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Mechanism of Pediococcus acidilacticus YH-15 on Fat Reduction

ABSTRACT:

Obesity and related metabolic syndromes pose a growing global health challenge, increasingly linked to severe complications including cardiovascular disease, type 2 diabetes, and non-alcoholic fatty liver disease. High-fat diet (HFD) serves as a key environmental driver of obesity, disrupting gut microbiota structure and host metabolic pathways to promote lipid accumulation and systemic inflammation. The gut microbiota plays a vital role in metabolic regulation by producing bioactive molecules such as short-chain fatty acids (SCFAs) and bile acids (BAs) that modulate energy balance and immune function. Pediococcus acidilactici YH-15, a potential probiotic strain, demonstrates promise in ameliorating HFD-induced metabolic dysregulation, providing a foundation for developing weight-management therapeutics for cats.

INSTRUMENT(S): Liquid Chromatography MS - negative - reverse-phase, Liquid Chromatography MS - positive - reverse-phase

PROVIDER: MTBLS13595 | MetaboLights | 2026-01-04

REPOSITORIES: MetaboLights

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			Action	DRS
	a_MTBLS13595_LC-MS_negative_reverse-phase_metabolite_profiling-1.txt	Txt
	a_MTBLS13595_LC-MS_negative_reverse-phase_metabolite_profiling.txt	Txt
	a_MTBLS13595_LC-MS_positive_reverse-phase_metabolite_profiling-1.txt	Txt
	a_MTBLS13595_LC-MS_positive_reverse-phase_metabolite_profiling.txt	Txt
	i_Investigation.txt	Txt

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Project description:An 8-week high fat palm oil diet causes obesity and insulin resistance in C57BL/6J mice, but induces only small changes in the muscle transcriptome. Introduction: The metabolic syndrome (MS) is a cluster of metabolic abnormalities linked to an increased risk of type 2 diabetes and cardiovascular diseases. Two major characteristics of the MS are obesity and insulin resistance. In the present study we investigated the effect of obesity and insulin resistance on the mouse muscle transcriptome. Methods: C57BL/6J mice were fed a palm oil-based low fat diet (LFD) or high fat diet (HFD) for eight weeks. Microarray analysis was performed by using two complementary strategies: (1) 8-week HFD transcriptome versus 8-week LFD transcriptome and (2) transcriptome of mice sacrificed at the start of the intervention versus 8-week LFD transcriptome and 8-week HFD transcriptome, respectively. Results: HFD mice develop obesity and whole-body insulin resistance. Despite these metabolic disturbances we found that HFD induces relatively small changes in gene expression (< 1.3 fold). Only the up-regulation of FA oxidation and the down-regulation of the MAPK cascade were specific for the HFD intervention. Eight-weeks of aging induced more changed gene expression levels than the HFD, including genes involved in cell-cell interaction and development. Conclusion: Eight weeks of aging induce more pronounced changes in the muscle transcriptome than an HFD. Since only one strategy revealed the transcriptional down-regulation of the MAPK cascade, whereas both strategies showed the up-regulation of FA oxidation we suggest the use of complementary analysis strategies by the genome-wide search of gene expression changes induced by mild interventions, such as an HFD. Keywords: diet intervention and time course In this study, C57BL/6J mice were fed a high fat (HF) diet for 8 weeks to induce obesity and insulin resistance. Plasma levels of the adipokines leptin and adiponectin were measured. To investigate how these metabolic disturbances will influence the skeletal muscle transcriptome we performed whole-genome microarray analysis. Functional implications were assessed by analyses of predefined gene sets based on Gene Ontology, biochemical, metabolic and signaling pathways.

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Mechanism of Pediococcus acidilacticus YH-15 on Fat Reduction

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