Publications by authors named "Weihua Mai"

Background: This aimed to elucidate the impact of stress hyperglycemia on early neurological deterioration (END) in patients with acute non-cardiogenic cerebral infarction who did not experience hemorrhagic transformation following intravenous thrombolysis to identify risk factors associated with END.

Methods: This retrospective case-control study analyzed data from consecutive patients who received intravenous thrombolysis for acute ischemic stroke (AIS) without hemorrhagic transformation at the Stroke Center of The Fifth Affiliated Hospital of Sun Yat-sen University from January 2018 to February 2023. END was defined as an increase of more than 2 points on the National Institutes of Health Stroke Scale (NIHSS) within 7 days of admission.

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Background: High-risk stroke patients are recommended to receive high-intensity statin therapy to reduce the risk of stroke recurrence. However, doubling the dosage of statin drugs did not increase the achievement rate of LDL-C target or provide additional clinical benefits, but significantly increased the risk of adverse reactions. Statins and ezetimibe work through different mechanisms and the combined use of statins and ezetimibe significantly improves outcomes with comparable safety profiles.

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Background: Ischemic stroke and transient ischemic attack (TIA) are the most prevalent cerebrovascular diseases. The conventional antiplatelet drugs are associated with an inherent bleeding risk, while indobufen is a new antiplatelet drug and has the similar mechanism of antiplatelet aggregation as aspirin with more safety profile. However, there have been no studies evaluating the combination therapy of indobufen and clopidogrel for antiplatelet therapy in cerebrovascular diseases.

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Background: Diabetic peripheral neuropathy is a common complication of diabetes and the main cause of disability. At present, there is no specific therapeutic regimen. Mecobalamin is often used as a neurotrophic drug, and its long-term effects are not satisfactory when used alone.

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The article Dietary protein intake and subsequent risk of type 2 diabetes: a dose-response meta-analysis of prospective cohort studies written by Jianhong Ye, Qixin Yu, Weihua Mai, Peiling Liang, Xiaoxia Liu, Yunnan Wang was originally published electronically on the publisher's internet portal (currently SpringerLink) on 30 March 2019 with open access. With the author(s)' decision to step back from Open Choice, the copyright of the article changed on 30 May 2019 to © Springer-Verlag Italia S.r.

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Aims: Dietary proteins, including those obtained from animal and plant sources, have inconsistently been correlated with type 2 diabetes mellitus (T2DM) risk. Therefore, a meta-analysis was conducted to evaluate the association between dietary proteins and the risk of T2DM.

Methods: Prospective cohort studies published until November 2018 were systematically searched in PubMed, Embase, and the Cochrane library.

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Identification of human disease signature genes typically requires samples from many donors to achieve statistical significance. Here, we show that single-cell heterogeneity analysis may overcome this hurdle by significantly improving the test sensitivity. We analyzed the transcriptome of 39,905 single islets cells from 9 donors and observed distinct β cell heterogeneity trajectories associated with obesity or type 2 diabetes (T2D).

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Background: Recent evidences have implicated neuroprotective effects of CX3CR1 in multiple sclerosis (MS). But whether CX3CR1 is involved in modulation of antigen-presenting cell (APC)-related molecular MHC-II and what the possible mechanism is remain unidentified.

Objective: In this study, we intended to investigate the effects of CX3CR1 on MHC-II expressions on brain myeloid cells in experimental autoimmune encephalomyelitis (EAE) mice and explore the possible regulators for it.

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Objectives: To investigate the characteristics of hairs in Female pattern hair loss (FPHL) patients and healthy females in Southern China.

Materials And Methods: Three fundamental hair parameters in different scalp areas of 90 Southern Chinese FPHL patients and 83 healthy controls were analyzed by phototrichogram.

Results: Female pattern hair loss patients showed reduced hair density, hair diameter, and terminal/vellus hair ratio.

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Objectives: The aim of this study is to investigate the association of HDL-C with CCAS, as well as its intracranial or extracranial location in the Southern Chinese population.

Patients And Methods: 123 Southern Chinese patients with large-artery atherosclerotic(LAA) ischemic stroke were enrolled for the final analysis. Based on the stenosis severity defined by digital subtraction angiography, the patients were categorized into CCAS and non-CCAS groups.

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To investigate the expression profile of monocyte chemoattractant peptide-1 (MCP-1) by keratinocytes after nickel exposure and to identify its role for leucocyte migration during nickel-induced occupational allergic contact dermatitis (OACD), 26 workers diagnosed with nickel-induced OACD were enrolled. Skin biopsies from the positive nickel-challenged sites at different time points were assessed by immunohistochemistry (IHC) for MCP-1, CD68, CD45RO, and in situ hybridization (ISH) for MCP-1, using chronic periumbilical dermititis as controls. The expressions of MCP-1 in HaCaT cell culture after nickel treatment were quantified by enzyme-linked immunosorbent assay.

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Functions and mechanisms of microRNA (miRNA) involved in colorectal cancer (CRC) metastasis are largely unknown. Here, a miRNA microarray analysis was performed in CRC primary tissues and metastatic hepatic tissues to disclose crucial miRNA involved in CRC metastasis. MiR-133b was decreased and negatively correlated with metastasis in CRC.

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Objectives: The aim of this study was to investigate the effects of formaldehyde exposure on Th17 and Th22 cells and its relevance to human occupational allergic contact dermatitis (OACD).

Methods: Circulating IL17-/IL22-secreting cells and serum IL17/IL22 levels in formaldehyde-exposed workers at Occupational Exposure Limit and nonexposed controls were assessed.

Results: The IL17 and IL22 cell population were detected in both CD3CD8 and CD3CD8 cells.

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Objective: To explore the correlation between aquaporin-4 (AQP4) gene single nucleotide polymorphism (SNP) and clinical phenotypes of neuromyelitis optica (NMO) and its underlying mechanism.

Methods: Eight SNPs in AQP4 gene regulatory region were selected and genotyped for 208 anti-AQP4 autoantibodies (NMO-IgG) seropositive cases during January 2010 to January 2014 and 204 healthy subjects. Then the correlation was further analysed between genotypes and NMO phenotypes.

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Objective: To investigate the association between aquaporin 4 (AQP4) gene polymorphisms and Chinese patients with neuromyelitis optica (NMO).

Methods: 122 consecutive anti-AQP4 autoantibody (NMO-IgG) seropositive cases were enrolled for gene sequencing. Furthermore, ten SNPs were selected and genotyped for a case-control association analysis on 208 cases and 204 healthy subjects.

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Objectives: To identify the association of aquaporin-4 (AQP4) promoter polymorphism with the presence of anti-aquaporin-4 antibody (AQP4-Ab) in Southern Han Chinese patients with idiopathic demyelinating disorders of central nervous system.

Methods: Eighteen neuromyelitis optica (NMO), thirty-eight conventional MS (CMS), thirteen recurrent myelitis (RM), six recurrent optic neuritis (RON) patients and thirty-nine matched controls were enrolled. Polymorphisms of AQP4 promoters 0 and 1 were determined by sequencing-based typing.

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Purpose: Recent reports have linked various autoimmune diseases to defective Fas-mediated apoptosis or Fas expression. Here we aimed to determine whether Fas-mediated apoptosis is involved in the pathogenesis of myasthenia gravis (MG).

Methods: The expression of Fas antigen in peripheral T cell subsets from 17 Chinese patients with MG and 13 healthy individuals was determined by flow cytometry, and its associations with clinical classification, thymus pathology, the concomitance with hyperthyroidism (HT) and corticosteroid treatment were investigated.

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Objective: To investigate the relationship of glucose metabolic rate (GMR) and plasma levels of adiponectin and leptin in patients with metabolic syndrome (MS).

Methods: A total of 30 MS subjects aged 36-60 years old were selected as MS group. And 20 normal adults were selected as control group.

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