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Saba J, Couselo FL, Bruno J, Carniglia L, Durand D, Lasaga M, Caruso C. Neuroinflammation in Huntington's Disease: A Starring Role for Astrocyte and Microglia. Curr Neuropharmacol 2022; 20:1116-1143. [PMID: 34852742 PMCID: PMC9886821 DOI: 10.2174/1570159x19666211201094608] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/06/2021] [Accepted: 11/26/2021] [Indexed: 11/22/2022] Open
Abstract
Huntington's disease (HD) is a neurodegenerative genetic disorder caused by a CAG repeat expansion in the huntingtin gene. HD causes motor, cognitive, and behavioral dysfunction. Since no existing treatment affects the course of this disease, new treatments are needed. Inflammation is frequently observed in HD patients before symptom onset. Neuroinflammation, characterized by the presence of reactive microglia, astrocytes and inflammatory factors within the brain, is also detected early. However, in comparison to other neurodegenerative diseases, the role of neuroinflammation in HD is much less known. Work has been dedicated to altered microglial and astrocytic functions in the context of HD, but less attention has been given to glial participation in neuroinflammation. This review describes evidence of inflammation in HD patients and animal models. It also discusses recent knowledge on neuroinflammation in HD, highlighting astrocyte and microglia involvement in the disease and considering anti-inflammatory therapeutic approaches.
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Affiliation(s)
- Julieta Saba
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Federico López Couselo
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Julieta Bruno
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Lila Carniglia
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Daniela Durand
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Mercedes Lasaga
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Carla Caruso
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina,Address correspondence to this author at the Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155 Piso 10, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina, Tel: +54 11 5285 3380; E-mail:
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Devadiga SJ, Bharate SS. Recent developments in the management of Huntington's disease. Bioorg Chem 2022; 120:105642. [PMID: 35121553 DOI: 10.1016/j.bioorg.2022.105642] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 01/19/2022] [Accepted: 01/22/2022] [Indexed: 12/21/2022]
Abstract
Huntington's disease (HD) is a rare, incurable, inheritedneurodegenerative disorder manifested by chorea, hyperkinetic, and hypokinetic movements. The FDA has approved only two drugs, viz. tetrabenazine, and deutetrabenazine, to manage the chorea associated with HD. However, several other drugs are used as an off-label to manage chorea and other symptoms such as depression, anxiety, muscle tremors, and cognitive dysfunction associated with HD. So far, there is no disease-modifying treatment available. Drug repurposing has been a primary drive to search for new anti-HD drugs. Numerous molecular targets along with a wide range of small molecules and gene therapies are currently under clinical investigation. More than 200 clinical studies are underway for HD, 75% are interventional, and 25% are observational studies. The present review discusses the small molecule clinical pipeline and molecular targets for HD. Furthermore, the biomarkers, diagnostic tests, gene therapies, behavioral and observational studies for HD were also deliberated.
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Affiliation(s)
- Shanaika J Devadiga
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai 400056, India
| | - Sonali S Bharate
- Shobhaben Pratapbhai Patel School of Pharmacy & Technology Management, SVKM's NMIMS, V.L. Mehta Road, Vile Parle (W), Mumbai 400056, India.
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Pogoda A, Chmielewska N, Maciejak P, Szyndler J. Transcriptional Dysregulation in Huntington's Disease: The Role in Pathogenesis and Potency for Pharmacological Targeting. Curr Med Chem 2021; 28:2783-2806. [PMID: 32628586 DOI: 10.2174/0929867327666200705225821] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 05/15/2020] [Accepted: 06/19/2020] [Indexed: 11/22/2022]
Abstract
Huntington's disease (HD) is an inherited neurodegenerative disorder caused by a mutation in the gene that encodes a critical cell regulatory protein, huntingtin (Htt). The expansion of cytosine-adenine-guanine (CAG) trinucleotide repeats causes improper folding of functional proteins and is an initial trigger of pathological changes in the brain. Recent research has indicated that the functional dysregulation of many transcription factors underlies the neurodegenerative processes that accompany HD. These disturbances are caused not only by the loss of wild-type Htt (WT Htt) function but also by the occurrence of abnormalities that result from the action of mutant Htt (mHtt). In this review, we aim to describe the role of transcription factors that are currently thought to be strongly associated with HD pathogenesis, namely, RE1-silencing transcription factor, also known as neuron-restrictive silencer factor (REST/NRSF), forkhead box proteins (FOXPs), peroxisome proliferator-activated receptor gamma coactivator-1a (PGC1α), heat shock transcription factor 1 (HSF1), and nuclear factor κ light-chain-enhancer of activated B cells (NF- κB). We also take into account the role of these factors in the phenotype of HD as well as potential pharmacological interventions targeting the analyzed proteins. Furthermore, we considered whether molecular manipulation resulting in changes in transcription factor function may have clinical potency for treating HD.
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Affiliation(s)
- Aleksandra Pogoda
- Faculty of Medicine, Medical University of Warsaw, Zwirki i Wigury Street 61, 02-097 Warsaw, Poland
| | - Natalia Chmielewska
- Department of Neurochemistry, Institute of Psychiatry and Neurology, Sobieskiego Street 9, 02-957 Warsaw, Poland
| | - Piotr Maciejak
- Department of Neurochemistry, Institute of Psychiatry and Neurology, Sobieskiego Street 9, 02-957 Warsaw, Poland
| | - Janusz Szyndler
- Department of Experimental and Clinical Pharmacology, Centre for Preclinical Research and Technology CePT, Medical University of Warsaw, Banacha Street 1B, 02-097 Warsaw, Poland
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O'Regan GC, Farag SH, Casey CS, Wood-Kaczmar A, Pocock JM, Tabrizi SJ, Andre R. Human Huntington's disease pluripotent stem cell-derived microglia develop normally but are abnormally hyper-reactive and release elevated levels of reactive oxygen species. J Neuroinflammation 2021; 18:94. [PMID: 33874957 PMCID: PMC8054367 DOI: 10.1186/s12974-021-02147-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 04/01/2021] [Indexed: 01/13/2023] Open
Abstract
Background Neuroinflammation may contribute to the pathogenesis of Huntington’s disease, given evidence of activated microglia and elevated levels of inflammatory molecules in disease gene carriers, even those many years from symptom onset. We have shown previously that monocytes from Huntington’s disease patients are hyper-reactive to stimulation in a manner dependent on their autonomous expression of the disease-causing mutant HTT protein. To date, however, whether human microglia are similarly hyper-responsive in a cell-autonomous manner has not been determined. Methods Microglial-like cells were derived from human pluripotent stem cells (PSCs) expressing mutant HTT containing varying polyglutamine lengths. These included lines that are otherwise isogenic, such that any observed differences can be attributed with certainty to the disease mutation itself. Analyses by quantitative PCR and immunofluorescence microscopy respectively of key genes and protein markers were undertaken to determine whether Huntington’s disease PSCs differentiated normally to a microglial fate. The resultant cultures and their supernatants were then assessed by various biochemical assays and multiplex ELISAs for viability and responses to stimulation, including the release of pro-inflammatory cytokines and reactive oxygen species. Conditioned media were applied to PSC-derived striatal neurons, and vice versa, to determine the effects that the secretomes of each cell type might have on the other. Results Human PSCs generated microglia successfully irrespective of the expression of mutant HTT. These cells, however, were hyper-reactive to stimulation in the production of pro-inflammatory cytokines such as IL-6 and TNFα. They also released elevated levels of reactive oxygen species that have neurotoxic potential. Accompanying such phenotypes, human Huntington’s disease PSC-derived microglia showed increased levels of apoptosis and were more susceptible to exogenous stress. Such stress appeared to be induced by supernatants from human PSC-derived striatal neurons expressing mutant HTT with a long polyglutamine tract. Conclusions These studies show, for the first time, that human Huntington’s disease PSC-derived microglia are hyper-reactive due to their autonomous expression of mutant HTT. This provides a cellular basis for the contribution that neuroinflammation might make to Huntington’s disease pathogenesis. Supplementary Information The online version contains supplementary material available at 10.1186/s12974-021-02147-6.
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Affiliation(s)
- Grace C O'Regan
- Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, WC1N 3BG, London, UK
| | - Sahar H Farag
- Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, WC1N 3BG, London, UK
| | - Caroline S Casey
- Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, WC1N 3BG, London, UK
| | - Alison Wood-Kaczmar
- Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, WC1N 3BG, London, UK
| | - Jennifer M Pocock
- Department of Neuroinflammation, UCL Queen Square Institute of Neurology, University College London, WC1N 1PJ, London, UK
| | - Sarah J Tabrizi
- Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, WC1N 3BG, London, UK.
| | - Ralph Andre
- Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, WC1N 3BG, London, UK.
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Przybyl L, Wozna-Wysocka M, Kozlowska E, Fiszer A. What, When and How to Measure-Peripheral Biomarkers in Therapy of Huntington's Disease. Int J Mol Sci 2021; 22:ijms22041561. [PMID: 33557131 PMCID: PMC7913877 DOI: 10.3390/ijms22041561] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/29/2021] [Accepted: 01/29/2021] [Indexed: 12/11/2022] Open
Abstract
Among the main challenges in further advancing therapeutic strategies for Huntington’s disease (HD) is the development of biomarkers which must be applied to assess the efficiency of the treatment. HD is a dreadful neurodegenerative disorder which has its source of pathogenesis in the central nervous system (CNS) but is reflected by symptoms in the periphery. Visible symptoms include motor deficits and slight changes in peripheral tissues, which can be used as hallmarks for prognosis of the course of HD, e.g., the onset of the disease symptoms. Knowing how the pathology develops in the context of whole organisms is crucial for the development of therapy which would be the most beneficial for patients, as well as for proposing appropriate biomarkers to monitor disease progression and/or efficiency of treatment. We focus here on molecular peripheral biomarkers which could be used as a measurable outcome of potential therapy. We present and discuss a list of wet biomarkers which have been proposed in recent years to measure pre- and postsymptomatic HD. Interestingly, investigation of peripheral biomarkers in HD can unravel new aspects of the disease pathogenesis. This especially refers to inflammatory proteins or specific immune cells which attract scientific attention in neurodegenerative disorders.
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Affiliation(s)
- Lukasz Przybyl
- Laboratory of Mammalian Model Organisms, Institute of Bioorganic Chemistry Polish Academy of Sciences, 61-704 Poznan, Poland
- Correspondence: (L.P.); (A.F.)
| | - Magdalena Wozna-Wysocka
- Department of Medical Biotechnology, Institute of Bioorganic Chemistry Polish Academy of Sciences, 61-704 Poznan, Poland; (M.W.-W.); (E.K.)
| | - Emilia Kozlowska
- Department of Medical Biotechnology, Institute of Bioorganic Chemistry Polish Academy of Sciences, 61-704 Poznan, Poland; (M.W.-W.); (E.K.)
| | - Agnieszka Fiszer
- Department of Medical Biotechnology, Institute of Bioorganic Chemistry Polish Academy of Sciences, 61-704 Poznan, Poland; (M.W.-W.); (E.K.)
- Correspondence: (L.P.); (A.F.)
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Li Z, Chen J, Lei L, Jiang N, Zhu Y, Jia Y, Zhuo Y, Su W. Laquinimod Inhibits Inflammation-Induced Angiogenesis in the Cornea. Front Med (Lausanne) 2020; 7:598056. [PMID: 33244468 PMCID: PMC7683777 DOI: 10.3389/fmed.2020.598056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 10/13/2020] [Indexed: 12/02/2022] Open
Abstract
Background: Inflammation-induced angiogenesis plays a critical role in many eye diseases, and abnormal angiogenesis inhibition is regarded as a therapeutic approach. Here, we examined the effects of laquinimod on inflammatory corneal angiogenesis. Methods: Mouse model of corneal neovascularization was induced by NaOH. Laquinimod or control vehicle were topically applied to alkali-treated eyes twice a day for 10 days. Corneal neovascularization, infiltrating inflammatory cells, and the levels of chemokines, pro-inflammatory cytokines were assessed. RAW cells and human umbilical vein endothelial cells were used in vitro to further explore the underlying mechanisms of the effects of laquinimod on inflammation-induced angiogenesis. Results: Topical administration of laquinimod to the injured corneas dramatically inhibited alkali-induced corneal neovascularization and decreased inflammatory cell (such as macrophage) infiltration in a corneal injury mouse model. Laquinimod significantly downregulated the expression of chemokines (monocyte chemotactic protein-1 and macrophage inflammatory protein-1), pro-inflammatory cytokines (interleukin-1β and tumor necrosis factor-alpha), vascular endothelial growth factor, nucleotide-binding oligomerization domain-like receptor family pyrin domain-containing 3 and apoptosis-associated speck-like protein containing C-terminal caspase-recruitment domain adaptor protein in both injured corneas and RAW cells. In vitro, laquinimod also dramatically inhibited the proliferation, migration and tube formation of human umbilical vein endothelial cells. Conclusion: Laquinimod inhibits inflammation-induced angiogenesis in the cornea. These results suggest that laquinimod is a potential new therapeutic option for corneal neovascularization and other angiogenesis-associated diseases.
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Affiliation(s)
- Zuohong Li
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Jianping Chen
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Lei Lei
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Nan Jiang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China.,Department of Pediatric Ophthalmology, Guangzhou Children's Hospital and Guangzhou Women and Children's Medical Center, Guangzhou Medical University, Guangzhou, China
| | - Yanling Zhu
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Yu Jia
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Yehong Zhuo
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
| | - Wenru Su
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, China
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Engel S, Jolivel V, Kraus SHP, Zayoud M, Rosenfeld K, Tumani H, Furlan R, Kurschus FC, Waisman A, Luessi F. Laquinimod dampens IL-1β signaling and Th17-polarizing capacity of monocytes in patients with MS. NEUROLOGY-NEUROIMMUNOLOGY & NEUROINFLAMMATION 2020; 8:8/1/e908. [PMID: 33203651 PMCID: PMC7676421 DOI: 10.1212/nxi.0000000000000908] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 09/23/2020] [Indexed: 01/16/2023]
Abstract
OBJECTIVE To assess the impact of laquinimod treatment on monocytes and to investigate the underlying immunomodulatory mechanisms in MS. METHODS In this cross-sectional study, we performed in vivo and in vitro analyses of cluster of differentiation (CD14+) monocytes isolated from healthy donors (n = 15), untreated (n = 13), and laquinimod-treated patients with MS (n = 14). Their frequency and the expression of surface activation markers were assessed by flow cytometry and the viability by calcein staining. Cytokine concentrations in the supernatants of lipopolysaccharide (LPS)-stimulated monocytes were determined by flow cytometry. The messenger ribonucleic acid (mRNA) expression level of genes involved in cytokine expression was measured by quantitative PCR. The LPS-mediated nuclear factor kappa-light-chain-enhancer of activated B-cell (NF-κB) activation was determined by the quantification of the phosphorylation level of the p65 subunit. Laquinimod-treated monocytes were cocultured with CD4+ T cells, and the resulting cytokine production was analyzed by flow cytometry after intracellular cytokine staining. The interleukin (IL)-17A concentration of the supernatant was assessed by ELISA. RESULTS Laquinimod did not alter the frequency or viability of circulating monocytes, but led to an upregulation of CD86 expression. LPS-stimulated monocytes of laquinimod-treated patients with MS secreted less IL-1β following a downregulation of IL-1β gene expression. Phosphorylation levels of the NF-κB p65 subunit were reduced after laquinimod treatment, indicating a laquinimod-associated inhibition of the NF-κB pathway. T cells primed with laquinimod-treated monocytes differentiated significantly less into IL-17A-producing T helper (Th)-17 cells. CONCLUSIONS Our findings suggest that inhibited NF-κB signaling and downregulation of IL-1β expression in monocytes contributes to the immunomodulatory effects of laquinimod and that the impairment of Th17 polarization might mediate its disease-modifying activity in MS.
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Affiliation(s)
- Sinah Engel
- From the Department of Neurology (S.E., V.J., S.H.-P.K., K.R., F.L.), Focus Program Translational Neuroscience (FTN), University Medical Center of the Johannes Gutenberg University of Mainz, Germany; Biopathology of Myelin (V.J.), Neuroprotection and Therapeutic Strategy, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), University of Strasbourg, France; Institute for Molecular Medicine (M.Z., F.C.K., A.W.), University Medical Centre of the Johannes Gutenberg University of Mainz, Germany; Sheba Cancer Research Center (M.Z.), Chaim Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (H.T.), University of Ulm, Germany and Specialty Clinic of Neurology Dietenbronn, Schwendi, Germany; Clinical Neuroimmunology Unit (R.F.), San Raffaele Scientific Institute, Milan, Italy; and Department of Dermatology (F.C.K.), Heidelberg University Hospital, Heidelberg, Germany
| | - Valérie Jolivel
- From the Department of Neurology (S.E., V.J., S.H.-P.K., K.R., F.L.), Focus Program Translational Neuroscience (FTN), University Medical Center of the Johannes Gutenberg University of Mainz, Germany; Biopathology of Myelin (V.J.), Neuroprotection and Therapeutic Strategy, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), University of Strasbourg, France; Institute for Molecular Medicine (M.Z., F.C.K., A.W.), University Medical Centre of the Johannes Gutenberg University of Mainz, Germany; Sheba Cancer Research Center (M.Z.), Chaim Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (H.T.), University of Ulm, Germany and Specialty Clinic of Neurology Dietenbronn, Schwendi, Germany; Clinical Neuroimmunology Unit (R.F.), San Raffaele Scientific Institute, Milan, Italy; and Department of Dermatology (F.C.K.), Heidelberg University Hospital, Heidelberg, Germany
| | - Stefan H-P Kraus
- From the Department of Neurology (S.E., V.J., S.H.-P.K., K.R., F.L.), Focus Program Translational Neuroscience (FTN), University Medical Center of the Johannes Gutenberg University of Mainz, Germany; Biopathology of Myelin (V.J.), Neuroprotection and Therapeutic Strategy, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), University of Strasbourg, France; Institute for Molecular Medicine (M.Z., F.C.K., A.W.), University Medical Centre of the Johannes Gutenberg University of Mainz, Germany; Sheba Cancer Research Center (M.Z.), Chaim Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (H.T.), University of Ulm, Germany and Specialty Clinic of Neurology Dietenbronn, Schwendi, Germany; Clinical Neuroimmunology Unit (R.F.), San Raffaele Scientific Institute, Milan, Italy; and Department of Dermatology (F.C.K.), Heidelberg University Hospital, Heidelberg, Germany
| | - Morad Zayoud
- From the Department of Neurology (S.E., V.J., S.H.-P.K., K.R., F.L.), Focus Program Translational Neuroscience (FTN), University Medical Center of the Johannes Gutenberg University of Mainz, Germany; Biopathology of Myelin (V.J.), Neuroprotection and Therapeutic Strategy, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), University of Strasbourg, France; Institute for Molecular Medicine (M.Z., F.C.K., A.W.), University Medical Centre of the Johannes Gutenberg University of Mainz, Germany; Sheba Cancer Research Center (M.Z.), Chaim Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (H.T.), University of Ulm, Germany and Specialty Clinic of Neurology Dietenbronn, Schwendi, Germany; Clinical Neuroimmunology Unit (R.F.), San Raffaele Scientific Institute, Milan, Italy; and Department of Dermatology (F.C.K.), Heidelberg University Hospital, Heidelberg, Germany
| | - Karolina Rosenfeld
- From the Department of Neurology (S.E., V.J., S.H.-P.K., K.R., F.L.), Focus Program Translational Neuroscience (FTN), University Medical Center of the Johannes Gutenberg University of Mainz, Germany; Biopathology of Myelin (V.J.), Neuroprotection and Therapeutic Strategy, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), University of Strasbourg, France; Institute for Molecular Medicine (M.Z., F.C.K., A.W.), University Medical Centre of the Johannes Gutenberg University of Mainz, Germany; Sheba Cancer Research Center (M.Z.), Chaim Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (H.T.), University of Ulm, Germany and Specialty Clinic of Neurology Dietenbronn, Schwendi, Germany; Clinical Neuroimmunology Unit (R.F.), San Raffaele Scientific Institute, Milan, Italy; and Department of Dermatology (F.C.K.), Heidelberg University Hospital, Heidelberg, Germany
| | - Hayrettin Tumani
- From the Department of Neurology (S.E., V.J., S.H.-P.K., K.R., F.L.), Focus Program Translational Neuroscience (FTN), University Medical Center of the Johannes Gutenberg University of Mainz, Germany; Biopathology of Myelin (V.J.), Neuroprotection and Therapeutic Strategy, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), University of Strasbourg, France; Institute for Molecular Medicine (M.Z., F.C.K., A.W.), University Medical Centre of the Johannes Gutenberg University of Mainz, Germany; Sheba Cancer Research Center (M.Z.), Chaim Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (H.T.), University of Ulm, Germany and Specialty Clinic of Neurology Dietenbronn, Schwendi, Germany; Clinical Neuroimmunology Unit (R.F.), San Raffaele Scientific Institute, Milan, Italy; and Department of Dermatology (F.C.K.), Heidelberg University Hospital, Heidelberg, Germany
| | - Roberto Furlan
- From the Department of Neurology (S.E., V.J., S.H.-P.K., K.R., F.L.), Focus Program Translational Neuroscience (FTN), University Medical Center of the Johannes Gutenberg University of Mainz, Germany; Biopathology of Myelin (V.J.), Neuroprotection and Therapeutic Strategy, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), University of Strasbourg, France; Institute for Molecular Medicine (M.Z., F.C.K., A.W.), University Medical Centre of the Johannes Gutenberg University of Mainz, Germany; Sheba Cancer Research Center (M.Z.), Chaim Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (H.T.), University of Ulm, Germany and Specialty Clinic of Neurology Dietenbronn, Schwendi, Germany; Clinical Neuroimmunology Unit (R.F.), San Raffaele Scientific Institute, Milan, Italy; and Department of Dermatology (F.C.K.), Heidelberg University Hospital, Heidelberg, Germany
| | - Florian C Kurschus
- From the Department of Neurology (S.E., V.J., S.H.-P.K., K.R., F.L.), Focus Program Translational Neuroscience (FTN), University Medical Center of the Johannes Gutenberg University of Mainz, Germany; Biopathology of Myelin (V.J.), Neuroprotection and Therapeutic Strategy, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), University of Strasbourg, France; Institute for Molecular Medicine (M.Z., F.C.K., A.W.), University Medical Centre of the Johannes Gutenberg University of Mainz, Germany; Sheba Cancer Research Center (M.Z.), Chaim Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (H.T.), University of Ulm, Germany and Specialty Clinic of Neurology Dietenbronn, Schwendi, Germany; Clinical Neuroimmunology Unit (R.F.), San Raffaele Scientific Institute, Milan, Italy; and Department of Dermatology (F.C.K.), Heidelberg University Hospital, Heidelberg, Germany
| | - Ari Waisman
- From the Department of Neurology (S.E., V.J., S.H.-P.K., K.R., F.L.), Focus Program Translational Neuroscience (FTN), University Medical Center of the Johannes Gutenberg University of Mainz, Germany; Biopathology of Myelin (V.J.), Neuroprotection and Therapeutic Strategy, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), University of Strasbourg, France; Institute for Molecular Medicine (M.Z., F.C.K., A.W.), University Medical Centre of the Johannes Gutenberg University of Mainz, Germany; Sheba Cancer Research Center (M.Z.), Chaim Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (H.T.), University of Ulm, Germany and Specialty Clinic of Neurology Dietenbronn, Schwendi, Germany; Clinical Neuroimmunology Unit (R.F.), San Raffaele Scientific Institute, Milan, Italy; and Department of Dermatology (F.C.K.), Heidelberg University Hospital, Heidelberg, Germany
| | - Felix Luessi
- From the Department of Neurology (S.E., V.J., S.H.-P.K., K.R., F.L.), Focus Program Translational Neuroscience (FTN), University Medical Center of the Johannes Gutenberg University of Mainz, Germany; Biopathology of Myelin (V.J.), Neuroprotection and Therapeutic Strategy, INSERM U1119, Fédération de Médecine Translationnelle de Strasbourg (FMTS), University of Strasbourg, France; Institute for Molecular Medicine (M.Z., F.C.K., A.W.), University Medical Centre of the Johannes Gutenberg University of Mainz, Germany; Sheba Cancer Research Center (M.Z.), Chaim Sheba Academic Medical Center, Ramat Gan, Israel; Department of Neurology (H.T.), University of Ulm, Germany and Specialty Clinic of Neurology Dietenbronn, Schwendi, Germany; Clinical Neuroimmunology Unit (R.F.), San Raffaele Scientific Institute, Milan, Italy; and Department of Dermatology (F.C.K.), Heidelberg University Hospital, Heidelberg, Germany.
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Bozzi M, Sciandra F. Molecular Mechanisms Underlying Muscle Wasting in Huntington's Disease. Int J Mol Sci 2020; 21:ijms21218314. [PMID: 33167595 PMCID: PMC7664236 DOI: 10.3390/ijms21218314] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 11/03/2020] [Accepted: 11/03/2020] [Indexed: 12/13/2022] Open
Abstract
Huntington’s disease (HD) is an autosomal dominant neurodegenerative disorder caused by pathogenic expansions of the triplet cytosine-adenosine-guanosine (CAG) within the Huntingtin gene. These expansions lead to a prolongation of the poly-glutamine stretch at the N-terminus of Huntingtin causing protein misfolding and aggregation. Huntingtin and its pathological variants are widely expressed, but the central nervous system is mainly affected, as proved by the wide spectrum of neurological symptoms, including behavioral anomalies, cognitive decline and motor disorders. Other hallmarks of HD are loss of body weight and muscle atrophy. This review highlights some key elements that likely provide a major contribution to muscle atrophy, namely, alteration of the transcriptional processes, mitochondrial dysfunction, which is strictly correlated to loss of energy homeostasis, inflammation, apoptosis and defects in the processes responsible for the protein quality control. The improvement of muscular symptoms has proven to slow the disease progression and extend the life span of animal models of HD, underlining the importance of a deep comprehension of the molecular mechanisms driving deterioration of muscular tissue.
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Affiliation(s)
- Manuela Bozzi
- Dipartimento Universitario di Scienze Biotecnologiche di Base, Cliniche Intensivologiche e Perioperatorie, Sezione di Biochimica e Biochimica Clinica, Università Cattolica del Sacro Cuore di Roma, Largo F. Vito 1, 00168 Roma, Italy
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta”– SCITEC Sede di Roma, Largo F. Vito 1, 00168 Roma, Italy;
- Correspondence:
| | - Francesca Sciandra
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta”– SCITEC Sede di Roma, Largo F. Vito 1, 00168 Roma, Italy;
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9
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O'Regan GC, Farag SH, Ostroff GR, Tabrizi SJ, Andre R. Wild-type huntingtin regulates human macrophage function. Sci Rep 2020; 10:17269. [PMID: 33057179 PMCID: PMC7560844 DOI: 10.1038/s41598-020-74042-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 09/17/2020] [Indexed: 01/07/2023] Open
Abstract
The huntingtin (HTT) protein in its mutant form is the cause of the inherited neurodegenerative disorder, Huntington's disease. Beyond its effects in the central nervous system, disease-associated mutant HTT causes aberrant phenotypes in myeloid-lineage innate immune system cells, namely monocytes and macrophages. Whether the wild-type form of the protein, however, has a role in normal human macrophage function has not been determined. Here, the effects of lowering the expression of wild-type (wt)HTT on the function of primary monocyte-derived macrophages from healthy, non-disease human subjects were examined. This demonstrated a previously undescribed role for wtHTT in maintaining normal macrophage health and function. Lowered wtHTT expression was associated, for instance, with a diminished release of induced cytokines, elevated phagocytosis and increased vulnerability to cellular stress. These may well occur by mechanisms different to that associated with the mutant form of the protein, given an absence of any effect on the intracellular signalling pathway predominantly associated with macrophage dysfunction in Huntington's disease.
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Affiliation(s)
- Grace C O'Regan
- UCL Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, WC1N 3BG, UK
| | - Sahar H Farag
- UCL Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, WC1N 3BG, UK
| | - Gary R Ostroff
- Program in Molecular Medicine, University of Massachusetts Medical School, 373 Plantation Street, Two Biotech, Suite 113, Worcester, MA, 01605, USA
| | - Sarah J Tabrizi
- UCL Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, WC1N 3BG, UK. .,UK Dementia Research Institute at UCL, UCL Queen Square Institute of Neurology, University College London, London, WC1N 3BG, UK.
| | - Ralph Andre
- UCL Huntington's Disease Centre, Department of Neurodegenerative Disease, UCL Queen Square Institute of Neurology, University College London, London, WC1N 3BG, UK.
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10
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Boros F, Vécsei L. Progress in the development of kynurenine and quinoline-3-carboxamide-derived drugs. Expert Opin Investig Drugs 2020; 29:1223-1247. [DOI: 10.1080/13543784.2020.1813716] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Fanni Boros
- Department of Neurology, Albert Szent-Györgyi Clinical Center, Faculty of Medicine, University of Szeged, Szeged, Hungary
| | - László Vécsei
- Department of Neurology, Albert Szent-Györgyi Clinical Center, Faculty of Medicine, University of Szeged, Szeged, Hungary
- MTA-SZTE Neuroscience Research Group of the Hungarian Academy of Sciences and the University of Szeged, Szeged, Hungary
- Interdisciplinary Excellence Centre, University of Szeged, Szeged, Hungary
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11
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Zhang X, Jin J, Xie A. Laquinimod inhibits MMP+ induced NLRP3 inflammasome activation in human neuronal cells. Immunopharmacol Immunotoxicol 2020; 42:264-271. [PMID: 32249647 DOI: 10.1080/08923973.2020.1746967] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Objective: Nod-like receptor protein 3 (NLRP3) inflammasome plays anessentialrole in neuroinflammation in the Parkinson's disease (PD) progression. Laquinimodis an immunomodulator that is clinically used for the treatment of multiple sclerosis. This study aims to investigate whether laquinimod possessesa protective effect against MPP+-induced NLRP3 activation.Materials and methods: In a variety of tests on human SH-SY5Y neuronal cells, 1-methyl-4-phenyl Pyridine (MPP+) was used to mimic the microenvironment of PD. Activation of NLRP3 inflammasome was measured by western blot analysis and enzyme linked immunosorbent assay (ELISA).Results: Laquinimod had a significant protective impact against MPP+-induced neurotoxicity. Our results demonstrate that laquinimod prevented MPP+-induced reduction of cell proliferation, the release of lactate dehydrogenase (LDH), and apoptosis. Importantly, treatment with laquinimod significantly inhibited the activation of the NLRP3 inflammasome by reducing the levels of its components, including NLRP3, apoptosis-associated speck-like protein containing a CARD (ASC), and cleaved caspase 1 (P10). Consistently, laquinimod prevented MPP+-induced secretions of interleukin 1β (IL-1β) and interleukin-18 (IL-18). Additionally, laquinimod also reduced the expression of other related factors, such as intracellular reactive oxygen species (ROS), NADPH oxidase 4 (NOX-4), thioredoxin-interacting protein (TxNIP). Furthermore, laquinimod prevented the reduction of sirtuin 1 (SIRT1) from MPP+ stimulation. Inhibition of SIRT1 abolished the protective effects of laquinimod against the activation of the NLRP3 inflammasome, suggesting the involvement of SIRT1 in this process.Conclusion: These findings suggest that laquinimod treatment might be a possible therapeutic strategy for neuroinflammation in PD.
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Affiliation(s)
- Xue Zhang
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jianing Jin
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Anmu Xie
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao, China
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12
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Xie P, Dan F, Yu G, Ruan W, Yu H. Laquinimod Mitigated IL-1β-Induced Impairment of the Cartilage Extracellular Matrix in Human ATDC5 Chondrocytes. Chem Res Toxicol 2020; 33:933-939. [PMID: 32191437 DOI: 10.1021/acs.chemrestox.9b00482] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
To date, a safe and reliable treatment of osteoarthritis (OA) has not yet been announced. Inflammatory response and degradation of the articular extracellular matrix (ECM) induced by IL-1β are important pathological characteristics of OA. Laquinimod is a quinoline-3-carboxamide and a novel oral immunomodulatory compound in clinical use. However, whether laquinimod has a beneficial effect in OA is not known. In our research, we found that laquinimod could ameliorate IL-1β-induced generation of ROS and improve mitochondrial function by increasing mitochondrial membrane potential (ΔΨm). Furthermore, treatment with laquinimod suppressed IL-1β-induced production of TNF-α and IL-6. Notably, laquinimod prevented the degradation of type II collagen by inhibiting MMP-3 and MMP-13. Meanwhile, the presence of laquinimod attenuated the reduction in aggrecan by mediating ADAMTS-4 and ADAMTS-5. Mechanistically, laquinimod ameliorated IL-1β-induced inflammation and degeneration of ECM by suppressing the activation of NF-κB. Taken together, our findings reveal that laquinimod possesses a beneficial effect against IL-1β insults in human chondrocytes, implying an important role of laquinimod in OA.
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Affiliation(s)
- Peng Xie
- Department of Bone and Joint Trauma, Hanzhong Central Hospital, Shaanxi Province 723000, China
| | - Feng Dan
- Department of Bone and Joint Trauma, Hanzhong Central Hospital, Shaanxi Province 723000, China
| | - Guoyong Yu
- Department of Bone and Joint Trauma, Hanzhong Central Hospital, Shaanxi Province 723000, China
| | - Wenhui Ruan
- Department of Bone and Joint Trauma, Hanzhong Central Hospital, Shaanxi Province 723000, China
| | - Hong Yu
- Department of Bone and Joint Trauma, Hanzhong Central Hospital, Shaanxi Province 723000, China
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13
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Fatoba O, Ohtake Y, Itokazu T, Yamashita T. Immunotherapies in Huntington's disease and α-Synucleinopathies. Front Immunol 2020; 11:337. [PMID: 32161599 PMCID: PMC7052383 DOI: 10.3389/fimmu.2020.00337] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 02/11/2020] [Indexed: 12/13/2022] Open
Abstract
Modulation of immune activation using immunotherapy has attracted considerable attention for many years as a potential therapeutic intervention for several inflammation-associated neurodegenerative diseases. However, the efficacy of single-target immunotherapy intervention has shown limited or no efficacy in alleviating disease burden and restoring functional capacity. Marked immune system activation and neuroinflammation are important features and prodromal signs in polyQ repeat disorders and α-synucleinopathies. This review describes the current status and future directions of immunotherapies in proteinopathy-induced neurodegeneration with emphasis on preclinical and clinical efficacies of several anti-inflammatory compounds and antibody-based therapies for the treatment of Huntington's disease and α-synucleinopathies. The review concludes with how disease modification and functional restoration could be achieved by using targeted multimodality therapy to target multiple factors.
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Affiliation(s)
- Oluwaseun Fatoba
- Department of Molecular Neuroscience, Graduate School of Medicine, Osaka University, Suita, Japan.,WPI -Immunology Frontier Research Center, Osaka University, Suita, Japan
| | - Yosuke Ohtake
- Department of Molecular Neuroscience, Graduate School of Medicine, Osaka University, Suita, Japan.,Department of Neuro-Medical Science, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Takahide Itokazu
- Department of Molecular Neuroscience, Graduate School of Medicine, Osaka University, Suita, Japan.,Department of Neuro-Medical Science, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Toshihide Yamashita
- Department of Molecular Neuroscience, Graduate School of Medicine, Osaka University, Suita, Japan.,WPI -Immunology Frontier Research Center, Osaka University, Suita, Japan.,Department of Neuro-Medical Science, Graduate School of Medicine, Osaka University, Suita, Japan
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14
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García-Revilla J, Alonso-Bellido IM, Burguillos MA, Herrera AJ, Espinosa-Oliva AM, Ruiz R, Cruz-Hernández L, García-Domínguez I, Roca-Ceballos MA, Santiago M, Rodríguez-Gómez JA, Soto MS, de Pablos RM, Venero JL. Reformulating Pro-Oxidant Microglia in Neurodegeneration. J Clin Med 2019; 8:E1719. [PMID: 31627485 PMCID: PMC6832973 DOI: 10.3390/jcm8101719] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 10/11/2019] [Accepted: 10/12/2019] [Indexed: 12/13/2022] Open
Abstract
In neurodegenerative diseases, microglia-mediated neuroinflammation and oxidative stress are central events. Recent genome-wide transcriptomic analyses of microglial cells under different disease conditions have uncovered a new subpopulation named disease-associated microglia (DAM). These studies have challenged the classical view of the microglia polarization state's proinflammatory M1 (classical activation) and immunosuppressive M2 (alternative activation). Molecular signatures of DAM and proinflammatory microglia (highly pro-oxidant) have shown clear differences, yet a partial overlapping gene profile is evident between both phenotypes. The switch activation of homeostatic microglia into reactive microglia relies on the selective activation of key surface receptors involved in the maintenance of brain homeostasis (a.k.a. pattern recognition receptors, PRRs). Two relevant PRRs are toll-like receptors (TLRs) and triggering receptors expressed on myeloid cells-2 (TREM2), whose selective activation is believed to generate either a proinflammatory or a DAM phenotype, respectively. However, the recent identification of endogenous disease-related ligands, which bind to and activate both TLRs and TREM2, anticipates the existence of rather complex microglia responses. Examples of potential endogenous dual ligands include amyloid β, galectin-3, and apolipoprotein E. These pleiotropic ligands induce a microglia polarization that is more complicated than initially expected, suggesting the possibility that different microglia subtypes may coexist. This review highlights the main microglia polarization states under disease conditions and their leading role orchestrating oxidative stress.
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Affiliation(s)
- Juan García-Revilla
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Isabel M Alonso-Bellido
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Miguel A Burguillos
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Antonio J Herrera
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Ana M Espinosa-Oliva
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Rocío Ruiz
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Luis Cruz-Hernández
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Irene García-Domínguez
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - María A Roca-Ceballos
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Marti Santiago
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - José A Rodríguez-Gómez
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Departament of Medical Physiology and Biophysics, Faculty of Medicine, University of Seville, 41009 Sevilla, Spain.
| | - Manuel Sarmiento Soto
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - Rocío M de Pablos
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
| | - José L Venero
- Department of Biochemistry and Molecular Biology, Faculty of Pharmacy, University of Seville, 41012 Seville, Spain.
- Institute of Biomedicine of Seville (IBIS)-Hospital Universitario Virgen del Rocío/CSIC/University of Seville, 41012 Seville, Spain.
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15
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Denis HL, Lauruol F, Cicchetti F. Are immunotherapies for Huntington's disease a realistic option? Mol Psychiatry 2019; 24:364-377. [PMID: 29487401 DOI: 10.1038/s41380-018-0021-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 12/22/2017] [Accepted: 01/15/2018] [Indexed: 01/28/2023]
Abstract
There is compelling evidence that the pathophysiology of many neurodegenerative diseases includes dysregulation of the immune system, with some elements that precede disease onset. However, if these alterations are prominent, why have clinical trials targeting this system failed to translate into long-lasting meaningful benefits for patients? This review focuses on Huntington's disease, a genetic disorder marked by notable cerebral and peripheral inflammation. We summarize ongoing and completed clinical trials that have involved pharmacological approaches to inhibit various components of the immune system and their pre-clinical correlates. We then discuss new putative treatment strategies using more targeted immunotherapies such as vaccination and intrabodies and how these may offer new hope in the treatment of Huntington's disease as well as other neurodegenerative diseases.
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Affiliation(s)
- Hélèna L Denis
- Centre de Recherche du CHU de Québec, Université Laval, Québec, QC, G1V 4G2, Canada.,Département de Psychiatrie & Neurosciences, Université Laval, Québec, QC, G1V 0A6, Canada
| | - Florian Lauruol
- Centre de Recherche du CHU de Québec, Université Laval, Québec, QC, G1V 4G2, Canada.,Département de Psychiatrie & Neurosciences, Université Laval, Québec, QC, G1V 0A6, Canada
| | - Francesca Cicchetti
- Centre de Recherche du CHU de Québec, Université Laval, Québec, QC, G1V 4G2, Canada. .,Département de Psychiatrie & Neurosciences, Université Laval, Québec, QC, G1V 0A6, Canada.
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16
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Giampà C, Alvino A, Magatti M, Silini AR, Cardinale A, Paldino E, Fusco FR, Parolini O. Conditioned medium from amniotic cells protects striatal degeneration and ameliorates motor deficits in the R6/2 mouse model of Huntington's disease. J Cell Mol Med 2018; 23:1581-1592. [PMID: 30585395 PMCID: PMC6349233 DOI: 10.1111/jcmm.14113] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Revised: 11/22/2018] [Accepted: 12/07/2018] [Indexed: 12/19/2022] Open
Abstract
Inflammation significantly impacts the progression of Huntington's disease (HD) and the mutant HTT protein determines a pro‐inflammatory activation of microglia. Mesenchymal stem/stromal cells (MSC) from the amniotic membrane (hAMSC), and their conditioned medium (CM‐hAMSC), have been shown to possess protective effects in vitro and in vivo in animal models of immune‐based disorders and of traumatic brain injury, which have been shown to be mediated by their immunomodulatory properties. In this study, in the R6/2 mouse model for HD we demonstrate that mice treated with CM‐hAMSC display less severe signs of neurological dysfunction than saline‐treated ones. CM‐hAMSC treatment significantly delayed the development of the hind paw clasping response during tail suspension, reduced deficits in rotarod performance, and decreased locomotor activity in an open field test. The effects of CM‐hAMSC on neurological function were reflected in a significant amelioration in brain pathology, including reduction in striatal atrophy and the formation of striatal neuronal intranuclear inclusions. In addition, while no significant increase was found in the expression of BDNF levels after CM‐hAMSC treatment, a significant decrease of microglia activation and inducible nitric oxide synthase levels were observed. These results support the concept that CM‐hAMSC could act by modulating inflammatory cells, and more specifically microglia.
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Affiliation(s)
- Carmela Giampà
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, Rome, Italy.,Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Alessandra Alvino
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, Rome, Italy.,Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Marta Magatti
- Centro di Ricerca E. Menni, Fondazione Poliambulanza, Brescia, Italy
| | | | | | - Emanuela Paldino
- Laboratory of Neuroanatomy, Santa Lucia Foundation IRCCS, Rome, Italy
| | - Francesca R Fusco
- Laboratory of Neuroanatomy, Santa Lucia Foundation IRCCS, Rome, Italy
| | - Ornella Parolini
- Istituto di Anatomia Umana e Biologia Cellulare, Università Cattolica del Sacro Cuore, Rome, Italy.,Centro di Ricerca E. Menni, Fondazione Poliambulanza, Brescia, Italy
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17
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Abstract
The 25 years since the identification of the gene responsible for Huntington disease (HD) have stood witness to profound discoveries about the nature of the disease and its pathogenesis. Despite this progress, however, the development of disease-modifying therapies has thus far been slow. Preclinical validation of the therapeutic potential of disrupted pathways in HD has led to the advancement of pharmacological agents, both novel and repurposed, for clinical evaluation. The most promising therapeutic approaches include huntingtin (HTT) lowering and modification as well as modulation of neuroinflammation and synaptic transmission. With clinical trials for many of these approaches imminent or currently ongoing, the coming years are promising not only for HD but also for more prevalent neurodegenerative disorders, such as Alzheimer and Parkinson disease, in which many of these pathways have been similarly implicated.
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18
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Hussain R, Zubair H, Pursell S, Shahab M. Neurodegenerative Diseases: Regenerative Mechanisms and Novel Therapeutic Approaches. Brain Sci 2018; 8:E177. [PMID: 30223579 PMCID: PMC6162719 DOI: 10.3390/brainsci8090177] [Citation(s) in RCA: 110] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 09/03/2018] [Accepted: 09/12/2018] [Indexed: 12/12/2022] Open
Abstract
Regeneration refers to regrowth of tissue in the central nervous system. It includes generation of new neurons, glia, myelin, and synapses, as well as the regaining of essential functions: sensory, motor, emotional and cognitive abilities. Unfortunately, regeneration within the nervous system is very slow compared to other body systems. This relative slowness is attributed to increased vulnerability to irreversible cellular insults and the loss of function due to the very long lifespan of neurons, the stretch of cells and cytoplasm over several dozens of inches throughout the body, insufficiency of the tissue-level waste removal system, and minimal neural cell proliferation/self-renewal capacity. In this context, the current review summarized the most common features of major neurodegenerative disorders; their causes and consequences and proposed novel therapeutic approaches.
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Affiliation(s)
- Rashad Hussain
- Center for Translational Neuromedicine, University of Rochester, NY 14642, USA.
| | - Hira Zubair
- Department of Animal Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan.
| | - Sarah Pursell
- Center for Translational Neuromedicine, University of Rochester, NY 14642, USA.
| | - Muhammad Shahab
- Department of Animal Sciences, Quaid-i-Azam University, Islamabad 45320, Pakistan.
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19
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Dong X, Cong S. Bioinformatic analysis of microRNA expression in Huntington's disease. Mol Med Rep 2018; 18:2857-2865. [PMID: 30015953 PMCID: PMC6102687 DOI: 10.3892/mmr.2018.9238] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 06/21/2018] [Indexed: 01/06/2023] Open
Abstract
Huntington's disease (HD) is an inherited, progressive neurodegenerative disease caused by a CAG expansion in the Huntingtin (HTT) gene and various dysfunctions of biological processes in HD have been proposed. Although monogenic, the exact pathogenesis of HD currently remains unclear. To identify the synergistic microRNA (miRNA) pattern in HD, the miRNA expression profile dataset GSE64977 and the gene expression profile dataset GSE64810 were downloaded. Programming software R was used to identify differentially expressed genes (DEGs) and differentially expressed miRNAs (DEMs). Target genes of DEMs were predicted using the TargetScan database. Gene ontology (GO) function of DEGs was generated using the FunRich and a miRNA-mRNA interaction network was constructed using Cytoscape software. In total, 1,612 DEGs and 10 DEMs were identified. GO terms mainly included inflammatory response and immune response in DEGs. A total of 745 target genes were predicted from the DEMs and 33 overlaps were identified between these target genes and DEGs. The miRNA network demonstrated that hsa-miR-4488, hsa-miR-196a-5p, and hsa-miR-549a had a high degree and may be involved with the pathogenesis and potential therapeutic targets of HD.
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Affiliation(s)
- Xiaoyu Dong
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
| | - Shuyan Cong
- Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
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20
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Katsumoto A, Miranda AS, Butovsky O, Teixeira AL, Ransohoff RM, Lamb BT. Laquinimod attenuates inflammation by modulating macrophage functions in traumatic brain injury mouse model. J Neuroinflammation 2018; 15:26. [PMID: 29382353 PMCID: PMC5791334 DOI: 10.1186/s12974-018-1075-y] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Accepted: 01/22/2018] [Indexed: 12/11/2022] Open
Abstract
Background Traumatic brain injury (TBI) is a critical public health and socio-economic problem worldwide. A growing body of evidence supports the involvement of inflammatory events in TBI. It has been reported that resident microglia and infiltrating monocytes promote an inflammatory reaction that leads to neuronal death and eventually behavioral and cognitive impairment. Currently, there is no effective treatment for TBI and the development of new therapeutic strategies is a scientific goal of highest priority. Laquinimod, an orally administered neuroimmunomodulator initially developed for the treatment of multiple sclerosis, might be a promising neuroprotective therapy for TBI. Herein, we aim to investigate the hypothesis that laquinimod will reduce the central nervous system (CNS) damage caused by TBI. Methods To test our hypothesis, Ccr2rfp/+Cx3cr1gfp/+ mice were submitted to a moderate TBI induced by fluid percussion. Sham controls were submitted only to craniotomy. Mice were treated daily by oral gavage with laquinimod (25 mg/kg) 7 days before and 3 days after TBI. The brains of mice treated or not treated with laquinimod were collected at 3 and 120 days post injury, and brain morphological changes, axonal injury, and neurogenesis were evaluated by microscopy analysis. We also isolated microglia from infiltrating monocytes, and the expression of immune gene mRNAs were analyzed by employing a quantitative NanoString nCounter technique. Results Laquinimod prevented ventricle enlargement caused by TBI in the long term. Immunohistochemical analyses revealed decreased axonal damage and restored neurogenesis in the laquinimod-treated TBI group at early stage (3 days post injury). Notably, laquinimod inhibited the monocytes infiltration to the brain. Hierarchial clustering demonstrated that the microglial gene expression from the TBI group treated with laquinimod resembles the sham group more than the TBI-water control group. Conclusions Administration of laquinimod reduced lesion volume and axonal damage and restored neurogenesis after TBI. Laquinimod might be a potential therapy strategy to improve TBI long-term prognosis. Electronic supplementary material The online version of this article (10.1186/s12974-018-1075-y) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Atsuko Katsumoto
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH, USA. .,Stark Neurosciences Research Institute, Indiana University School of Medicine, 320 W 15th St, Indianapolis, IN, 46202, USA.
| | - Aline S Miranda
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH, USA.,Laboratory of Neurobiology, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Oleg Butovsky
- Center of Neurologic Diseases, Brigham and Women's Hospital, Boston, MA, USA
| | - Antônio L Teixeira
- Interdisciplinary Laboratory of Medical Investigation, School of Medicine, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - Richard M Ransohoff
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH, USA
| | - Bruce T Lamb
- Department of Neurosciences, Lerner Research Institute, Cleveland Clinic Foundation, Cleveland, OH, USA. .,Stark Neurosciences Research Institute, Indiana University School of Medicine, 320 W 15th St, Indianapolis, IN, 46202, USA.
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Abstract
The transgenic mouse model R6/2 exhibits Huntington's disease (HD)-like deficits and basic pathophysiological similarities. We also used the pheochromocytoma-12 (PC12)-cell-line-model to investigate the effect of laquinimod on metabolic activity. Laquinimod is an orally administered immunomodulatory substance currently under development for the treatment of multiple sclerosis (MS) and HD. As an essential effect, increased levels of BDNF were observed. Therefore, we investigated the therapeutic efficacy of laquinimod in the R6/2 model, focusing on its neuroprotective capacity. Weight course and survival were not influenced by laquinimod. Neither were any metabolic effects seen in an inducible PC12-cell-line model of HD. As a positive effect, motor functions of R6/2 mice at the age of 12 weeks significantly improved. Preservation of morphologically intact neurons was found after treatment in the striatum, as revealed by NeuN, DARPP-32, and ubiquitin. Biochemical analysis showed a significant increase in the brain-derived neurotrophic factor (BDNF) level in striatal but not in cortical neurons. The number of mutant huntingtin (mhtt) and inducible nitric oxide synthase (iNOS) positive cells was reduced in both the striatum and motor cortex following treatment. These findings suggest that laquinimod could provide a mild effect on motor function and striatal histopathology, but not on survival. Besides influences on the immune system, influence on BDNF-dependent pathways in HD are discussed.
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Abstract
INTRODUCTION An inherited, chronic progressive, neurodegenerative disorder is Huntington's disease, characterized by motor, cognitive, and psychiatric symptoms. Predictive genetic testing allows earlier diagnosis and identification of gene carriers for Huntington's disease. These individuals are ideal candidates for testing of therapeutic interventions for disease modification. Areas covered: According to queries in Pubmed, Embase and clinical register databases, research and clinical studies emerge on symptomatic and neuroprotective therapies in Huntington's disease. This review discusses novel agents for symptomatic therapy and disease modification. They are currently in phase I and II of drug development Expert opinion: There are promising, safe and well tolerated compounds for amelioration of motor and neuropsychiatric symptoms, but their efficacy still needs to be proven in clinical trials. Deterioration of mutant huntingtin expression, antiapoptotic or cell death inhibition as disease modifying concepts was efficacious in models of Huntington's disease. However, the risk for clinical trial failures is high not only due to ineffectiveness of the tested agent. Negative study outcomes may also result from design misconceptions, underestimation of the heterogeneity of Huntington's disease, too short study durations and too small study cohorts.
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Affiliation(s)
- Thomas Müller
- a Department of Neurology , St. Joseph Hospital Berlin-Weißensee , Berlin , Germany
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23
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Warren MB, Schak KM. Disclosing Huntington's Genetic Testing Results in the Context of Intellectual Disability and Guardianship: Using the Family Illness Narrative to Guide the Flow of Information. J Genet Couns 2016; 26:272-275. [PMID: 27744538 DOI: 10.1007/s10897-016-0007-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Accepted: 08/03/2016] [Indexed: 10/20/2022]
Abstract
A diagnosis of Huntington's disease has broad social, vocational, reproductive and psychological implications. The ability to accurately diagnose the illness via genetic testing is not new. However, given a persistent lack of robustly effective interventions, it remains an area of ethical concern. The difficulty is compounded in cases of intellectual disability. This paper presents a case of genetic testing for Huntington's disease conducted on a patient with intellectual disability with guardian consent, but without the patient's direct knowledge and how the family illness narrative and psychiatric care were employed in the eventual disclosure of the patient's diagnosis and subsequent management.
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Affiliation(s)
- Mark B Warren
- Department of Psychiatry and Behavioral Sciences, Boise Veterans Administration Medical Center, University of Washington, 500 W Fort St, Boise, ID, 83702, USA.
| | - Kathryn M Schak
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA
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24
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Laquinimod rescues striatal, cortical and white matter pathology and results in modest behavioural improvements in the YAC128 model of Huntington disease. Sci Rep 2016; 6:31652. [PMID: 27528441 PMCID: PMC4985819 DOI: 10.1038/srep31652] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Accepted: 07/27/2016] [Indexed: 12/31/2022] Open
Abstract
Increasing evidence supports a role for abnormal immune activation and inflammatory responses in Huntington disease (HD). In this study, we evaluated the therapeutic potential of laquinimod (1 and 10 mg/kg), a novel immunomodulatory agent shown to be protective in a number of neuroinflammatory conditions, in the YAC128 mouse model of HD. Treatment with laquinimod for 6 months rescued atrophy in the striatum, in certain cortical regions, and in the corpus callosum of YAC128 HD mice. Diffusion tensor imaging showed that white matter microstructural abnormalities in the posterior corpus callosum were improved following treatment with low dose (1 mg/kg) laquinimod, and were paralleled by reduced levels of interleukin-6 in the periphery of YAC128 HD mice. Functionally, treatment with laquinimod (1 and 10 mg/kg) led to modest improvements in motor function and in depressive-like behaviour. Taken together, these results suggest that laquinimod may improve some features of pathology in HD, and provides support for the role of immune activation in the pathogenesis of HD.
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Neuroimmunology of Huntington's Disease: Revisiting Evidence from Human Studies. Mediators Inflamm 2016; 2016:8653132. [PMID: 27578922 PMCID: PMC4992798 DOI: 10.1155/2016/8653132] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 07/12/2016] [Indexed: 12/11/2022] Open
Abstract
Huntington's disease (HD) is a neurodegenerative disorder characterized by selective loss of neurons in the striatum and cortex, which leads to progressive motor dysfunction, cognitive decline, and psychiatric disorders. Although the cause of HD is well described—HD is a genetic disorder caused by a trinucleotide (CAG) repeat expansion in the gene encoding for huntingtin (HTT) on chromosome 4p16.3—the ultimate cause of neuronal death is still uncertain. Apart from impairment in systems for handling abnormal proteins, other metabolic pathways and mechanisms might contribute to neurodegeneration and progression of HD. Among these, inflammation seems to play a role in HD pathogenesis. The current review summarizes the available evidence about immune and/or inflammatory changes in HD. HD is associated with increased inflammatory mediators in both the central nervous system and periphery. Accordingly, there have been some attempts to slow HD progression targeting the immune system.
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26
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Björkqvist M. Immunomodulation - a disease-modifying avenue for treatment of Huntington's disease? J Neurochem 2016; 137:670-2. [PMID: 27059524 DOI: 10.1111/jnc.13539] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2016] [Accepted: 01/11/2016] [Indexed: 12/14/2022]
Abstract
This Editorial highlights a study published in the current issue of Journal of Neurochemistry by Dobson et al. (), investigating whether the immunomodulatory agent, laquinimod exerts an immunomodulatory effect on isolated Huntington's disease monocytes. In Huntington's disease (HD) a central immune activation is mirrored in the periphery by a low-grade immune response and monocytes isolated from HD gene carriers have been shown pathologically hyperreactive in response to stimulation. This hyperreactive immune system has become recognized as an important feature of HD pathogenesis and the employment of a strategy to affect this hyperreactivity could be a potential disease-modifying avenue in HD. Read the highlighted article 'Laquinimod dampens hyperactive cytokine production in Huntington's disease patient myeloid cells' on page 782.
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Affiliation(s)
- Maria Björkqvist
- Brain Disease Biomarker Unit, Department of Experimental Medical Science, Wallenberg Neuroscience Centre, Lund University, Lund, Sweden
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27
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Valekova I, Jarkovska K, Kotrcova E, Bucci J, Ellederova Z, Juhas S, Motlik J, Gadher SJ, Kovarova H. Revelation of the IFNα, IL-10, IL-8 and IL-1β as promising biomarkers reflecting immuno-pathological mechanisms in porcine Huntington's disease model. J Neuroimmunol 2016; 293:71-81. [PMID: 27049565 DOI: 10.1016/j.jneuroim.2016.02.012] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Revised: 02/12/2016] [Accepted: 02/17/2016] [Indexed: 12/25/2022]
Abstract
Studies on Huntington's disease (HD) demonstrated altered immune response in HD gene carriers. Using multiplexing immunoassay, we simultaneously investigated seven cytokines in secretomes of microglia and blood monocytes, cerebrospinal fluid (CSF) and serum collected from transgenic HD minipigs at pre-symptomatic disease stage. Decline in IFNα and IL-10 was observed in CSF and secretome of microglia whilst elevated IL-8 and IL-1β levels were secreted by microglia. Additionally, IL-8 was increased in serum. The proportion of mutant huntingtin in microglia may have causative impact on cytokine production. IFNα, IL-10, IL-8 and IL-1β represent promising biomarkers reflecting immuno-pathological mechanisms in porcine HD model.
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Affiliation(s)
- Ivona Valekova
- Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, v.v.i., Rumburska 89, 277 21 Libechov, Czech Republic; Research Center PIGMOD, Rumburska 89, 277 21 Libechov, Czech Republic; Department of Cell Biology, Faculty of Science, Charles University, Vinicna 7, 128 43 Prague, Czech Republic
| | - Karla Jarkovska
- Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, v.v.i., Rumburska 89, 277 21 Libechov, Czech Republic; Research Center PIGMOD, Rumburska 89, 277 21 Libechov, Czech Republic
| | - Eva Kotrcova
- Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, v.v.i., Rumburska 89, 277 21 Libechov, Czech Republic; Research Center PIGMOD, Rumburska 89, 277 21 Libechov, Czech Republic; Department of Cell Biology, Faculty of Science, Charles University, Vinicna 7, 128 43 Prague, Czech Republic
| | - John Bucci
- Thermo Fisher Scientific, 5791 Van Allen Way, Carlsbad, CA 92008, USA
| | - Zdenka Ellederova
- Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, v.v.i., Rumburska 89, 277 21 Libechov, Czech Republic; Research Center PIGMOD, Rumburska 89, 277 21 Libechov, Czech Republic
| | - Stefan Juhas
- Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, v.v.i., Rumburska 89, 277 21 Libechov, Czech Republic; Research Center PIGMOD, Rumburska 89, 277 21 Libechov, Czech Republic
| | - Jan Motlik
- Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, v.v.i., Rumburska 89, 277 21 Libechov, Czech Republic; Research Center PIGMOD, Rumburska 89, 277 21 Libechov, Czech Republic
| | - Suresh Jivan Gadher
- Thermo Fisher Scientific - Life Science Solutions, 7335 Executive Way, Frederick, MD 21704, USA
| | - Hana Kovarova
- Institute of Animal Physiology and Genetics, Academy of Sciences of the Czech Republic, v.v.i., Rumburska 89, 277 21 Libechov, Czech Republic; Research Center PIGMOD, Rumburska 89, 277 21 Libechov, Czech Republic.
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