Publications by authors named "Yannan Xiang"

Avermectin is a commonly used insect repellent for aquaculture and crops, but it is easy to remain in the aquatic environment, causing organism disorders, inflammation, and even death. This resulted in significant economic losses to the carp aquaculture industry. Silybin has antioxidant, anti-inflammatory, and anti-apoptotic properties.

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Long-term residue of difenoconazole (DFZ) in the environment caused multiple organ damage to aquatic organisms. Due to the potential hepatoprotective and neuroprotective properties of silybin (SIL), we hypothesized that SIL could alleviate growth inhibition, liver, and brain damage in carp induced by DFZ exposure. The in vivo experiments were divided into the Control group, the SIL group, the DFZ group and the DFZ + SIL group.

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Article Synopsis
  • Avermectin (AVM) contamination in aquatic systems is a growing concern for freshwater aquaculture, particularly in causing chronic renal injury in carp.
  • The study investigates how dietary supplementation with Quercetin (QUE), known for its anti-inflammatory and antioxidant properties, affects renal function in carp exposed to AVM.
  • Results showed that QUE reduced renal damage, lowered pro-inflammatory cytokine expression, decreased reactive oxygen species (ROS) accumulation, and improved markers related to oxidative stress and ferroptosis, suggesting it could protect carp from the harmful effects of AVM.
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Intestinal barrier dysfunction is a significant complication induced by sepsis, yet therapeutic strategies targeting such dysfunction remain inadequate. This study investigates the protective effects of Gypenoside XLIX (Gyp XLIX) against intestinal damage induced by sepsis. Septic intestinal injury in mice was induced by cecum ligation and puncture (CLP) surgery.

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Difenoconazole (DFZ), classified as a "low-toxicity pesticide," has seen widespread application in recent years. Nevertheless, the non-target toxicity of the substance, particularly towards aquatic creatures, has generated considerable apprehension. The anti-inflammatory and antioxidant effects of Ferulic Acid (FA) have attracted considerable study in this particular setting.

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Avermectin (AVM) has been utilized extensively in agricultural production since it is a low-toxicity pesticide. However, the pollution caused by its residues to fisheries aquaculture has been neglected. As an abundant polyphenolic substance in plants, ferulic acid (FA) possesses anti-inflammatory and antioxidant effects.

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Currently, treatment options for acute lung injury (ALI) are limited. Gypenoside XLIX (Gyp-XLIX) is known for its anti-inflammatory properties, but there is a lack of extensive research on its effects against ALI. This study induced ALI in mice through cecal ligation and puncture surgery and investigated the biological activity and potential mechanisms of Gypenoside XLIX (40 mg/kg) by intraperitoneal injection.

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Avamectin (AVM), a macrolide antibiotic, is widely used in fisheries, agriculture, and animal husbandry, however, its irrational use poses a great danger to aquatic organisms. Ferulic acid (FA) is a natural chemical found in the cell walls of plants. It absorbs free radicals from the surrounding environment and acts as an antioxidant.

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Liver is one of the vital organs in the human body and liver injury will have a very serious impact on human damage. Gypenoside XLIX is a PPAR-α activator that inhibits the activation of the NF-κB signaling pathway. The components of XLIX have pharmacological effects such as cardiovascular protection, antihypoxia, anti-tumor and anti-aging.

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The concept of multi-target-directed ligands offers fresh perspectives for the creation of brand-new Alzheimer's disease medications. To explore their potential as multi-targeted anti-Alzheimer's drugs, eighteen new bakuchiol derivatives were designed, synthesized, and evaluated. The structures of the new compounds were elucidated by IR, NMR, and HRMS.

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Flavonoid quercetin (QUE) has biological activities of anti-oxidation, anti-inflammation and anti-apoptosis, however, its protective effects against avermectin (AVM) induced liver toxicity in carp remains unclear. The objective of this research is to explore the biologically potent effects of QUE in AVM-induced hepatotoxicity in carp and its underlying mechanism. Therefore, we established a liver injury model in carp induced by AVM to evaluate QUE against AVM induced liver toxicity in carp.

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Article Synopsis
  • β-agonists are synthetic drugs that can cause poisoning if found in food, prompting the need for effective detection methods in products like fermented ham.
  • A novel sample preparation method using enzyme digestion and cation exchange purification was developed, enhancing the detection of four specific β-agonists using advanced UHPLC-MS/MS technology.
  • The method proved reliable, with a strong recovery rate and low limits of detection, successfully identifying β-agonist residues in commercial ham, with only one sample testing positive for clenbuterol.
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pomace accounts for 20% of the fruit's weight that is not utilized when it is juiced. The pomace contains bioactive phenolic substances such as anthocyanins and flavonoids. To improve the utilization value of pomace, an optimized extraction method for the residual polyphenols was developed using response surface methodology (RSM).

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