Shiga toxin-producing Escherichia coli (STEC) is one of the major pathogens responsible for severe foodborne infections, and the common serotypes include E. coli O157, O26, O45, O103, O111, O121, and O145. Vaccination has the potential to prevent STEC infections, but no licensed vaccines are available to provide protection against multiple STEC infections.
View Article and Find Full Text PDFObjective: Combining immune checkpoint inhibitors and antiangiogenic agents offers a promising strategy to counteract the cooperative promotion of solid tumor growth by immune checkpoints and intratumoral angiogenesis.
Methods: We investigated the potential of thalidomide (THD) and anti-PD-1 antibody (PD-1 mAb) in suppressing tumor growth, enhancing immunity, and inhibiting angiogenesis.
Results: THD exhibited regulatory effects on PD-1 in CD4+ T cells and PD-L1 in cancer cells, along with tumor growth inhibition in A549 and Lewis lung carcinoma (LLC) cell lines.
The whiteness of rice grains (WRG) is a key indicator of appearance quality, directly impacting its commercial value. The trait is quantitative, influenced by multiple factors, and no specific genes have been cloned to date. In this study, we first examined the correlation between the whiteness of polished rice, cooked rice, and rice flour, finding that the whiteness of rice flour significantly correlated with both polished and cooked rice.
View Article and Find Full Text PDFGalvanized high-strength steel has emerged as a key focus in automotive lightweighting research. During resistance spot welding of galvanized steel, the phenomenon of liquid metal embrittlement (LME) can occur, which is characterized by the appearance of irregular cracks on the weld spot surface. However, the impact of LME cracks on the mechanical properties of joints remains unclear.
View Article and Find Full Text PDFMarine microalgae are a rich source of natural products, and their amino acid-based antimicrobial agents are usually obtained by enzymatic hydrolysis, which is inefficient and limits the research on antimicrobial peptides (AMPs) from microalgae. In this study, is used as a model to predict antimicrobial peptides through high-throughput methods, and 471 putative peptides are identified based on the de novo transcriptome technique. Among them, three short peptides, P1, P6, and P7 were found to have antimicrobial activity against , , , and yeast , and they showed no hemolytic activity even at higher concentrations up to 10 mg/mL.
View Article and Find Full Text PDFObesity has escalated into a critical global health crisis, tripling in prevalence since the mid-1970s. This increase mirrors the rise in metabolic-associated diseases such as type 2 diabetes (T2D) and its complications, certain cancers, and cardiovascular conditions. While substantial research efforts have enriched our understanding and led to the development of innovative management strategies for these diseases, the suboptimal response rates of existing therapies remain a major obstacle to effectively managing obesity and its associated conditions.
View Article and Find Full Text PDFThis work explores the synergies between N-rich (Chlorella pyrenoidosa) and N-deficient (Undaria pinnatifida) macroalgae for the production of N-containing hydrochar and solid biofuels via co-hydrothermal carbonization (co-HTC). The impact of the feedstock (each alga alone and all possible binary mixtures) was comprehensively assessed under different temperatures (180-260 °C) and times (60-240 min). The synergies between micro and macroalgae governed product distribution, nitrogen transformation pathways, and hydrochar quality, with these effects varying by processing conditions.
View Article and Find Full Text PDFThe developmental competence and epigenetic progression of oocytes gradually become dysregulated with increasing maternal age. However, the mechanisms underlying age-related epigenetic regulation in oocytes remain poorly understood. Zygote arrest proteins 1 and 2 (ZAR1/2) are two maternal factors with partially redundant roles in maintaining oocyte quality, mainly known by regulating mRNA stability.
View Article and Find Full Text PDFMutations in the ANXA11 gene, encoding an RNA-binding protein, have been implicated in the pathogenesis of amyotrophic lateral sclerosis (ALS), but the underlying in vivo mechanisms remain unclear. This study examines the clinical features of ALS patients harboring the ANXA11 hotspot mutation p.P36R, characterized by late-onset motor neuron disease and occasional multi-system involvement.
View Article and Find Full Text PDFBackground: PSEN1, PSEN2, and APP mutations cause Alzheimer's disease (AD) with an early age at onset (AAO) and progressive cognitive decline. PSEN1 mutations are more common and generally have an earlier AAO; however, certain PSEN1 mutations cause a later AAO, similar to those observed in PSEN2 and APP.
Methods: We examined whether common disease endotypes exist across these mutations with a later AAO (~ 55 years) using hiPSC-derived neurons from familial Alzheimer's disease (FAD) patients harboring mutations in PSEN1, PSEN2, and APP and mechanistically characterized by integrating RNA-seq and ATAC-seq.
Premenstrual syndrome (PMS) encompasses a range of emotional, physiological, and behavioral symptoms that occur during the luteal phase of the menstrual cycle (MC) and resolve with the onset of menstruation. These symptoms, which can include fatigue, physical pain, anxiety, irritability, and depression, significantly affect women's daily lives and overall well-being. In severe cases, PMS can progress to premenstrual dysphoric disorder (PMDD), profoundly impairing quality of life.
View Article and Find Full Text PDFThis study investigated the association between NAFLD and liver fibrosis and the ratio of gamma-glutamyl transferase to high-density lipoprotein cholesterol (GGT/HDL-C). In this cross-sectional study, we included 4764 subjects who participated in the National Health and Nutrition Examination Survey (NHANES) during 2017-2018. Adjusted multivariate logistic regression analysis was utilized to evaluate the relationships between GGT/HDL-C levels and NAFLD, fatty liver degree, and liver fibrosis.
View Article and Find Full Text PDFImplantation of a mesh loaded with mesenchymal stem cells (MSCs) is a common approach for the treatment of pelvic organ prolapse (POP). The mesh provides effective support to pelvic floor, enhancing muscle contraction of pelvic organs while reducing inflammation. In this study, a fully degradable mesh is designed for the treatment of POP, utilizing MSCs stimulated by a galvanic battery-powered electric field.
View Article and Find Full Text PDFHepatocellular carcinoma (HCC) is a common cancer characterized by robustly proliferative and metastatic capabilities. Bromodomain-containing proteins are critical to the development of diverse diseases via regulating cell proliferation, differentiation, and death. However, the role of Bromodomain-containing protein 3 (BRD3) in HCC is elusive.
View Article and Find Full Text PDFBackgrounds: Ferroptosis is a form of regulated cell death. The accumulation of iron in the brain is linked to trigger ferroptosis after an ischaemic stroke (IS). Naoqing formula (NQ) is a traditional Chinese medicine metabolites with the clinical function of activating blood circulation, which is applied to treat IS clinically in China.
View Article and Find Full Text PDFThe increasing development of new genetically modified organisms underscores the critical need for comprehensive safety assessments, emphasizing the significance of molecular evidence such as gene integration, copy numbers, and adjacent sequences. In this study, the maize nitrate-efficient utilization gene ZmNRT1.1 A was introduced into maize variety y822 using transgenic technology, producing transgenic maize events ND4401 and ND4403 with enhanced tolerance to low nitrogen stress.
View Article and Find Full Text PDFSurface-enhanced Raman scattering (SERS) technology has attracted more and more attention due to its high sensitivity, low water interference, and quick measurement. Constructing high-performance SERS substrates with high sensitivity, uniformity and reproducibility is of great importance to put the SERS technology into practical application. In this paper, we report a simple fabrication process to construct dense silver-coated PMMA nanoparticles-on-a-mirror SRES substrates.
View Article and Find Full Text PDFBackground: Dementia is a major public health challenge in modern society. Early detection of high-risk dementia patients and timely intervention or treatment are of significant clinical importance. Neural network survival analysis represents the most advanced technology for survival analysis to date.
View Article and Find Full Text PDFBiochim Biophys Acta Mol Cell Biol Lipids
December 2024
SREBP1 is a transcription factor that influences lipogenesis by regulating key genes associated with lipid biosynthesis, while AMPK, modulates lipid metabolism by regulating acetyl-CoA carboxylase. The exact role of these metabolic regulators in oleaginous microbes remains unclear. This study identified and manipulated the genes encoding SREBP1 (sre1) and α1 subunit of AMPK (ampk-α1) in Mucor circinelloides WJ11.
View Article and Find Full Text PDFBackground: Yellow nutsedge (Cyperus esculentus, known as 'YouShaDou' in China, YSD) and purple nutsedge (Cyperus rotundus, known as 'XiangFuZi' in China, XFZ), closely related Cyperaceae species, exhibit significant differences in triacylglycerol (TAG) accumulation within their tubers, a key factor in carbon flux repartitioning that highly impact the total lipid, carbohydrate and protein metabolisms. Previous studies have attempted to elucidate the carbon anabolic discrepancies between these two species, however, a lack of comprehensive genome-wide annotation has hindered a detailed understanding of the underlying molecular mechanisms.
Results: This study utilizes transcriptomic analyses, supported by a comprehensive YSD reference genome, and metabolomic profiling to uncover the mechanisms underlying the major carbon perturbations between the developing tubers of YSD and XFZ germplasms harvested in Yunnan province, China, where the plant biodiveristy is renowned worldwide and may contain more genetic variations relative to their counterparts in other places.
Background: Thunderstorm Asthma (TA) events are observed worldwide, but the precise triggering mechanisms remain elusive.
Objective: This study aims to outline the environmental patterns associated with TA events in China.
Methods: Environmental data was collected from Chinese cities that have experienced TA events, focusing on meteorological conditions in the seven days preceding the thunderstorms.
Zhongguo Dang Dai Er Ke Za Zhi
December 2024
Objectives: To investigate the expression levels of ghrelin and liver-expressed antimicrobial peptide-2 (LEAP-2) in children with idiopathic short stature (ISS) to provide reference for further understanding the etiology of short stature.
Methods: A prospective study was conducted from December 2021 to October 2023, involving 46 children diagnosed with ISS (ISS group) and 46 healthy children with normal height (control group) at the First Affiliated Hospital of Shihezi University. General data and serum levels of ghrelin and LEAP-2 were compared between the two groups.
Gynecol Endocrinol
December 2024
Objective: This study explored the association between ω-6 to ω-3 polyunsaturated fatty acids (PUFAs) and metabolic syndrome in women experiencing climacteric syndrome.
Methods: The study involved 186 female participants and utilized surveys, anthropometric measurements (waist circumference, height, BMI, waist-to-height ratio), blood pressure assessments, and blood samples for lipid profile, glucose, insulin, HbA1c analysis. Serum PUFAs levels were analyzed using gas chromatography-mass spectrometry.
Fish metabolism, growth, development, and physiological conditions are highly sensitive to fluctuations in water temperature. The Ussuri catfish (Pseudobagrus ussuriensis) is an important native economic species in China. However, research on heat stress in P.
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