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Hsu CG, Talukder MAH, Yue L, Turpin LC, Noble M, Elfar JC. Human equivalent dose of oral 4-aminopyridine differentiates nerve crush injury from transection injury and improves post-injury function in mice. Neural Regen Res 2020; 15:2098-2107. [PMID: 32394968 PMCID: PMC7716044 DOI: 10.4103/1673-5374.280319] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
4-Aminopyridine (4-AP), an FDA-approved drug for the symptomatic treatment of multiple sclerosis, is used to improve neuromuscular function in patients with diverse demyelinating disorders. We recently demonstrated that local, transdermal or injectable forms of 4-AP improve myelination, nerve conduction velocity, muscle atrophy, and motor function after traumatic peripheral nerve injury in mice. While oral 4-AP is most commonly used in the clinic, it is unknown whether human equivalent oral doses of 4-AP have effects on traumatic peripheral nerve injury differentiation, myelination, muscle atrophy, functional recovery, and post-injury inflammatory processes in animals. Mice with sciatic nerve crush or denervation injury received oral or intraperitoneal 4-AP (10 μg) or vehicle alone and were examined for pharmacokinetics, motor function, muscle mass, intrinsic muscle force, nerve morphological and gene expression profiles. 4-AP showed linear pharmacokinetics and the maximum plasma 4-AP concentrations were proportional to 4-AP dose. Acute single dose of oral 4-AP administration induced a rapid transient improvement in motor function that was different in traumatic peripheral nerve injury with or without nerve continuity, chronic daily oral 4-AP treatment significantly enhanced post crush injury motor function recovery and this effect was associated with improved myelination, muscle mass, and ex vivo muscle force. Polymerase chain reaction array analysis with crushed nerve revealed significant alterations in gene involved in axonal inflammation and regeneration. These findings provide convincing evidence that regardless of the route of administration, 4-AP can acutely differentiate traumatic peripheral nerve injury with or without nerve continuity and can enhance in vivo functional recovery with better preservation of myelin sheaths, muscle mass, and muscle force. The animal experiments were approved by the University Committee on Animal Research (UCAR) at the University of Rochester (UCAR-2009-019) on March 31, 2017.
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Affiliation(s)
- Chia George Hsu
- Department of Medicine, Aab Cardiovascular Research Institute, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA
| | - M A Hassan Talukder
- Center for Orthopaedic Research and Translational Science, Penn State Hershey College of Medicine, Milton S. Hershey Medical Center, Hershey, PA, USA
| | - Li Yue
- Department of Orthopedics, The Warren Alpert Medical School of Brown University/Rhode Island Hospital, Providence, RI, USA
| | - Loel C Turpin
- Department of Neuroscience, The University of Rochester Medical Center, Rochester, NY, USA
| | - Mark Noble
- Department of Biomedical Genetics, The University of Rochester Medical Center, Rochester, NY, USA
| | - John C Elfar
- Center for Orthopaedic Research and Translational Science, Penn State Hershey College of Medicine, Milton S. Hershey Medical Center, Hershey, PA, USA
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Meira M, Sievers C, Hoffmann F, Bodmer H, Derfuss T, Kuhle J, Haghikia A, Kappos L, Lindberg RL. PARP-1 deregulation in multiple sclerosis. Mult Scler J Exp Transl Clin 2019; 5:2055217319894604. [PMID: 31897308 PMCID: PMC6918498 DOI: 10.1177/2055217319894604] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 09/27/2019] [Accepted: 11/14/2019] [Indexed: 12/29/2022] Open
Abstract
Background Poly (ADP-ribose) polymerase 1 (PARP-1) plays pivotal roles in immune and inflammatory responses. Accumulating evidence suggests PARP-1 as a promising target for immunomodulation in multiple sclerosis and natalizumab-associated progressive multifocal leukoencephalopathy. Objective This study explores expression of PARP-1 and downstream effectors in multiple sclerosis and during natalizumab treatment. Methods Transcriptional expressions were studied by real-time reverse transcriptase polymerase chain reaction on CD4+T/CD8+T/CD14+/B cells and peripheral blood mononuclear cells from healthy volunteers, untreated and natalizumab-treated non-progressive multifocal leukoencephalopathy and progressive multifocal leukoencephalopathy multiple sclerosis patients. Results PARP-1 expression was higher in CD4+T, CD8+T and B cells from untreated patients compared to healthy volunteers. Natalizumab treatment restored deregulated PARP-1 expression in T cells but not in B cells. Sustained upregulation of PARP-1 was associated with decreased expression of downstream PARP-1 factors such as TGFBR1/TGFBR2/BCL6 in B cells. Notably, a higher expression of PARP-1 was detected in progressive multifocal leukoencephalopathy patients. Conclusions Given the importance of PARP-1 in inflammatory processes, its upregulation in multiple sclerosis lymphocyte populations suggests a potential role in the immune pathogenesis of multiple sclerosis. Strikingly higher PARP-1 expression in progressive multifocal leukoencephalopathy cases suggests its involvement in progressive multifocal leukoencephalopathy disease pathomechanisms. These results further support the value of PARP-1 inhibitors as a potential novel therapeutic strategy for multiple sclerosis and natalizumab-associated progressive multifocal leukoencephalopathy.
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Affiliation(s)
- Maria Meira
- Departments of Biomedicine and Neurology, University Hospital Basel, Switzerland
| | - Claudia Sievers
- Departments of Biomedicine and Neurology, University Hospital Basel, Switzerland
| | - Francine Hoffmann
- Departments of Biomedicine and Neurology, University Hospital Basel, Switzerland
| | - Heidi Bodmer
- Departments of Biomedicine and Neurology, University Hospital Basel, Switzerland
| | - Tobias Derfuss
- Departments of Biomedicine and Neurology, University Hospital Basel, Switzerland
| | - Jens Kuhle
- Departments of Biomedicine and Neurology, University Hospital Basel, Switzerland
| | - Aiden Haghikia
- Department of Neurology, Ruhr-University Bochum, Germany
| | - Ludwig Kappos
- Departments of Biomedicine and Neurology, University Hospital Basel, Switzerland
| | - Raija Lp Lindberg
- Departments of Biomedicine and Neurology, University Hospital Basel, Switzerland
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Czapski GA, Cieślik M, Wencel PL, Wójtowicz S, Strosznajder RP, Strosznajder JB. Inhibition of poly(ADP-ribose) polymerase-1 alters expression of mitochondria-related genes in PC12 cells: relevance to mitochondrial homeostasis in neurodegenerative disorders. BIOCHIMICA ET BIOPHYSICA ACTA-MOLECULAR CELL RESEARCH 2017; 1865:281-288. [PMID: 29128369 DOI: 10.1016/j.bbamcr.2017.11.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 11/03/2017] [Accepted: 11/06/2017] [Indexed: 12/18/2022]
Abstract
Alzheimer's disease (AD) is characterized by the release of amyloid beta peptides (Aβ) in the form of monomers/oligomers which may lead to oxidative stress, mitochondria dysfunction, synaptic loss, neuroinflammation and, in consequence, to overactivation of poly(ADP-ribose) polymerase-1 (PARP-1). However, Aβ peptides are also released in the brain ischemia, traumatic injury and in inflammatory response. PARP-1 is suggested to be a promising target in therapy of neurodegenerative disorders. We investigated the impact of PARP-1 inhibition on transcription of mitochondria-related genes in PC12 cells. Moreover, the effect of PARP-1 inhibitor (PJ34) on cells subjected to Aβ oligomers (AβO) - evoked stress was analyzed. Our data demonstrated that inhibition of PARP-1 in PC12 cells enhanced the transcription of genes for antioxidative enzymes (Sod1, Gpx1, Gpx4), activated genes regulating mitochondrial fission/fusion (Mfn1, Mfn2, Dnm1l, Opa1, Fis1), subunits of ETC complexes (mt-Nd1, Sdha, mt-Cytb) and modulated expression of several TFs, enhanced Foxo1 and decreased Nrf1, Stat6, Nfkb1. AβO elevated free radicals concentration, decreased mitochondria membrane potential (MMP) and cell viability after 24h. Gene transcription was not affected by AβO after 24h, but was significantly downregulated after 96h. In AβO stress, PJ34 exerted stimulatory effect on expression of several genes (Gpx1, Gpx4, Opa1, Mfn2, Fis1 and Sdha), decreased transcription of numerous TFs (Nrf1, Tfam, Stat3, Stat6, Trp53, Nfkb1) and prevented oxidative stress. Our results indicated that PARP-1 inhibition significantly enhanced transcription of genes involved in antioxidative defense and in regulation of mitochondria function, but was not able to ameliorate cells viability affected by Aβ.
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Affiliation(s)
- Grzegorz A Czapski
- Department of Cellular Signalling, Mossakowski Medical Research Centre Polish Academy of Sciences, Pawińskiego 5, 02-106 Warsaw, Poland.
| | - Magdalena Cieślik
- Department of Cellular Signalling, Mossakowski Medical Research Centre Polish Academy of Sciences, Pawińskiego 5, 02-106 Warsaw, Poland.
| | - Przemysław L Wencel
- Laboratory of Preclinical Research and Environmental Agents, Department of Neurosurgery, Mossakowski Medical Research Centre Polish Academy of Sciences, Pawińskiego 5, 02-106 Warsaw, Poland.
| | - Sylwia Wójtowicz
- Department of Cellular Signalling, Mossakowski Medical Research Centre Polish Academy of Sciences, Pawińskiego 5, 02-106 Warsaw, Poland.
| | - Robert P Strosznajder
- Laboratory of Preclinical Research and Environmental Agents, Department of Neurosurgery, Mossakowski Medical Research Centre Polish Academy of Sciences, Pawińskiego 5, 02-106 Warsaw, Poland.
| | - Joanna B Strosznajder
- Department of Cellular Signalling, Mossakowski Medical Research Centre Polish Academy of Sciences, Pawińskiego 5, 02-106 Warsaw, Poland.
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Pant R, Jangra A, Kwatra M, Singh T, Kushwah P, Bezbaruah BK, Gurjar SS, Phukan S. Cognitive deficits induced by combined exposure of stress and alcohol mediated through oxidative stress-PARP pathway in the hippocampus. Neurosci Lett 2017; 653:208-214. [PMID: 28576564 DOI: 10.1016/j.neulet.2017.05.058] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Revised: 05/13/2017] [Accepted: 05/25/2017] [Indexed: 11/18/2022]
Abstract
Several studies reported that stress can enhance the consumption of alcohol in humans and animals. However, the combinatorial effect of stress and alcohol on cognitive function and neurochemical alterations is quite understudied. In the present study, we have elucidated the involvement of oxidative stress-PARP cascade in alcohol and restraint stress (RS)-exposed animals using a PARP inhibitor, 1,5-isoquinolinediol (3mg/kg for 14days). Male Swiss albino mice were given alcohol (ALC) or RS (2h per day) or both in ALC+RS group for 28days. Behavioral analysis revealed cognitive dysfunction in ALC+RS group. Furthermore, oxidative stress and raised level of pro-inflammatory cytokines were found in the hippocampus region of ALC+RS group. Semi-quantitative reverse transcriptase PCR showed overactivation of PARP-1 gene in ALC+RS group. 1,5-isoquinolinediol treatment significantly prevented cognitive deficits and aforementioned neurochemical alterations. Overall, our findings showed that ALC+RS exerted deleterious effects on the hippocampus which involves oxidative stress-PARP overactivation cascade.
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Affiliation(s)
- Rajat Pant
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Assam, India
| | - Ashok Jangra
- Department of Pharmacology, KIET School of Pharmacy, Krishna Institute of Engineering and Technology, Ghaziabad, Uttar Pradesh, India.
| | - Mohit Kwatra
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Assam, India
| | - Tavleen Singh
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Assam, India
| | - Pawan Kushwah
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Assam, India
| | | | - Satendra Singh Gurjar
- Department of Biosciences and Bioengineering, Indian Institute of Technology, Guwahati, Assam, India
| | - Swopna Phukan
- Department of Pharmacology, Gauhati Medical College, Guwahati, Assam, India
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Sriram CS, Jangra A, Gurjar SS, Mohan P, Bezbaruah BK. Edaravone abrogates LPS-induced behavioral anomalies, neuroinflammation and PARP-1. Physiol Behav 2015; 154:135-44. [PMID: 26522738 DOI: 10.1016/j.physbeh.2015.10.029] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Revised: 10/17/2015] [Accepted: 10/27/2015] [Indexed: 12/21/2022]
Abstract
Poly(ADP-ribose) polymerase-1 (PARP-1) is a DNA nick-sensor enzyme that functions at the center of cellular stress response and affects the immune system at several key points, and thus modulates inflammatory diseases. Our previous study demonstrated that lipopolysaccharide (LPS)-induced depressive-like behavior in mice can be ameliorated by 3-aminobenzamide, which is a PARP-1 inhibitor. In the present study we've examined the effect of a free radical scavenger, edaravone pretreatment against LPS-induced anxiety and depressive-like behavior as well as various hippocampal biochemical parameters including PARP-1. Male Swiss albino mice were treated with edaravone (3 & 10mg/kgi.p.) once daily for 14days. On the 14th day 30min after edaravone treatment mice were challenged with LPS (1mg/kgi.p.). After 3h and 24h of LPS administration we've tested mice for anxiety and depressive-like behaviors respectively. Western blotting analysis of PARP-1 in hippocampus was carried out after 12h of LPS administration. Moreover, after 24h of LPS administration serum corticosterone, hippocampal BDNF, oxido-nitrosative stress and pro-inflammatory cytokines were estimated by ELISA. Results showed that pretreatment of edaravone (10mg/kg) ameliorates LPS-induced anxiety and depressive-like behavior. Western blotting analysis showed that LPS-induced anomalous expression of PARP-1 significantly reverses by the pretreatment of edaravone (10mg/kg). Biochemical analyses revealed that LPS significantly diminishes BDNF, increases pro-inflammatory cytokines and oxido-nitrosative stress in the hippocampus. However, pretreatment with edaravone (10mg/kg) prominently reversed all these biochemical alterations. Our study emphasized that edaravone pretreatment prevents LPS-induced anxiety and depressive-like behavior, mainly by impeding the inflammation, oxido-nitrosative stress and PARP-1 overexpression.
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Affiliation(s)
- Chandra Shaker Sriram
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education & Research (NIPER), Guwahati, Assam 781032, India
| | - Ashok Jangra
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education & Research (NIPER), Guwahati, Assam 781032, India
| | - Satendra Singh Gurjar
- Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Guwahati, Assam 781032, India
| | - Pritam Mohan
- Department of Pharmacology & Toxicology, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam 781022, India
| | - Babul Kumar Bezbaruah
- Department of Pharmacology & Toxicology, National Institute of Pharmaceutical Education & Research (NIPER), Guwahati, Assam 781032, India; Department of Pharmacology, Gauhati Medical College, Guwahati, Assam 781032, India.
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Poly (ADP-ribose) polymerase-1 inhibitor, 3-aminobenzamide pretreatment ameliorates lipopolysaccharide-induced neurobehavioral and neurochemical anomalies in mice. Pharmacol Biochem Behav 2015; 133:83-91. [PMID: 25863272 DOI: 10.1016/j.pbb.2015.03.022] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2014] [Revised: 03/13/2015] [Accepted: 03/31/2015] [Indexed: 02/06/2023]
Abstract
Poly (ADP-ribose) polymerase-1 (PARP-1) functions at the center of cellular stress and sways the immune system at several key points, thus modulates inflammatory diseases. The antiinflammatory properties of PARP-1 inhibitors have been demonstrated ameliorating effect in various neuroinflammatory disorders. It has been reported that there is a close relationship between the inflammatory processes and major depressive disorder. In the present study, we have elucidated the role of oxidative-nitrosative stress-PARP-1 pathway in lipopolysaccharide (LPS)-induced neurobehavioral and neurochemical alterations in mice. 3-Aminobenzamide (10 and 30mg/kg) and imipramine (10 and 30mg/kg) were administered once daily for 14days. Mice were challenged with LPS (1mg/kg, i.p.) 30min after drug administration on the 14th day. The mRNA expression level of PARP-1 (12h after LPS injection) in the hippocampus was measured through quantitative real-time PCR. All the behavioral and biochemical parameters were assessed at 24h after LPS injection. The expression level of PARP-1mRNA was found significantly up-regulated in the hippocampus at 12h after LPS administration. Results showed that the LPS-challenged mice exhibited an increase in immobility time seen in forced swimming test and tail suspension test. LPS increased the levels of proinflammatory cytokines and oxido-nitrosative stress parameters in the hippocampus. However, pretreatment with 3-aminobenzamide (30mg/kg) significantly reversed the LPS-induced alterations in behavioral parameters, proinflammatory cytokines, oxidative-nitrosative stress and PARP-1 mRNA levels. Imipramine failed to prevent the up-regulation of PARP-1 induced by LPS administration. Our results emphasized that oxidative-nitrosative stress-PARP-1 cascade can play a key role in LPS-induced neurobehavioral and neurochemical anomalies.
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