2023
DOI: 10.3390/microorganisms11020460
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The Microbiota-Dependent Worsening Effects of Melatonin on Gut Inflammation

Abstract: Dysbiosis and disturbances in gut homeostasis may result in dysregulated responses, which are common in inflammatory bowel diseases (IBD). These conditions may be refractory to the usual treatments and novel therapies are still necessary to reach a more successful regulation of intestinal immunity. The hormone melatonin (MLT) has been raised as a therapeutic alternative because of its known interactions with immune responses and gut microbiota. Hence, we evaluated the effects of MLT in experimental colitis tha… Show more

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Cited by 4 publications
(4 citation statements)
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“…Melatonin supplementation to mice challenged by a colitis model led to increased intestinal inflammation and permeability with augmented tissue levels of TNF and circulating mononuclear cells and neutrophils. The pro-inflammatory effect of melatonin was associated with reduced Bacteroidetes and abundance in the Actinobacteria and Verrucomicrobia phyla, and when the dysbiosis was corrected, this effect was not observed ( 37 ).…”
Section: Gut-derived Melatonin May Be Affected By Intestinal Microbio...mentioning
confidence: 99%
“…Melatonin supplementation to mice challenged by a colitis model led to increased intestinal inflammation and permeability with augmented tissue levels of TNF and circulating mononuclear cells and neutrophils. The pro-inflammatory effect of melatonin was associated with reduced Bacteroidetes and abundance in the Actinobacteria and Verrucomicrobia phyla, and when the dysbiosis was corrected, this effect was not observed ( 37 ).…”
Section: Gut-derived Melatonin May Be Affected By Intestinal Microbio...mentioning
confidence: 99%
“…Эти бактериальные токсины могут изменять проницаемость гематоэнцефалического барьера или повышают проницаемость стенки кишечника. Присутствие LPS из Bacteroides fragilis в сыворотке крови вносит вклад в воспаление при ВЗК [da Silva et al, 2023]. Недостатками препаратов первой линии терапии при ВЗК, включая производные 5-аминосалициловой кислоты, глюкокортикостероиды, иммуносупрессоры, генно-инженерные биологические препараты, являются побочные эффекты, в том числе системная иммуносупрессия, индивидуальная непереносимость, рефрактерность более чем у 30% пациентов [Kim et al, 2022].…”
Section: Introductionunclassified
“…Среди биологически активных веществ может быть использован мелатонин (МТ), обладающий плейотропными свойствами. Его действие связано с регуляцией циркадных ритмов, предотвращением окислительного стресса, а также с уменьшением воспалительной инфильтрации тканей [Ma et al, 2020;da Silva et al, 2023]. Секреция МТ в желудочно-кишечном тракте, на которую может влиять циркадный ритм, связана с потреблением пищи.…”
Section: Introductionunclassified
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