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Mantione ME, Meloni M, Sana I, Bordini J, Del Nero M, Riba M, Ranghetti P, Perotta E, Ghia P, Scarfò L, Muzio M. Disrupting pro-survival and inflammatory pathways with dimethyl fumarate sensitizes chronic lymphocytic leukemia to cell death. Cell Death Dis 2024; 15:224. [PMID: 38494482 PMCID: PMC10944843 DOI: 10.1038/s41419-024-06602-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 03/06/2024] [Accepted: 03/07/2024] [Indexed: 03/19/2024]
Abstract
Microenvironmental signals strongly influence chronic lymphocytic leukemia (CLL) cells through the activation of distinct membrane receptors, such as B-cell receptors, and inflammatory receptors, such as Toll-like receptors (TLRs). Inflammatory pathways downstream of these receptors lead to NF-κB activation, thus protecting leukemic cells from apoptosis. Dimethyl fumarate (DMF) is an anti-inflammatory and immunoregulatory drug used to treat patients with multiple sclerosis and psoriasis in which it blocks aberrant NF-κB pathways and impacts the NRF2 antioxidant circuit. Our in vitro analysis demonstrated that increasing concentrations of DMF reduce ATP levels and lead to the apoptosis of CLL cells, including cell lines, splenocytes from Eµ-TCL1-transgenic mice, and primary leukemic cells isolated from the peripheral blood of patients. DMF showed a synergistic effect in association with BTK inhibitors in CLL cells. DMF reduced glutathione levels and activated the NRF2 pathway; gene expression analysis suggested that DMF downregulated pathways related to NFKB and inflammation. In primary leukemic cells, DMF disrupted the TLR signaling pathways induced by CpG by reducing the mRNA expression of NFKBIZ, IL6, IL10 and TNFα. Our data suggest that DMF targets a vulnerability of CLL cells linked to their inflammatory pathways, without impacting healthy donor peripheral blood mononuclear cells.
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Affiliation(s)
- Maria Elena Mantione
- Cell Signaling Unit, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Miriam Meloni
- Cell Signaling Unit, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Ilenia Sana
- Cell Signaling Unit, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Jessica Bordini
- B-cell Neoplasia Unit, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Martina Del Nero
- Cell Signaling Unit, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Michela Riba
- Center for Omics Sciences, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Pamela Ranghetti
- B-cell Neoplasia Unit, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Eleonora Perotta
- B-cell Neoplasia Unit, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Paolo Ghia
- B-cell Neoplasia Unit, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy
- Università Vita-Salute San Raffaele, Milano, Italy
| | - Lydia Scarfò
- B-cell Neoplasia Unit, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy
- Università Vita-Salute San Raffaele, Milano, Italy
| | - Marta Muzio
- Cell Signaling Unit, Division of Experimental Oncology, IRCCS Ospedale San Raffaele, Milano, Italy.
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Dai W, Li B, Xiong Y, Dai L, Tian Y, Zhang L, Wang Q, Qian G. Non-Volatile Component and Antioxidant Activity: A Comparative Analysis between Litsea cubeba Branches and Leaves. Molecules 2024; 29:788. [PMID: 38398540 PMCID: PMC10892920 DOI: 10.3390/molecules29040788] [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: 12/04/2023] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 02/25/2024] Open
Abstract
Litsea cubeba, which is found widely distributed across the Asian region, functions as both an economic tree and a medicinal plant with a rich historical background. Previous investigations into its chemical composition and biological activity have predominantly centered on volatile components, leaving the study of non-volatile components relatively unexplored. In this study, we employed UPLC-HRMS technology to analyze the non-volatile components of L. cubeba branches and leaves, which successfully resulted in identifying 72 constituents. Comparative analysis between branches and leaves unveiled alkaloids, organic acids, and flavonoids as the major components. However, noteworthy differences in the distribution of these components between branches and leaves were observed, with only eight shared constituents, indicating substantial chemical variations in different parts of L. cubeba. Particularly, 24 compounds were identified for the first time from this plant. The assessment of antioxidant activity using four methods (ABTS, DPPH, FRAP, and CUPRAC) demonstrated remarkable antioxidant capabilities in both branches and leaves, with slightly higher efficacy observed in branches. This suggests that L. cubeba may act as a potential natural antioxidant with applications in health and therapeutic interventions. In conclusion, the chemical composition and antioxidant activity of L. cubeba provides a scientific foundation for its development and utilization in medicine and health products, offering promising avenues for the rational exploitation of L. cubeba resources in the future.
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Affiliation(s)
- Wei Dai
- Teaching and Experimental Center, Guangdong Pharmaceutical University, Guangzhou 510006, China; (W.D.)
| | - Boyi Li
- School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China (Y.X.)
| | - Yanli Xiong
- School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China (Y.X.)
| | - Liping Dai
- Teaching and Experimental Center, Guangdong Pharmaceutical University, Guangzhou 510006, China; (W.D.)
| | - Yuan Tian
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Pharmacy, Shihezi University, Shihezi 832003, China
| | - Liangqian Zhang
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Pharmacy, Shihezi University, Shihezi 832003, China
| | - Qi Wang
- Key Laboratory of Xinjiang Phytomedicine Resource and Utilization, Ministry of Education, School of Pharmacy, Shihezi University, Shihezi 832003, China
| | - Guoqiang Qian
- School of Chinese Medicine, Guangdong Pharmaceutical University, Guangzhou 510006, China (Y.X.)
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3
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Manai F, Zanoletti L, Arfini D, Micco SGD, Gjyzeli A, Comincini S, Amadio M. Dimethyl Fumarate and Intestine: From Main Suspect to Potential Ally against Gut Disorders. Int J Mol Sci 2023; 24:9912. [PMID: 37373057 DOI: 10.3390/ijms24129912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 06/04/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
Dimethyl fumarate (DMF) is a well-characterized molecule that exhibits immuno-modulatory, anti-inflammatory, and antioxidant properties and that is currently approved for the treatment of psoriasis and multiple sclerosis. Due to its Nrf2-dependent and independent mechanisms of action, DMF has a therapeutic potential much broader than expected. In this comprehensive review, we discuss the state-of-the-art and future perspectives regarding the potential repurposing of DMF in the context of chronic inflammatory diseases of the intestine, such as inflammatory bowel disorders (i.e., Crohn's disease and ulcerative colitis) and celiac disease. DMF's mechanisms of action, as well as an exhaustive analysis of the in vitro/in vivo evidence of its beneficial effects on the intestine and the gut microbiota, together with observational studies on multiple sclerosis patients, are here reported. Based on the collected evidence, we highlight the new potential applications of this molecule in the context of inflammatory and immune-mediated intestinal diseases.
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Affiliation(s)
- Federico Manai
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Lisa Zanoletti
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy
- Department of Chronic Diseases and Metabolism (CHROMETA), Katholieke Universiteit Leuven, 3000 Leuven, Belgium
| | - Davide Arfini
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Simone Giorgio De Micco
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Arolda Gjyzeli
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Sergio Comincini
- Department of Biology and Biotechnology "L. Spallanzani", University of Pavia, 27100 Pavia, Italy
| | - Marialaura Amadio
- Department of Drug Sciences, University of Pavia, 27100 Pavia, Italy
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4
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Zhang Y, Tang J, Zhou Y, Xiao Q, Chen Q, Wang H, Lan J, Wu L, Peng Y. Short-term exposure to dimethyl fumarate (DMF) inhibits LPS-induced IκBζ expression in macrophages. Front Pharmacol 2023; 14:1114897. [PMID: 36817140 PMCID: PMC9929133 DOI: 10.3389/fphar.2023.1114897] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 01/20/2023] [Indexed: 02/04/2023] Open
Abstract
Background: The pharmacological activity of dimethyl fumarate (DMF) in treating psoriasis and multiple sclerosis (MS) is not fully understood. DMF is hydrolysed to monomethyl fumarate (MMF) in vivo, which is believed to account for the therapeutic effects of DMF. However, previous studies have provided evidence that DMF also enters the circulation. Given that DMF is short-lived in the blood, whether DMF has a therapeutic impact is still unclear. Methods: Lipopolysaccharide (LPS)-mediated RAW264.7 cell activation was used as a model of inflammation to explore the anti-inflammatory effects of short-term DMF exposure in vitro. Whole blood LPS stimulation assay was applied to compare the anti-inflammatory effects of DMF and MMF in vivo. Griess assay was performed to examined nitrite release. The expression of pro-inflammatory cytokines and transcription factors were measured by quantitative PCR (qPCR), ELISA and Western blot. Depletion of intracellular glutathione (GSH) was evaluated by Ellman's assay. Luciferase reporter assays were performed to evaluate DMF effects on Nrf2-ARE pathway activation, promoter activity of Nfkbiz and mRNA stability of Nfkbiz. Binding of STAT3 to the IκBζ promoter were examined using Chromatin immunoprecipitation (ChIP) assay. Results: Short-term exposure to DMF significantly inhibited the inflammatory response of RAW264.7 cells and suppressed LPS-induced IκBζ expression. Importantly, oral DMF but not oral MMF administration significantly inhibited IκBζ transcription in murine peripheral blood cells. We demonstrated that the expression of IκBζ is affected by the availability of intracellular GSH and regulated by the transcription factor Nrf2 and STAT3. DMF with strong electrophilicity can rapidly deplete intracellular GSH, activate the Nrf2-ARE pathway, and inhibit the binding of STAT3 to the IκBζ promoter, thereby suppressing IκBζ expression in macrophages. Conclusion: These results demonstrate the rapid anti-inflammatory effects of DMF in macrophages, providing evidence to support the direct anti-inflammatory activity of DMF.
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Thomas SD, Jha NK, Sadek B, Ojha S. Repurposing Dimethyl Fumarate for Cardiovascular Diseases: Pharmacological Effects, Molecular Mechanisms, and Therapeutic Promise. Pharmaceuticals (Basel) 2022; 15:ph15050497. [PMID: 35631325 PMCID: PMC9143321 DOI: 10.3390/ph15050497] [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: 02/18/2022] [Revised: 04/06/2022] [Accepted: 04/11/2022] [Indexed: 11/16/2022] Open
Abstract
Dimethyl fumarate (DMF) is a small molecule that has been shown to assert potent in vivo immunoregulatory and anti-inflammatory therapeutic actions. The drug has been approved and is currently in use for treating multiple sclerosis and psoriasis in the USA and Europe. Since inflammatory reactions have been significantly implicated in the etiology and progression of diverse disease states, the pharmacological actions of DMF are presently being explored and generalized to other diseases where inflammation needs to be suppressed and immunoregulation is desirable, either as a monotherapeutic agent or as an adjuvant. In this review, we focus on DMF, and present an overview of its mechanism of action while briefly discussing its pharmacokinetic profile. We further discuss in detail its pharmacological uses and highlight its potential applications in the treatment of cardiovascular diseases. DMF, with its unique combination of anti-inflammatory and vasculoprotective effects, has the potential to be repurposed as a therapeutic agent in patients with atherosclerotic cardiovascular disease. The clinical studies mentioned in this review with respect to the beneficial effects of DMF in atherosclerosis involve observations in patients with multiple sclerosis and psoriasis in small cohorts and for short durations. The findings of these studies need to be assessed in larger prospective clinical trials, ideally with a double-blind randomized study design, investigating the effects on cardiovascular endpoints as well as morbidity and mortality. The long-term impact of DMF therapy on cardiovascular diseases also needs to be confirmed.
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Affiliation(s)
- Shilu Deepa Thomas
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates;
- Zayed Bin Sultan Center for Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering and Technology (SET), Sharda University, Greater Noida 201310, India;
| | - Bassem Sadek
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates;
- Zayed Bin Sultan Center for Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
- Correspondence: (B.S.); (S.O.)
| | - Shreesh Ojha
- Department of Pharmacology and Therapeutics, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates;
- Zayed Bin Sultan Center for Health Sciences, United Arab Emirates University, Al Ain P.O. Box 15551, United Arab Emirates
- Correspondence: (B.S.); (S.O.)
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Campione E, Mazzilli S, Di Prete M, Dattola A, Cosio T, Lettieri Barbato D, Costanza G, Lanna C, Manfreda V, Gaeta Schumak R, Prignano F, Coniglione F, Ciprani F, Aquilano K, Bianchi L. The Role of Glutathione-S Transferase in Psoriasis and Associated Comorbidities and the Effect of Dimethyl Fumarate in This Pathway. Front Med (Lausanne) 2022; 9:760852. [PMID: 35211489 PMCID: PMC8863102 DOI: 10.3389/fmed.2022.760852] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 01/05/2022] [Indexed: 12/12/2022] Open
Abstract
Psoriasis vulgaris is a chronic inflammatory skin disease characterized by well-demarcated scaly plaques. Oxidative stress plays a crucial role in the psoriasis pathogenesis and is associated with the disease severity. Dimethyl fumarate modulates the activity of the pro-inflammatory transcription factors. This is responsible for the downregulation of inflammatory cytokines and an overall shift from a pro-inflammatory to an anti-inflammatory/regulatory response. Both steps are necessary for the amelioration of psoriatic inflammation, although additional mechanisms have been proposed. Several studies reported a long-term effectiveness and safety of dimethyl fumarate monotherapy in patients with moderate-to-severe psoriasis. Furthermore, psoriasis is a chronic disease often associated to metabolic comorbidities, as obesity, diabetes, and cardiovascular diseases, in which glutathione-S transferase deregulation is present. Glutathione-S transferase is involved in the antioxidant system. An increase of its activity in psoriatic epidermis in comparison with the uninvolved and normal epidermal biopsies has been reported. Dimethyl fumarate depletes glutathione-S transferase by formation of covalently linked conjugates. This review investigates the anti-inflammatory role of dimethyl fumarate in oxidative stress and its effect by reducing oxidative stress. The glutathione-S transferase regulation is helpful in treating psoriasis, with an anti-inflammatory effect on the keratinocytes hyperproliferation, and in modulation of metabolic comorbidities.
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Affiliation(s)
- Elena Campione
- Dermatology Unit, University of Rome Tor Vergata, Rome, Italy
| | - Sara Mazzilli
- Italy State Police Health Service Department, Ministry of Interior, Rome, Italy
| | - Monia Di Prete
- Anatomic Pathology Unit, University of Rome Tor Vergata, Rome, Italy.,Anatomic Pathology, Santa Maria di Ca' Foncello Hospital, Treviso, Italy
| | | | - Terenzio Cosio
- Dermatology Unit, University of Rome Tor Vergata, Rome, Italy
| | - Daniele Lettieri Barbato
- Department of Biology, University of Rome Tor Vergata, Rome, Italy.,Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Fondazione Santa Lucia, Rome, Italy
| | | | - Caterina Lanna
- Dermatology Unit, University of Rome Tor Vergata, Rome, Italy
| | | | | | - Francesca Prignano
- Unit of Dermatology, Department of Surgery and Translational Medicine, University of Florence, Florence, Italy
| | - Filadelfo Coniglione
- Department of Surgical Sciences, University Nostra Signora del Buon Consiglio, Tirana, Albania
| | - Fabrizio Ciprani
- Italy State Police Health Service Department, Ministry of Interior, Rome, Italy
| | - Katia Aquilano
- Department of Biology, University of Rome Tor Vergata, Rome, Italy
| | - Luca Bianchi
- Dermatology Unit, University of Rome Tor Vergata, Rome, Italy
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Nast A, Altenburg A, Augustin M, Boehncke WH, Härle P, Klaus J, Koza J, Mrowietz U, Ockenfels HM, Philipp S, Reich K, Rosenbach T, Schlaeger M, Schmid-Ott G, Sebastian M, von Kiedrowski R, Weberschock T, Dressler C. German S3-Guideline on the treatment of Psoriasis vulgaris, adapted from EuroGuiDerm - Part 2: Treatment monitoring and specific clinical or comorbid situations. J Dtsch Dermatol Ges 2021; 19:1092-1115. [PMID: 34288477 DOI: 10.1111/ddg.14507] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 03/06/2021] [Indexed: 12/20/2022]
Affiliation(s)
- Alexander Nast
- Department of Dermatology, Venereology and Allergology, Division of Evidence-Based Medicine (dEBM), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Andreas Altenburg
- Dermatology, Venereology and Allergology, Immunology Center, Dessau Municipal Hospital, Dessau, Germany
| | - Matthias Augustin
- German Center for Health Services Research in Dermatology (CVderm), Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - Wolf-Henning Boehncke
- Department of Dermatology and Venereology, University Hospital of Geneva, Geneva, Switzerland
| | | | | | | | - Ulrich Mrowietz
- Psoriasis Center, Department of Dermatology, Venereology, Allergology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany
| | | | | | - Kristian Reich
- Center for Translational Research in Inflammatory Skin Diseases, Institute for Health Services Research in Dermatology and Nursing, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | | | | | | | | | | | - Tobias Weberschock
- Department of Dermatology, Venereology and Allergology, University Hospital Frankfurt, Frankfurt/Main, Germany and Working group Evidence-based Medicine Frankfurt, Institute for General Practice, Goethe University Frankfurt, Frankfurt/Main, Germany
| | - Corinna Dressler
- Department of Dermatology, Venereology and Allergology, Division of Evidence-Based Medicine (dEBM), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
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8
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Abstract
Costunolide, a natural sesquiterpene lactone, has multiple pharmacological activities such as neuroprotection or induction of apoptosis and eryptosis. However, the effects of costunolide on pro-survival factors and enzymes in human erythrocytes, e.g. glutathione and glucose-6-phosphate dehydrogenase (G6PDH) respectively, have not been studied yet. Our aim was to determine the mechanisms underlying costunolide-induced eryptosis and to reverse this process. Phosphatidylserine exposure was estimated from annexin-V-binding, cell volume from forward scatter in flow cytometry, and intracellular glutathione [GSH]i from high performance liquid chromatography. The oxidized status of intracellular glutathione and enzyme activities were measured by spectrophotometry. Treatment of erythrocytes with costunolide dose-dependently enhanced the percentage of annexin-V-binding cells, decreased the cell volume, depleted [GSH]i and completely inhibited G6PDH activity. The effects of costunolide on annexin-V-binding and cell volume were significantly reversed by pre-treatment of erythrocytes with the specific PKC-α inhibitor chelerythrine. The latter, however, had no effect on costunolide-induced GSH depletion. Costunolide induces eryptosis, depletes [GSH]i and inactivates G6PDH activity. Furthermore, our study reveals an inhibitory effect of chelerythrine on costunolide-induced eryptosis, indicating a relationship between costunolide and PKC-α. In addition, chelerythrine acts independently of the GSH depletion. Understanding the mechanisms of G6PDH inhibition accompanied by GSH depletion should be useful for development of anti-malarial therapeutic strategies or for synthetic lethality-based approaches to escalate oxidative stress in cancer cells for their sensitization to chemotherapy and radiotherapy.
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9
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Nast A, Altenburg A, Augustin M, Boehncke WH, Härle P, Klaus J, Koza J, Mrowietz U, Ockenfels HM, Philipp S, Reich K, Rosenbach T, Schlaeger M, Schmid-Ott G, Sebastian M, von Kiedrowski R, Weberschock T, Dressler C. Deutsche S3-Leitlinie zur Therapie der Psoriasis vulgaris, adaptiert von EuroGuiDerm - Teil 2: Therapiemonitoring, besondere klinische Situationen und Komorbidität. J Dtsch Dermatol Ges 2021; 19:1092-1117. [PMID: 34288473 DOI: 10.1111/ddg.14507_g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Accepted: 03/06/2021] [Indexed: 12/12/2022]
Affiliation(s)
- Alexander Nast
- Klinik für Dermatologie, Venerologie und Allergologie, Division of Evidence-Based Medicine (dEBM), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin
| | - Andreas Altenburg
- Dermatologie, Venerologie und Allergologie, Immunologisches Zentrum, Städtisches Klinikum Dessau
| | - Matthias Augustin
- Kompetenzzentrum Versorgungsforschung in der Dermatologie (CVderm), Institut für Versorgungsforschung in der Dermatologie und bei Pflegeberufen (IVDP), Universitätsklinikum Eppendorf, Hamburg
| | | | | | | | | | - Ulrich Mrowietz
- Psoriasis-Zentrum, Klinik für Dermatologie, Venerologie, Allergologie, Universitätsklinikum Schleswig-Holstein, Campus Kiel
| | | | | | - Kristian Reich
- Zentrum für Translationale Forschung bei entzündlichen Hauterkrankungen, Institut für Versorgungsforschung in der Dermatologie und bei Pflegeberufen, Universitätsmedizin Hamburg-Eppendorf
| | | | | | | | | | | | - Tobias Weberschock
- Klinik für Dermatologie, Venerologie und Allergologie, Universitätsklinikum Frankfurt, Frankfurt/Main und Arbeitsgruppe EbM Frankfurt, Institut für Allgemeinmedizin, Goethe-Universität Frankfurt, Frankfurt
| | - Corinna Dressler
- Klinik für Dermatologie, Venerologie und Allergologie, Division of Evidence-Based Medicine (dEBM), Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin
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10
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Hoogendoorn A, Avery TD, Li J, Bursill C, Abell A, Grace PM. Emerging Therapeutic Applications for Fumarates. Trends Pharmacol Sci 2021; 42:239-254. [PMID: 33618840 PMCID: PMC7954891 DOI: 10.1016/j.tips.2021.01.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 01/14/2021] [Accepted: 01/20/2021] [Indexed: 02/08/2023]
Abstract
Fumarates are successfully used for the treatment of psoriasis and multiple sclerosis. Their antioxidative, immunomodulatory, and neuroprotective properties make fumarates attractive therapeutic candidates for other pathologies. The exact working mechanisms of fumarates are, however, not fully understood. Further elucidation of the mechanisms is required if these drugs are to be successfully repurposed for other diseases. Towards this, administration route, dosage, and treatment timing, frequency, and duration are important parameters to consider and optimize with clinical paradigms in mind. Here, we summarize the rapidly expanding literature on the pharmacokinetics and pharmacodynamics of fumarates, including a discussion on two recently FDA-approved fumarates VumerityTM and BafiertamTM. We review emerging applications of fumarates, focusing on neurological and cardiovascular diseases.
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Affiliation(s)
- Ayla Hoogendoorn
- Vascular and Heart Health, Life Long Health Theme, South Australian Health and Medical Research Institute, Adelaide, Australia; ARC Centre of Excellence for Nanoscale BioPhotonics, The University of Adelaide, Australia.
| | - Thomas D Avery
- ARC Centre of Excellence for Nanoscale BioPhotonics, The University of Adelaide, Australia; Institute for Photonics and Advanced Sensing & Department of Chemistry, The University of Adelaide, Australia
| | - Jiahe Li
- Laboratories of Neuroimmunology, Department of Symptom Research, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Christina Bursill
- Vascular and Heart Health, Life Long Health Theme, South Australian Health and Medical Research Institute, Adelaide, Australia; ARC Centre of Excellence for Nanoscale BioPhotonics, The University of Adelaide, Australia; Faculty of Health and Medical Science, University of Adelaide, Adelaide, Australia
| | - Andrew Abell
- ARC Centre of Excellence for Nanoscale BioPhotonics, The University of Adelaide, Australia; Institute for Photonics and Advanced Sensing & Department of Chemistry, The University of Adelaide, Australia
| | - Peter M Grace
- Laboratories of Neuroimmunology, Department of Symptom Research, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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11
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Morrison PJ, Suhrkamp I, Gerdes S, Mrowietz U. Oral dimethyl fumarate induces changes within the peripheral neutrophil compartment of patients with psoriasis that are linked with skin improvement. Br J Dermatol 2021; 185:605-615. [PMID: 33657656 DOI: 10.1111/bjd.19899] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/27/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Dimethyl fumarate (DMF) is a treatment for moderate-to-severe psoriasis and multiple sclerosis. DMF therapy typically improves skin inflammation within the first 3 months of treatment. DMF is a prodrug that generates the hydroxycarboxylic acid receptor 2 (HCA2) agonist, monomethyl fumarate (MMF). Despite widespread clinical use, DMF's mechanism of action is not fully understood. OBJECTIVES We wished to characterize the changes induced by DMF in peripheral neutrophils within the first 3 months of treatment to better understand its early antipsoriatic effects. METHODS Flow cytometry was used to assess T-cell and neutrophil frequencies, apoptosis and activation phenotype. In vitro culture of neutrophils with DMF and MMF was used to evaluate apoptosis and HCA2 internalization. Serum levels of neutrophil degranulation products were measured by enzyme-linked immunosorbent assay. RESULTS Patients with psoriasis had significantly higher leucocyte counts at baseline compared with controls, with a large population of pro-inflammatory CD62Llo CD11bbright neutrophils. Analysis revealed that DMF treatment reduced the frequency of CD62Llo CD11bbright neutrophils and serum levels of neutrophil activation markers. This reduction was not linked to increased apoptosis. CONCLUSIONS Our results reveal a novel in vivo effect of DMF therapy on pro-inflammatory neutrophils that likely contributes to this treatment's antipsoriatic efficacy.
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Affiliation(s)
- P J Morrison
- Psoriasis Center, Department of Dermatology, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, 24105, Germany
| | - I Suhrkamp
- Psoriasis Center, Department of Dermatology, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, 24105, Germany
| | - S Gerdes
- Psoriasis Center, Department of Dermatology, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, 24105, Germany
| | - U Mrowietz
- Psoriasis Center, Department of Dermatology, University Medical Center Schleswig-Holstein, Campus Kiel, Kiel, 24105, Germany
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Nast A, Smith C, Spuls P, Avila Valle G, Bata‐Csörgö Z, Boonen H, De Jong E, Garcia‐Doval I, Gisondi P, Kaur‐Knudsen D, Mahil S, Mälkönen T, Maul J, Mburu S, Mrowietz U, Reich K, Remenyik E, Rønholt K, Sator P, Schmitt‐Egenolf M, Sikora M, Strömer K, Sundnes O, Trigos D, Van Der Kraaij G, Yawalkar N, Dressler C. EuroGuiDerm Guideline on the systemic treatment of Psoriasis vulgaris – Part 2: specific clinical and comorbid situations. J Eur Acad Dermatol Venereol 2021; 35:281-317. [DOI: 10.1111/jdv.16926] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 08/13/2020] [Indexed: 12/15/2022]
Affiliation(s)
- A. Nast
- Charité – Universitätsmedizin Berlin Corporate Member of Freie Universität Berlin Department of Dermatology, Venereology and Allergology Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
| | - C. Smith
- St John’s Institute of Dermatology London UK
| | - P.I. Spuls
- Academic Medical Centre Amsterdam Amsterdam Netherlands
| | - G. Avila Valle
- Charité – Universitätsmedizin Berlin Corporate Member of Freie Universität Berlin Department of Dermatology, Venereology and Allergology Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
| | | | - H. Boonen
- Office‐Based Dermatology Practice Geel Belgium
| | - E. De Jong
- Radboud University Medical Centre Nijmegen Nijmegen Netherlands
| | - I. Garcia‐Doval
- Unidad de Investigación. Fundación Piel Sana AEDV Madrid Spain
| | | | | | - S. Mahil
- Guy's and St Thomas' NHS Foundation Trust London UK
| | - T. Mälkönen
- Helsinki University Central Hospital Helsinki Finland
| | - J.T. Maul
- Department of Dermatology University Hospital of Zürich Zürich Switzerland
| | - S. Mburu
- International Federation of Psoriasis Associations (IFPA)
| | - U. Mrowietz
- Universitätsklinikum Schleswig‐Holstein Kiel Germany
| | - K. Reich
- Translational Research in Inflammatory Skin Diseases Institute for Health Services Research in Dermatology and Nursing University Medical Center Hamburg‐Eppendorf Hamburg Germany
| | | | | | - P.G. Sator
- Municipal Hospital Hietzing Vienna Austria
| | - M. Schmitt‐Egenolf
- Dermatology Department of Public Health & Clinical Medicine Umeå University Umeå Sweden
| | - M. Sikora
- Department of Dermatology Medical University of Warsaw Warsaw Poland
| | - K. Strömer
- Office‐Based Dermatology Practice Mönchengladbach Germany
| | | | - D. Trigos
- International Federation of Psoriasis Associations (IFPA)
| | | | - N. Yawalkar
- Department of Dermatology, Inselspital Bern University HospitalUniversity of Bern Bern Switzerland
| | - C. Dressler
- Charité – Universitätsmedizin Berlin Corporate Member of Freie Universität Berlin Department of Dermatology, Venereology and Allergology Humboldt‐Universität zu Berlin, and Berlin Institute of Health Berlin Germany
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Dello Russo C, Scott KA, Pirmohamed M. Dimethyl fumarate induced lymphopenia in multiple sclerosis: A review of the literature. Pharmacol Ther 2020; 219:107710. [PMID: 33091427 DOI: 10.1016/j.pharmthera.2020.107710] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/15/2020] [Indexed: 12/13/2022]
Abstract
Dimethyl fumarate (DMF) is a first line medication for multiple sclerosis. It has a favourable safety profile, however, there is concern regarding the occurrence of moderate-severe and sustained lymphopenia and the associated risk of progressive multifocal leukoencephalopathy. We carried out an extensive literature review to understand the molecular mechanisms underlying this adverse reaction. Dynamic changes in certain components of the immune system are likely to be important for the therapeutic effects of DMF, including depletion of memory T cells and decrease in activated T cells together with expansion of naïve T cells. Similar modifications were reported for the B cell components. CD8+ T cells are particularly susceptible to DMF-induced cell death, with marked reductions observed in lymphopenic subjects. The reasons underlying such increased sensitivity are not known, nor it is known how expansion of other lymphocyte subsets occurs. Understanding the molecular mechanisms underlying DMF action is challenging: in vivo DMF is rapidly metabolized to monomethyl fumarate (MMF), a less potent immunomodulator in vitro. Pharmacokinetics indicate that MMF is the main active species in vivo. However, the relative importance of DMF and MMF in toxicity remains unclear, with evidence presented in favour of either of the compounds as toxic species. Pharmacogenetic studies to identify genetic predictors of DMF-induced lymphopenia are limited, with inconclusive results. A role of the gut microbiome in the pharmacological effects of DMF is emerging. It is clear that further investigations are necessary to understand the mechanisms of DMF-induced lymphopenia and devise preventive strategies. Periodic monitoring of absolute lymphocyte counts, currently performed in clinical practise, allows for the early detection of lymphopenia as a risk-minimization strategy.
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Affiliation(s)
- Cinzia Dello Russo
- MRC Centre for Drug Safety Science and Wolfson Centre for Personalised Medicine, Institute of Systems, Molecular and Integrative Biology (ISMIB), University of Liverpool, Liverpool, UK; Dept. of Healthcare Surveillance and Bioethics, Section of Pharmacology, Fondazione Policlinico Universitario A. Gemelli IRCCS - Università Cattolica del Sacro Cuore, Rome, Italy
| | - Kathryn Anne Scott
- MRC Centre for Drug Safety Science and Wolfson Centre for Personalised Medicine, Institute of Systems, Molecular and Integrative Biology (ISMIB), University of Liverpool, Liverpool, UK
| | - Munir Pirmohamed
- MRC Centre for Drug Safety Science and Wolfson Centre for Personalised Medicine, Institute of Systems, Molecular and Integrative Biology (ISMIB), University of Liverpool, Liverpool, UK.
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Takeda T, Tsubaki M, Asano R, Itoh T, Imano M, Satou T, Nishida S. Dimethyl fumarate suppresses metastasis and growth of melanoma cells by inhibiting the nuclear translocation of NF-κB. J Dermatol Sci 2020; 99:168-176. [PMID: 32693971 DOI: 10.1016/j.jdermsci.2020.07.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 07/11/2020] [Accepted: 07/14/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Malignant melanoma is among the deadliest forms of skin cancers, and its incidence has been increasing over the past decades. In malignant melanoma, activation of the nuclear factor kappa B (NF-κB) promotes survival, migration, and invasion of cancer cells. Anti-NF-κB agents for treating metastatic melanoma would be beneficial, but no such drug is approved as either monotherapy or adjuvant therapy. Dimethyl fumarate (DMF) is an approved anti-inflammatory drug already in clinical use for psoriasis and multiple sclerosis. OBJECTIVE We investigated the anti-tumour effect of DMF treatment in metastatic melanoma in vitro and in vivo. METHODS The cell viability was assessed via trypan blue exclusion assay. The migration and invasion was analyzed in a Boyden chamber assay. The anti-metastatic effects and anti-tumour activity of DMF was determined in an in-vivo model. The expressions of NF-κB pathway and NF-κB regulatory proteins were detected via western blotting. RESULTS DMF decreased the cell viability, migration and invasion in vitro. In addition, DMF inhibited spontaneous metastasis and tumour growth. Mechanistically, DMF prevented the nuclear translocation of NF-κB, whereas no changes were observed in the phosphorylation levels of inhibitor of kappa B (IκB). In addition, DMF inhibited the expression of matrix metalloproteinases (MMPs) and very late antigens (VLAs). Furthermore, DMF treatment decreased the expression of Survivin and Bcl-extra large (Bcl-XL) proteins. CONCLUSION Our results suggest that DMF as a novel inhibitor of NF-κB may be a potential therapeutic agent for metastatic melanoma.
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Affiliation(s)
- Tomoya Takeda
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Osaka, Japan
| | - Masanobu Tsubaki
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Osaka, Japan
| | - Ryota Asano
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Osaka, Japan
| | - Tatsuki Itoh
- Department of Food Science and Nutrition, Kindai University School of Agriculture, Nara, Japan
| | - Motohiro Imano
- Department of Surgery, Kindai University School of Medicine, Osaka, Japan
| | - Takao Satou
- Department of Pathology, Kindai University School of Medicine, Osaka, Japan
| | - Shozo Nishida
- Division of Pharmacotherapy, Kindai University School of Pharmacy, Osaka, Japan.
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Reszke R, Szepietowski JC. A safety evaluation of dimethyl fumarate in moderate-to-severe psoriasis. Expert Opin Drug Saf 2020; 19:373-380. [PMID: 32129112 DOI: 10.1080/14740338.2020.1736553] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Introduction: Psoriasis is a chronic inflammatory disorder affecting skin, nails and joints. Systemic therapy of psoriasis is based upon several drugs which include fumaric acid esters (FAEs), initially introduced in 1959. Since 2017, one of the key substances among FAE spectrum (dimethyl fumarate; DMF) was registered by the European Medicines Agency (EMA) for the treatment of moderate-to-severe psoriasis vulgaris.Areas covered: This article covers the basic concepts underlying usefulness of DMF in psoriasis and extensively reviews the studies, which included its use in monotherapy of this dermatosis, with a particular emphasis on safety aspects and adverse events (AEs).Expert opinion: DMF monotherapy is a valuable systemic modality in the management of moderate-to-severe psoriasis as proved by a recent phase III study. AEs associated with DMF therapy are frequent, usually of mild severity, with a dose-independent manner. Occasionally they are burdensome and require drug discontinuation. The most common AEs comprise gastrointestinal symptoms, flushing and white blood cell count abnormalities. The latter require strict monitoring to prevent serious complications. Acknowledging the possibility of AEs, the use of DMF in moderate-to-severe psoriasis is encouraged while the need of further studies still remains.
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Affiliation(s)
- Radomir Reszke
- Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Wroclaw, Poland
| | - Jacek C Szepietowski
- Department of Dermatology, Venereology and Allergology, Wroclaw Medical University, Wroclaw, Poland
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Aubets J, Jansat J, Salva M, Birks VM, Cole RJ, Lewis J, Pitcher A, Hall M. No evidence for interactions of dimethylfumarate (DMF) and its main metabolite monomethylfumarate (MMF) with human cytochrome P450 (CYP) enzymes and the P-glycoprotein (P-gp) drug transporter. Pharmacol Res Perspect 2019; 7:e00540. [PMID: 31832203 PMCID: PMC6887663 DOI: 10.1002/prp2.540] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Revised: 10/04/2019] [Accepted: 10/10/2019] [Indexed: 01/28/2023] Open
Abstract
Dimethylfumarate (DMF) has long been used as part of a fixed combination of fumaric acid esters (FAE) in some European countries and is now available as an oral monotherapy for psoriasis. The present investigation determined whether DMF and its main metabolite monomethylfumarate (MMF) interact with hepatic cytochrome P450 (CYP) enzymes and the P-glycoprotein (P-gp) transporter, and was performed as part of DMF's regulatory commitments. Although referred to in the available product labels/summary of product characteristics, the actual data have not yet been made publicly available. In vitro inhibition experiments using CYP-selective substrates with human liver microsomes showed 50% inhibitory concentrations (IC50) of >666 µmol/L for DMF and >750 µmol/L for MMF. MMF (≤250 μmol/L; 72 hours) was not cytotoxic in cultured human hepatocyte experiments and mRNA expression data indicated no CYP induction by MMF (1-250 µmol/L). DMF (≤6.66 mmol/L) showed moderate-to-high absorption (apparent permeability [Papp] ≥2.3-29.7 x 10-6 cm/s) across a Caucasian colon adenocarcinoma (Caco-2) cell monolayer, while MMF (≤7.38 mmol/L) demonstrated low-to-moderate permeability (Papp 1.2-8.9 × 10-6 cm/s). DMF was not a substrate for P-gp (net efflux ratios ≤1.22) but was a weak inhibitor of P-gp at supratherapeutic concentrations (estimated IC50 relative to solvent control of 1.5 mmol/L; [3H]digoxin efflux in Caco-2 cells). This inhibition is unlikely to be clinically relevant. MMF was not a substrate or inhibitor of P-gp. Thus, DMF and MMF should not affect the absorption, distribution, metabolism or excretion of coadministered drugs that are CYP and P-gp substrates.
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Affiliation(s)
- Jordi Aubets
- Department of DMPK DevelopmentAlmirall S.A.BarcelonaSpain
| | | | - Miquel Salva
- Department of DMPK DevelopmentAlmirall S.A.BarcelonaSpain
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Pars K, Gingele M, Kronenberg J, Prajeeth CK, Skripuletz T, Pul R, Jacobs R, Gudi V, Stangel M. Fumaric Acids Do Not Directly Influence Gene Expression of Neuroprotective Factors in Highly Purified Rodent Astrocytes. Brain Sci 2019; 9:brainsci9090241. [PMID: 31546798 PMCID: PMC6769695 DOI: 10.3390/brainsci9090241] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Revised: 09/12/2019] [Accepted: 09/16/2019] [Indexed: 12/30/2022] Open
Abstract
(1) Background: Dimethylfumarate (DMF) has been approved for the treatment of relapsing remitting multiple sclerosis. However, the mode of action of DMF and its assumed active primary metabolite monomethylfumarate (MMF) is still not fully understood. Former reports suggest a neuroprotective effect of DMF mediated via astrocytes by reducing pro-inflammatory activation of these glial cells. We investigated potential direct effects of DMF and MMF on neuroprotective factors like neurotrophic factors and growth factors in astrocytes to elucidate further possible mechanisms of the mode of action of fumaric acids; (2) Methods: highly purified cultures of primary rat astrocytes were pre-treated in vitro with DMF or MMF and incubated with lipopolysaccharides (LPS) or a mixture of interferon gamma (IFN-γ) plus interleukin 1 beta (IL-1β) in order to simulate an inflammatory environment. The gene expression of neuroprotective factors such as neurotrophic factors (nuclear factor E2-related factor 2 (NGF), brain-derived neurotrophic factor (BDNF), glial cell-derived neurotrophic factor (GDNF)) and growth factors (fibroblast growth factor 2 (FGF2), platelet-derived growth factor subunit A (PDGFa), ciliary neurotrophic factor (CNTF)) as well as cytokines (tumor necrosis factor alpha (TNFα), interleukin 6 (IL-6), IL-1β, inducible nitric oxide synthase (iNOS)) was examined by determining the transcription level with real-time quantitative polymerase chain reaction (qPCR); (3) Results: The stimulation of highly purified astrocytes with either LPS or cytokines changed the expression profile of growth factors and pro- inflammatory factors. However, the expression was not altered by either DMF nor MMF in unstimulated or stimulated astrocytes; (4) Conclusions: There was no direct influence of fumaric acids on neuroprotective factors in highly purified primary rat astrocytes. This suggests that the proposed potential neuroprotective effect of fumaric acid is not mediated by direct stimulation of neurotrophic factors in astrocytes but is rather mediated by other pathways or indirect mechanisms via other glial cells like microglia as previously demonstrated.
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Affiliation(s)
- Kaweh Pars
- Clinical Neuroimmunology and Neurochemistry, Department of Neurology, Hannover, Medical School, 30559 Hannover, Germany.
- Department of Neurology, European Medical School, University Oldenburg, 26129 Oldenburg, Germany.
| | - Marina Gingele
- Clinical Neuroimmunology and Neurochemistry, Department of Neurology, Hannover, Medical School, 30559 Hannover, Germany.
| | - Jessica Kronenberg
- Clinical Neuroimmunology and Neurochemistry, Department of Neurology, Hannover, Medical School, 30559 Hannover, Germany.
- Center for Systems Neuroscience, University of Veterinary Medicine, 30559 Hannover, Germany.
| | - Chittappen K Prajeeth
- Clinical Neuroimmunology and Neurochemistry, Department of Neurology, Hannover, Medical School, 30559 Hannover, Germany.
| | - Thomas Skripuletz
- Clinical Neuroimmunology and Neurochemistry, Department of Neurology, Hannover, Medical School, 30559 Hannover, Germany.
| | - Refik Pul
- Clinical Neuroimmunology and Neurochemistry, Department of Neurology, Hannover, Medical School, 30559 Hannover, Germany.
- Department of Neurology, University Clinic Essen, 45147 Essen, Germany.
| | - Roland Jacobs
- Department of Clinical Immunology and Rheumatology, Hannover Medical School, 30559 Hannover, Germany.
| | - Viktoria Gudi
- Clinical Neuroimmunology and Neurochemistry, Department of Neurology, Hannover, Medical School, 30559 Hannover, Germany.
| | - Martin Stangel
- Clinical Neuroimmunology and Neurochemistry, Department of Neurology, Hannover, Medical School, 30559 Hannover, Germany.
- Center for Systems Neuroscience, University of Veterinary Medicine, 30559 Hannover, Germany.
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Montes Diaz G, Hupperts R, Fraussen J, Somers V. Dimethyl fumarate treatment in multiple sclerosis: Recent advances in clinical and immunological studies. Autoimmun Rev 2018; 17:1240-1250. [DOI: 10.1016/j.autrev.2018.07.001] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 07/11/2018] [Indexed: 12/30/2022]
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19
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Dimethyl fumarate is an allosteric covalent inhibitor of the p90 ribosomal S6 kinases. Nat Commun 2018; 9:4344. [PMID: 30341347 PMCID: PMC6195510 DOI: 10.1038/s41467-018-06787-w] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 09/23/2018] [Indexed: 12/12/2022] Open
Abstract
Dimethyl fumarate (DMF) has been applied for decades in the treatment of psoriasis and now also multiple sclerosis. However, the mechanism of action has remained obscure and involves high dose over long time of this small, reactive compound implicating many potential targets. Based on a 1.9 Å resolution crystal structure of the C-terminal kinase domain of the mouse p90 Ribosomal S6 Kinase 2 (RSK2) inhibited by DMF we describe a central binding site in RSKs and the closely related Mitogen and Stress-activated Kinases (MSKs). DMF reacts covalently as a Michael acceptor to a conserved cysteine residue in the αF-helix of RSK/MSKs. Binding of DMF prevents the activation loop of the kinase from engaging substrate, and stabilizes an auto-inhibitory αL-helix, thus pointing to an effective, allosteric mechanism of kinase inhibition. The biochemical and cell biological characteristics of DMF inhibition of RSK/MSKs are consistent with the clinical protocols of DMF treatment. Dimethyl fumarate (DMF) is a major drug in the treatment of psoriasis and multiple sclerosis. Here the authors reveal a mechanism of RSK/MSK inhibition through covalent inhibition that can explain the observed clinical effects and the dose–response characteristics of DMF treatment.
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20
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Dimethyl fumarate induces a persistent change in the composition of the innate and adaptive immune system in multiple sclerosis patients. Sci Rep 2018; 8:8194. [PMID: 29844361 PMCID: PMC5974280 DOI: 10.1038/s41598-018-26519-w] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Accepted: 05/14/2018] [Indexed: 11/22/2022] Open
Abstract
The effects of dimethyl fumarate (DMF) on the immune system in multiple sclerosis (MS) are not completely elucidated. In this study, an extensive immunophenotypic analysis of innate and adaptive immune cells of DMF-treated MS patients was performed. Peripheral blood immune cell phenotypes were determined using flow cytometry in a follow-up study of 12 MS patients before, after 3 and 12 months of DMF treatment and a cross-sectional study of 25 untreated and 64 DMF-treated MS patients. Direct effects of DMF on B cells were analyzed in vitro. After 12 months of DMF treatment, percentages of monocytes, natural killer cells, naive T and B cells and transitional B cells increased. Percentages of (effector) memory T cells, (non) class-switched memory B cells and double negative B cells decreased together with CD4+ T cells expressing interferon-γ (IFN-γ), granulocyte macrophage colony-stimulating factor (GM-CSF) and interleukin-17 (IL-17). DMF treatment was fully effective as of 6 months and directly induced apoptosis and decreased expression of costimulatory CD40, antigen presentation molecule MHCII and B cell activating factor receptor (BAFFR) on B cells. DMF induced a persistent change of the immune system of MS patients, directly induced apoptosis and reduced expression of functional markers on B cells.
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Brück J, Dringen R, Amasuno A, Pau-Charles I, Ghoreschi K. A review of the mechanisms of action of dimethylfumarate in the treatment of psoriasis. Exp Dermatol 2018; 27:611-624. [DOI: 10.1111/exd.13548] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/22/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Jürgen Brück
- Department of Dermatology; University Medical Center; Eberhard Karls University; Tübingen Germany
| | - Ralf Dringen
- Faculty 2 (Biology/Chemistry); Center for Biomolecular Interactions Bremen; University of Bremen; Bremen Germany
- Center for Environmental Research and Sustainable Technology; University of Bremen; Bremen Germany
| | | | | | - Kamran Ghoreschi
- Department of Dermatology; University Medical Center; Eberhard Karls University; Tübingen Germany
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22
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Kornberg MD, Bhargava P, Kim PM, Putluri V, Snowman AM, Putluri N, Calabresi PA, Snyder SH. Dimethyl fumarate targets GAPDH and aerobic glycolysis to modulate immunity. Science 2018; 360:449-453. [PMID: 29599194 DOI: 10.1126/science.aan4665] [Citation(s) in RCA: 441] [Impact Index Per Article: 73.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 01/29/2018] [Accepted: 03/15/2018] [Indexed: 12/27/2022]
Abstract
Activated immune cells undergo a metabolic switch to aerobic glycolysis akin to the Warburg effect, thereby presenting a potential therapeutic target in autoimmune disease. Dimethyl fumarate (DMF), a derivative of the Krebs cycle intermediate fumarate, is an immunomodulatory drug used to treat multiple sclerosis and psoriasis. Although its therapeutic mechanism remains uncertain, DMF covalently modifies cysteine residues in a process termed succination. We found that DMF succinates and inactivates the catalytic cysteine of the glycolytic enzyme glyceraldehyde 3-phosphate dehydrogenase (GAPDH) in mice and humans, both in vitro and in vivo. It thereby down-regulates aerobic glycolysis in activated myeloid and lymphoid cells, which mediates its anti-inflammatory effects. Our results provide mechanistic insight into immune modulation by DMF and represent a proof of concept that aerobic glycolysis is a therapeutic target in autoimmunity.
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Affiliation(s)
- Michael D Kornberg
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Pavan Bhargava
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Paul M Kim
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA
| | - Vasanta Putluri
- Advanced Technology Core, Baylor College of Medicine, Houston, TX 77030, USA
| | - Adele M Snowman
- Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Nagireddy Putluri
- Advanced Technology Core, Baylor College of Medicine, Houston, TX 77030, USA.,Department of Molecular and Cellular Biology, Baylor College of Medicine, Houston, TX 77030, USA
| | - Peter A Calabresi
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA.,Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Solomon H Snyder
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21287, USA. .,Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.,Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
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Mrowietz U, Morrison PJ, Suhrkamp I, Kumanova M, Clement B. The Pharmacokinetics of Fumaric Acid Esters Reveal Their In Vivo Effects. Trends Pharmacol Sci 2018; 39:1-12. [DOI: 10.1016/j.tips.2017.11.002] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 11/06/2017] [Accepted: 11/08/2017] [Indexed: 12/21/2022]
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Distinct Nrf2 Signaling Mechanisms of Fumaric Acid Esters and Their Role in Neuroprotection against 1-Methyl-4-Phenyl-1,2,3,6-Tetrahydropyridine-Induced Experimental Parkinson's-Like Disease. J Neurosci 2017; 36:6332-51. [PMID: 27277809 DOI: 10.1523/jneurosci.0426-16.2016] [Citation(s) in RCA: 150] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 05/02/2016] [Indexed: 11/21/2022] Open
Abstract
UNLABELLED A promising approach to neurotherapeutics involves activating the nuclear-factor-E2-related factor 2 (Nrf2)/antioxidant response element signaling, which regulates expression of antioxidant, anti-inflammatory, and cytoprotective genes. Tecfidera, a putative Nrf2 activator, is an oral formulation of dimethylfumarate (DMF) used to treat multiple sclerosis. We compared the effects of DMF and its bioactive metabolite monomethylfumarate (MMF) on Nrf2 signaling and their ability to block 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced experimental Parkinson's disease (PD). We show that in vitro DMF and MMF activate the Nrf2 pathway via S-alkylation of the Nrf2 inhibitor Keap1 and by causing nuclear exit of the Nrf2 repressor Bach1. Nrf2 activation by DMF but not MMF was associated with depletion of glutathione, decreased cell viability, and inhibition of mitochondrial oxygen consumption and glycolysis rates in a dose-dependent manner, whereas MMF increased these activities in vitro However, both DMF and MMF upregulated mitochondrial biogenesis in vitro in an Nrf2-dependent manner. Despite the in vitro differences, both DMF and MMF exerted similar neuroprotective effects and blocked MPTP neurotoxicity in wild-type but not in Nrf2 null mice. Our data suggest that DMF and MMF exhibit neuroprotective effects against MPTP neurotoxicity because of their distinct Nrf2-mediated antioxidant, anti-inflammatory, and mitochondrial functional/biogenetic effects, but MMF does so without depleting glutathione and inhibiting mitochondrial and glycolytic functions. Given that oxidative damage, neuroinflammation, and mitochondrial dysfunction are all implicated in PD pathogenesis, our results provide preclinical evidence for the development of MMF rather than DMF as a novel PD therapeutic. SIGNIFICANCE STATEMENT Almost two centuries since its first description by James Parkinson, Parkinson's disease (PD) remains an incurable disease with limited symptomatic treatment. The current study provides preclinical evidence that a Food and Drug Administration-approved drug, dimethylfumarate (DMF), and its metabolite monomethylfumarate (MMF) can block nigrostriatal dopaminergic neurodegeneration in a 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine mouse model of PD. We elucidated mechanisms by which DMF and its active metabolite MMF activates the redox-sensitive transcription factor nuclear-factor-E2-related factor 2 (Nrf2) to upregulate antioxidant, anti-inflammatory, mitochondrial biosynthetic and cytoprotective genes to render neuroprotection via distinct S-alkylating properties and depletion of glutathione. Our data suggest that targeting Nrf2-mediated gene transcription using MMF rather than DMF is a promising approach to block oxidative stress, neuroinflammation, and mitochondrial dysfunction for therapeutic intervention in PD while minimizing side effects.
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Ghadiri M, Rezk A, Li R, Evans A, Luessi F, Zipp F, Giacomini PS, Antel J, Bar-Or A. Dimethyl fumarate-induced lymphopenia in MS due to differential T-cell subset apoptosis. NEUROLOGY-NEUROIMMUNOLOGY & NEUROINFLAMMATION 2017; 4:e340. [PMID: 28377940 PMCID: PMC5365096 DOI: 10.1212/nxi.0000000000000340] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/16/2016] [Accepted: 01/30/2017] [Indexed: 01/12/2023]
Abstract
Objective: To examine the mechanism underlying the preferential CD8+ vs CD4+ T-cell lymphopenia induced by dimethyl fumarate (DMF) treatment of MS. Methods: Total lymphocyte counts and comprehensive T-cell subset analyses were performed in high-quality samples obtained from patients with MS prior to and serially following DMF treatment initiation. Random coefficient mixed-effects analysis was used to model the trajectory of T-cell subset losses in vivo. Survival and apoptosis of distinct T-cell subsets were assessed following in vitro exposure to DMF. Results: Best-fit modeling indicated that the DMF-induced preferential reductions in CD8+ vs CD4+ T-cell counts nonetheless followed similar depletion kinetics, suggesting a similar rather than distinct mechanism involved in losses of both the CD8+ and CD4+ T cells. In vitro, DMF exposure resulted in dose-dependent reductions in T-cell survival, which were found to reflect apoptotic cell death. This DMF-induced apoptosis was greater for CD8+ vs CD4+, as well as for memory vs naive, and conventional vs regulatory T-cell subsets, a pattern which mirrored preferential T-cell subset losses that we observed during in vivo treatment of patients. Conclusions: Differential apoptosis mediated by DMF may underlie the preferential lymphopenia of distinct T-cell subsets, including CD8+ and memory T-cell subsets, seen in treated patients with MS. This differential susceptibility of distinct T-cell subsets to DMF-induced apoptosis may contribute to both the safety and efficacy profiles of DMF in patients with MS.
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Affiliation(s)
- Mahtab Ghadiri
- Montreal Neurological Institute (M.G., A.R., R.L., P.S.G., J.A., A.B.-O.), McGill University, Montreal, QC, Canada; Brain and Mind Centre (M.G.), University of Sydney, NSW, Australia; Institute of Actuaries of Australia (A.E.); Department of Neurology (F.L., F.Z.), University Medical Center Mainz, Germany; and Department of Neurology (A.R., R.L., A.B.-O.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Ayman Rezk
- Montreal Neurological Institute (M.G., A.R., R.L., P.S.G., J.A., A.B.-O.), McGill University, Montreal, QC, Canada; Brain and Mind Centre (M.G.), University of Sydney, NSW, Australia; Institute of Actuaries of Australia (A.E.); Department of Neurology (F.L., F.Z.), University Medical Center Mainz, Germany; and Department of Neurology (A.R., R.L., A.B.-O.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Rui Li
- Montreal Neurological Institute (M.G., A.R., R.L., P.S.G., J.A., A.B.-O.), McGill University, Montreal, QC, Canada; Brain and Mind Centre (M.G.), University of Sydney, NSW, Australia; Institute of Actuaries of Australia (A.E.); Department of Neurology (F.L., F.Z.), University Medical Center Mainz, Germany; and Department of Neurology (A.R., R.L., A.B.-O.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Ashley Evans
- Montreal Neurological Institute (M.G., A.R., R.L., P.S.G., J.A., A.B.-O.), McGill University, Montreal, QC, Canada; Brain and Mind Centre (M.G.), University of Sydney, NSW, Australia; Institute of Actuaries of Australia (A.E.); Department of Neurology (F.L., F.Z.), University Medical Center Mainz, Germany; and Department of Neurology (A.R., R.L., A.B.-O.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Felix Luessi
- Montreal Neurological Institute (M.G., A.R., R.L., P.S.G., J.A., A.B.-O.), McGill University, Montreal, QC, Canada; Brain and Mind Centre (M.G.), University of Sydney, NSW, Australia; Institute of Actuaries of Australia (A.E.); Department of Neurology (F.L., F.Z.), University Medical Center Mainz, Germany; and Department of Neurology (A.R., R.L., A.B.-O.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Frauke Zipp
- Montreal Neurological Institute (M.G., A.R., R.L., P.S.G., J.A., A.B.-O.), McGill University, Montreal, QC, Canada; Brain and Mind Centre (M.G.), University of Sydney, NSW, Australia; Institute of Actuaries of Australia (A.E.); Department of Neurology (F.L., F.Z.), University Medical Center Mainz, Germany; and Department of Neurology (A.R., R.L., A.B.-O.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Paul S Giacomini
- Montreal Neurological Institute (M.G., A.R., R.L., P.S.G., J.A., A.B.-O.), McGill University, Montreal, QC, Canada; Brain and Mind Centre (M.G.), University of Sydney, NSW, Australia; Institute of Actuaries of Australia (A.E.); Department of Neurology (F.L., F.Z.), University Medical Center Mainz, Germany; and Department of Neurology (A.R., R.L., A.B.-O.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Jack Antel
- Montreal Neurological Institute (M.G., A.R., R.L., P.S.G., J.A., A.B.-O.), McGill University, Montreal, QC, Canada; Brain and Mind Centre (M.G.), University of Sydney, NSW, Australia; Institute of Actuaries of Australia (A.E.); Department of Neurology (F.L., F.Z.), University Medical Center Mainz, Germany; and Department of Neurology (A.R., R.L., A.B.-O.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
| | - Amit Bar-Or
- Montreal Neurological Institute (M.G., A.R., R.L., P.S.G., J.A., A.B.-O.), McGill University, Montreal, QC, Canada; Brain and Mind Centre (M.G.), University of Sydney, NSW, Australia; Institute of Actuaries of Australia (A.E.); Department of Neurology (F.L., F.Z.), University Medical Center Mainz, Germany; and Department of Neurology (A.R., R.L., A.B.-O.), Perelman School of Medicine, University of Pennsylvania, Philadelphia
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Gopal S, Mikulskis A, Gold R, Fox RJ, Dawson KT, Amaravadi L. Evidence of activation of the Nrf2 pathway in multiple sclerosis patients treated with delayed-release dimethyl fumarate in the Phase 3 DEFINE and CONFIRM studies. Mult Scler 2017; 23:1875-1883. [PMID: 28156185 DOI: 10.1177/1352458517690617] [Citation(s) in RCA: 75] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
BACKGROUND Delayed-release dimethyl fumarate (DMF) is an approved oral treatment for relapsing forms of multiple sclerosis (MS). Preclinical studies demonstrated that DMF activated the nuclear factor E2-related factor 2 (Nrf2) pathway. DMF and its primary metabolite monomethyl fumarate (MMF) were also shown to promote cytoprotection of cultured central nervous system (CNS) cells via the Nrf2 pathway. OBJECTIVE To investigate the activation of Nrf2 pathway following ex vivo stimulation of human peripheral blood mononuclear cells (PBMCs) with DMF or MMF, and in DMF-treated patients from two Phase 3 relapsing MS studies DEFINE and CONFIRM. METHODS Transcription of Nrf2 target genes NADPH:quinone oxidoreductase-1 (NQO1) and heme-oxygenase-1 (HO1) was measured using Taqman® assays. RNA samples were isolated from ex vivo-stimulated PBMCs and from whole blood samples of 200 patients each from placebo, twice daily (BID) and three times daily (TID) treatments. RESULTS DMF and MMF induced NQO1 and HO1 gene expression in ex vivo-stimulated PBMCs, DMF being the more potent inducer. Induction of NQO1 occurred at lower DMF concentrations compared to that of HO1. In DMF-treated patients, a statistically significant induction of NQO1 was observed relative to baseline and compared to placebo. No statistical significance was reached for HO1 induction. CONCLUSION These data provide the first evidence of Nrf2 pathway activation from two large pivotal Phase 3 studies of DMF-treated MS patients.
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Affiliation(s)
| | | | - Ralf Gold
- St. Josef Hospital, Ruhr University Bochum, Bochum, Germany
| | - Robert J Fox
- Mellen Center for Multiple Sclerosis Treatment and Research, Cleveland Clinic, Cleveland, OH, USA
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Mrowietz U, Szepietowski J, Loewe R, van de Kerkhof P, Lamarca R, Ocker W, Tebbs V, Pau-Charles I. Efficacy and safety of LAS41008 (dimethyl fumarate) in adults with moderate-to-severe chronic plaque psoriasis: a randomized, double-blind, Fumaderm®- and placebo-controlled trial (BRIDGE). Br J Dermatol 2016; 176:615-623. [DOI: 10.1111/bjd.14947] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/09/2016] [Indexed: 01/05/2023]
Affiliation(s)
- U. Mrowietz
- Psoriasis Center at the Department of Dermatology; University Medical Center Schleswig-Holstein, Campus Kiel; Schittenhelmstraße 7 24105 Kiel Germany
| | - J.C. Szepietowski
- Department of Dermatology, Venereology and Allergology; Wroclaw Medical University; Wroclaw Poland
| | - R. Loewe
- Department of Dermatology; Medical University of Vienna; Vienna Austria
| | - P. van de Kerkhof
- Department of Dermatology; Radboud University Medical Center; Nijmegen the Netherlands
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Peng H, Li H, Sheehy A, Cullen P, Allaire N, Scannevin RH. Dimethyl fumarate alters microglia phenotype and protects neurons against proinflammatory toxic microenvironments. J Neuroimmunol 2016; 299:35-44. [DOI: 10.1016/j.jneuroim.2016.08.006] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Revised: 08/03/2016] [Accepted: 08/04/2016] [Indexed: 12/15/2022]
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Lastres-Becker I, García-Yagüe AJ, Scannevin RH, Casarejos MJ, Kügler S, Rábano A, Cuadrado A. Repurposing the NRF2 Activator Dimethyl Fumarate as Therapy Against Synucleinopathy in Parkinson's Disease. Antioxid Redox Signal 2016; 25:61-77. [PMID: 27009601 PMCID: PMC4943471 DOI: 10.1089/ars.2015.6549] [Citation(s) in RCA: 206] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
AIMS This preclinical study was aimed at determining whether pharmacological targeting of transcription factor NRF2, a master controller of many homeostatic genes, might provide a disease-modifying therapy in the animal model of Parkinson's disease (PD) that best reproduces the main hallmark of this pathology, that is, α-synucleinopathy, and associated events, including nigral dopaminergic cell death, oxidative stress, and neuroinflammation. RESULTS Pharmacological activation of NRF2 was achieved at the basal ganglia by repurposing dimethyl fumarate (DMF), a drug already in use for the treatment of multiple sclerosis. Daily oral gavage of DMF protected nigral dopaminergic neurons against α-SYN toxicity and decreased astrocytosis and microgliosis after 1, 3, and 8 weeks from stereotaxic delivery to the ventral midbrain of recombinant adeno-associated viral vector expressing human α-synuclein. This protective effect was not observed in Nrf2-knockout mice. In vitro studies indicated that this neuroprotective effect was correlated with altered regulation of autophagy markers SQTSM1/p62 and LC3 in MN9D, BV2, and IMA 2.1 and with a shift in microglial dynamics toward a less pro-inflammatory and a more wound-healing phenotype. In postmortem samples of PD patients, the cytoprotective proteins associated with NRF2 expression, NQO1 and p62, were partly sequestered in Lewy bodies, suggesting impaired neuroprotective capacity of the NRF2 signature. INNOVATION These experiments provide a compelling rationale for targeting NRF2 with DMF as a therapeutic strategy to reinforce endogenous brain defense mechanisms against PD-associated synucleinopathy. CONCLUSION DMF is ready for clinical validation in PD. Antioxid. Redox Signal. 25, 61-77.
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Affiliation(s)
- Isabel Lastres-Becker
- 1 Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Instituto de Investigación Sanitaria La Paz (IdiPaz), Instituto de Investigaciones Biomédicas Alberto Sols UAM-CSIC , Madrid, Spain .,2 Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid , Madrid, Spain
| | - Angel J García-Yagüe
- 1 Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Instituto de Investigación Sanitaria La Paz (IdiPaz), Instituto de Investigaciones Biomédicas Alberto Sols UAM-CSIC , Madrid, Spain .,2 Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid , Madrid, Spain
| | | | - María J Casarejos
- 4 Servicio de Neurobiología-Investigación, Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS) , Madrid, Spain
| | - Sebastian Kügler
- 5 Department of Neurology, Center Nanoscale Microscopy and Molecular Physiology of the Brain (CNMPB), University Medicine Göttingen , Göttingen, Germany
| | - Alberto Rábano
- 6 Department of Neuropathology and Tissue Bank, Unidad de Investigación Proyecto Alzheimer, Fundación CIEN, Instituto de Salud Carlos III , Madrid, Spain
| | - Antonio Cuadrado
- 1 Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Instituto de Investigación Sanitaria La Paz (IdiPaz), Instituto de Investigaciones Biomédicas Alberto Sols UAM-CSIC , Madrid, Spain .,2 Department of Biochemistry, Faculty of Medicine, Autonomous University of Madrid , Madrid, Spain
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Dimethyl fumarate ameliorates dextran sulfate sodium-induced murine experimental colitis by activating Nrf2 and suppressing NLRP3 inflammasome activation. Biochem Pharmacol 2016; 112:37-49. [DOI: 10.1016/j.bcp.2016.05.002] [Citation(s) in RCA: 94] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Accepted: 05/04/2016] [Indexed: 02/07/2023]
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Ghashghaeinia M, Giustarini D, Koralkova P, Köberle M, Alzoubi K, Bissinger R, Hosseinzadeh Z, Dreischer P, Bernhardt I, Lang F, Toulany M, Wieder T, Mojzikova R, Rossi R, Mrowietz U. Pharmacological targeting of glucose-6-phosphate dehydrogenase in human erythrocytes by Bay 11-7082, parthenolide and dimethyl fumarate. Sci Rep 2016; 6:28754. [PMID: 27353740 PMCID: PMC4926109 DOI: 10.1038/srep28754] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Accepted: 06/08/2016] [Indexed: 12/19/2022] Open
Abstract
In mature erythrocytes, glucose-6-phosphate dehydrogenase (G6PDH) and 6-phosphogluconate dehydrogenase (6PGDH) yield NADPH, a crucial cofactor of the enzyme glutathione reductase (GR) converting glutathione disulfide (GSSG) into its reduced state (GSH). GSH is essential for detoxification processes in and survival of erythrocytes. We explored whether the anti-inflammatory compounds Bay 11–7082, parthenolide and dimethyl fumarate (DMF) were able to completely deplete a common target (GSH), and to impair the function of upstream enzymes of GSH recycling and replenishment. Treatment of erythrocytes with Bay 11–7082, parthenolide or DMF led to concentration-dependent eryptosis resulting from complete depletion of GSH. GSH depletion was due to strong inhibition of G6PDH activity. Bay 11–7082 and DMF, but not parthenolide, were able to inhibit the GR activity. This approach “Inhibitors, Detection of their common target that is completely depleted or inactivated when pharmacologically relevant concentrations of each single inhibitor are applied, Subsequent functional analysis of upstream enzymes for this target” (IDS), can be applied to a broad range of inhibitors and cell types according to the selected target. The specific G6PDH inhibitory effect of these compounds may be exploited for the treatment of human diseases with high NADPH and GSH consumption rates, including malaria, trypanosomiasis, cancer or obesity.
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Affiliation(s)
- Mehrdad Ghashghaeinia
- Psoriasis-Center, Department of Dermatology, University Medical Center Schleswig-Holstein, Campus Kiel, Schittenhelmstr. 7, Kiel, 24105, Germany
| | - Daniela Giustarini
- Department of Life Sciences, Laboratory of Pharmacology and Toxicology, University of Siena, Via A Moro 2, 53100, Siena, Italy
| | - Pavla Koralkova
- Department of Biology, Faculty of Medicine and Dentistry Palacky University, Hnevotinska 3, 77515 Olomouc, Czech Republic
| | - Martin Köberle
- Department of Dermatology and Allergy, Biedersteinerstr. 29, Technische Universität München, 80802 München, Germany
| | - Kousi Alzoubi
- Department of Cardiology, Vascular Medicine and Physiology, University of Tübingen, Gmelinstr. 5, 72076, Tübingen, Germany
| | - Rosi Bissinger
- Department of Cardiology, Vascular Medicine and Physiology, University of Tübingen, Gmelinstr. 5, 72076, Tübingen, Germany
| | - Zohreh Hosseinzadeh
- Centre for Ophthalmology, Institute for Ophthalmic Research, Eberhard-Karls-University Tübingen, Frondsbergstr. 23, 72076 Tübingen, Germany
| | - Peter Dreischer
- Institute of Physiology II, Keplerstr. 15, Eberhard Karls University of Tübingen, 72074 Tübingen, Germany
| | - Ingolf Bernhardt
- Laboratory of Biophysics, Saarland University, Campus A2.4, 66123 Saarbrücken, Germany
| | - Florian Lang
- Department of Cardiology, Vascular Medicine and Physiology, University of Tübingen, Gmelinstr. 5, 72076, Tübingen, Germany
| | - Mahmoud Toulany
- Division of Radiobiology and Molecular Environmental Research, Department of Radiation Oncology, Roentgenweg 11, Eberhard Karls University Tübingen, 72076 Tübingen, Germany
| | - Thomas Wieder
- Department of Dermatology; Eberhard Karls University, Tübingen, Germany
| | - Renata Mojzikova
- Department of Biology, Faculty of Medicine and Dentistry Palacky University, Hnevotinska 3, 77515 Olomouc, Czech Republic
| | - Ranieri Rossi
- Department of Life Sciences, Laboratory of Pharmacology and Toxicology, University of Siena, Via A Moro 2, 53100, Siena, Italy
| | - Ulrich Mrowietz
- Psoriasis-Center, Department of Dermatology, University Medical Center Schleswig-Holstein, Campus Kiel, Schittenhelmstr. 7, Kiel, 24105, Germany
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Dimethyl fumarate restores apoptosis sensitivity and inhibits tumor growth and metastasis in CTCL by targeting NF-κB. Blood 2016; 128:805-15. [PMID: 27268084 DOI: 10.1182/blood-2016-01-694117] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2016] [Accepted: 05/26/2016] [Indexed: 12/19/2022] Open
Abstract
Despite intensive efforts in recent years, a curative therapy for cutaneous T-cell lymphoma (CTCL) has not yet been developed. Therefore, the establishment of new therapeutic approaches with higher efficacy rates and milder side effects is strongly desired. A characteristic feature of the malignant T-cell population in CTCL is resistance toward cell death resulting from constitutive NF-κB activation. Therefore, NF-κB-dependent cell death resistance represents an interesting therapeutic target in CTCL because an NF-κB-directed therapy would leave bystander T cells widely unaffected. We investigated the effects of dimethyl fumarate (DMF) on CTCL cells in vitro and in vivo. DMF induced cell death in primary patient-derived CD4(+) cells and CTCL cell lines, but hardly in T cells from healthy donors. DMF-induced cell death was linked specifically to NF-κB inhibition. To study the impact of DMF in vivo, we developed 2 CTCL xenograft mouse models with different cutaneous localizations of the T-cell infiltrate. DMF treatment delayed the growth of CTCL tumors and prevented formation of distant metastases. In addition, DMF induced increased cell death in primary CTCL tumors and in liver metastases. In summary, DMF treatment represents a remarkable therapeutic option in CTCL because it restores CTCL apoptosis in vitro and in preclinical models in vivo and prevents spreading of the disease to distant sites. DMF treatment is of particular promise in CTCL because DMF is already in successful clinical use in the treatment of psoriasis and multiple sclerosis allowing fast translation into clinical studies in CTCL.
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Lin-Holderer J, Li L, Gruneberg D, Marti HH, Kunze R. Fumaric acid esters promote neuronal survival upon ischemic stress through activation of the Nrf2 but not HIF-1 signaling pathway. Neuropharmacology 2016; 105:228-240. [PMID: 26801077 DOI: 10.1016/j.neuropharm.2016.01.023] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 01/15/2016] [Accepted: 01/18/2016] [Indexed: 12/30/2022]
Abstract
Oxidative stress is a hallmark of ischemic stroke pathogenesis causing neuronal malfunction and cell death. Up-regulation of anti-oxidative genes through activation of the NF-E2-related transcription factor 2 (Nrf2) is one of the key mechanisms in cellular defense against oxidative stress. Fumaric acid esters (FAEs) represent a class of anti-oxidative and anti-inflammatory molecules that are already in clinical use for multiple sclerosis therapy. Purpose of this study was to investigate whether FAEs promote neuronal survival upon ischemia, and analyze putative underlying molecular mechanisms in neurons. Murine organotypic hippocampal slice cultures, and two neuronal cell lines were treated with dimethyl fumarate (DMF) and monomethyl fumarate (MMF). Ischemic conditions were generated by exposing cells and slice cultures to oxygen-glucose deprivation (OGD), and cell death was determined through propidium iodide staining. Treatment with both DMF and MMF immediately after OGD during reoxygenation strongly reduced cell death in hippocampal cultures ex vivo. Both DMF and MMF promoted neuronal survival in HT-22 and SH-SY5Y cell lines exposed to ischemic stress. DMF but not MMF activated the anti-oxidative Nrf2 pathway in neurons. Accordingly, Nrf2 knockdown in murine neurons abrogated the protective effect of DMF but not MMF. Moreover, FAEs did not activate the hypoxia-inducible factor (HIF) pathway suggesting that this pathway may not significantly contribute to FAE mediated neuroprotection. Our results may provide the basis for a new therapeutic approach to treat ischemic pathologies such as stroke with a drug that already has a broad safety record in humans.
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Affiliation(s)
- Jiemeng Lin-Holderer
- Institute of Physiology and Pathophysiology, University of Heidelberg, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
| | - Lexiao Li
- Institute of Physiology and Pathophysiology, University of Heidelberg, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
| | - Daniel Gruneberg
- Institute of Physiology and Pathophysiology, University of Heidelberg, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
| | - Hugo H Marti
- Institute of Physiology and Pathophysiology, University of Heidelberg, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany
| | - Reiner Kunze
- Institute of Physiology and Pathophysiology, University of Heidelberg, Im Neuenheimer Feld 326, 69120 Heidelberg, Germany.
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Lim JL, van der Pol SMA, Di Dio F, van Het Hof B, Kooij G, de Vries HE, van Horssen J. Protective effects of monomethyl fumarate at the inflamed blood-brain barrier. Microvasc Res 2015; 105:61-9. [PMID: 26679389 DOI: 10.1016/j.mvr.2015.12.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Revised: 12/07/2015] [Accepted: 12/07/2015] [Indexed: 10/22/2022]
Abstract
BACKGROUND Reactive oxygen species play a key role in the pathogenesis of multiple sclerosis as they induce blood-brain barrier disruption and enhance transendothelial leukocyte migration. Thus, therapeutic compounds with antioxidant and anti-inflammatory potential could have clinical value in multiple sclerosis. The aim of the current study was to elucidate the therapeutic effects of monomethyl fumarate on inflammatory-mediated changes in blood-brain barrier function and gain insight into the underlying mechanism. METHODS The effects of monomethyl fumarate on monocyte transendothelial migration across and adhesion to inflamed human brain endothelial cells (hCMEC/D3) were quantified using standardized in vitro migration and adhesion assays. Flow cytometry analysis and qPCR were used to measure the concomitant effects of monomethyl fumarate treatment on protein expression of cell adhesion molecules. Furthermore, the effects of monomethyl fumarate on the expression and nuclear localization of proteins involved in the activation of antioxidant and inflammatory pathways in human brain endothelial cells were elucidated using nuclear fractionation and Western blotting. Statistical analysis was performed using one-way ANOVA followed by the Bonferroni post-hoc test. RESULTS Our results show that monomethyl fumarate induced nuclear translocation of nuclear factor (erythroid-derived 2)-like 2 and concomitant production of the antioxidant enzymes heme oxygenase-1 and NADPH:quinone oxidoreductase-1 in brain endothelial cells. Importantly, monomethyl fumarate treatment markedly decreased monocyte transendothelial migration across and adhesion to inflamed human brain endothelial cells. Treatment of brain endothelial cells with monomethyl fumarate resulted in a striking reduction of vascular cell adhesion molecule expression. Surprisingly, monomethyl fumarate did not affect nuclear translocation of nuclear factor-кB suggesting that monomethyl fumarate potentially affects activity of nuclear factor-ĸB downstream of nuclear translocation. CONCLUSIONS Taken together, we show that monomethyl fumarate, the primary metabolite of dimethyl fumarate, which is currently used in the clinics for the treatment of relapsing-remitting multiple sclerosis, demonstrates beneficial therapeutic effects at the inflamed blood-brain barrier.
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Affiliation(s)
- Jamie L Lim
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands.
| | - Susanne M A van der Pol
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands.
| | - Flaminia Di Dio
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands.
| | - Bert van Het Hof
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands.
| | - Gijs Kooij
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands.
| | - Helga E de Vries
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands.
| | - Jack van Horssen
- Department of Molecular Cell Biology and Immunology, VU University Medical Center, Amsterdam, The Netherlands.
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Michell-Robinson MA, Moore CS, Healy LM, Osso LA, Zorko N, Grouza V, Touil H, Poliquin-Lasnier L, Trudelle AM, Giacomini PS, Bar-Or A, Antel JP. Effects of fumarates on circulating and CNS myeloid cells in multiple sclerosis. Ann Clin Transl Neurol 2015; 3:27-41. [PMID: 26783548 PMCID: PMC4704479 DOI: 10.1002/acn3.270] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 10/14/2015] [Accepted: 11/03/2015] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVE Dimethyl fumarate (DMF), a therapy for relapsing-remitting multiple sclerosis (RRMS), is implicated as acting on inflammatory and antioxidant responses within both systemic immune and/or central nervous system (CNS) compartments. Orally administered DMF is rapidly metabolized to monomethyl fumarate (MMF). Our aim was to analyze the impact of fumarates on antiinflammatory and antioxidant profiles of human myeloid cells found in the systemic compartment (monocytes) and in the inflamed CNS (blood-derived macrophages and brain-derived microglia). METHODS We analyzed cytokine and antioxidant expression in monocytes from untreated or DMF-treated RRMS patients and controls, and in monocyte-derived macrophages (MDMs) and microglia isolated from adult and fetal human brain tissue. RESULTS Monocytes from multiple sclerosis (MS) patients receiving DMF had reduced expression of the proinflammatory micro-RNA miR-155 and of antioxidant genes HMOX1 and OSGIN1 compared to untreated MS patients; similar changes were observed in patients receiving FTY720 and/or natalizumab. In vitro addition of DMF but not MMF to MDMs and microglia inhibited lipopolysaccharide-induced production of inflammatory cytokines and increased expression of the antioxidant gene HMOX1 in the absence of significant cytotoxicity. INTERPRETATION Our in vivo-based observations that effects of DMF therapy on systemic myeloid cell gene expression are also observed with FTY720 and natalizumab therapy suggests that the effect may be indirect, reflecting reduced overall disease activity. Our in vitro results demonstrate significant effects of DMF but not MMF on inflammation and antioxidant responses by MDMs and microglia, questioning the mechanisms whereby DMF therapy would modulate myeloid cell properties within the CNS.
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Affiliation(s)
- Mackenzie A Michell-Robinson
- Neuroimmunology Unit Department of Neurology and Neurosurgery Montreal Neurological Institute and Hospital McGill University Montreal Quebec Canada
| | - Craig S Moore
- Division of BioMedical Sciences Faculty of Medicine Memorial University St. John's Newfoundland Canada
| | - Luke M Healy
- Neuroimmunology Unit Department of Neurology and Neurosurgery Montreal Neurological Institute and Hospital McGill University Montreal Quebec Canada
| | - Lindsay A Osso
- Neuroimmunology Unit Department of Neurology and Neurosurgery Montreal Neurological Institute and Hospital McGill University Montreal Quebec Canada
| | - Nika Zorko
- Neuroimmunology Unit Department of Neurology and Neurosurgery Montreal Neurological Institute and Hospital McGill University Montreal Quebec Canada
| | - Vladimir Grouza
- Institute of Biomaterials and Biomedical Engineering University of Toronto Toronto Ontario Canada
| | - Hanane Touil
- Neuroimmunology Unit Department of Neurology and Neurosurgery Montreal Neurological Institute and Hospital McGill University Montreal Quebec Canada
| | - Laurence Poliquin-Lasnier
- Neuroimmunology Unit Department of Neurology and Neurosurgery Montreal Neurological Institute and Hospital McGill University Montreal Quebec Canada
| | - Anne-Marie Trudelle
- Neuroimmunology Unit Department of Neurology and Neurosurgery Montreal Neurological Institute and Hospital McGill University Montreal Quebec Canada
| | - Paul S Giacomini
- Neuroimmunology Unit Department of Neurology and Neurosurgery Montreal Neurological Institute and Hospital McGill University Montreal Quebec Canada
| | - Amit Bar-Or
- Neuroimmunology Unit Department of Neurology and Neurosurgery Montreal Neurological Institute and Hospital McGill University Montreal Quebec Canada
| | - Jack P Antel
- Neuroimmunology Unit Department of Neurology and Neurosurgery Montreal Neurological Institute and Hospital McGill University Montreal Quebec Canada
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Das RK, Brar SK, Verma M. Recent advances in the biomedical applications of fumaric acid and its ester derivatives: The multifaceted alternative therapeutics. Pharmacol Rep 2015; 68:404-14. [PMID: 26922546 DOI: 10.1016/j.pharep.2015.10.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Revised: 10/17/2015] [Accepted: 10/19/2015] [Indexed: 12/29/2022]
Abstract
Several lines of evidence have demonstrated the potential biomedical applications of fumaric acid (FA) and its ester derivatives against many human disease conditions. Fumaric acid esters (FAEs) have been licensed for the systemic treatment of the immune-mediated disease psoriasis. Biogen Idec Inc. announced about the safety and efficacy of the formulation FAE (BG-12) for treating RRMS (relapsing-remitting multiple sclerosis). Another FAE formulation DMF (dimethyl fumarate) was found to be capable of reduction in inflammatory cardiac conditions, such as autoimmune myocarditis and ischemia and reperfusion. DMF has also been reported to be effective as a potential neuroprotectant against the HIV-associated neurocognitive disorders (HAND). Many in vivo studies carried out on rat and mice models indicated inhibitory effects of fumaric acid on carcinogenesis of different origins. Moreover, FAEs has emerged as an important matrix ingredient in the fabrication of biodegradable scaffolds for tissue engineering applications. Drug delivery vehicles composed of FAEs have shown promising results in delivering some leading drug molecules. Apart from these specific applications and findings, many more studies on FAEs have revealed new therapeutic potentials with the scope of clinical applications. However, until now, this scattered vital information has not been written into a collective account and analyzed for minute details. The aim of this paper is to review the advancement made in the biomedical application of FA and FAEs and to focus on the clinical investigation and molecular interpretation of the beneficial effects of FA and FAEs.
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Nielsen AS. Advances in the management of relapsing-remitting multiple sclerosis: role of oral dimethyl fumarate (BG-12). Degener Neurol Neuromuscul Dis 2015; 5:51-61. [PMID: 32669912 PMCID: PMC7337155 DOI: 10.2147/dnnd.s68723] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2015] [Accepted: 04/23/2015] [Indexed: 12/30/2022] Open
Abstract
Multiple sclerosis is a complex and chronic inflammatory disease of the central nervous system which affects an estimated 2.3 million individuals worldwide. Genetic research has uncovered over 100 immune-related genes associated with the disease and has provided a multitude of potential therapeutic targets. To date, 13 US Food and Drug Administration-approved disease-modifying therapies designed to influence the aberrant immune system are available for the indication of relapsing forms of the disease. BG-12 is a novel oral multiple sclerosis therapeutic with a unique putative mechanism of action that activates the Nrf2 anti-oxidant pathway. Despite the enthusiasm for multiple therapeutic options, including oral options, the practitioner is faced with the difficult task of providing guidance for patients regarding optimal sequencing of therapeutics without sensitive clinical biomarkers to match a particular therapy’s putative mechanism of action to the patient’s specific pathophysiology. Moreover, while BG-12 has a preferred route of administration, there is limited safety data with which to guide counseling in the clinic. Dimethyl fumarate (DMF or BG-12) is one of three available oral therapies which will be discussed in this review in terms of its pharmacokinetic profile, putative mechanism of action, clinical effectiveness, safety, tolerance, and patient-reported experience. BG-12’s potential as a first-line therapy and as a sequencing therapeutic to aid in transition off natalizumab will be discussed.
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Affiliation(s)
- A Scott Nielsen
- Virginia Mason Multiple Sclerosis Center, Seattle, WA, USA.,Department of Neurology, University of Washington, Seattle, WA, USA
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Gillard GO, Collette B, Anderson J, Chao J, Scannevin RH, Huss DJ, Fontenot JD. DMF, but not other fumarates, inhibits NF-κB activity in vitro in an Nrf2-independent manner. J Neuroimmunol 2015; 283:74-85. [PMID: 26004161 DOI: 10.1016/j.jneuroim.2015.04.006] [Citation(s) in RCA: 131] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Revised: 04/07/2015] [Accepted: 04/09/2015] [Indexed: 12/28/2022]
Abstract
Fumarate-containing pharmaceuticals are potent therapeutic agents that influence multiple cellular pathways. Despite proven clinical efficacy, there is a significant lack of data that directly defines the molecular mechanisms of action of related, yet distinct fumarate compounds. We systematically compared the impact of dimethyl fumarate (DMF), monomethyl fumarate (MMF) and a mixture of monoethyl fumarate salts (Ca(++), Mg(++), Zn(++); MEF) on defined cellular responses. We demonstrate that DMF inhibited NF-κB-driven cytokine production and nuclear translocation of p65 and p52 in an Nrf2-independent manner. Equivalent doses of MMF and MEF did not affect NF-κB signaling. These results highlight a key difference in the biological impact of related, yet distinct fumarate compounds.
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Affiliation(s)
| | | | - John Anderson
- Biogen, Inc., 115 Broadway, Cambridge, MA 02142, USA
| | - Jianhua Chao
- Biogen, Inc., 115 Broadway, Cambridge, MA 02142, USA
| | | | - David J Huss
- Biogen, Inc., 115 Broadway, Cambridge, MA 02142, USA
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Abstract
Fumaric acid esters (FAE) are small molecules with immunomodulating, anti-inflammatory, and anti-oxidative effects. FAE were introduced as a systemic psoriasis treatment in 1959 and empirically developed further between 1970 and 1990 in Germany, Switzerland, and the Netherlands. The development of FAE as psoriasis treatment did not follow the traditional drug development phases. Nonetheless, in 1994 FAE were approved in Germany for the treatment of severe plaque psoriasis. FAE are currently one of the most commonly used treatments in Germany, and FAE are increasingly being used as an unlicensed treatment in several other European countries. To date, six randomized controlled trials and 29 observational studies have evaluated FAE in a combined total of 3,439 patients. The efficacy and safety profile of FAE is favorable. About 50%-70% of patients achieve at least 75% improvement in psoriasis severity after 16 weeks of treatment. Common adverse events of FAE include gastrointestinal complaints and flushing symptoms, which lead to treatment discontinuation in up to 40% of patients. Lymphocytopenia, eosinophilia, and proteinuria are commonly observed during FAE treatment, but rarely require treatment discontinuation. The long-term safety profile of continuous FAE treatment is favorable without an increased risk for infections, malignancies, or other serious adverse events. There are no known drug-interactions for FAE. The 2009 European evidence-based S3-guidelines on psoriasis treatment recommend FAE and suggest it as a first-line systemic treatment for moderate-to-severe plaque psoriasis. This review is aimed to give an overview of FAE treatment in the management of psoriasis.
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Affiliation(s)
- Deepak MW Balak
- Department of Dermatology, Erasmus Medical Center, Rotterdam, the Netherlands
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Helwa I, Patel R, Karempelis P, Kaddour-Djebbar I, Choudhary V, Bollag WB. The antipsoriatic agent monomethylfumarate has antiproliferative, prodifferentiative, and anti-inflammatory effects on keratinocytes. J Pharmacol Exp Ther 2014; 352:90-7. [PMID: 25332455 DOI: 10.1124/jpet.114.218818] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Monomethylfumarate (MMF) is thought to be the bioactive ingredient of the drug Fumaderm (Biogen Idec, Cambridge, MA), licensed in Germany since 1994 for the treatment of moderate-to-severe psoriasis. Psoriasis is a common inflammatory hyperproliferative skin disorder that involves cross-talk between different cell types, including immune cells and keratinocytes. Psoriatic lesions are characterized by hyperproliferation, aberrant differentiation, and inflammation, with the psoriatic cytokine network maintained by communication between immune cells and keratinocytes. Recently, there is increasing evidence regarding the pivotal role of keratinocytes in mediating the disease process, and these cells can be regarded as safe therapeutic targets. From the data available on human subjects treated with Fumaderm, MMF is an effective antipsoriatic agent with known effects on immune cells. However, little is known about its direct effects on keratinocytes. We hypothesized that MMF has direct antiproliferative, prodifferentiative, and anti-inflammatory effects on keratinocytes. Indeed, MMF dose-dependently inhibited [(3)H]thymidine incorporation into DNA, indicating a direct antiproliferative action on keratinocytes. MMF significantly increased the protein level of keratin 10, the early keratinocyte differentiation marker, and the activity of transglutaminase, a late differentiation marker. These results are consistent with an ability of MMF to promote keratinocyte differentiation and inhibit proliferation, thereby improving psoriatic lesions. In 12-O-tetradecanoylphorbol-13-acetate (TPA)-induced keratinocytes, MMF significantly inhibited the expression of the proinflammatory cytokines, tumor necrosis factor-α (TNFα), interleukin-6, and interleukin-1α as well as the production of TNFα. Our results support the notion that MMF has direct antiproliferative, prodifferentiative, and anti-inflammatory effects on keratinocytes, highlighting its potential use as a multifactorial antipsoriatic agent.
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Affiliation(s)
- Inas Helwa
- Charlie Norwood Veterans Affairs Medical Center, Augusta, Georgia (I.H., I.K.-D., V.C., W.B.B.); Department of Oral Biology, College of Dental Medicine, (I.H., W.B.B.), and Departments of Physiology (I.H., R.P., P.K., I.K.-D., V.C., W.B.B.) and Medicine (Dermatology) (V.C., W.B.B.), Medical College of Georgia at Georgia Regents University, Augusta, Georgia
| | - Ravi Patel
- Charlie Norwood Veterans Affairs Medical Center, Augusta, Georgia (I.H., I.K.-D., V.C., W.B.B.); Department of Oral Biology, College of Dental Medicine, (I.H., W.B.B.), and Departments of Physiology (I.H., R.P., P.K., I.K.-D., V.C., W.B.B.) and Medicine (Dermatology) (V.C., W.B.B.), Medical College of Georgia at Georgia Regents University, Augusta, Georgia
| | - Peter Karempelis
- Charlie Norwood Veterans Affairs Medical Center, Augusta, Georgia (I.H., I.K.-D., V.C., W.B.B.); Department of Oral Biology, College of Dental Medicine, (I.H., W.B.B.), and Departments of Physiology (I.H., R.P., P.K., I.K.-D., V.C., W.B.B.) and Medicine (Dermatology) (V.C., W.B.B.), Medical College of Georgia at Georgia Regents University, Augusta, Georgia
| | - Ismail Kaddour-Djebbar
- Charlie Norwood Veterans Affairs Medical Center, Augusta, Georgia (I.H., I.K.-D., V.C., W.B.B.); Department of Oral Biology, College of Dental Medicine, (I.H., W.B.B.), and Departments of Physiology (I.H., R.P., P.K., I.K.-D., V.C., W.B.B.) and Medicine (Dermatology) (V.C., W.B.B.), Medical College of Georgia at Georgia Regents University, Augusta, Georgia
| | - Vivek Choudhary
- Charlie Norwood Veterans Affairs Medical Center, Augusta, Georgia (I.H., I.K.-D., V.C., W.B.B.); Department of Oral Biology, College of Dental Medicine, (I.H., W.B.B.), and Departments of Physiology (I.H., R.P., P.K., I.K.-D., V.C., W.B.B.) and Medicine (Dermatology) (V.C., W.B.B.), Medical College of Georgia at Georgia Regents University, Augusta, Georgia
| | - Wendy B Bollag
- Charlie Norwood Veterans Affairs Medical Center, Augusta, Georgia (I.H., I.K.-D., V.C., W.B.B.); Department of Oral Biology, College of Dental Medicine, (I.H., W.B.B.), and Departments of Physiology (I.H., R.P., P.K., I.K.-D., V.C., W.B.B.) and Medicine (Dermatology) (V.C., W.B.B.), Medical College of Georgia at Georgia Regents University, Augusta, Georgia
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Förster A, Preussner LM, Seeger JM, Rabenhorst A, Kashkar H, Mrowietz U, Hartmann K. Dimethylfumarate induces apoptosis in human mast cells. Exp Dermatol 2014; 22:719-24. [PMID: 24112621 DOI: 10.1111/exd.12247] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/17/2013] [Indexed: 12/30/2022]
Abstract
Mast cells modulate autoimmune diseases such as psoriasis and multiple sclerosis. Fumaric acid esters (FAEs) are widely used for the treatment of psoriasis, and dimethylfumarate (DMF) has recently been approved for multiple sclerosis. In this study, we analysed the cytotoxic effect of FAEs on human mast cells. Specifically, cell death was analysed in the human mast cell line HMC-1 and in primary cord blood-derived mast cells (CBMCs) after incubation with fumaric acid (FA), monomethylfumarate (MMF), DMF and calcium bis(monomethylfumarate) (Ca-MF). Our data show that only DMF potently induces apoptotic cell death in HMC-1 cells and CBMCs. DMF-mediated apoptosis was associated with increased expression of Bax and Bak and activation of caspase-9 and caspase-6. Interestingly, DMF also enhanced the sensitivity of CBMCs towards TRAIL- and dexamethasone-induced apoptosis. These findings demonstrate for the first time that DMF induces apoptosis of human mast cells, primarily via the mitochondrial apoptotic pathway. Our study contributes to the understanding of the beneficial effects of FAEs in autoimmune diseases and provides a rationale for exploiting FAEs for other diseases associated with mast cells.
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Affiliation(s)
- Anja Förster
- Department of Dermatology, University of Cologne, Cologne, Germany
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Abstract
As a case study of patent coverage for a repurposed drug, Biogen Idec’s approach for Tecfidera®, an oral formulation of dimethyl fumarate, was analyzed. While mixtures of fumarates have been used for over 50 years to treat psoriasis, Tecifidera is approved for the treatment of relapsing-remitting multiple sclerosis. Biogen pursued claims to pharmaceutical formulations and useful doses for treating multiple sclerosis, an approach that is relevant to pharmaceutical lifecycle management in general. A survey of recent US, EP, and PCT patent applications indicate other companies are developing competing fumarate formulations. While it is possible to pursue secondary patents for compounds without composition of matter coverage, regulatory data exclusivity provides additional protection to delay competitors.
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Brück W, Gold R, Lund BT, Oreja-Guevara C, Prat A, Spencer CM, Steinman L, Tintoré M, Vollmer TL, Weber MS, Weiner LP, Ziemssen T, Zamvil SS. Therapeutic decisions in multiple sclerosis: moving beyond efficacy. JAMA Neurol 2013; 70:1315-24. [PMID: 23921521 PMCID: PMC4106803 DOI: 10.1001/jamaneurol.2013.3510] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Several innovative disease-modifying treatments (DMTs) for relapsing-remitting multiple sclerosis have been licensed recently or are in late-stage development. The molecular targets of several of these DMTs are well defined. All affect at least 1 of 4 properties, namely (1) trafficking, (2) survival, (3) function, or (4) proliferation. In contrast to β-interferons and glatiramer acetate, the first-generation DMTs, several newer therapies are imbued with safety issues, which may be attributed to their structure or metabolism. In addition to efficacy, understanding the relationship between the mechanism of action of the DMTs and their safety profile is pertinent for decision making and patient care. In this article, we focus primarily on the safety of DMTs in the context of understanding their pharmacological characteristics, including molecular targets, mechanism of action, chemical structure, and metabolism. While understanding mechanisms underlying DMT toxicities is incomplete, it is important to further develop this knowledge to minimize risk to patients and to ensure future therapies have the most advantageous benefit-risk profiles. Recognizing the individual classes of DMTs described here may be valuable when considering use of such agents sequentially or possibly in combination.
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Abstract
INTRODUCTION Dimethyl fumarate (DMF) has been used as fungicide, but oral DMF activates anti-inflammatory and anti-oxidative pathways that are beneficial in the treatment of psoriasis. BG-12, a specific formulation of DMF, has been approved very recently for the treatment of relapsing-remitting multiple sclerosis (RRMS), which is characterized by both autoimmune lymphocytes leading to inflammation and mitochondrial alterations associated with oxidative stress. AREAS COVERED This review describes the pharmacokinetics and the mode of action of DMF, with a focus on molecular and cellular pathways, and discusses clinical results of DMF in RRMS treatment. To identify relevant publications, the author searched the PubMed database by using appropriate keywords and by searching for references cited within the obtained articles. EXPERT OPINION DMF demonstrated efficacy in several RRMS outcome measures related to disease activity and severity, but results on disability progression have been inconsistent. The overall safety profile might qualify DMF for long-term use, the frequency of side effects such as gastrointestinal complaints and flushing might hamper treatment adherence of MS patients. Since DMF covalently binds to intracellular proteins, the fate of this molecule in the body might need thorough long-term observation during clinical use.
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Affiliation(s)
- Frieder Kees
- University of Regensburg, Faculty of Chemistry and Pharmacy, Department of Pharmacology and Toxicology, Universitätsstraße 31, 93053 Regensburg, Germany.
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Anti-inflammatory dimethylfumarate: a potential new therapy for asthma? Mediators Inflamm 2013; 2013:875403. [PMID: 23606796 PMCID: PMC3625606 DOI: 10.1155/2013/875403] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2012] [Revised: 02/07/2013] [Accepted: 02/07/2013] [Indexed: 01/21/2023] Open
Abstract
Asthma is a chronic inflammatory disease of the airways, which results from the deregulated interaction of inflammatory cells and tissue forming cells. Beside the derangement of the epithelial cell layer, the most prominent tissue pathology of the asthmatic lung is the hypertrophy and hyperplasia of the airway smooth muscle cell (ASMC) bundles, which actively contributes to airway inflammation and remodeling. ASMCs of asthma patients secrete proinflammatory chemokines CXCL10, CCL11, and RANTES which attract immune cells into the airways and may thereby initiate inflammation. None of the available asthma drugs cures the disease—only symptoms are controlled. Dimethylfumarate (DMF) is used as an anti-inflammatory drug in psoriasis and showed promising results in phase III clinical studies in multiple sclerosis patients. In regard to asthma therapy, DMF has been anecdotally reported to reduce asthma symptoms in patients with psoriasis and asthma. Here we discuss the potential use of DMF as a novel therapy in asthma on the basis of in vitro studies of its inhibitory effect on ASMC proliferation and cytokine secretion in ASMCs.
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Detection of fumarate-glutathione adducts in the portal vein blood of rats: evidence for rapid dimethylfumarate metabolism. Arch Dermatol Res 2013; 305:447-51. [PMID: 23525570 DOI: 10.1007/s00403-013-1332-y] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2012] [Revised: 02/09/2013] [Accepted: 02/14/2013] [Indexed: 10/27/2022]
Abstract
Dimethylfumarate (DMF), the essential ingredient of the drug product Fumaderm®, is used to treat psoriasis with a recognized favorable long-term safety profile. Interestingly, the mode of action and the pharmacokinetics of DMF in psoriasis or multiple sclerosis are not fully explored. It is known that DMF as an α,β-unsaturated carboxylic acid ester forms an adduct with the antioxidant glutathione in vitro via a Michael-type addition within a very short period of time. In addition, it was shown that this reaction also takes place in vivo since the mercapturic acid of DMF was detected in urine of psoriasis patients after oral intake of Fumaderm®. To verify the hypothesis that DMF reacts with GSH already in or even before entering the portal vein blood an in vivo study in rats was initiated and portal vein blood was analyzed for the presence of DMF, MMF, GS-DMS and break down products, after DMF was given directly into the small intestine. The results show that no free DMF could be detected in the rat portal vein blood at any time point. MMF was the dominant metabolite and GS-DMS was also detectable in portal vein blood. In the rat mucosa the glutathione adducts of DMF and MMF were present. The data obtained provide evidence that the modulation of immune-mediated inflammatory pathways responsible for development of psoriasis and MS are targeted by DMF regulating redox-sensitive pathways for which the reaction with glutathione by DMF plays a crucial role.
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Gambichler T, Kreuter A, Susok L, Skrygan M, Rotterdam S, Höxtermann S, Müller M, Tigges C, Altmeyer P, Lahner N. Glutathione-S-transferase T1 genotyping and phenotyping in psoriasis patients receiving treatment with oral fumaric acid esters. J Eur Acad Dermatol Venereol 2013; 28:574-80. [DOI: 10.1111/jdv.12137] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2012] [Accepted: 02/15/2013] [Indexed: 01/13/2023]
Affiliation(s)
- T. Gambichler
- Department of Dermatology; Ruhr-University Bochum; Bochum Germany
| | - A. Kreuter
- Department of Dermatology; Ruhr-University Bochum; Bochum Germany
| | - L. Susok
- Department of Dermatology; Ruhr-University Bochum; Bochum Germany
| | - M. Skrygan
- Department of Dermatology; Ruhr-University Bochum; Bochum Germany
| | - S. Rotterdam
- Department of Dermatology; Ruhr-University Bochum; Bochum Germany
| | - S. Höxtermann
- Department of Dermatology; Ruhr-University Bochum; Bochum Germany
| | - M. Müller
- Department of Occupational; Social and Environmental Medicine; University Medical Center, Göttingen; Germany
| | - C. Tigges
- Department of Dermatology; Ruhr-University Bochum; Bochum Germany
| | - P. Altmeyer
- Department of Dermatology; Ruhr-University Bochum; Bochum Germany
| | - N. Lahner
- Department of Dermatology; Ruhr-University Bochum; Bochum Germany
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Abstract
Fumaric acid esters (FAE) are substances of interest in dermatology. FAE exert various activities on cutaneous cells and cytokine networks. So far only a mixture of dimethylfumarate (DMF) and three salts of monoethylfumarate (MEF) have gained approval for the oral treatment of moderate-to-severe plaque-type psoriasis in Germany. DMF seems to be the major active component. There is evidence that FAE are not only effective and safe in psoriasis but granulomatous non-infectious diseases like granuloma annulare, necrobiosis lipoidica and sarcoidosis. In vitro and animal studies suggest some activity in malignant melanoma as well.
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Affiliation(s)
- Uwe Wollina
- Department of Dermatology and Allergology, Hospital Dresden Friedrichstadt, Academic Teaching Hospital of the Technical University of Dresden, Dresden, Germany
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