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Lowe PP, Morel C, Ambade A, Iracheta-Vellve A, Kwiatkowski E, Satishchandran A, Furi I, Cho Y, Gyongyosi B, Catalano D, Lefebvre E, Fischer L, Seyedkazemi S, Schafer DP, Szabo G. Chronic alcohol-induced neuroinflammation involves CCR2/5-dependent peripheral macrophage infiltration and microglia alterations. J Neuroinflammation 2020; 17:296. [PMID: 33036616 PMCID: PMC7547498 DOI: 10.1186/s12974-020-01972-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 09/30/2020] [Indexed: 02/11/2023] Open
Abstract
Background Chronic alcohol consumption is associated with neuroinflammation, neuronal damage, and behavioral alterations including addiction. Alcohol-induced neuroinflammation is characterized by increased expression of proinflammatory cytokines (including TNFα, IL-1β, and CCL2) and microglial activation. We hypothesized chronic alcohol consumption results in peripheral immune cell infiltration to the CNS. Since chemotaxis through the CCL2-CCR2 signaling axis is critical for macrophage recruitment peripherally and centrally, we further hypothesized that blockade of CCL2 signaling using the dual CCR2/5 inhibitor cenicriviroc (CVC) would prevent alcohol-induced CNS infiltration of peripheral macrophages and alter the neuroinflammatory state in the brain after chronic alcohol consumption. Methods C57BL/6J female mice were fed an isocaloric or 5% (v/v) ethanol Lieber DeCarli diet for 6 weeks. Some mice received daily injections of CVC. Microglia and infiltrating macrophages were characterized and quantified by flow cytometry and visualized using CX3CR1eGFP/+ CCR2RFP/+ reporter mice. The effect of ethanol and CVC treatment on the expression of inflammatory genes was evaluated in various regions of the brain, using a Nanostring nCounter inflammation panel. Microglia activation was analyzed by immunofluorescence. CVC-treated and untreated mice were presented with the two-bottle choice test. Results Chronic alcohol consumption induced microglia activation and peripheral macrophage infiltration in the CNS, particularly in the hippocampus. Treatment with CVC abrogated ethanol-induced recruitment of peripheral macrophages and partially reversed microglia activation. Furthermore, the expression of proinflammatory markers was upregulated by chronic alcohol consumption in various regions of the brain, including the cortex, hippocampus, and cerebellum. Inhibition of CCR2/5 decreased alcohol-mediated expression of inflammatory markers. Finally, microglia function was impaired by chronic alcohol consumption and restored by CVC treatment. CVC treatment did not change the ethanol consumption or preference of mice in the two-bottle choice test. Conclusions Together, our data establish that chronic alcohol consumption promotes the recruitment of peripheral macrophages into the CNS and microglia alterations through the CCR2/5 axis. Therefore, further exploration of the CCR2/5 axis as a modulator of neuroinflammation may offer a potential therapeutic approach for the treatment of alcohol-associated neuroinflammation.
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Affiliation(s)
- Patrick P Lowe
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Caroline Morel
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, ST-214B, Boston, MA, 02215, USA
| | - Aditya Ambade
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Arvin Iracheta-Vellve
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Erica Kwiatkowski
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | | | - Istvan Furi
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Yeonhee Cho
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA.,Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, ST-214B, Boston, MA, 02215, USA
| | - Benedek Gyongyosi
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA
| | - Donna Catalano
- Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, ST-214B, Boston, MA, 02215, USA
| | | | | | | | - Dorothy P Schafer
- Department of Neurobiology, University of Massachusetts Medical School, Worcester, MA, USA
| | - Gyongyi Szabo
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, USA. .,Department of Medicine, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, ST-214B, Boston, MA, 02215, USA.
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52
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Kane CJM, Drew PD. Neuroinflammatory contribution of microglia and astrocytes in fetal alcohol spectrum disorders. J Neurosci Res 2020; 99:1973-1985. [PMID: 32959429 DOI: 10.1002/jnr.24735] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 09/03/2020] [Accepted: 09/05/2020] [Indexed: 12/12/2022]
Abstract
Ethanol exposure to the fetus during pregnancy can result in fetal alcohol spectrum disorders (FASD). These disorders vary in severity, can affect multiple organ systems, and can lead to lifelong disabilities. Damage to the central nervous system (CNS) is common in FASD, and can result in altered behavior and cognition. The incidence of FASD is alarmingly high, resulting in significant personal and societal costs. There are no cures for FASD. Alcohol can directly alter the function of neurons in the developing CNS. In addition, ethanol can alter the function of CNS glial cells including microglia and astrocytes which normally maintain homeostasis in the CNS. These glial cells can function as resident immune cells in the CNS to protect against pathogens and other insults. However, activation of glia can also damage CNS cells and lead to aberrant CNS function. Ethanol exposure to the developing brain can result in the activation of glia and neuroinflammation, which may contribute to the pathology associated with FASD. This suggests that anti-inflammatory agents may be effective in the treatment of FASD.
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Affiliation(s)
- Cynthia J M Kane
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR, USA
| | - Paul D Drew
- Department of Neurobiology and Developmental Sciences, University of Arkansas for Medical Sciences, Little Rock, AR, USA.,Department of Neurology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
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53
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Zhao L, Cheng N, Sun B, Wang S, Li A, Wang Z, Wang Y, Qi F. Regulatory effects of Ningdong granule on microglia-mediated neuroinflammation in a rat model of Tourette's syndrome. Biosci Trends 2020; 14:271-278. [PMID: 32741856 DOI: 10.5582/bst.2020.03262] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Tourette's syndrome (TS) is an inherited neurologic disorder characterized by involuntary stereotyped motor and vocal tics. Its pathogenesis is still unclear and its treatment remains limited. Recent research has suggested the involvement of immune mechanisms in the pathophysiology of TS. Microglia are the brain's resident innate immune cells. They can mediate neuroinflammation and regulate brain development and homeostasis. A traditional Chinese medicine (TCM), Ningdong granule (NDG), has been found to be efficacious in the treatment of TS while causing few adverse reactions. In the current study, a rat model of 3,3'-iminodipropionitrile (IDPN)-induced TS was used to explore the regulating effects and mechanisms of NDG on microglia-mediated neuroinflammation. IDNP led to robust pathological changes and neurobehavioral complications, with activation of microglia in the striatum of rats with TS. After activation by IDNP, microglia strongly responded to this specific injury, and TNF-α, IL-6, and MCP-1 were released in the striatum and/or serum of rats with TS. Interestingly, NDG inhibited the activation of microglia and decreased the abnormal expression of TNF-α, IL-6, and MCP-1 in the striatum and/or serum of rats with TS, thus controlling tics. However, there were no significant changes in the striatum and/or serum of rats with TS after treatment with haloperidol. The anti-TS action of haloperidol might occur not through microglial activation and neuroinflammation but through the DAT system, thus controlling tics. In conclusion, microglia might play key roles in mediating neuroinflammatory responses in TS, triggering the release of TNF-α, IL-6, and MCP-1.NDG inhibited tics in rats with TS, and this mechanism may be associated with a reduction in the increased number of activated microglia and a decrease in the expression of pro-inflammatory cytokines and chemokines in the striatum and/or serum.
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Affiliation(s)
- Lin Zhao
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital affiliated to Shandong University, Ji'nan, China
| | - Nan Cheng
- Department of Intensive Care Unit, Shandong Provincial Hospital affiliated to Shandong University, Ji'nan, China
| | - Bo Sun
- Shandong Medical Imaging Research Institute affiliated to Shandong University, Ji'nan, China
| | - Shuzhen Wang
- Department of Pediatry, The First Affiliated Hospital of Shandong First Medical University, Ji'nan, China
| | - Anyuan Li
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital affiliated to Shandong University, Ji'nan, China
| | - Zhixue Wang
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital affiliated to Shandong University, Ji'nan, China
| | - Yuan Wang
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital affiliated to Shandong University, Ji'nan, China
| | - Fanghua Qi
- Department of Traditional Chinese Medicine, Shandong Provincial Hospital affiliated to Shandong University, Ji'nan, China
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54
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King JA, Nephew BC, Choudhury A, Poirier GL, Lim A, Mandrekar P. Chronic alcohol-induced liver injury correlates with memory deficits: Role for neuroinflammation. Alcohol 2020; 83:75-81. [PMID: 31398460 DOI: 10.1016/j.alcohol.2019.07.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 07/19/2019] [Accepted: 07/31/2019] [Indexed: 12/29/2022]
Abstract
Alcohol use disorder (AUD) affects over 15 million adults over age 18 in the United States, with estimated costs of 220 billion dollars annually - mainly due to poor quality of life and lost productivity, which in turn is intricately linked to cognitive dysfunction. AUD-induced neuroinflammation in the brain, notably the hippocampus, is likely to contribute to cognitive impairments. The neuroinflammatory mechanisms mediating the impact of chronic alcohol on the central nervous system, specifically cognition, require further study. We hypothesized that chronic alcohol consumption impairs memory and increases the inflammatory cytokines TNFα, IL6, MCP1, and IL1β in the hippocampus and prefrontal cortex regions in the brain. Using the chronic-binge Gao-NIAAA alcohol mouse model of liver disease, representative of the drinking pattern common to human alcoholics, we investigated behavioral and neuroinflammatory parameters. Our data show that chronic alcohol intake elevated peripheral and brain alcohol levels, induced serum alanine aminotransferase (ALT, a marker of liver injury), impaired memory and sensorimotor coordination, and increased inflammatory gene expression in the hippocampus and prefrontal cortex. Interestingly, serum ALT and hippocampal IL6 correlated with memory impairment, suggesting an intrinsic relationship between neuroinflammation, cognitive decline, and liver disease. Overall, our results point to a likely liver-brain functional partnership and suggest that future strategies to alleviate hepatic and/or neuroinflammatory impacts of chronic AUD may result in improved cognitive outcomes.
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Affiliation(s)
- Jean A King
- Center for Comparative Neuroimaging, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA, United States; Department of Biology and Biotechnology, Worcester Polytechnic Institute, Worcester, MA, United States.
| | - Benjamin C Nephew
- Center for Comparative Neuroimaging, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA, United States; Department of Biology and Biotechnology, Worcester Polytechnic Institute, Worcester, MA, United States
| | - Asmita Choudhury
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, United States
| | - Guillaume L Poirier
- Center for Comparative Neuroimaging, Department of Psychiatry, University of Massachusetts Medical School, Worcester, MA, United States
| | - Arlene Lim
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, United States
| | - Pranoti Mandrekar
- Department of Medicine, University of Massachusetts Medical School, Worcester, MA, United States.
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Kim KK, Siddiqui Z, Patel M, Sarkar B, Kumar VA. A self-assembled peptide hydrogel for cytokine sequestration. J Mater Chem B 2020; 8:945-950. [PMID: 31919489 DOI: 10.1039/c9tb02250c] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Cytokine-directed monocyte infiltration is involved in multiple pathological processes. Immuno-isolating matrices that can sequester cell-released chemokines in a microenvironment may prolong the viability and functionality of implanted materials. We describe a self-assembling peptide-based hydrogel that can capture the cytokine CCL2 released in the extracellular space by immune cells and stromal cells. The shear-responsive matrix can absorb and retain this signaling molecule needed for the chemotaxis of the infiltrating monocytes and their differentiation into phagocytic macrophages. Such cytokine-sequestering biomaterials may be useful as adjunctive materials with the delivery of exogenous implants or cell suspensions for tissue regeneration, without the administration of systemic immunosuppressants. Our work highlights the versatility of nanofibrous peptide hydrogels for modulating the biological response in tissue niches.
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Affiliation(s)
- Ka-Kyung Kim
- Department of Biomedical Engineering, New Jersey Institute of Technology, NJ, USA.
| | - Zain Siddiqui
- Department of Biomedical Engineering, New Jersey Institute of Technology, NJ, USA.
| | - Manali Patel
- Department of Biomedical Engineering, New Jersey Institute of Technology, NJ, USA.
| | - Biplab Sarkar
- Department of Biomedical Engineering, New Jersey Institute of Technology, NJ, USA.
| | - Vivek A Kumar
- Department of Biomedical Engineering, New Jersey Institute of Technology, NJ, USA. and Department of Chemical and Materials Engineering, New Jersey Institute of Technology, NJ, USA and Department of Restorative Dentistry, Rutgers School of Dental Medicine, NJ, USA and KumarLab, 138 Warren St. Room 316, Newark, NJ 07102, USA
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56
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Molnár I. Interactions among thyroid hormone (FT 4), chemokine (MCP-1) and neurotrophin (NGF-β) levels studied in Hungarian postmenopausal and obese women. Cytokine 2019; 127:154948. [PMID: 31901598 DOI: 10.1016/j.cyto.2019.154948] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 11/23/2019] [Accepted: 12/02/2019] [Indexed: 12/24/2022]
Abstract
Thyroid dysfunction is more frequent in postmenopause and metabolic syndrome characterized by increased proinflammatory cytokines (IL-1, IL-6, TNFα), insulin resistance and overweight. Serum levels of monocyte chemoattractant protein-1 (MCP-1) chemokine and nerve growth factor-β (NGF-β) and their effects were studied on thyroid hormone levels in 133 Hungarian women (postmenopausal 66, obese 32, control 35). MCP-1 and NGF-β levels were measured with enzyme-linked, and thyroid hormones with chemiluminescence immunoassays. Subclinical hypothyroidism in postmenopause (7/66 vs 1/32 cases) and the presence of low FT4 levels in obese women were more frequent (6/32 vs 2/66 cases, p < 0.0447). Obese women showed reduced serum FT4 and higher MCP-1 or NGF-β levels compared to those in postmenopausal women [geometric mean (95%CI): 13.6 (10.9-21.69) vs 15.37 (9.06-20.42) pmol/l, p < 0.003 for FT4, and 19.36 (14.27-26.26) vs 17.29 (12.65-23.63) ng/ml, p < 0.0013 for MCP-1 or 18.64 (6.8-51.11) vs 14.01 (8.59-22.83) ng/ml, p < 0.0003 for NGF-β]. Serum FT4 levels inversely associated with MCP-1 (p < 0.0023, r = -0.1971) or estradiol levels (p < 0.0286, r = -0.1913), and positively associated with age (p < 0.0175, r = 0.2058). As opposed to estradiol and NGF-β levels, BMI had no effects on serum FT4 levels in postmenopausal and obese women forming 3 subgroups displaying only MCP-1, both MCP-1 and NGF-β positivities or no positivities at all. In summary, not only proinflammatory cytokines, but also MCP-1 chemokine and NGF-β levels can play a role in reduced serum FT4 levels in postmenopausal and obese women. Particularly, the decreased FT4 levels were connected to both increased MCP-1 and NGF-β levels in obese women.
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Affiliation(s)
- Ildikó Molnár
- Immunoendocrinology, EndoMed, Bem tér 18/C., Debrecen 4026, Hungary.
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57
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Emmert AS, Iwasawa E, Shula C, Schultz P, Lindquist D, Dunn RS, Fugate EM, Hu YC, Mangano FT, Goto J. Impaired neural differentiation and glymphatic CSF flow in the Ccdc39 rat model of neonatal hydrocephalus: genetic interaction with L1cam. Dis Model Mech 2019; 12:12/11/dmm040972. [PMID: 31771992 PMCID: PMC6898999 DOI: 10.1242/dmm.040972] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 10/14/2019] [Indexed: 01/07/2023] Open
Abstract
Neonatal hydrocephalus affects about one child per 1000 births and is a major congenital brain abnormality. We previously discovered a gene mutation within the coiled-coil domain-containing 39 (Ccdc39) gene, which causes the progressive hydrocephalus (prh) phenotype in mice due to lack of ependymal-cilia-mediated cerebrospinal fluid (CSF) flow. In this study, we used CRISPR/Cas9 to introduce the Ccdc39 gene mutation into rats, which are more suitable for imaging and surgical experiments. The Ccdc39prh/prh mutants exhibited mild ventriculomegaly at postnatal day (P)5 that progressed into severe hydrocephalus by P11 (P<0.001). After P11, macrophage and neutrophil invasion along with subarachnoid hemorrhage were observed in mutant brains showing reduced neurofilament density, hypomyelination and increased cell death signals compared with wild-type brains. Significantly more macrophages entered the brain parenchyma at P5 before hemorrhaging was noted and increased expression of a pro-inflammatory factor (monocyte chemoattractant protein-1) was found in the cortical neural and endothelial cells in the mutant brains at P11. Glymphatic-mediated CSF circulation was progressively impaired along the middle cerebral artery from P11 as mutants developed severe hydrocephalus (P<0.001). In addition, Ccdc39prh/prh mutants with L1 cell adhesion molecule (L1cam) gene mutation, which causes X-linked human congenital hydrocephalus, showed an accelerated early hydrocephalus phenotype (P<0.05-0.01). Our findings in Ccdc39prh/prh mutant rats demonstrate a possible causal role of neuroinflammation in neonatal hydrocephalus development, which involves impaired cortical development and glymphatic CSF flow. Improved understanding of inflammatory responses and the glymphatic system in neonatal hydrocephalus could lead to new therapeutic strategies for this condition. This article has an associated First Person interview with the joint first authors of the paper. Summary: Glymphatic CSF circulation and development of the cerebral cortex are impaired in our new genetic rat model of neonatal hydrocephalus with the onset of parenchymal inflammation and hemorrhage.
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Affiliation(s)
- A Scott Emmert
- Division of Pediatric Neurosurgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Eri Iwasawa
- Division of Pediatric Neurosurgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Crystal Shula
- Division of Pediatric Neurosurgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Preston Schultz
- Division of Pediatric Neurosurgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Diana Lindquist
- Division of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - R Scott Dunn
- Division of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Elizabeth M Fugate
- Division of Radiology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Yueh-Chiang Hu
- Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Francesco T Mangano
- Division of Pediatric Neurosurgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
| | - June Goto
- Division of Pediatric Neurosurgery, Cincinnati Children's Hospital Medical Center, Cincinnati, OH 45229, USA
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Saito M, Saito M, Das BC. Involvement of AMP-activated protein kinase in neuroinflammation and neurodegeneration in the adult and developing brain. Int J Dev Neurosci 2019; 77:48-59. [PMID: 30707928 PMCID: PMC6663660 DOI: 10.1016/j.ijdevneu.2019.01.007] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 12/29/2018] [Accepted: 01/28/2019] [Indexed: 02/07/2023] Open
Abstract
Microglial activation followed by neuroinflammation is a defense mechanism of the brain to eliminate harmful endogenous and exogenous materials including pathogens and damaged tissues, while excessive or chronic neuroinflammation may cause or exacerbate neurodegeneration observed in brain injuries and neurodegenerative diseases. Depending on conditions/environments during activation, microglia acquire distinct phenotypes, such as pro-inflammatory, anti-inflammatory, and disease-associated phenotypes, and show their ability to phagocytose various objects and produce pro-and anti-inflammatory mediators. Prevention of excessive inflammation by regulating the microglia's pro/anti-inflammatory balance is important for alleviating progression of brain injuries and diseases. Among many factors involved in the regulation of microglial phenotypes, cellular energy status plays an important role. Adenosine monophosphate-activated protein kinase (AMPK), which serves as a master sensor and regulator of energy balance, is considered a candidate molecule. Accumulating evidence from adult rodent studies indicates that AMPK activation promotes anti-inflammatory responses in microglia exposed to danger signals or various stressors mainly through inhibition of the nuclear factor κB (NF-κB) signaling and activation of the nuclear factor erythroid-2-related factor-2 (Nrf2) pathway. However, AMPK activation in neurons exposed to stressors/insults may exacerbate neuronal damage if AMPK activation is excessive or prolonged. While AMPK affects microglial activation states and neuronal cell survival rates in both the adult and the developing brain, studies in the developing brain are still scarce, even though activated AMPK is highly expressed especially in the neonatal brain. More in depth studies in the developing brain are important, because neuroinflammation/neurodegeneration occurred during development can result in long-lasting brain damage.
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Affiliation(s)
- Mariko Saito
- Division of Neurochemistry, Nathan S. Kline Institute for Psychiatric Research 140 Old Orangeburg, Orangeburg, NY 10962, USA
- Department of Psychiatry, New York University Langone Medical Center 550 First Avenue, New York, NY 10016, USA
| | - Mitsuo Saito
- Division of Analytical Psychopharmacology, Nathan S. Kline Institute for Psychiatric Research 140 Old Orangeburg, Orangeburg, NY 10962, USA
| | - Bhaskar C. Das
- Departments of Medicine and Pharmacological Sciences, Icahn School of Medicine at Mount Sinai 1468 Madison Avenue, Annenberg 19-201, New York, NY 10029, USA
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Chen D, Huang C, Chen Z. A review for the pharmacological effect of lycopene in central nervous system disorders. Biomed Pharmacother 2019; 111:791-801. [DOI: 10.1016/j.biopha.2018.12.151] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 12/31/2018] [Accepted: 12/31/2018] [Indexed: 12/13/2022] Open
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Zhang K, Luo J. Role of MCP-1 and CCR2 in alcohol neurotoxicity. Pharmacol Res 2019; 139:360-366. [PMID: 30472461 PMCID: PMC6360095 DOI: 10.1016/j.phrs.2018.11.030] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 10/22/2018] [Accepted: 11/21/2018] [Indexed: 01/08/2023]
Abstract
Alcohol abuse causes profound damage to both the developing brain and the adult brain. Prenatal exposure to alcohol results in a wide range of deficits known as fetal alcohol spectrum disorders (FASD). Alcohol abuse in adults is associated with brain shrinkage, memory and attention deficits, communication disorders and physical disabilities. Monocyte chemoattractant protein-1 (MCP-1/CCL2) is one of the key chemokines that regulate the recruitment and activation of monocytes and microglia. Both MCP-1 and its receptor C-C chemokine receptor type 2 (CCR2) expressed in the brain are involved in various neuroinflammatory disorders, such as multiple sclerosis (MS), Alzheimer's disease (AD) and Parkinson's disease (PD). However, the role of MCP-1/CCR2 in alcohol-induced brain damage is unclear. Recent evidence indicates that alcohol exposure increased the activity of MCP-1/CCR2 in both mature and developing central nervous systems (CNS). MCP-1/CCR2 signaling in the brain was involved in alcohol drinking behavior. MCP-1/CCR2 inhibition alleviated alcohol neurotoxicity by reducing microglia activation/neuroinflammation in the developing brain and spinal cord. In this review, we discussed the role of MCP-1/CCR2 signaling in alcohol-induced neuroinflammation and brain damage. We also discussed the signaling cascades that are involved in the activation of MCP-1/CCR2 in response to alcohol exposure.
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Affiliation(s)
- Kai Zhang
- Department of Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, Lexington, KY 40536, USA
| | - Jia Luo
- Department of Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, Lexington, KY 40536, USA; Lexington VA Health Care System, Research & Development, 1101 Veterans Drive, Lexington, KY 40502, USA.
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