Dysregulation of anti-inflammatory annexin A1 expression in progressive Crohns Disease

Development of inflammatory bowel disease (IBD) involves the interplay of environmental and genetic factors with the host immune system. Mechanisms contributing to immune dysregulation in IBD are not fully defined. Development of novel therapeutic strategies is focused on controlling aberrant immune...

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Veröffentlicht in:PloS one 2013-10, Vol.8 (10), p.e76969-e76969
Hauptverfasser: Sena, Angela, Grishina, Irina, Thai, Anne, Goulart, Larissa, Macal, Monica, Fenton, Anne, Li, Jay, Prindiville, Thomas, Oliani, Sonia Maria, Dandekar, Satya, Goulart, Luiz, Sankaran-Walters, Sumathi
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creator Sena, Angela
Grishina, Irina
Thai, Anne
Goulart, Larissa
Macal, Monica
Fenton, Anne
Li, Jay
Prindiville, Thomas
Oliani, Sonia Maria
Dandekar, Satya
Goulart, Luiz
Sankaran-Walters, Sumathi
description Development of inflammatory bowel disease (IBD) involves the interplay of environmental and genetic factors with the host immune system. Mechanisms contributing to immune dysregulation in IBD are not fully defined. Development of novel therapeutic strategies is focused on controlling aberrant immune response in IBD. Current IBD therapy utilizes a combination of immunomodulators and biologics to suppress pro-inflammatory effectors of IBD. However, the role of immunomodulatory factors such as annexin A1 (ANXA1) is not well understood. The goal of this study was to examine the association between ANXA1 and IBD, and the effects of anti-TNF-α, Infliximab (IFX), therapy on ANXA1 expression. ANXA1 and TNF-α transcript levels in PBMC were measured by RT PCR. Clinical follow up included the administration of serial ibdQs. ANXA1 expression in the gut mucosa was measured by IHC. Plasma ANXA1 levels were measured by ELISA. We found that the reduction in ANXA1 protein levels in plasma coincided with a decrease in the ANXA1 mRNA expression in peripheral blood of IBD patients. ANXA1 expression is upregulated during IFX therapy in patients with a successful intervention but not in clinical non-responders. The IFX therapy also modified the cellular immune activation in the peripheral blood of IBD patients. Decreased expression of ANXA1 was detected in the colonic mucosa of IBD patients with incomplete resolution of inflammation during continuous therapy, which correlated with increased levels of TNF-α transcripts. Gut mucosal epithelial barrier disruption was evident by increased plasma bacterial 16S levels. Loss of ANXA1 expression may support inflammation during IBD and can serve as a biomarker of disease progression. Changes in ANXA1 levels may be predictive of therapeutic efficacy.
doi_str_mv 10.1371/journal.pone.0076969
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Mechanisms contributing to immune dysregulation in IBD are not fully defined. Development of novel therapeutic strategies is focused on controlling aberrant immune response in IBD. Current IBD therapy utilizes a combination of immunomodulators and biologics to suppress pro-inflammatory effectors of IBD. However, the role of immunomodulatory factors such as annexin A1 (ANXA1) is not well understood. The goal of this study was to examine the association between ANXA1 and IBD, and the effects of anti-TNF-α, Infliximab (IFX), therapy on ANXA1 expression. ANXA1 and TNF-α transcript levels in PBMC were measured by RT PCR. Clinical follow up included the administration of serial ibdQs. ANXA1 expression in the gut mucosa was measured by IHC. Plasma ANXA1 levels were measured by ELISA. We found that the reduction in ANXA1 protein levels in plasma coincided with a decrease in the ANXA1 mRNA expression in peripheral blood of IBD patients. ANXA1 expression is upregulated during IFX therapy in patients with a successful intervention but not in clinical non-responders. The IFX therapy also modified the cellular immune activation in the peripheral blood of IBD patients. Decreased expression of ANXA1 was detected in the colonic mucosa of IBD patients with incomplete resolution of inflammation during continuous therapy, which correlated with increased levels of TNF-α transcripts. Gut mucosal epithelial barrier disruption was evident by increased plasma bacterial 16S levels. Loss of ANXA1 expression may support inflammation during IBD and can serve as a biomarker of disease progression. 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Mechanisms contributing to immune dysregulation in IBD are not fully defined. Development of novel therapeutic strategies is focused on controlling aberrant immune response in IBD. Current IBD therapy utilizes a combination of immunomodulators and biologics to suppress pro-inflammatory effectors of IBD. However, the role of immunomodulatory factors such as annexin A1 (ANXA1) is not well understood. The goal of this study was to examine the association between ANXA1 and IBD, and the effects of anti-TNF-α, Infliximab (IFX), therapy on ANXA1 expression. ANXA1 and TNF-α transcript levels in PBMC were measured by RT PCR. Clinical follow up included the administration of serial ibdQs. ANXA1 expression in the gut mucosa was measured by IHC. Plasma ANXA1 levels were measured by ELISA. We found that the reduction in ANXA1 protein levels in plasma coincided with a decrease in the ANXA1 mRNA expression in peripheral blood of IBD patients. ANXA1 expression is upregulated during IFX therapy in patients with a successful intervention but not in clinical non-responders. The IFX therapy also modified the cellular immune activation in the peripheral blood of IBD patients. Decreased expression of ANXA1 was detected in the colonic mucosa of IBD patients with incomplete resolution of inflammation during continuous therapy, which correlated with increased levels of TNF-α transcripts. Gut mucosal epithelial barrier disruption was evident by increased plasma bacterial 16S levels. Loss of ANXA1 expression may support inflammation during IBD and can serve as a biomarker of disease progression. 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blood</subject><subject>Enzyme-linked immunosorbent assay</subject><subject>Female</subject><subject>Gastroenterology</subject><subject>Gene expression</subject><subject>Gene Expression Regulation</subject><subject>Genetic factors</subject><subject>Health aspects</subject><subject>Hepatology</subject><subject>Humans</subject><subject>Immune response</subject><subject>Immune system</subject><subject>Immunology</subject><subject>Immunomodulation</subject><subject>Immunomodulators</subject><subject>Inflammation</subject><subject>Inflammation - genetics</subject><subject>Inflammation - metabolism</subject><subject>Inflammatory bowel disease</subject><subject>Inflammatory bowel diseases</subject><subject>Infliximab</subject><subject>Intestinal Mucosa - drug effects</subject><subject>Intestinal Mucosa - metabolism</subject><subject>Intestine</subject><subject>Laboratories</subject><subject>Lymphocyte Activation - drug effects</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Monoclonal antibodies</subject><subject>Mucosa</subject><subject>Neutrophils</subject><subject>Patients</subject><subject>Peripheral blood mononuclear cells</subject><subject>Proteins</subject><subject>RNA, Messenger - 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genetics</topic><topic>Inflammation - metabolism</topic><topic>Inflammatory bowel disease</topic><topic>Inflammatory bowel diseases</topic><topic>Infliximab</topic><topic>Intestinal Mucosa - drug effects</topic><topic>Intestinal Mucosa - metabolism</topic><topic>Intestine</topic><topic>Laboratories</topic><topic>Lymphocyte Activation - drug effects</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Monoclonal antibodies</topic><topic>Mucosa</topic><topic>Neutrophils</topic><topic>Patients</topic><topic>Peripheral blood mononuclear cells</topic><topic>Proteins</topic><topic>RNA, Messenger - genetics</topic><topic>RNA, Messenger - metabolism</topic><topic>Studies</topic><topic>T-Lymphocytes - drug effects</topic><topic>T-Lymphocytes - immunology</topic><topic>Therapy</topic><topic>Transcription</topic><topic>Treatment Outcome</topic><topic>Tumor necrosis factor</topic><topic>Tumor Necrosis Factor-alpha - genetics</topic><topic>Tumor necrosis factor-TNF</topic><topic>Tumor necrosis factor-α</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sena, Angela</creatorcontrib><creatorcontrib>Grishina, Irina</creatorcontrib><creatorcontrib>Thai, Anne</creatorcontrib><creatorcontrib>Goulart, Larissa</creatorcontrib><creatorcontrib>Macal, Monica</creatorcontrib><creatorcontrib>Fenton, Anne</creatorcontrib><creatorcontrib>Li, Jay</creatorcontrib><creatorcontrib>Prindiville, Thomas</creatorcontrib><creatorcontrib>Oliani, Sonia Maria</creatorcontrib><creatorcontrib>Dandekar, Satya</creatorcontrib><creatorcontrib>Goulart, Luiz</creatorcontrib><creatorcontrib>Sankaran-Walters, Sumathi</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Gale In Context: Opposing Viewpoints</collection><collection>Gale In Context: Science</collection><collection>ProQuest Central (Corporate)</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Nursing &amp; Allied Health Database</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Immunology Abstracts</collection><collection>Meteorological &amp; Geoastrophysical Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Health &amp; Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science &amp; Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies &amp; Aerospace Collection</collection><collection>Agricultural &amp; Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Materials Science Database</collection><collection>Nursing &amp; Allied Health Database (Alumni Edition)</collection><collection>Meteorological &amp; Geoastrophysical Abstracts - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sena, Angela</au><au>Grishina, Irina</au><au>Thai, Anne</au><au>Goulart, Larissa</au><au>Macal, Monica</au><au>Fenton, Anne</au><au>Li, Jay</au><au>Prindiville, Thomas</au><au>Oliani, Sonia Maria</au><au>Dandekar, Satya</au><au>Goulart, Luiz</au><au>Sankaran-Walters, Sumathi</au><au>Foligne, Benoit</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Dysregulation of anti-inflammatory annexin A1 expression in progressive Crohns Disease</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2013-10-10</date><risdate>2013</risdate><volume>8</volume><issue>10</issue><spage>e76969</spage><epage>e76969</epage><pages>e76969-e76969</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Development of inflammatory bowel disease (IBD) involves the interplay of environmental and genetic factors with the host immune system. Mechanisms contributing to immune dysregulation in IBD are not fully defined. Development of novel therapeutic strategies is focused on controlling aberrant immune response in IBD. Current IBD therapy utilizes a combination of immunomodulators and biologics to suppress pro-inflammatory effectors of IBD. However, the role of immunomodulatory factors such as annexin A1 (ANXA1) is not well understood. The goal of this study was to examine the association between ANXA1 and IBD, and the effects of anti-TNF-α, Infliximab (IFX), therapy on ANXA1 expression. ANXA1 and TNF-α transcript levels in PBMC were measured by RT PCR. Clinical follow up included the administration of serial ibdQs. ANXA1 expression in the gut mucosa was measured by IHC. Plasma ANXA1 levels were measured by ELISA. We found that the reduction in ANXA1 protein levels in plasma coincided with a decrease in the ANXA1 mRNA expression in peripheral blood of IBD patients. ANXA1 expression is upregulated during IFX therapy in patients with a successful intervention but not in clinical non-responders. The IFX therapy also modified the cellular immune activation in the peripheral blood of IBD patients. Decreased expression of ANXA1 was detected in the colonic mucosa of IBD patients with incomplete resolution of inflammation during continuous therapy, which correlated with increased levels of TNF-α transcripts. Gut mucosal epithelial barrier disruption was evident by increased plasma bacterial 16S levels. Loss of ANXA1 expression may support inflammation during IBD and can serve as a biomarker of disease progression. Changes in ANXA1 levels may be predictive of therapeutic efficacy.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>24130820</pmid><doi>10.1371/journal.pone.0076969</doi><tpages>e76969</tpages><oa>free_for_read</oa></addata></record>
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subjects Adult
Aged
Annexin A1 - blood
Annexin A1 - genetics
Annexin A1 - metabolism
Annexins
Anti-inflammatory agents
Antibodies, Monoclonal - pharmacology
Antibodies, Monoclonal - therapeutic use
Arthritis
Biochemistry
Biological effects
Biomarkers
Biopsy
Blood
Crohn Disease - blood
Crohn Disease - drug therapy
Crohn Disease - immunology
Crohn Disease - metabolism
Crohn's disease
Crohns disease
Development and progression
Disease Progression
DNA, Bacterial - blood
DNA, Ribosomal - blood
Enzyme-linked immunosorbent assay
Female
Gastroenterology
Gene expression
Gene Expression Regulation
Genetic factors
Health aspects
Hepatology
Humans
Immune response
Immune system
Immunology
Immunomodulation
Immunomodulators
Inflammation
Inflammation - genetics
Inflammation - metabolism
Inflammatory bowel disease
Inflammatory bowel diseases
Infliximab
Intestinal Mucosa - drug effects
Intestinal Mucosa - metabolism
Intestine
Laboratories
Lymphocyte Activation - drug effects
Male
Middle Aged
Monoclonal antibodies
Mucosa
Neutrophils
Patients
Peripheral blood mononuclear cells
Proteins
RNA, Messenger - genetics
RNA, Messenger - metabolism
Studies
T-Lymphocytes - drug effects
T-Lymphocytes - immunology
Therapy
Transcription
Treatment Outcome
Tumor necrosis factor
Tumor Necrosis Factor-alpha - genetics
Tumor necrosis factor-TNF
Tumor necrosis factor-α
Young Adult
title Dysregulation of anti-inflammatory annexin A1 expression in progressive Crohns Disease
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