Myeloid C/EBPβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis
Background CCAAT/enhancer binding protein β (C/EBPβ) is a transcription factor that regulates the expression of important pro-inflammatory genes in microglia. Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage, but the involvement in this neuroprotective effect of...
Ausführliche Beschreibung
Autor*in: |
Pulido-Salgado, Marta [verfasserIn] |
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E-Artikel |
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Englisch |
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2017 |
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Anmerkung: |
© The Author(s). 2017 |
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Übergeordnetes Werk: |
Enthalten in: Journal of neuroinflammation - London : BioMed Central, 2004, 14(2017), 1 vom: 16. März |
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Übergeordnetes Werk: |
volume:14 ; year:2017 ; number:1 ; day:16 ; month:03 |
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DOI / URN: |
10.1186/s12974-017-0834-5 |
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Katalog-ID: |
SPR029107342 |
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245 | 1 | 0 | |a Myeloid C/EBPβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis |
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520 | |a Background CCAAT/enhancer binding protein β (C/EBPβ) is a transcription factor that regulates the expression of important pro-inflammatory genes in microglia. Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage, but the involvement in this neuroprotective effect of the various C/EBPβ-expressing cell types is not solved. Since C/EBPβ-deficient microglia show attenuated neurotoxicity in culture, we hypothesized that specific C/EBPβ deficiency in microglia could be neuroprotective in vivo. In this study, we have tested this hypothesis by generating mice with myeloid C/EBPβ deficiency. Methods Mice with myeloid C/EBPβ deficiency were generated by crossing LysMCre and C/$ EBPβ^{fl/fl} $ mice. Primary microglial cultures from C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice were treated with lipopolysaccharide ± interferon γ (IFNγ) for 6 h, and gene expression was analyzed by RNA sequencing. Gene expression and C/EBPβ deletion were analyzed in vivo in microglia isolated from the brains of C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice treated systemically with lipolysaccharide or vehicle. Mice of LysMCre-C/$ EBPβ^{fl/fl} $ or control genotypes were subjected to experimental autoimmune encephalitis and analyzed for clinical signs for 52 days. One- or two-way ANOVA or Kruskal–Wallis with their appropriate post hoc tests were used. Results LysMCre-C/$ EBPβ^{fl/fl} $ mice showed an efficiency of C/EBPβ deletion in microglia of 100 and 90% in vitro and in vivo, respectively. These mice were devoid of female infertility, perinatal mortality and reduced lifespan that are associated to full C/EBPβ deficiency. Transcriptomic analysis of C/EBPβ-deficient primary microglia revealed C/EBPβ-dependent expression of 1068 genes, significantly enriched in inflammatory and innate immune responses GO terms. In vivo, microglial expression of the pro-inflammatory genes Cybb, Ptges, Il23a, Tnf and Csf3 induced by systemic lipopolysaccharide injection was also blunted by C/EBPβ deletion. CNS expression of C/EBPβ was upregulated in experimental autoimmune encephalitis and in multiple sclerosis samples. Finally, LysMCre-C/$ EBPβ^{fl/fl} $ mice showed robust attenuation of clinical signs in experimental autoimmune encephalitis. Conclusion This study provides new data that support a central role for C/EBPβ in the biology of activated microglia, and it offers proof of concept for the therapeutic potential of microglial C/EBPβ inhibition in multiple sclerosis. | ||
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650 | 4 | |a RNA sequencing |7 (dpeaa)DE-He213 | |
700 | 1 | |a Vidal-Taboada, Jose M. |4 aut | |
700 | 1 | |a Garcia Diaz-Barriga, Gerardo |4 aut | |
700 | 1 | |a Serratosa, Joan |4 aut | |
700 | 1 | |a Valente, Tony |4 aut | |
700 | 1 | |a Castillo, Paola |4 aut | |
700 | 1 | |a Matalonga, Jonathan |4 aut | |
700 | 1 | |a Straccia, Marco |4 aut | |
700 | 1 | |a Canals, Josep M. |4 aut | |
700 | 1 | |a Valledor, Annabel |4 aut | |
700 | 1 | |a Solà, Carme |4 aut | |
700 | 1 | |a Saura, Josep |0 (orcid)0000-0002-5601-4466 |4 aut | |
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10.1186/s12974-017-0834-5 doi (DE-627)SPR029107342 (SPR)s12974-017-0834-5-e DE-627 ger DE-627 rakwb eng Pulido-Salgado, Marta verfasserin aut Myeloid C/EBPβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2017 Background CCAAT/enhancer binding protein β (C/EBPβ) is a transcription factor that regulates the expression of important pro-inflammatory genes in microglia. Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage, but the involvement in this neuroprotective effect of the various C/EBPβ-expressing cell types is not solved. Since C/EBPβ-deficient microglia show attenuated neurotoxicity in culture, we hypothesized that specific C/EBPβ deficiency in microglia could be neuroprotective in vivo. In this study, we have tested this hypothesis by generating mice with myeloid C/EBPβ deficiency. Methods Mice with myeloid C/EBPβ deficiency were generated by crossing LysMCre and C/$ EBPβ^{fl/fl} $ mice. Primary microglial cultures from C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice were treated with lipopolysaccharide ± interferon γ (IFNγ) for 6 h, and gene expression was analyzed by RNA sequencing. Gene expression and C/EBPβ deletion were analyzed in vivo in microglia isolated from the brains of C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice treated systemically with lipolysaccharide or vehicle. Mice of LysMCre-C/$ EBPβ^{fl/fl} $ or control genotypes were subjected to experimental autoimmune encephalitis and analyzed for clinical signs for 52 days. One- or two-way ANOVA or Kruskal–Wallis with their appropriate post hoc tests were used. Results LysMCre-C/$ EBPβ^{fl/fl} $ mice showed an efficiency of C/EBPβ deletion in microglia of 100 and 90% in vitro and in vivo, respectively. These mice were devoid of female infertility, perinatal mortality and reduced lifespan that are associated to full C/EBPβ deficiency. Transcriptomic analysis of C/EBPβ-deficient primary microglia revealed C/EBPβ-dependent expression of 1068 genes, significantly enriched in inflammatory and innate immune responses GO terms. In vivo, microglial expression of the pro-inflammatory genes Cybb, Ptges, Il23a, Tnf and Csf3 induced by systemic lipopolysaccharide injection was also blunted by C/EBPβ deletion. CNS expression of C/EBPβ was upregulated in experimental autoimmune encephalitis and in multiple sclerosis samples. Finally, LysMCre-C/$ EBPβ^{fl/fl} $ mice showed robust attenuation of clinical signs in experimental autoimmune encephalitis. Conclusion This study provides new data that support a central role for C/EBPβ in the biology of activated microglia, and it offers proof of concept for the therapeutic potential of microglial C/EBPβ inhibition in multiple sclerosis. Transcription factor (dpeaa)DE-He213 Neuroinflammation (dpeaa)DE-He213 Lipopolysaccharide (dpeaa)DE-He213 Interferon γ (dpeaa)DE-He213 RNA sequencing (dpeaa)DE-He213 Vidal-Taboada, Jose M. aut Garcia Diaz-Barriga, Gerardo aut Serratosa, Joan aut Valente, Tony aut Castillo, Paola aut Matalonga, Jonathan aut Straccia, Marco aut Canals, Josep M. aut Valledor, Annabel aut Solà, Carme aut Saura, Josep (orcid)0000-0002-5601-4466 aut Enthalten in Journal of neuroinflammation London : BioMed Central, 2004 14(2017), 1 vom: 16. März (DE-627)391784781 (DE-600)2156455-3 1742-2094 nnns volume:14 year:2017 number:1 day:16 month:03 https://dx.doi.org/10.1186/s12974-017-0834-5 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2017 1 16 03 |
spelling |
10.1186/s12974-017-0834-5 doi (DE-627)SPR029107342 (SPR)s12974-017-0834-5-e DE-627 ger DE-627 rakwb eng Pulido-Salgado, Marta verfasserin aut Myeloid C/EBPβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2017 Background CCAAT/enhancer binding protein β (C/EBPβ) is a transcription factor that regulates the expression of important pro-inflammatory genes in microglia. Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage, but the involvement in this neuroprotective effect of the various C/EBPβ-expressing cell types is not solved. Since C/EBPβ-deficient microglia show attenuated neurotoxicity in culture, we hypothesized that specific C/EBPβ deficiency in microglia could be neuroprotective in vivo. In this study, we have tested this hypothesis by generating mice with myeloid C/EBPβ deficiency. Methods Mice with myeloid C/EBPβ deficiency were generated by crossing LysMCre and C/$ EBPβ^{fl/fl} $ mice. Primary microglial cultures from C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice were treated with lipopolysaccharide ± interferon γ (IFNγ) for 6 h, and gene expression was analyzed by RNA sequencing. Gene expression and C/EBPβ deletion were analyzed in vivo in microglia isolated from the brains of C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice treated systemically with lipolysaccharide or vehicle. Mice of LysMCre-C/$ EBPβ^{fl/fl} $ or control genotypes were subjected to experimental autoimmune encephalitis and analyzed for clinical signs for 52 days. One- or two-way ANOVA or Kruskal–Wallis with their appropriate post hoc tests were used. Results LysMCre-C/$ EBPβ^{fl/fl} $ mice showed an efficiency of C/EBPβ deletion in microglia of 100 and 90% in vitro and in vivo, respectively. These mice were devoid of female infertility, perinatal mortality and reduced lifespan that are associated to full C/EBPβ deficiency. Transcriptomic analysis of C/EBPβ-deficient primary microglia revealed C/EBPβ-dependent expression of 1068 genes, significantly enriched in inflammatory and innate immune responses GO terms. In vivo, microglial expression of the pro-inflammatory genes Cybb, Ptges, Il23a, Tnf and Csf3 induced by systemic lipopolysaccharide injection was also blunted by C/EBPβ deletion. CNS expression of C/EBPβ was upregulated in experimental autoimmune encephalitis and in multiple sclerosis samples. Finally, LysMCre-C/$ EBPβ^{fl/fl} $ mice showed robust attenuation of clinical signs in experimental autoimmune encephalitis. Conclusion This study provides new data that support a central role for C/EBPβ in the biology of activated microglia, and it offers proof of concept for the therapeutic potential of microglial C/EBPβ inhibition in multiple sclerosis. Transcription factor (dpeaa)DE-He213 Neuroinflammation (dpeaa)DE-He213 Lipopolysaccharide (dpeaa)DE-He213 Interferon γ (dpeaa)DE-He213 RNA sequencing (dpeaa)DE-He213 Vidal-Taboada, Jose M. aut Garcia Diaz-Barriga, Gerardo aut Serratosa, Joan aut Valente, Tony aut Castillo, Paola aut Matalonga, Jonathan aut Straccia, Marco aut Canals, Josep M. aut Valledor, Annabel aut Solà, Carme aut Saura, Josep (orcid)0000-0002-5601-4466 aut Enthalten in Journal of neuroinflammation London : BioMed Central, 2004 14(2017), 1 vom: 16. März (DE-627)391784781 (DE-600)2156455-3 1742-2094 nnns volume:14 year:2017 number:1 day:16 month:03 https://dx.doi.org/10.1186/s12974-017-0834-5 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2017 1 16 03 |
allfields_unstemmed |
10.1186/s12974-017-0834-5 doi (DE-627)SPR029107342 (SPR)s12974-017-0834-5-e DE-627 ger DE-627 rakwb eng Pulido-Salgado, Marta verfasserin aut Myeloid C/EBPβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2017 Background CCAAT/enhancer binding protein β (C/EBPβ) is a transcription factor that regulates the expression of important pro-inflammatory genes in microglia. Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage, but the involvement in this neuroprotective effect of the various C/EBPβ-expressing cell types is not solved. Since C/EBPβ-deficient microglia show attenuated neurotoxicity in culture, we hypothesized that specific C/EBPβ deficiency in microglia could be neuroprotective in vivo. In this study, we have tested this hypothesis by generating mice with myeloid C/EBPβ deficiency. Methods Mice with myeloid C/EBPβ deficiency were generated by crossing LysMCre and C/$ EBPβ^{fl/fl} $ mice. Primary microglial cultures from C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice were treated with lipopolysaccharide ± interferon γ (IFNγ) for 6 h, and gene expression was analyzed by RNA sequencing. Gene expression and C/EBPβ deletion were analyzed in vivo in microglia isolated from the brains of C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice treated systemically with lipolysaccharide or vehicle. Mice of LysMCre-C/$ EBPβ^{fl/fl} $ or control genotypes were subjected to experimental autoimmune encephalitis and analyzed for clinical signs for 52 days. One- or two-way ANOVA or Kruskal–Wallis with their appropriate post hoc tests were used. Results LysMCre-C/$ EBPβ^{fl/fl} $ mice showed an efficiency of C/EBPβ deletion in microglia of 100 and 90% in vitro and in vivo, respectively. These mice were devoid of female infertility, perinatal mortality and reduced lifespan that are associated to full C/EBPβ deficiency. Transcriptomic analysis of C/EBPβ-deficient primary microglia revealed C/EBPβ-dependent expression of 1068 genes, significantly enriched in inflammatory and innate immune responses GO terms. In vivo, microglial expression of the pro-inflammatory genes Cybb, Ptges, Il23a, Tnf and Csf3 induced by systemic lipopolysaccharide injection was also blunted by C/EBPβ deletion. CNS expression of C/EBPβ was upregulated in experimental autoimmune encephalitis and in multiple sclerosis samples. Finally, LysMCre-C/$ EBPβ^{fl/fl} $ mice showed robust attenuation of clinical signs in experimental autoimmune encephalitis. Conclusion This study provides new data that support a central role for C/EBPβ in the biology of activated microglia, and it offers proof of concept for the therapeutic potential of microglial C/EBPβ inhibition in multiple sclerosis. Transcription factor (dpeaa)DE-He213 Neuroinflammation (dpeaa)DE-He213 Lipopolysaccharide (dpeaa)DE-He213 Interferon γ (dpeaa)DE-He213 RNA sequencing (dpeaa)DE-He213 Vidal-Taboada, Jose M. aut Garcia Diaz-Barriga, Gerardo aut Serratosa, Joan aut Valente, Tony aut Castillo, Paola aut Matalonga, Jonathan aut Straccia, Marco aut Canals, Josep M. aut Valledor, Annabel aut Solà, Carme aut Saura, Josep (orcid)0000-0002-5601-4466 aut Enthalten in Journal of neuroinflammation London : BioMed Central, 2004 14(2017), 1 vom: 16. März (DE-627)391784781 (DE-600)2156455-3 1742-2094 nnns volume:14 year:2017 number:1 day:16 month:03 https://dx.doi.org/10.1186/s12974-017-0834-5 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2017 1 16 03 |
allfieldsGer |
10.1186/s12974-017-0834-5 doi (DE-627)SPR029107342 (SPR)s12974-017-0834-5-e DE-627 ger DE-627 rakwb eng Pulido-Salgado, Marta verfasserin aut Myeloid C/EBPβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2017 Background CCAAT/enhancer binding protein β (C/EBPβ) is a transcription factor that regulates the expression of important pro-inflammatory genes in microglia. Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage, but the involvement in this neuroprotective effect of the various C/EBPβ-expressing cell types is not solved. Since C/EBPβ-deficient microglia show attenuated neurotoxicity in culture, we hypothesized that specific C/EBPβ deficiency in microglia could be neuroprotective in vivo. In this study, we have tested this hypothesis by generating mice with myeloid C/EBPβ deficiency. Methods Mice with myeloid C/EBPβ deficiency were generated by crossing LysMCre and C/$ EBPβ^{fl/fl} $ mice. Primary microglial cultures from C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice were treated with lipopolysaccharide ± interferon γ (IFNγ) for 6 h, and gene expression was analyzed by RNA sequencing. Gene expression and C/EBPβ deletion were analyzed in vivo in microglia isolated from the brains of C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice treated systemically with lipolysaccharide or vehicle. Mice of LysMCre-C/$ EBPβ^{fl/fl} $ or control genotypes were subjected to experimental autoimmune encephalitis and analyzed for clinical signs for 52 days. One- or two-way ANOVA or Kruskal–Wallis with their appropriate post hoc tests were used. Results LysMCre-C/$ EBPβ^{fl/fl} $ mice showed an efficiency of C/EBPβ deletion in microglia of 100 and 90% in vitro and in vivo, respectively. These mice were devoid of female infertility, perinatal mortality and reduced lifespan that are associated to full C/EBPβ deficiency. Transcriptomic analysis of C/EBPβ-deficient primary microglia revealed C/EBPβ-dependent expression of 1068 genes, significantly enriched in inflammatory and innate immune responses GO terms. In vivo, microglial expression of the pro-inflammatory genes Cybb, Ptges, Il23a, Tnf and Csf3 induced by systemic lipopolysaccharide injection was also blunted by C/EBPβ deletion. CNS expression of C/EBPβ was upregulated in experimental autoimmune encephalitis and in multiple sclerosis samples. Finally, LysMCre-C/$ EBPβ^{fl/fl} $ mice showed robust attenuation of clinical signs in experimental autoimmune encephalitis. Conclusion This study provides new data that support a central role for C/EBPβ in the biology of activated microglia, and it offers proof of concept for the therapeutic potential of microglial C/EBPβ inhibition in multiple sclerosis. Transcription factor (dpeaa)DE-He213 Neuroinflammation (dpeaa)DE-He213 Lipopolysaccharide (dpeaa)DE-He213 Interferon γ (dpeaa)DE-He213 RNA sequencing (dpeaa)DE-He213 Vidal-Taboada, Jose M. aut Garcia Diaz-Barriga, Gerardo aut Serratosa, Joan aut Valente, Tony aut Castillo, Paola aut Matalonga, Jonathan aut Straccia, Marco aut Canals, Josep M. aut Valledor, Annabel aut Solà, Carme aut Saura, Josep (orcid)0000-0002-5601-4466 aut Enthalten in Journal of neuroinflammation London : BioMed Central, 2004 14(2017), 1 vom: 16. März (DE-627)391784781 (DE-600)2156455-3 1742-2094 nnns volume:14 year:2017 number:1 day:16 month:03 https://dx.doi.org/10.1186/s12974-017-0834-5 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2017 1 16 03 |
allfieldsSound |
10.1186/s12974-017-0834-5 doi (DE-627)SPR029107342 (SPR)s12974-017-0834-5-e DE-627 ger DE-627 rakwb eng Pulido-Salgado, Marta verfasserin aut Myeloid C/EBPβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s). 2017 Background CCAAT/enhancer binding protein β (C/EBPβ) is a transcription factor that regulates the expression of important pro-inflammatory genes in microglia. Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage, but the involvement in this neuroprotective effect of the various C/EBPβ-expressing cell types is not solved. Since C/EBPβ-deficient microglia show attenuated neurotoxicity in culture, we hypothesized that specific C/EBPβ deficiency in microglia could be neuroprotective in vivo. In this study, we have tested this hypothesis by generating mice with myeloid C/EBPβ deficiency. Methods Mice with myeloid C/EBPβ deficiency were generated by crossing LysMCre and C/$ EBPβ^{fl/fl} $ mice. Primary microglial cultures from C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice were treated with lipopolysaccharide ± interferon γ (IFNγ) for 6 h, and gene expression was analyzed by RNA sequencing. Gene expression and C/EBPβ deletion were analyzed in vivo in microglia isolated from the brains of C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice treated systemically with lipolysaccharide or vehicle. Mice of LysMCre-C/$ EBPβ^{fl/fl} $ or control genotypes were subjected to experimental autoimmune encephalitis and analyzed for clinical signs for 52 days. One- or two-way ANOVA or Kruskal–Wallis with their appropriate post hoc tests were used. Results LysMCre-C/$ EBPβ^{fl/fl} $ mice showed an efficiency of C/EBPβ deletion in microglia of 100 and 90% in vitro and in vivo, respectively. These mice were devoid of female infertility, perinatal mortality and reduced lifespan that are associated to full C/EBPβ deficiency. Transcriptomic analysis of C/EBPβ-deficient primary microglia revealed C/EBPβ-dependent expression of 1068 genes, significantly enriched in inflammatory and innate immune responses GO terms. In vivo, microglial expression of the pro-inflammatory genes Cybb, Ptges, Il23a, Tnf and Csf3 induced by systemic lipopolysaccharide injection was also blunted by C/EBPβ deletion. CNS expression of C/EBPβ was upregulated in experimental autoimmune encephalitis and in multiple sclerosis samples. Finally, LysMCre-C/$ EBPβ^{fl/fl} $ mice showed robust attenuation of clinical signs in experimental autoimmune encephalitis. Conclusion This study provides new data that support a central role for C/EBPβ in the biology of activated microglia, and it offers proof of concept for the therapeutic potential of microglial C/EBPβ inhibition in multiple sclerosis. Transcription factor (dpeaa)DE-He213 Neuroinflammation (dpeaa)DE-He213 Lipopolysaccharide (dpeaa)DE-He213 Interferon γ (dpeaa)DE-He213 RNA sequencing (dpeaa)DE-He213 Vidal-Taboada, Jose M. aut Garcia Diaz-Barriga, Gerardo aut Serratosa, Joan aut Valente, Tony aut Castillo, Paola aut Matalonga, Jonathan aut Straccia, Marco aut Canals, Josep M. aut Valledor, Annabel aut Solà, Carme aut Saura, Josep (orcid)0000-0002-5601-4466 aut Enthalten in Journal of neuroinflammation London : BioMed Central, 2004 14(2017), 1 vom: 16. März (DE-627)391784781 (DE-600)2156455-3 1742-2094 nnns volume:14 year:2017 number:1 day:16 month:03 https://dx.doi.org/10.1186/s12974-017-0834-5 kostenfrei Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 14 2017 1 16 03 |
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Pulido-Salgado, Marta @@aut@@ Vidal-Taboada, Jose M. @@aut@@ Garcia Diaz-Barriga, Gerardo @@aut@@ Serratosa, Joan @@aut@@ Valente, Tony @@aut@@ Castillo, Paola @@aut@@ Matalonga, Jonathan @@aut@@ Straccia, Marco @@aut@@ Canals, Josep M. @@aut@@ Valledor, Annabel @@aut@@ Solà, Carme @@aut@@ Saura, Josep @@aut@@ |
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Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage, but the involvement in this neuroprotective effect of the various C/EBPβ-expressing cell types is not solved. Since C/EBPβ-deficient microglia show attenuated neurotoxicity in culture, we hypothesized that specific C/EBPβ deficiency in microglia could be neuroprotective in vivo. In this study, we have tested this hypothesis by generating mice with myeloid C/EBPβ deficiency. Methods Mice with myeloid C/EBPβ deficiency were generated by crossing LysMCre and C/$ EBPβ^{fl/fl} $ mice. Primary microglial cultures from C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice were treated with lipopolysaccharide ± interferon γ (IFNγ) for 6 h, and gene expression was analyzed by RNA sequencing. Gene expression and C/EBPβ deletion were analyzed in vivo in microglia isolated from the brains of C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice treated systemically with lipolysaccharide or vehicle. Mice of LysMCre-C/$ EBPβ^{fl/fl} $ or control genotypes were subjected to experimental autoimmune encephalitis and analyzed for clinical signs for 52 days. One- or two-way ANOVA or Kruskal–Wallis with their appropriate post hoc tests were used. Results LysMCre-C/$ EBPβ^{fl/fl} $ mice showed an efficiency of C/EBPβ deletion in microglia of 100 and 90% in vitro and in vivo, respectively. These mice were devoid of female infertility, perinatal mortality and reduced lifespan that are associated to full C/EBPβ deficiency. Transcriptomic analysis of C/EBPβ-deficient primary microglia revealed C/EBPβ-dependent expression of 1068 genes, significantly enriched in inflammatory and innate immune responses GO terms. In vivo, microglial expression of the pro-inflammatory genes Cybb, Ptges, Il23a, Tnf and Csf3 induced by systemic lipopolysaccharide injection was also blunted by C/EBPβ deletion. CNS expression of C/EBPβ was upregulated in experimental autoimmune encephalitis and in multiple sclerosis samples. Finally, LysMCre-C/$ EBPβ^{fl/fl} $ mice showed robust attenuation of clinical signs in experimental autoimmune encephalitis. 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Myeloid C/EBPβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis Transcription factor (dpeaa)DE-He213 Neuroinflammation (dpeaa)DE-He213 Lipopolysaccharide (dpeaa)DE-He213 Interferon γ (dpeaa)DE-He213 RNA sequencing (dpeaa)DE-He213 |
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Myeloid C/EBPβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis |
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Pulido-Salgado, Marta Vidal-Taboada, Jose M. Garcia Diaz-Barriga, Gerardo Serratosa, Joan Valente, Tony Castillo, Paola Matalonga, Jonathan Straccia, Marco Canals, Josep M. Valledor, Annabel Solà, Carme Saura, Josep |
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myeloid c/ebpβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis |
title_auth |
Myeloid C/EBPβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis |
abstract |
Background CCAAT/enhancer binding protein β (C/EBPβ) is a transcription factor that regulates the expression of important pro-inflammatory genes in microglia. Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage, but the involvement in this neuroprotective effect of the various C/EBPβ-expressing cell types is not solved. Since C/EBPβ-deficient microglia show attenuated neurotoxicity in culture, we hypothesized that specific C/EBPβ deficiency in microglia could be neuroprotective in vivo. In this study, we have tested this hypothesis by generating mice with myeloid C/EBPβ deficiency. Methods Mice with myeloid C/EBPβ deficiency were generated by crossing LysMCre and C/$ EBPβ^{fl/fl} $ mice. Primary microglial cultures from C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice were treated with lipopolysaccharide ± interferon γ (IFNγ) for 6 h, and gene expression was analyzed by RNA sequencing. Gene expression and C/EBPβ deletion were analyzed in vivo in microglia isolated from the brains of C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice treated systemically with lipolysaccharide or vehicle. Mice of LysMCre-C/$ EBPβ^{fl/fl} $ or control genotypes were subjected to experimental autoimmune encephalitis and analyzed for clinical signs for 52 days. One- or two-way ANOVA or Kruskal–Wallis with their appropriate post hoc tests were used. Results LysMCre-C/$ EBPβ^{fl/fl} $ mice showed an efficiency of C/EBPβ deletion in microglia of 100 and 90% in vitro and in vivo, respectively. These mice were devoid of female infertility, perinatal mortality and reduced lifespan that are associated to full C/EBPβ deficiency. Transcriptomic analysis of C/EBPβ-deficient primary microglia revealed C/EBPβ-dependent expression of 1068 genes, significantly enriched in inflammatory and innate immune responses GO terms. In vivo, microglial expression of the pro-inflammatory genes Cybb, Ptges, Il23a, Tnf and Csf3 induced by systemic lipopolysaccharide injection was also blunted by C/EBPβ deletion. CNS expression of C/EBPβ was upregulated in experimental autoimmune encephalitis and in multiple sclerosis samples. Finally, LysMCre-C/$ EBPβ^{fl/fl} $ mice showed robust attenuation of clinical signs in experimental autoimmune encephalitis. Conclusion This study provides new data that support a central role for C/EBPβ in the biology of activated microglia, and it offers proof of concept for the therapeutic potential of microglial C/EBPβ inhibition in multiple sclerosis. © The Author(s). 2017 |
abstractGer |
Background CCAAT/enhancer binding protein β (C/EBPβ) is a transcription factor that regulates the expression of important pro-inflammatory genes in microglia. Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage, but the involvement in this neuroprotective effect of the various C/EBPβ-expressing cell types is not solved. Since C/EBPβ-deficient microglia show attenuated neurotoxicity in culture, we hypothesized that specific C/EBPβ deficiency in microglia could be neuroprotective in vivo. In this study, we have tested this hypothesis by generating mice with myeloid C/EBPβ deficiency. Methods Mice with myeloid C/EBPβ deficiency were generated by crossing LysMCre and C/$ EBPβ^{fl/fl} $ mice. Primary microglial cultures from C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice were treated with lipopolysaccharide ± interferon γ (IFNγ) for 6 h, and gene expression was analyzed by RNA sequencing. Gene expression and C/EBPβ deletion were analyzed in vivo in microglia isolated from the brains of C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice treated systemically with lipolysaccharide or vehicle. Mice of LysMCre-C/$ EBPβ^{fl/fl} $ or control genotypes were subjected to experimental autoimmune encephalitis and analyzed for clinical signs for 52 days. One- or two-way ANOVA or Kruskal–Wallis with their appropriate post hoc tests were used. Results LysMCre-C/$ EBPβ^{fl/fl} $ mice showed an efficiency of C/EBPβ deletion in microglia of 100 and 90% in vitro and in vivo, respectively. These mice were devoid of female infertility, perinatal mortality and reduced lifespan that are associated to full C/EBPβ deficiency. Transcriptomic analysis of C/EBPβ-deficient primary microglia revealed C/EBPβ-dependent expression of 1068 genes, significantly enriched in inflammatory and innate immune responses GO terms. In vivo, microglial expression of the pro-inflammatory genes Cybb, Ptges, Il23a, Tnf and Csf3 induced by systemic lipopolysaccharide injection was also blunted by C/EBPβ deletion. CNS expression of C/EBPβ was upregulated in experimental autoimmune encephalitis and in multiple sclerosis samples. Finally, LysMCre-C/$ EBPβ^{fl/fl} $ mice showed robust attenuation of clinical signs in experimental autoimmune encephalitis. Conclusion This study provides new data that support a central role for C/EBPβ in the biology of activated microglia, and it offers proof of concept for the therapeutic potential of microglial C/EBPβ inhibition in multiple sclerosis. © The Author(s). 2017 |
abstract_unstemmed |
Background CCAAT/enhancer binding protein β (C/EBPβ) is a transcription factor that regulates the expression of important pro-inflammatory genes in microglia. Mice deficient for C/EBPβ show protection against excitotoxic and ischemic CNS damage, but the involvement in this neuroprotective effect of the various C/EBPβ-expressing cell types is not solved. Since C/EBPβ-deficient microglia show attenuated neurotoxicity in culture, we hypothesized that specific C/EBPβ deficiency in microglia could be neuroprotective in vivo. In this study, we have tested this hypothesis by generating mice with myeloid C/EBPβ deficiency. Methods Mice with myeloid C/EBPβ deficiency were generated by crossing LysMCre and C/$ EBPβ^{fl/fl} $ mice. Primary microglial cultures from C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice were treated with lipopolysaccharide ± interferon γ (IFNγ) for 6 h, and gene expression was analyzed by RNA sequencing. Gene expression and C/EBPβ deletion were analyzed in vivo in microglia isolated from the brains of C/$ EBPβ^{fl/fl} $ and LysMCre-C/$ EBPβ^{fl/fl} $ mice treated systemically with lipolysaccharide or vehicle. Mice of LysMCre-C/$ EBPβ^{fl/fl} $ or control genotypes were subjected to experimental autoimmune encephalitis and analyzed for clinical signs for 52 days. One- or two-way ANOVA or Kruskal–Wallis with their appropriate post hoc tests were used. Results LysMCre-C/$ EBPβ^{fl/fl} $ mice showed an efficiency of C/EBPβ deletion in microglia of 100 and 90% in vitro and in vivo, respectively. These mice were devoid of female infertility, perinatal mortality and reduced lifespan that are associated to full C/EBPβ deficiency. Transcriptomic analysis of C/EBPβ-deficient primary microglia revealed C/EBPβ-dependent expression of 1068 genes, significantly enriched in inflammatory and innate immune responses GO terms. In vivo, microglial expression of the pro-inflammatory genes Cybb, Ptges, Il23a, Tnf and Csf3 induced by systemic lipopolysaccharide injection was also blunted by C/EBPβ deletion. CNS expression of C/EBPβ was upregulated in experimental autoimmune encephalitis and in multiple sclerosis samples. Finally, LysMCre-C/$ EBPβ^{fl/fl} $ mice showed robust attenuation of clinical signs in experimental autoimmune encephalitis. Conclusion This study provides new data that support a central role for C/EBPβ in the biology of activated microglia, and it offers proof of concept for the therapeutic potential of microglial C/EBPβ inhibition in multiple sclerosis. © The Author(s). 2017 |
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Myeloid C/EBPβ deficiency reshapes microglial gene expression and is protective in experimental autoimmune encephalomyelitis |
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