Publications by authors named "Leyi Zhang"

Riemeralla anatipestifer, a predominant bacterium with multidrug resistance, has caused tremendous economic losses in the poultry farming industry. However, there are few studies on its identification, pathogenic mechanisms, and virulence factors and effective and systematic prevention and control strategies. The emergence and spread of antibacterial resistance has prompted increased focus on R.

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Background: The resting-state functional connectivity (FC) patterns of the fronto-parietal network (FPN) and language network (LN) underlying bipolar disorder (BD) are obscure. This study aimed to uncover abnormal FC patterns of FPN and LN underlying BD and their evolution following treatment.

Methods: Imaging data at rest state and clinical variables were acquired from 82 patients with BD (with 43 finishing the follow-up) and 88 healthy controls (HCs).

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Porcine circovirus type 2 (PCV2) is a significant pathogen responsible for porcine circovirus-associated diseases (PCVAD), and it is widely prevalent in pig farms, leading to huge economic losses for the pig industry. Currently, the ability of PCV2 to enhance its own replication by using the antiviral inflammatory factors IFNα, IFNβ, and IL-2 and its complex immune escape mechanism remain unclear, which has attracted wide attention. Research has indicated that GTPase-activating protein (SH3 domain)-binding protein 1 (G3BP1) is involved in the innate immune response to a variety of viruses, primarily by regulating and composing stress granules (SGs) to inhibit viral replication.

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Aims: We aimed to determine the relationship between altered brain imaging characteristics, cognitive function and profiles of gene expression of bipolar disorder (BD).

Methods: Functional magnetic resonance imaging (fMRI) was presented in three groups of BD participants (depressed, manic and euthymic) and healthy controls. Regional Homogeneity (ReHo) and region of interest based functional analysis combining with neuroimaging-transcription association analysis were utilized to investigate abnormalities and their correlation with clinical symptoms.

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Tobacco, being a globally cultivated crop, holds significant social and economic importance. Tobacco plants are susceptible to the adverse effects of heavy metals (HMs), particularly cadmium (Cd), which hinders root development, disrupts water balance, and impedes nutrient absorption. Higher concentrations of HMs, especially Cd, naturally accumulate in tobacco leaves due to complex interactions within the plant-soil continuum.

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  • Chronic stress enhances the release and alters the contents of tumor-derived exosomes (TDEs) in breast cancer, suggesting a link between stress and cancer progression.
  • In experiments with tumor-bearing mice, it was found that chronic stress boosts the secretion of TDEs and facilitates lung metastasis through interactions with pulmonary neutrophils.
  • The study reveals that TDEs increase SP1 levels, which leads to increased IL-1β secretion from neutrophils, further promoting cancer spread via the TLR4-NFκβ pathway.
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species are important foodborne pathogens worldwide. pathogenicity is associated with multiple virulence factors and enhanced antimicrobial resistance. To determine the molecular characteristics and genetic correlations of , 24 strains of isolated from different sources (raw poultry, human stool, and food) in the Wenzhou area were investigated to determine the distribution of antimicrobial resistance and virulence determinants using whole-genome sequencing (WGS).

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The infection status and etiological analysis of spp. from foodborne diarrhea patients in Wenzhou were carried out to provide the etiological basis for healthy diet and clinical treatment. isolates ( = 41) collected from foodborne diarrhea patients were identified using the automatic bacteriologic analyzer and mass spectrometer.

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Foodborne diseases are ongoing and significant public health concerns. This study analysed data obtained from the Foodborne Outbreaks Surveillance System of Wenzhou to comprehensively summarise the characteristics of foodborne outbreaks from 2012 to 2022. A total of 198 outbreaks were reported, resulting in 2,216 cases, 208 hospitalisations, and eight deaths over 11 years.

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Clarifying vegetation changes and the driving factors can provide references for ecological restoration and sustainable social development. We analyzed vegetation distribution and trend changes in Henan Province and its basin zoning (Haihe River basin zoning, Yellow River basin zoning, Huaihe River basin zoning, Yangtze River basin zoning), with fractional vegetation cover data from 2000 to 2020 based on the Google Earth Engine platform, and by combining Theil-Sen Median trend analysis, Mann-Kendall test, and Hurst index. We also utilized factor detection and factor interaction to explore the individual and mutual influences of natural and anthropogenic factors on vegetation at different scales.

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Drugs that target immune checkpoint have become the most popular weapon in cancer immunotherapy, yet only have practical benefits for a small percentage of patients. Tumor cells constantly interact with their microenvironment, which is made up of a variety of immune cells as well as endothelial cells and fibroblasts. Immune checkpoint expression and blocked signaling of immune cells in the tumor microenvironment (TME) are key to tumor progression.

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Background And Objectives: Fatigue has been associated with adverse effects on recovery from ischemic stroke based on previous observational research. The purpose of our study was to explore the potential causal association of fatigue with poor functional outcome after ischemic stroke by employing Mendelian randomization (MR).

Methods: A set of instrumental variables, comprising 36 single-nucleotide polymorphisms (SNPs) that are only related to fatigue, were derived from a genome-wide association study (GWAS) that included 449,019 general individuals.

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Article Synopsis
  • The study aimed to assess the effectiveness of various positional tests, including the supine roll test (SRT) and alternatives like head-shaking test (HST) and rapid axial roll test (RART), in identifying which semicircular canal is affected in cases of horizontal semicircular canal benign paroxysmal positional vertigo (HSC-BPPV).
  • A total of 553 HSC-BPPV patients underwent different combinations of these tests, revealing that 84.99% exhibited nystagmus, with the RART+SRT group showing the highest elicitation rate at 95.41%.
  • Findings indicate that while all alternative tests
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Objectives: To investigate cases of five Campylobacter jejuni outbreaks and describe laboratory characteristics of these infections.

Methods: Whole-genome sequencing and conventional methods were combined to thoroughly investigate the outbreaks, and data of contemporaneous sporadic cases was included for comparison.

Results: Seven sequence types (STs) of C.

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  • Capillary force driven self-assembly micropillars (CFSA-MP) are being developed to effectively manipulate and capture cells and small objects, showing promise for both versatility in size and durability.
  • A new fabrication method using advanced laser technology allows for the creation of micropillars with adjustable dimensions and improved stability, making it possible to capture microspheres ranging from 5 to 410 μm in diameter.
  • The innovative approach and materials used, specifically the polydimethylsiloxane (PDMS), enhance the mechanical strength of these micropillars, suggesting significant applications in areas like chemistry, biomedicine, and microfluidics.
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  • * Recent studies have shed light on how these viruses activate the innate immune system through a process involving the inflammasome, leading to the release of proinflammatory cytokines and programmed cell death.
  • * The review examines both the similarities and differences in how various herpesviruses activate inflammation, highlighting the need for more research to understand the implications for disease development associated with these viral infections.
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Bipolar disorder (BD) across different clinical stages may present shared and distinct changes in brain activity. We aimed to reveal the neuroimaging homogeneity and heterogeneity of BD and its relationship with clinical variables and genetic variations. In present study, we conducted fractional amplitude of low-frequency fluctuations (fALFF), functional connectivity (FC) and genetic neuroimaging association analyses with 32 depressed, 26 manic, 35 euthymic BD patients and 87 healthy controls (HCs).

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Background: Energy metabolism disorders and neurogenic inflammation play important roles in the central sensitization to chronic migraine (CM). AMP-activated protein kinase (AMPK) is an intracellular energy sensor, and its activation regulates inflammation and reduces neuropathic pain. However, studies on the involvement of AMPK in the regulation of CM are currently lacking.

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  • The COVID-19 pandemic has led to extensive global data collection on nasal swabs, showing significant variations in viral loads among positive test results.
  • The study explores if this variability is specific to SARS-CoV-2 or typical of viral respiratory infections by using a detailed computational model of nasal infections.
  • By simulating factors like individual physiological differences and immune responses, researchers create a "virtual population database" that illustrates the distribution of viral titers during the first 48 hours post-infection.
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Background: China's rapid economic and social development since the early 2000s has caused significant shifts in its epidemiological transition, potentially leading to health disparities across regions.

Objectives: This study employs Life Expectancy (LE) to assess health disparities and trends among China's eastern, central, and western regions. It also examines the pace of LE gains relative to empirical trends and investigates age and causes of death mortality improvement contributing to regional LE gaps.

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Garlic is famous for its unique flavor and health benefits. An effective means of authenticating garlic's origin is through the implementation of the Protected Geographical Indication (PGI) scheme. However, the prevalence of fraudulent behavior raises concerns regarding the reliability of this system.

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To systematically evaluate the efficacy and safety of the Chinese medicine detoxification and dredging collaterals in treating carotid atherosclerosis (CAS). A systematic and comprehensive search of nine relevant domestic and international databases were conducted from their inception until June 2022. The methodological quality of the included trials was evaluated, and the efficacy and safety were comprehensively analyzed.

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Background: Scalp stimulation has gained more traction for post-stroke cognitive impairment and dementia (PSCID); the interaction between stimulation targets and parameters influences the response to the stimulation. However, the most efficacious treatment for improving different domains of cognitive impairment remains unknown.

Objective: We aimed to conduct a systematic review and network meta-analysis (NMA) to compare the efficacy of various scalp stimulation protocols used in PSCID treatment.

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Peptic ulcer disease caused by environmental factors increases the risk of developing gastric cancer (GC), one of the most common and deadly cancers in the world. However, the mechanisms underlying this association remain unclear. A major type of GC uniquely undergoes spasmolytic polypeptide-expressing metaplasia (SPEM) followed by intestinal metaplasia.

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Background: Chronic stress promotes most hallmarks of cancer through impacting the malignant tissues, their microenvironment, immunity, lymphatic flow, etc. Existing studies mainly focused on the roles of stress-induced activation of systemic sympathetic nervous system and other stress-induced hormones, the organ specificity of chronic stress in shaping the pre-metastatic niche remains largely unknown. This study investigated the role of chronic stress in remodeling lung pre-metastatic niche of breast cancer.

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