Publications by authors named "Meng Qiang"

Chronic stress can impact brain function through various mechanisms, contributing to the development of anxiety disorders. Chronic unpredictable mild stress (CUMS) is a well-established model for studying the effects of chronic stress. This study assessed the impacts of different durations of CUMS on anxiety-like behavior, inflammation, and tryptophan metabolism in female C57BL/6N mice.

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Intravascular large B-cell lymphoma (IVLBCL) is a highly aggressive type of non-Hodgkin's lymphoma. The clinical manifestations and imaging of this disease are nonspecific, making diagnosis challenging. We report a case of a patient with recurrent stroke-like symptoms, primarily characterized by hemiplegia, vertigo, ataxia, and proteinuria.

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Cholestasis, a condition marked by bile acid accumulation in the liver and body systems, leads to liver dysfunction and cirrhosis. Currently, ursodeoxycholic acid (UDCA) and obeticholic acid (OCA) are the only two FDA-approved drugs for Cholestasis. Thus, new therapeutic approaches need to be developed.

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Background: Albiflorin isolated from can cross the blood-brain barrier (BBB) and possesses analgesia, anticonvulsant, anti-inflammatory, and hepatoprotective properties. This study investigates albiflorin functions and related mechanisms in Parkinson's disease (PD) pathogenesis.

Methods: Cellular and animal models of PD were constructed.

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Pancreatic ductal adenocarcinoma (PDAC) is a highly aggressive solid tumor; however, the barrier of chemoresistance has yet to be overcome for longer survival. Aberrant gene expression due to epigenetic modification plays an important role in tumorigenesis and treatment. Super enhancers are epigenetic elements that promote targeted gene transcription and ultimately lead to chemoresistance.

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Incomplete Miller-Fisher syndrome (MFS) is a rare autoimmune disorder affecting the nervous system. In contrast to classical MFS, its clinical manifestations are often atypical and may be characterized by the absence of certain features, such as extraocular muscle paralysis and the loss of tendon reflexes. The presence of anti-GD3 antibodies is infrequently observed in these patients.

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A TEMPO-mediated β-ketoalkylation of enaminoesters with cyclopropanols under metal-free conditions is herein described. This reaction provides a straightforward and highly efficient route to β-keto alkyl substituted enaminoesters for the first time, which could be rapidly and efficiently converted into synthetically useful 2-alkoxycarbonyl functionalized 1,5-diketones. Moreover, the practicability of this protocol is successfully demonstrated by scale-up experiments and the late-stage functionalization of natural products and pharmaceutically relevant molecules.

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Pitch plays an essential role in music perception and forms the fundamental component of melodic interpretation. However, objectively detecting and decoding brain responses to musical pitch perception across subjects remains to be explored. In this study, we employed electroencephalography (EEG) as an objective measure to obtain the neural responses of musical pitch perception.

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Changes in brain tissue stiffness are closely linked to the development and diseases of the nervous system. Endoplasmic reticulum (ER) stress plays a role in various pathological processes related to epilepsy. However, the relationship between stiffness changes, ER stress, and epilepsy remains unclear.

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Soil salinization severely damages the soil bacterial community environment. Bacillus subtilis can improve bacterial communities and enhance crop nutrient absorption. However, the mechanism by which B.

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Currently, the diagnosis of delirium is solely based on clinical observation, lacking objective diagnostic tools, and the regulatory networks and pathological mechanisms behind it are not yet fully understood. Exosomes have garnered considerable interest as potential biomarkers for a variety of illnesses. This research aimed to delineate both the proteomic and metabolomic landscapes inherent to exosomes, assessing their diagnostic utility in postoperative delirium (POD) and understanding the underlying pathophysiological frameworks.

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This letter presents a novel approach to sparse Bayesian underwater acoustic signal direction estimation. The proposed method incorporates interpolation of the coprime array and signal subspace fitting. It addresses the limitations of the hydrophone coprime array in utilizing all array elements' information and mitigates the interference of ocean noise in shallow waters, which impairs the accuracy and resolution of target direction estimation.

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Selective C-C bond cleavage and transformation of organic small molecules to create products of increased value are one of the central goals in organic chemistry. In this study, we have developed a novel TEMPO-mediated ring-opening α,β-difunctionalization of cyclopropyl alcohols with organic azides to prepare structurally important 4-keto-1,2,3-triazoles under metal- and additive-free conditions. This protocol not only provides a straightforward and efficient method for the synthesis of 4-keto-functionalized 1,2,3-triazoles in one pot but also accomplishes the goal of constructing α,β-double C-N bonds via the ring opening of cyclopropyl alcohols for the first time.

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Atherosclerosis is closely related to endothelial dysfunction and hypertension. GSK3β is a critical regulator in atherosclerosis. This study was carried out to investigate the effects of GSK3β on hypertension exacerbating atherosclerosis in vitro and in vivo.

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Article Synopsis
  • Candidemia is hard to diagnose due to vague symptoms, and delays in treatment can lead to higher death rates, especially in ICU patients.
  • The study involved creating a machine learning model to diagnose candidemia early by analyzing data from 334 ICU patients at Ji Ning NO.1 People's Hospital in China, with further validation on an additional 77 patients.
  • Utilizing the random forest algorithm, the model achieved a high accuracy rate (AUC of 0.87 for internal validation, 0.83 for external), identifying total bilirubin and age as key predictors, which could lead to better patient outcomes through earlier intervention.
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Background: Patients with anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis often experience severe symptoms. Resting-state functional MRI (rs-fMRI) has revealed widespread impairment of functional networks in patients. However, the changes in information flow remain unclear.

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Background: Pulmonary hypertension (PH) is a long-term disease that impacts approximately 1% of the world's population. Currently, levosimendan (Lev) is proposed for PH treatment. However, the mechanism of Lev in the treatment of PH is unknown.

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Background: Sepsis, a severe infectious disease, carries a high mortality rate. Early detection and prompt treatment are crucial for reducing mortality and improving prognosis. The aim of this research is to develop a clinical prediction model using machine learning algorithms, leveraging complete blood cell (CBC) parameters, to detect sepsis at an early stage.

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Distinct brain regions are differentially affected during the various stages of Alzheimer's disease (AD). While the hippocampus and cortex are known to play significant roles, the involvement of the cerebellum has received less attention. Understanding the changes in diverse brain regions is essential to unravel the neuropathological mechanism in early-stage AD.

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Objective: To describe the association between preoperative ictal scalp electroencephalogram (EEG) results and surgical outcomes in patients with focal epilepsies.

Methods: The data of consecutive patients with focal epilepsies who received surgical treatments at our center from January 2012 to December 2021 were retrospectively analyzed.

Results: Our data showed that 44.

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Article Synopsis
  • Glycyrrhiza polysaccharides (GP) were studied for their effects on the enzyme CYP46A1, which plays a key role in cholesterol regulation in the brain and is important for neurodegenerative disease treatment.
  • * The research found that GP significantly inhibited CYP46A1 activity and lowered levels of 24S-hydroxycholesterol (24S-HC) in both rat plasma and brain tissues.
  • * Additionally, GP decreased the protein levels of CYP46A1 and related proteins, while not having a significant effect on their mRNA expressions.
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