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Nayak A, Panda SS, Dwivedi I, Meena S, Aich P. Role of gut microbial-derived metabolites and other select agents on adipocyte browning. Biochem Biophys Res Commun 2024; 737:150518. [PMID: 39142136 DOI: 10.1016/j.bbrc.2024.150518] [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: 07/04/2024] [Revised: 07/26/2024] [Accepted: 08/06/2024] [Indexed: 08/16/2024]
Abstract
AIMS Metabolic disease is a multifaceted condition characterized by the disruption of numerous metabolic parameters within the host. Its prevalence has surged significantly in recent years and it has become a prominent non-communicable disease worldwide. The effect of gut microbiota on various beige fat induction is well studied, while the mechanisms behind the link remain unclear. Given that gut microbiota-derived metabolites (meta-metabolites) secreted in the gut serve as a key mode of communication with their host through direct circulation or indirect host physiology modification, understanding the effect of meta-metabolites on adipose tissue is essential. METHODOLOGY In our previous in-vivo studies, we observed a correlation between gut microbiota and the formation of beige fat. In this study, we further aimed to validate this correlation by treating the adipocyte cell line (3T3-L1) with meta-metabolites collected from the cecum of mice exhibiting beige adipose tissue formation. Additionally, we treated the adipocyte cell line with known beige fat inducers (L-Rhamnose and Ginsenoside) to assess meta-metabolites' efficacy on beige fat formation. KEY FINDINGS Upon treatment with the meta-metabolites from the antibiotic-treated mice, we observed a significant increase in lipid metabolism and beige-specific gene expression. Analyzing the metabolites in these cells revealed that a set of metabolites potentially govern adipocytes, contributing to a metabolically active state. These effects were at par or even better than those of cells treated with L-Rhamnose or Ginsenoside. SIGNIFICANCE This research sheds light on the intricate interplay between microbial metabolites and adipose tissue, offering valuable clues for understanding and potentially manipulating these processes for therapeutic purposes.
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Affiliation(s)
- Akankshya Nayak
- School of Biological Sciences, National Institute of Science Education and Research (NISER), Jatni, 752050, India; Homi Bhabha National Institute, Training School Complex, Mumbai, 400094, India; Centre for Interdisciplinary Science (CIS), National Institute of Science Education and Research (NISER), Jatni, 752050, India
| | - Swati Sagarika Panda
- School of Biological Sciences, National Institute of Science Education and Research (NISER), Jatni, 752050, India; Homi Bhabha National Institute, Training School Complex, Mumbai, 400094, India; Centre for Interdisciplinary Science (CIS), National Institute of Science Education and Research (NISER), Jatni, 752050, India
| | - Isha Dwivedi
- School of Biological Sciences, National Institute of Science Education and Research (NISER), Jatni, 752050, India; Homi Bhabha National Institute, Training School Complex, Mumbai, 400094, India; Centre for Interdisciplinary Science (CIS), National Institute of Science Education and Research (NISER), Jatni, 752050, India
| | - Shivani Meena
- School of Biological Sciences, National Institute of Science Education and Research (NISER), Jatni, 752050, India; Homi Bhabha National Institute, Training School Complex, Mumbai, 400094, India; Centre for Interdisciplinary Science (CIS), National Institute of Science Education and Research (NISER), Jatni, 752050, India
| | - Palok Aich
- School of Biological Sciences, National Institute of Science Education and Research (NISER), Jatni, 752050, India; Homi Bhabha National Institute, Training School Complex, Mumbai, 400094, India; Centre for Interdisciplinary Science (CIS), National Institute of Science Education and Research (NISER), Jatni, 752050, India.
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Zhang X, Gao Y, Mai Z, Li Y, Wang J, Zhao X, Zhang Y. Untargeted Metabolomic Analysis Reveals Plasma Differences between Mares with Endometritis and Healthy Ones. Animals (Basel) 2024; 14:1933. [PMID: 38998045 PMCID: PMC11240781 DOI: 10.3390/ani14131933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/22/2024] [Accepted: 06/26/2024] [Indexed: 07/14/2024] Open
Abstract
The aim of this study was to explore alterations in plasma metabolites among mares afflicted with endometritis. Mares were divided into two groups, namely, the equine endometritis group (n = 8) and the healthy control group (n = 8), which included four pregnant and four non-pregnant mares, using a combination of clinical assessment and laboratory confirmation. Plasma samples from both groups of mares were analyzed through untargeted liquid chromatography-tandem mass spectrometry (LC-MS/MS) metabolomics. A total of 28 differentially abundant metabolites were identified by screening and identifying differentially abundant metabolites and analyzing the pathway enrichment of differentially. Ten metabolites were identified as potential biomarkers for the diagnosis of endometritis in mares. Among them, seven exhibited a decrease in the endometritis groups, including hexadecanedioic acid, oleoyl ethanolamide (OEA), [fahydroxy(18:0)]12_13-dihydroxy-9z-octa (12,13-diHOME), deoxycholic acid 3-glucuronide (DCA-3G), 2-oxindole, and (+/-)9-HPODE, and 13(S)-HOTRE. On the other hand, three metabolites, adenosine 5'-monophosphate (AMP), 5-hydroxy-dl-tryptophan (5-HTP), and l-formylkynurenine, demonstrated an increase. These substances primarily participate in the metabolism of tryptophan and linolenic acid, as well as fat and energy. In conclusion, metabolomics revealed differentially abundant metabolite changes in patients with mare endometritis. These specific metabolites can be used as potential biomarkers for the non-invasive diagnosis of mare endometritis.
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Affiliation(s)
- Xijun Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (X.Z.); (Y.G.); (Z.M.); (Y.L.)
- Gansu Key Laboratory of Animal Generational Physiology and Reproductive Regulation, Lanzhou 730070, China
| | - Yujin Gao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (X.Z.); (Y.G.); (Z.M.); (Y.L.)
| | - Zhanhai Mai
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (X.Z.); (Y.G.); (Z.M.); (Y.L.)
| | - Yina Li
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (X.Z.); (Y.G.); (Z.M.); (Y.L.)
| | - Jiamian Wang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (X.Z.); (Y.G.); (Z.M.); (Y.L.)
| | - Xingxu Zhao
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (X.Z.); (Y.G.); (Z.M.); (Y.L.)
- Gansu Key Laboratory of Animal Generational Physiology and Reproductive Regulation, Lanzhou 730070, China
| | - Yong Zhang
- College of Veterinary Medicine, Gansu Agricultural University, Lanzhou 730070, China; (X.Z.); (Y.G.); (Z.M.); (Y.L.)
- Gansu Key Laboratory of Animal Generational Physiology and Reproductive Regulation, Lanzhou 730070, China
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Hu X, Yuan X, Zhang G, Song H, Ji P, Guo Y, Liu Z, Tian Y, Shen R, Wang D. The intestinal epithelial-macrophage-crypt stem cell axis plays a crucial role in regulating and maintaining intestinal homeostasis. Life Sci 2024; 344:122452. [PMID: 38462226 DOI: 10.1016/j.lfs.2024.122452] [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: 11/23/2023] [Revised: 01/18/2024] [Accepted: 01/18/2024] [Indexed: 03/12/2024]
Abstract
The intestinal tract plays a vital role in both digestion and immunity, making its equilibrium crucial for overall health. This equilibrium relies on the dynamic interplay among intestinal epithelial cells, macrophages, and crypt stem cells. Intestinal epithelial cells play a pivotal role in protecting and regulating the gut. They form vital barriers, modulate immune responses, and engage in pathogen defense and cytokine secretion. Moreover, they supervise the regulation of intestinal stem cells. Macrophages, serving as immune cells, actively influence the immune response through the phagocytosis of pathogens and the release of cytokines. They also contribute to regulating intestinal stem cells. Stem cells, known for their self-renewal and differentiation abilities, play a vital role in repairing damaged intestinal epithelium and maintaining homeostasis. Although research has primarily concentrated on the connections between epithelial and stem cells, interactions with macrophages have been less explored. This review aims to fill this gap by exploring the roles of the intestinal epithelial-macrophage-crypt stem cell axis in maintaining intestinal balance. It seeks to unravel the intricate dynamics and regulatory mechanisms among these essential players. A comprehensive understanding of these cell types' functions and interactions promises insights into intestinal homeostasis regulation. Moreover, it holds potential for innovative approaches to manage conditions like radiation-induced intestinal injury, inflammatory bowel disease, and related diseases.
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Affiliation(s)
- Xiaohui Hu
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Xinyi Yuan
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Guokun Zhang
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Haoyun Song
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Pengfei Ji
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Yanan Guo
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Zihua Liu
- Lanzhou University Second Hospital, Lanzhou University, Lanzhou, Gansu Province 73000, China
| | - Yixiao Tian
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Rong Shen
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China.
| | - Degui Wang
- School of Basic Medical Sciences, Lanzhou University, Lanzhou, Gansu Province 73000, China; NHC Key Laboratory of Diagnosis and Therapy of Gastrointestinal Tumor, Lanzhou, Gansu Province 730000, China.
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Bag S, Oetjen J, Shaikh S, Chaudhary A, Arun P, Mukherjee G. Impact of spatial metabolomics on immune-microenvironment in oral cancer prognosis: a clinical report. Mol Cell Biochem 2024; 479:41-49. [PMID: 36966422 DOI: 10.1007/s11010-023-04713-3] [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: 10/21/2022] [Accepted: 03/15/2023] [Indexed: 03/27/2023]
Abstract
MALDI imaging for metabolites and immunohistochemistry for 38 immune markers was used to characterize the spatial biology of 2 primary oral tumours, one from a patient with an early recurrence (Tumour R), and the other from a patient with no recurrence 2 years after treatment completion (Tumour NR). Tumour R had an increased purine nucleotide metabolism in different regions of tumour and adenosine-mediated suppression of immune cells compared to Tumour NR. The differentially expressed markers in the different spatial locations in tumour R were CD33, CD163, TGF-β, COX2, PD-L1, CD8 and CD20. These results suggest that altered tumour metabolomics concomitant with a modified immune microenvironment could be a potential marker of recurrence.
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Affiliation(s)
- Swarnendu Bag
- Tata Medical Center, Newtown, Kolkata, 700 160, India
- CSIR-Institute of Genomics and Integrative Biology (IGIB), Mall Road, New Delhi, 110 007, India
| | | | - Soni Shaikh
- Tata Medical Center, Newtown, Kolkata, 700 160, India
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Branco ACC, Rogers LM, Aronoff DM. Folate Receptor Beta Signaling in the Regulation of Macrophage Antimicrobial Immune Response: A Scoping Review. Biomed Hub 2024; 9:31-37. [PMID: 38406385 PMCID: PMC10890800 DOI: 10.1159/000536186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 01/05/2024] [Indexed: 02/27/2024] Open
Abstract
Introduction Folate, vitamin B9, is a water-soluble vitamin that is essential to cellular proliferation and division. In addition to the reduced folate carrier, eukaryotic cells take up folate through endocytosis mediated by one of two GPI-anchored folate receptors (FRs), FRα or FRβ. Two other isoforms of FR exist, FRγ and FRδ, neither of which support endocytic activities of FR signaling. FRβ is expressed primarily by monocytes and macrophages and highly expressed on activated macrophages. Macrophage expression of FRβ suggests a role for this receptor in modulating function of these immune sentinels, particularly as they engage in inflammatory processes. Despite several studies suggesting that folates can suppress inflammatory responses of macrophages to proinflammatory stimuli, there appears to be a lack of basic research examining the role of FRβ in modulating macrophage responses to microbial sensing. We therefore conducted a scoping review to assess evidence within the published literature addressing the question, "what is known about the extent to which FRβ regulates macrophage responses to sensing, and responding to, microorganisms?". Methods As a strategy for the study selection, we queried articles indexed in the research database PubMed and the search engine Google Scholar (up until August 12, 2023), including combinations of the research words: macrophage, folate receptor beta, FOLR2. Results We identified 2 relevant articles out of 153 that are worth discussing here, none of which directly addressed our research question. Conclusion There is an unmet need to better define the contribution of FRβ to regulating the macrophage response to microbes.
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Affiliation(s)
- Anna C.C. Castelo Branco
- Division of Infectious Diseases, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
- Department of Immunology, Institute of Biomedical Sciences, University of São Paulo, São Paulo, Brazil
- Laboratory of Dermatology and Immunodeficiencies (LIM56), Institute of Tropical Medicine, University of São Paulo, São Paulo, Brazil
| | - Lisa M. Rogers
- Division of Infectious Diseases, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - David M. Aronoff
- Division of Infectious Diseases, Department of Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
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Jia D, Li Y, Wang Y, Guo Y, Liu J, Zhao S, Wang J, Guan G, Luo J, Yin H, Tang L, Li Y. Probiotic Bacillus licheniformis ZW3 Alleviates DSS-Induced Colitis and Enhances Gut Homeostasis. Int J Mol Sci 2024; 25:561. [PMID: 38203732 PMCID: PMC10778761 DOI: 10.3390/ijms25010561] [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: 11/25/2023] [Revised: 12/21/2023] [Accepted: 12/28/2023] [Indexed: 01/12/2024] Open
Abstract
Despite Bacillus species having been extensively utilized in the food industry and biocontrol as part of probiotic preparations, limited knowledge exists regarding their impact on intestinal disorders. In this study, we investigated the effect of Bacillus licheniformis ZW3 (ZW3), a potential probiotic isolated from camel feces, on dextran sulfate sodium (DSS)-induced colitis. The results showed ZW3 partially mitigated body weight loss, disease activity index (DAI), colon shortening, and suppressed immune response in colitis mice, as evidenced by the reduction in the levels of the inflammatory markers IL-1β, TNF-α, and IL-6 (p < 0.05). ZW3 was found to ameliorate DSS-induced dysfunction of the colonic barrier by enhancing mucin 2 (MUC2), zonula occluden-1 (ZO-1), and occludin. Furthermore, enriched beneficial bacteria Lachnospiraceae_NK4A136_group and decreased harmful bacteria Escherichia-Shigella revealed that ZW3 improved the imbalanced gut microbiota. Abnormally elevated uric acid levels in colitis were further normalized upon ZW3 supplementation. Overall, this study emphasized the protective effects of ZW3 in colitis mice as well as some potential applications in the management of inflammation-related diseases.
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Affiliation(s)
- Dan Jia
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (D.J.); (Y.L.); (Y.W.); (Y.G.); (J.L.); (S.Z.); (J.W.); (G.G.); (J.L.); (H.Y.)
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Yingying Li
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (D.J.); (Y.L.); (Y.W.); (Y.G.); (J.L.); (S.Z.); (J.W.); (G.G.); (J.L.); (H.Y.)
| | - Yingjie Wang
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (D.J.); (Y.L.); (Y.W.); (Y.G.); (J.L.); (S.Z.); (J.W.); (G.G.); (J.L.); (H.Y.)
| | - Yanan Guo
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (D.J.); (Y.L.); (Y.W.); (Y.G.); (J.L.); (S.Z.); (J.W.); (G.G.); (J.L.); (H.Y.)
| | - Junlong Liu
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (D.J.); (Y.L.); (Y.W.); (Y.G.); (J.L.); (S.Z.); (J.W.); (G.G.); (J.L.); (H.Y.)
| | - Shuaiyang Zhao
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (D.J.); (Y.L.); (Y.W.); (Y.G.); (J.L.); (S.Z.); (J.W.); (G.G.); (J.L.); (H.Y.)
| | - Jinming Wang
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (D.J.); (Y.L.); (Y.W.); (Y.G.); (J.L.); (S.Z.); (J.W.); (G.G.); (J.L.); (H.Y.)
| | - Guiquan Guan
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (D.J.); (Y.L.); (Y.W.); (Y.G.); (J.L.); (S.Z.); (J.W.); (G.G.); (J.L.); (H.Y.)
| | - Jianxun Luo
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (D.J.); (Y.L.); (Y.W.); (Y.G.); (J.L.); (S.Z.); (J.W.); (G.G.); (J.L.); (H.Y.)
| | - Hong Yin
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (D.J.); (Y.L.); (Y.W.); (Y.G.); (J.L.); (S.Z.); (J.W.); (G.G.); (J.L.); (H.Y.)
| | - Lijie Tang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Youquan Li
- State Key Laboratory of Veterinary Etiological Biology, Key Laboratory of Veterinary Parasitology of Gansu Province, Lanzhou Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Lanzhou 730046, China; (D.J.); (Y.L.); (Y.W.); (Y.G.); (J.L.); (S.Z.); (J.W.); (G.G.); (J.L.); (H.Y.)
- College of Coastal Agricultural Sciences, Department of Veterinary Medicine, Guangdong Ocean University, Zhanjiang 524088, China
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Volpedo G, Oljuskin T, Cox B, Mercado Y, Askwith C, Azodi N, Bernier M, Nakhasi HL, Gannavaram S, Satoskar AR. Leishmania mexicana promotes pain-reducing metabolomic reprogramming in cutaneous lesions. iScience 2023; 26:108502. [PMID: 38125023 PMCID: PMC10730346 DOI: 10.1016/j.isci.2023.108502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 03/30/2023] [Accepted: 11/17/2023] [Indexed: 12/23/2023] Open
Abstract
Cutaneous leishmaniasis (CL) is characterized by extensive skin lesions, which are usually painless despite being associated with extensive inflammation. The molecular mechanisms responsible for this analgesia have not been identified. Through untargeted metabolomics, we found enriched anti-nociceptive metabolic pathways in L. mexicana-infected mice. Purines were elevated in infected macrophages and at the lesion site during chronic infection. These purines have anti-inflammatory and analgesic properties by acting through adenosine receptors, inhibiting TRPV1 channels, and promoting IL-10 production. We also found arachidonic acid (AA) metabolism enriched in the ear lesions compared to the non-infected controls. AA is a metabolite of anandamide (AEA) and 2-arachidonoylglycerol (2-AG). These endocannabinoids act on cannabinoid receptors 1 and 2 and TRPV1 channels to exert anti-inflammatory and analgesic effects. Our study provides evidence of metabolic pathways upregulated during L. mexicana infection that may mediate anti-nociceptive effects experienced by CL patients and identifies macrophages as a source of these metabolites.
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Affiliation(s)
- Greta Volpedo
- Department of Microbiology, The Ohio State University, Columbus, OH 43210, USA
- Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA
| | - Timur Oljuskin
- Animal Parasitic Disease Lab, Agricultural Research Service, USDA, Beltsville, MD, USA
| | - Blake Cox
- Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA
| | - Yulian Mercado
- Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA
| | - Candice Askwith
- Department of Neuroscience, The Ohio State University, Columbus, OH 43210, USA
| | - Nazli Azodi
- Division of Emerging and Transfusion Transmitted Diseases, CBER, FDA, Silver Spring, MD, USA
| | - Matthew Bernier
- Mass Spectrometry and Proteomics Facility, The Ohio State University, Columbus, OH 43210, USA
| | - Hira L. Nakhasi
- Division of Emerging and Transfusion Transmitted Diseases, CBER, FDA, Silver Spring, MD, USA
| | - Sreenivas Gannavaram
- Division of Emerging and Transfusion Transmitted Diseases, CBER, FDA, Silver Spring, MD, USA
| | - Abhay R. Satoskar
- Department of Microbiology, The Ohio State University, Columbus, OH 43210, USA
- Department of Pathology, Wexner Medical Center, The Ohio State University, Columbus, OH 43210, USA
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Zou H, Zhang B, Liang H, Li C, Chen J, Wu Y. Defence mechanisms of Pinctada fucata martensii to Vibrio parahaemolyticus infection: Insights from proteomics and metabolomics. FISH & SHELLFISH IMMUNOLOGY 2023; 143:109204. [PMID: 37931889 DOI: 10.1016/j.fsi.2023.109204] [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: 09/06/2023] [Revised: 10/28/2023] [Accepted: 10/30/2023] [Indexed: 11/08/2023]
Abstract
Survival of pearl oysters is not only challenged by coastal pollution, but also pathogen infection that may eventually incur substantial economic losses in the pearl farming industry. Yet, whether pearl oysters can defend themselves against pathogen infection through molecular mechanisms remains largely unexplored. By using iTRAQ proteomic and metabolomic analyses, we analysed the proteins and metabolites in the serum of pearl oysters (Pinctada fucata martensii) when stimulated by pathogenic bacteria (Vibrio parahaemolyticus). Proteomic results found that a total of 2,242 proteins were identified in the experimental (i.e., Vibrio-stimulated) and control groups, where 166 of them were differentially expressed (120 upregulated and 46 downregulated in the experimental group). Regarding the immune response enrichment results, the pathway of signal transduction was significantly enriched, such as cytoskeleton and calcium signalling pathways. Proteins, including cathepsin L, heat shock protein 20, myosin and astacin-like protein, also contributed to the immune response of oysters. Pathogen stimulation also altered the metabolite profile of oysters, where 49 metabolites associated with metabolism of energy, fatty acids and amino acids were found. Integrated analysis suggests that the oysters could respond to pathogen infection by coordinating multiple cellular processes. Thus, the proteins and metabolites identified herein not only represent valuable genetic resources for developing molecular biomarkers and genetic breeding research, but also open new avenues for studies on the molecular defence mechanisms of pearl oysters to pathogen infection.
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Affiliation(s)
- Hexin Zou
- Fisheries College of Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Bin Zhang
- Fisheries College of Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Haiying Liang
- Fisheries College of Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China; Guangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, Zhanjiang, Guangdong, 524088, China.
| | - Chaojie Li
- Fisheries College of Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Jie Chen
- Fisheries College of Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
| | - Yifan Wu
- Fisheries College of Guangdong Ocean University, Zhanjiang, Guangdong, 524088, China
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Qin XY, Ha SY, Chen L, Zhang T, Li MQ. Recent Advances in Folates and Autoantibodies against Folate Receptors in Early Pregnancy and Miscarriage. Nutrients 2023; 15:4882. [PMID: 38068740 PMCID: PMC10708193 DOI: 10.3390/nu15234882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/13/2023] [Accepted: 11/14/2023] [Indexed: 12/18/2023] Open
Abstract
Though firstly identified in cerebral folate deficiency, autoantibodies against folate receptors (FRAbs) have been implicated in pregnancy complications such as miscarriage; however, the underlying mechanism needs to be further elaborated. FRAbs can be produced via sensitization mediated by folate-binding protein as well as gene mutation, aberrant modulation, or degradation of folate receptors (FRs). FRAbs may interfere with folate internalization and metabolism through blocking or binding with FRs. Interestingly, different types of FRs are expressed on trophoblast cells, decidual epithelium or stroma, and macrophages at the maternal-fetal interface, implying FRAbs may be involved in the critical events necessary for a successful pregnancy. Thus, we propose that FRAbs may disturb pregnancy establishment and maintenance by modulating trophoblastic biofunctions, placental development, decidualization, and decidua homeostasis as well as the functions of FOLR2+ macrophages. In light of these findings, FRAbs may be a critical factor in pathological pregnancy, and deserve careful consideration in therapies involving folic acid supplementation for pregnancy complications.
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Affiliation(s)
- Xue-Yun Qin
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, China; (X.-Y.Q.); (S.-Y.H.)
| | - Si-Yao Ha
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, China; (X.-Y.Q.); (S.-Y.H.)
| | - Lu Chen
- Assisted Reproductive Technology Unit, Department of Obstetrics and Gynecology, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong 999077, China;
| | - Tao Zhang
- Assisted Reproductive Technology Unit, Department of Obstetrics and Gynecology, Faculty of Medicine, Chinese University of Hong Kong, Hong Kong 999077, China;
| | - Ming-Qing Li
- Laboratory for Reproductive Immunology, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, China; (X.-Y.Q.); (S.-Y.H.)
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Hospital of Obstetrics and Gynecology, Fudan University, Shanghai 200080, China
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10
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Sun Z, Kang J, Yang S, Zhang Y, Huang N, Zhang X, Du G, Jiang J, Ning B. CD73 inhibits titanium particle-associated aseptic loosening by alternating activation of macrophages. Int Immunopharmacol 2023; 122:110561. [PMID: 37451018 DOI: 10.1016/j.intimp.2023.110561] [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: 04/13/2023] [Revised: 06/09/2023] [Accepted: 06/22/2023] [Indexed: 07/18/2023]
Abstract
Aseptic inflammation is a major cause of late failure in total joint arthroplasty, and the primary factor contributing to the development and perpetuation of aseptic inflammation is classical macrophage activation (M1 phenotype polarization) induced by wear particles. CD73 (ecto-5'-nucleotidase) is an immunosuppressive factor that establishes an adenosine-induced anti-inflammatory environment. Although CD73 has been shown to suppress inflammation by promoting alternate macrophage activation (M2 phenotype polarization), its role in wear particle-induced aseptic inflammation is currently unknown. Our experiments were based on metabolomic assay results in a mouse model of aseptic loosening, and studied the function of CD73 in vivo and in vitro using a mouse aseptic loosening model and a mouse bone marrow derived macrophage (BMDM) inflammation model. Results show that aseptic loosening (AL) reduces the purine metabolic pathway and decreases the native expression of the metabolite adenosine. In vivo, CD73 expression was low in the bone tissue surrounding the titanium nail and synovial-like interface tissue, while in vitro experiments demonstrated that CD73 knockdown promoted titanium particles-induced aseptic inflammation. CD73 overexpression mitigated the titanium particle-mediated enhancement of LPS-induced M1 polarization while promoting the titanium particle-mediated attenuation of IL-4-induced M2 polarization. In BMDM exposed to titanium particles, CD73 promotes M2 polarization via the p38 pathway. Meanwhile, local injection of recombinant mouse CD73 protein slightly alleviated the progression of AL. Collectively, our data suggest that CD73 alleviates the process of AL, and this function is achieved by promoting alternate activation of macrophages.
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Affiliation(s)
- Zhengfang Sun
- Central Hospital Affiliated to Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong Province, China
| | - Jianning Kang
- Central Hospital Affiliated to Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong Province, China
| | - Shuye Yang
- Department of Traumatic Orthopedics, Binzhou Medical University Hospital, Binzhou Medical University, Binzhou, Shandong Province, China
| | - Ying Zhang
- Central Hospital Affiliated to Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong Province, China
| | - Nana Huang
- Central Hospital Affiliated to Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong Province, China
| | - Xiaodi Zhang
- School of Clinical Medicine, Weifang Medical University, Weifang, Shandong Province, China
| | - Gangqiang Du
- Department of Traumatic Orthopedics, Binzhou Medical University Hospital, Binzhou Medical University, Binzhou, Shandong Province, China
| | - Jianhao Jiang
- Department of Spinal Surgery, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, China; Department of Traumatic Orthopedics, Binzhou Medical University Hospital, Binzhou Medical University, Binzhou, Shandong Province, China.
| | - Bin Ning
- Central Hospital Affiliated to Shandong First Medical University, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong Province, China; Department of Spinal Surgery, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong Province, China.
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11
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Ohradanova-Repic A, Praženicová R, Gebetsberger L, Moskalets T, Skrabana R, Cehlar O, Tajti G, Stockinger H, Leksa V. Time to Kill and Time to Heal: The Multifaceted Role of Lactoferrin and Lactoferricin in Host Defense. Pharmaceutics 2023; 15:1056. [PMID: 37111542 PMCID: PMC10146187 DOI: 10.3390/pharmaceutics15041056] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 03/16/2023] [Accepted: 03/21/2023] [Indexed: 04/29/2023] Open
Abstract
Lactoferrin is an iron-binding glycoprotein present in most human exocrine fluids, particularly breast milk. Lactoferrin is also released from neutrophil granules, and its concentration increases rapidly at the site of inflammation. Immune cells of both the innate and the adaptive immune system express receptors for lactoferrin to modulate their functions in response to it. On the basis of these interactions, lactoferrin plays many roles in host defense, ranging from augmenting or calming inflammatory pathways to direct killing of pathogens. Complex biological activities of lactoferrin are determined by its ability to sequester iron and by its highly basic N-terminus, via which lactoferrin binds to a plethora of negatively charged surfaces of microorganisms and viruses, as well as to mammalian cells, both normal and cancerous. Proteolytic cleavage of lactoferrin in the digestive tract generates smaller peptides, such as N-terminally derived lactoferricin. Lactoferricin shares some of the properties of lactoferrin, but also exhibits unique characteristics and functions. In this review, we discuss the structure, functions, and potential therapeutic uses of lactoferrin, lactoferricin, and other lactoferrin-derived bioactive peptides in treating various infections and inflammatory conditions. Furthermore, we summarize clinical trials examining the effect of lactoferrin supplementation in disease treatment, with a special focus on its potential use in treating COVID-19.
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Affiliation(s)
- Anna Ohradanova-Repic
- Institute for Hygiene and Applied Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
| | - Romana Praženicová
- Laboratory of Molecular Immunology, Institute of Molecular Biology, Slovak Academy of Sciences, 845 51 Bratislava, Slovakia
| | - Laura Gebetsberger
- Institute for Hygiene and Applied Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
| | - Tetiana Moskalets
- Laboratory of Molecular Immunology, Institute of Molecular Biology, Slovak Academy of Sciences, 845 51 Bratislava, Slovakia
| | - Rostislav Skrabana
- Laboratory of Structural Biology of Neurodegeneration, Institute of Neuroimmunology, Slovak Academy of Sciences, 845 10 Bratislava, Slovakia
| | - Ondrej Cehlar
- Laboratory of Structural Biology of Neurodegeneration, Institute of Neuroimmunology, Slovak Academy of Sciences, 845 10 Bratislava, Slovakia
| | - Gabor Tajti
- Institute for Hygiene and Applied Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
| | - Hannes Stockinger
- Institute for Hygiene and Applied Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
| | - Vladimir Leksa
- Institute for Hygiene and Applied Immunology, Center for Pathophysiology, Infectiology and Immunology, Medical University of Vienna, 1090 Vienna, Austria
- Laboratory of Molecular Immunology, Institute of Molecular Biology, Slovak Academy of Sciences, 845 51 Bratislava, Slovakia
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12
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Zhou Y, Tada M, Cai Z, Andhey PS, Swain A, Miller KR, Gilfillan S, Artyomov MN, Takao M, Kakita A, Colonna M. Human early-onset dementia caused by DAP12 deficiency reveals a unique signature of dysregulated microglia. Nat Immunol 2023; 24:545-557. [PMID: 36658241 PMCID: PMC9992145 DOI: 10.1038/s41590-022-01403-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 12/07/2022] [Indexed: 01/21/2023]
Abstract
The TREM2-DAP12 receptor complex sustains microglia functions. Heterozygous hypofunctional TREM2 variants impair microglia, accelerating late-onset Alzheimer's disease. Homozygous inactivating variants of TREM2 or TYROBP-encoding DAP12 cause Nasu-Hakola disease (NHD), an early-onset dementia characterized by cerebral atrophy, myelin loss and gliosis. Mechanisms underpinning NHD are unknown. Here, single-nucleus RNA-sequencing analysis of brain specimens from DAP12-deficient NHD individuals revealed a unique microglia signature indicating heightened RUNX1, STAT3 and transforming growth factor-β signaling pathways that mediate repair responses to injuries. This profile correlated with a wound healing signature in astrocytes and impaired myelination in oligodendrocytes, while pericyte profiles indicated vascular abnormalities. Conversely, single-nuclei signatures in mice lacking DAP12 signaling reflected very mild microglial defects that did not recapitulate NHD. We envision that DAP12 signaling in microglia attenuates wound healing pathways that, if left unchecked, interfere with microglial physiological functions, causing pathology in human. The identification of a dysregulated NHD microglia signature sparks potential therapeutic strategies aimed at resetting microglia signaling pathways.
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Affiliation(s)
- Yingyue Zhou
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Mari Tada
- Department of Pathology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Zhangying Cai
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Prabhakar S Andhey
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Amanda Swain
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Kelly R Miller
- 10x Genomics, Pleasanton, CA, USA
- Deepcell, Menlo Park, CA, USA
| | - Susan Gilfillan
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Maxim N Artyomov
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | - Masaki Takao
- Department of Clinical Laboratory and Internal Medicine, National Center of Neurology and Psychiatry (NCNP), National Center Hospital, Tokyo, Japan
- Department of Brain Bank, Mihara Memorial Hospital, Isesaki, Japan
| | - Akiyoshi Kakita
- Department of Pathology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Marco Colonna
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA.
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13
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Trovato FM, Zia R, Artru F, Mujib S, Jerome E, Cavazza A, Coen M, Wilson I, Holmes E, Morgan P, Singanayagam A, Bernsmeier C, Napoli S, Bernal W, Wendon J, Miquel R, Menon K, Patel VC, Smith J, Atkinson SR, Triantafyllou E, McPhail MJW. Lysophosphatidylcholines modulate immunoregulatory checkpoints in peripheral monocytes and are associated with mortality in people with acute liver failure. J Hepatol 2023; 78:558-573. [PMID: 36370949 DOI: 10.1016/j.jhep.2022.10.031] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 10/17/2022] [Accepted: 10/19/2022] [Indexed: 11/11/2022]
Abstract
BACKGROUND & AIMS Acute liver failure (ALF) is a life-threatening disease characterised by high-grade inflammation and immunoparesis, which is associated with a high incidence of death from sepsis. Herein, we aimed to describe the metabolic dysregulation in ALF and determine whether systemic immune responses are modulated via the lysophosphatidylcholine (LPC)-autotaxin (ATX)-lysophosphatidylcholinic acid (LPA) pathway. METHODS Ninety-six individuals with ALF, 104 with cirrhosis, 31 with sepsis and 71 healthy controls (HCs) were recruited. Pathways of interest were identified by multivariate statistical analysis of proton nuclear magnetic resonance spectroscopy and untargeted ultraperformance liquid chromatography-mass spectrometry-based lipidomics. A targeted metabolomics panel was used for validation. Peripheral blood mononuclear cells were cultured with LPA 16:0, 18:0, 18:1, and their immune checkpoint surface expression was assessed by flow cytometry. Transcript-level expression of the LPA receptor (LPAR) in monocytes was investigated and the effect of LPAR antagonism was also examined in vitro. RESULTS LPC 16:0 was highly discriminant between ALF and HC. There was an increase in ATX and LPA in individuals with ALF compared to HCs and those with sepsis. LPCs 16:0, 18:0 and 18:1 were reduced in individuals with ALF and were associated with a poor prognosis. Treatment of monocytes with LPA 16:0 increased their PD-L1 expression and reduced CD155, CD163, MerTK levels, without affecting immune checkpoints on T and NK/CD56+T cells. LPAR1 and 3 antagonism in culture reversed the effect of LPA on monocyte expression of MerTK and CD163. MerTK and CD163, but not LPAR genes, were differentially expressed and upregulated in monocytes from individuals with ALF compared to controls. CONCLUSION Reduced LPC levels are biomarkers of poor prognosis in individuals with ALF. The LPC-ATX-LPA axis appears to modulate innate immune response in ALF via LPAR1 and LPAR3. Further investigations are required to identify novel therapeutic agents targeting these receptors. IMPACT AND IMPLICATIONS We identified a metabolic signature of acute liver failure (ALF) and investigated the immunometabolic role of the lysophosphatidylcholine-autotaxin-lysophosphatidylcholinic acid pathway, with the aim of finding a mechanistic explanation for monocyte behaviour and identifying possible therapeutic targets (to modulate the systemic immune response in ALF). At present, no selective immune-based therapies exist. We were able to modulate the phenotype of monocytes in vitro and aim to extend these findings to murine models of ALF as a next step. Future therapies may be based on metabolic modulation; thus, the role of specific lipids in this pathway require elucidation and the relative merits of autotaxin inhibition, lysophosphatidylcholinic acid receptor blockade or lipid-based therapies need to be determined. Our findings begin to bridge this knowledge gap and the methods used herein could be useful in identifying therapeutic targets as part of an experimental medicine approach.
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Affiliation(s)
- Francesca M Trovato
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, Kings College London, UK; Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK.
| | - Rabiya Zia
- Section of Hepatology and Gastroenterology, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College, London, UK
| | - Florent Artru
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, Kings College London, UK; Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK
| | - Salma Mujib
- Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK
| | - Ellen Jerome
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, Kings College London, UK; Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK
| | - Anna Cavazza
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, Kings College London, UK; Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK
| | - Muireann Coen
- Section of Hepatology and Gastroenterology, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College, London, UK; Oncology Safety, Clinical Pharmacology & Safety Sciences, R&D, Astra Zeneca, Cambridge, UK
| | - Ian Wilson
- Section of Hepatology and Gastroenterology, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College, London, UK
| | - Elaine Holmes
- Section of Hepatology and Gastroenterology, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College, London, UK
| | - Phillip Morgan
- Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK
| | - Arjuna Singanayagam
- Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK; Infection Clinical Academic Group, St.George's University of London, UK
| | - Christine Bernsmeier
- Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK; Department of Biomedicine, University of Basel and University Centre for Gastrointestinal and Liver Diseases, Basel, Switzerland
| | - Salvatore Napoli
- Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK
| | - William Bernal
- Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK
| | - Julia Wendon
- Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK
| | - Rosa Miquel
- Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK
| | - Krishna Menon
- Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK
| | - Vishal C Patel
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, Kings College London, UK; Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK; The Roger Williams Institute of Hepatology London, Foundation for Liver Research, London, UK
| | - John Smith
- Anaesthetics, Critical Care, Emergency and Trauma Research Delivery Unit, Kings College Hospital, London, UK
| | - Stephen R Atkinson
- Section of Hepatology and Gastroenterology, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College, London, UK
| | - Evangelos Triantafyllou
- Section of Hepatology and Gastroenterology, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College, London, UK
| | - Mark J W McPhail
- Department of Inflammation Biology, School of Immunology and Microbial Sciences, Kings College London, UK; Institute of Liver Studies, Kings College Hospital, Denmark Hill, London, UK
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14
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The origins of resident macrophages in mammary gland influence the tumorigenesis of breast cancer. Int Immunopharmacol 2022; 110:109047. [DOI: 10.1016/j.intimp.2022.109047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 07/06/2022] [Accepted: 07/08/2022] [Indexed: 11/05/2022]
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15
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Fearon U, Hanlon MM, Floudas A, Veale DJ. Cellular metabolic adaptations in rheumatoid arthritis and their therapeutic implications. Nat Rev Rheumatol 2022; 18:398-414. [PMID: 35440762 DOI: 10.1038/s41584-022-00771-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/04/2022] [Indexed: 12/16/2022]
Abstract
Activation of endothelium and immune cells is fundamental to the initiation of autoimmune diseases such as rheumatoid arthritis (RA), and it results in trans-endothelial cell migration and synovial fibroblast proliferation, leading to joint destruction. In RA, the synovial microvasculature is highly dysregulated, resulting in inefficient oxygen perfusion to the synovium, which, along with the high metabolic demands of activated immune and stromal cells, leads to a profoundly hypoxic microenvironment. In inflamed joints, infiltrating immune cells and synovial resident cells have great requirements for energy and nutrients, and they adapt their metabolic profiles to generate sufficient energy to support their highly activated inflammatory states. This shift in metabolic capacity of synovial cells enables them to produce the essential building blocks to support their proliferation, activation and invasiveness. Furthermore, it results in the accumulation of metabolic intermediates and alteration of redox-sensitive pathways, affecting signalling pathways that further potentiate the inflammatory response. Importantly, the inflamed synovium is a multicellular tissue, with cells differing in their metabolic requirements depending on complex cell-cell interactions, nutrient supply, metabolic intermediates and transcriptional regulation. Therefore, understanding the complex interplay between metabolic and inflammatory pathways in synovial cells in RA will provide insight into the underlying mechanisms of disease pathogenesis.
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Affiliation(s)
- Ursula Fearon
- Molecular Rheumatology, Trinity Biomedical Sciences Institute, TCD, Dublin, Ireland. .,EULAR Centre of Excellence, Centre for Arthritis and Rheumatic Diseases, St Vincent's University Hospital, Dublin, Ireland.
| | - Megan M Hanlon
- Molecular Rheumatology, Trinity Biomedical Sciences Institute, TCD, Dublin, Ireland.,EULAR Centre of Excellence, Centre for Arthritis and Rheumatic Diseases, St Vincent's University Hospital, Dublin, Ireland
| | - Achilleas Floudas
- Molecular Rheumatology, Trinity Biomedical Sciences Institute, TCD, Dublin, Ireland.,EULAR Centre of Excellence, Centre for Arthritis and Rheumatic Diseases, St Vincent's University Hospital, Dublin, Ireland
| | - Douglas J Veale
- EULAR Centre of Excellence, Centre for Arthritis and Rheumatic Diseases, St Vincent's University Hospital, Dublin, Ireland
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16
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Steinz MM, Ezdoglian A, Khodadust F, Molthoff CFM, Srinivasarao M, Low PS, Zwezerijnen GJC, Yaqub M, Beaino W, Windhorst AD, Tas SW, Jansen G, van der Laken CJ. Folate Receptor Beta for Macrophage Imaging in Rheumatoid Arthritis. Front Immunol 2022; 13:819163. [PMID: 35185910 PMCID: PMC8849105 DOI: 10.3389/fimmu.2022.819163] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Accepted: 01/11/2022] [Indexed: 12/30/2022] Open
Abstract
Non-invasive imaging modalities constitute an increasingly important tool in diagnostic and therapy response monitoring of patients with autoimmune diseases, including rheumatoid arthritis (RA). In particular, macrophage imaging with positron emission tomography (PET) using novel radiotracers based on differential expression of plasma membrane proteins and functioning of cellular processes may be suited for this. Over the past decade, selective expression of folate receptor β (FRβ), a glycosylphosphatidylinositol-anchored plasma membrane protein, on myeloid cells has emerged as an attractive target for macrophage imaging by exploiting the high binding affinity of folate-based PET tracers. This work discusses molecular, biochemical and functional properties of FRβ, describes the preclinical development of a folate-PET tracer and the evaluation of this tracer in a translational model of arthritis for diagnostics and therapy-response monitoring, and finally the first clinical application of the folate-PET tracer in RA patients with active disease. Consequently, folate-based PET tracers hold great promise for macrophage imaging in a variety of (chronic) inflammatory (autoimmune) diseases beyond RA.
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Affiliation(s)
- Maarten M Steinz
- Department of Rheumatology and Clinical Immunology, Amsterdam University Medical Center, VU University Medical Center (VUmc), Amsterdam, Netherlands
| | - Aiarpi Ezdoglian
- Department of Rheumatology and Clinical Immunology, Amsterdam University Medical Center, VU University Medical Center (VUmc), Amsterdam, Netherlands
| | - Fatemeh Khodadust
- Department of Rheumatology and Clinical Immunology, Amsterdam University Medical Center, VU University Medical Center (VUmc), Amsterdam, Netherlands
| | - Carla F M Molthoff
- Department of Radiology & Nuclear Medicine, Amsterdam University Medical Center, VU, Amsterdam, Netherlands
| | | | - Philip S Low
- Department of Chemistry, Purdue University, West Lafayette, IN, United States
| | - Gerben J C Zwezerijnen
- Department of Radiology & Nuclear Medicine, Amsterdam University Medical Center, VU, Amsterdam, Netherlands
| | - Maqsood Yaqub
- Department of Radiology & Nuclear Medicine, Amsterdam University Medical Center, VU, Amsterdam, Netherlands
| | - Wissam Beaino
- Department of Radiology & Nuclear Medicine, Amsterdam University Medical Center, VU, Amsterdam, Netherlands
| | - Albert D Windhorst
- Department of Radiology & Nuclear Medicine, Amsterdam University Medical Center, VU, Amsterdam, Netherlands
| | - Sander W Tas
- Department of Rheumatology and Clinical Immunology, Amsterdam University Medical Center, AMC, Amsterdam, Netherlands
| | - Gerrit Jansen
- Department of Rheumatology and Clinical Immunology, Amsterdam University Medical Center, VU University Medical Center (VUmc), Amsterdam, Netherlands
| | - Conny J van der Laken
- Department of Rheumatology and Clinical Immunology, Amsterdam University Medical Center, VU University Medical Center (VUmc), Amsterdam, Netherlands
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17
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Liao X, Chang E, Tang X, Watanabe I, Zhang R, Jeong HW, Adams RH, Jain MK. Cardiac macrophages regulate isoproterenol-induced Takotsubo-like cardiomyopathy. JCI Insight 2022; 7:156236. [PMID: 35132957 PMCID: PMC8855841 DOI: 10.1172/jci.insight.156236] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 12/15/2021] [Indexed: 12/24/2022] Open
Abstract
Takotsubo syndrome (TTS) is an acute, stress-induced cardiomyopathy that occurs predominantly in women after extreme physical and/or emotional stress. To date, our understanding of the molecular basis for TTS remains unknown and, consequently, specific therapies are lacking. Myocardial infiltration of monocytes and macrophages in TTS has been documented in clinical studies. However, the functional importance of these findings remains poorly understood. Here, we show that a single high dose of isoproterenol (ISO) in mice induced a TTS-like cardiomyopathy phenotype characterized by female predominance, severe cardiac dysfunction, and robust myocardial infiltration of macrophages. Single-cell RNA-Seq studies of myocardial immune cells revealed that TTS-like cardiomyopathy is associated with complex activation of innate and adaptive immune cells in the heart, and macrophages were identified as the dominant immune cells. Global macrophage depletion (via clodronate liposome administration) or blockade of macrophage infiltration (via a CCR2 antagonist or in CCR2-KO mice) resulted in recovery of cardiac dysfunction in ISO-challenged mice. In addition, damping myeloid cell activation by HIF1α deficiency or exposure to the immunomodulatory agent bortezomib ameliorated ISO-induced cardiac dysfunction. Collectively, our findings identify macrophages as a critical regulator of TTS pathogenesis that can be targeted for therapeutic gain.
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Affiliation(s)
- Xudong Liao
- Case Cardiovascular Research Institute, Case Western Reserve University School of Medicine, Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Eugene Chang
- Case Cardiovascular Research Institute, Case Western Reserve University School of Medicine, Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Xinmiao Tang
- Case Cardiovascular Research Institute, Case Western Reserve University School of Medicine, Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA.,Yueyang Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Ippei Watanabe
- Case Cardiovascular Research Institute, Case Western Reserve University School of Medicine, Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Rongli Zhang
- Case Cardiovascular Research Institute, Case Western Reserve University School of Medicine, Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Hyun-Woo Jeong
- Max Planck Institute for Molecular Biomedicine, Department of Tissue Morphogenesis, Münster, Germany
| | - Ralf H Adams
- Max Planck Institute for Molecular Biomedicine, Department of Tissue Morphogenesis, Münster, Germany
| | - Mukesh K Jain
- Case Cardiovascular Research Institute, Case Western Reserve University School of Medicine, Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
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18
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Probable Mechanisms of Doxorubicin Antitumor Activity Enhancement by Ginsenoside Rh2. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030628. [PMID: 35163891 PMCID: PMC8838402 DOI: 10.3390/molecules27030628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 01/16/2022] [Accepted: 01/17/2022] [Indexed: 11/19/2022]
Abstract
Ginsenoside Rh2 increases the efficacy of doxorubicin (DOX) treatment in murine models of solid and ascites Ehrlich’s adenocarcinoma. In a solid tumor model (treatment commencing 7 days after inoculation), DOX + Rh2 co-treatment was significantly more efficacious than DOX alone. If treatment was started 24 h after inoculation, the inhibition of tumor growth of a solid tumor for the DOX + Rh2 co-treatment group was complete. Furthermore, survival in the ascites model was dramatically higher for the DOX + Rh2 co-treatment group than for DOX alone. Mechanisms underlying the combined DOX and Rh2 effects were studied in primary Ehrlich’s adenocarcinoma-derived cells and healthy mice’s splenocytes. Despite the previously established Rh2 pro-oxidant activity, DOX + Rh2 co-treatment revealed no increase in ROS compared to DOX treatment alone. However, DOX + Rh2 treatment was more effective in suppressing Ehrlich adenocarcinoma cell adhesion than either treatment alone. We hypothesize that the benefits of DOX + Rh2 combination treatment are due to the suppression of tumor cell attachment/invasion that might be effective in preventing metastatic spread of tumor cells. Ginsenoside Rh2 was found to be a modest activator in a Neh2-luc reporter assay, suggesting that Rh2 can activate the Nrf2-driven antioxidant program. Rh2-induced direct activation of Nrf2 might provide additional benefits by minimizing DOX toxicity towards non-cancerous cells.
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19
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Wang H, Zheng X, Liu B, Xia Y, Xin Z, Deng B, He L, Deng J, Ren W. Aspartate Metabolism Facilitates IL-1β Production in Inflammatory Macrophages. Front Immunol 2021; 12:753092. [PMID: 34745126 PMCID: PMC8567039 DOI: 10.3389/fimmu.2021.753092] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 09/28/2021] [Indexed: 11/13/2022] Open
Abstract
Increasing evidence support that cellular amino acid metabolism shapes the fate of immune cells; however, whether aspartate metabolism dictates macrophage function is still enigmatic. Here, we found that the metabolites in aspartate metabolism are depleted in lipopolysaccharide (LPS) plus interferon gamma (IFN-γ)-stimulated macrophages. Aspartate promotes interleukin-1β (IL-1β) secretion in M1 macrophages. Mechanistically, aspartate boosts the activation of hypoxia-inducible factor-1α (HIF-1α) and inflammasome and increases the levels of metabolites in aspartate metabolism, such as asparagine. Interestingly, asparagine also accelerates the activation of cellular signaling pathways and promotes the production of inflammatory cytokines from macrophages. Moreover, aspartate supplementation augments the macrophage-mediated inflammatory responses in mice and piglets. These results uncover a previously uncharacterized role for aspartate metabolism in directing M1 macrophage polarization.
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Affiliation(s)
- Hao Wang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory of Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Xueyue Zheng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory of Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Bingnan Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory of Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Yaoyao Xia
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory of Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Zhongquan Xin
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory of Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Baichuan Deng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory of Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Liuqin He
- Hunan Provincial Key Laboratory of Animal Intestinal Function and Regulation, Laboratory of Animal Nutrition and Human Health, College of Life Sciences, Hunan Normal University, Changsha, China.,Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, China
| | - Jinping Deng
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory of Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Wenkai Ren
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory of Lingnan Modern Agriculture, Guangdong Provincial Key Laboratory of Animal Nutrition Control, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou, China
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78495111110.1152/physrev.00046.2020" />
Abstract
This medical review addresses the hypothesis that CD38/NADase is at the center of a functional axis (i.e., intracellular Ca2+ mobilization/IFNγ response/reactive oxygen species burst) driven by severe acute respiratory syndrome coronavirus 2 infection, as already verified in respiratory syncytial virus pathology and CD38 activity in other cellular settings. Key features of the hypothesis are that 1) the substrates of CD38 (e.g., NAD+ and NADP+) are depleted by viral-induced metabolic changes; 2) the products of the enzymatic activity of CD38 [e.g., cyclic adenosine diphosphate-ribose (ADPR)/ADPR/nicotinic acid adenine dinucleotide phosphate] and related enzymes [e.g., poly(ADP-ribose)polymerase, Sirtuins, and ADP-ribosyl hydrolase] are involved in the anti‐viral and proinflammatory response that favors the onset of lung immunopathology (e.g., cytokine storm and organ fibrosis); and 3) the pathological changes induced by this kinetic mechanism may be reduced by distinct modulators of the CD38/NAD+ axis (e.g., CD38 blockers, NAD+ suppliers, among others). This view is supported by arrays of associative basic and applied research data that are herein discussed and integrated with conclusions reported by others in the field of inflammatory, immune, tumor, and viral diseases.
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Affiliation(s)
- Alberto L. Horenstein
- Department of Medical Science, University of Turin, Turin, Italy; and Centro Ricerca Medicina, Sperimentale (CeRMS) and Fondazione Ricerca Molinette Onlus, Turin, Italy
| | - Angelo C. Faini
- Department of Medical Science, University of Turin, Turin, Italy; and Centro Ricerca Medicina, Sperimentale (CeRMS) and Fondazione Ricerca Molinette Onlus, Turin, Italy
| | - Fabio Malavasi
- Department of Medical Science, University of Turin, Turin, Italy; and Centro Ricerca Medicina, Sperimentale (CeRMS) and Fondazione Ricerca Molinette Onlus, Turin, Italy
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21
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Sohn R, Junker M, Meurer A, Zaucke F, Straub RH, Jenei-Lanzl Z. Anti-Inflammatory Effects of Endogenously Released Adenosine in Synovial Cells of Osteoarthritis and Rheumatoid Arthritis Patients. Int J Mol Sci 2021; 22:ijms22168956. [PMID: 34445661 PMCID: PMC8396606 DOI: 10.3390/ijms22168956] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/16/2021] [Accepted: 08/18/2021] [Indexed: 01/01/2023] Open
Abstract
Exogenous adenosine and its metabolite inosine exert anti-inflammatory effects in synoviocytes of osteoarthritis (OA) and rheumatoid arthritis (RA) patients. We analyzed whether these cells are able to synthesize adenosine/inosine and which adenosine receptors (ARs) contribute to anti-inflammatory effects. The functionality of synthesizing enzymes and ARs was tested using agonists/antagonists. Both OA and RA cells expressed CD39 (converts ATP to AMP), CD73 (converts AMP to adenosine), ADA (converts adenosine to inosine), ENT1/2 (adenosine transporters), all AR subtypes (A1, A2A, A2B and A3) and synthesized predominantly adenosine. The CD73 inhibitor AMPCP significantly increased IL-6 and decreased IL-10 in both cell types, while TNF only increased in RA cells. The ADA inhibitor DAA significantly reduced IL-6 and induced IL-10 in both OA and RA cells. The A2AAR agonist CGS 21680 significantly inhibited IL-6 and induced TNF and IL-10 only in RA, while the A2BAR agonist BAY 60-6583 had the same effect in both OA and RA. Taken together, OA and RA synoviocytes express the complete enzymatic machinery to synthesize adenosine/inosine; however, mainly adenosine is responsible for the anti- (IL-6 and IL-10) or pro-inflammatory (TNF) effects mediated by A2A- and A2BAR. Stimulating CD39/CD73 with simultaneous ADA blockage in addition to TNF inhibition might represent a promising therapeutic strategy.
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Affiliation(s)
- Rebecca Sohn
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt/Main, Germany; (R.S.); (M.J.); (A.M.); (F.Z.)
| | - Marius Junker
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt/Main, Germany; (R.S.); (M.J.); (A.M.); (F.Z.)
| | - Andrea Meurer
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt/Main, Germany; (R.S.); (M.J.); (A.M.); (F.Z.)
| | - Frank Zaucke
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt/Main, Germany; (R.S.); (M.J.); (A.M.); (F.Z.)
| | - Rainer H. Straub
- Laboratory of Experimental Rheumatology and Neuroendocrine Immunology, Department of Internal Medicine, University Hospital Regensburg, 93053 Regensburg, Germany;
| | - Zsuzsa Jenei-Lanzl
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60528 Frankfurt/Main, Germany; (R.S.); (M.J.); (A.M.); (F.Z.)
- Correspondence: ; Tel.: +49-69-6301-94-408
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22
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Ehlers L, Kuppe A, Damerau A, Wilantri S, Kirchner M, Mertins P, Strehl C, Buttgereit F, Gaber T. Surface AMP deaminase 2 as a novel regulator modifying extracellular adenine nucleotide metabolism. FASEB J 2021; 35:e21684. [PMID: 34159634 DOI: 10.1096/fj.202002658rr] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Revised: 04/06/2021] [Accepted: 05/06/2021] [Indexed: 12/16/2022]
Abstract
Adenine nucleotides represent crucial immunomodulators in the extracellular environment. The ectonucleotidases CD39 and CD73 are responsible for the sequential catabolism of ATP to adenosine via AMP, thus promoting an anti-inflammatory milieu induced by the "adenosine halo". AMPD2 intracellularly mediates AMP deamination to IMP, thereby both enhancing the degradation of inflammatory ATP and reducing the formation of anti-inflammatory adenosine. Here, we show that this enzyme is expressed on the surface of human immune cells and its predominance may modify inflammatory states by altering the extracellular milieu. Surface AMPD2 (eAMPD2) expression on monocytes was verified by immunoblot, surface biotinylation, mass spectrometry, and immunofluorescence microscopy. Flow cytometry revealed enhanced monocytic eAMPD2 expression after TLR stimulation. PBMCs from patients with rheumatoid arthritis displayed significantly higher levels of eAMPD2 expression compared with healthy controls. Furthermore, the product of AMPD2-IMP-exerted anti-inflammatory effects, while the levels of extracellular adenosine were not impaired by an increased eAMPD2 expression. In summary, our study identifies eAMPD2 as a novel regulator of the extracellular ATP-adenosine balance adding to the immunomodulatory CD39-CD73 system.
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Affiliation(s)
- Lisa Ehlers
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany.,Deutsches Rheuma-Forschungszentrum (DRFZ) Institute of the Leibniz Association, Berlin, Germany
| | - Aditi Kuppe
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany.,Deutsches Rheuma-Forschungszentrum (DRFZ) Institute of the Leibniz Association, Berlin, Germany
| | - Alexandra Damerau
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany.,Deutsches Rheuma-Forschungszentrum (DRFZ) Institute of the Leibniz Association, Berlin, Germany
| | - Siska Wilantri
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany.,Deutsches Rheuma-Forschungszentrum (DRFZ) Institute of the Leibniz Association, Berlin, Germany
| | - Marieluise Kirchner
- BIH Core Unit Proteomics, Berlin Institute of Health (BIH) and Max-Delbrück-Centrum für Molekulare Medizin (MDC), Berlin, Germany
| | - Philipp Mertins
- BIH Core Unit Proteomics, Berlin Institute of Health (BIH) and Max-Delbrück-Centrum für Molekulare Medizin (MDC), Berlin, Germany
| | - Cindy Strehl
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany.,Deutsches Rheuma-Forschungszentrum (DRFZ) Institute of the Leibniz Association, Berlin, Germany
| | - Frank Buttgereit
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany.,Deutsches Rheuma-Forschungszentrum (DRFZ) Institute of the Leibniz Association, Berlin, Germany
| | - Timo Gaber
- Department of Rheumatology and Clinical Immunology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin, Germany.,Deutsches Rheuma-Forschungszentrum (DRFZ) Institute of the Leibniz Association, Berlin, Germany
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Wu Q, Yu X, Li J, Sun S, Tu Y. Metabolic regulation in the immune response to cancer. Cancer Commun (Lond) 2021; 41:661-694. [PMID: 34145990 PMCID: PMC8360644 DOI: 10.1002/cac2.12182] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 03/25/2021] [Accepted: 06/11/2021] [Indexed: 02/06/2023] Open
Abstract
Metabolic reprogramming in tumor‐immune interactions is emerging as a key factor affecting pro‐inflammatory carcinogenic effects and anticancer immune responses. Therefore, dysregulated metabolites and their regulators affect both cancer progression and therapeutic response. Here, we describe the molecular mechanisms through which microenvironmental, systemic, and microbial metabolites potentially influence the host immune response to mediate malignant progression and therapeutic intervention. We summarized the primary interplaying factors that constitute metabolism, immunological reactions, and cancer with a focus on mechanistic aspects. Finally, we discussed the possibility of metabolic interventions at multiple levels to enhance the efficacy of immunotherapeutic and conventional approaches for future anticancer treatments.
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Affiliation(s)
- Qi Wu
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P. R. China
| | - Xin Yu
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P. R. China
| | - Juanjuan Li
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P. R. China
| | - Shengrong Sun
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P. R. China
| | - Yi Tu
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, P. R. China
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Tu J, Huang W, Zhang W, Mei J, Zhu C. A Tale of Two Immune Cells in Rheumatoid Arthritis: The Crosstalk Between Macrophages and T Cells in the Synovium. Front Immunol 2021; 12:655477. [PMID: 34220809 PMCID: PMC8248486 DOI: 10.3389/fimmu.2021.655477] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 06/01/2021] [Indexed: 11/13/2022] Open
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease. Joint inflammation of RA is closely related to infiltration of immune cells, synovium hyperplasia, and superfluous secretion of proinflammatory cytokines, which lead to cartilage degradation and bone erosion. The joint synovium of RA patients contains a variety of immune cellular types, among which monocytes/macrophages and T cells are two essential cellular components. Monocytes/macrophages can recruit and promote the differentiation of T cells into inflammatory phenotypes in RA synovium. Similarly, different subtypes of T cells can recruit monocytes/macrophages and promote osteoblast differentiation and production of inflammatory cytokines. In this review, we will discuss how T cell-monocyte/macrophage interactions promote the development of RA, which will provide new perspectives on RA pathogenesis and the development of targeted therapy.
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Affiliation(s)
- Jiajie Tu
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-Inflammatory and Immune Medicine, Ministry of Education, Anhui Collaborative Innovation Center of Anti-Inflammatory and Immune Medicine, Hefei, China
- Department of Gynecology, The First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen Second People’s Hospital, Shenzhen, China
| | - Wei Huang
- Department of Orthopaedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Weiwei Zhang
- Departments of Geriatrics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Jiawei Mei
- Department of Orthopaedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Chen Zhu
- Department of Orthopaedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
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25
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The transition of M-CSF-derived human macrophages to a growth-promoting phenotype. Blood Adv 2021; 4:5460-5472. [PMID: 33166408 DOI: 10.1182/bloodadvances.2020002683] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 09/27/2020] [Indexed: 12/12/2022] Open
Abstract
Stimulated macrophages are potent producers of inflammatory mediators. This activity is highly regulated, in part, by resolving molecules to prevent tissue damage. In this study, we demonstrate that inflammation induced by Toll-like receptor stimulation is followed by the upregulation of receptors for adenosine (Ado) and prostaglandin E2 (PGE2), which help terminate macrophage activation and initiate tissue remodeling and angiogenesis. Macrophages can be hematopoietically derived from monocytes in response to 2 growth factors: macrophage colony-stimulating factor (M-CSF) and granulocyte-macrophage colony-stimulating factor (GM-CSF). We examine how exposure to either of these differentiation factors shapes the macrophage response to resolving molecules. We analyzed the transcriptomes of human monocyte-derived macrophages stimulated in the presence of Ado or PGE2 and demonstrated that, in macrophages differentiated in M-CSF, Ado and PGE2 induce a shared transcriptional program involving the downregulation of inflammatory mediators and the upregulation of growth factors. In contrast, macrophages generated in GM-CSF fail to convert to a growth-promoting phenotype, which we attribute to the suppression of receptors for Ado and PGE2 and lower production of these endogenous regulators. These observations indicate that M-CSF macrophages are better prepared to transition to a program of tissue repair, whereas GM-CSF macrophages undergo more profound activation. We implicate the differential sensitivity to pro-resolving mediators as a contributor to these divergent phenotypes. This research highlights a number of molecular targets that can be exploited to regulate the strength and duration of macrophage activation.
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Abstract
This medical review addresses the hypothesis that CD38/NADase is at the center of a functional axis (i.e., intracellular Ca2+ mobilization/IFNγ response/reactive oxygen species burst) driven by severe acute respiratory syndrome coronavirus 2 infection, as already verified in respiratory syncytial virus pathology and CD38 activity in other cellular settings. Key features of the hypothesis are that 1) the substrates of CD38 (e.g., NAD+ and NADP+) are depleted by viral-induced metabolic changes; 2) the products of the enzymatic activity of CD38 [e.g., cyclic adenosine diphosphate-ribose (ADPR)/ADPR/nicotinic acid adenine dinucleotide phosphate] and related enzymes [e.g., poly(ADP-ribose)polymerase, Sirtuins, and ADP-ribosyl hydrolase] are involved in the anti‐viral and proinflammatory response that favors the onset of lung immunopathology (e.g., cytokine storm and organ fibrosis); and 3) the pathological changes induced by this kinetic mechanism may be reduced by distinct modulators of the CD38/NAD+ axis (e.g., CD38 blockers, NAD+ suppliers, among others). This view is supported by arrays of associative basic and applied research data that are herein discussed and integrated with conclusions reported by others in the field of inflammatory, immune, tumor, and viral diseases.
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Affiliation(s)
- Alberto L Horenstein
- Department of Medical Science, University of Turin, Turin, Italy; and Centro Ricerca Medicina, Sperimentale (CeRMS) and Fondazione Ricerca Molinette Onlus, Turin, Italy
| | - Angelo C Faini
- Department of Medical Science, University of Turin, Turin, Italy; and Centro Ricerca Medicina, Sperimentale (CeRMS) and Fondazione Ricerca Molinette Onlus, Turin, Italy
| | - Fabio Malavasi
- Department of Medical Science, University of Turin, Turin, Italy; and Centro Ricerca Medicina, Sperimentale (CeRMS) and Fondazione Ricerca Molinette Onlus, Turin, Italy
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27
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ST36 Acupuncture Alleviates the Inflammation of Adjuvant-Induced Arthritic Rats by Targeting Monocyte/Macrophage Modulation. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:9430501. [PMID: 33727948 PMCID: PMC7936911 DOI: 10.1155/2021/9430501] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Revised: 01/13/2021] [Accepted: 02/08/2021] [Indexed: 02/07/2023]
Abstract
Background Rheumatoid arthritis (RA) is a chronic systemic chronic autoimmune disease characterized by the aggregation of immune cells and secretion of cytokines in the joint synovium, causing hyperblastosis and even bone destruction. Acupuncture has been proven effective in RA treatment. This study aimed to investigate the anti-inflammatory action of acupuncture, specifically, in relation to immune cell interactions and key mediators. Methods Rats with adjuvant-induced arthritics (AIA) were treated with manual acupuncture (MA) at Zusanli (ST36). Joint edema and paw withdrawal latency were monitored to observe the effects on inflammation. The levels of 24 cytokines, chemokines, and growth factors in ankle joints during the treatment (on days 1, 7, 15, and 21) were detected by multiplex immunoassay. A bioinformatics analysis based on a directed weighted mathematical model was used to construct cell communication network diagrams and identify the key cells through calculation. The monocyte/macrophage polarization in inflamed joints was investigated by detecting M1- and M2-phenotypic populations and their related cytokines. Results ST36 MA alleviated paw edema and upregulated the nociceptive threshold of AIA rats. Several innate and adaptive immune cytokines were dynamically regulated by MA, and MA-treated rats showed a significant improvement in symptoms compared with AIA rats by day 21. The immune cell-cell communication networks were intensified with the development of RA but were significantly reduced after treatment with MA. MA was found to specifically regulate monocytes/macrophages in inflamed ankle joints ST36 MA also inhibited M1-phenotype macrophages accompanied by decreased levels of IL-1β. Conclusions ST36 MA showed anti-inflammatory and analgesic effects as well as inhibition of immune cell communication networks in inflamed joints of AIA rats. Inhibiting the polarization of macrophages to the M1-phenotype in inflamed joints may be one of the key mechanisms of MA anti-inflammatory action. This research highlighted a systematic research paradigm for investigating mechanisms of acupuncture action.
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28
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Boutet MA, Courties G, Nerviani A, Le Goff B, Apparailly F, Pitzalis C, Blanchard F. Novel insights into macrophage diversity in rheumatoid arthritis synovium. Autoimmun Rev 2021; 20:102758. [PMID: 33476818 DOI: 10.1016/j.autrev.2021.102758] [Citation(s) in RCA: 69] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 11/24/2020] [Indexed: 12/18/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory autoimmune disease affecting joints and causing progressive damage and disability. Macrophages are of critical importance in the initiation and perpetuation of synovitis in RA, they can function as antigen presenting cells leading to T-cell dependent B-cell activation, assume a variety of inflammatory cell states with the production of destructive cytokines, but also contribute to tissue homeostasis/repair. The recent development of high-throughput technologies, including bulk and single cells RNA-sequencing, has broadened our understanding of synovial cell diversity, and opened novel perspectives to the discovery of new potential therapeutic targets in RA. In this review, we will focus on the relationship between the synovial macrophage infiltration and clinical disease severity and response to treatment. We will then provide a state-of-the-art picture of the biological roles of synovial macrophages and distinct macrophage subsets described in RA. Finally, we will review the effects of approved conventional and biologic drugs on the synovial macrophage component and highlight the therapeutic potential of future strategies to re-program macrophage phenotypes in RA.
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Affiliation(s)
- Marie-Astrid Boutet
- Centre for Experimental Medicine & Rheumatology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK.
| | - Gabriel Courties
- IRMB, Univ Montpellier, INSERM, CHU Montpellier, Montpellier, France.
| | - Alessandra Nerviani
- Centre for Experimental Medicine & Rheumatology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK.
| | - Benoit Le Goff
- INSERM UMR1238, Bone Sarcoma and Remodelling of Calcified Tissues, Nantes University, Nantes, France; Rheumatology Department, Nantes University Hospital, Nantes, France.
| | | | - Costantino Pitzalis
- Centre for Experimental Medicine & Rheumatology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK.
| | - Frédéric Blanchard
- INSERM UMR1238, Bone Sarcoma and Remodelling of Calcified Tissues, Nantes University, Nantes, France.
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Giuliani AL, Sarti AC, Di Virgilio F. Ectonucleotidases in Acute and Chronic Inflammation. Front Pharmacol 2021; 11:619458. [PMID: 33613285 PMCID: PMC7887318 DOI: 10.3389/fphar.2020.619458] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/21/2020] [Indexed: 12/16/2022] Open
Abstract
Ectonucleotidases are extracellular enzymes with a pivotal role in inflammation that hydrolyse extracellular purine and pyrimidine nucleotides, e.g., ATP, UTP, ADP, UDP, AMP and NAD+. Ectonucleotidases, expressed by virtually all cell types, immune cells included, either as plasma membrane-associated or secreted enzymes, are classified into four main families: 1) nucleoside triphosphate diphosphohydrolases (NTPDases), 2) nicotinamide adenine dinucleotide glycohydrolase (NAD glycohydrolase/ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase 1), 3) ecto-5′-nucleotidase (NT5E), and 4) ecto-nucleotide pyrophosphatase/phosphodiesterases (NPPs). Concentration of ATP, UTP and NAD+ can be increased in the extracellular space thanks to un-regulated, e.g., cell damage or cell death, or regulated processes. Regulated processes include secretory exocytosis, connexin or pannexin hemichannels, ATP binding cassette (ABC) transporters, calcium homeostasis modulator (CALMH) channels, the ATP-gated P2X7 receptor, maxi-anion channels (MACs) and volume regulated ion channels (VRACs). Hydrolysis of extracellular purine nucleotides generates adenosine, an important immunosuppressant. Extracellular nucleotides and nucleosides initiate or dampen inflammation via P2 and P1 receptors, respectively. All these agents, depending on their level of expression or activation and on the agonist concentration, are potent modulators of inflammation and key promoters of host defences, immune cells activation, pathogen clearance, tissue repair and regeneration. Thus, their knowledge is of great importance for a full understanding of the pathophysiology of acute and chronic inflammatory diseases. A selection of these pathologies will be briefly discussed here.
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Affiliation(s)
- Anna Lisa Giuliani
- Section of Experimental Medicine, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Alba Clara Sarti
- Section of Experimental Medicine, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Francesco Di Virgilio
- Section of Experimental Medicine, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
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Luo Q, Luo J, Wang Y. YAP Deficiency Attenuates Pulmonary Injury Following Mechanical Ventilation Through the Regulation of M1/M2 Macrophage Polarization. J Inflamm Res 2020; 13:1279-1290. [PMID: 33408500 PMCID: PMC7781043 DOI: 10.2147/jir.s288244] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 12/15/2020] [Indexed: 12/25/2022] Open
Abstract
Background Evidences indicate that the balance between macrophage M1 and M2 polarization is essential for the regulation of pulmonary inflammation during mechanical ventilation (MV). Yes-associated protein (YAP) is a key component of the Hippo pathway and was suggested to regulate macrophage polarization. This study was designed to investigate whether YAP contributes to pulmonary inflammation during MV. Methods Wild-type and macrophage YAP knockout mice were mechanically ventilated for 12 hours to induce pulmonary injuries. At the end of MV, animals were sacrificed for pulmonary tissue collection and macrophage isolation. In addition, the induction of macrophage polarization was performed in isolated macrophages with or without YAP overexpression in vitro. Pulmonary injuries, YAP expression, macrophage polarization and cytokines were measured. Results Here, we show that MV induces lung injury together with pulmonary inflammation as well as upregulated YAP expressions in pulmonary macrophages. In addition, our results indicate that YAP deficiency in macrophages attenuates pulmonary injury, accompanied with decreased production of pro-inflammatory cytokines including IL (interleukin)-1β, IL-6 and tumor necrosis factor-alpha (TNF-α). Moreover, both in vivo and in vitro studies indicate that YAP deficiency enhances M2 polarization while inhibits M1 polarization. In contrast, YAP overexpression inhibits the induction of M2 polarization but improves M1 polarization. Conclusion Our results report for the first time that the induction of YAP in macrophages contributes to pulmonary inflammation during MV through the regulation of M1/M2 polarization.
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Affiliation(s)
- Qiong Luo
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, People's Republic of China
| | - Jing Luo
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, People's Republic of China
| | - Yanlin Wang
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, People's Republic of China
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Zeng J, Ning Z, Wang Y, Xiong H. Implications of CD39 in immune-related diseases. Int Immunopharmacol 2020; 89:107055. [PMID: 33045579 DOI: 10.1016/j.intimp.2020.107055] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 09/10/2020] [Accepted: 09/26/2020] [Indexed: 02/07/2023]
Abstract
Extracellular adenosine triphosphate (eATP) mediates pro-inflammatory responses by recruiting and activating inflammatory cells. CD39 can hydrolyze eATP into adenosine monophosphate (AMP), while CD73 can convert AMP into the immunosuppressive nucleoside adenosine (ADO). CD39 is a rate-limiting enzyme in this cascade, which is regarded as an immunological switch shifting the ATP-mediated pro-inflammatory environment to the ADO- mediated anti-inflammatory status. The CD39 expression can be detected in a wide spectrum of immunocytes, which is under the influence of environmental and genetic factors. It is increasingly suggested that, CD39 participates in some pathophysiological processes, like inflammatory bowel disease (IBD), sepsis, multiple sclerosis (MS), allergic diseases, ischemia-reperfusion (I/R) injury, systemic lupus erythematosus (SLE), diabetes and cancer. Here, we focus on the current understanding of CD39 in immunity, and comprehensively illustrate the diverse CD39 functions within a variety of disorders.
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Affiliation(s)
- Jianrui Zeng
- Institute of Immunology and Molecular Medicine, Jining Medical University, Shandong 272067, China
| | - Zhaochen Ning
- Institute of Immunology and Molecular Medicine, Jining Medical University, Shandong 272067, China
| | - Yuzhong Wang
- Department of Neurology and Central Laboratory, Affiliated Hospital of Jining Medical University, Shandong 272000, China.
| | - Huabao Xiong
- Institute of Immunology and Molecular Medicine, Jining Medical University, Shandong 272067, China.
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Eudy BJ, McDermott CE, Fernandez G, Mathews CE, Lai J, da Silva RP. Disruption of hepatic one-carbon metabolism impairs mitochondrial function and enhances macrophage activity in methionine-choline-deficient mice. J Nutr Biochem 2020; 81:108381. [PMID: 32422424 DOI: 10.1016/j.jnutbio.2020.108381] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 01/24/2020] [Accepted: 03/13/2020] [Indexed: 02/05/2023]
Abstract
One-carbon metabolism is a collection of metabolic cycles that supports methylation and provides one-carbon bound folates for the de novo synthesis of purine and thymidine nucleotides. The methylation of phosphatidylethanolamine to form choline has been extensively studied in the context of fatty liver disease. However, the role of one-carbon metabolism in supporting nucleotide synthesis during liver damage has not been addressed. The objective of this study is to determine how the disruption of one-carbon metabolism influences nucleotide metabolism in the liver after dietary methionine and choline restriction. Mice (n=8) were fed a methionine-choline-deficient or control diet for 3 weeks. We treated mice with the compound alloxazine (0.5 mg/kg), a known adenosine receptor antagonist, every second day during the final week of feeding to probe the function of adenosine signaling during liver damage. We found that concentrations of several hepatic nucleotides were significantly lower in methionine- and choline-deficient mice vs. controls (adenine: 13.9±0.7 vs. 10.1±0.6, guanine: 1.8±0.1 vs. 1.4±0.1, thymidine: 0.0122±0.0027 vs. 0.0059±0.0027 nmol/mg dry tissue). Treatment of alloxazine caused a specific decrease in thymidine nucleotides, decrease in mitochondrial content in the liver and exacerbation of steatohepatitis as shown by the increased hepatic lipid content and altered macrophage morphology. This study demonstrates a role for one-carbon metabolism in supporting de novo nucleotide synthesis and mitochondrial function during liver damage.
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Affiliation(s)
- Brandon J Eudy
- Department of Food Science and Human Nutrition, University of Florida, Gainesville, FL.
| | - Caitlin E McDermott
- Department of Food Science and Human Nutrition, University of Florida, Gainesville, FL.
| | - Gabriel Fernandez
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL.
| | - Clayton E Mathews
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL.
| | - Jinping Lai
- Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, FL; Department of Pathology and Laboratory Medicine, Kaiser Permanente, Sacramento, CA.
| | - Robin P da Silva
- Department of Food Science and Human Nutrition, University of Florida, Gainesville, FL.
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Application of molecular imaging technology in tumor immunotherapy. Cell Immunol 2020; 348:104039. [DOI: 10.1016/j.cellimm.2020.104039] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 12/21/2019] [Accepted: 01/07/2020] [Indexed: 02/08/2023]
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de Leve S, Wirsdörfer F, Jendrossek V. The CD73/Ado System-A New Player in RT Induced Adverse Late Effects. Cancers (Basel) 2019; 11:cancers11101578. [PMID: 31623231 PMCID: PMC6827091 DOI: 10.3390/cancers11101578] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 10/11/2019] [Accepted: 10/12/2019] [Indexed: 02/06/2023] Open
Abstract
Radiotherapy (RT) is a central component of standard treatment for many cancer patients. RT alone or in multimodal treatment strategies has a documented contribution to enhanced local control and overall survival of cancer patients, and cancer cure. Clinical RT aims at maximizing tumor control, while minimizing the risk for RT-induced adverse late effects. However, acute and late toxicities of IR in normal tissues are still important biological barriers to successful RT: While curative RT may not be tolerable, sub-optimal tolerable RT doses will lead to fatal outcomes by local recurrence or metastatic disease, even when accepting adverse normal tissue effects that decrease the quality of life of irradiated cancer patients. Technical improvements in treatment planning and the increasing use of particle therapy have allowed for a more accurate delivery of IR to the tumor volume and have thereby helped to improve the safety profile of RT for many solid tumors. With these technical and physical strategies reaching their natural limits, current research for improving the therapeutic gain of RT focuses on innovative biological concepts that either selectively limit the adverse effects of RT in normal tissues without protecting the tumor or specifically increase the radiosensitivity of the tumor tissue without enhancing the risk of normal tissue complications. The biology-based optimization of RT requires the identification of biological factors that are linked to differential radiosensitivity of normal or tumor tissues, and are amenable to therapeutic targeting. Extracellular adenosine is an endogenous mediator critical to the maintenance of homeostasis in various tissues. Adenosine is either released from stressed or injured cells or generated from extracellular adenine nucleotides by the concerted action of the ectoenzymes ectoapyrase (CD39) and 5′ ectonucleotidase (NT5E, CD73) that catabolize ATP to adenosine. Recent work revealed a role of the immunoregulatory CD73/adenosine system in radiation-induced fibrotic disease in normal tissues suggesting a potential use as novel therapeutic target for normal tissue protection. The present review summarizes relevant findings on the pathologic roles of CD73 and adenosine in radiation-induced fibrosis in different organs (lung, skin, gut, and kidney) that have been obtained in preclinical models and proposes a refined model of radiation-induced normal tissue toxicity including the disease-promoting effects of radiation-induced activation of CD73/adenosine signaling in the irradiated tissue environment. However, expression and activity of the CD73/adenosine system in the tumor environment has also been linked to increased tumor growth and tumor immune escape, at least in preclinical models. Therefore, we will discuss the use of pharmacologic inhibition of CD73/adenosine-signaling as a promising strategy for improving the therapeutic gain of RT by targeting both, malignant tumor growth and adverse late effects of RT with a focus on fibrotic disease. The consideration of the therapeutic window is particularly important in view of the increasing use of RT in combination with various molecularly targeted agents and immunotherapy to enhance the tumor radiation response, as such combinations may result in increased or novel toxicities, as well as the increasing number of cancer survivors.
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Affiliation(s)
- Simone de Leve
- Institute of Cell Biology (Cancer Research), University Hospital Essen, 45122 Essen, Germany.
| | - Florian Wirsdörfer
- Institute of Cell Biology (Cancer Research), University Hospital Essen, 45122 Essen, Germany.
| | - Verena Jendrossek
- Institute of Cell Biology (Cancer Research), University Hospital Essen, 45122 Essen, Germany.
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Wang R, Zhang M, Hu S, Liu K, Tai Y, Tao J, Zhou W, Zhao Z, Wang Q, Wei W. Ginsenoside metabolite compound-K regulates macrophage function through inhibition of β-arrestin2. Biomed Pharmacother 2019; 115:108909. [PMID: 31071508 DOI: 10.1016/j.biopha.2019.108909] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 04/09/2019] [Accepted: 04/22/2019] [Indexed: 12/14/2022] Open
Abstract
Ginsenoside metabolite compound-K (C-K), which is an active metabolite of ginsenoside in vivo, can produce anti-inflammatory affects by activating glucocorticoid receptors (GRs) to inhibit the expression of β-arrestin2. Studies have shown that C-K can inhibit the function of immune cells including macrophage polarization and phagocytosis. However, the mechanism by which C-K regulates macrophage polarization is currently unclear. Toll-like receptors (TLRs) are the pattern recognition receptors on the membrane of immune cells, with TLR4 being especially important in polarization of macrophages. The Gαi-mediated activation of nuclear factor-κB (NF-κB) by TLR4 promotes inflammation and phagocytosis in macrophages by increasing the proportion of type I phenotypic macrophages (M1). Whether C-K inhibits the signal transduction of TLR4-Gαi-NF-κB and how that effects macrophage polarization regulation in murine models of RA is not reported. The coupling of G proteins with receptors is regulated by β-arrestin2, but it has been unclear whether C-K modulates the TLR4 interaction with G proteins by inhibiting the expression of β-arrestin2. To explore these questions, the collagen-induced arthritis (CIA) mouse model was employed, and mice were treated with C-K (112 mg/kg/day). The results depict that C-K treatment inhibits macrophage phagocytosis and reduces the proportion of M1. C-K decreases the overexpressed β-arrestin2, Gαi, TLR4 and NF-κB in macrophages of CIA mice, while increasing the expression of Gαs. Furthermore, C-K promotes TLR4-Gαs coupling and inhibits TLR4-Gαi coupling through β-arrestin2 regulation in macrophages, leading to a decrease in the proportion of M1 to M2 macrophages and improved outcomes in CIA mice.
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Affiliation(s)
- Rui Wang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immunopharmacology of Education, Ministry of China, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Mei Zhang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immunopharmacology of Education, Ministry of China, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Shanshan Hu
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immunopharmacology of Education, Ministry of China, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Kangkang Liu
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immunopharmacology of Education, Ministry of China, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Yu Tai
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immunopharmacology of Education, Ministry of China, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Juan Tao
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immunopharmacology of Education, Ministry of China, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Weijie Zhou
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immunopharmacology of Education, Ministry of China, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Zongbiao Zhao
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immunopharmacology of Education, Ministry of China, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China
| | - Qingtong Wang
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immunopharmacology of Education, Ministry of China, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China.
| | - Wei Wei
- Institute of Clinical Pharmacology, Anhui Medical University, Key Laboratory of Anti-inflammatory and Immunopharmacology of Education, Ministry of China, Anhui Collaborative Innovation Center of Anti-inflammatory and Immune Medicine, Hefei, 230032, China.
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36
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Ohradanova-Repic A, Machacek C, Donner C, Mühlgrabner V, Petrovčíková E, Zahradníková A, Vičíková K, Hořejší V, Stockinger H, Leksa V. The mannose 6-phosphate/insulin-like growth factor 2 receptor mediates plasminogen-induced efferocytosis. J Leukoc Biol 2019; 105:519-530. [PMID: 30657605 PMCID: PMC6392118 DOI: 10.1002/jlb.1ab0417-160rr] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 12/17/2018] [Accepted: 12/24/2018] [Indexed: 12/14/2022] Open
Abstract
The plasminogen system is harnessed in a wide variety of physiological processes, such as fibrinolysis, cell migration, or efferocytosis; and accordingly, it is essential upon inflammation, tissue remodeling, wound healing, and for homeostatic maintenance in general. Previously, we identified a plasminogen receptor in the mannose 6-phosphate/insulin-like growth factor 2 receptor (M6P/IGF2R, CD222). Here, we demonstrate by means of genetic knockdown, knockout, and rescue approaches combined with functional studies that M6P/IGF2R is up-regulated on the surface of macrophages, recognizes plasminogen exposed on the surface of apoptotic cells, and mediates plasminogen-induced efferocytosis. The level of uptake of plasminogen-coated apoptotic cells inversely correlates with the TNF-α production by phagocytes indicating tissue clearance without inflammation by this mechanism. Our results reveal an up-to-now undetermined function of M6P/IGF2R in clearance of apoptotic cells, which is crucial for tissue homeostasis.
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Affiliation(s)
- Anna Ohradanova-Repic
- Molecular Immunology Unit, Institute for Hygiene and Applied Immunology, Centre for Pathophysiology, Infectiology & Immunology, Medical University of Vienna, Vienna, Austria
| | - Christian Machacek
- Molecular Immunology Unit, Institute for Hygiene and Applied Immunology, Centre for Pathophysiology, Infectiology & Immunology, Medical University of Vienna, Vienna, Austria
| | - Clemens Donner
- Molecular Immunology Unit, Institute for Hygiene and Applied Immunology, Centre for Pathophysiology, Infectiology & Immunology, Medical University of Vienna, Vienna, Austria
| | - Vanessa Mühlgrabner
- Molecular Immunology Unit, Institute for Hygiene and Applied Immunology, Centre for Pathophysiology, Infectiology & Immunology, Medical University of Vienna, Vienna, Austria
| | - Eva Petrovčíková
- Laboratory of Molecular Immunology, Institute of Molecular Biology, Slovak Academy of Sciences, Bratislava, Slovak Republic.,Department of Biochemistry, Faculty of Natural Sciences, Comenius University, Bratislava, Slovak Republic
| | - Alexandra Zahradníková
- Centre of Biosciences, Slovak Academy of Sciences, Bratislava, Slovak Republic.,Institute of Experimental Endocrinology, Biomedical Research Center, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Kristína Vičíková
- Laboratory of Molecular Immunology, Institute of Molecular Biology, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Václav Hořejší
- Institute of Molecular Genetics of the Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Hannes Stockinger
- Molecular Immunology Unit, Institute for Hygiene and Applied Immunology, Centre for Pathophysiology, Infectiology & Immunology, Medical University of Vienna, Vienna, Austria
| | - Vladimir Leksa
- Molecular Immunology Unit, Institute for Hygiene and Applied Immunology, Centre for Pathophysiology, Infectiology & Immunology, Medical University of Vienna, Vienna, Austria.,Laboratory of Molecular Immunology, Institute of Molecular Biology, Slovak Academy of Sciences, Bratislava, Slovak Republic
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