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Zhou S, He J, Liu Q, Chen T, Guan X, Gao H, Jiang J, Wang J, Peng X, Wu J. Injectable Hydrogel of Chitosan-Octyl Itaconate Conjugate Modulates Inflammatory Response. ACS Biomater Sci Eng 2024. [PMID: 39056337 DOI: 10.1021/acsbiomaterials.4c00882] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
Itaconic acid and its derivative 4-octyl itaconate (OI) represent a novel anti-inflammatory medication that has demonstrated efficacy in multiple inflammation models because of its minimal side effects. Recently, natural polymers conjugated with small molecule drugs, known as polymer-drug conjugates (PDCs), have emerged as a promising approach to sustained drug release. In this work, we reported an approach to prepare a PDC containing an OI and make it into an injectable hydrogel. Chitosan (CS) was selected for PDC synthesis because of its abundant free amino groups that can be conjugated with molecules containing carboxyl groups by carbodiimide chemistry. We used an ethanol/water cosolvent system to synthesize a CS-OI conjugate via EDC/NHS catalysis. The CS-OI conjugate had improved water solubility and unique anti-inflammatory activity and did not show compromised antibacterial activity compared with unmodified CS. Beta-glycerophosphate (β-GP) cross-linked CS-OI hydrogel exhibited good injectability with sustainable OI release and effectively modulated inflammatory response in a rat model. Therefore, this study provides valuable insights into the design of PDC hydrogels with inflammatory modulatory properties.
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Affiliation(s)
- Shasha Zhou
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, P. R. China
| | - Jibing He
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, P. R. China
| | - Quan Liu
- Department of Orthopedics, Centre for Leading Medicine and Advanced Technologies of IHM, the First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230001, Anhui, P. R. China
| | - Ting Chen
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, P. R. China
| | - Xiangheng Guan
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, P. R. China
| | - Haihan Gao
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, P. R. China
| | - Jia Jiang
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, P. R. China
| | - Jiaxing Wang
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, P. R. China
| | - Xiaochun Peng
- Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, P. R. China
| | - Jinglei Wu
- Shanghai Engineering Research Center of Nano-Biomaterials and Regenerative Medicine, College of Biological Science and Medical Engineering, Donghua University, Shanghai 201620, P. R. China
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2
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Xu H, Yan S, Gerhard E, Xie D, Liu X, Zhang B, Shi D, Ameer GA, Yang J. Citric Acid: A Nexus Between Cellular Mechanisms and Biomaterial Innovations. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2402871. [PMID: 38801111 DOI: 10.1002/adma.202402871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 05/07/2024] [Indexed: 05/29/2024]
Abstract
Citrate-based biodegradable polymers have emerged as a distinctive biomaterial platform with tremendous potential for diverse medical applications. By harnessing their versatile chemistry, these polymers exhibit a wide range of material and bioactive properties, enabling them to regulate cell metabolism and stem cell differentiation through energy metabolism, metabonegenesis, angiogenesis, and immunomodulation. Moreover, the recent US Food and Drug Administration (FDA) clearance of the biodegradable poly(octamethylene citrate) (POC)/hydroxyapatite-based orthopedic fixation devices represents a translational research milestone for biomaterial science. POC joins a short list of biodegradable synthetic polymers that have ever been authorized by the FDA for use in humans. The clinical success of POC has sparked enthusiasm and accelerated the development of next-generation citrate-based biomaterials. This review presents a comprehensive, forward-thinking discussion on the pivotal role of citrate chemistry and metabolism in various tissue regeneration and on the development of functional citrate-based metabotissugenic biomaterials for regenerative engineering applications.
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Affiliation(s)
- Hui Xu
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Su Yan
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Ethan Gerhard
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Denghui Xie
- Department of Histology and Embryology, School of Basic Medical Sciences, Department of Orthopedic Surgery, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, 510515, P. R. China
- Academy of Orthopedics of Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, 510630, P. R. China
| | - Xiaodong Liu
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- School of Life Sciences, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310030, P. R. China
| | - Bing Zhang
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- School of Life Sciences, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310030, P. R. China
| | - Dongquan Shi
- Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, Jiangsu, 210008, P. R. China
| | - Guillermo A Ameer
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, 60208, USA
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Jian Yang
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- Biomedical Engineering Program, School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
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Ball AB, Jones AE, Nguyễn KB, Rios A, Marx N, Hsieh WY, Yang K, Desousa BR, Kim KK, Veliova M, del Mundo ZM, Shirihai OS, Benincá C, Stiles L, Bensinger SJ, Divakaruni AS. Pro-inflammatory macrophage activation does not require inhibition of mitochondrial respiration. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.10.593451. [PMID: 38798678 PMCID: PMC11118427 DOI: 10.1101/2024.05.10.593451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Pro-inflammatory macrophage activation is a hallmark example of how mitochondria serve as signaling organelles. Upon classical macrophage activation, oxidative phosphorylation sharply decreases and mitochondria are repurposed to accumulate signals that amplify effector function. However, evidence is conflicting as to whether this collapse in respiration is essential or largely dispensable. Here we systematically examine this question and show that reduced oxidative phosphorylation is not required for pro-inflammatory macrophage activation. Only stimuli that engage both MyD88- and TRIF-linked pathways decrease mitochondrial respiration, and different pro-inflammatory stimuli have varying effects on other bioenergetic parameters. Additionally, pharmacologic and genetic models of electron transport chain inhibition show no direct link between respiration and pro-inflammatory activation. Studies in mouse and human macrophages also reveal accumulation of the signaling metabolites succinate and itaconate can occur independently of characteristic breaks in the TCA cycle. Finally, in vivo activation of peritoneal macrophages further demonstrates that a pro-inflammatory response can be elicited without reductions to oxidative phosphorylation. Taken together, the results suggest the conventional model of mitochondrial reprogramming upon macrophage activation is incomplete.
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Affiliation(s)
- Andréa B. Ball
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Anthony E. Jones
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Kaitlyn B. Nguyễn
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Amy Rios
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Nico Marx
- Institute of Integrative Cell Biology and Physiology, Bioenergetics and Mitochondrial Dynamics Section, University of Münster, Schloßplatz 5, D-49078 Münster, Germany
| | - Wei Yuan Hsieh
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, USA
| | - Krista Yang
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Brandon R. Desousa
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Kristen K.O. Kim
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Michaela Veliova
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA
| | - Zena Marie del Mundo
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, USA
| | - Orian S. Shirihai
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Cristiane Benincá
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Linsey Stiles
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Steven J. Bensinger
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA
- Department of Microbiology, Immunology, and Molecular Genetics, University of California, Los Angeles, Los Angeles, CA, USA
| | - Ajit S. Divakaruni
- Department of Molecular and Medical Pharmacology, University of California, Los Angeles, Los Angeles, CA, USA
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4
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Breen P, Zimbric M, Caverly LJ. Itaconic acid inhibits nontuberculous mycobacterial growth in pH dependent manner while 4-octyl-itaconic acid enhances THP-1 clearance of nontuberculous mycobacteria in vitro. PLoS One 2024; 19:e0303516. [PMID: 38728330 PMCID: PMC11086914 DOI: 10.1371/journal.pone.0303516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 04/08/2024] [Indexed: 05/12/2024] Open
Abstract
Increasingly prevalent, nontuberculous mycobacteria (NTM) infections affect approximately 20% of people with cystic fibrosis (CF). Previous studies of CF sputum identified lower levels of the host metabolite itaconate in those infected with NTM. Itaconate can inhibit the growth of M. tuberculosis (MTB) in vitro via the inhibition of the glyoxylate cycle enzyme (ICL), but its impact on NTM is unclear. To test itaconic acid's (IA) effect on NTM growth, laboratory and CF clinical strains of Mycobacterium abscessus and Mycobacterium avium were cultured in 7H9 minimal media supplemented with 1-10 mM of IA and short-chain fatty acids (SCFA). M. avium and M. abscessus grew when supplemented with SCFAs, whereas the addition of IA (≥ 10 mM) completely inhibited NTM growth. NTM supplemented with acetate or propionate and 5 mM IA displayed slower growth than NTM cultured with SCFA and ≤ 1 mM of IA. However, IA's inhibition of NTM was pH dependent; as similar and higher quantities (100 mM) of pH adjusted IA (pH 7) did not inhibit growth in vitro, while in an acidic minimal media (pH 6.1), 1 to 5 mM of non-pH adjusted IA inhibited growth. None of the examined isolates displayed the ability to utilize IA as a carbon source, and IA added to M. abscessus isocitrate lyase (ICL) decreased enzymatic activity. Lastly, the addition of cell-permeable 4-octyl itaconate (4-OI) to THP-1 cells enhanced NTM clearance, demonstrating a potential role for IA/itaconate in host defense against NTM infections.
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Affiliation(s)
- Paul Breen
- Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States of America
| | - Madsen Zimbric
- Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States of America
| | - Lindsay J. Caverly
- Department of Pediatrics, University of Michigan Medical School, Ann Arbor, MI, United States of America
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5
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El Amir D, Sayed AM, El-Hawary SS, Elsakhawy OM, Attia EZ, Abdelmohsen UR, Mohammed R. Metabolomic profiling of Medicago sativa-derived fungal endophytes and evaluation of their biological activities. RSC Adv 2024; 14:14296-14302. [PMID: 38690109 PMCID: PMC11059938 DOI: 10.1039/d4ra00790e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 04/07/2024] [Indexed: 05/02/2024] Open
Abstract
This study aimed to discover the potential of Medicago sativa-derived fungal endophytes as a prospective source of bioactive metabolites. In the present study, three different strains of fungal endophyte Aspergillus terreus were isolated from leaves L, roots T and stems St of Medicago sativa to explore their biological and chemical diversity. These isolated fungi were exposed to different fermentation conditions by adding various chemical elicitors to their solid fermentation media. According to LC-HRESIMS-based metabolomics and multivariate analysis, each chemical treatment had a different effect on the chemical profiles of the fungi. Orthogonal Projections to Latent Structures Discriminant Analysis (OPLS-DA) proposed several compounds with anticancer action against MCF-7 (a human breast cancer cell line) and MDA-MB-231 (a human epithelial breast cancer cell line).
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Affiliation(s)
- Dalia El Amir
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University 62514 Beni-Suef Egypt
| | - Ahmed M Sayed
- Department of Pharmacognosy, Collage of Pharmacy, Almaaqal University 61014 Basrah Iraq
| | - Seham S El-Hawary
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University 11936 Cairo Egypt
| | - Omnia M Elsakhawy
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University 62514 Beni-Suef Egypt
| | - Eman Zekry Attia
- Department of Pharmacognosy, Faculty of Pharmacy, Minia University 61519 Minia Egypt
| | - Usama Ramadan Abdelmohsen
- Department of Pharmacognosy, Faculty of Pharmacy, Minia University 61519 Minia Egypt
- Department of Pharmacognosy, Faculty of Pharmacy, Deraya University 61111 New Minia Egypt
| | - Rabab Mohammed
- Department of Pharmacognosy, Faculty of Pharmacy, Beni-Suef University 62514 Beni-Suef Egypt
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6
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Casanova JL, MacMicking JD, Nathan CF. Interferon- γ and infectious diseases: Lessons and prospects. Science 2024; 384:eadl2016. [PMID: 38635718 DOI: 10.1126/science.adl2016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 03/13/2024] [Indexed: 04/20/2024]
Abstract
Infectious diseases continue to claim many lives. Prevention of morbidity and mortality from these diseases would benefit not just from new medicines and vaccines but also from a better understanding of what constitutes protective immunity. Among the major immune signals that mobilize host defense against infection is interferon-γ (IFN-γ), a protein secreted by lymphocytes. Forty years ago, IFN-γ was identified as a macrophage-activating factor, and, in recent years, there has been a resurgent interest in IFN-γ biology and its role in human defense. Here we assess the current understanding of IFN-γ, revisit its designation as an "interferon," and weigh its prospects as a therapeutic against globally pervasive microbial pathogens.
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Affiliation(s)
- Jean-Laurent Casanova
- St. Giles Laboratory of Human Genetics of Infectious Diseases, Rockefeller Branch, The Rockefeller University, New York, NY 10065, USA
- Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA
- Laboratory of Human Genetics of Infectious Diseases, Necker Branch, INSERM, Necker Hospital for Sick Children, 75015 Paris, France
- Imagine Institute, Paris Cité University, 75015 Paris, France
- Department of Pediatrics, Necker Hospital for Sick Children, 75015 Paris, France
| | - John D MacMicking
- Department of Microbial Pathogenesis, Yale University School of Medicine, New Haven, CT 06510, USA
- Department of Immunobiology, Yale University School of Medicine, New Haven, CT 06510, USA
- Yale Systems Biology Institute, Yale University, West Haven, CT 06477, USA
- Howard Hughes Medical Institute, Yale University School of Medicine, New Haven, CT 06510, USA
| | - Carl F Nathan
- Department of Microbiology and Immunology, Weill Cornell Medicine, New York, NY 10065, USA
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7
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Zhou M, Yu H, Bai M, Lu S, Wang C, Ke S, Huang J, Li Z, Xu Y, Yin B, Li X, Feng Z, Fu Y, Jiang H, Ma Y. IRG1 restrains M2 macrophage polarization and suppresses intrahepatic cholangiocarcinoma progression via the CCL18/STAT3 pathway. Cancer Sci 2024; 115:777-790. [PMID: 38228495 PMCID: PMC10920997 DOI: 10.1111/cas.16068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 11/30/2023] [Accepted: 12/27/2023] [Indexed: 01/18/2024] Open
Abstract
Intrahepatic cholangiocarcinoma (ICC) is a highly malignant and aggressive cancer whose incidence and mortality continue to increase, whereas its prognosis remains dismal. Tumor-associated macrophages (TAMs) promote malignant progression and immune microenvironment remodeling through direct contact and secreted mediators. Targeting TAMs has emerged as a promising strategy for ICC treatment. Here, we revealed the potential regulatory function of immune responsive gene 1 (IRG1) in macrophage polarization. We found that IRG1 expression remained at a low level in M2 macrophages. IRG1 overexpression can restrain macrophages from polarizing to the M2 type, which results in inhibition of the proliferation, invasion, and migration of ICC, whereas IRG1 knockdown exerts the opposite effects. Mechanistically, IRG1 inhibited the tumor-promoting chemokine CCL18 and thus suppressed ICC progression by regulating STAT3 phosphorylation. The intervention of IRG1 expression in TAMs may serve as a potential therapeutic target for delaying ICC progression.
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Affiliation(s)
- Menghua Zhou
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Minimally Invasive Hepatic SurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Hongjun Yu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Minimally Invasive Hepatic SurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Miaoyu Bai
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Minimally Invasive Hepatic SurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Shounan Lu
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Minimally Invasive Hepatic SurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Chaoqun Wang
- Department of Hepatobiliary Surgerythe Second Affiliated Hospital of Army Medical UniversityChongqingChina
| | - Shanjia Ke
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Minimally Invasive Hepatic SurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Jingjing Huang
- Department of Thyroid SurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Zihao Li
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Minimally Invasive Hepatic SurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Yanan Xu
- Department of Hepatopancreatobiliary SurgeryAffiliated Hangzhou First People's Hospital, Zhejiang University School of MedicineHangzhouChina
| | - Bing Yin
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Minimally Invasive Hepatic SurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Xinglong Li
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Minimally Invasive Hepatic SurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Zhigang Feng
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, The First Department of General SurgeryThe Affiliated Hospital of Inner Mongolia Minzu UniversityTongliaoChina
| | - Yao Fu
- Department of UltrasoundThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Hongchi Jiang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Hepatic SurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
| | - Yong Ma
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, Department of Minimally Invasive Hepatic SurgeryThe First Affiliated Hospital of Harbin Medical UniversityHarbinChina
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8
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Książek E. Citric Acid: Properties, Microbial Production, and Applications in Industries. Molecules 2023; 29:22. [PMID: 38202605 PMCID: PMC10779990 DOI: 10.3390/molecules29010022] [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: 11/01/2023] [Revised: 12/11/2023] [Accepted: 12/15/2023] [Indexed: 01/12/2024] Open
Abstract
Citric acid finds broad applications in various industrial sectors, such as the pharmaceutical, food, chemical, and cosmetic industries. The bioproduction of citric acid uses various microorganisms, but the most commonly employed ones are filamentous fungi such as Aspergillus niger and yeast Yarrowia lipolytica. This article presents a literature review on the properties of citric acid, the microorganisms and substrates used, different fermentation techniques, its industrial utilization, and the global citric acid market. This review emphasizes that there is still much to explore, both in terms of production process techniques and emerging new applications of citric acid.
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Affiliation(s)
- Ewelina Książek
- Department of Agroenginieering and Quality Analysis, Faculty of Production Engineering, Wroclaw University of Economics and Business, Komandorska 118-120, 53-345 Wrocław, Poland
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9
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Niehoff PJ, Müller W, Pastoors J, Miebach K, Ernst P, Hemmerich J, Noack S, Wierckx N, Büchs J. Development of an itaconic acid production process with Ustilaginaceae on alternative feedstocks. BMC Biotechnol 2023; 23:34. [PMID: 37661280 PMCID: PMC10476437 DOI: 10.1186/s12896-023-00802-9] [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: 02/23/2023] [Accepted: 08/10/2023] [Indexed: 09/05/2023] Open
Abstract
BACKGROUND Currently, Aspergillus terreus is used for the industrial production of itaconic acid. Although, alternative feedstock use in fermentations is crucial for cost-efficient and sustainable itaconic acid production, their utilisation with A. terreus most often requires expensive pretreatment. Ustilaginacea are robust alternatives for itaconic acid production, evading the challenges, including the pretreatment of crude feedstocks regarding reduction of manganese concentration, that A. terreus poses. RESULTS In this study, five different Ustilago strains were screened for their growth and production of itaconic acid on defined media. The most promising strains were then used to find a suitable alternative feedstock, based on the local food industry. U. cynodontis ITA Max pH, a highly engineered production strain, was selected to determine the biologically available nitrogen concentration in thick juice and molasses. Based on these findings, thick juice was chosen as feedstock to ensure the necessary nitrogen limitation for itaconic acid production. U. cynodontis ITA Max pH was further characterised regarding osmotolerance and product inhibition and a successful scale-up to a 2 L stirred tank reactor was accomplished. A titer of 106.4 gitaconic acid/L with a theoretical yield of 0.50 gitaconic acid/gsucrose and a space-time yield of 0.72 gitaconic acid/L/h was reached. CONCLUSIONS This study demonstrates the utilisation of alternative feedstocks to produce ITA with Ustilaginaceae, without drawbacks in either titer or yield, compared to glucose fermentations.
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Affiliation(s)
- Paul-Joachim Niehoff
- AVT - Biochemical Engineering, RWTH Aachen University, Forckenbeckstraße 51, 52074, Aachen, Germany
| | - Waldemar Müller
- AVT - Biochemical Engineering, RWTH Aachen University, Forckenbeckstraße 51, 52074, Aachen, Germany
| | - Johannes Pastoors
- AVT - Biochemical Engineering, RWTH Aachen University, Forckenbeckstraße 51, 52074, Aachen, Germany
| | - Katharina Miebach
- AVT - Biochemical Engineering, RWTH Aachen University, Forckenbeckstraße 51, 52074, Aachen, Germany
| | - Philipp Ernst
- Institute of Bio- and Geosciences IBG-1: Biotechnology, Forschungszentrum Jülich GmbH, Wilhelm-Johnen-Straße, 52428, Jülich, Germany
| | - Johannes Hemmerich
- Institute of Bio- and Geosciences IBG-1: Biotechnology, Forschungszentrum Jülich GmbH, Wilhelm-Johnen-Straße, 52428, Jülich, Germany
| | - Stephan Noack
- Institute of Bio- and Geosciences IBG-1: Biotechnology, Forschungszentrum Jülich GmbH, Wilhelm-Johnen-Straße, 52428, Jülich, Germany
| | - Nick Wierckx
- Institute of Bio- and Geosciences IBG-1: Biotechnology, Forschungszentrum Jülich GmbH, Wilhelm-Johnen-Straße, 52428, Jülich, Germany
| | - Jochen Büchs
- AVT - Biochemical Engineering, RWTH Aachen University, Forckenbeckstraße 51, 52074, Aachen, Germany.
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10
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Zhu X, Zhang Y, Liu H, Yang G, Li L. Microbiome-metabolomics analysis reveals abatement effects of itaconic acid on odorous compound production in Arbor Acre broilers. BMC Microbiol 2023; 23:183. [PMID: 37438695 DOI: 10.1186/s12866-023-02914-w] [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: 04/05/2023] [Accepted: 06/27/2023] [Indexed: 07/14/2023] Open
Abstract
BACKGROUND Public complaints concerning odor emissions from intensive livestock and poultry farms continue to grow, as nauseous odorous compounds have adverse impacts on the environment and human health. Itaconic acid is a metabolite from the citric acid cycle of the host and shows volatile odor-reducing effects during animal production operations. However, the specific role of itaconic acid in decreasing intestinal odorous compound production remains unclear. A total of 360 one-day-old chicks were randomly divided into 6 treatment groups: control group (basal diet) and itaconic acid groups (basal diet + 2, 4, 6, 8 and 10 g/kg itaconic acid). The feeding experiment lasted for 42 d. RESULTS Dietary itaconic acid supplementation linearly and quadratically decreased (P < 0.05) the cecal concentrations of indole and skatole but did not affect (P > 0.05) those of lactic, acetic, propionic and butyric acids. The cecal microbial shift was significant in response to 6 g/kg itaconic acid supplementation, in that the abundances of Firmicutes, Ruminococcus and Clostridium were increased (P < 0.05), while those of Bacteroidetes, Escherichia-Shigella and Bacteroides were decreased (P < 0.05), indicative of increased microbial richness and diversity. Furthermore, a total of 35 significantly (P < 0.05) modified metabolites were obtained by metabolomic analysis. Itaconic acid decreased (P < 0.05) the levels of nicotinic acid, nicotinamide, glucose-6-phosphate, fumatic acid and malic acid and increased (P < 0.05) 5-methoxytroptomine, dodecanoic acid and stearic acid, which are connected with the glycolytic pathway, citrate acid cycle and tryptophan metabolism. Correlation analysis indicated significant correlations between the altered cecal microbiota and metabolites; Firmicutes, Ruminococcus and Clostridium were shown to be negatively correlated with indole and skatole production, while Bacteroidetes, Escherichia-Shigella and Bacteroides were positively correlated with indole and skatole production. CONCLUSIONS Itaconic acid decreased cecal indole and skatole levels and altered the microbiome and metabolome in favor of odorous compound reduction. These findings provide new insight into the role of itaconic acid and expand its application potential in broilers.
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Affiliation(s)
- Xin Zhu
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
| | - Yinhang Zhang
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
| | - Haiying Liu
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China
| | - Guiqin Yang
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China.
| | - Lin Li
- College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China.
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11
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Yuk JM, Park EJ, Kim IS, Jo EK. Itaconate family-based host-directed therapeutics for infections. Front Immunol 2023; 14:1203756. [PMID: 37261340 PMCID: PMC10228716 DOI: 10.3389/fimmu.2023.1203756] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 05/04/2023] [Indexed: 06/02/2023] Open
Abstract
Itaconate is a crucial anti-infective and anti-inflammatory immunometabolite that accumulates upon disruption of the Krebs cycle in effector macrophages undergoing inflammatory stress. Esterified derivatives of itaconate (4-octyl itaconate and dimethyl itaconate) and its isomers (mesaconate and citraconate) are promising candidate drugs for inflammation and infection. Several itaconate family members participate in host defense, immune and metabolic modulation, and amelioration of infection, although opposite effects have also been reported. However, the precise mechanisms by which itaconate and its family members exert its effects are not fully understood. In addition, contradictory results in different experimental settings and a lack of clinical data make it difficult to draw definitive conclusions about the therapeutic potential of itaconate. Here we review how the immune response gene 1-itaconate pathway is activated during infection and its role in host defense and pathogenesis in a context-dependent manner. Certain pathogens can use itaconate to establish infections. Finally, we briefly discuss the major mechanisms by which itaconate family members exert antimicrobial effects. To thoroughly comprehend how itaconate exerts its anti-inflammatory and antimicrobial effects, additional research on the actual mechanism of action is necessary. This review examines the current state of itaconate research in infection and identifies the key challenges and opportunities for future research in this field.
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Affiliation(s)
- Jae-Min Yuk
- Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
- Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
- Department of Infection Biology, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Eun-Jin Park
- Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
- Department of Microbiology, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - In Soo Kim
- Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
- Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
- Department of Pharmacology, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Eun-Kyeong Jo
- Infection Control Convergence Research Center, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
- Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
- Department of Microbiology, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
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12
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Dimethyl Itaconate Inhibits Melanogenesis in B16F10 Cells. Antioxidants (Basel) 2023; 12:antiox12030692. [PMID: 36978940 PMCID: PMC10045371 DOI: 10.3390/antiox12030692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 03/07/2023] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
Itaconate is a metabolite produced to counteract and resolve pro-inflammatory responses when macrophages are challenged with intracellular or extracellular stimuli. In the present study, we have observed that dimethyl itaconate (DMI) inhibits melanogenesis in B16F10 cells. DMI inhibits microphthalmia-associated transcription factor (MITF) and downregulates the expression of MITF target genes, such as tyrosinase (TYR), tyrosinase-related protein 1 (TRP-1), and tyrosinase-related protein 2 (TRP-2). DMI also decreases the level of melanocortin 1 receptor (MC1R) and the production of α-melanocyte stimulating hormone (α-MSH), resulting in the inhibition of extracellular signal-regulated kinase 1/2 (ERK1/2) and MITF activities. The structure–activity relationship (SAR) study illustrates that the α,β-unsaturated carbonyl moiety in DMI, a moiety required to target KELCH-like ECH-associated protein 1 (KEAP1) to activate NF-E2-related factor 2 (NRF2), is necessary to inhibit melanogenesis and knocking down Nrf2 attenuates the inhibition of melanogenesis by DMI. Together, our study reveals that the MC1R-ERK1/2-MITF axis regulated by the KEAP1-NRF2 pathway is the molecular target responsible for the inhibition of melanogenesis by DMI.
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13
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Tran TLC, Callahan DL, Islam MT, Wang Y, Arioli T, Cahill D. Comparative metabolomic profiling of Arabidopsis thaliana roots and leaves reveals complex response mechanisms induced by a seaweed extract. FRONTIERS IN PLANT SCIENCE 2023; 14:1114172. [PMID: 36968386 PMCID: PMC10035662 DOI: 10.3389/fpls.2023.1114172] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
Seaweed extracts are a prominent class of biostimulants that enhance plant health and tolerance to biotic and abiotic stresses due to their unique bioactive components. However, the mechanisms of action of biostimulants are still unknown. Here, we have used a metabolomic approach, a UHPLC-MS method, to uncover the mechanisms induced following application to Arabidopsis thaliana of a seaweed extract derived from Durvillaea potatorum and Ascophyllum nodosum. We have identified, following the application of the extract, key metabolites and systemic responses in roots and leaves across 3 timepoints (0, 3, 5 days). Significant alterations in metabolite accumulation or reduction were found for those belonging to broad groups of compounds such as lipids, amino acids, and phytohormones; and secondary metabolites such as phenylpropanoids, glucosinolates, and organic acids. Strong accumulations of TCA cycle and N-containing and defensive metabolites such as glucosinolates were also found revealing the enhancement of carbon and nitrogen metabolism and defence systems. Our study has demonstrated that application of seaweed extract dramatically altered the metabolomic profiles of Arabidopsis and revealed differences in roots and leaves that varied across the timepoints tested. We also show clear evidence of systemic responses that were initiated in the roots and resulted in metabolic alterations in the leaves. Collectively, our results suggest that this seaweed extract promotes plant growth and activates defence systems by altering various physiological processes at the individual metabolite level.
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Affiliation(s)
- Thi Linh Chi Tran
- School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia
| | - Damien L. Callahan
- School of Life and Environmental Sciences, Centre for Cellular and Molecular Biology, Deakin University, Burwood, VIC, Australia
| | - Md Tohidul Islam
- School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia
| | - Yichao Wang
- School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia
| | - Tony Arioli
- School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia
- Seasol International R&D Department, Bayswater, VIC, Australia
| | - David Cahill
- School of Life and Environmental Sciences, Deakin University, Geelong, VIC, Australia
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14
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Shen L, Chen W, Ding J, Shu G, Chen M, Zhao Z, Xia S, Ji J. The role of metabolic reprogramming of oxygen-induced macrophages in the dynamic changes of atherosclerotic plaques. FASEB J 2023; 37:e22791. [PMID: 36723768 DOI: 10.1096/fj.202201486r] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 01/03/2023] [Accepted: 01/12/2023] [Indexed: 02/02/2023]
Abstract
Atherosclerosis (As) is a chronic vascular inflammatory disease. Macrophages are the most important immune cells in atherosclerotic plaques, and the phenotype of plaque macrophages shifts dynamically to adapt to changes in the plaque microenvironment. The aerobic microenvironment of early atherosclerotic plaques promotes the transformation of M2/alternatively activated macrophages mainly through oxidative phosphorylation; the anoxic microenvironment of advanced atherosclerotic plaques mainly promotes the formation of M1/classically activated macrophages through anaerobic glycolysis; and the adventitia angiogenesis of aged atherosclerotic plaques leads to an increase in the proportion of M2/M1 macrophages. Therefore, this review deeply elucidates the dynamic change mechanism of plaque macrophages and the regulation of plaque oxygen content and immune metabolism to find new targets for the treatment of As.
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Affiliation(s)
- Lin Shen
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, China.,Department of Interventional Radiology, Clinical College of the Affiliated Central Hospital of Lishui University, Lishui, China
| | - Weiyue Chen
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, China.,Department of Interventional Radiology, Clinical College of the Affiliated Central Hospital of Lishui University, Lishui, China
| | - Jiayi Ding
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, China.,Department of Interventional Radiology, Clinical College of the Affiliated Central Hospital of Lishui University, Lishui, China
| | - Gaofeng Shu
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, China.,Department of Interventional Radiology, Clinical College of the Affiliated Central Hospital of Lishui University, Lishui, China
| | - Minjiang Chen
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, China.,Department of Interventional Radiology, Clinical College of the Affiliated Central Hospital of Lishui University, Lishui, China
| | - Zhongwei Zhao
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, China.,Department of Interventional Radiology, Clinical College of the Affiliated Central Hospital of Lishui University, Lishui, China
| | - Shuiwei Xia
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, China.,Department of Interventional Radiology, Clinical College of the Affiliated Central Hospital of Lishui University, Lishui, China
| | - Jiansong Ji
- Key Laboratory of Imaging Diagnosis and Minimally Invasive Intervention Research, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, China.,Department of Interventional Radiology, Clinical College of the Affiliated Central Hospital of Lishui University, Lishui, China
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15
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Synthesis and characterization of citric acid and itaconic acid-based two-pack polyurethane antimicrobial coatings. Polym Bull (Berl) 2023. [DOI: 10.1007/s00289-022-04638-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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16
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Yamada K, Iwamae K, Suzuki Y, Koike S, Kobayashi Y. Batch culture analysis to identify potent organic acids for suppressing ruminal methane production. Anim Sci J 2023; 94:e13873. [PMID: 37721187 DOI: 10.1111/asj.13873] [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: 05/31/2023] [Revised: 07/16/2023] [Accepted: 08/25/2023] [Indexed: 09/19/2023]
Abstract
We performed an in vitro rumen batch culture study to screen 11 commercially available organic acids for methane-suppressing ability and analyzed the rumen microbiota to determine the mode of action of the acids that showed potent methane-suppressing activity. Nine of the 11 acids showed methane-suppressing activity. Maleic anhydride, itaconate, citrate, and fumarate, which showed the highest activity, were further examined. These four acids showed methane-suppressing activity irrespective of the hay-to-concentrate ratios of the substrate. Maleic anhydride and itaconate decreased total gas and short-chain fatty acid production. Maleic anhydride and fumarate increased propionate production, while itaconate increased butyrate production. Maleic anhydride, itaconate, and citrate increased lactate production. Fumarate increased the abundance of bacteria involved in propionate production. Maleic anhydride, itaconate, and citrate increased the abundance of bacteria involved in lactate production. Thus, the results indicate that maleic anhydride, itaconate, and citrate may decrease methane in part by stimulating the acrylate pathway.
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Affiliation(s)
- Kyouko Yamada
- Graduate School of Agriculture, Hokkaido University, Sapporo, Hokkaido, Japan
| | | | - Yutaka Suzuki
- Graduate School of Agriculture, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Satoshi Koike
- Graduate School of Agriculture, Hokkaido University, Sapporo, Hokkaido, Japan
| | - Yasuo Kobayashi
- Graduate School of Agriculture, Hokkaido University, Sapporo, Hokkaido, Japan
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17
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Schmollack M, Werner F, Huber J, Kiefer D, Merkel M, Hausmann R, Siebert D, Blombach B. Metabolic engineering of Corynebacterium glutamicum for acetate-based itaconic acid production. BIOTECHNOLOGY FOR BIOFUELS AND BIOPRODUCTS 2022; 15:139. [PMID: 36517879 PMCID: PMC9753420 DOI: 10.1186/s13068-022-02238-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Accepted: 12/04/2022] [Indexed: 06/17/2023]
Abstract
BACKGROUND Itaconic acid is a promising platform chemical for a bio-based polymer industry. Today, itaconic acid is biotechnologically produced with Aspergillus terreus at industrial scale from sugars. The production of fuels but also of chemicals from food substrates is a dilemma since future processes should rely on carbon sources which do not compete for food or feed. Therefore, the production of chemicals from alternative substrates such as acetate is desirable to develop novel value chains in the bioeconomy. RESULTS In this study, Corynebacterium glutamicum ATCC 13032 was engineered to efficiently produce itaconic acid from the non-food substrate acetate. Therefore, we rewired the central carbon and nitrogen metabolism by inactivating the transcriptional regulator RamB, reducing the activity of isocitrate dehydrogenase, deletion of the gdh gene encoding glutamate dehydrogenase and overexpression of cis-aconitate decarboxylase (CAD) from A. terreus optimized for expression in C. glutamicum. The final strain C. glutamicum ΔramB Δgdh IDHR453C (pEKEx2-malEcadopt) produced 3.43 ± 0.59 g itaconic acid L-1 with a product yield of 81 ± 9 mmol mol-1 during small-scale cultivations in nitrogen-limited minimal medium containing acetate as sole carbon and energy source. Lowering the cultivation temperature from 30 °C to 25 °C improved CAD activity and further increased the titer and product yield to 5.01 ± 0.67 g L-1 and 116 ± 15 mmol mol-1, respectively. The latter corresponds to 35% of the theoretical maximum and so far represents the highest product yield for acetate-based itaconic acid production. Further, the optimized strain C. glutamicum ΔramB Δgdh IDHR453C (pEKEx2-malEcadopt), produced 3.38 ± 0.28 g itaconic acid L-1 at 25 °C from an acetate-containing aqueous side-stream of fast pyrolysis. CONCLUSION As shown in this study, acetate represents a suitable non-food carbon source for itaconic acid production with C. glutamicum. Tailoring the central carbon and nitrogen metabolism enabled the efficient production of itaconic acid from acetate and therefore this study offers useful design principles to genetically engineer C. glutamicum for other products from acetate.
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Affiliation(s)
- Marc Schmollack
- Microbial Biotechnology, Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Uferstraße 53, 94315, Straubing, Germany
| | - Felix Werner
- Microbial Biotechnology, Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Uferstraße 53, 94315, Straubing, Germany
| | - Janine Huber
- Microbial Biotechnology, Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Uferstraße 53, 94315, Straubing, Germany
| | - Dirk Kiefer
- Institute of Food Science and Biotechnology, Department of Bioprocess Engineering, University of Hohenheim, Stuttgart, Germany
| | - Manuel Merkel
- Institute of Food Science and Biotechnology, Department of Bioprocess Engineering, University of Hohenheim, Stuttgart, Germany
| | - Rudolf Hausmann
- Institute of Food Science and Biotechnology, Department of Bioprocess Engineering, University of Hohenheim, Stuttgart, Germany
| | - Daniel Siebert
- Microbial Biotechnology, Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Uferstraße 53, 94315, Straubing, Germany
- SynBiofoundry@TUM, Technical University of Munich, Straubing, Germany
| | - Bastian Blombach
- Microbial Biotechnology, Campus Straubing for Biotechnology and Sustainability, Technical University of Munich, Uferstraße 53, 94315, Straubing, Germany.
- SynBiofoundry@TUM, Technical University of Munich, Straubing, Germany.
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18
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Isocitrate binds to the itaconic acid-responsive LysR-type transcriptional regulator RipR in Salmonella pathogenesis. J Biol Chem 2022; 298:102562. [PMID: 36198361 PMCID: PMC9637912 DOI: 10.1016/j.jbc.2022.102562] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 09/25/2022] [Accepted: 09/29/2022] [Indexed: 11/20/2022] Open
Abstract
Macrophages produce itaconic acid in phagosomes in response to bacterial cell wall component lipopolysaccharide to eliminate invading pathogenic bacteria. Itaconic acid competitively inhibits the first enzyme of the bacterial glyoxylate cycle. To overcome itaconic acid stress, bacteria employ the bacterial LysR-type transcriptional regulator RipR. However, it remains unknown which molecule activates RipR in bacterial pathogenesis. In this study, we determined the crystal structure of the regulatory domain of RipR from the intracellular pathogen Salmonella. The RipR regulatory domain structure exhibited the typical dimeric arrangement with the putative ligand-binding site between the two subdomains. Our isothermal titration calorimetry experiments identified isocitrate as the physiological ligand of RipR, whose intracellular level is increased in response to itaconic acid stress. We further found that 3-phenylpropionic acid significantly decreased the resistance of the bacteria to an itaconic acid challenge. Consistently, the complex structure revealed that the compound is antagonistically bound to the RipR ligand-binding site. This study provides the molecular basis of bacterial survival in itaconic acid stress from our immune systems. Further studies are required to reveal biochemical activity, which would elucidate how Salmonella survives in macrophage phagosomes by defending against itaconic acid inhibition of bacterial metabolism.
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19
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Yang H, Ji H, Li L, Xue W, Zhang L, Zhou X, Wang R. Acrylic Nanocomposites Modified by Biobased Itaconates: Mechanical Properties, Oil Resistance, and Heat Resistance. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hui Yang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic−Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Haijun Ji
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic−Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Liwei Li
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic−Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Wang Xue
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic−Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Liqun Zhang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic−Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xinxin Zhou
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic−Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
| | - Runguo Wang
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, State Key Laboratory of Organic−Inorganic Composites, Beijing Laboratory of Biomedical Materials, Beijing University of Chemical Technology, Beijing 100029, China
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20
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Itaconate Isomers in Bread. Antioxidants (Basel) 2022; 11:antiox11071382. [PMID: 35883873 PMCID: PMC9312323 DOI: 10.3390/antiox11071382] [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: 06/15/2022] [Revised: 07/10/2022] [Accepted: 07/14/2022] [Indexed: 02/04/2023] Open
Abstract
The naturally occurring isomers itaconate, mesaconate and citraconate possess immunomodulatory, antioxidative and antimicrobial properties. However, it is not known whether they occur in commonly consumed human foods. Considering that they can arise as a result of heat conversion, we tested whether they occur in bread, representing a commonly consumed baked good. Using high-performance liquid chromatography−tandem mass spectrometry, we measured concentrations of the three isomers and their potential precursors, citrate and cis-aconitate, in unbaked sourdough and dough, and in crumb and crust of baked bread. All three isomers were detected at low concentrations (<20 pmol/mg dry weight) in sourdough, dough, crumb and crust. Concentrations of itaconate and citraconate were substantially higher in crust than in crumb of wheat and rye bread, and a modest increase in mesaconate was observed in crust of rye bread. In contrast, cis-aconitate concentrations were considerably lower in crust, which was consistent with the conversion of cis-aconitate to itaconate isomers due to higher temperature of the dough surface during baking. Based on data on the average consumption of bread and related baked goods in Germany, the daily intake of itaconate isomers was estimated to be roughly 7−20 µg. Thus, baked goods constitute a regular dietary source of low amounts of itaconate isomers. In order to enable studies on the impact of dietary intake of itaconate isomers on human health, their concentrations should be assessed in other foods that are subjected to high heating.
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21
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Medlock AE, Dailey HA. New Avenues of Heme Synthesis Regulation. Int J Mol Sci 2022; 23:ijms23137467. [PMID: 35806474 PMCID: PMC9267699 DOI: 10.3390/ijms23137467] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/30/2022] [Accepted: 07/02/2022] [Indexed: 02/04/2023] Open
Abstract
During erythropoiesis, there is an enormous demand for the synthesis of the essential cofactor of hemoglobin, heme. Heme is synthesized de novo via an eight enzyme-catalyzed pathway within each developing erythroid cell. A large body of data exists to explain the transcriptional regulation of the heme biosynthesis enzymes, but until recently much less was known about alternate forms of regulation that would allow the massive production of heme without depleting cellular metabolites. Herein, we review new studies focused on the regulation of heme synthesis via carbon flux for porphyrin synthesis to post-translations modifications (PTMs) that regulate individual enzymes. These PTMs include cofactor regulation, phosphorylation, succinylation, and glutathionylation. Additionally discussed is the role of the immunometabolite itaconate and its connection to heme synthesis and the anemia of chronic disease. These recent studies provide new avenues to regulate heme synthesis for the treatment of diseases including anemias and porphyrias.
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Affiliation(s)
- Amy E. Medlock
- Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA 30602, USA
- Augusta University/University of Georgia Medical Partnership, University of Georgia, Athens, GA 30602, USA
- Correspondence: (A.E.M.); (H.A.D.)
| | - Harry A. Dailey
- Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA 30602, USA
- Department of Microbiology, University of Georgia, Athens, GA 30602, USA
- Correspondence: (A.E.M.); (H.A.D.)
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22
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Krátký M, Novotná E, Stolaříková J, Švarcová M, Vinšová J. Substituted N-phenylitaconamides as inhibitors of mycobacteria and mycobacterial isocitrate lyase. Eur J Pharm Sci 2022; 176:106252. [DOI: 10.1016/j.ejps.2022.106252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/16/2022] [Accepted: 07/01/2022] [Indexed: 11/30/2022]
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23
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Targeting the Holy Triangle of Quorum Sensing, Biofilm Formation, and Antibiotic Resistance in Pathogenic Bacteria. Microorganisms 2022; 10:microorganisms10061239. [PMID: 35744757 PMCID: PMC9228545 DOI: 10.3390/microorganisms10061239] [Citation(s) in RCA: 43] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 06/12/2022] [Accepted: 06/14/2022] [Indexed: 12/12/2022] Open
Abstract
Chronic and recurrent bacterial infections are frequently associated with the formation of biofilms on biotic or abiotic materials that are composed of mono- or multi-species cultures of bacteria/fungi embedded in an extracellular matrix produced by the microorganisms. Biofilm formation is, among others, regulated by quorum sensing (QS) which is an interbacterial communication system usually composed of two-component systems (TCSs) of secreted autoinducer compounds that activate signal transduction pathways through interaction with their respective receptors. Embedded in the biofilms, the bacteria are protected from environmental stress stimuli, and they often show reduced responses to antibiotics, making it difficult to eradicate the bacterial infection. Besides reduced penetration of antibiotics through the intricate structure of the biofilms, the sessile biofilm-embedded bacteria show reduced metabolic activity making them intrinsically less sensitive to antibiotics. Moreover, they frequently express elevated levels of efflux pumps that extrude antibiotics, thereby reducing their intracellular levels. Some efflux pumps are involved in the secretion of QS compounds and biofilm-related materials, besides being important for removing toxic substances from the bacteria. Some efflux pump inhibitors (EPIs) have been shown to both prevent biofilm formation and sensitize the bacteria to antibiotics, suggesting a relationship between these processes. Additionally, QS inhibitors or quenchers may affect antibiotic susceptibility. Thus, targeting elements that regulate QS and biofilm formation might be a promising approach to combat antibiotic-resistant biofilm-related bacterial infections.
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Zhao M, Li Y, Wang F, Ren Y, Wei D. A CRISPRi mediated self-inducible system for dynamic regulation of TCA cycle and improvement of itaconic acid production in Escherichia coli. Synth Syst Biotechnol 2022; 7:982-988. [PMID: 35782485 PMCID: PMC9213231 DOI: 10.1016/j.synbio.2022.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 05/26/2022] [Accepted: 05/27/2022] [Indexed: 11/17/2022] Open
Abstract
Itaconic acid (ITA), an effective alternative fossil fuel, derives from the bypass pathway of the tricarboxylic acid (TCA) cycle. Therefore, the imbalance of metabolic flux between TCA cycle and ITA biosynthetic pathway seriously limits the production of ITA. The optimization of flux distribution between biomass and production has the potential to the productivity of ITA. Based on the previously constructed strain Escherichia coli MG1655 Δ1-SAS-3 (ITA titer: 1.87 g/L), a CRISPRi-mediated self-inducible system (CiMS), which contained a responsive module based on the ITA biosensor YpItcR/Pccl and a regulative CRISPRi-mediated interferential module, was developed to regulate the flux of the TCA cycle and to enhance the capacity of the strain to produce ITA. First, a higher ITA-yielding strain, Δ4-Prmd-SAS-3 (ITA titer: 3.20 g/L), derived from Δ1-SAS-3, was constructed by replacing the promoter PJ23100, for the expression of ITA synthesis genes, with Prmd and knocking out the three bypass genes poxB, pflB, and ldhA. Subsequently, the CiMS was used to inhibit the expression of key genes icd, pykA, and sucCD to dynamically balance the metabolic flux between TCA cycle and ITA biosynthetic pathway during the ITA production stage. The constructed strain Δ4-Prmd-SAS-3 under the dynamic regulation of the CiMS, showed a 23% increase in the ITA titer, which reached 3.93 g/L. This study indicated that CiMS was a practical strategy to dynamically and precisely regulated the metabolic flux in microbial cell factories.
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Affiliation(s)
- Ming Zhao
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
- Anhui Engineering Laboratory for Industrial Microbiology Molecular Breeding, College of Biology and Food Engineering, Anhui Polytechnic University, Wuhu, 241000, China
| | - Yuting Li
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
| | - Fengqing Wang
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
- Corresponding author.
| | - Yuhong Ren
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
- Corresponding author.
| | - Dongzhi Wei
- State Key Lab of Bioreactor Engineering, Newworld Institute of Biotechnology, East China University of Science and Technology, Shanghai, 200237, China
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Abstract
Nontuberculous mycobacterial (NTM) pulmonary infections in people with cystic fibrosis (CF) are associated with significant morbidity and mortality and are increasing in prevalence. Host risk factors for NTM infection in CF are largely unknown. We hypothesize that the airway microbiota represents a host risk factor for NTM infection. In this study, 69 sputum samples were collected from 59 people with CF; 42 samples from 32 subjects with NTM infection (14 samples collected before incident NTM infection and 28 samples collected following incident NTM infection) were compared to 27 samples from 27 subjects without NTM infection. Sputum samples were analyzed with 16S rRNA gene sequencing and metabolomics. A supervised classification and correlation analysis framework (sparse partial least-squares discriminant analysis [sPLS-DA]) was used to identify correlations between the microbial and metabolomic profiles of the NTM cases compared to the NTM-negative controls. Several metabolites significantly differed in the NTM cases compared to controls, including decreased levels of tryptophan-associated and branched-chain amino acid metabolites, while compounds involved in phospholipid metabolism displayed increased levels. When the metabolome and microbiome data were integrated by sPLS-DA, the models and component ordinations showed separation between the NTM and control samples. While this study could not determine if the observed differences in sputum metabolites between the cohorts reflect metabolic changes that occurred as a result of the NTM infection or metabolic features that contributed to NTM acquisition, it is hypothesis generating for future work to investigate host and bacterial community factors that may contribute to NTM infection risk in CF. IMPORTANCE Host risk factors for nontuberculous mycobacterial (NTM) infection in people with cystic fibrosis (CF) are largely unclear. The goal of this study was to help identify potential host and bacterial community risk factors for NTM infection in people with CF, using microbiome and metabolome data from CF sputum samples. The data obtained in this study identified several metabolic profile differences in sputum associated with NTM infection in CF, including 2-methylcitrate/homocitrate and selected ceramides. These findings represent potential risk factors and therapeutic targets for preventing and/or treating NTM infections in people with CF.
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Li Y, Gong W, Li W, Liu P, Liu J, Jiang H, Zheng T, Wu J, Wu X, Zhao Y, Ren J. The IRG1-Itaconate axis: A regulatory hub for immunity and metabolism in macrophages. Int Rev Immunol 2022; 42:364-378. [PMID: 35468044 DOI: 10.1080/08830185.2022.2067153] [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: 01/23/2022] [Accepted: 04/12/2022] [Indexed: 10/18/2022]
Abstract
Metabolism could be served as a guiding force for immunity, and macrophages undergo drastic metabolic reprogramming during inflammatory processes, including enhancing glycolysis and reshaping the tricarboxylic acid cycle (TCA) cycle. The disrupted TCA cycle facilitates itaconate accumulation, consistent with the significant up-regulation of immune response gene 1 (IRG1) in activated macrophages. IRG1 catalyzes the decarboxylation of cis-aconitate to synthesize itaconate, and notably, the IRG1-Itaconate axis has excellent potential to link macrophages' immunity and metabolism. Here, we review vital molecules that affect the activation of the IRG1-Itaconate axis, including interferon regulatory factor 1/9 (IRF1/9), transcription 1 and 3 (STAT1/3), CCAAT enhancer-binding protein β (C/EBPβ), and the protein kinase C (PKC). We then focus on how the IRG1-Itaconate axis regulates the inflammatory pathway in macrophages, proposed to involve kelch-like ECH-associated protein 1 (Keap1), NOD-, LRR- and pyrin domain-containing 3 (NLRP3), gasdermin D (GSDMD), activating transcription factor 3 (ATF3), receptor-interacting protein kinase-3 (RIPK3), et al. In addition, we provide an overview of the way the axis participates in the metabolism of macrophages. Eventually, we summarize current connections between the IRG1-Itaconate axis and inflammatory diseases, bringing light to new therapeutic opportunities in inflammatory diseases.
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Affiliation(s)
- Yangguang Li
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Wenbin Gong
- School of Medicine, Southeast University, Nanjing, China, Nanjing, China
| | - Weizhen Li
- School of Medicine, Anhui University of Science and Technology, Huainan, China
| | - Peizhao Liu
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Juanhan Liu
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Haiyang Jiang
- Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, China
| | - Tao Zheng
- Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, China
| | - Jie Wu
- Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, China
| | - Xiuwen Wu
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Yun Zhao
- Department of General Surgery, BenQ Medical Center, The Affiliated BenQ Hospital of Nanjing Medical University, Nanjing, China
| | - Jianan Ren
- Research Institute of General Surgery, Jinling Hospital, Medical School of Nanjing University, Nanjing, China
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Kim HW, Yu AR, Lee JW, Yoon HS, Lee BS, Park HW, Lee SK, Lee YI, Whang J, Kim JS. Aconitate Decarboxylase 1 Deficiency Exacerbates Mouse Colitis Induced by Dextran Sodium Sulfate. Int J Mol Sci 2022; 23:ijms23084392. [PMID: 35457208 PMCID: PMC9025264 DOI: 10.3390/ijms23084392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 04/10/2022] [Accepted: 04/13/2022] [Indexed: 01/01/2023] Open
Abstract
Ulcerative colitis is a complex inflammatory bowel disorder disease that can induce rectal and colonic dysfunction. Although the prevalence of IBD in Western countries is almost 0.5% of the general population, genetic causes are still not fully understood. In a recent discovery, itaconate was found to function as an immune-modulating metabolite in mammalian immune cells, wherein it is synthesized as an antimicrobial compound from the citric acid cycle intermediate cis-aconitic acid. However, the association between the Acod1 (Aconitate decarboxylase 1)-itaconate axis and ulcerative colitis has rarely been studied. To elucidate this, we established a DSS-induced colitis model with Acod1-deficient mice and then measured the mouse body weights, colon lengths, histological changes, and cytokines/chemokines in the colon. We first confirmed the upregulation of Acod1 RNA and protein expression levels in DSS-induced colitis. Then, we found that colitis symptoms, including weight loss, the disease activity index, and colon shortening, were worsened by the depletion of Acod1. In addition, the extent of intestinal epithelial barrier breakdown, the extent of immune cell infiltration, and the expression of proinflammatory cytokines and chemokines in Acod1-deficient mice were higher than those in wild-type mice. Finally, we confirmed that 4-octyl itaconate (4-OI) alleviated DSS-induced colitis in Acod1-deficient mice and decreased the expression of inflammatory cytokines and chemokines. To our knowledge, this study is the first to elucidate the role of the Acod1-itaconate axis in colitis. Our data clearly showed that Acod1 deletion resulted in severe DSS-induced colitis and substantial increases in inflammatory cytokine and chemokine levels. Our results suggest that Acod1 may normally play an important regulatory role in the pathogenesis of colitis, demonstrating the potential for novel therapies using 4-OI.
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Affiliation(s)
- Ho Won Kim
- Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon 35365, Korea; (H.W.K.); (A.-R.Y.); (J.W.L.); (H.S.Y.)
| | - A-Reum Yu
- Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon 35365, Korea; (H.W.K.); (A.-R.Y.); (J.W.L.); (H.S.Y.)
| | - Ji Won Lee
- Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon 35365, Korea; (H.W.K.); (A.-R.Y.); (J.W.L.); (H.S.Y.)
| | - Hoe Sun Yoon
- Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon 35365, Korea; (H.W.K.); (A.-R.Y.); (J.W.L.); (H.S.Y.)
| | - Byung Soo Lee
- Department of Ophthalmology, Konyang University Hospital and College of Medicine, Daejeon 35365, Korea;
| | - Hwan-Woo Park
- Department of Cell Biology, Konyang University College of Medicine, Daejeon 35365, Korea;
| | - Sung Ki Lee
- Department of Obstetrics and Gynecology, Konyang University Hospital, Daejeon 35365, Korea;
| | - Young Ik Lee
- Lee’s Biotech Co., 415, C Dong, 17 Techno 4-ro, Yuseong-gu, Daejeon 34013, Korea;
| | - Jake Whang
- Korea Mycobacterium Resource Center (KMRC), Department of Research and Development, The Korean Institute of Tuberculosis, Osong 28158, Korea;
| | - Jong-Seok Kim
- Myunggok Medical Research Institute, College of Medicine, Konyang University, Daejeon 35365, Korea; (H.W.K.); (A.-R.Y.); (J.W.L.); (H.S.Y.)
- Correspondence: ; Tel.: +82-42-600-8648
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Wang Q, Li H, Zhang G, Chen X, Wang X. Itaconate prolongs the healthy lifespan by activating UPR mt in Caenorhabditis elegans. Eur J Pharmacol 2022; 923:174951. [PMID: 35405114 DOI: 10.1016/j.ejphar.2022.174951] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/29/2022] [Accepted: 04/05/2022] [Indexed: 11/18/2022]
Abstract
Itaconate (ItA), a byproduct of the Krebs cycle, has recently emerged as an anti-inflammatory metabolite for inhibiting the overactive immune response. In addition to its immunomodulatory and antimicrobial effects, ItA may have other therapeutic avenues. Herein, the effect of ItA on aging was explored in order to better establish the therapeutic potential of this promising metabolite. ItA extended the lifespan and enhanced the stress resistance of Caenorhabditis elegans (C. elegans), even at the doses of 0.01 and 0.1 μM. Moreover, the lifespan extension effect of ItA was pronounced even for the aged worms (days 7 and 9 post adult stage). Furthermore, ItA was found to extend the healthy longevity of C. elegans in a mitochondria-dependent manner. ItA protected the mitochondrial integrity, increased ATP content, and decreased the reactive oxygen species (ROS) in C. elegans. Mechanistic investigations showed that ItA specifically activated the mitochondrial unfolded protein response (UPRmt) in worms and significantly increased the expression of activating transcription factor associated with stress-1 (ATFS-1) that senses mitochondrial stress and communicates with the nucleus during the UPRmt. ItA extended the lifespan of C. elegans in an ATFS-1-dependent manner. In summary, this study elucidates the molecular mechanism by which ItA extends the healthy lifespan and highlights the importance of mitochondrial integrity in the intervention of aging.
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Affiliation(s)
- Qingqing Wang
- School of Chemistry and Life Science, Changchun University of Technology, Changchun, Jilin, 130012, China
| | - Hongyuan Li
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, China
| | - Gangwei Zhang
- School of Chemistry and Life Science, Changchun University of Technology, Changchun, Jilin, 130012, China
| | - Xiaoguang Chen
- School of Chemistry and Life Science, Changchun University of Technology, Changchun, Jilin, 130012, China; College of Humanities and information, Changchun University of Technology, Changchun, Jilin, 130122, China.
| | - Xiaohui Wang
- Laboratory of Chemical Biology, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, China; School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, 230026, China; Beijing National Laboratory for Molecular Sciences, Beijing, 100190, China.
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State of the Art on the Microbial Production of Industrially Relevant Organic Acids. Catalysts 2022. [DOI: 10.3390/catal12020234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The industrial relevance of organic acids is high; because of their chemical properties, they can be used as building blocks as well as single-molecule agents with a huge annual market. Organic acid chemical platforms can derive from fossil sources by petrochemical refining processes, but most of them also represent natural metabolites produced by many cells. They are the products, by-products or co-products of many primary metabolic processes of microbial cells. Thanks to the potential of microbial cell factories and to the development of industrial biotechnology, from the last decades of the previous century, the microbial-based production of these molecules has started to approach the market. This was possible because of a joint effort of microbial biotechnologists and biochemical and process engineers that boosted natural production up to the titer, yield and productivity needed to be industrially competitive. More recently, the possibility to utilize renewable residual biomasses as feedstock not only for biofuels, but also for organic acids production is further augmenting the sustainability of their production, in a logic of circular bioeconomy. In this review, we briefly present the latest updates regarding the production of some industrially relevant organic acids (citric fumaric, itaconic, lactic and succinic acid), discussing the challenges and possible future developments of successful production.
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Duncan D, Auclair K. Itaconate: an antimicrobial metabolite of macrophages. CAN J CHEM 2022. [DOI: 10.1139/cjc-2021-0117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Itaconate is a conjugated 1,4-dicarboxylate produced by macrophages. This small molecule has recently received increasing attention due to its role in modulating the immune response of macrophages upon exposure to pathogens. Itaconate has also been proposed to play an antimicrobial function; however, this has not been explored as intensively. Consistent with the latter, itaconate is known to show antibacterial activity in vitro and was reported to inhibit isocitrate lyase, an enzyme required for survival of bacterial pathogens in mammalian systems. Recent studies have revealed bacterial growth inhibition under biologically relevant conditions. In addition, an antimicrobial role for itaconate is substantiated by the high concentration of itaconate found in bacteria-containing vacuoles, and by the production of itaconate-degrading enzymes in pathogens such as Salmonella enterica ser. Typhimurium, Pseudomonas aeruginosa, and Yersinia pestis. This review describes the current state of literature in understanding the role of itaconate as an antimicrobial agent in host–pathogen interactions.
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Affiliation(s)
- Dustin Duncan
- Department of Chemistry, McGill University, Montreal, QC H3A 0B8, Canada
- Department of Chemistry, McGill University, Montreal, QC H3A 0B8, Canada
| | - Karine Auclair
- Department of Chemistry, McGill University, Montreal, QC H3A 0B8, Canada
- Department of Chemistry, McGill University, Montreal, QC H3A 0B8, Canada
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Fu L, Liu H, Cai W, Han D, Zhu X, Yang Y, Xie S. 4-Octyl Itaconate Supplementation Relieves Soybean Diet-Induced Liver Inflammation and Glycolipid Metabolic Disorders by Activating the Nrf2-Pparγ Pathway in Juvenile Gibel Carp. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:520-531. [PMID: 34881880 DOI: 10.1021/acs.jafc.1c05783] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Itaconate is a promising new candidate for anti-inflammatory and metabolic reprogramming, and 4-octyl itaconate (OI) is a cell-permeable itaconate derivative. To investigate the effect of OI in inflammatory response and glycolipid metabolism, we fed gibel carp with a 40% dietary soybean meal diet containing 0.1% OI (SBM + 0.1OI) or not (SBM) and compared these with fishmeal (FM) as reference. Compared with FM, dietary SBM decreased the growth performance, induced inflammation in the intestine and liver, and decreased the glucose utilization ability of the liver. However, 0.1% OI supplementation in SBM significantly increased the growth performance (from 20.11 ± 0.77 to 23.33 ± 0.45 g, P < 0.05), reduced inflammation in different organs through Nrf2 activation, and alleviated SBM-induced high plasma glucose (from 6.06 ± 0.23 to 4.37 ± 0.14 g, P < 0.05) and low crude body lipid (from 4.08 ± 0.17 to 4.91 ± 0.10 g, P < 0.05). Multi-omics revealed that OI had obvious effects on carbohydrate metabolism. OI regulates peroxisome proliferator-activated receptor gamma (ppar-γ), and its target genes (glut2 and gk) enhance liver glycolysis and lipid de novo lipogenesis, which are also dependent on Nrf2 activation. To conclude, dietary 0.1% OI can promote the growth of gibel carp and alleviate foodborne intestinal and hepatic inflammation and abnormal glycolipid metabolism by Nrf2-regulated Pparγ expression.
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Affiliation(s)
- Lele Fu
- State Key Laboratory of Fresh Water Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Haokun Liu
- State Key Laboratory of Fresh Water Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Wanjie Cai
- State Key Laboratory of Fresh Water Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Dong Han
- State Key Laboratory of Fresh Water Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
- Hubei Engineering Research Center for Aquatic Animal Nutrition and Feed, Wuhan 430072, China
| | - Xiaoming Zhu
- State Key Laboratory of Fresh Water Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- Hubei Engineering Research Center for Aquatic Animal Nutrition and Feed, Wuhan 430072, China
| | - Yunxia Yang
- State Key Laboratory of Fresh Water Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Shouqi Xie
- State Key Laboratory of Fresh Water Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
- University of the Chinese Academy of Sciences, Beijing 100049, China
- Hubei Engineering Research Center for Aquatic Animal Nutrition and Feed, Wuhan 430072, China
- The Innovative Academy of Seed Design, Chinese Academy of Sciences, Wuhan 430072, China
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Alfaro AC, Nguyen TV, Rodríguez JA, Bayot B, Domínguez-Borbor C, Sonnenholzner S, Azizan A, Venter L. Evaluation of immune stimulatory products for whiteleg shrimp (Penaeus vannamei) by a metabolomics approach. FISH & SHELLFISH IMMUNOLOGY 2022; 120:421-428. [PMID: 34896292 DOI: 10.1016/j.fsi.2021.12.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Revised: 12/05/2021] [Accepted: 12/07/2021] [Indexed: 06/14/2023]
Abstract
The use of probiotics, prebiotics and dietary fiber has become a common practice in shrimp aquaculture as alternatives to antibiotic treatment. However, not much is known about the metabolic mechanisms underlying the effects of probiotics and immunostimulant used in shrimp aquaculture. In this study, a gas chromatography-mass spectrometry (GC-MS) based metabolomics approach was used to characterize metabolite profiles of haemolymph and gills of whiteleg shrimp (Penaeus vannamei) exposed to four treatments (cellulose fiber, probiotics with Vibrio alginolyticus, a combination of cellulose fiber and V. alginolyticus and a control treatment). The cellulose fiber was administrated as a feed additive (100 mg⋅Kg-1 feed), while the probiotics was applied in the water (105 UFC⋅mL-1 culture water). The results showed significant differences in haemolymph metabolite profiles of immune stimulated treatments compared to the control and among treatments. The combination of cellulose fiber and probiotics resulted in greater differences in metabolic profiles, suggesting a better immune stimulation with this approach. The changes in haemolymph metabolome of treated shrimp reflected several biochemical pathway modifications, including changes in amino acid and fatty acid metabolism, disturbances in energy metabolism and antimicrobial activity and stress responses. For gill tissues, significant differences were only found in lactic acid between the probiotic group and the control. Among the altered metabolites, the increases of itaconic acid in haemolymph, and lactic acid in both haemolymph and gill tissues of immune-stimulated suggest the potential use of these metabolites as biomarkers for health assessment in aquaculture.
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Affiliation(s)
- Andrea C Alfaro
- Aquaculture Biotechnology Research Group, School of Science, Auckland University of Technology, Auckland, New Zealand.
| | - Thao V Nguyen
- Aquaculture Biotechnology Research Group, School of Science, Auckland University of Technology, Auckland, New Zealand; NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, 755414, Viet Nam
| | - Jenny A Rodríguez
- Escuela Superior Politécnica del Litoral, ESPOL, Centro Nacional de Acuicultura e Investigaciones Marinas, CENAIM, Guayaquil, Ecuador
| | - Bonny Bayot
- Escuela Superior Politécnica del Litoral, ESPOL, Centro Nacional de Acuicultura e Investigaciones Marinas, CENAIM, Guayaquil, Ecuador
| | - Cristóbal Domínguez-Borbor
- Escuela Superior Politécnica del Litoral, ESPOL, Centro Nacional de Acuicultura e Investigaciones Marinas, CENAIM, Guayaquil, Ecuador
| | - Stanislaus Sonnenholzner
- Escuela Superior Politécnica del Litoral, ESPOL, Centro Nacional de Acuicultura e Investigaciones Marinas, CENAIM, Guayaquil, Ecuador
| | - Awanis Azizan
- Aquaculture Biotechnology Research Group, School of Science, Auckland University of Technology, Auckland, New Zealand
| | - Leonie Venter
- Aquaculture Biotechnology Research Group, School of Science, Auckland University of Technology, Auckland, New Zealand
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Sohail A, Iqbal AA, Sahini N, Chen F, Tantawy M, Waqas SF, Winterhoff M, Ebensen T, Schultz K, Geffers R, Schughart K, Preusse M, Shehata M, Bähre H, Pils MC, Guzman CA, Mostafa A, Pleschka S, Falk C, Michelucci A, Pessler F. Itaconate and derivatives reduce interferon responses and inflammation in influenza A virus infection. PLoS Pathog 2022; 18:e1010219. [PMID: 35025971 PMCID: PMC8846506 DOI: 10.1371/journal.ppat.1010219] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 02/15/2022] [Accepted: 12/17/2021] [Indexed: 02/06/2023] Open
Abstract
Excessive inflammation is a major cause of morbidity and mortality in many viral infections including influenza. Therefore, there is a need for therapeutic interventions that dampen and redirect inflammatory responses and, ideally, exert antiviral effects. Itaconate is an immunomodulatory metabolite which also reprograms cell metabolism and inflammatory responses when applied exogenously. We evaluated effects of endogenous itaconate and exogenous application of itaconate and its variants dimethyl- and 4-octyl-itaconate (DI, 4OI) on host responses to influenza A virus (IAV). Infection induced expression of ACOD1, the enzyme catalyzing itaconate synthesis, in monocytes and macrophages, which correlated with viral replication and was abrogated by DI and 4OI treatment. In IAV-infected mice, pulmonary inflammation and weight loss were greater in Acod1-/- than in wild-type mice, and DI treatment reduced pulmonary inflammation and mortality. The compounds reversed infection-triggered interferon responses and modulated inflammation in human cells supporting non-productive and productive infection, in peripheral blood mononuclear cells, and in human lung tissue. All three itaconates reduced ROS levels and STAT1 phosphorylation, whereas AKT phosphorylation was reduced by 4OI and DI but increased by itaconate. Single-cell RNA sequencing identified monocytes as the main target of infection and the exclusive source of ACOD1 mRNA in peripheral blood. DI treatment silenced IFN-responses predominantly in monocytes, but also in lymphocytes and natural killer cells. Ectopic synthesis of itaconate in A549 cells, which do not physiologically express ACOD1, reduced infection-driven inflammation, and DI reduced IAV- and IFNγ-induced CXCL10 expression in murine macrophages independent of the presence of endogenous ACOD1. The compounds differed greatly in their effects on cellular gene homeostasis and released cytokines/chemokines, but all three markedly reduced release of the pro-inflammatory chemokines CXCL10 (IP-10) and CCL2 (MCP-1). Viral replication did not increase under treatment despite the dramatically repressed IFN responses. In fact, 4OI strongly inhibited viral transcription in peripheral blood mononuclear cells, and the compounds reduced viral titers (4OI>Ita>DI) in A549 cells whereas viral transcription was unaffected. Taken together, these results reveal itaconates as immunomodulatory and antiviral interventions for influenza virus infection. Interferon responses are part of the primary host defenses against infections. However, excessive inflammation is often a major factor in severe disease or even death in respiratory infections such as influenza, as it can lead to acute respiratory distress syndrome and sepsis-like multiorgan involvement. We applied itaconate and chemically modified versions of it (which enter cells more efficiently and can be applied at lower doses) to influenza A virus-infected human cells and lung tissue and found that these compounds markedly repress interferon responses and some pro-inflammatory processes without increasing viral replication. In fact, 4-octyl itaconate greatly decreased viral RNA replication in peripheral blood, and itaconate and 4-octyl itaconate reduced production of infectious virus in a human lung cell line. By analyzing gene expression patterns of single mononuclear cells in peripheral blood, we found that the virus infects predominantly monocytes and that these cells are the only source of ACOD1, the enzyme that synthesizes itaconate in humans. In a mouse model of influenza A virus infection, dimethyl-itaconate prevented lung inflammation and improved survival. Thus, our results suggest that novel medications based on itaconate promise to be effective treatments for influenza because they reduce deleterious inflammation and potentially also limit viral spread in the patient.
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Affiliation(s)
- Aaqib Sohail
- Biomarkers for Infectious Diseases, Helmholtz Centre for Infection Research, Braunschweig, Germany
- TWINCORE Centre for Experimental and Clinical Infection Research, Hannover, Germany
| | - Azeem A. Iqbal
- Biomarkers for Infectious Diseases, Helmholtz Centre for Infection Research, Braunschweig, Germany
- TWINCORE Centre for Experimental and Clinical Infection Research, Hannover, Germany
| | - Nishika Sahini
- Biomarkers for Infectious Diseases, Helmholtz Centre for Infection Research, Braunschweig, Germany
- TWINCORE Centre for Experimental and Clinical Infection Research, Hannover, Germany
| | - Fangfang Chen
- Biomarkers for Infectious Diseases, Helmholtz Centre for Infection Research, Braunschweig, Germany
- TWINCORE Centre for Experimental and Clinical Infection Research, Hannover, Germany
| | - Mohamed Tantawy
- Biomarkers for Infectious Diseases, Helmholtz Centre for Infection Research, Braunschweig, Germany
- TWINCORE Centre for Experimental and Clinical Infection Research, Hannover, Germany
- Hormones Department, Medical Research and Clinical Studies Institute, National Research Center, Dokki, Giza, Egypt
- Stem Cells Lab, Center of Excellence for Advanced Sciences, National Research Center, Dokki, Giza, Egypt
| | - Syed F.H. Waqas
- Biomarkers for Infectious Diseases, Helmholtz Centre for Infection Research, Braunschweig, Germany
- TWINCORE Centre for Experimental and Clinical Infection Research, Hannover, Germany
| | - Moritz Winterhoff
- Biomarkers for Infectious Diseases, Helmholtz Centre for Infection Research, Braunschweig, Germany
- TWINCORE Centre for Experimental and Clinical Infection Research, Hannover, Germany
| | - Thomas Ebensen
- Vaccinology and Applied Microbiology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Kristin Schultz
- Infection Genetics, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Robert Geffers
- Genome Analytics, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Klaus Schughart
- Infection Genetics, Helmholtz Centre for Infection Research, Braunschweig, Germany
- University of Veterinary Medicine Hannover, Hannover, Germany
- Department of Microbiology, Immunology and Biochemistry, University of Tennessee Health Science Center, Memphis, Tennessee, United States of America
| | - Matthias Preusse
- Biomarkers for Infectious Diseases, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Mahmoud Shehata
- Institute for Medical Virology, Justus-Liebig-University, Giessen, Germany
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza, Egypt
| | - Heike Bähre
- Research Core Unit Metabolomics, Hannover Medical School, Hannover, Germany
| | - Marina C. Pils
- Mouse Pathology Platform, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Carlos A. Guzman
- Vaccinology and Applied Microbiology, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Ahmed Mostafa
- Institute for Medical Virology, Justus-Liebig-University, Giessen, Germany
- Center of Scientific Excellence for Influenza Viruses, National Research Centre, Giza, Egypt
| | - Stephan Pleschka
- Institute for Medical Virology, Justus-Liebig-University, Giessen, Germany
- German Center for Infection Research (DZIF) partner site Giessen, Germany
| | - Christine Falk
- Department of Transplantation Immunology, Hannover Medical School, Hannover, Germany
| | - Alessandro Michelucci
- Neuro-Immunology Group, Department of Cancer Research, Luxembourg Institute of Health (LIH), Luxembourg
- Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg
| | - Frank Pessler
- Biomarkers for Infectious Diseases, Helmholtz Centre for Infection Research, Braunschweig, Germany
- TWINCORE Centre for Experimental and Clinical Infection Research, Hannover, Germany
- Centre for Individualised Infection Medicine, Hannover, Germany
- * E-mail: , frank.pesslerwincore.de
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Rózsenberszki T, Komáromy P, Hülber-Beyer É, Bakonyi P, Nemestóthy N, Bélafi-Bakó K. Demonstration of bipolar membrane electrodialysis technique for itaconic acid recovery from real fermentation effluent of Aspergillus terreus. Chem Eng Res Des 2021. [DOI: 10.1016/j.cherd.2021.09.022] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Itaconate as an inflammatory mediator and therapeutic target in cardiovascular medicine. Biochem Soc Trans 2021; 49:2189-2198. [PMID: 34665229 PMCID: PMC8589439 DOI: 10.1042/bst20210269] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 09/23/2021] [Accepted: 09/28/2021] [Indexed: 01/11/2023]
Abstract
Inflammation is a critical component of cardiovascular disease (CVD), encompassing coronary artery disease (CAD), cerebrovascular events and heart failure and is the leading cause of mortality worldwide. In recent years, metabolism has been placed centrally in the governance of the immune response. Termed immunometabolism, immune cells adapt cellular metabolic pathways to meet demands of activation and thus function. This rewiring influences not only the bioenergetics of the cell but altered metabolites act as signalling molecules to regulate cellular response. In this review, we focus on the TCA cycle derivative, itaconate, as one such metabolite with promising immunomodulatory and therapeutic potential in inflammatory cardiovascular disease.
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Abstract
Mitochondria are considered to be the powerhouse of the cell. Normal functioning of the mitochondria is not only essential for cellular energy production but also for several immunomodulatory processes. Macrophages operate in metabolic niches and rely on rapid adaptation to specific metabolic conditions such as hypoxia, nutrient limitations, or reactive oxygen species to neutralize pathogens. In this regard, the fast reprogramming of mitochondrial metabolism is indispensable to provide the cells with the necessary energy and intermediates to efficiently mount the inflammatory response. Moreover, mitochondria act as a physical scaffold for several proteins involved in immune signaling cascades and their dysfunction is immediately associated with a dampened immune response. In this review, we put special focus on mitochondrial function in macrophages and highlight how mitochondrial metabolism is involved in macrophage activation.
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Affiliation(s)
- Mohamed Zakaria Nassef
- Department of Bioinformatics and Biochemistry, Braunschweig Integrated Center of Systems Biology (BRICS), Technische Universität Braunschweig, Brunswick, Germany
| | - Jasmin E Hanke
- Department of Bioinformatics and Biochemistry, Braunschweig Integrated Center of Systems Biology (BRICS), Technische Universität Braunschweig, Brunswick, Germany
| | - Karsten Hiller
- Department of Bioinformatics and Biochemistry, Braunschweig Integrated Center of Systems Biology (BRICS), Technische Universität Braunschweig, Brunswick, Germany
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Qu C, Dai E, Lai T, Cao G, Liu J, Kang R, Han L, Tang D, Zhou D. Itaconic acid induces ferroptosis by activating ferritinophagy. Biochem Biophys Res Commun 2021; 583:56-62. [PMID: 34735880 DOI: 10.1016/j.bbrc.2021.10.054] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 10/19/2021] [Accepted: 10/21/2021] [Indexed: 02/09/2023]
Abstract
Itaconic acid is an unsaturated dicarbonic acid. It has a wide range of applications in the industrial production of resins and is also a mediator of immunometabolism in macrophages. Here, we show a previously unrecognized role of itaconic acid in triggering ferroptosis, a form of iron-dependent cell death driven by lipid peroxidation. We found that supraphysiological itaconic acid dose-dependently induces ferroptosis, rather than apoptosis, in human cancer cell lines. Mechanistically, we determined that itaconic acid activates NOCA4-mediated ferritinophagy, which leads to ferroptosis through ferritin degradation and subsequent iron overload and oxidative damage. In contrast, itaconic acid-induced expression and activation of NFE2L2 serves as a defense mechanism to limit ferroptosis by producing antioxidant genes. Consequently, impaired NCOA4 expression prevented, whereas a disrupted NFE2L2 pathway enhanced, sensitivity to itaconic acid-induced ferroptosis in vitro and in xenograft models. These findings establish a dynamic model of metabolite-induced ferroptotic cancer cell death, which may contribute to the development of new targeted therapies.
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Affiliation(s)
- Chunjing Qu
- Department of Oncology and Hematology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130031, China
| | - Enyong Dai
- Department of Oncology and Hematology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130031, China
| | - Tianru Lai
- Department of Oncology and Hematology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130031, China
| | - Guohua Cao
- Department of Oncology and Hematology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130031, China
| | - Jiao Liu
- The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, 510120, China
| | - Rui Kang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, 75390, USA
| | - Leng Han
- Department of Oncology and Hematology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130031, China.
| | - Daolin Tang
- Department of Surgery, UT Southwestern Medical Center, Dallas, TX, 75390, USA.
| | - Di Zhou
- Department of Oncology and Hematology, China-Japan Union Hospital of Jilin University, Changchun, Jilin, 130031, China.
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Functionalization of Silicone Surface with Drugs and Polymers for Regulation of Capsular Contracture. Polymers (Basel) 2021; 13:polym13162731. [PMID: 34451270 PMCID: PMC8400777 DOI: 10.3390/polym13162731] [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: 08/03/2021] [Revised: 08/12/2021] [Accepted: 08/12/2021] [Indexed: 11/21/2022] Open
Abstract
Breast reconstruction is achieved using silicone implants, which are currently associated with major complications. Several strategies have been considered to overcome the existing limitations as well as to improve their performance. Recently, surface modification has proved to be an effective clinical approach to prevent bacterial adhesion, reduce capsular thickness, prevent foreign body reactions, and reduce other implant-associated problems. This review article summarizes the ongoing strategies for the surface modification of silicone implants in breast reconstruction applications. The article mostly discusses two broad categories of surface modification: drug-mediated and polymer-based. Different kinds of drugs have been applied with silicone that are associated with breast reconstruction. Initially, this article discusses studies related to drugs immobilized on silicone implants, focusing on drug-loading methods and their effects on capsule contracture. Moreover, the pharmacological action of drugs on fibroblast cells is considered in this section. Next, the polymeric modification of the silicone surface is introduced, and we discuss its role in reducing capsule thickness at the cellular and biological levels. The polymeric modification techniques, their chemistry, and their physical properties are described in detail. Notably, polymer activities on macrophages and inflammation are also briefly discussed. Each of the reviewed articles is summarized, highlighting their discussion of capsular thickness, foreign body reactions, and bacterial attachment. The aim of this review is to provide the main points of some research articles regarding the surface modification of silicon, which can lead to a decrease in capsular thickness and provides better patient compliance.
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Xu Y, Li Z. Utilization of ethanol for itaconic acid biosynthesis by engineered Saccharomyces cerevisiae. FEMS Yeast Res 2021; 21:6329683. [PMID: 34320205 DOI: 10.1093/femsyr/foab043] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 07/27/2021] [Indexed: 11/14/2022] Open
Abstract
In Saccharomyces cerevisiae, ethanol can serve as both a carbon source and NADH donor for the production of acetyl-CoA derivatives. Here we investigated the metabolic regulation of ethanol utilization for itaconic acid production by S. cerevisiae. To understand the interconnection between the TCA cycle and the glyoxylate pathway, mitochondrial membrane transporter proteins SFC1, YHM2, CTP1, DIC1, and MPC1 were knocked out and results showed that SFC1 functions as an important entrance of the glyoxylate pathway into the TCA cycle, and YHM2 is helpful to IA production but not the primary pathway for citric acid supply. To decrease the accumulation of acetic acid, the major ADP/ATP carrier of the mitochondrial inner membrane, AAC2, was upregulated and determined to accelerate ethanol utilization and itaconic acid production. RNA sequencing results showed that AAC2 overexpression enhanced IA titer by upregulating the ethanol-acetyl-CoA pathway and NADH oxidase in the mitochondrial membrane. RNA-seq analysis also suggested that aconitase ACO1 may be a rate-limiting step of IA production. However, the expression of exogenous aconitase didn't increase IA production but enhanced the rate of ethanol utilization and decreased cell growth.
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Affiliation(s)
- Yaying Xu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China
| | - Zhimin Li
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.,Shanghai Collaborative Innovation Center for Biomanufacturing Technology, 130 Meilong Road, Shanghai 200237, China
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Liu C, Wang Y, Liu J, Chen A, Xu J, Zhang R, Wang F, Nie K, Deng L. One-Step Synthesis of 4-Octyl Itaconate through the Structure Control of Lipase. J Org Chem 2021; 86:7895-7903. [PMID: 34085515 DOI: 10.1021/acs.joc.0c02995] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
4-Octyl itaconate is a novel antiviral and immunoregulatory small molecule showing great potential in the treatment of various autoimmune diseases and viral infections. It is difficult to selectively esterify the C4 carboxyl group of itaconate acid via one-step direct esterification using chemical catalysts, while the two-step route with itaconic anhydride as an intermediate is environmentally unfriendly and costly. This research investigated the one-step and green synthesis of 4-octyl itaconate through the structure control of lipase, obtaining 4-octyl itaconate with over 98% yield and over 99% selectivity. Multiscale molecular dynamics simulations were applied to investigate the reaction mechanism. The cavity pocket of lipases resulted in a 4-octyl itaconate selectivity by affecting distribution of substrates toward the catalytic site. Toluene could enhance monoesterification in the C4 carboxyl group and contribute to a nearly 100% conversion from itaconate acid into 4-octyl itaconate by adjusting the catalytic microenvironment around the lipase, producing a shrinkage effect on the channel.
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Affiliation(s)
- Changsheng Liu
- Beijing Bioprocess Key Laboratory and State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology (BUCT), Beijing 100029, P. R. China
| | - Yilin Wang
- Beijing Bioprocess Key Laboratory and State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology (BUCT), Beijing 100029, P. R. China
| | - Jiahao Liu
- Beijing Bioprocess Key Laboratory and State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology (BUCT), Beijing 100029, P. R. China
| | - An'nan Chen
- Beijing Bioprocess Key Laboratory and State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology (BUCT), Beijing 100029, P. R. China
| | - Juntao Xu
- Beijing Bioprocess Key Laboratory and State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology (BUCT), Beijing 100029, P. R. China
| | - Renwei Zhang
- Beijing Bioprocess Key Laboratory and State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology (BUCT), Beijing 100029, P. R. China
| | - Fang Wang
- Beijing Bioprocess Key Laboratory and State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology (BUCT), Beijing 100029, P. R. China
| | - Kaili Nie
- Beijing Bioprocess Key Laboratory and State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology (BUCT), Beijing 100029, P. R. China
| | - Li Deng
- Beijing Bioprocess Key Laboratory and State Key Laboratory of Chemical Resource Engineering, College of Life Science and Technology, Beijing University of Chemical Technology (BUCT), Beijing 100029, P. R. China
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Duncan D, Lupien A, Behr MA, Auclair K. Effect of pH on the antimicrobial activity of the macrophage metabolite itaconate. MICROBIOLOGY-SGM 2021; 167. [PMID: 34020726 DOI: 10.1099/mic.0.001050] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The production of itaconate by macrophages was only discovered in 2011. An increasing number of studies have since revealed essential biological functions for this small molecule, ranging from antimicrobial to immunomodulator. The antibacterial role of itaconate has however been questioned because the estimated concentration of itaconate in macrophages (low-millimolar) is lower than the minimum inhibitory concentration (MIC) of itaconate reported for several bacterial strains (low-to-mid-millimolar). We note that some of these investigations have tended to ignore the high acidity of this small diacid (pKas 3.85 and 5.45), thereby potentially biassing activity measurements. We measured the MIC of itaconate in Escherichia coli (not known to metabolize itaconate) and in Salmonella enterica serovar Typhimurium (known to metabolize itaconate) at varying pH values to probe the effect that pH has on itaconate toxicity. Herein, we demonstrate that the antimicrobial effect of itaconate is dependent upon the pH of the media and that itaconate does have antimicrobial activity at biologically relevant pH and concentrations. Under nutrient-poor conditions, the antimicrobial activity of itaconate in both E. coli and S. Typhimurium increased approximately 200-fold when the pH was dropped by one unit, whereas itaconate was not found to be toxic under nutrient rich conditions. Our results also reveal that the activity of itaconate is synergistic with acidity, yet is not a function of increased permeability with protonation. Similar experiments performed with succinate (a pKa-matched diacid) yielded drastically different results, consistent with a target-based mechanism of action for itaconate. Overall, our work shows the importance of controlling the pH when performing experiments with itaconic acid.
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Affiliation(s)
- Dustin Duncan
- Department of Chemistry, McGill University, Montreal, Quebec, Canada
| | - Andréanne Lupien
- McGill International TB Centre, McGill University, Montreal, Quebec, Canada.,Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Marcel A Behr
- McGill International TB Centre, McGill University, Montreal, Quebec, Canada.,Department of Medicine, McGill University, Montreal, Quebec, Canada
| | - Karine Auclair
- Department of Chemistry, McGill University, Montreal, Quebec, Canada
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Virga F, Cappellesso F, Stijlemans B, Henze AT, Trotta R, Van Audenaerde J, Mirchandani AS, Sanchez-Garcia MA, Vandewalle J, Orso F, Riera-Domingo C, Griffa A, Ivan C, Smits E, Laoui D, Martelli F, Langouche L, Van den Berghe G, Feron O, Ghesquière B, Prenen H, Libert C, Walmsley SR, Corbet C, Van Ginderachter JA, Ivan M, Taverna D, Mazzone M. Macrophage miR-210 induction and metabolic reprogramming in response to pathogen interaction boost life-threatening inflammation. SCIENCE ADVANCES 2021; 7:7/19/eabf0466. [PMID: 33962944 DOI: 10.1126/sciadv.abf0466] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 03/18/2021] [Indexed: 06/12/2023]
Abstract
Unbalanced immune responses to pathogens can be life-threatening although the underlying regulatory mechanisms remain unknown. Here, we show a hypoxia-inducible factor 1α-dependent microRNA (miR)-210 up-regulation in monocytes and macrophages upon pathogen interaction. MiR-210 knockout in the hematopoietic lineage or in monocytes/macrophages mitigated the symptoms of endotoxemia, bacteremia, sepsis, and parasitosis, limiting the cytokine storm, organ damage/dysfunction, pathogen spreading, and lethality. Similarly, pharmacologic miR-210 inhibition improved the survival of septic mice. Mechanistically, miR-210 induction in activated macrophages supported a switch toward a proinflammatory state by lessening mitochondria respiration in favor of glycolysis, partly achieved by downmodulating the iron-sulfur cluster assembly enzyme ISCU. In humans, augmented miR-210 levels in circulating monocytes correlated with the incidence of sepsis, while serum levels of monocyte/macrophage-derived miR-210 were associated with sepsis mortality. Together, our data identify miR-210 as a fine-tuning regulator of macrophage metabolism and inflammatory responses, suggesting miR-210-based therapeutic and diagnostic strategies.
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Affiliation(s)
- Federico Virga
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, VIB, Leuven, Belgium
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, Department of Oncology, KU Leuven, Leuven, Belgium
- Molecular Biotechnology Center, University of Torino, Torino, Italy
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Federica Cappellesso
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, VIB, Leuven, Belgium
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Benoit Stijlemans
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
- Myeloid Cell Immunology Laboratory, VIB Center for Inflammation Research, Brussels, Belgium
| | - Anne-Theres Henze
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, VIB, Leuven, Belgium
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Rosa Trotta
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, VIB, Leuven, Belgium
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, Department of Oncology, KU Leuven, Leuven, Belgium
| | | | - Ananda S Mirchandani
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Manuel A Sanchez-Garcia
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | | | - Francesca Orso
- Molecular Biotechnology Center, University of Torino, Torino, Italy
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Carla Riera-Domingo
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, VIB, Leuven, Belgium
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Alberto Griffa
- Molecular Biotechnology Center, University of Torino, Torino, Italy
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Cristina Ivan
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
- Center for RNA Interference and Non-Coding RNA, The University of Texas MD Anderson Cancer Center, Houston, TX 77054, USA
| | - Evelien Smits
- CORE, University of Antwerp, Wilrijk, Antwerp, Belgium
| | - Damya Laoui
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
- Myeloid Cell Immunology Laboratory, VIB Center for Inflammation Research, Brussels, Belgium
| | - Fabio Martelli
- Laboratory of Molecular Cardiology, IRCCS Policlinico San Donato, San Donato Milanese, Milan, Italy
| | - Lies Langouche
- Clinical Division and Laboratory of Intensive Care Medicine, Department of Cellular and Molecular Medicine, KU Leuven, 3000 Leuven, Belgium
| | - Greet Van den Berghe
- Clinical Division and Laboratory of Intensive Care Medicine, Department of Cellular and Molecular Medicine, KU Leuven, 3000 Leuven, Belgium
| | - Olivier Feron
- FATH, IREC, Université Catholique de Louvain, Brussels, Belgium
| | - Bart Ghesquière
- Metabolomics Core Facility, Center for Cancer Biology, VIB, Leuven, Belgium
- Metabolomics Core Facility, Center for Cancer Biology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Hans Prenen
- CORE, University of Antwerp, Wilrijk, Antwerp, Belgium
- University Hospital Antwerp, Edegem, Belgium
| | | | - Sarah R Walmsley
- University of Edinburgh Centre for Inflammation Research, Queen's Medical Research Institute, University of Edinburgh, Edinburgh, UK
| | - Cyril Corbet
- FATH, IREC, Université Catholique de Louvain, Brussels, Belgium
| | - Jo A Van Ginderachter
- Laboratory of Cellular and Molecular Immunology, Vrije Universiteit Brussel, Brussels, Belgium
- Myeloid Cell Immunology Laboratory, VIB Center for Inflammation Research, Brussels, Belgium
| | - Mircea Ivan
- Department of Medicine, Indiana University, School of Medicine, Indianapolis, IN 46202, USA
| | - Daniela Taverna
- Molecular Biotechnology Center, University of Torino, Torino, Italy
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
| | - Massimiliano Mazzone
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, VIB, Leuven, Belgium.
- Laboratory of Tumor Inflammation and Angiogenesis, CCB, Department of Oncology, KU Leuven, Leuven, Belgium
- Molecular Biotechnology Center, University of Torino, Torino, Italy
- Department of Molecular Biotechnology and Health Sciences, University of Torino, Torino, Italy
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Chen FE, Mandel RM, Woods JJ, Lee JH, Kim J, Hsu JH, Fuentes-Rivera JJ, Wilson JJ, Milner PJ. Biocompatible metal-organic frameworks for the storage and therapeutic delivery of hydrogen sulfide. Chem Sci 2021; 12:7848-7857. [PMID: 34168838 PMCID: PMC8188460 DOI: 10.1039/d1sc00691f] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 04/24/2021] [Indexed: 01/02/2023] Open
Abstract
Hydrogen sulfide (H2S) is an endogenous gasotransmitter with potential therapeutic value for treating a range of disorders, such as ischemia-reperfusion injury resulting from a myocardial infarction or stroke. However, the medicinal delivery of H2S is hindered by its corrosive and toxic nature. In addition, small molecule H2S donors often generate other reactive and sulfur-containing species upon H2S release, leading to unwanted side effects. Here, we demonstrate that H2S release from biocompatible porous solids, namely metal-organic frameworks (MOFs), is a promising alternative strategy for H2S delivery under physiologically relevant conditions. In particular, through gas adsorption measurements and density functional theory calculations we establish that H2S binds strongly and reversibly within the tetrahedral pockets of the fumaric acid-derived framework MOF-801 and the mesaconic acid-derived framework Zr-mes, as well as the new itaconic acid-derived framework CORN-MOF-2. These features make all three frameworks among the best materials identified to date for the capture, storage, and delivery of H2S. In addition, these frameworks are non-toxic to HeLa cells and capable of releasing H2S under aqueous conditions, as confirmed by fluorescence assays. Last, a cellular ischemia-reperfusion injury model using H9c2 rat cardiomyoblast cells corroborates that H2S-loaded MOF-801 is capable of mitigating hypoxia-reoxygenation injury, likely due to the release of H2S. Overall, our findings suggest that H2S-loaded MOFs represent a new family of easily-handled solid sources of H2S that merit further investigation as therapeutic agents. In addition, our findings add Zr-mes and CORN-MOF-2 to the growing lexicon of biocompatible MOFs suitable for drug delivery.
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Affiliation(s)
- Faith E Chen
- Department of Chemistry and Chemical Biology, Cornell University Ithaca NY 14850 USA
| | - Ruth M Mandel
- Department of Chemistry and Chemical Biology, Cornell University Ithaca NY 14850 USA
| | - Joshua J Woods
- Department of Chemistry and Chemical Biology, Cornell University Ithaca NY 14850 USA
- Robert F. Smith School for Chemical and Biomolecular Engineering, Cornell University Ithaca NY 14850 USA
| | - Jung-Hoon Lee
- Computational Science Research Center, Korea Institute of Science and Technology (KIST) Seoul 02792 Republic of Korea
| | - Jaehwan Kim
- Department of Chemistry and Chemical Biology, Cornell University Ithaca NY 14850 USA
| | - Jesse H Hsu
- Department of Chemistry and Chemical Biology, Cornell University Ithaca NY 14850 USA
| | - José J Fuentes-Rivera
- Department of Chemistry and Chemical Biology, Cornell University Ithaca NY 14850 USA
| | - Justin J Wilson
- Department of Chemistry and Chemical Biology, Cornell University Ithaca NY 14850 USA
| | - Phillip J Milner
- Department of Chemistry and Chemical Biology, Cornell University Ithaca NY 14850 USA
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Zhang Y, Qin W, Liu D, Liu Y, Wang C. Chemoproteomic profiling of itaconations in Salmonella. Chem Sci 2021; 12:6059-6063. [PMID: 33996001 PMCID: PMC8098682 DOI: 10.1039/d1sc00660f] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 03/05/2021] [Indexed: 12/28/2022] Open
Abstract
Itaconate is an immunoregulatory and anti-bacterial metabolite, and plays important roles in host-pathogen interactions. Chemoproteomic strategies have been used to explore the anti-inflammatory effects of itaconate on activated macrophages and it has been found that many key proteins in immune pathways were modified; however, how itaconate modulates pathogens was not fully understood. Here, we have designed and synthesized a series of itaconate-based bioorthogonal probes, which enable quantitative and site-specific profiling of itaconated proteins and sites in Salmonella. Among many proteins related to energy metabolism, we identified a key enzyme involved in the glyoxylate cycle, isocitrate lyase (ICL), as the most prominent target. Covalent modification of the active-site cysteine in ICL by itaconate abolishes the enzyme activity and suppresses bacterial growth. Our chemoproteomic study has uncovered the wide array of itaconation targets in Salmonella and provided a comprehensive resource for understanding the anti-bacterial function of this intriguing metabolite.
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Affiliation(s)
- Yanling Zhang
- Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education China
- Peking-Tsinghua Center for Life Sciences, Peking University Beijing 100871 China
| | - Wei Qin
- Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education China
- Peking-Tsinghua Center for Life Sciences, Peking University Beijing 100871 China
| | - Dongyang Liu
- Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education China
- College of Chemistry and Molecular Engineering China
| | - Yuan Liu
- Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education China
- College of Chemistry and Molecular Engineering China
| | - Chu Wang
- Synthetic and Functional Biomolecules Center, Beijing National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education China
- College of Chemistry and Molecular Engineering China
- Peking-Tsinghua Center for Life Sciences, Peking University Beijing 100871 China
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45
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Huang X, Men P, Tang S, Lu X. Aspergillus terreus as an industrial filamentous fungus for pharmaceutical biotechnology. Curr Opin Biotechnol 2021; 69:273-280. [PMID: 33713917 DOI: 10.1016/j.copbio.2021.02.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 02/12/2021] [Accepted: 02/17/2021] [Indexed: 11/16/2022]
Abstract
Aspergillus terreus is an important Aspergillus species, which has been applied in the industrial production of the bio-based chemical itaconic acid and the lipid-lowering drug lovastatin. The excellent fermentation capability has been demonstrated in these industrial applications. The genomic information revealed that the outstanding capacity of natural product synthesis by A. terreus remains to be further explored. With advances of the genome mining strategy, the products of several cryptic biosynthetic gene clusters have been discovered recently. In addition, a series of metabolic engineering studies have been performed in the industrial strains of lovastatin and itaconic acid to further improve the production processes. This review presents the current progress and the future outlook in the field of A. terreus biotechnology.
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Affiliation(s)
- Xuenian Huang
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China; Shandong Energy Institute, No. 189 Songling Road, Qingdao 266101, China; Qingdao New Energy Shandong Laboratory, No. 189 Songling Road, Qingdao 266101, China
| | - Ping Men
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shen Tang
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China
| | - Xuefeng Lu
- Shandong Provincial Key Laboratory of Synthetic Biology, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China; Key Laboratory of Biofuels, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, No. 189 Songling Road, Qingdao 266101, China; Shandong Energy Institute, No. 189 Songling Road, Qingdao 266101, China; Qingdao New Energy Shandong Laboratory, No. 189 Songling Road, Qingdao 266101, China; University of Chinese Academy of Sciences, Beijing 100049, China; Marine Biology and Biotechnology Laboratory, Qingdao National Laboratory for Marine Science and Technology, Wenhai Rd 1, Aoshanwei, Qingdao, China.
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46
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Dambrova M, Zuurbier CJ, Borutaite V, Liepinsh E, Makrecka-Kuka M. Energy substrate metabolism and mitochondrial oxidative stress in cardiac ischemia/reperfusion injury. Free Radic Biol Med 2021; 165:24-37. [PMID: 33484825 DOI: 10.1016/j.freeradbiomed.2021.01.036] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/12/2022]
Abstract
The heart is the most metabolically flexible organ with respect to the use of substrates available in different states of energy metabolism. Cardiac mitochondria sense substrate availability and ensure the efficiency of oxidative phosphorylation and heart function. Mitochondria also play a critical role in cardiac ischemia/reperfusion injury, during which they are directly involved in ROS-producing pathophysiological mechanisms. This review explores the mechanisms of ROS production within the energy metabolism pathways and focuses on the impact of different substrates. We describe the main metabolites accumulating during ischemia in the glucose, fatty acid, and Krebs cycle pathways. Hyperglycemia, often present in the acute stress condition of ischemia/reperfusion, increases cytosolic ROS concentrations through the activation of NADPH oxidase 2 and increases mitochondrial ROS through the metabolic overloading and decreased binding of hexokinase II to mitochondria. Fatty acid-linked ROS production is related to the increased fatty acid flux and corresponding accumulation of long-chain acylcarnitines. Succinate that accumulates during anoxia/ischemia is suggested to be the main source of ROS, and the role of itaconate as an inhibitor of succinate dehydrogenase is emerging. We discuss the strategies to modulate and counteract the accumulation of substrates that yield ROS and the therapeutic implications of this concept.
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Affiliation(s)
- Maija Dambrova
- Latvian Institute of Organic Synthesis, Riga, Latvia; Riga Stradins University, Riga, Latvia.
| | - Coert J Zuurbier
- Amsterdam UMC, University of Amsterdam, Laboratory of Experimental Intensive Care and Anesthesiology, Department of Anesthesiology, Amsterdam Cardiovascular Sciences, Meibergdreef 9, AZ 1105, Amsterdam, the Netherlands
| | - Vilmante Borutaite
- Neuroscience Institute, Lithuanian University of Health Sciences, Kaunas, Lithuania
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47
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Owen AM, Fults JB, Patil NK, Hernandez A, Bohannon JK. TLR Agonists as Mediators of Trained Immunity: Mechanistic Insight and Immunotherapeutic Potential to Combat Infection. Front Immunol 2021; 11:622614. [PMID: 33679711 PMCID: PMC7930332 DOI: 10.3389/fimmu.2020.622614] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 12/24/2020] [Indexed: 12/18/2022] Open
Abstract
Despite advances in critical care medicine, infection remains a significant problem that continues to be complicated with the challenge of antibiotic resistance. Immunocompromised patients are highly susceptible to development of severe infection which often progresses to the life-threatening condition of sepsis. Thus, immunotherapies aimed at boosting host immune defenses are highly attractive strategies to ward off infection and protect patients. Recently there has been mounting evidence that activation of the innate immune system can confer long-term functional reprogramming whereby innate leukocytes mount more robust responses upon secondary exposure to a pathogen for more efficient clearance and host protection, termed trained immunity. Toll-like receptor (TLR) agonists are a class of agents which have been shown to trigger the phenomenon of trained immunity through metabolic reprogramming and epigenetic modifications which drive profound augmentation of antimicrobial functions. Immunomodulatory TLR agonists are also highly beneficial as vaccine adjuvants. This review provides an overview on TLR signaling and our current understanding of TLR agonists which show promise as immunotherapeutic agents for combating infection. A brief discussion on our current understanding of underlying mechanisms is also provided. Although an evolving field, TLR agonists hold strong therapeutic potential as immunomodulators and merit further investigation for clinical translation.
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Affiliation(s)
- Allison M Owen
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Jessica B Fults
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN, United States.,University of Texas Southwestern Medical School, Dallas, TX, United States
| | - Naeem K Patil
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Antonio Hernandez
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN, United States
| | - Julia K Bohannon
- Department of Anesthesiology, Vanderbilt University Medical Center, Nashville, TN, United States.,Department of Pathology, Microbiology and Immunology, Vanderbilt University Medical Center, Nashville, TN, United States
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48
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Itaconate Alters Succinate and Coenzyme A Metabolism via Inhibition of Mitochondrial Complex II and Methylmalonyl-CoA Mutase. Metabolites 2021; 11:metabo11020117. [PMID: 33670656 PMCID: PMC7922098 DOI: 10.3390/metabo11020117] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 02/13/2021] [Accepted: 02/14/2021] [Indexed: 12/29/2022] Open
Abstract
Itaconate is a small molecule metabolite that is endogenously produced by cis-aconitate decarboxylase-1 (ACOD1) in mammalian cells and influences numerous cellular processes. The metabolic consequences of itaconate in cells are diverse and contribute to its regulatory function. Here, we have applied isotope tracing and mass spectrometry approaches to explore how itaconate impacts various metabolic pathways in cultured cells. Itaconate is a competitive and reversible inhibitor of Complex II/succinate dehydrogenase (SDH) that alters tricarboxylic acid (TCA) cycle metabolism leading to succinate accumulation. Upon activation with coenzyme A (CoA), itaconyl-CoA inhibits adenosylcobalamin-mediated methylmalonyl-CoA (MUT) activity and, thus, indirectly impacts branched-chain amino acid (BCAA) metabolism and fatty acid diversity. Itaconate, therefore, alters the balance of CoA species in mitochondria through its impacts on TCA, amino acid, vitamin B12, and CoA metabolism. Our results highlight the diverse metabolic pathways regulated by itaconate and provide a roadmap to link these metabolites to potential downstream biological functions.
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Abstract
The study of metabolic changes associated with host-pathogen interactions have largely focused on the strategies that microbes use to subvert host metabolism to support their own proliferation. However, recent reports demonstrate that changes in host cell metabolism can also be detrimental to pathogens and restrict their growth. In this Review, I present a framework to consider how the host cell exploits the multifaceted roles of metabolites to defend against microbes. I also highlight how the rewiring of metabolic processes can strengthen cellular barriers to microbial invasion, regulate microbial virulence programs and factors, limit microbial access to nutrient sources and generate toxic environments for microbes. Collectively, the studies described here support a critical role for the rewiring of cellular metabolism in the defense against microbes. Further study of host-pathogen interactions from this framework has the potential to reveal novel aspects of host defense and metabolic control, and may inform how human metabolism impacts the progression of infectious disease.
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Affiliation(s)
- Lena Pernas
- Max Planck Institute for Biology of Ageing, 50931 Cologne, Germany .,Cologne Excellence Cluster on Cellular Stress Responses in Ageing-Associated Diseases (CECAD), University of Cologne, 50931 Cologne, Germany
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50
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Alfaro AC, Nguyen TV, Bayot B, Rodriguez Leon JA, Domínguez-Borbor C, Sonnenholzner S. Metabolic responses of whiteleg shrimp to white spot syndrome virus (WSSV). J Invertebr Pathol 2021; 180:107545. [PMID: 33571511 DOI: 10.1016/j.jip.2021.107545] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 01/29/2021] [Accepted: 02/02/2021] [Indexed: 01/12/2023]
Abstract
Outbreaks of white spot syndrome virus (WSSV) have caused serious damage to penaeid shrimp aquaculture worldwide. Despite great efforts to characterize the virus, the conditions that lead to infection and the infection mechanisms, there is still a lack of understanding regarding these complex virus-host interactions, which is needed to develop consistent and effective treatment methods for WSSV. In this study, we used a gas chromatography - mass spectrometry (GC-MS)-based metabolomics approach to compare the metabolite profiles of gills, haemolymph and hepatopancreas from whiteleg shrimp (Penaeus vannamei) exposed to WSSV and corresponding controls. The results revealed clear discriminations between metabolite profiles of WSSV-challenged shrimp and controlled shrimp in each tissue. The responses of shrimp gills to WSSV infection were characterized by increases of many fatty acids and amino acids in WSSV-challenged shrimp compared to the controls. Changes in haemolymph metabolite profiles include the increased levels of itaconic acid, energy-related metabolites, metabolites in glutathione cycle and decrease of amino acids. The WSSV challenge led to the decreases of several fatty acids and amino acids and increases of other amino acids, lactic acid and other organic compounds (levulinic acid, malonic acid and putrescine) in hepatopancreas. These alterations of shrimp metabolites suggest several immune responses of shrimp to WSSV in a tissue-specific manner, including upregulation of osmoregulation, antimicrobial activity, metabolic rate, gluconeogenesis, glutathione pathway in control of oxidative stress and shift from aerobic to anaerobic metabolism in shrimp which indicates the Warburg effect. The findings from this study provide a better understanding of molecular process of shrimp response against WSSV invasion which may be useful for development of disease management strategies.
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Affiliation(s)
- Andrea C Alfaro
- Aquaculture Biotechnology Research Group, School of Science, Auckland University of Technology, Auckland, New Zealand.
| | - Thao V Nguyen
- Aquaculture Biotechnology Research Group, School of Science, Auckland University of Technology, Auckland, New Zealand; NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ho Chi Minh City, Viet Nam
| | - Bonny Bayot
- Escuela Superior Politécnica del Litoral, ESPOL, Centro Nacional de Acuicultura e Investigaciones Marinas, CENAIM, Campus Gustavo Galindo Km. 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil, Ecuador
| | - Jenny A Rodriguez Leon
- Escuela Superior Politécnica del Litoral, ESPOL, Centro Nacional de Acuicultura e Investigaciones Marinas, CENAIM, Campus Gustavo Galindo Km. 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil, Ecuador
| | - Cristóbal Domínguez-Borbor
- Escuela Superior Politécnica del Litoral, ESPOL, Centro Nacional de Acuicultura e Investigaciones Marinas, CENAIM, Campus Gustavo Galindo Km. 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil, Ecuador
| | - Stanislaus Sonnenholzner
- Escuela Superior Politécnica del Litoral, ESPOL, Centro Nacional de Acuicultura e Investigaciones Marinas, CENAIM, Campus Gustavo Galindo Km. 30.5 Vía Perimetral, P.O. Box 09-01-5863, Guayaquil, Ecuador
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