Publications by authors named "Shulin Fu"

T-2 toxin, a highly toxic type A trichothecene, is a secondary fungal metabolite produced by various Fusarium species. The consumption of food and feed contaminated with T-2 toxin is a major factor contributing to growth retardation, posing significant risks to both human and animal health. However, the specific targets and mechanisms that mitigate T-2 toxin-induced growth retardation remain unclear.

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  • A gram-negative pathogen can infect both animals and humans, causing significant economic damage to livestock.
  • This study investigates the antibacterial properties of 18β-Glycyrrhetinic acid, identifying secreted proteins with eukaryotic-like domains that are regulated by this compound.
  • Results indicate that 18β-Glycyrrhetinic acid affects bacterial energy metabolism and virulence factor expression, suggesting potential for alternative antibiotic therapies in managing infections.
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Clostridium perfringens (C. perfringens) causes avian necrotic enteritis, leading to huge economic losses to the poultry industry. This pathogen induces host immunosuppression; however, the molecular mechanism is still unclear.

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Infection of piglets with Glaesserella parasuis (G. parasuis) induces host immunosuppression. However, the mechanism underlying the immunosuppression of piglets remains unclear.

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Glaesserella parasuis (G. parasuis) induces vascular damage and systemic inflammation. However, the mechanism by which it causes vascular damage is currently unclear.

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Enterotoxigenic (ETEC) is the main bacterial cause of diarrhea in weaned piglets. Baicalin-aluminum (BA) complex is the main active ingredient of Georgi extracted-aluminum complex, which has been used to treat diarrhea in weaning piglets, however the underlying mechanism remains unclear. To investigate the effects of the BA complex on the regulation of porcine intestinal epithelial (IPEC-1) cells infected with ETEC, IPEC-1 cells were incubated with an ETEC bacterial strain at a multiplicity of infection of 1 for 6 h and then treated with different concentrations of the BA complex for 6 h.

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  • Poultry necrotic enteritis is a serious disease in chickens that can be controlled with antibiotics, but rising antibiotic resistance is a concern.
  • Anemoside B4 has anti-inflammatory and immunomodulatory properties and was tested for its effects on this disease, showing it inhibited harmful processes in Caco-2 cells without exhibiting antibacterial activity.
  • The study found that Anemoside B4 improved health markers in infected chickens, reduced tissue damage, and enhanced protective proteins in the intestines, demonstrating its potential as an alternative treatment.
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  • This study investigates the effects of quercetin on brain inflammation and blood-brain barrier (BBB) integrity in a mouse model affected by infection.
  • Researchers found that infection caused significant brain inflammation and disrupted BBB integrity, while quercetin demonstrated anti-inflammatory and protective properties.
  • The results suggest that quercetin may help maintain BBB integrity through the activation of the PI3K/Akt/Erk signaling pathway, indicating its potential as a natural treatment for infections.
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Porcine extraintestinal pathogenic (ExPEC) is a pathogenic bacterium that causes huge economic losses to the pig farming industry and considerably threatens human health. The quorum sensing (QS) system plays a crucial role in the survival and pathogenesis of pathogenic bacteria. Hence, it is a viable approach to prevent ExPEC infection by compromising the QS system, particularly the LuxS/AI-2 system.

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  • * Quercetin, a natural compound, shows promise in reducing intestinal injury caused by DON, with identified key proteins NQO1 and PPAR-γ involved in its protective effects.
  • * Using network pharmacology and molecular docking, researchers have clarified how quercetin interacts with these proteins, suggesting pathways related to oxidative stress that could inform future treatments for pigs affected by DON.
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  • - Glaesserella parasuis is a bacterial pathogen that causes Glässer's disease in piglets, leading to potential immunosuppression, prompting researchers to study its effects on the immune response.
  • - In a controlled experiment, 20 piglets were divided into infection and control groups to analyze changes in spleen immune cell differentiation and PD-1/PD-L1 expression after being infected with the bacteria.
  • - The study discovered significant differences in protein expression in the spleen tissue of infected piglets, with 596 proteins showing changes linked to immune responses, marking the first investigation of PD-1/PD-L1 in the context of immunosuppression in piglets.
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  • Bacterial lipopolysaccharide (LPS) exposure leads to intestinal inflammation and reduced growth in weaned piglets, impacting the swine industry economically.
  • Baicalin, a compound from Scutellaria baicalensis, may alleviate this inflammation through its anti-inflammatory properties.
  • The study suggests that baicalin targets the PARP1 protein to regulate inflammation-related pathways, potentially serving as a therapeutic option for LPS-induced intestinal injury.
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  • The pathogen can damage endothelial barriers in piglets, but its inflammatory mechanism is not yet understood.
  • Baicalin, known for its anti-inflammatory and antioxidant properties, was tested to see if it could alleviate this damage in porcine vascular endothelial cells.
  • The study found that baicalin inhibited expression of certain proteins and reduced the release of various nucleosides, indicating its potential as a target for treating inflammation-related diseases.
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Contamination with fumonisin B1 (FB1) represents a global health problem. FB1 exposure may also trigger intestinal injury by activating inflammatory responses, leading to a reduction in production performance and economic benefits. However, the mechanism of FB1-induced intestinal inflammatory injury is still unclear.

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type A is the main cause of necrotic enteritis (NE) in chickens. Since the use of antibiotics in feed is withdrawn, it is imperative to find out suitable alternatives to control NE. Baicalin-aluminum complex is synthesized from baicalin, a flavonoid isolated from Georgi.

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Porcine extraintestinal pathogenic (ExPEC) is a leading cause of death in pigs and has led to considerable economic losses for the pig industry. Porcine ExPEC infections often cause systemic inflammatory responses in pigs, characterized by meningitis, arthritis, pneumonia, and septicemia. Baicalin has been reported to possess potent anti-inflammatory activity, but its function in porcine ExPEC remains unknown.

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Background: At present, the treatment and prevention of infections in pigs mainly rely on antibiotics and vaccines, but inflammatory injury cannot be eliminated. The compound 18β-glycyrrhetinic acid (GA), a pentacyclic triterpenoid extracted from . root (liquorice) and with a chemical structure similar to that of steroidal hormones, has become a research focus because of its anti-inflammatory, antiulcer, antimicrobial, antioxidant, immunomodulatory, hepatoprotective and neuroprotective effects, but its potential for the treatment of vascular endothelial inflammatory injury by infections has not been evaluated.

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  • The gut microbiome plays a vital role in maintaining host health, but excessive antibiotic use can disrupt this balance and lead to health issues.
  • This study investigates how the broad-spectrum antibiotic colistin affects the microbiome in various gastrointestinal regions of piglets using advanced metagenome analyses.
  • Findings show that colistin significantly alters the composition of gut microbiota, increasing certain bacterial abundances while decreasing others, which has implications for animal health and potential effects on human public health.
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(GPS), a causative agent of Glässer's disease, is thought to be the main fatal cause of peritonitis in swine, thus resulting in high mortality and morbidity and significant economic losses to the swine industry. However, the mechanisms of GPS infection-induced apoptosis and possible therapeutic pathway for GPS infection in peritonitis remain unclear. Baicalin has important biological functions during disease treatment, such as antiviral, bacterial inhibition, anti-apoptosis, and anti-inflammatory.

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  • - Colistin, an antibiotic effective against multi-resistant Gram-negative bacteria, is widely used in both human medicine and animal husbandry, raising concerns about environmental contamination from animal waste.
  • - A study analyzed how colistin interacts with different soil types (sandy loam, loam, and sand), finding it has a strong and irreversible adsorption affinity, especially to sandy loam, affecting its degradation rates.
  • - Colistin showed slow degradation in sandy loam, with a half-life of 13.2 to 29.7 days, and significant amounts remained even after 14 days, indicating potential long-term environmental persistence.
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() can elicit serious inflammatory responses and cause meningitis in piglets. Previous epigenetic studies have indicated that alterations in host DNA methylation may modify the inflammatory response to bacterial infection. However, to date, genome-wide analysis of the DNA methylome during meningitis caused by infection is still lacking.

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The gut microbiome plays important roles in maintaining host health, and inappropriate use of antibiotics can cause imbalance, which may contribute to serious disease. However, despite its promise, using metagenomic sequencing to explore the effects of colistin on gut microbiome composition in pig has not been reported. Herein, we evaluated the roles of colistin in gut microbiome modulation in pigs.

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() can cause Glässer's disease and severely affect swine industry worldwide. This study is an attempt to address the issue of the capability of to damage the vascular barrier and the effects of baicalin on vascular tight junctions (TJ) in order to investigate the interactions between the pathogen and the porcine vascular endothelium. Piglets were challenged with and treated with or without baicalin.

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causes porcine Glässer's disease and lipopolysaccharide (LPS) induces acute inflammation and pathological damage. Baicalin has antioxidant, antimicrobial, and anti-inflammatory functions. Long noncoding RNAs (lncRNAs) play key regulatory functions during bacterial infection.

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