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Han T, Sun Z, Zhang H, Zhao Y, Jiao A, Gao Q. Ursolic acid alleviates meiotic abnormalities induced by 3-nitropropionic acid in mouse oocytes. Toxicol Appl Pharmacol 2024; 485:116910. [PMID: 38521372 DOI: 10.1016/j.taap.2024.116910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 03/12/2024] [Accepted: 03/19/2024] [Indexed: 03/25/2024]
Abstract
3-nitropropionic acid (3-NPA), a toxic metabolite produced by mold, is mainly found in moldy sugarcane. 3-NPA inhibits the activity of succinate dehydrogenase that can induce oxidative stress injury in cells, reduce ATP production and induce oxidative stress in mouse ovaries to cause reproductive disorders. Ursolic acid (UA) has a variety of biological activities and is a pentacyclic triterpene compound found in many plants. This experiment aimed to investigate the cytotoxicity of 3-NPA during mouse oocyte in vitro maturation and the protective effects of UA on oocytes challenged with 3-NPA. The results showed that UA could alleviate 3-NPA-induced oocyte meiotic maturation failure. Specifically, 3-NPA induced a decrease in the first polar body extrusion rate of oocytes, abnormal distribution of cortical granules, and an increase in the proportion of spindle abnormalities. In addition, 3-NPA caused mitochondrial dysfunction and induced oxidative stress, including decreases in the GSH, mitochondrial membrane potential and ATP levels, and increases in the ROS levels, and these effects led to apoptosis and autophagy. The addition of UA could significantly improve the adverse effects caused by 3-NPA. In general, our data show that 3-NPA affects the normal development of oocytes during the in vitro culture, and the addition of UA can effectively repair the damage caused by 3-NPA to oocytes.
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Affiliation(s)
- Tiancang Han
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, China; Yanbian University, Yanji 133002, China
| | - Zhaoyang Sun
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, China; Yanbian University, Yanji 133002, China
| | - Hongbo Zhang
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, China; Yanbian University, Yanji 133002, China
| | - Yuhan Zhao
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, China; Yanbian University, Yanji 133002, China
| | - Anhui Jiao
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, China; Yanbian University, Yanji 133002, China
| | - Qingshan Gao
- Engineering Research Center of North-East Cold Region Beef Cattle Science & Technology Innovation, Ministry of Education, Yanbian University, Yanji 133002, China; Jilin Engineering Research Center of Yanbian Yellow Cattle Resources Reservation, China; Yanbian University, Yanji 133002, China.
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López-Sánchez C, Lagoa R, Poejo J, García-López V, García-Martínez V, Gutierrez-Merino C. An Update of Kaempferol Protection against Brain Damage Induced by Ischemia-Reperfusion and by 3-Nitropropionic Acid. Molecules 2024; 29:776. [PMID: 38398528 PMCID: PMC10893315 DOI: 10.3390/molecules29040776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/01/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024] Open
Abstract
Kaempferol, a flavonoid present in many food products, has chemical and cellular antioxidant properties that are beneficial for protection against the oxidative stress caused by reactive oxygen and nitrogen species. Kaempferol administration to model experimental animals can provide extensive protection against brain damage of the striatum and proximal cortical areas induced by transient brain cerebral ischemic stroke and by 3-nitropropionic acid. This article is an updated review of the molecular and cellular mechanisms of protection by kaempferol administration against brain damage induced by these insults, integrated with an overview of the contributions of the work performed in our laboratories during the past years. Kaempferol administration at doses that prevent neurological dysfunctions inhibit the critical molecular events that underlie the initial and delayed brain damage induced by ischemic stroke and by 3-nitropropionic acid. It is highlighted that the protection afforded by kaempferol against the initial mitochondrial dysfunction can largely account for its protection against the reported delayed spreading of brain damage, which can develop from many hours to several days. This allows us to conclude that kaempferol administration can be beneficial not only in preventive treatments, but also in post-insult therapeutic treatments.
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Affiliation(s)
- Carmen López-Sánchez
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (J.P.); (V.G.-L.); (V.G.-M.)
- Department of Human Anatomy and Embryology, Faculty of Medicine and Health Sciences, University of Extremadura, 06006 Badajoz, Spain
| | - Ricardo Lagoa
- School of Technology and Management, Polytechnic Institute of Leiria, Morro do Lena-Alto do Vieiro, 2411-901 Leiria, Portugal;
- Laboratory of Separation and Reaction Engineering-Laboratory of Catalysis and Materials (LSRE-LCM), Polytechnic Institute of Leiria, 2411-901 Leiria, Portugal
| | - Joana Poejo
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (J.P.); (V.G.-L.); (V.G.-M.)
| | - Virginio García-López
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (J.P.); (V.G.-L.); (V.G.-M.)
- Department of Medical and Surgical Therapeutics, Pharmacology Area, Faculty of Medicine and Health Sciences, University of Extremadura, 06006 Badajoz, Spain
| | - Virginio García-Martínez
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (J.P.); (V.G.-L.); (V.G.-M.)
- Department of Human Anatomy and Embryology, Faculty of Medicine and Health Sciences, University of Extremadura, 06006 Badajoz, Spain
| | - Carlos Gutierrez-Merino
- Institute of Molecular Pathology Biomarkers, University of Extremadura, 06006 Badajoz, Spain; (J.P.); (V.G.-L.); (V.G.-M.)
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Irfan Z, Khanam S, Karmakar V, Firdous SM, El Khier BSIA, Khan I, Rehman MU, Khan A. Pathogenesis of Huntington's Disease: An Emphasis on Molecular Pathways and Prevention by Natural Remedies. Brain Sci 2022; 12:1389. [PMID: 36291322 PMCID: PMC9599635 DOI: 10.3390/brainsci12101389] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 09/25/2022] [Accepted: 10/03/2022] [Indexed: 11/23/2022] Open
Abstract
BACKGROUND Huntington's disease is an inherited autosomal dominant trait neuro-degenerative disorder caused by changes (mutations) of a gene called huntingtin (htt) that is located on the short arm (p) of chromosome 4, CAG expansion mutation. It is characterized by unusual movements, cognitive and psychiatric disorders. OBJECTIVE This review was undertaken to apprehend biological pathways of Huntington's disease (HD) pathogenesis and its management by nature-derived products. Natural products can be lucrative for the management of HD as it shows protection against HD in pre-clinical trials. Advanced research is still required to assess the therapeutic effectiveness of the known organic products and their isolated compounds in HD experimental models. SUMMARY Degeneration of neurons in Huntington's disease is distinguished by progressive loss of motor coordination and muscle function. This is due to the expansion of CAG trinucleotide in the first exon of the htt gene responsible for neuronal death and neuronal network degeneration in the brain. It is believed that the factors such as molecular genetics, oxidative stress, excitotoxicity, mitochondrial dysfunction, neuroglia dysfunction, protein aggregation, and altered UPS leads to HD. The defensive effect of the natural product provides therapeutic efficacy against HD. Recent reports on natural drugs have enlightened the protective role against HD via antioxidant, anti-inflammatory, antiapoptotic, and neurofunctional regulation.
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Affiliation(s)
- Zainab Irfan
- Department of Pharmaceutical Technology, Brainware University, Kolkata 700125, West Bengal, India
| | - Sofia Khanam
- Department of Pharmacology, Calcutta Institute of Pharmaceutical Technology & AHS, Howrah 711316, West Bengal, India
| | - Varnita Karmakar
- Department of Pharmacology, Eminent College of Pharmaceutical Technology, Barasat 700126, West Bengal, India
| | - Sayeed Mohammed Firdous
- Department of Pharmacology, Calcutta Institute of Pharmaceutical Technology & AHS, Howrah 711316, West Bengal, India
| | | | - Ilyas Khan
- Department of Mathematics, College of Science Al-Zulfi, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Muneeb U. Rehman
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
| | - Andleeb Khan
- Department of Pharmacology and Toxicology, College of Pharmacy, Jazan University, Jazan 45142, Saudi Arabia
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Salman M, Sharma P, Alam MI, Tabassum H, Parvez S. Naringenin mitigates behavioral alterations and provides neuroprotection against 3-nitropropinoic acid-induced Huntington's disease like symptoms in rats. Nutr Neurosci 2021; 25:1898-1908. [PMID: 33856270 DOI: 10.1080/1028415x.2021.1913319] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
BACKGROUND Naringenin is a powerful antioxidant and anti-inflammatory flavonoid which has been widely used as a therapeutic agent in various toxic models. However, few studies have clearly discussed the neuromodulatory effects of naringenin against different neurodegenerative disorders. AIM We investigated the neuroprotective efficacy of naringenin against 3-nitropropionic acid (3-NP)-induced neurobehavioral, biochemical and histopathological alterations in rats. METHODS Albino Wistar rats were randomly divided into three experimental groups. Group 1, the vehicle administered group, received saline. Group 2 received 3-NP (20 mg/kg body weight, i.p.) for 4 consecutive days. Group 3 received naringenin (50 mg/kg body weight, p.o.) twice daily for a period of 4 days, 30 min before and 6 h after the 3-NP administration. On the 5th day, neurobehavioral experiments were performed to access the behavioral outcomes and the striatum tissue was used for analysis of the monoamine oxidase (MAO) activity and serotonin (5-HT) levels. In addition, astrocytes activation was observed by glial fibrillary acidic protein (GFAP) immunostaining. RESULTS Our results showed that naringenin co-treatment provides neuroprotection against 3-NP-induced neurological disorders. Naringenin also increased the MAO activity and 5-HT levels in the striatum. Moreover, co-treatment with naringenin reduced the expression of GFAP protein in the striatal part and significantly attenuated the neuronal cell death. The findings of the present study suggest that naringenin provides neuroprotection and mitigates neurobehavioral alterations in experimental rats. CONCLUSION The results show that co-treatment with naringenin ameliorates 3-NP-induced HD-like symptoms in rats.
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Affiliation(s)
- Mohd Salman
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
| | - Pooja Sharma
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
| | - Md Iqbal Alam
- Department of Medical Physiology, HIMSR, Jamia Hamdard, New Delhi, India
| | - Heena Tabassum
- Division of Basic Medical Sciences, Indian Council of Medical Research, Ministry of Health and Family Welfare, Govt. of India, V. Ramalingaswamy Bhawan, New Delhi, India
| | - Suhel Parvez
- Department of Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi, India
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Eskandari N, Boroujeni ME, Abdollahifar MA, Piryaei A, Khodagholi F, Mirbehbahani SH, Siroosi S, Moghaddam MH, Aliaghaei A, Sadeghi Y. Transplantation of human dental pulp stem cells compensates for striatal atrophy and modulates neuro-inflammation in 3-nitropropionic acid rat model of Huntington's disease. Neurosci Res 2020; 170:133-144. [PMID: 33359180 DOI: 10.1016/j.neures.2020.12.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 11/09/2020] [Accepted: 12/09/2020] [Indexed: 02/06/2023]
Abstract
Stem cell-based therapy has recently offered a promising alternative for the remedy of neurodegenerative disorders like Huntington's disease (HD). Herein, we investigated the potential ameliorative effects of implantation of dental pulp stem cells (DPSCs) in 3-nitropropionic acid (3-NP) rat models of HD. In this regard, human DPSCs were isolated, culture-expanded and implanted in rats lesioned with 3-NP. Post-transplantation examinations revealed that DPSCs were able to survive and augment motor skills and muscle activity. Histological analysis showed DPSCs treatment hampered the shrinkage of the striatum along with the inhibition of gliosis and microgliosis in the striatum of 3-NP rat models. We also detected the downregulation of Caspase-3 and pro-inflammatory cytokines such as TNF and IL-1β upon DPSCs grafting. Overall, these findings imply that the grafting of DPSCs could repair motor-skill impairment and induce neurogenesis, probably through the secretion of neurotrophic factors and the modulation of neuroinflammatory response in HD animal models.
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Affiliation(s)
- Neda Eskandari
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahdi Eskandarian Boroujeni
- Department of Human Molecular Genetics, Institute of Molecular Biology and Biotechnology, Faculty of Biology, Adam Mickiewicz University, Poznan, Poland
| | - Mohammad Amin Abdollahifar
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Abbas Piryaei
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fariba Khodagholi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Shokoofeh Siroosi
- Neuroscience Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Abbas Aliaghaei
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Yousef Sadeghi
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Anatomy & Neuroscience, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Melbourne, VIC, Australia.
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Wiprich MT, Zanandrea R, Altenhofen S, Bonan CD. Influence of 3-nitropropionic acid on physiological and behavioral responses in zebrafish larvae and adults. Comp Biochem Physiol C Toxicol Pharmacol 2020; 234:108772. [PMID: 32353558 DOI: 10.1016/j.cbpc.2020.108772] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 04/09/2020] [Accepted: 04/18/2020] [Indexed: 12/13/2022]
Abstract
Long-term treatment with 3-nitropropionic acid (3-NPA), a toxin derived from plants and fungi, may reproduce symptoms and biochemical characteristics of Huntington's disease (HD). Our study evaluated the effects of 3-NPA on the physiological and behavioral responses in zebrafish larvae and adults. Larvae exposed to 0.1, 0.2, or 0.5 mM 3-NPA exhibited an increase in heart rate at 2- and 5-days post-fertilization (dpf). There was a decrease in the ocular distance at 5 dpf with 0.05 mM 3-NPA treatment. However, 3-NPA did not alter larval locomotor parameters. Adult zebrafish received 3-NPA intraperitoneal injections (a total of seven injections at doses 10, 20, or 60 mg/kg every 96 h) and showed a decrease in body weight , locomotion and aggressive behavior. No changes were observed in anxiety-like behavior and social interaction between 3-NPA-exposed animals and control groups. However, 3-NPA-treated animals (at 60 mg/kg) demonstrated impaired long-term aversive memory. Overall, 3-NPA exposure induced morphological and heart rate alterations in zebrafish larvae. Additionally, our study showed behavioral changes in zebrafish that were submitted to long-term 3-NPA treatment, which could be related to HD symptoms.
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Affiliation(s)
- Melissa Talita Wiprich
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratório de Neuroquímica e Psicofarmacologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Rodrigo Zanandrea
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratório de Neuroquímica e Psicofarmacologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Stefani Altenhofen
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratório de Neuroquímica e Psicofarmacologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Instituto Nacional de Ciência e Tecnologia em Doenças Cerebrais, Excitotoxicidade e Neuroproteção, Porto Alegre, RS, Brazil
| | - Carla Denise Bonan
- Programa de Pós-Graduação em Medicina e Ciências da Saúde, Escola de Medicina, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Laboratório de Neuroquímica e Psicofarmacologia, Escola de Ciências da Saúde e da Vida, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil; Instituto Nacional de Ciência e Tecnologia em Doenças Cerebrais, Excitotoxicidade e Neuroproteção, Porto Alegre, RS, Brazil.
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Subramaniam S. Exaggerated mitophagy: a weapon of striatal destruction in the brain? Biochem Soc Trans 2020; 48:709-717. [PMID: 32129826 PMCID: PMC7200642 DOI: 10.1042/bst20191283] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 02/13/2020] [Accepted: 02/14/2020] [Indexed: 12/16/2022]
Abstract
Mechanisms responsible for neuronal vulnerability in the brain remain unclear. Striatal neurons are preferentially damaged by 3-nitropropionic acid (3-NP), a mitochondrial complex-II inhibitor, causing striatal damage reminiscent of Huntington's disease (HD), but the mechanisms of the selectivity are not as well understood. We have discovered that Rhes, a protein enriched in the striatum, removes mitochondria via the mitophagy process. The process becomes intensified in the presence of 3-NP, thereby eliminating most of the mitochondria from the striatum. We put forward the hypothesis that Rhes acts as a 'mitophagy ligand' in the brain and promotes mitophagy via NIX, a mitophagy receptor. Since Rhes interacts and promotes toxicity in association with mutant huntingtin (mHTT), the genetic cause of HD, it is tempting to speculate on whether the exaggerated mitophagy may be a contributing factor to the striatal lesion found in HD. Thus, Rhes-mediated exaggerated mitophagy may act as a weapon of striatal destruction in the brain.
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Affiliation(s)
- Srinivasa Subramaniam
- Department of Neuroscience, The Scripps Research Institute, Jupiter, FL 33458, U.S.A
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8
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Glat MJ, Stefanova N, Wenning GK, Offen D. Genes to treat excitotoxicity ameliorate the symptoms of the disease in mice models of multiple system atrophy. J Neural Transm (Vienna) 2020; 127:205-212. [PMID: 32065333 DOI: 10.1007/s00702-020-02158-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Accepted: 02/09/2020] [Indexed: 10/25/2022]
Abstract
Multiple system atrophy (MSA) is a sporadic neurodegenerative disorder characterized by striatonigral degeneration and olivopontocerebellar atrophy. The main hallmark of MSA is the aggregation of alpha-synuclein in oligodendrocytes, which contributes to the dysfunction and death of the oligodendrocytes, followed by neurodegeneration. Studies suggested that oxidative-excitatory pathway is associated with the progression of the disease. The aim of the current study was to test this concept by overexpression of excitatory amino acid transporter 2, glutamate dehydrogenase and nuclear factor (erythroid-derived 2)-related factor 2 genes in the striatum of two established mouse models of MSA. To induce the first model, we injected the mitochondrial neurotoxin, 3-nitropropionic acid (3-NP), unilaterally into the right striatum in 2-month-old C57BL/6 male mice. We demonstrate a significant improvement in two drug-induced rotational behavior tests, following unilateral injection the three genes. For the second model, we used transgenic mice expressing the alpha-synuclein gene under the proteolipid protein, in the age of 7 months, boosted with 3-NP to enhance the motor deficits and neurodegeneration. We show that the overexpression of the three genes attenuated the motor-related deficit in the elevated bridge and pole tests. Thus, our study indicates that glutamate excito-oxidative toxicity plays a major role in this MSA model and our gene therapy approach might suggest a novel strategy for MSA treatment.
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Affiliation(s)
| | - Nadia Stefanova
- Division of Neurobiology, Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
| | - Gregor Karl Wenning
- Division of Neurobiology, Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
| | - Daniel Offen
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel. .,Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel. .,Felsenstein Medical Research Center, Rabin Medical Center, 49100, Petha Tikva, Israel.
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Mehan S, Monga V, Rani M, Dudi R, Ghimire K. Neuroprotective effect of solanesol against 3-nitropropionic acid-induced Huntington's disease-like behavioral, biochemical, and cellular alterations: Restoration of coenzyme-Q10-mediated mitochondrial dysfunction. Indian J Pharmacol 2019; 50:309-319. [PMID: 30783323 PMCID: PMC6364342 DOI: 10.4103/ijp.ijp_11_18] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
OBJECTIVE The aim of the present study was to evaluate the solanesol (SNL)-mediated coenzyme-Q10 restoration to ameliorate 3-nitropropionic (3-NP)-induced behavioral, biochemical, and histological changes which resemble Huntington's disease (HD)-like symptoms in men. MATERIALS AND METHODS Various behavioral and biochemical parameters were carried out to evaluate the activity of SNL on 3-NP-treated rats. To determine the therapeutic significance of SNL on HD, different behavioral tests such as memory task, locomotor activity, grip strength, and beam cross and some biochemical test along with histopathological findings were done. RESULTS Chronic 3-NP, 10 mg/kg i.p., caused physical and mental abnormalities in animals, including memory impairment, weak grip strength, abnormal posture, and cognitive deficit. Biochemical analysis of brain homogenate in 3-NP-treated rats showed altered mitochondrial complexes, oxidative stress, and elevated lipid biomarkers. Neurohistological alterations of hippocampus, basal ganglia, and cerebral cortex of 3-NP-treated rats exhibit severe neuronal space, irregular damaged cells, and dense pyknotic nuclei-associated marked focal diffused gliosis. SNL administered for 15 days significantly improved motor performance and cognitive behavior task and restored the histopathological changes. Further, SNL treatment significantly improved mitochondrial complexes such as coenzyme-Q10 enzyme activity and attenuated inflammatory and oxidative damage of rat brain. CONCLUSION In the present research work, SNL (5, 10, and 15 mg/kg p.o.) provided notable neuroprotective effect, which was confirmed by behavioral paradigms and biochemical test. It restored the behavioral and biochemical alteration caused by 3-NP and confirmed the strong neuroprotective mechanism of SNL in 3-NP-intoxicated memory and cognitive abnormalities.
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Affiliation(s)
- Sidharth Mehan
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, India
| | - Vikramdeep Monga
- Department of Pharmaceutical Chemistry, ISF College of Pharmacy, Moga, Punjab, India
| | - Manju Rani
- Department of Pharmacology, Rajendra Institute of Technology and Sciences, Sirsa, Haryana, India
| | - Rajesh Dudi
- Department of Pharmacology, Rajendra Institute of Technology and Sciences, Sirsa, Haryana, India
| | - Krishna Ghimire
- Department of Pharmaceutical Sciences, PDM University, Bahadurgarh, Haryana, India
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Flores-Hernández J, Garzón-Vázquez JA, Hernández-Carballo G, Nieto-Mendoza E, Ruíz-Luna EA, Hernández-Echeagaray E. Striatal Neurodegeneration that Mimics Huntington's Disease Modifies GABA-induced Currents. Brain Sci 2018; 8:E217. [PMID: 30563250 PMCID: PMC6316731 DOI: 10.3390/brainsci8120217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 11/20/2018] [Accepted: 12/04/2018] [Indexed: 11/17/2022] Open
Abstract
Huntington's Disease (HD) is a degenerative disease which produces cognitive and motor disturbances. Treatment with GABAergic agonists improves the behavior and activity of mitochondrial complexes in rodents treated with 3-nitropropionic acid to mimic HD symptomatology. Apparently, GABA receptors activity may protect striatal medium spiny neurons (MSNs) from excitotoxic damage. This study evaluates whether mitochondrial inhibition with 3-NP that mimics the early stages of HD, modifies the kinetics and pharmacology of GABA receptors in patch clamp recorded dissociated MSNs cells. The results show that MSNs from mice treated with 3-NP exhibited differences in GABA-induced dose-response currents and pharmacological responses that suggests the presence of GABAC receptors in MSNs. Furthermore, there was a reduction in the effect of the GABAC antagonist that demonstrates a lessening of this GABA receptor subtype activity as a result of mitochondria inhibition.
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Affiliation(s)
- Jorge Flores-Hernández
- Instituto de Fisiología, Benemérita Universidad Autónoma de Puebla, Puebla C.P.72570, México.
| | | | | | - Elizabeth Nieto-Mendoza
- Laboratorio de neurofisiología del desarrollo y la neurodegeneración, UBIMED, FES-Iztacala, Universidad Nacional Autónoma de México, México, FES-Iztacala, Av. de Los Barrios #1, Los Reyes Iztacala, Tlalnepantla C.P.54090, México.
| | - Evelyn A Ruíz-Luna
- Instituto de Fisiología, Benemérita Universidad Autónoma de Puebla, Puebla C.P.72570, México.
| | - Elizabeth Hernández-Echeagaray
- Laboratorio de neurofisiología del desarrollo y la neurodegeneración, UBIMED, FES-Iztacala, Universidad Nacional Autónoma de México, México, FES-Iztacala, Av. de Los Barrios #1, Los Reyes Iztacala, Tlalnepantla C.P.54090, México.
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Tambasco N, Romoli M, Calabresi P. Selective basal ganglia vulnerability to energy deprivation: Experimental and clinical evidences. Prog Neurobiol 2018; 169:55-75. [DOI: 10.1016/j.pneurobio.2018.07.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 07/24/2018] [Accepted: 07/27/2018] [Indexed: 02/07/2023]
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Neuronal adenosine A 2A receptor overexpression is neuroprotective towards 3-nitropropionic acid-induced striatal toxicity: a rat model of Huntington's disease. Purinergic Signal 2018; 14:235-243. [PMID: 29770921 DOI: 10.1007/s11302-018-9609-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2017] [Accepted: 05/01/2018] [Indexed: 10/16/2022] Open
Abstract
The A2A adenosine receptor (A2AR) is widely distributed on different cellular types in the brain, where it exerts a broad spectrum of pathophysiological functions, and for which a role in different neurodegenerative diseases has been hypothesized or demonstrated. To investigate the role of neuronal A2ARs in neurodegeneration, we evaluated in vitro and in vivo the effect of the neurotoxin 3-nitropropionic acid (3-NP) in a transgenic rat strain overexpressing A2ARs under the control of the neural-specific enolase promoter (NSEA2A rats). We recorded extracellular field potentials (FP) in corticostriatal slice and found that the synaptotoxic effect of 3-NP was significantly reduced in NSEA2A rats compared with wild-type animals (WT). In addition, after exposing corticostriatal slices to 3-NP 10 mM for 2 h, we found that striatal cell viability was significantly higher in NSEA2A rats compared to control rats. These in vitro results were confirmed by in vivo experiments: daily treatment of female rats with 3-NP 10 mg/kg for 8 days induced a selective bilateral lesion in the striatum, which was significantly reduced in NSEA2A compared to WT rats. These results demonstrate that the overexpression of the A2AR selectively at the neuronal level reduced 3-NP-induced neurodegeneration, and suggest an important function of the neuronal A2AR in the modulation of neurodegeneration.
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Shalaby HN, El-Tanbouly DM, Zaki HF. Topiramate mitigates 3-nitropropionic acid-induced striatal neurotoxicity via modulation of AMPA receptors. Food Chem Toxicol 2018; 118:227-234. [PMID: 29753867 DOI: 10.1016/j.fct.2018.05.022] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2018] [Revised: 05/01/2018] [Accepted: 05/08/2018] [Indexed: 01/10/2023]
Abstract
Prevalence of glutamate receptor subunit 2 (GluR2)-lacking alpha-amino-3-hydroxy-5-methyl-4-isoxazole propionic acid (AMPA) receptors is a hallmark of excitotoxicity-related neurodegenerative diseases. Topiramate (TPM) is a structurally novel anticonvulsant with a well-known modulatory effects on AMPA/kainate subtypes of glutamate receptors. The present study aimed at investigating the neuroprotective potential of TPM on 3-nitropropionic acid (3-NP)-induced striatal neurodegeneration and Huntington's disease-like symptoms. Rats were injected with 3-NP (10 mg/kg/i.p.) for 14 days. TPM (50 mg/kg/p.o.) was given once a day, 1 h before 3-NP. TPM amended 3-NP induced changes in neurobehavioral performance, striatal neurotransmitters levels and histopathological injury. 3-NP control rats showed a significant ablation in the mRNA expression of Ca2+-impermeable Glu2R subunit along with an elevation in its regulatory protein (protein interacting with C kinase-1) PICK1, an effect that was largely reversed by TPM. TPM in addition, enhanced the phosphorylation of the protein kinase B/glycogen synthase kinase-3β/cAMP response element binding protein (Akt/GSK-3β/CREB) cue. Moreover, improvement in oxidative status, suppression of caspase-3 activity and restoration of striatal BDNF were noticed following treatment with TPM. The current study revealed that TPM boosted the neuroprotective (Akt/GSK-3β/CREB) pathway by its negative modulatory effect on AMPA glutamate receptors as well as its direct antioxidant property.
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Affiliation(s)
- Heba N Shalaby
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Dalia M El-Tanbouly
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt.
| | - Hala F Zaki
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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14
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Selection of antioxidants against ovarian oxidative stress in mouse model. J Biochem Mol Toxicol 2017; 31. [DOI: 10.1002/jbt.21997] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 08/16/2017] [Accepted: 08/25/2017] [Indexed: 01/01/2023]
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15
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Riew TR, Kim HL, Jin X, Choi JH, Shin YJ, Kim JS, Lee MY. Spatiotemporal expression of osteopontin in the striatum of rats subjected to the mitochondrial toxin 3-nitropropionic acid correlates with microcalcification. Sci Rep 2017; 7:45173. [PMID: 28345671 PMCID: PMC5366947 DOI: 10.1038/srep45173] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Accepted: 02/20/2017] [Indexed: 11/18/2022] Open
Abstract
Our aim was to elucidate whether osteopontin (OPN) is involved in the onset of mineralisation and progression of extracellular calcification in striatal lesions due to mitochondrial toxin 3-nitropropionic acid exposure. OPN expression had two different patterns when observed using light microscopy. It was either localised to the Golgi complex in brain macrophages or had a small granular pattern scattered in the affected striatum. OPN labelling tended to increase in number and size over a 2-week period following the lesion. Ultrastructural investigations revealed that OPN is initially localised to degenerating mitochondria within distal dendrites, which were then progressively surrounded by profuse OPN on days 7–14. Electron probe microanalysis of OPN-positive and calcium-fixated neurites indicated that OPN accumulates selectively on the surfaces of degenerating calcifying dendrites, possibly via interactions between OPN and calcium. In addition, 3-dimensional reconstruction of OPN-positive neurites revealed that they are in direct contact with larger OPN-negative degenerating dendrites rather than with fragmented cell debris. Our overall results indicate that OPN expression is likely to correlate with the spatiotemporal progression of calcification in the affected striatum, and raise the possibility that OPN may play an important role in the initiation and progression of microcalcification in response to brain insults.
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Affiliation(s)
- Tae-Ryong Riew
- Department of Anatomy, Catholic Neuroscience Institute, Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Hong Lim Kim
- Integrative Research Support Center, Laboratory of Electron Microscope, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Xuyan Jin
- Department of Anatomy, Catholic Neuroscience Institute, Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Jeong-Heon Choi
- Department of Anatomy, Catholic Neuroscience Institute, Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Yoo-Jin Shin
- Department of Anatomy, Catholic Neuroscience Institute, Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Ji Soo Kim
- Gumi Electronics &Information Technology Research Institute, Gumi, Korea
| | - Mun-Yong Lee
- Department of Anatomy, Catholic Neuroscience Institute, Cell Death Disease Research Center, College of Medicine, The Catholic University of Korea, Seoul, Korea
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16
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Mehan S, Parveen S, Kalra S. Adenyl cyclase activator forskolin protects against Huntington's disease-like neurodegenerative disorders. Neural Regen Res 2017; 12:290-300. [PMID: 28400813 PMCID: PMC5361515 DOI: 10.4103/1673-5374.200812] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Long term suppression of succinate dehydrogenase by selective inhibitor 3-nitropropionic acid has been used in rodents to model Huntington's disease where mitochondrial dysfunction and oxidative damages are primary pathological hallmarks for neuronal damage. Improvements in learning and memory abilities, recovery of energy levels, and reduction of excitotoxicity damage can be achieved through activation of Adenyl cyclase enzyme by a specific phytochemical forskolin. In this study, intraperitoneal administration of 10 mg/kg 3-nitropropionic acid for 15 days in rats notably reduced body weight, worsened motor cocordination (grip strength, beam crossing task, locomotor activity), resulted in learning and memory deficits, greatly increased acetylcholinesterase, lactate dehydrogenase, nitrite, and malondialdehyde levels, obviously decreased adenosine triphosphate, succinate dehydrogenase, superoxide dismutase, catalase, and reduced glutathione levels in the striatum, cortex and hippocampus. Intragastric administration of forskolin at 10, 20, 30 mg/kg dose-dependently reversed these behavioral, biochemical and pathological changes caused by 3-nitropropionic acid. These results suggest that forskolin exhibits neuroprotective effects on 3-nitropropionic acid-induced Huntington's disease-like neurodegeneration.
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Affiliation(s)
- Sidharth Mehan
- Department of Pharamcology, Rajendra Institute of Technology & Sciences, Sirsa, Haryana, India
| | - Shaba Parveen
- Department of Pharamcology, Rajendra Institute of Technology & Sciences, Sirsa, Haryana, India
| | - Sanjeev Kalra
- Department of Pharamcology, Rajendra Institute of Technology & Sciences, Sirsa, Haryana, India
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17
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Protective effect of Ficus religiosa (L.) against 3-nitropropionic acid induced Huntington disease. ACTA ACUST UNITED AC 2016. [DOI: 10.1007/s13596-016-0237-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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18
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L-theanine, a Component of Green Tea Prevents 3-Nitropropionic Acid (3-NP)-Induced Striatal Toxicity by Modulating Nitric Oxide Pathway. Mol Neurobiol 2016; 54:2327-2337. [DOI: 10.1007/s12035-016-9822-5] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2015] [Accepted: 02/29/2016] [Indexed: 01/30/2023]
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Jamwal S, Kumar P. Spermidine ameliorates 3-nitropropionic acid (3-NP)-induced striatal toxicity: Possible role of oxidative stress, neuroinflammation, and neurotransmitters. Physiol Behav 2016; 155:180-7. [DOI: 10.1016/j.physbeh.2015.12.015] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2015] [Revised: 12/10/2015] [Accepted: 12/14/2015] [Indexed: 01/22/2023]
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20
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Glat MJ, Ben-Zur T, Barhum Y, Offen D. Neuroprotective Effect of a DJ-1 Based Peptide in a Toxin Induced Mouse Model of Multiple System Atrophy. PLoS One 2016; 11:e0148170. [PMID: 26901405 PMCID: PMC4763099 DOI: 10.1371/journal.pone.0148170] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2015] [Accepted: 01/13/2016] [Indexed: 11/19/2022] Open
Abstract
Multiple System Atrophy (MSA) is a sporadic neurodegenerative disorder characterized by parkinsonism, cerebellar ataxia and dysautonomia, in various combinations. In MSA with parkinsonism (MSA-P), the degeneration is mainly restricted to the substantia nigra pars compacta and putamen. Studies have identified alterations in DJ-1 (PARK7), a key component of the anti-oxidative stress response, in Parkinson's disease (PD) and MSA patients. Previously we have shown that a short DJ-1-based peptide named ND-13, protected cultured cells against neurotoxic insults and improved behavioral outcome in animal models of Parkinson's disease (PD). In this study, we used the 3-Nitropropionic acid (3-NP)-induced mouse model of MSA and treated the animals with ND-13 in order to evaluate its therapeutic effects. Our results show that ND-13 protects cultured cells against oxidative stress generated by the mitochondrial inhibitor, 3-NP. Moreover, we show that ND-13 attenuates nigrostriatal degeneration and improves performance in motor-related behavioral tasks in 3-NP-treated mice. Our findings suggest a rationale for using ND-13 as a promising therapeutic approach for treatment of MSA.
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Affiliation(s)
| | - Tali Ben-Zur
- Felsenstein Medical Research Center, Sackler School of Medicine, Tel-Aviv University, Petach Tikva, Israel
| | - Yael Barhum
- Felsenstein Medical Research Center, Sackler School of Medicine, Tel-Aviv University, Petach Tikva, Israel
| | - Daniel Offen
- Sagol School of Neuroscience, Tel-Aviv University, Tel Aviv, Israel
- Felsenstein Medical Research Center, Sackler School of Medicine, Tel-Aviv University, Petach Tikva, Israel
- * E-mail:
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21
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Differential caspase activity in the cortex and striatum with chronic infusion of 3-nitropropionic acid. Biochem Biophys Res Commun 2015; 465:631-7. [PMID: 26297950 DOI: 10.1016/j.bbrc.2015.08.075] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Accepted: 08/17/2015] [Indexed: 12/24/2022]
Abstract
Systemic administration of 3-nitropropionic acid (3-NP) facilitates the development of select striatal lesions, and some reports provide clues about this pathology. In this study, we investigated the relationship between reduced levels of brain-derived neurotrophic factor (BDNF) in lesioned brain regions and caspase activity, as well as involvement of apoptosis signal-regulating kinase 1 (ASK1) in caspase activation. We analyzed apoptotic cell death, BDNF distribution, caspase-3 activity, caspase-6 activity, ASK1 expression level, and active ASK1 in the cortex and striatum. There were different levels and distributions of these factors within each sub-region. Caspase-6 activity was reduced with down-regulation of ASK1 in the cortex. BDNF protein levels did not decrease in the cortex, but there was replenishment of severely reduced BDNF in the striatum. The present study suggests that an increase in ASK1 in the damaged cortex is related to caspase-6 activation and is involved in cortical depletion of BDNF in the striatum. Furthermore, with systemic infusion of 3-NP, differential expression of ASK1 in the cortex and striatum suggests that this kinase may modulate caspase activation and striatal degeneration.
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22
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Kaur N, Jamwal S, Deshmukh R, Gauttam V, Kumar P. Beneficial effect of rice bran extract against 3-nitropropionic acid induced experimental Huntington's disease in rats. Toxicol Rep 2015; 2:1222-1232. [PMID: 28962465 PMCID: PMC5598492 DOI: 10.1016/j.toxrep.2015.08.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2015] [Revised: 07/28/2015] [Accepted: 08/08/2015] [Indexed: 11/30/2022] Open
Abstract
Huntington's disease (HD) is a neurodegenerative disorder, characterized by progressive motor and non-motor dysfunction due to degeneration of medium spiny neurons in striatum. 3-Nitropropionic acid is commonly used to induce the animal model of HD. Rice bran is supposed to have beneficial effects on mitochondrial function. The present study has been designed to explore the effect of rice bran extract against 3-Nitropropionic acid induced neurotoxicity in rats. 3-Nitropropionic acid (10 mg/kg, i.p) was administered systemically for 21 days. Hexane and ethanol extract of rice bran were prepared using Soxhlation. Hexane (250 mg/kg) and ethanol extract (250 mg/kg) were administered per os for 21 days in 3-NP treated groups. Behavioral parameters (body weight, grip strength, motor coordination, locomotion) were conducted on 7th, 14th and 21st day. Animals were sacrificed on 22nd day for biochemical, mitochondrial dysfunction (Complex II), neuroinflammatory and neurochemical estimation in striatum. This study demonstrates significant alteration in behavioral parameters, oxidative burden (increased lipid peroxidation, nitrite concentration and decreased glutathione), mitochondrial function (decreased Complex II enzyme activity), pro-inflammatory mediators and neurochemical levels in 3-nitropropionic acid treated animals. Administration of hexane and ethanol extract prevented the behavioral, biochemical, neuroinflammatory (increased TNF-α, IL-1β and IL-6) and neurochemical alterations (decreased dopamine, norepinephrine, serotonin, 5-hydroxy indole acetic acid, GABA and increased 3,4-dihydro phenyl acetaldehyde, homovanillic acid and glutamate levels) induced by 3-nitropropionic acid. The outcomes of present study suggest that rice bran extract is beneficial and might emerge as an adjuvant or prophylactic therapy for treatment of HD like symptoms.
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Affiliation(s)
- Navneet Kaur
- Department of Pharmacology, ISF College of Pharmacy, Moga 142001, Punjab, India
| | - Sumit Jamwal
- Department of Pharmacology, ISF College of Pharmacy, Moga 142001, Punjab, India
- Research Scholar, Punjab Technical University, Jalandhar, India
| | - Rahul Deshmukh
- Department of Pharmacology, ISF College of Pharmacy, Moga 142001, Punjab, India
| | - Vinod Gauttam
- Department of Pharmacognosy, ISF College of Pharmacy, Moga 142001, Punjab, India
| | - Puneet Kumar
- Department of Pharmacology, ISF College of Pharmacy, Moga 142001, Punjab, India
- Corresponding author.
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23
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Scheuing L, Chiu CT, Liao HM, Linares GR, Chuang DM. Preclinical and clinical investigations of mood stabilizers for Huntington's disease: what have we learned? Int J Biol Sci 2014; 10:1024-38. [PMID: 25285035 PMCID: PMC4183923 DOI: 10.7150/ijbs.9898] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Accepted: 07/08/2014] [Indexed: 12/20/2022] Open
Abstract
Huntington's disease (HD) is a lethal, autosomal dominant neurodegenerative disorder caused by CAG repeat expansions at exon 1 of the huntingtin (Htt) gene, which encodes for a mutant huntingtin protein (mHtt). Prominent symptoms of HD include motor dysfunction, characterized by chorea; psychiatric disturbances such as mood and personality changes; and cognitive decline that may lead to dementia. Pathologically multiple complex processes and pathways are involved in the development of HD, including selective loss of neurons in the striatum and cortex, dysregulation of cellular autophagy, mitochondrial dysfunction, decreased neurotrophic and growth factor levels, and aberrant regulation of gene expression and epigenetic patterns. No cure for HD presently exists, nor are there drugs that can halt the progression of this devastating disease. Therefore, the need to discover neuroprotective modalities to combat HD is critical. In basic and preclinical studies using cellular and animal HD models, the mood stabilizers lithium and valproic acid (VPA) have shown multiple beneficial effects, including behavioral and motor improvement, enhanced neuroprotection, and lifespan extension. Recent studies in transgenic HD mice support the notion that combined lithium/VPA treatment is more effective than treatment with either drug alone. In humans, several clinical studies of HD patients found that lithium treatment improved mood, and that VPA treatment both stabilized mood and moderately reduced chorea. In contrast, other studies observed that the hallmark features of HD were unaffected by treatment with either lithium or VPA. The current review discusses preclinical and clinical investigations of the beneficial effects of lithium and VPA on HD pathophysiology.
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Affiliation(s)
- Lisa Scheuing
- Molecular Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive MSC 1363, Bethesda, MD 20892-1363, USA
| | - Chi-Tso Chiu
- Molecular Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive MSC 1363, Bethesda, MD 20892-1363, USA
| | - Hsiao-Mei Liao
- Molecular Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive MSC 1363, Bethesda, MD 20892-1363, USA
| | - Gabriel R Linares
- Molecular Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive MSC 1363, Bethesda, MD 20892-1363, USA
| | - De-Maw Chuang
- Molecular Neurobiology Section, National Institute of Mental Health, National Institutes of Health, 10 Center Drive MSC 1363, Bethesda, MD 20892-1363, USA
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24
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Garraway SM, Woller SA, Huie JR, Hartman JJ, Hook MA, Miranda RC, Huang YJ, Ferguson AR, Grau JW. Peripheral noxious stimulation reduces withdrawal threshold to mechanical stimuli after spinal cord injury: role of tumor necrosis factor alpha and apoptosis. Pain 2014; 155:2344-59. [PMID: 25180012 DOI: 10.1016/j.pain.2014.08.034] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2014] [Revised: 08/12/2014] [Accepted: 08/26/2014] [Indexed: 01/23/2023]
Abstract
We previously showed that peripheral noxious input after spinal cord injury (SCI) inhibits beneficial spinal plasticity and impairs recovery of locomotor and bladder functions. These observations suggest that noxious input may similarly affect the development and maintenance of chronic neuropathic pain, an important consequence of SCI. In adult rats with a moderate contusion SCI, we investigated the effect of noxious tail stimulation, administered 1 day after SCI on mechanical withdrawal responses to von Frey stimuli from 1 to 28 days after treatment. In addition, because the proinflammatory cytokine tumor necrosis factor alpha (TNFα) is implicated in numerous injury-induced processes including pain hypersensitivity, we assessed the temporal and spatial expression of TNFα, TNF receptors, and several downstream signaling targets after stimulation. Our results showed that unlike sham surgery or SCI only, nociceptive stimulation after SCI induced mechanical sensitivity by 24h. These behavioral changes were accompanied by increased expression of TNFα. Cellular assessments of downstream targets of TNFα revealed that nociceptive stimulation increased the expression of caspase 8 and the active subunit (12 kDa) of caspase 3, indicative of active apoptosis at a time point consistent with the onset of mechanical allodynia. In addition, immunohistochemical analysis revealed distinct morphological signs of apoptosis in neurons and microglia at 24h after stimulation. Interestingly, expression of the inflammatory mediator NFκB was unaltered by nociceptive stimulation. These results suggest that noxious input caudal to the level of SCI can increase the onset and expression of behavioral responses indicative of pain, potentially involving TNFα signaling.
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Affiliation(s)
- Sandra M Garraway
- Department of Psychology, Texas A&M University, College Station, TX 77843, USA.
| | - Sarah A Woller
- Department of Psychology, Texas A&M University, College Station, TX 77843, USA
| | - J Russell Huie
- Department of Neurological Surgery, Brain and Spinal Injury Center (BASIC), University of California, San Francisco, 1001 Potrero Ave, Bldg 1, Room 101, San Francisco, CA 94110, USA
| | - John J Hartman
- Department of Psychology, Texas A&M University, College Station, TX 77843, USA
| | - Michelle A Hook
- Department of Psychology, Texas A&M University, College Station, TX 77843, USA
| | - Rajesh C Miranda
- Department of Neuroscience and Experimental Therapeutics, Texas A&M Health Science Center, College of Medicine, Medical Research and Education Bldg, 8447 State Highway 47, Bryan, TX 77807-3260, USA
| | - Yung-Jen Huang
- Department of Psychology, Texas A&M University, College Station, TX 77843, USA
| | - Adam R Ferguson
- Department of Neurological Surgery, Brain and Spinal Injury Center (BASIC), University of California, San Francisco, 1001 Potrero Ave, Bldg 1, Room 101, San Francisco, CA 94110, USA
| | - James W Grau
- Department of Psychology, Texas A&M University, College Station, TX 77843, USA
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25
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Gao Y, Chu SF, Li JP, Zuo W, Wen ZL, He WB, Yan JQ, Chen NH. Do glial cells play an anti-oxidative role in Huntington's disease? Free Radic Res 2014; 48:1135-44. [PMID: 24957138 DOI: 10.3109/10715762.2014.936432] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Oxidative stress is a condition of imbalance between reactive oxygen species (ROS) formation and antioxidant capacity as a result of dysfunction of the antioxidant system. ROS can be served as a second messenger at low or moderate concentration, while excessive amount of ROS under oxidative stress condition would destroy macromolecules like proteins, DNA, and lipids, finally leading to cell apoptosis or necrosis. Changes in these macromolecules are involved in various pathological changes and progression of diseases, especially neurodegenerative diseases. Neurodegenerative diseases are morphologically featured by progressive neuronal cell loss, accompanied with inclusions formed by protein aggregates in neurons or glial cells. Neurons have always received much more attention than glial cells in neurodegenerative diseases. Actually, glial cells might play a key role in the functioning of neurons and cellular survival through an antioxidant way. Additionally, neurons can modulate the activities of glia either. Herein, the main purposes of this review are to mention the connection between Huntington's disease (HD) and oxidative stress, to summarize the characteristics and functions of glial cells in HD, to state the cross talk between neurons and glial cells, and to emphasize the conclusive role of activation of Keap1-Nrf2-ARE pathway in glial cells against oxidative stress in HD.
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Affiliation(s)
- Y Gao
- Department of Pharmacology, State Key of Laboratory Bioactive Substances and Functions of Natural Medicines, Institute of MateriaMedica, Neuroscience Center, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing , P. R. China
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26
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Choudhary S, Kumar P, Malik J. Plants and phytochemicals for Huntington's disease. Pharmacogn Rev 2014; 7:81-91. [PMID: 24347915 PMCID: PMC3841999 DOI: 10.4103/0973-7847.120505] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Revised: 04/05/2013] [Accepted: 10/25/2013] [Indexed: 01/24/2023] Open
Abstract
Huntington's disease (HD) is a neurodegenerative disorder characterized by progressive motor dysfunction, including chorea and dystonia, emotional disturbances, memory, and weight loss. The medium spiny neurons of striatum and cortex are mainly effected in HD. Various hypotheses, including molecular genetics, oxidative stress, excitotoxicity, metabolic dysfunction, and mitochondrial impairment have been proposed to explain the pathogenesis of neuronal dysfunction and cell death. Despite no treatment is available to fully stop the progression of the disease, there are treatments available to help control the chorea. The present review deals with brief pathophysiology of the disease, plants and phytochemicals that have shown beneficial effects against HD like symptoms. The literature for the current review was collected using various databases such as Science direct, Pubmed, Scopus, Sci-finder, Google Scholar, and Cochrane database with a defined search strategy.
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Affiliation(s)
- Sunayna Choudhary
- Department of Pharmacognosy, ISF College of Pharmacy, Moga, Punjab, India
| | - Puneet Kumar
- Department of Pharmacology, ISF College of Pharmacy, Moga, Punjab, India
| | - Jai Malik
- Department of Pharmacognosy, ISF College of Pharmacy, Moga, Punjab, India
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27
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Zhang JQ, Shen M, Zhu CC, Yu FX, Liu ZQ, Ally N, Sun SC, Li K, Liu HL. 3-Nitropropionic acid induces ovarian oxidative stress and impairs follicle in mouse. PLoS One 2014; 9:e86589. [PMID: 24505260 PMCID: PMC3914797 DOI: 10.1371/journal.pone.0086589] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2013] [Accepted: 12/12/2013] [Indexed: 12/19/2022] Open
Abstract
Oxidative stress induces many serious reproductive diseases in female mammals and thus poses a serious threat to reproductive health. However, the relationship between reactive oxygen species (ROS)-induced oxidative stress and follicular development, oocyte and embryo quality is not clear. The aim of this study was to investigate the effect of ovarian oxidative stress on the health of follicle and oocyte development. Female ICR mice were dosed with 3-nitropropionic acid (3-NPA) at three different concentrations (6.25, 12.5 and 25 mg/kg) and saline (control) via continuous intraperitoneal injection for 7 days. The treatment with 12.5 mg/kg reduced the weight of mouse ovaries, and significantly increased ROS levels and the activities of antioxidant enzymes--total superoxide dismutase (T-SOD), glutathione peroxidase (GPx) and catalase (CAT)--in granulosa cells and ovarian tissues, but not in other tissues (brain, liver, kidney and spleen). The same treatment significantly increased the percentage of atretic large follicles, and reduced the number of large follicles, the number of ovulated oocytes, and the capacity for early embryonic development compared with controls. It also significantly decreased the ratio of Bcl-2 to Bax, while causing an increase in the mRNA expression of (SOD2, CAT and GP X) and ROS levels in granulosa cells. Collectively, these data indicate that 3-NPA induces granulosa cell apoptosis, large follicle atresia, and an increase of ROS levels in the ovary. Therefore, we have established an in vivo model of ovarian oxidative stress for studying the mechanism of resulting damage induced by free radicals and for the screening of novel antioxidants.
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Affiliation(s)
- Jia-Qing Zhang
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Ming Shen
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Cheng-Cheng Zhu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Feng-Xiang Yu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Ze-Qun Liu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Nazim Ally
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Shao-Chen Sun
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Kui Li
- Key Laboratory of Farm Animal Genetic Resources and Germplasm Innovation of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Hong-Lin Liu
- Department of Animal Genetics, Breeding and Reproduction, College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
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Melnik BC, Schmitz G. Are therapeutic effects of antiacne agents mediated by activation of FoxO1 and inhibition of mTORC1? Exp Dermatol 2013; 22:502-4. [PMID: 23800068 PMCID: PMC3746104 DOI: 10.1111/exd.12172] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/10/2013] [Indexed: 12/16/2022]
Abstract
Acne pathogenesis has recently been linked to decreased nuclear FoxO1 levels and increased mTORC1 activity. This hypothesis postulates that antiacne agents either enhance nuclear FoxO activity or inhibit mTORC1. Benzoyl peroxide (BPO), by activation of oxidative stress-inducible kinases, increases nuclear FoxO levels promoting Sestrin3-mediated AMPK activation. Furthermore, BPO-derived ROS may activate AMPK via ataxia-telangiectasia mutated. Isotretinoin and all-trans retinoic acid may stimulate FoxO gene expression. Doxycycline may enhance FoxOs nuclear retention by inhibiting the expression of exportin 1. Suppression of TNFα signalling by tetracyclines, erythromycin and other macrolides may attenuate IKKβ-TSC1-mediated mTORC1 activation. Erythromycin attenuates ERK1/2 activity and thereby increases TSC2. Azelaic acid may decrease mTORC1 by inhibiting mitochondrial respiration, increasing cellular ROS and nuclear FoxO levels. Antiandrogens may attenuate mTORC1 by suppressing mTORC2-mediated Akt/TSC2 signalling. This hypothesis unmasks a common mode of action of antiacne agents as either FoxO enhancers or mTORC1 inhibitors and thus provides a rational approach for the development of new antiacne agents.
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Akopian G, Crawford C, Petzinger G, Jakowec MW, Walsh JP. Brief mitochondrial inhibition causes lasting changes in motor behavior and corticostriatal synaptic physiology in the Fischer 344 rat. Neuroscience 2012; 215:149-59. [PMID: 22554779 PMCID: PMC3371111 DOI: 10.1016/j.neuroscience.2012.04.060] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2012] [Revised: 04/19/2012] [Accepted: 04/25/2012] [Indexed: 11/26/2022]
Abstract
The striatum is particularly vulnerable to mitochondrial dysfunction and this problem is linked to pathology created by environmental neurotoxins, stimulants like amphetamine, and metabolic disease and ischemia. We studied the course of recovery following a single systemic injection of the mitochondrial complex II inhibitor 3-nitropropionic acid (3-NP) and found 3-NP caused lasting changes in motor behavior that were associated with altered activity-dependent plasticity at corticostriatal synapses in Fischer 344 rats. The changes in synapse behavior varied with the time after exposure to the 3-NP injection. The earliest time point studied, 24h after 3-NP, revealed 3-NP-induced an exaggeration of D1 Dopamine (DA) receptor dependent long-term potentiation (LTP) that reversed to normal by 48 h post-3-NP exposure. Thereafter, the likelihood and degree of inducing D2 DA receptor dependent long-term depression (LTD) gradually increased, relative to saline controls, peaking at 1 month after the 3-NP exposure. NMDA receptor binding did not change over the same post 3-NP time points. These data indicate even brief exposure to 3-NP can have lasting behavioral effects mediated by changes in the way DA and glutamate synapses interact.
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Affiliation(s)
- G Akopian
- Davis School of Gerontology, University of Southern California, Los Angeles, CA 90089-0191, USA
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Shen M, Lin F, Zhang J, Tang Y, Chen WK, Liu H. Involvement of the up-regulated FoxO1 expression in follicular granulosa cell apoptosis induced by oxidative stress. J Biol Chem 2012; 287:25727-40. [PMID: 22669940 DOI: 10.1074/jbc.m112.349902] [Citation(s) in RCA: 134] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Follicular atresia is common in female mammalian ovaries, where most follicles undergo degeneration at any stage of growth and development. Oxidative stress gives rise to triggering granulosa cell apoptosis, which has been suggested as a major cause of follicular atresia. However, the underlying mechanism by which the oxidative stress induces follicular atresia remains unclear. FoxO transcription factors are known as critical mediators in the regulation of oxidative stress and apoptosis. In this study, the involvement of FoxO1 in oxidative stress-induced apoptosis of mouse follicular granulosa cells (MGCs) was investigated in vivo and in vitro. It was observed that increased apoptotic signals correlated with elevated expression of FoxO1 in MGCs when mice were treated with the oxidant. Correspondingly, the expressions of FoxO1 target genes, such as proapoptotic genes and antioxidative genes, were also up-regulated. In primary cultured MGCs, treatment with H(2)O(2) led to FoxO1 nuclear translocation. Further studies with overexpression and knockdown of FoxO1 demonstrated the critical role of FoxO1 in the induction of MGC apoptosis by oxidative stress. Finally, inactivation of FoxO1 by insulin treatment confirmed that FoxO1 induced by oxidative stress played a pivotal role in up-regulating the expression of downstream apoptosis-related genes in MGCs. Our results suggest that up-regulation of FoxO1 by oxidative stress leads to apoptosis of granulosa cells, which eventually results in follicular atresia in mice.
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Affiliation(s)
- Ming Shen
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China
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31
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Breuer ME, Willems PHGM, Russel FGM, Koopman WJH, Smeitink JAM. Modeling mitochondrial dysfunctions in the brain: from mice to men. J Inherit Metab Dis 2012; 35:193-210. [PMID: 21755361 PMCID: PMC3278625 DOI: 10.1007/s10545-011-9375-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2011] [Revised: 06/20/2011] [Accepted: 06/27/2011] [Indexed: 12/12/2022]
Abstract
The biologist Lewis Thomas once wrote: "my mitochondria comprise a very large proportion of me. I cannot do the calculation, but I suppose there is almost as much of them in sheer dry bulk as there is the rest of me". As humans, or indeed as any mammal, bird, or insect, we contain a specific molecular makeup that is driven by vast numbers of these miniscule powerhouses residing in most of our cells (mature red blood cells notwithstanding), quietly replicating, living independent lives and containing their own DNA. Everything we do, from running a marathon to breathing, is driven by these small batteries, and yet there is evidence that these molecular energy sources were originally bacteria, possibly parasitic, incorporated into our cells through symbiosis. Dysfunctions in these organelles can lead to debilitating, and sometimes fatal, diseases of almost all the bodies' major organs. Mitochondrial dysfunction has been implicated in a wide variety of human disorders either as a primary cause or as a secondary consequence. To better understand the role of mitochondrial dysfunction in human disease, a multitude of pharmacologically induced and genetically manipulated animal models have been developed showing to a greater or lesser extent the clinical symptoms observed in patients with known and unknown causes of the disease. This review will focus on diseases of the brain and spinal cord in which mitochondrial dysfunction has been proven or is suspected and on animal models that are currently used to study the etiology, pathogenesis and treatment of these diseases.
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Affiliation(s)
- Megan E Breuer
- Department of Biochemistry, Nijmegen Centre for Molecular Life Sciences, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands.
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Sandhir R, Sood A, Mehrotra A, Kamboj SS. N-Acetylcysteine reverses mitochondrial dysfunctions and behavioral abnormalities in 3-nitropropionic acid-induced Huntington's disease. NEURODEGENER DIS 2012; 9:145-57. [PMID: 22327485 DOI: 10.1159/000334273] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Accepted: 09/23/2011] [Indexed: 11/19/2022] Open
Abstract
Mitochondrial dysfunction is a major event involved in the pathogenesis of Huntington's disease (HD). The present study evaluates the role of N-acetyl-L-cysteine (NAC) in preventing mitochondrial dysfunctions in a 3-nitropropionic acid (3-NP)-induced model of HD. Administration of 3-NP to rats (Wistar strain) resulted in significant inhibition of mitochondrial complexes II, IV and V in the striatum. However, no significant effect on complex I was observed. Increased generation of reactive oxygen species and lipid peroxidation was observed in mitochondria of 3-NP-treated animals. Endogenous antioxidants (thiols and manganese-superoxide dismutase) were lowered in mitochondria of 3-NP-treated animals. 3-NP-treated animals showed increased cytosolic cytochrome c levels and mitochondrial swelling. Increased expressions of caspase-3 and p53 were also observed in 3-NP-treated animals. Histopathological examination of the striata of 3-NP-treated animals revealed increased neural space, neurodegeneration and gliosis. This was accompanied by cognitive and motor deficits. NAC treatment, on the other hand, was found to be effective in reversing 3-NP-induced mitochondrial dysfunctions and neurobehavioral deficits. Our findings suggest a beneficial effect of NAC in HD.
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Affiliation(s)
- Rajat Sandhir
- Department of Biochemistry, Panjab University, Chandigarh, India.
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Gopinath K, Prakash D, Sudhandiran G. Neuroprotective effect of naringin, a dietary flavonoid against 3-nitropropionic acid-induced neuronal apoptosis. Neurochem Int 2011; 59:1066-73. [PMID: 21945202 DOI: 10.1016/j.neuint.2011.08.022] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2011] [Revised: 08/11/2011] [Accepted: 08/30/2011] [Indexed: 12/21/2022]
Abstract
The aim of this study was to investigate the protective effect of naringin, a flavonoid on 3-Nitropropionic acid (3-NP)-induced neurodegeneration through the modulation of intrinsic apoptotic cascade in Wistar rats. 3-NP is an irreversible inhibitor of complex II in the mitochondria. 3-NP-induced neurodegeneration has been widely used as an animal model of Huntington's disease (HD). Increased oxidative stress is one of the major deleterious events in 3-NP-induced neuronal apoptosis. Rats administered with 3-NP showed increase in the levels of lipid peroxidation and protein carbonyl, which was significantly decreased upon naringin treatment (80 mg/kg body weight). 3-NP-induced rats showed decrease in the activities of enzymic antioxidants and reduced levels of non-enzymic antioxidants. Naringin treatment ameliorated the antioxidant status by increasing the activities of enzymic antioxidants and the levels of non-enzymatic antioxidants. 3-NP-induced rats showed decrease in the activities of ATPases in striatum, which was restored to normal level upon naringin treatment. Histopathological observation of the striatal tissue showed protective role of naringin in 3-NP-induced rats. Naringin also reduced the 3-NP-induced apoptosis via decrease in the cytochrome c release from mitochondria and caspase 3 activation as revealed by Western blot. Naringin treatment also decreased the expressions of pro-apoptotic markers like Bad and Bax. Further, naringin antagonized 3-NP-induced decrease in Bcl-2 mRNA expression. The results of this study show evidence on the neuroprotective effect of naringin against 3-NP-induced neuronal apoptosis through its antioxidant and anti-apoptotic effects.
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Affiliation(s)
- Kulasekaran Gopinath
- Department of Biochemistry, Cell Biology Laboratory, University of Madras, Guindy Campus, Chennai 600025, Tamil Nadu, India
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Choi YK, Cho GS, Hwang S, Kim BW, Lim JH, Lee JC, Kim HC, Kim WK, Kim YS. Methyleugenol reduces cerebral ischemic injury by suppression of oxidative injury and inflammation. Free Radic Res 2011; 44:925-35. [PMID: 20815773 DOI: 10.3109/10715762.2010.490837] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
The present study tested the cytoprotective effect of methyleugenol in an in vivo ischemia model (i.e. middle cerebral artery occlusion (MCAO) for 1.5 h and subsequent reperfusion for 24 h) and further investigated its mechanism of action in in vitro cerebral ischemic models. When applied shortly after reperfusion, methyleugenol largely reduced cerebral ischemic injury. Methyleugenol decreased the caspase-3 activation and death of cultured cerebral cortical neurons caused by oxygen-glucose deprivation (OGD) for 1 h and subsequent re-oxygenation for 24 h. Methyleugenol markedly reduced superoxide generation in the ischemic brain and decreased the intracellular oxidative stress caused by OGD/re-oxygenation. It was found that methyleugenol elevated the activities of superoxide dismutase and catalase. Further, methyleugenol inhibited the production of nitric oxide and decreased the protein expression of inducible nitric oxide synthase. Methyleugenol down-regulated the production of pro-inflammatory cytokines in the ischemic brain as well as in immunostimulated mixed glial cells. The results indicate that methyleugenol could be useful for the treatment of ischemia/inflammation-related diseases.
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Affiliation(s)
- Yoo Keum Choi
- College of Pharmacy, Seoul National University, Seoul, Republic of Korea
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35
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Fuentes-Broto L, Miana-Mena FJ, Piedrafita E, Berzosa C, Martínez-Ballarín E, García-Gil FA, Reiter RJ, García JJ. Melatonin protects against taurolithocholic-induced oxidative stress in rat liver. J Cell Biochem 2010; 110:1219-25. [PMID: 20564217 DOI: 10.1002/jcb.22636] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Cholestasis, encountered in a variety of clinical disorders, is characterized by intracellular accumulation of toxic bile acids in the liver. Furthermore, oxidative stress plays an important role in the pathogenesis of bile acids. Taurolithocholic acid (TLC) was revealed in previous studies as the most pro-oxidative bile acid. Melatonin, a well-known antioxidant, is a safe and widely used therapeutic agent. Herein, we investigated the hepatoprotective role of melatonin on lipid and protein oxidation induced by TLC alone and in combination with FeCl(3) and ascorbic acid in rat liver homogenates and hepatic membranes. The lipid peroxidation products, malondialdehyde and 4-hydroxyalkenals (MDA + 4-HDA), and carbonyl levels were quantified as indices of oxidative damage to hepatic lipids and proteins, respectively. In the current study, the rise in MDA + 4-HDA levels induced by TLC was inhibited by melatonin in a concentration-dependent manner in both liver homogenates and in hepatic membranes. Melatonin also had protective effects against structural damage to proteins induced by TLC in membranes. These results suggest that the indoleamine melatonin may potentially act as a protective agent in the therapy of those diseases that involve bile acid toxicity.
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Affiliation(s)
- Lorena Fuentes-Broto
- Department of Pharmacology and Physiology, Universidad de Zaragoza, Zaragoza, Spain
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36
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Cho KJ, Kim HJ, Park SC, Kim HW, Kim GW. Decisive role of apurinic/apyrimidinic endonuclease/Ref-1 in initiation of cell death. Mol Cell Neurosci 2010; 45:267-76. [PMID: 20637286 DOI: 10.1016/j.mcn.2010.07.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2010] [Revised: 06/03/2010] [Accepted: 07/04/2010] [Indexed: 11/16/2022] Open
Abstract
The apurinic/apyrimidinic endonuclease/redox effector factor-1 (APE/Ref-1) is involved in the base excision repair of apurinic/apyrimidinic sites induced by oxidative DNA damage. APE/Ref-1 was decreased by kainic acid (KA) injury in a time-dependent manner at the level of proteins, not transcripts. We investigated whether alteration of APE/Ref-1 amounts would influence hippocampal cell fate, survival or death, after KA injury. Overexpression of APE/Ref-1 using adenovirus and restoration of APE small peptides significantly reduced KA-induced hippocampal cell death. Both silencing of APE/Ref-1 by siRNA and inhibition of endonuclease by an antibody significantly increased caspase-3 activity and apoptotic cell death triggered from the early time after exposure to KA. These findings suggest that cell death is initiated by reducing APE/Ref-1 protein and inhibiting its repair function in spite of enough protein amounts. In conclusion, APE/Ref-1 may be a regulator of cell death initiation, and APE small peptides could provide molecular mechanism-based therapies for neuroprotection in progressive excitotoxic neuronal damage.
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Affiliation(s)
- Kyoung Joo Cho
- Department of Neurology, Brain Korea 21 Project for Medical Science, College of Medicine, Yonsei University, 134, Sinchon-dong, Seodaemun-gu, Seoul, 120-752, Republic of Korea
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Costa C, Tozzi A, Luchetti E, Siliquini S, Belcastro V, Tantucci M, Picconi B, Ientile R, Calabresi P, Pisani F. Electrophysiological actions of zonisamide on striatal neurons: Selective neuroprotection against complex I mitochondrial dysfunction. Exp Neurol 2010; 221:217-24. [DOI: 10.1016/j.expneurol.2009.11.002] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2009] [Revised: 11/02/2009] [Accepted: 11/03/2009] [Indexed: 12/21/2022]
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Lagoa R, Lopez-Sanchez C, Samhan-Arias AK, Gañan CM, Garcia-Martinez V, Gutierrez-Merino C. Kaempferol protects against rat striatal degeneration induced by 3-nitropropionic acid. J Neurochem 2009; 111:473-87. [DOI: 10.1111/j.1471-4159.2009.06331.x] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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39
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Pedraza-Chaverrí J, Reyes-Fermín LM, Nolasco-Amaya EG, Orozco-Ibarra M, Medina-Campos ON, González-Cuahutencos O, Rivero-Cruz I, Mata R. ROS scavenging capacity and neuroprotective effect of α-mangostin against 3-nitropropionic acid in cerebellar granule neurons. ACTA ACUST UNITED AC 2009; 61:491-501. [DOI: 10.1016/j.etp.2008.11.002] [Citation(s) in RCA: 97] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2008] [Revised: 10/25/2008] [Accepted: 11/12/2008] [Indexed: 12/16/2022]
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Ryu JK, Jantaratnotai N, McLarnon JG. Thalidomide inhibition of vascular remodeling and inflammatory reactivity in the quinolinic acid-injected rat striatum. Neuroscience 2009; 163:601-8. [PMID: 19591904 DOI: 10.1016/j.neuroscience.2009.07.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2009] [Revised: 06/30/2009] [Accepted: 07/05/2009] [Indexed: 11/25/2022]
Abstract
Effects of thalidomide administration on vascular remodeling, gliosis and neuronal viability have been studied in excitotoxin-injected rat striatum. Intrastriatal injection of quinolinic acid (QUIN) caused time-dependent changes (durations of 6 h, 1 and 7 d post-injection) in vascular remodeling. QUIN excitotoxic insult was associated with increased numbers of vessels (laminin or collagen IV markers) demonstrating considerable abnormalities in morphology, including short fragments and vascular loops. Non-lesioned striatum, with injection of phosphate buffer solution (PBS) as a vehicle, showed no evidence for vascular remodeling. A maximal extent of vascular remodeling was measured at 1 d post-QUIN and was correlated with marked increases in microgliosis (ED1 marker) and astrogliosis (glial fibrillary acidic protein [GFAP] marker) relative to control PBS injection. Double staining of laminin with ED1 and GFAP demonstrated areas of close association of glial cells with blood vessels. Treatment of QUIN-injected animals with the anti-inflammatory compound, thalidomide significantly inhibited vascular remodeling (by 43%) and reduced microgliosis (by 33%) but was ineffective in modifying extents of astrogliosis. Intrastriatal QUIN injection was associated with a marked loss of striatal neurons relative to non-lesioned control with thalidomide treatment exhibiting a significant degree of neuroprotection (24% recovery) against QUIN-induced neurotoxicity. These results suggest close links between microglial-mediated inflammatory responses and vascular remodeling, with inflammatory reactivity associated with, and contributing to, neuronal damage in excitotoxically-lesioned striatum.
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Affiliation(s)
- J K Ryu
- Department of Anesthesiology, Pharmacology and Therapeutics, Faculty of Medicine, 2176 Health Sciences Mall, University of British Columbia, Vancouver, BC, Canada
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Metabonomic characterization of the 3-nitropropionic acid rat model of Huntington's disease. Neurochem Res 2009; 34:1261-71. [PMID: 19148750 DOI: 10.1007/s11064-008-9904-5] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/23/2008] [Indexed: 10/21/2022]
Abstract
3-Nitropropionic acid (3-NP)-induced neurotoxicity can be used as a model for the genetic neurodegenerative disorder Huntington's disease (HD). A metabolic profiling strategy was adopted to explore the biochemical consequences of 3-NP administered to rats in specific brain regions. (1)H NMR spectroscopy was used to characterize the metabolite composition of several brain regions following 3-NP-intoxication. Dose-dependent increases in succinate levels were observed in all neuroanatomical regions, resulting from the 3-NP-induced inhibition of succinate dehydrogenase. Global decreases in taurine and GABA were observed in the majority of brain regions, whereas altered lipid profiles were observed only in the globus pallidus and dorsal striatum. Depleted phosphatidylcholine and elevated glycerol levels, which are indicative of apoptosis, were also observed in the frontal cortex of the 3-NP model. Many of the metabolic anomalies are consistent with those reported in HD. The 3-NP-induced model of HD provides a means of monitoring potential mechanisms of pathology and therapeutic response for drug interventions, which can be efficiently assessed using metabolic profiling strategies.
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Do in vivo experimental models reflect human cerebral small vessel disease? A systematic review. J Cereb Blood Flow Metab 2008; 28:1877-91. [PMID: 18698331 DOI: 10.1038/jcbfm.2008.91] [Citation(s) in RCA: 185] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Cerebral small vessel disease (SVD) is a major cause of stroke and dementia. Pathologically, three lesions are seen: small vessel arteriopathy, lacunar infarction, and diffuse white matter injury (leukoaraiosis). Appropriate experimental models would aid in understanding these pathologic states and also in preclinical testing of therapies. The objective was to perform a systematic review of animal models of SVD and determine whether these resemble four key clinicopathologic features: (1) small, discrete infarcts; (2) small vessel arteriopathy; (3) diffuse white matter damage; (4) cognitive impairment. Fifteen different models were included, under four categories: (1) embolic injuries (injected blood clot, photochemical, detergent-evoked); (2) hypoperfusion/ischaemic injury (bilateral common carotid occlusion/stenosis, striatal endothelin-1 injection, striatal mitotoxin 3-NPA); (3) hypertension-based injuries (surgical narrowing of the aorta, or genetic mutations, usually in the renin-angiotensin system); (4) blood vessel damage (injected proteases, endothelium-targeting viral infection, or genetic mutations affecting vessel walls). Chronic hypertensive models resembled most key features of SVD, and shared the major risk factors of hypertension and age with human SVD. The most-used model was the stroke-prone spontaneously hypertensive rat (SHR-SP). No model described all features of the human disease. The optimal choice of model depends on the aspect of pathophysiology being studied.
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Orozco-Ibarra M, Estrada-Sánchez AM, Massieu L, Pedraza-Chaverrí J. Heme oxygenase-1 induction prevents neuronal damage triggered during mitochondrial inhibition: role of CO and bilirubin. Int J Biochem Cell Biol 2008; 41:1304-14. [PMID: 19063990 DOI: 10.1016/j.biocel.2008.11.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2008] [Revised: 11/10/2008] [Accepted: 11/11/2008] [Indexed: 12/11/2022]
Abstract
Heme oxygenase (HO) catalyzes the breakdown of heme to iron, carbon monoxide (CO), and biliverdin, the latter being further reduced to bilirubin (BR). A protective role of the inducible isoform, HO-1, has been described in pathological conditions associated with reactive oxygen species (ROS) and oxidative damage. The aim of this study was to investigate the role of HO-1 in the neurotoxicity induced by the mitochondrial toxin 3-nitropropionic acid (3-NP) in primary cultures of cerebellar granule neurons (CGNs). Toxicity of 3-NP is associated with ROS production, and this metabolic toxin has been used to mimic pathological conditions such as Huntington's disease. We found that cell death caused by 3-NP exposure was exacerbated by inhibition of HO with tin mesoporphyrin (SnMP). In addition, HO-1 up-regulation induced by the exposure to cobalt protoporphyrin (CoPP) before the incubation with 3-NP, prevented the cell death and the increase in ROS induced by 3-NP. Interestingly, addition of SnMP to CoPP-pretreated CGNs exposed to 3-NP, abolished the protective effect of CoPP suggesting that HO activity was responsible for this protective effect. This was additionally supported by the fact that CORM-2, a CO-releasing molecule, and BR, were able to protect against cell death and the increase in ROS induced by 3-NP. Our data clearly show that HO-1 elicits in CGNs a neuroprotective action against the neurotoxicity of 3-NP and that CO and BR may be involved, at least in part, in this protective effect. The present results increase our knowledge about the role of HO-1 in neuropathological conditions.
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Affiliation(s)
- Marisol Orozco-Ibarra
- Facultad de Química, Departamento de Biología, Universidad Nacional Autónoma de México, Ciudad Universitaria, 04510 México DF, Mexico
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Duran-Vilaregut J, del Valle J, Camins A, Pallàs M, Pelegrí C, Vilaplana J. Blood-brain barrier disruption in the striatum of rats treated with 3-nitropropionic acid. Neurotoxicology 2008; 30:136-43. [PMID: 19026682 DOI: 10.1016/j.neuro.2008.10.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2008] [Revised: 10/17/2008] [Accepted: 10/19/2008] [Indexed: 12/15/2022]
Abstract
3-nitropropionic acid (3-NPA) is a natural toxin that is used to induce models of Huntington's disease (HD) in experimental animals. Here we injected 3-NPA into Sprague-Dawley rats in order to evaluate its effects on the blood-brain barrier (BBB). Evans blue (EB) extravasation was used to identify injured areas in the brains of the treated animals and immunostainings of endothelial brain barrier antigen (EBA), zona occludens-1 (ZO-1) and laminin were used as markers to characterize the effects of the neurotoxin on the BBB. Treated rats had a significant loss of body weight compared to controls, and a correlation between motor affectation and body weight loss was observed in the former. The lateral part of the striatum was specifically injured in treated animals and the BBB almost disappeared in the core of the injured areas, as evidenced by a high EB extravasation and severe alterations of the immunostainings of the three BBB integrity markers compared to those of control animals. We conclude that the BBB is severely affected in the 3-NPA rat model of HD and that disruption of this barrier is a crucial event during the development of this disease.
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Affiliation(s)
- Joaquim Duran-Vilaregut
- Departament de Fisiologia, Facultat de Farmàcia, Universitat de Barcelona, Av. Joan XXIII s/n, 08028 Barcelona, Spain
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Decreased striatal dopamine release underlies increased expression of long-term synaptic potentiation at corticostriatal synapses 24 h after 3-nitropropionic-acid-induced chemical hypoxia. J Neurosci 2008; 28:9585-97. [PMID: 18799690 DOI: 10.1523/jneurosci.5698-07.2008] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The striatum is particularly sensitive to the irreversible inhibitor of succinate dehydrogenase 3-nitropropionic acid (3-NP). In the present study, we examined early changes in behavior and dopamine and glutamate synaptic physiology created by a single systemic injection of 3-NP in Fischer 344 rats. Hindlimb dystonia was seen 2 h after 3-NP injections, and rats performed poorly on balance beam and rotarod motor tests 24 h later. Systemic 3-NP increased NMDA receptor-dependent long-term potentiation (LTP) at corticostriatal synapses over the same time period. The 3-NP-induced corticostriatal LTP was not attributable to increased NMDA receptor number or function, because 3-NP did not change MK-801 [(+)-5-methyl-10,11-dihydro-5H-dibenzo[a,d]cyclohepten-5,10-imine] binding or NMDA/AMPA receptor current ratios. The LTP seen 24 h after 3-NP was D(1) receptor dependent and reversed by exogenous addition of dopamine or a D(2) receptor agonist to brain slices. HPLC and fast-scan cyclic voltammetry revealed a decrease in dopamine content and release in rats injected 24 h earlier with 3-NP, and much like the enhanced LTP, dopamine changes were reversed by 48 h. Tyrosine hydroxylase expression was not changed, and there was no evidence of striatal cell loss at 24-48 h after 3-NP exposure. Sprague Dawley rats showed similar physiological responses to systemic 3-NP, albeit with reduced sensitivity. Thus, 3-NP causes significant changes in motor behavior marked by parallel changes in striatal dopamine release and corticostriatal synaptic plasticity.
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Nasr P, Carbery T, Geddes JW. N-methyl-D-aspartate receptor antagonists have variable affect in 3-nitropropionic acid toxicity. Neurochem Res 2008; 34:490-8. [PMID: 18688711 DOI: 10.1007/s11064-008-9809-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2008] [Accepted: 07/15/2008] [Indexed: 11/28/2022]
Abstract
There is accumulating evidence that excitotoxicity and oxidative stress resulting from excessive activation of glutamate (N-methyl-D-aspartate) NMDA receptors are major participants in striatal degeneration associated with 3-nitropropionic acid (3NP) administration. Although excitotoxic and oxidative mechanisms are implicated in 3NP toxicity, there are conflicting reports as to whether NMDA receptor antagonists attenuate or exacerbate the 3NP-induced neurodegeneration. In the present study, we investigated the involvement of NMDA receptors in striatal degeneration, protein oxidation and motor impairment following systemic 3NP administration. We examined whether NMDA receptor antagonists, memantine and ifenprodil, influence the neurotoxicity of 3NP. The development of striatal lesion and protein oxidation following 3NP administration is delayed by memantine but not affected by ifenprodil. However, in behavioral experiments, memantine failed to improve and ifenprodil exacerbated the motor deficits associated with 3NP toxicity. Together, these findings suggest caution in the application of NMDA receptor antagonists as a neuroprotective agent in neurodegenerative disorders associated with metabolic impairment.
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Affiliation(s)
- Payman Nasr
- Department of Biological Sciences, Kent State University, Ashtabula, OH 44004, USA.
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Fogal B, Hewett SJ. Interleukin-1beta: a bridge between inflammation and excitotoxicity? J Neurochem 2008; 106:1-23. [PMID: 18315560 DOI: 10.1111/j.1471-4159.2008.05315.x] [Citation(s) in RCA: 110] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Interleukin-1 (IL-1) is a proinflammatory cytokine released by many cell types that acts in both an autocrine and/or paracrine fashion. While IL-1 is best described as an important mediator of the peripheral immune response during infection and inflammation, increasing evidence implicates IL-1 signaling in the pathogenesis of several neurological disorders. The biochemical pathway(s) by which this cytokine contributes to brain injury remain(s) largely unidentified. Herein, we review the evidence that demonstrates the contribution of IL-1beta to the pathogenesis of both acute and chronic neurological disorders. Further, we highlight data that leads us to propose IL-1beta as the missing mechanistic link between a potential beneficial inflammatory response and detrimental glutamate excitotoxicity.
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Affiliation(s)
- Birgit Fogal
- Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut, USA
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Turan NN, Basgut B, Aypar E, Ark M, Iskit AB, Cakici I. Chemical preconditioning effect of 3-nitropropionic acid in anesthetized rat heart. Life Sci 2008; 82:928-33. [DOI: 10.1016/j.lfs.2008.02.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2007] [Revised: 01/25/2008] [Accepted: 02/19/2008] [Indexed: 11/26/2022]
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Akashiba H, Ikegaya Y, Nishiyama N, Matsuki N. Differential Involvement of Cell Cycle Reactivation between Striatal and Cortical Neurons in Cell Death Induced by 3-Nitropropionic Acid. J Biol Chem 2008; 283:6594-606. [DOI: 10.1074/jbc.m707730200] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Induction of apoptosis signal-regulating kinase 1 and oxidative stress mediate age-dependent vulnerability to 3-nitropropionic acid in the mouse striatum. Neurosci Lett 2008; 430:142-6. [DOI: 10.1016/j.neulet.2007.10.042] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2007] [Revised: 10/04/2007] [Accepted: 10/25/2007] [Indexed: 01/26/2023]
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