio
- Department of Experimental Oncology, European Institute of Oncology-IRCCS, Via Adamello 16, 20139, Milano, Italy; Department of Biomedical Sciences, University of Padova, Via Ugo Bassi 58/B, 35131, Padova, Italy.
| | - Gaetano Ivan Dellino
- Department of Experimental Oncology, European Institute of Oncology-IRCCS, Via Adamello 16, 20139, Milano, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
| | - Valentina Gambino
- Department of Experimental Oncology, European Institute of Oncology-IRCCS, Via Adamello 16, 20139, Milano, Italy
| | - Niccolo' Roda
- Department of Experimental Oncology, European Institute of Oncology-IRCCS, Via Adamello 16, 20139, Milano, Italy
| | - Pier Giuseppe Pelicci
- Department of Experimental Oncology, European Institute of Oncology-IRCCS, Via Adamello 16, 20139, Milano, Italy; Department of Oncology and Hemato-Oncology, University of Milan, Milan, Italy
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Association of Age with the Expression of Hypoxia-Inducible Factors HIF-1α, HIF-2α, HIF-3α and VEGF in Lung and Heart of Tibetan Sheep. Animals (Basel) 2019; 9:ani9090673. [PMID: 31514457 PMCID: PMC6769909 DOI: 10.3390/ani9090673] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 08/30/2019] [Accepted: 09/05/2019] [Indexed: 12/14/2022] Open
Abstract
Simple Summary The heart and lung play an essential role in physiological homeostasis, especially in a hypoxic environment. The effect of aging on HIF-1α, HIF-2α, HIF-3α and VEGF expression in the heart and lung of Tibetan sheep that were adapted to hypoxia was evaluated in this study. We conclude that HIF-3a and VEGF are important in how the heart responds to hypoxia and that HIF-1a and HIF-2a may help mediate the adaptation by the sheep to hypoxia. The results suggested that the altered expression of these proteins due to hypoxia is regulated at the protein as well as gene levels. The expression of these proteins in alveolar macrophages suggests these cells play an important role in adaption to hypoxia. The research could provide insight into the role of inflammation in response to reduced alveolar PO2, and is useful in understanding how age influences the hypoxia adaption mechanisms of the heart and lung. This may allow a better understanding of chronic mountain sickness that is commonly observed in Tibetan people living at high altitude on the Qinghai-Tibetan plateau. Abstract Hypoxia-inducible factors (HIFs) play an important role in mediating the physiological response to low oxygen environments. However, whether the expression of HIFs changes with age is unknown. In the present study, the effect of aging on HIF-1α, HIF-2α, HIF-3α and VEGF expression in the heart and lung of 30 Tibetan sheep that were adapted to hypoxia was evaluated. The 30 sheep were subdivided into groups of 10 animals that were 1, 2 or 6 years of age. Immunohistochemistry for HIF-1α, HIF-2α, HIF-3α and VEGF revealed that the immunostaining intensity of VEGF protein in the heart and lung was significantly higher than the intensity of immunostaining against the HIFs (p < 0.05). HIF-1α and HIF-2α protein translocated into the nucleus of cardiac muscle cells. However, immunostaining for HIF-3α was restricted to the cytoplasm of the myocardial cells. Immunostaining for HIF-1α, HIF-2α, HIF-3α and VEGF was detected within alveolar macrophages. The concentration of HIF-1α and HIF-2α was higher in the lung of 1-year-old than 6-year-old sheep (p < 0.05). In contrast, HIF-3α and VEGF immunostaining was most prominent in the hearts of the oldest sheep. However, when RT-PCR was used to evaluate RNA within the tissues, the expression of all four studied genes was higher in the lung than in the heart in the 1-year-old sheep (p < 0.05). Furthermore, VEGF and HIF-3α gene expression was higher in the heart from 1-year old than 6-year old sheep (p < 0.05). However, in the lung, HIF-1α and HIF-2α gene expression was lower in 1-year old than 6-year old sheep (p < 0.05). We conclude that HIF-3α and VEGF may play be important in how the heart responds to hypoxia. Additionally, HIF-1α and HIF-2α may have a role in the adaptation of the lung to hypoxia. The expression of these proteins in alveolar macrophages suggests a potential role of these cells in the physiological response to hypoxia. These results are useful in understanding how age influences the hypoxia adaption mechanisms of the heart and lung and may help to better understand chronic mountain sickness that is commonly observed in Tibetan people living on the Qinghai-Tibetan plateau.
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Zhang Y, Ma L, Hu X, Ji J, Mor G, Liao A. The role of the PD-1/PD-L1 axis in macrophage differentiation and function during pregnancy. Hum Reprod 2019; 34:25-36. [PMID: 30500923 DOI: 10.1093/humrep/dey347] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2018] [Accepted: 11/01/2018] [Indexed: 12/21/2022] Open
Abstract
STUDY QUESTION What is the role of the programmed cell death-1 (PD-1)/PD-1 ligand-1 (PD-L1) axis in macrophage polarization during early pregnancy? SUMMARY ANSWER PD-1 signaling is a major regulator of macrophage differentiation and function, and it is critical for the success of a pregnancy. WHAT IS KNOWN ALREADY The predominance of decidual macrophages (DMs) with an M2 phenotype is an important contributor to maternal-fetal tolerance during early pregnancy. STUDY DESIGN, SIZE, DURATION Twenty-four women with recurrent miscarriage (RM) and 70 women undergoing elective termination of an early normal pregnancy (NP) were included. Twelve female CBA/J, four male DBA/2, and four male BALB/c mice were included and mating carried out. The 12 CBA/J pregnant mice were then categorized into three groups of four mice: healthy control group CBA/J×BALB/c, abortion-prone pregnant group CBA/J×DBA/2 and normal pregnancies CBA/J×BALB/c treated with anti-PD-1 monoclonal antibodies. PARTICIPANTS/MATERIALS, SETTING, METHODS The profile of DMs, and the expression of PD-1 and PD-L1 in DMs from women with NP and RM were measured by flow cytometry. PD-L1 expression in human villi was determined by quantitative RT-PCR (qRT-PCR) and western blot. An in vitro model consisting of peripheral CD14+ monocytes isolated from women with NP was used. The profile of differentiated macrophages and their phagocytotic activity were then measured by flow cytometry. The mRNA levels of genes potentially underlying macrophage polarization modulated by PD-1 signaling were determined by qRT-PCR. Twelve pregnant mice were included in our in vivo model and underwent different treatment. The embryo resorption rate, and macrophage profile as well as PD-1 expression in murine spleens and uterus were analyzed by flow cytometry. MAIN RESULTS AND THE ROLE OF CHANCE Compared with NP, women with RM had elevated percentages of M1 DMs (P < 0.01), and reduced frequencies of M2 DMs (P < 0.05), as well as decreased PD-1 protein expression (P < 0.05) in the DMs. In addition, decreased mRNA and protein levels of PD-L1 expression in placental villi were observed in women with RM (P < 0.001). Using in vitro experiments, compared to the control group, we found that PD-1 activation by recombinant human (rh) PD-L1 Fc (human PD-L1 fused to the Fc region of human IgG1) drove the differentiation of macrophages with immuno-modulatory characteristics (P < 0.01). However, PD-1 blockade promoted dominance of the M1 phenotype (P < 0.01). PD-1 polarized macrophages showed enhanced phagocytic activity (P < 0.01), which was decreased with PD-1 blockade (P < 0.001). Furthermore, PD-1 blockade promoted the expression of pro-inflammatory cytokines and interferon regulatory factor (IRF) 5 (P < 0.05), while IRF4 expression was inhibited (P < 0.05). In addition, PD-1 blockade promoted macrophage glycolysis (P < 0.01) and inhibited fatty acid oxidation (P < 0.05). The mRNA expression levels of both phosphoinositide 3-kinase/protein kinase B/mammalian target of rapamycin and mitogen-activated protein kinase/extracellular signal-regulated kinase/extracellular signal-regulated kinase were upregulated (P < 0.05) with PD-1 blockade during DM metabolic reprogramming. Moreover, in vivo mice data showed that PD-1 blockade or deficiency was associated with decreased M2 percentages at the maternal-fetal interface (P < 0.05) and embryo loss (P < 0.05). LARGE SCALE DATA N/A. LIMITATIONS, REASONS FOR CAUTION Whether the changes in DM polarization seen in miscarriage tissues are a cause or consequence of the demise of the pregnancy still requires further investigation. In addition, conducting metabolite analysis is required to further measure bioenergetic profiles. WIDER IMPLICATIONS OF THE FINDINGS This is the first study on the role of the PD-1/PD-L1 axis in macrophage polarization during early pregnancy; such exploration enhances our understanding of the physiology of early pregnancy. Our study also indicates that targeting the PD-1 pathway may represent a novel therapeutic strategy to prevent pregnancy loss. STUDY FUNDING/COMPETING INTEREST(S) This study was supported by the National Nature Science Foundation of China (No. 81671490) and Integrated Innovative Team for Major Human Diseases Program of Tongji Medical College, HUST (No. 5001519002). None of the authors has any conflict of interest to declare.
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Affiliation(s)
- Yonghong Zhang
- Family Planning Research Institute, Center for Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China.,Division of Reproductive Sciences, Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, New Haven, CT, USA
| | - Lina Ma
- Family Planning Research Institute, Center for Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Xiaohui Hu
- Family Planning Research Institute, Center for Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Jinlu Ji
- Family Planning Research Institute, Center for Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
| | - Gil Mor
- Division of Reproductive Sciences, Department of Obstetrics, Gynecology and Reproductive Sciences, Yale University School of Medicine, New Haven, CT, USA
| | - Aihua Liao
- Family Planning Research Institute, Center for Reproductive Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, PR China
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