A noncanonical role for the engulfment gene ELMO1 in neutrophils that promotes inflammatory arthritis

Rheumatoid arthritis is characterized by progressive joint inflammation and affects ~1% of the human population. We noted single-nucleotide polymorphisms (SNPs) in the apoptotic cell–engulfment genes ELMO1, DOCK2 , and RAC1 linked to rheumatoid arthritis. As ELMO1 promotes cytoskeletal reorganizatio...

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Veröffentlicht in:Nature immunology 2019-02, Vol.20 (2), p.141-151
Hauptverfasser: Arandjelovic, Sanja, Perry, Justin S. A., Lucas, Christopher D., Penberthy, Kristen K., Kim, Tae-Hyoun, Zhou, Ming, Rosen, Dorian A, Chuang, Tzu-Ying, Bettina, Alexandra M., Shankman, Laura S., Cohen, Amanda H., Gaultier, Alban, Conrads, Thomas P., Kim, Minsoo, Elliott, Michael R., Ravichandran, Kodi S.
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container_issue 2
container_start_page 141
container_title Nature immunology
container_volume 20
creator Arandjelovic, Sanja
Perry, Justin S. A.
Lucas, Christopher D.
Penberthy, Kristen K.
Kim, Tae-Hyoun
Zhou, Ming
Rosen, Dorian A
Chuang, Tzu-Ying
Bettina, Alexandra M.
Shankman, Laura S.
Cohen, Amanda H.
Gaultier, Alban
Conrads, Thomas P.
Kim, Minsoo
Elliott, Michael R.
Ravichandran, Kodi S.
description Rheumatoid arthritis is characterized by progressive joint inflammation and affects ~1% of the human population. We noted single-nucleotide polymorphisms (SNPs) in the apoptotic cell–engulfment genes ELMO1, DOCK2 , and RAC1 linked to rheumatoid arthritis. As ELMO1 promotes cytoskeletal reorganization during engulfment, we hypothesized that ELMO1 loss would worsen inflammatory arthritis. Surprisingly, Elmo1 -deficient mice showed reduced joint inflammation in acute and chronic arthritis models. Genetic and cell-biology studies revealed that ELMO1 associates with receptors linked to neutrophil function in arthritis and regulates activation and early neutrophil recruitment to the joints, without general inhibition of inflammatory responses. Further, neutrophils from the peripheral blood of human donors that carry the SNP in ELMO1 associated with arthritis display increased migratory capacity, whereas ELMO1 knockdown reduces human neutrophil migration to chemokines linked to arthritis. These data identify ‘noncanonical’ roles for ELMO1 as an important cytoplasmic regulator of specific neutrophil receptors and promoter of arthritis. ELMO1 is a protein centrally involved in controlling the engulfment of apoptotic cells. Ravichandran and colleagues demonstrate a noncanonical role for ELMO1 in the promotion of neutrophil migration and inflammatory arthritis.
doi_str_mv 10.1038/s41590-018-0293-x
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A. ; Lucas, Christopher D. ; Penberthy, Kristen K. ; Kim, Tae-Hyoun ; Zhou, Ming ; Rosen, Dorian A ; Chuang, Tzu-Ying ; Bettina, Alexandra M. ; Shankman, Laura S. ; Cohen, Amanda H. ; Gaultier, Alban ; Conrads, Thomas P. ; Kim, Minsoo ; Elliott, Michael R. ; Ravichandran, Kodi S.</creator><creatorcontrib>Arandjelovic, Sanja ; Perry, Justin S. A. ; Lucas, Christopher D. ; Penberthy, Kristen K. ; Kim, Tae-Hyoun ; Zhou, Ming ; Rosen, Dorian A ; Chuang, Tzu-Ying ; Bettina, Alexandra M. ; Shankman, Laura S. ; Cohen, Amanda H. ; Gaultier, Alban ; Conrads, Thomas P. ; Kim, Minsoo ; Elliott, Michael R. ; Ravichandran, Kodi S.</creatorcontrib><description>Rheumatoid arthritis is characterized by progressive joint inflammation and affects ~1% of the human population. We noted single-nucleotide polymorphisms (SNPs) in the apoptotic cell–engulfment genes ELMO1, DOCK2 , and RAC1 linked to rheumatoid arthritis. As ELMO1 promotes cytoskeletal reorganization during engulfment, we hypothesized that ELMO1 loss would worsen inflammatory arthritis. Surprisingly, Elmo1 -deficient mice showed reduced joint inflammation in acute and chronic arthritis models. Genetic and cell-biology studies revealed that ELMO1 associates with receptors linked to neutrophil function in arthritis and regulates activation and early neutrophil recruitment to the joints, without general inhibition of inflammatory responses. Further, neutrophils from the peripheral blood of human donors that carry the SNP in ELMO1 associated with arthritis display increased migratory capacity, whereas ELMO1 knockdown reduces human neutrophil migration to chemokines linked to arthritis. These data identify ‘noncanonical’ roles for ELMO1 as an important cytoplasmic regulator of specific neutrophil receptors and promoter of arthritis. ELMO1 is a protein centrally involved in controlling the engulfment of apoptotic cells. 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A.</creatorcontrib><creatorcontrib>Lucas, Christopher D.</creatorcontrib><creatorcontrib>Penberthy, Kristen K.</creatorcontrib><creatorcontrib>Kim, Tae-Hyoun</creatorcontrib><creatorcontrib>Zhou, Ming</creatorcontrib><creatorcontrib>Rosen, Dorian A</creatorcontrib><creatorcontrib>Chuang, Tzu-Ying</creatorcontrib><creatorcontrib>Bettina, Alexandra M.</creatorcontrib><creatorcontrib>Shankman, Laura S.</creatorcontrib><creatorcontrib>Cohen, Amanda H.</creatorcontrib><creatorcontrib>Gaultier, Alban</creatorcontrib><creatorcontrib>Conrads, Thomas P.</creatorcontrib><creatorcontrib>Kim, Minsoo</creatorcontrib><creatorcontrib>Elliott, Michael R.</creatorcontrib><creatorcontrib>Ravichandran, Kodi S.</creatorcontrib><title>A noncanonical role for the engulfment gene ELMO1 in neutrophils that promotes inflammatory arthritis</title><title>Nature immunology</title><addtitle>Nat Immunol</addtitle><addtitle>Nat Immunol</addtitle><description>Rheumatoid arthritis is characterized by progressive joint inflammation and affects ~1% of the human population. We noted single-nucleotide polymorphisms (SNPs) in the apoptotic cell–engulfment genes ELMO1, DOCK2 , and RAC1 linked to rheumatoid arthritis. As ELMO1 promotes cytoskeletal reorganization during engulfment, we hypothesized that ELMO1 loss would worsen inflammatory arthritis. Surprisingly, Elmo1 -deficient mice showed reduced joint inflammation in acute and chronic arthritis models. Genetic and cell-biology studies revealed that ELMO1 associates with receptors linked to neutrophil function in arthritis and regulates activation and early neutrophil recruitment to the joints, without general inhibition of inflammatory responses. Further, neutrophils from the peripheral blood of human donors that carry the SNP in ELMO1 associated with arthritis display increased migratory capacity, whereas ELMO1 knockdown reduces human neutrophil migration to chemokines linked to arthritis. These data identify ‘noncanonical’ roles for ELMO1 as an important cytoplasmic regulator of specific neutrophil receptors and promoter of arthritis. ELMO1 is a protein centrally involved in controlling the engulfment of apoptotic cells. 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A.</au><au>Lucas, Christopher D.</au><au>Penberthy, Kristen K.</au><au>Kim, Tae-Hyoun</au><au>Zhou, Ming</au><au>Rosen, Dorian A</au><au>Chuang, Tzu-Ying</au><au>Bettina, Alexandra M.</au><au>Shankman, Laura S.</au><au>Cohen, Amanda H.</au><au>Gaultier, Alban</au><au>Conrads, Thomas P.</au><au>Kim, Minsoo</au><au>Elliott, Michael R.</au><au>Ravichandran, Kodi S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A noncanonical role for the engulfment gene ELMO1 in neutrophils that promotes inflammatory arthritis</atitle><jtitle>Nature immunology</jtitle><stitle>Nat Immunol</stitle><addtitle>Nat Immunol</addtitle><date>2019-02-01</date><risdate>2019</risdate><volume>20</volume><issue>2</issue><spage>141</spage><epage>151</epage><pages>141-151</pages><issn>1529-2908</issn><eissn>1529-2916</eissn><abstract>Rheumatoid arthritis is characterized by progressive joint inflammation and affects ~1% of the human population. We noted single-nucleotide polymorphisms (SNPs) in the apoptotic cell–engulfment genes ELMO1, DOCK2 , and RAC1 linked to rheumatoid arthritis. As ELMO1 promotes cytoskeletal reorganization during engulfment, we hypothesized that ELMO1 loss would worsen inflammatory arthritis. Surprisingly, Elmo1 -deficient mice showed reduced joint inflammation in acute and chronic arthritis models. Genetic and cell-biology studies revealed that ELMO1 associates with receptors linked to neutrophil function in arthritis and regulates activation and early neutrophil recruitment to the joints, without general inhibition of inflammatory responses. Further, neutrophils from the peripheral blood of human donors that carry the SNP in ELMO1 associated with arthritis display increased migratory capacity, whereas ELMO1 knockdown reduces human neutrophil migration to chemokines linked to arthritis. These data identify ‘noncanonical’ roles for ELMO1 as an important cytoplasmic regulator of specific neutrophil receptors and promoter of arthritis. ELMO1 is a protein centrally involved in controlling the engulfment of apoptotic cells. Ravichandran and colleagues demonstrate a noncanonical role for ELMO1 in the promotion of neutrophil migration and inflammatory arthritis.</abstract><cop>New York</cop><pub>Nature Publishing Group US</pub><pmid>30643265</pmid><doi>10.1038/s41590-018-0293-x</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0003-3178-0524</orcidid><orcidid>https://orcid.org/0000-0002-4175-6053</orcidid><orcidid>https://orcid.org/0000-0003-1113-1965</orcidid><orcidid>https://orcid.org/0000-0003-3511-238X</orcidid><orcidid>https://orcid.org/0000-0001-9049-1410</orcidid><oa>free_for_read</oa></addata></record>
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Adaptor Proteins, Signal Transducing - genetics
Adaptor Proteins, Signal Transducing - immunology
Animal models
Animals
Apoptosis
Apoptosis - immunology
Arthritis
Arthritis, Experimental - diagnosis
Arthritis, Experimental - genetics
Arthritis, Experimental - immunology
Arthritis, Experimental - pathology
Arthritis, Rheumatoid - diagnosis
Arthritis, Rheumatoid - genetics
Arthritis, Rheumatoid - immunology
Arthritis, Rheumatoid - pathology
Biomedical and Life Sciences
Biomedicine
Cell activation
Cell culture
Chemokines
Chemotaxis - genetics
Chemotaxis - immunology
Collagen - immunology
Complement C5a - immunology
Complement C5a - metabolism
Cytoplasm - immunology
Cytoplasm - metabolism
Cytoskeleton
Disease Models, Animal
Female
Gene Expression Profiling
Genes
Genetic aspects
Genetic polymorphisms
Healthy Volunteers
Human migration
Human populations
Humans
Immunology
Infectious Diseases
Inflammation
Intravital Microscopy
Joint diseases
Joints - cytology
Joints - immunology
Leukocyte migration
Leukocytes (neutrophilic)
Leukotriene B4 - immunology
Leukotriene B4 - metabolism
Male
Mice
Mice, Inbred C57BL
Mice, Knockout
Neutrophils
Neutrophils - immunology
Neutrophils - metabolism
Peripheral blood
Polymorphism, Single Nucleotide
Promoters (Genetics)
Proteomics
Rac1 protein
Receptor mechanisms
Rheumatoid arthritis
Rheumatoid factor
Severity of Illness Index
Signal Transduction - immunology
Single nucleotide polymorphisms
Single-nucleotide polymorphism
Time-Lapse Imaging
title A noncanonical role for the engulfment gene ELMO1 in neutrophils that promotes inflammatory arthritis
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