Biphasic actions of HMGB1 signaling in inflammation and recovery after stroke
Stroke induces a complex web of pathophysiology that may evolve over hours to days and weeks after onset. It is now recognized that inflammation is an important phenomenon that can dramatically influence outcomes after stroke. In this minireview, we explore the hypothesis that inflammatory signals a...
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Veröffentlicht in: | Annals of the New York Academy of Sciences 2010-10, Vol.1207 (1), p.50-57 |
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description | Stroke induces a complex web of pathophysiology that may evolve over hours to days and weeks after onset. It is now recognized that inflammation is an important phenomenon that can dramatically influence outcomes after stroke. In this minireview, we explore the hypothesis that inflammatory signals after stroke are biphasic in nature. The high‐mobility group box 1 (HMGB1) protein is discussed as an example of this idea. HMGB1 is normally present in the nucleus. Under ischemic conditions, it is released extracellularly from many types of cells. During the acute phase poststroke, HMGB1 promotes necrosis and influx of damaging inflammatory cells. However, during the delayed phase poststroke, HMGB1 can mediate beneficial plasticity and recovery in many cells of the neurovascular unit. These emerging findings support the hypothesis that inflammation after stroke can be both detrimental and beneficial, depending on the cellular situations involved. |
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It is now recognized that inflammation is an important phenomenon that can dramatically influence outcomes after stroke. In this minireview, we explore the hypothesis that inflammatory signals after stroke are biphasic in nature. The high‐mobility group box 1 (HMGB1) protein is discussed as an example of this idea. HMGB1 is normally present in the nucleus. Under ischemic conditions, it is released extracellularly from many types of cells. During the acute phase poststroke, HMGB1 promotes necrosis and influx of damaging inflammatory cells. However, during the delayed phase poststroke, HMGB1 can mediate beneficial plasticity and recovery in many cells of the neurovascular unit. 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It is now recognized that inflammation is an important phenomenon that can dramatically influence outcomes after stroke. In this minireview, we explore the hypothesis that inflammatory signals after stroke are biphasic in nature. The high‐mobility group box 1 (HMGB1) protein is discussed as an example of this idea. HMGB1 is normally present in the nucleus. Under ischemic conditions, it is released extracellularly from many types of cells. During the acute phase poststroke, HMGB1 promotes necrosis and influx of damaging inflammatory cells. However, during the delayed phase poststroke, HMGB1 can mediate beneficial plasticity and recovery in many cells of the neurovascular unit. These emerging findings support the hypothesis that inflammation after stroke can be both detrimental and beneficial, depending on the cellular situations involved.</description><subject>Animals</subject><subject>Cellular</subject><subject>Damage</subject><subject>Extracellular Space - physiology</subject><subject>HMGB1</subject><subject>HMGB1 Protein - physiology</subject><subject>Humans</subject><subject>inflammation</subject><subject>Inflammation - physiopathology</subject><subject>Models, Neurological</subject><subject>Nuclei</subject><subject>Plasticity</subject><subject>Proteins</subject><subject>Receptor for Advanced Glycation End Products</subject><subject>Receptors, Immunologic - physiology</subject><subject>Recovery</subject><subject>Signal Transduction - physiology</subject><subject>stroke</subject><subject>Stroke - physiopathology</subject><subject>stroke recovery</subject><subject>Strokes</subject><subject>Toll-Like Receptor 4 - physiology</subject><issn>0077-8923</issn><issn>1749-6632</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkV1v0zAUhi0EYmXwF5AlLrhK528nN0jbBO2krYD4EldHTuJ07pK4s9PR_nscOsrHDViWbPm855HP-yKEKZnStE5WU6pFkSnF2ZSR9EqkZvl0-wBNDoWHaEKI1lleMH6EnsS4IoSyXOjH6IiRQkrB1ARdnbn1tYmuwqYanO8j9g2eX83OKI5u2ZvW9Uvs-rSb1nSdGTXY9DUOtvJ3NuywaQYbcByCv7FP0aPGtNE-uz-P0ac3rz-ez7PLt7OL89PLrFI8zzOuLaGlKGzVFKKmtRVWkkbUgumGk7KsLbGsEqohWqRxKsqY5EIRSw0VSpT8GL3ac9ebsrN1ZfshmBbWwXUm7MAbB39WencNS38HXBMptUyAl_eA4G83Ng7QuVjZtjW99ZsIOadU5JLrfyq1LDjjKmdJ-eIv5cpvQrIwAk1ui0KxYuTle1UVfIzBNodfUwJjuLCCMUMYM4QxXPgRLmxT6_Pfpz40_kzzly3fXGt3_w2GxdfTD-M1AbI9wMXBbg8AE25Aaa4lfFnMYME_v5-_Yww0_w4XLMGm</recordid><startdate>201010</startdate><enddate>201010</enddate><creator>Hayakawa, Kazuhide</creator><creator>Qiu, Jianhua</creator><creator>Lo, Eng H.</creator><general>Blackwell Publishing Inc</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7QL</scope><scope>7QP</scope><scope>7QR</scope><scope>7ST</scope><scope>7T5</scope><scope>7T7</scope><scope>7TK</scope><scope>7TM</scope><scope>7TO</scope><scope>7U7</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>K9.</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope><scope>7X8</scope><scope>7SP</scope><scope>7U5</scope><scope>L7M</scope><scope>5PM</scope></search><sort><creationdate>201010</creationdate><title>Biphasic actions of HMGB1 signaling in inflammation and recovery after stroke</title><author>Hayakawa, Kazuhide ; Qiu, Jianhua ; Lo, Eng H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c6388-37e01b49ecf94d1de4e50f4d427f30bbde0e2c46f074749c12253460e1a1464b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Animals</topic><topic>Cellular</topic><topic>Damage</topic><topic>Extracellular Space - physiology</topic><topic>HMGB1</topic><topic>HMGB1 Protein - physiology</topic><topic>Humans</topic><topic>inflammation</topic><topic>Inflammation - physiopathology</topic><topic>Models, Neurological</topic><topic>Nuclei</topic><topic>Plasticity</topic><topic>Proteins</topic><topic>Receptor for Advanced Glycation End Products</topic><topic>Receptors, Immunologic - physiology</topic><topic>Recovery</topic><topic>Signal Transduction - physiology</topic><topic>stroke</topic><topic>Stroke - physiopathology</topic><topic>stroke recovery</topic><topic>Strokes</topic><topic>Toll-Like Receptor 4 - physiology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hayakawa, Kazuhide</creatorcontrib><creatorcontrib>Qiu, Jianhua</creatorcontrib><creatorcontrib>Lo, Eng H.</creatorcontrib><collection>Istex</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Environment Abstracts</collection><collection>Immunology Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Neurosciences Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Oncogenes and Growth Factors Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Annals of the New York Academy of Sciences</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hayakawa, Kazuhide</au><au>Qiu, Jianhua</au><au>Lo, Eng H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Biphasic actions of HMGB1 signaling in inflammation and recovery after stroke</atitle><jtitle>Annals of the New York Academy of Sciences</jtitle><addtitle>Ann N Y Acad Sci</addtitle><date>2010-10</date><risdate>2010</risdate><volume>1207</volume><issue>1</issue><spage>50</spage><epage>57</epage><pages>50-57</pages><issn>0077-8923</issn><eissn>1749-6632</eissn><coden>ANYAA9</coden><abstract>Stroke induces a complex web of pathophysiology that may evolve over hours to days and weeks after onset. It is now recognized that inflammation is an important phenomenon that can dramatically influence outcomes after stroke. In this minireview, we explore the hypothesis that inflammatory signals after stroke are biphasic in nature. The high‐mobility group box 1 (HMGB1) protein is discussed as an example of this idea. HMGB1 is normally present in the nucleus. Under ischemic conditions, it is released extracellularly from many types of cells. During the acute phase poststroke, HMGB1 promotes necrosis and influx of damaging inflammatory cells. However, during the delayed phase poststroke, HMGB1 can mediate beneficial plasticity and recovery in many cells of the neurovascular unit. 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subjects | Animals Cellular Damage Extracellular Space - physiology HMGB1 HMGB1 Protein - physiology Humans inflammation Inflammation - physiopathology Models, Neurological Nuclei Plasticity Proteins Receptor for Advanced Glycation End Products Receptors, Immunologic - physiology Recovery Signal Transduction - physiology stroke Stroke - physiopathology stroke recovery Strokes Toll-Like Receptor 4 - physiology |
title | Biphasic actions of HMGB1 signaling in inflammation and recovery after stroke |
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