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- Lactobacillus rhamnosus KBL2290 Ameliorates Gut Inflammation in a Mouse Model of Dextran Sulfate Sodium‑Induced Colitis
- Woon-ki Kim , Sung-gyu Min , Heeun Kwon , SungJun Park , Min Jung Jo , GwangPyo Ko
- J. Microbiol. 2023;61(7):673-682. Published online June 14, 2023
- DOI: https://doi.org/10.1007/s12275-023-00061-5
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- 5 Web of Science
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Abstract
- Ulcerative colitis, a major form of inflammatory bowel disease (IBD) associated with chronic colonic inflammation, may be induced via overreactive innate and adaptive immune responses. Restoration of gut microbiota abundance and diversity is important to control the pathogenesis. Lactobacillus spp., well-known probiotics, ameliorate IBD symptoms via various mechanisms, including modulation of cytokine production, restoration of gut tight junction activity and normal mucosal thickness, and alterations in the gut microbiota. Here, we studied the effects of oral administration of Lactobacillus rhamnosus (L. rhamnosus) KBL2290 from the feces of a healthy Korean individual to mice with DSS-induced colitis. Compared to the dextran sulfate sodium (DSS) + phosphate-buffered saline control group, the DSS + L. rhamnosus KBL2290 group evidenced significant improvements in colitis symptoms, including restoration of body weight and colon length, and decreases in the disease activity and histological scores, particularly reduced levels of pro-inflammatory cytokines and an elevated level of anti-inflammatory interleukin-10. Lactobacillus rhamnosus KBL2290 modulated the levels of mRNAs encoding chemokines and markers of inflammation; increased regulatory T cell numbers; and restored tight junction activity in the mouse colon. The relative abundances of genera Akkermansia, Lactococcus, Bilophila, and Prevotella increased significantly, as did the levels of butyrate and propionate (the major short-chain fatty acids). Therefore, oral L. rhamnosus KBL2290 may be a useful novel probiotic.
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- Dietary supplementation with proanthocyanidins and rutin alleviates the symptoms of type 2 diabetes mice and regulates gut microbiota
Yue Gao, Binbin Huang, Yunyi Qin, Bing Qiao, Mengfei Ren, Liqing Cao, Yan Zhang, Maozhen Han
Frontiers in Microbiology.2025;[Epub] CrossRef - Probiotics: Shaping the gut immunological responses
Eirini Filidou, Leonidas Kandilogiannakis, Anne Shrewsbury, George Kolios, Katerina Kotzampassi
World Journal of Gastroenterology.2024; 30(15): 2096. CrossRef - Synergistic effects of probiotics with soy protein alleviate ulcerative colitis by repairing the intestinal barrier and regulating intestinal flora
Rentang Zhao, Bingqing Shang, Luyan Sun, Suyuan Lv, Guolong Liu, Qiu Wu, Yue Geng
Journal of Functional Foods.2024; 122: 106514. CrossRef - Lactobacillus gasseri BNR17 and Limosilactobacillus fermentum ABF21069 Ameliorate High Sucrose-Induced Obesity and Fatty Liver via Exopolysaccharide Production and β-oxidation
Yu Mi Jo, Yoon Ji Son, Seul-Ah Kim, Gyu Min Lee, Chang Won Ahn, Han-Oh Park, Ji-Hyun Yun
Journal of Microbiology.2024; 62(10): 907. CrossRef - Immune-Stimulating Potential of Lacticaseibacillus rhamnosus LM1019 in RAW 264.7 Cells and Immunosuppressed Mice Induced by Cyclophosphamide
Yeji You, Sung-Hwan Kim, Chul-Hong Kim, In-Hwan Kim, YoungSup Shin, Tae-Rahk Kim, Minn Sohn, Jeseong Park
Microorganisms.2023; 11(9): 2312. CrossRef
- Dietary supplementation with proanthocyanidins and rutin alleviates the symptoms of type 2 diabetes mice and regulates gut microbiota
- The novel antifungal agent AB-22 displays in vitro activity against hyphal growth and biofilm formation in Candida albicans and potency for treating systemic candidiasis
- Kyung-Tae Lee , Dong-Gi Lee , Ji Won Choi , Jong-Hyun Park , Ki Duk Park , Jong-Seung Lee , Yong-Sun Bahn
- J. Microbiol. 2022;60(4):438-443. Published online March 14, 2022
- DOI: https://doi.org/10.1007/s12275-022-2016-0
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- 1 Web of Science
- 1 Scopus
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Abstract
- Systemic candidiasis, which is mainly caused by Candida albicans, is a serious acute fungal infection in the clinical setting. In a previous study, we reported that compound 22h (designated as AB-22 in this study), a vinyl sulfate compound, is a fast-acting fungicidal agent against a broad spectrum of fungal pathogens. In this study, we aimed to further analyze the in vitro and in vivo efficacy of AB-22 against filamentation, biofilm formation, and virulence of C. albicans. Under in vitro hyphal growth-inducing condition, AB-22 effectively inhibited germ tube formation and hyphal growth, which are required for the initiation of biofilm formation. Indeed, AB-22 significantly suppressed C. albicans biofilm formation in a dose-dependent manner. Moreover, AB-22 treatment inhibited the normal induction of ALS3, HWP1, and ECE1, which are all required for hyphal transition in C. albicans. Furthermore, AB-22 treatment increased the survival of mice systemically infected with C. albicans. In conclusion, in addition to its fungicidal activity, AB-22 inhibits filamentation and biofilm formation in C. albicans, which could collectively contribute to its potent in vivo efficacy against systemic candidiasis.
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