Kefir peptides mitigate bleomycin-induced pulmonary fibrosis in mice through modulating oxidative stress, inflammation and gut microbiota
Copyright © 2024 The Authors. Published by Elsevier Masson SAS.. All rights reserved..
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a progressive and life-threatening lung disease with high mortality rates. The limited availability of effective drugs for IPF treatment, coupled with concerns regarding adverse effects and restricted responsiveness, underscores the need for alternative approaches. Kefir peptides (KPs) have demonstrated antioxidative, anti-inflammatory, and antifibrotic properties, along with the capability to modulate gut microbiota. This study aims to investigate the impact of KPs on bleomycin-induced pulmonary fibrosis.
METHODS: Mice were treated with KPs for four days, followed by intratracheal injection of bleomycin for 21 days. Comprehensive assessments included pulmonary functional tests, micro-computed tomography (µ-CT), in vivo image analysis using MMPsense750, evaluation of inflammation- and fibrosis-related gene expression in lung tissue, and histopathological examinations. Furthermore, a detailed investigation of the gut microbiota community was performed using full-length 16 S rRNA sequencing in control mice, bleomycin-induced fibrotic mice, and KPs-pretreated fibrotic mice.
RESULTS: In KPs-pretreated bleomycin-induced lung fibrotic mice, notable outcomes included the absence of significant bodyweight loss, enhanced pulmonary functions, restored lung tissue architecture, and diminished thickening of inter-alveolar septa, as elucidated by morphological and histopathological analyses. Concurrently, a reduction in the expression levels of oxidative biomarkers, inflammatory factors, and fibrotic indicators was observed. Moreover, 16 S rRNA sequencing demonstrated that KPs pretreatment induced alterations in the relative abundances of gut microbiota, notably affecting Barnesiella_intestinihominis, Kineothrix_alysoides, and Clostridium_viride.
CONCLUSIONS: Kefir peptides exerted preventive effects, protecting mice against bleomycin-induced lung oxidative stress, inflammation, and fibrosis. These effects are likely linked to modifications in the gut microbiota community. The findings highlight the therapeutic potential of KPs in mitigating pulmonary fibrosis and advocate for additional exploration in clinical settings.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:174 |
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| Enthalten in: |
Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie - 174(2024) vom: 01. Apr., Seite 116431 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Lan, Ying-Wei [VerfasserIn] |
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| Links: |
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| Themen: |
11056-06-7 |
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| Anmerkungen: |
Date Completed 30.04.2024 Date Revised 30.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.biopha.2024.116431 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM370118057 |
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| 520 | |a Copyright © 2024 The Authors. Published by Elsevier Masson SAS.. All rights reserved. | ||
| 520 | |a BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a progressive and life-threatening lung disease with high mortality rates. The limited availability of effective drugs for IPF treatment, coupled with concerns regarding adverse effects and restricted responsiveness, underscores the need for alternative approaches. Kefir peptides (KPs) have demonstrated antioxidative, anti-inflammatory, and antifibrotic properties, along with the capability to modulate gut microbiota. This study aims to investigate the impact of KPs on bleomycin-induced pulmonary fibrosis | ||
| 520 | |a METHODS: Mice were treated with KPs for four days, followed by intratracheal injection of bleomycin for 21 days. Comprehensive assessments included pulmonary functional tests, micro-computed tomography (µ-CT), in vivo image analysis using MMPsense750, evaluation of inflammation- and fibrosis-related gene expression in lung tissue, and histopathological examinations. Furthermore, a detailed investigation of the gut microbiota community was performed using full-length 16 S rRNA sequencing in control mice, bleomycin-induced fibrotic mice, and KPs-pretreated fibrotic mice | ||
| 520 | |a RESULTS: In KPs-pretreated bleomycin-induced lung fibrotic mice, notable outcomes included the absence of significant bodyweight loss, enhanced pulmonary functions, restored lung tissue architecture, and diminished thickening of inter-alveolar septa, as elucidated by morphological and histopathological analyses. Concurrently, a reduction in the expression levels of oxidative biomarkers, inflammatory factors, and fibrotic indicators was observed. Moreover, 16 S rRNA sequencing demonstrated that KPs pretreatment induced alterations in the relative abundances of gut microbiota, notably affecting Barnesiella_intestinihominis, Kineothrix_alysoides, and Clostridium_viride | ||
| 520 | |a CONCLUSIONS: Kefir peptides exerted preventive effects, protecting mice against bleomycin-induced lung oxidative stress, inflammation, and fibrosis. These effects are likely linked to modifications in the gut microbiota community. The findings highlight the therapeutic potential of KPs in mitigating pulmonary fibrosis and advocate for additional exploration in clinical settings | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bleomycin | |
| 650 | 4 | |a Gut microbiota community | |
| 650 | 4 | |a Idiopathic pulmonary fibrosis (IPF) | |
| 650 | 4 | |a Inflammation | |
| 650 | 4 | |a Kefir peptides (KPs) | |
| 650 | 7 | |a Bleomycin |2 NLM | |
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| 650 | 7 | |a Peptides |2 NLM | |
| 650 | 7 | |a Anti-Inflammatory Agents |2 NLM | |
| 700 | 1 | |a Chen, Ying-Cheng |e verfasserin |4 aut | |
| 700 | 1 | |a Yen, Chih-Ching |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Hsiao-Ling |e verfasserin |4 aut | |
| 700 | 1 | |a Tung, Min-Che |e verfasserin |4 aut | |
| 700 | 1 | |a Fan, Hueng-Chuen |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Chuan-Mu |e verfasserin |4 aut | |
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