Dampened Inflammation and Improved Survival After CXCL5 Administration in Murine Lupus via Myeloid and Neutrophil Pathways
© 2022 The Authors. Arthritis & Rheumatology published by Wiley Periodicals LLC on behalf of American College of Rheumatology..
OBJECTIVE: To determine the efficacy of CXCL5 administration in lupus-prone MRL/lpr (Faslpr ) mice and elucidate its working mechanisms.
METHODS: CXCL5 expression in blood (obtained from SLE patients and Faslpr mice) and major internal organs (obtained from Faslpr mice) was examined by Luminex, real-time polymerase chain reaction, and immunofluorescent staining analyses. Pharmacokinetic studies were performed in Faslpr mice and healthy Institute of Cancer Research mice. Efficacy of CXCL5 administration was demonstrated in Faslpr mice, and the working mechanism of CXCL5 treatment was elucidated by flow cytometry, Luminex, and RNA sequencing.
RESULTS: In SLE patients, serum CXCL5 levels were significantly lower than in healthy individuals (P < 0.0001) and negatively correlated with disease activity (P = 0.004). In Faslpr mice, disease severity progressed with age and was negatively associated with plasma CXCL5 levels. Intravenous administration of CXCL5 to Faslpr mice restored endogenous circulatory CXCL5, improved mice survival, and reduced anti-double-stranded DNA antibodies, proteinuria, lupus nephritis activity and chronicity indices, renal complements, and neutrophil extracellular traps over short-term (10 weeks) and long-term (2 years) time periods. In vitro and in vivo assays demonstrated that CXCL5 dictated neutrophil trafficking and suppressed neutrophil activation, degranulation, proliferation, and renal infiltration. Renal and splenic RNA sequencing further showed that CXCL5-mediated immunomodulation occurred by promoting energy production in renal-infiltrated immune cells, activating certain T cells, and reducing tissue fibrosis, granulocyte extravasation, complement components, and interferons. Further factorial design results indicated that CXCL5 appears to enhance host tolerability to cyclophosphamide in vulnerable individuals.
CONCLUSION: We found that serum CXCL5 levels were significantly lower in SLE patients than in healthy individuals and were negatively correlated with disease activity. By administering CXCL5 intravenously in a mouse model of lupus, mouse survival improved, and indices of disease activity reduced significantly. Taken together, these findings indicate CXCL5 administration may represent a novel myeloid/neutrophil-targeting therapy for SLE.
| Errataetall: |
CommentIn: Nat Rev Rheumatol. 2022 Dec;18(12):673. - PMID 36323870 |
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| Medienart: |
E-Artikel |
| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:75 |
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| Enthalten in: |
Arthritis & rheumatology (Hoboken, N.J.) - 75(2023), 4 vom: 25. Apr., Seite 553-566 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Fan, Xiubo [VerfasserIn] |
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| Anmerkungen: |
Date Completed 03.04.2023 Date Revised 05.04.2023 published: Print-Electronic CommentIn: Nat Rev Rheumatol. 2022 Dec;18(12):673. - PMID 36323870 Citation Status MEDLINE |
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| doi: |
10.1002/art.42383 |
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| Förderinstitution / Projekttitel: |
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NLM347551416 |
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| 245 | 1 | 0 | |a Dampened Inflammation and Improved Survival After CXCL5 Administration in Murine Lupus via Myeloid and Neutrophil Pathways |
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| 500 | |a Date Revised 05.04.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a CommentIn: Nat Rev Rheumatol. 2022 Dec;18(12):673. - PMID 36323870 | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2022 The Authors. Arthritis & Rheumatology published by Wiley Periodicals LLC on behalf of American College of Rheumatology. | ||
| 520 | |a OBJECTIVE: To determine the efficacy of CXCL5 administration in lupus-prone MRL/lpr (Faslpr ) mice and elucidate its working mechanisms | ||
| 520 | |a METHODS: CXCL5 expression in blood (obtained from SLE patients and Faslpr mice) and major internal organs (obtained from Faslpr mice) was examined by Luminex, real-time polymerase chain reaction, and immunofluorescent staining analyses. Pharmacokinetic studies were performed in Faslpr mice and healthy Institute of Cancer Research mice. Efficacy of CXCL5 administration was demonstrated in Faslpr mice, and the working mechanism of CXCL5 treatment was elucidated by flow cytometry, Luminex, and RNA sequencing | ||
| 520 | |a RESULTS: In SLE patients, serum CXCL5 levels were significantly lower than in healthy individuals (P < 0.0001) and negatively correlated with disease activity (P = 0.004). In Faslpr mice, disease severity progressed with age and was negatively associated with plasma CXCL5 levels. Intravenous administration of CXCL5 to Faslpr mice restored endogenous circulatory CXCL5, improved mice survival, and reduced anti-double-stranded DNA antibodies, proteinuria, lupus nephritis activity and chronicity indices, renal complements, and neutrophil extracellular traps over short-term (10 weeks) and long-term (2 years) time periods. In vitro and in vivo assays demonstrated that CXCL5 dictated neutrophil trafficking and suppressed neutrophil activation, degranulation, proliferation, and renal infiltration. Renal and splenic RNA sequencing further showed that CXCL5-mediated immunomodulation occurred by promoting energy production in renal-infiltrated immune cells, activating certain T cells, and reducing tissue fibrosis, granulocyte extravasation, complement components, and interferons. Further factorial design results indicated that CXCL5 appears to enhance host tolerability to cyclophosphamide in vulnerable individuals | ||
| 520 | |a CONCLUSION: We found that serum CXCL5 levels were significantly lower in SLE patients than in healthy individuals and were negatively correlated with disease activity. By administering CXCL5 intravenously in a mouse model of lupus, mouse survival improved, and indices of disease activity reduced significantly. Taken together, these findings indicate CXCL5 administration may represent a novel myeloid/neutrophil-targeting therapy for SLE | ||
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| 700 | 1 | |a Guo, Dianyang |e verfasserin |4 aut | |
| 700 | 1 | |a Lim, Frances |e verfasserin |4 aut | |
| 700 | 1 | |a Tan, Jia Chi |e verfasserin |4 aut | |
| 700 | 1 | |a Law, Annie |e verfasserin |4 aut | |
| 700 | 1 | |a Goh, Lim Hee |e verfasserin |4 aut | |
| 700 | 1 | |a Poon, Zhi Yong |e verfasserin |4 aut | |
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| 700 | 1 | |a Kong, Say Li |e verfasserin |4 aut | |
| 700 | 1 | |a Tan, Michelle |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Shang |e verfasserin |4 aut | |
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| 700 | 1 | |a Hwang, William |e verfasserin |4 aut | |
| 700 | 1 | |a Low, Andrea |e verfasserin |4 aut | |
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