Publications by authors named "Opallo N"

Chronic lipid overnutrition has been demonstrated to promote cardiac dysfunction resulting from metabolic derangement, inflammation, and fibrosis. Oleoylethanolamide (OEA), an endogenous peroxisome proliferator activating receptor (PPAR)-α agonist, has been extensively studied for its metabolic properties. The aim of this study was to determine if OEA has beneficial effects on high-fat diet (HFD)-induced cardiac disruption in obese mice, focusing on the underlying pathological mechanisms.

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Metabolic dysfunction-associated fatty liver disease (MAFLD) and diabesity (diabetes related to obesity) are interrelated since glucose and lipid alterations play a vital role in the development of both disorders. Due to their multi-variant metabolic features, more than one drug or natural product may be required to achieve proper therapeutic effects. This study aimed to evaluate the effectiveness of a formulation containing co-micronized palmitoylethanolamide and rutin (PEA-Rut) associated with hydroxytyrosol (HT), namely NORM3, against hepatic damage and metabolic alterations in high-fat diet (HFD)-induced diabesity in mice.

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Article Synopsis
  • - The study investigates how early-life infections affect liver damage and inflammation in young epileptic rats, focusing on gender differences in response to these infections.
  • - Infected male rats showed a stronger inflammatory response and higher levels of pro-inflammatory markers, while female rats displayed significant changes in lipid metabolism and reduced mitochondrial function.
  • - The findings highlight that early infections can worsen liver conditions in epileptic individuals differently based on sex, emphasizing the need for tailored treatment approaches.
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N-acylethanolamines (NAEs) are endogenous lipid-signalling molecules involved in inflammation and energy metabolism. The potential pharmacological effect of NAE association in managing inflammation-based metabolic disorders is unexplored. To date, targeting liver-adipose axis can be considered a therapeutic approach for the treatment of obesity and related dysfunctions.

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Obesity is associated with gastrointestinal (GI) tract and central nervous system (CNS) disorders. High-fat diet (HFD) feeding-induced obesity in mice induces dysbiosis, causing a shift toward bacteria-derived metabolites with detrimental effects on metabolism and inflammation: events often contributing to the onset and progression of both GI and CNS disorders. Palmitoylethanolamide (PEA) is an endogenous lipid mediator with beneficial effects in mouse models of GI and CNS disorders.

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Gut dysbiosis has been involved in the pathogenesis and progression of Parkinson's disease (PD), but the mechanisms through which gut microbiota (GM) exerts its influences deserve further study. Recently, we proposed a two-hit mouse model of PD in which ceftriaxone (CFX)-induced dysbiosis amplifies the neurodegenerative phenotype generated by striatal 6-hydroxydopamine (6-OHDA) injection in mice. Low GM diversity and the depletion of key gut colonizers and butyrate producers were the main signatures of GM alteration in this model.

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The antibiotic-induced intestinal injury (AIJ) is associated with diarrhoea and gastrointestinal discomfort. However, the pathological intestinal mechanisms and related side effects associated with antibiotic use/misuse may be counteracted by probiotics. This study aims to evaluate the effect and the protective mechanisms of a probiotic formulation containing Alkalihalobacillus clausii (formerly Bacillus clausii; BC) spores in an experimental model of AIJ.

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Aims: Bisphenol A (BPA) is an endocrine-disrupting chemical inducing several damages such as neurotoxicity, immunotoxicity, and metabolic disorders. Obesity is the main risk factor for the increased occurrence of metabolic alterations as well as mood disorders. Here, we investigated in obese mice the effects of BPA on anxiety-like behavior, associated with neuroinflammation and immune activation.

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