Publications by authors named "Shiwen Xu"

Selenium (Se) mainly functions in the form of selenoproteins. Low Se diet causes skeletal muscle injury and expression changes in miRNA and selenoprotein. Selenoprotein T (SelT) is reported to be a key molecule in Ca/CaMKII signaling.

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Glyphosate (N-[phosphonomethyl] glycine, GLY) is the active ingredient of the most widely used commercialized herbicide, and its use increases the potential for co-occurrence with flame retardants such as Tetrabromobisphenol A (TBBPA), posing a threat to aquatic systems and food safety. Therefore, it is important to prioritize evaluating these two compounds' combined toxicity. However, only a few studies have analyzed the effects of pollutant mixing on fish from the perspectives of molecular and nutritional components.

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Silicon dioxide particles (SiO) have been widely used in food additives. Increasing data demonstrate that SiO can cause multisystem damage through oxidative stress. Quercetin (Que) is one of the most popular nutritional antioxidants.

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With the widespread application of the brominated flame retardant tetrabromobisphenol A (TBBPA), it poses a threat to human health, especially intestinal health. Quercetin (Que) is a flavonol compound with anti-inflammatory and antioxidant properties. However, whether Que can prevent TBBPA-induced intestinal toxicity remains unknown.

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Selenium is widely acknowledged as an indispensable trace element for humans and various animals, including poultry. The addition of selenium in appropriate doses plays a crucial role in promoting poultry growth and reproduction. Conversely, both deficiency and excessive intake of selenium can pose significant threats to poultry health and production performance.

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Objective: Scleroderma is a life-threatening autoimmune disease characterized by inflammation, tissue remodelling, and fibrosis. This study aimed to investigate the expression and function of transglutaminase 2 (TGM2) in scleroderma skin and experimentally-induced dermal fibrosis to determine its potential role and therapeutic implications.

Methods: We performed immunohistochemistry on skin sections to assess TGM2 expression and localisation, and protein biochemistry of both SSc-derived and healthy control dermal fibroblasts to assess TGM2 expression, function and ECM deposition in the presence of a TGM2 and TGFβ neutralizing antibodies and a small molecule inhibitor of the TGFβRI kinase.

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Emamectin benzoate (EMB) is a pesticide that is frequently used. Nanoplastics (NPs) are a recently identified class of pollutants that are ubiquitous in the environment. In the aquatic environment, NPs can appear together with EMB, which may exacerbates the damage to water and aquatic organisms.

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Animals are widely exposed to nanosilica as a food additive. However, the negative effects of such nanosilica particles on animals' bladders are unclear. In the present study, we investigated the impact of MPs-SiO on mouse bladder and the underlying mechanisms.

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Silicon dioxide particles (SiO) are a widely used novel material, and SiO that enter the body can accumulate in the spleen and cause spleen injury. Quercetin (Que) has a strong antioxidant activity and can also regulate and improve immune function, but whether Que can improve SiO2-induced spleen injury and its underlying mechanism remain to be explored. Herein, we established a C57BL/6 mice model with SiO exposure (10 mg/kg) and treated with Que (25 mg/kg).

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Background: Few studies have explored the expression profile of RPL3 in breast cancer (BRCA). Our research provided an in-depth analysis of RPL3 expression patterns in BRCA, highlighting its significance for therapy prediction and prognosis.

Methods: RPL3 was notably elevated in malignant cells, and its expression level was closely associated with tumor size and overall survival outcomes.

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Article Synopsis
  • Selenium (Se) is a crucial trace element for broiler chickens, enhancing the growth and development of skeletal muscles.
  • The study created an in vitro model of broiler pectoral myoblasts to observe the effects of Se on cell proliferation and found that Se significantly increased myoblast proliferation and prevented cell cycle arrest.
  • The research revealed that Se supplementation reduced reactive oxygen species (ROS), which lowered PTEN expression and activated the PI3K/AKT signaling pathway, promoting cell cycle progression and expression of growth-related factors.
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Staphylococcus aureus, a facultative anaerobic gram-positive bacterial pathogen, has posed major threat to public health worldwide. Upon S. aureus infection, the host immune system is activated for clearance.

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With the increasing development of the society, silicon dioxide (SiO) has been used in various fields, such as agriculture, food industry, etc., and its residues can pose a potential health threat to organisms. Quercetin (Que) is a potent free radical scavenger commonly found in plants.

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Silicon dioxide (SiO) particles are novel materials with wide-ranging applications across various fields, posing potential neurotoxic effects. This study investigates the toxicological mechanisms of SiO particles of different sizes on murine cerebellar tissue and cells. Six-week-old C57BL/6 mice were orally administered SiO particles of three sizes (1 μm, 300 nm, 50 nm) for 21 days to establish an in vivo model, and mice cerebellar astrocytes (C8-D1A cells) were cultured in vitro.

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Macrophage polarization plays an important role in the inflammatory regulation of ulcerative colitis (UC). In this context, necroptosis is a type of cell death that regulates intestinal inflammation, and selenoprotein S (SelS) is a selenoprotein expressed in intestinal epithelial cells and macrophages that prevents intestinal inflammation. However, the underlying mechanisms of SelS in both cell types in regulating UC inflammatory responses remain unclear.

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The mitochondrial genome (mitogenome) of Thysanoptera has extensive gene rearrangement, and some species have repeatable control regions. To investigate the characteristics of the gene expression, transcription and post-transcriptional processes in such extensively gene-rearranged mitogenomes, we sequenced the mitogenome and mitochondrial transcriptome of to analyze. The mitogenome was 14,965 bp in length and included two CRs contains 140 bp repeats between (CR1) and (CR2).

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T-2 toxin (T-2) is a highly toxic mycotoxin with a molecular weight of 466.52 g/mol. Evodiamine (EV), an alkaloid component of Evodia, has anti-inflammation and antioxidant properties.

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Naringenin is a flavonoid with significant anti-inflammatory and antioxidant properties. Mitochondrial dynamics, the mitochondrial respiratory chain, and mtROS are closely related to each other and regulate various biological processes. Ferroptosis is closely related to inflammatory responses and immune function in multiple tissues and organs.

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Microplastic pollution poses challenges for ecosystems worldwide, and nanoplastics (NPs, 1-1000 nm) have been identified as persistent pollutants. However, although some studies have described the hazards of NPs to aquatic organisms, the toxicological processes of NPs in the common carp kidney and the biotoxicity of differently sized NPs remain unclear. In this study, we used juvenile common carp as an in vivo model that were constantly exposed to freshwater at 1000 μg/L polystyrene nanoparticle (PSNP) concentrations (50, 100, and 400 nm) for 28 days.

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Bisphenol A (BPA) is an industrial pollutant that can cause immune impairment. Selenium acts as an antioxidant, as selenium deficiency often accompanies oxidative stress, resulting in organ damage. This study is the first to demonstrate that BPA and/or selenium deficiency induce pyroptosis and ferroptosis-mediated thymic injury in chicken and chicken lymphoma cell (MDCC-MSB-1) via oxidative stress-induced endoplasmic reticulum (ER) stress.

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The inefficient nitrogen removal in constructed wetlands (CWs) can be attributed to insufficient carbon sources for low carbon-to-nitrogen (C/N) ratio wastewater. In this study, sugarcane bagasse fermentation liquid (SBFL) was used as a supplemental carbon source in intermittently aerated CWs to enhance nitrogen removal. The impact of different regulated influent C/N ratios on nitrogen removal and greenhouse gas (GHG) emissions was investigated.

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Trimethyltin chloride (TMT) is a highly toxic organotin pollutant frequently found in aquatic environments, posing a significant threat to the ecological system. The kidney plays a vital role in the body's detoxification processes, and TMT present in the environment tends to accumulate in the kidneys. However, it remained unclear whether exposure to different doses of TMT could induce pyroptosis and immune dysfunction in grass carp kidney cells (CIK cells).

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Sugarcane bagasse was recycled to produce fermentation liquid (FL) as a supplementary carbon source that was added to constructed wetlands (CWs) for regulating influent carbon to nitrogen ratio (C/N), and then being applied to investigate nitrogen transformations and greenhouse gas emissions. Results showed that this FL achieved faster NO-N removal and lower NO fluxes than sucrose did, and the lowest NO flux (67.6 μg mh) was achieved when FL was added to CWs in a C/N of 3.

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