Ablation of Gadd45β ameliorates the inflammation and renal fibrosis caused by unilateral ureteral obstruction

The growth arrest and DNA damage‐inducible beta (Gadd45β) protein have been associated with various cellular functions, but its role in progressive renal disease is currently unknown. Here, we examined the effect of Gadd45β deletion on cell proliferation and apoptosis, inflammation, and renal fibros...

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Veröffentlicht in:Journal of cellular and molecular medicine 2020-08, Vol.24 (15), p.8814-8825
Hauptverfasser: Moon, Sung‐Je, Kim, Jae‐Hoon, Choi, Young‐Keun, Lee, Chul‐Ho, Hwang, Jung Hwan
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creator Moon, Sung‐Je
Kim, Jae‐Hoon
Choi, Young‐Keun
Lee, Chul‐Ho
Hwang, Jung Hwan
description The growth arrest and DNA damage‐inducible beta (Gadd45β) protein have been associated with various cellular functions, but its role in progressive renal disease is currently unknown. Here, we examined the effect of Gadd45β deletion on cell proliferation and apoptosis, inflammation, and renal fibrosis in an early chronic kidney disease (CKD) mouse model following unilateral ureteral obstruction (UUO). Wild‐type (WT) and Gadd45β‐knockout (KO) mice underwent either a sham operation or UUO and the kidneys were sampled eight days later. A histological assay revealed that ablation of Gadd45β ameliorated UUO‐induced renal injury. Cell proliferation was higher in Gadd45β KO mouse kidneys, but apoptosis was similar in both genotypes after UUO. Expression of pro‐inflammatory cytokines after UUO was down‐regulated in the kidneys from Gadd45β KO mice, whereas UUO‐mediated immune cell infiltration remained unchanged. The expression of pro‐inflammatory cytokines in response to LPS stimulation decreased in bone marrow‐derived macrophages from Gadd45β KO mice compared with that in WT mice. Importantly, UUO‐induced renal fibrosis was ameliorated in Gadd45β KO mice unlike in WT mice. Gadd45β was involved in TGF‐β signalling pathway regulation in kidney fibroblasts. Our findings demonstrate that Gadd45β plays a crucial role in renal injury and may be a therapeutic target for the treatment of CKD.
doi_str_mv 10.1111/jcmm.15519
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Here, we examined the effect of Gadd45β deletion on cell proliferation and apoptosis, inflammation, and renal fibrosis in an early chronic kidney disease (CKD) mouse model following unilateral ureteral obstruction (UUO). Wild‐type (WT) and Gadd45β‐knockout (KO) mice underwent either a sham operation or UUO and the kidneys were sampled eight days later. A histological assay revealed that ablation of Gadd45β ameliorated UUO‐induced renal injury. Cell proliferation was higher in Gadd45β KO mouse kidneys, but apoptosis was similar in both genotypes after UUO. Expression of pro‐inflammatory cytokines after UUO was down‐regulated in the kidneys from Gadd45β KO mice, whereas UUO‐mediated immune cell infiltration remained unchanged. The expression of pro‐inflammatory cytokines in response to LPS stimulation decreased in bone marrow‐derived macrophages from Gadd45β KO mice compared with that in WT mice. Importantly, UUO‐induced renal fibrosis was ameliorated in Gadd45β KO mice unlike in WT mice. Gadd45β was involved in TGF‐β signalling pathway regulation in kidney fibroblasts. Our findings demonstrate that Gadd45β plays a crucial role in renal injury and may be a therapeutic target for the treatment of CKD.</description><identifier>ISSN: 1582-1838</identifier><identifier>EISSN: 1582-4934</identifier><identifier>DOI: 10.1111/jcmm.15519</identifier><identifier>PMID: 32570293</identifier><language>eng</language><publisher>England: John Wiley &amp; Sons, Inc</publisher><subject>Ablation ; Animals ; Antibodies ; Antigens, Differentiation - genetics ; Antigens, Differentiation - metabolism ; Apoptosis ; Apoptosis - genetics ; Biomarkers ; Biopsy ; Bone marrow ; Cell cycle ; Cell growth ; Cell Line ; Cell Proliferation ; chronic kidney disease ; Clonal deletion ; Cytokines ; Cytokines - metabolism ; Disease Models, Animal ; Disease Susceptibility ; DNA damage ; Fibroblasts ; Fibrosis ; Gene Deletion ; Genes ; Genotypes ; Immunohistochemistry ; Inflammation ; Inflammation Mediators ; Kidney diseases ; Kidney Diseases - etiology ; Kidney Diseases - metabolism ; Kidney Diseases - pathology ; Kinases ; Laboratories ; Lipopolysaccharides ; Macrophages ; Male ; Mice ; Mice, Knockout ; Original ; Penicillin ; renal fibrosis ; Renal Insufficiency, Chronic - etiology ; Renal Insufficiency, Chronic - metabolism ; Renal Insufficiency, Chronic - pathology ; Signal transduction ; TGF‐β signalling ; Transforming Growth Factor beta - metabolism ; unilateral ureteral obstruction ; Ureteral Obstruction - complications</subject><ispartof>Journal of cellular and molecular medicine, 2020-08, Vol.24 (15), p.8814-8825</ispartof><rights>2020 The Authors. published by Foundation for Cellular and Molecular Medicine and John Wiley &amp; Sons Ltd</rights><rights>2020 The Authors. 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Here, we examined the effect of Gadd45β deletion on cell proliferation and apoptosis, inflammation, and renal fibrosis in an early chronic kidney disease (CKD) mouse model following unilateral ureteral obstruction (UUO). Wild‐type (WT) and Gadd45β‐knockout (KO) mice underwent either a sham operation or UUO and the kidneys were sampled eight days later. A histological assay revealed that ablation of Gadd45β ameliorated UUO‐induced renal injury. Cell proliferation was higher in Gadd45β KO mouse kidneys, but apoptosis was similar in both genotypes after UUO. Expression of pro‐inflammatory cytokines after UUO was down‐regulated in the kidneys from Gadd45β KO mice, whereas UUO‐mediated immune cell infiltration remained unchanged. The expression of pro‐inflammatory cytokines in response to LPS stimulation decreased in bone marrow‐derived macrophages from Gadd45β KO mice compared with that in WT mice. Importantly, UUO‐induced renal fibrosis was ameliorated in Gadd45β KO mice unlike in WT mice. Gadd45β was involved in TGF‐β signalling pathway regulation in kidney fibroblasts. 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Kim, Jae‐Hoon ; Choi, Young‐Keun ; Lee, Chul‐Ho ; Hwang, Jung Hwan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5469-62634741f618eec550cf4cb855f813396c5ca32e7ae6258dcf7c974229948d1f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Ablation</topic><topic>Animals</topic><topic>Antibodies</topic><topic>Antigens, Differentiation - genetics</topic><topic>Antigens, Differentiation - metabolism</topic><topic>Apoptosis</topic><topic>Apoptosis - genetics</topic><topic>Biomarkers</topic><topic>Biopsy</topic><topic>Bone marrow</topic><topic>Cell cycle</topic><topic>Cell growth</topic><topic>Cell Line</topic><topic>Cell Proliferation</topic><topic>chronic kidney disease</topic><topic>Clonal deletion</topic><topic>Cytokines</topic><topic>Cytokines - metabolism</topic><topic>Disease Models, Animal</topic><topic>Disease Susceptibility</topic><topic>DNA damage</topic><topic>Fibroblasts</topic><topic>Fibrosis</topic><topic>Gene Deletion</topic><topic>Genes</topic><topic>Genotypes</topic><topic>Immunohistochemistry</topic><topic>Inflammation</topic><topic>Inflammation Mediators</topic><topic>Kidney diseases</topic><topic>Kidney Diseases - etiology</topic><topic>Kidney Diseases - metabolism</topic><topic>Kidney Diseases - pathology</topic><topic>Kinases</topic><topic>Laboratories</topic><topic>Lipopolysaccharides</topic><topic>Macrophages</topic><topic>Male</topic><topic>Mice</topic><topic>Mice, Knockout</topic><topic>Original</topic><topic>Penicillin</topic><topic>renal fibrosis</topic><topic>Renal Insufficiency, Chronic - etiology</topic><topic>Renal Insufficiency, Chronic - metabolism</topic><topic>Renal Insufficiency, Chronic - pathology</topic><topic>Signal transduction</topic><topic>TGF‐β signalling</topic><topic>Transforming Growth Factor beta - metabolism</topic><topic>unilateral ureteral obstruction</topic><topic>Ureteral Obstruction - complications</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Moon, Sung‐Je</creatorcontrib><creatorcontrib>Kim, Jae‐Hoon</creatorcontrib><creatorcontrib>Choi, Young‐Keun</creatorcontrib><creatorcontrib>Lee, Chul‐Ho</creatorcontrib><creatorcontrib>Hwang, Jung Hwan</creatorcontrib><collection>Wiley Online Library Open Access</collection><collection>Wiley Free Content</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Calcium &amp; 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Here, we examined the effect of Gadd45β deletion on cell proliferation and apoptosis, inflammation, and renal fibrosis in an early chronic kidney disease (CKD) mouse model following unilateral ureteral obstruction (UUO). Wild‐type (WT) and Gadd45β‐knockout (KO) mice underwent either a sham operation or UUO and the kidneys were sampled eight days later. A histological assay revealed that ablation of Gadd45β ameliorated UUO‐induced renal injury. Cell proliferation was higher in Gadd45β KO mouse kidneys, but apoptosis was similar in both genotypes after UUO. Expression of pro‐inflammatory cytokines after UUO was down‐regulated in the kidneys from Gadd45β KO mice, whereas UUO‐mediated immune cell infiltration remained unchanged. The expression of pro‐inflammatory cytokines in response to LPS stimulation decreased in bone marrow‐derived macrophages from Gadd45β KO mice compared with that in WT mice. Importantly, UUO‐induced renal fibrosis was ameliorated in Gadd45β KO mice unlike in WT mice. Gadd45β was involved in TGF‐β signalling pathway regulation in kidney fibroblasts. Our findings demonstrate that Gadd45β plays a crucial role in renal injury and may be a therapeutic target for the treatment of CKD.</abstract><cop>England</cop><pub>John Wiley &amp; Sons, Inc</pub><pmid>32570293</pmid><doi>10.1111/jcmm.15519</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-5779-6666</orcidid><oa>free_for_read</oa></addata></record>
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subjects Ablation
Animals
Antibodies
Antigens, Differentiation - genetics
Antigens, Differentiation - metabolism
Apoptosis
Apoptosis - genetics
Biomarkers
Biopsy
Bone marrow
Cell cycle
Cell growth
Cell Line
Cell Proliferation
chronic kidney disease
Clonal deletion
Cytokines
Cytokines - metabolism
Disease Models, Animal
Disease Susceptibility
DNA damage
Fibroblasts
Fibrosis
Gene Deletion
Genes
Genotypes
Immunohistochemistry
Inflammation
Inflammation Mediators
Kidney diseases
Kidney Diseases - etiology
Kidney Diseases - metabolism
Kidney Diseases - pathology
Kinases
Laboratories
Lipopolysaccharides
Macrophages
Male
Mice
Mice, Knockout
Original
Penicillin
renal fibrosis
Renal Insufficiency, Chronic - etiology
Renal Insufficiency, Chronic - metabolism
Renal Insufficiency, Chronic - pathology
Signal transduction
TGF‐β signalling
Transforming Growth Factor beta - metabolism
unilateral ureteral obstruction
Ureteral Obstruction - complications
title Ablation of Gadd45β ameliorates the inflammation and renal fibrosis caused by unilateral ureteral obstruction
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