Abstract:
:Homeostasis within the central nervous system (CNS) is a prerequisite to elicit proper neuronal function. The CNS is tightly sealed from the changeable milieu of the blood stream by the blood-brain barrier (BBB) and the blood-cerebrospinal fluid (CSF) barrier (BCSFB). Whereas the BBB is established by specialized endothelial cells of CNS microvessels, the BCSFB is formed by the epithelial cells of the choroid plexus. Both constitute physical barriers by a complex network of tight junctions (TJs) between adjacent cells. During many CNS inflammatory disorders, such as multiple sclerosis, human immunodeficiency virus infection, or Alzheimer's disease, production of pro-inflammatory cytokines, matrix metalloproteases, and reactive oxygen species are responsible for alterations of CNS barriers. Barrier dysfunction can contribute to neurological disorders in a passive way by vascular leakage of blood-borne molecules into the CNS and in an active way by guiding the migration of inflammatory cells into the CNS. Both ways may directly be linked to alterations in molecular composition, function, and dynamics of the TJ proteins. This review summarizes current knowledge on the cellular and molecular aspects of the functional and dysfunctional TJ complexes at the BBB and the BCSFB, with a particular emphasis on CNS inflammation and the role of reactive oxygen species.
journal_name
Antioxid Redox Signaljournal_title
Antioxidants & redox signalingauthors
Coisne C,Engelhardt Bdoi
10.1089/ars.2011.3929subject
Has Abstractpub_date
2011-09-01 00:00:00pages
1285-303issue
5eissn
1523-0864issn
1557-7716journal_volume
15pub_type
杂志文章,评审abstract:SIGNIFICANCE:In bacteria, transcriptional responses to reactive oxygen and nitrogen species (ROS and RNS, respectively) are typically coordinated by regulatory proteins that employ metal centers or reactive thiols to detect the presence of those species. This review is focused on the structure, function and mechanism o...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章,评审
doi:10.1089/ars.2012.4533
更新日期:2012-11-01 00:00:00
abstract:AIMS:Endothelium-dependent vasorelaxation is mediated by endothelium-derived relaxing factor and endothelium-derived hyperpolarizing factor (EDHF). However, the molecular entity of EDHF remains unclear. The present study examined whether hydrogen sulfide (H₂S) acts as EDHF and how H₂S mediates EDHF pathways from endoth...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2012.4805
更新日期:2013-11-10 00:00:00
abstract::To study early subcellular pathologic changes of tumorigenesis in mouse skin and possible modulation by overexpression of the mitochondrial antioxidant enzyme manganese superoxide dismutase (MnSOD), skin keratinocytes from nontransgenic (Ntg) and transgenic (TgH) mice overexpressing MnSOD topically treated with one do...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/152308604773934297
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abstract::Toxic renal failure induced by gentamicin, glycerol, or cisplatin, as well as ischemic renal failure in vivo and hypoxia/reoxygenation of tubular epithelial cells in vitro, induces the production of reactive oxygen metabolites (ROM). Generation of ROM is responsible for the induction of tubular epithelial cell death, ...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章,评审
doi:10.1089/152308602762197452
更新日期:2002-12-01 00:00:00
abstract:: Significance: T lymphocytes, as part of the adaptive immune system, possess the ability to activate and function in extreme cellular microenvironments, which requires these cells to remain highly malleable. One mechanism in which T lymphocytes achieve this adaptability is ...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2020.8042
更新日期:2020-04-30 00:00:00
abstract:: Aims: Endothelial dysfunction appears in early diabetes mellitus partially because of epidermal growth factor receptor (EGFR) abnormal activation and downstream oxidative stress. The aim of this study was to determine whether Y396, a synthesized analog of rhynchophylline, ...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2018.7721
更新日期:2020-04-10 00:00:00
abstract:AIMS:Adenosine triphosphate (ATP) synthase uses chemiosmotic energy across the inner mitochondrial membrane to convert adenosine diphosphate and orthophosphate into ATP, whereas genetic deletion of Sirt3 decreases mitochondrial ATP levels. Here, we investigate the mechanistic connection between SIRT3 and energy homeost...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2013.5420
更新日期:2014-08-01 00:00:00
abstract:AIMS:The immune system is critical for protection against infections and cancer, but requires scrupulous regulation to limit self-reactivity and autoimmunity. Our group has utilized a manganese porphyrin catalytic antioxidant (MnTE-2-PyP(5+), MnP) as a potential immunoregulatory therapy for type 1 diabetes. MnP has pre...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2012.5167
更新日期:2013-12-01 00:00:00
abstract:SIGNIFICANCE:A wealth of fluorescent reporters and imaging systems are now available to characterize dynamic physiological processes in living cells with high spatiotemporal resolution. The most reliable probes for quantitative measurements show shifts in their excitation or emission spectrum, rather than just a change...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章,评审
doi:10.1089/ars.2015.6390
更新日期:2016-05-01 00:00:00
abstract:SIGNIFICANCE:Changes in shear stress associated with alterations in blood flow initiate a signaling cascade that modulates the vascular phenotype. Shear stress is "sensed" by the endothelium via a mechanosensitive complex on the endothelial cell (EC) membrane that has been characterized as a "mechanosome" consisting of...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章,评审
doi:10.1089/ars.2013.5624
更新日期:2014-02-20 00:00:00
abstract:: Aims: Oxidative stress is causally linked to male reproductive pathologies, driven primarily by lipid peroxidation and an attendant production of highly reactive lipid aldehydes, such as 4-hydroxynonenal (4HNE) within the male germ line. In somatic cells, 4HNE dysregulates...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2019.7832
更新日期:2020-03-10 00:00:00
abstract:: Aims: Lifelong pain is a hallmark feature of sickle cell disease (SCD). How sickle pathobiology evokes pain remains unknown. We hypothesize that increased cell-free heme due to ongoing hemolysis activates toll-like receptor 4 (TLR4), leading to the formation of reactive ox...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2019.7913
更新日期:2021-02-01 00:00:00
abstract::Loss of redox homeostasis and formation of excessive free radicals play an important role in the pathogenesis of kidney disease and hypertension. Free radicals such as reactive oxygen species (ROS) are necessary in physiologic processes. However, loss of redox homeostasis contributes to proinflammatory and profibrotic...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章,评审
doi:10.1089/ars.2008.2034
更新日期:2008-12-01 00:00:00
abstract:SIGNIFICANCE:The rising global prevalence of diabetes and its debilitating complications give rise to significant disability and premature mortality. Due to the silent nature of diabetes and its vascular complications, and limitations in current methods for detection, there is a need for novel biomarkers for early dete...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章,评审
doi:10.1089/ars.2017.7318
更新日期:2018-10-10 00:00:00
abstract:AIMS:Corosolic acid (CRA) is a natural triterpenoid with antioxidative activity. This study was designed to elucidate the mechanism through which CRA protected vessel endothelial homeostasis by combating oxidative stress. RESULTS:In endothelial cells, CRA induced dynamin-related protein 1 (Drp1) phosphorylation at Ser...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2015.6479
更新日期:2016-06-01 00:00:00
abstract::Although there is an abundance of evidence suggesting that insulin resistance plays a significant role in the vasculature, the precise mechanistic role involved still remains unclear. In this review, we discuss the current background of insulin resistance in the context of insulin signaling and action in the vasculatu...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章,评审
doi:10.1089/ars.2005.7.1053
更新日期:2005-07-01 00:00:00
abstract::15-Deoxy-Delta(12,14)-prostaglandin-J(2) (15d-PGJ(2)) is a cyclopentenone prostaglandin regarded as antiinflammatory mediator, which can act through peroxisome proliferator-activated receptor-gamma (PPARgamma) or through G protein-coupled surface receptors. It has been demonstrated that 15d-PGJ(2) potently increases t...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2008.2032
更新日期:2008-12-01 00:00:00
abstract::Ischemia followed by reperfusion is the primary cause of tissue injury and infarction during heart attack and stroke. The initiating stimulus is believed to involve reactive oxygen species that are produced during reperfusion when electron transport resumes in the mitochondria after suppression by ischemia. Programmed...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章,评审
doi:10.1089/ars.2006.8.1667
更新日期:2006-09-01 00:00:00
abstract::Previous studies identified NADPH oxidases (Nox) and mitochondrial electron transport chain at complex I as major cellular sources of reactive oxygen species (ROS) mediating systemic and cellular responses to intermittent hypoxia (IH). In the present study, we investigated potential interactions between Nox and the mi...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2010.3213
更新日期:2011-02-15 00:00:00
abstract:SIGNIFICANCE:Dysregulation of cortical and striatal neuronal processing plays a critical role in Huntington's disease (HD), a dominantly inherited condition that includes a progressive deterioration of cognitive and motor control. Growing evidence indicates that ascorbate (AA), an antioxidant vitamin, is released into ...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2013.5387
更新日期:2013-12-10 00:00:00
abstract:SIGNIFICANCE:Oxidative (reactive oxygen species [ROS]) and nitrosative (reactive nitrogen species [RNS]) stress affects many physiological processes, including survival and death. Although high levels of ROS/RNS mainly causes cell death, low levels of free radicals directly modulate the activities of transcriptional fa...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章,评审
doi:10.1089/ars.2013.5746
更新日期:2014-07-01 00:00:00
abstract::Liver fibrosis is the consequence of chronic liver injury of any etiology. When advanced, fibrosis causes portal hypertension and liver insufficiency, and is a risk factor for developing hepatocellular carcinoma. In the last decade, there have been major advances in the knowledge of the pathogenesis of hepatic fibrosi...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章,评审
doi:10.1089/ars.2005.7.1346
更新日期:2005-09-01 00:00:00
abstract:AIMS:Cigarette smoke (CS)-mediated acquired cystic fibrosis transmembrane conductance regulator (CFTR)-dysfunction, autophagy-impairment, and resulting inflammatory-oxidative/nitrosative stress leads to chronic obstructive pulmonary disease (COPD)-emphysema pathogenesis. Moreover, nitric oxide (NO) signaling regulates ...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2016.6895
更新日期:2017-09-01 00:00:00
abstract::The protein kinase C (PKC) isozyme family plays key roles in cell growth regulation and influences neoplastic disease development and progression. For example, PKCepsilon is oncogenic, and PKCdelta tumor-suppressive. PKC isozymes are characterized by distinct activation mechanisms entailing phosphatidylserine-dependen...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2005.7.855
更新日期:2005-07-01 00:00:00
abstract:AIMS:Mesenchymal stromal cells (MSCs) are heterogeneous cells from adult tissues that are able to differentiate in vitro into adipocytes, osteoblasts, or chondrocytes. Such cells are widely studied in regenerative medicine. However, the success of cellular therapy depends on the cell survival. Heme oxygenase-1 (HO-1, e...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2017.7097
更新日期:2018-07-10 00:00:00
abstract::The mitogen-activated protein kinases (MAPKs) play a central role in mediating the activation and transcriptional responses of diverse cells, including glia. c-Jun N-terminal kinase (JNK), a member of the MAPK family, is activated by a variety of stress and proinflammatory signals and in turn phosphorylates its downst...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2006.8.903
更新日期:2006-05-01 00:00:00
abstract::Sirtuin-1 (SIRT1) is an NAD(+)-dependent protein deacetylase that is sensitive to oxidative signals. Our purpose was to determine whether SIRT1 activity is sensitive to the low molecular weight nitrosothiol, S-nitrosoglutathione (GSNO), which can transduce oxidative signals into physiological responses. SIRT1 formed m...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2010.3251
更新日期:2010-10-01 00:00:00
abstract::Methionine residues are susceptible to oxidation, but this damage may be reversed by methionine sulfoxide reductases MsrA and MsrB. Mammals contain one MsrA and three MsrBs, including a selenoprotein MsrB1. Here, we show that MsrB1 is the major methionine sulfoxide reductase in liver of mice and it is among the protei...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2009.2895
更新日期:2010-04-01 00:00:00
abstract::Molecular chaperones play key roles in protein quality control, signal transduction, proliferation, and cell death, and confer cytoprotection and assure survival after environmental stress. The heat-shock response is implicated in a variety of conditions including ischemic diseases, infection and immunity, neurodegene...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章
doi:10.1089/ars.2007.1866
更新日期:2008-01-01 00:00:00
abstract:SIGNIFICANCE:Reactive oxygen and nitrogen species contributing to homeostatic regulation and the pathogenesis of various cardiovascular diseases, including atherosclerosis, hypertension, endothelial dysfunction, and cardiac hypertrophy, is well established. The ability of oxidant species to mediate such effects is in p...
journal_title:Antioxidants & redox signaling
pub_type: 杂志文章,评审
doi:10.1089/ars.2011.4336
更新日期:2012-03-15 00:00:00