Publications by authors named "Weiwen Chen"

Background: Undetected atrial fibrillation (AF) poses a significant risk of stroke and cardiovascular mortality. However, diagnosing AF in real-time can be challenging as the arrhythmia is often not captured instantly. To address this issue, a deep-learning model was developed to diagnose AF even during periods of arrhythmia-free windows.

View Article and Find Full Text PDF

Insect gustatory receptors play a critical role in modulating feeding behaviors by detecting external nutritional cues through complex biochemical pathways. Bitter taste receptors are essential for insects to identify and avoid toxins. However, the detailed molecular and cellular mechanisms by which these receptors influence insect feeding behavior remain poorly understood.

View Article and Find Full Text PDF

Objective: This research aims to comprehensively assess the efficacy of intermittent theta-burst stimulation (iTBS) vs. high-frequency repetitive transcranial magnetic stimulation (HF-rTMS) in post-stroke dysfunction.

Materials And Methods: Until January 2024, extensive electronic database searches were conducted (PubMed, Embase, Cochrane Library, Web of Science, etc.

View Article and Find Full Text PDF

Healthcare-associated infection (HAI) is the most common adverse medical event that affects patients. Internationally, healthcare workers (HCWs) are monitored for hand hygiene compliance to reduce HAI risk. While direct observation is considered the gold standard for monitoring, it has several disadvantages.

View Article and Find Full Text PDF

This study aimed to explore the mechanism that Lycium barbarum polysaccharides (LBP) suppress hypoxia/reoxygenation (H/R)-caused pyroptosis in cardiomyocytes (H9C2) via the Nrf2/HO-1 pathway. Initially, we established the cell model of H/R (6 h hypoxia plus with 24 h reoxygenation), and found that 90 μg/mL LBP was the optimal concentration. Subsequently, we confirmed that LBP reduced the apoptosis rate of cells after H/R, the activity of LDH, the inflammatory factors IL-1β and IL-18, and the levels of pyroptosis-specific markers ASC, NLRP3, and Caspase-1 (mRNAs and proteins).

View Article and Find Full Text PDF

Although targeting the androgen signaling pathway by androgen receptor (AR) inhibitors, including enzalutamide, has shown therapeutic effectiveness, inevitable emergence of acquired resistance remains a critical challenge in the treatment of advanced prostate cancer (PCa). Recognizing targetable genomic aberrations that trigger endocrine treatment failure holds great promise for advancing therapeutic interventions. Here, we characterized PLXNA1, amplified in a subset of PCa patients, as a contributor to enzalutamide resistance (ENZR).

View Article and Find Full Text PDF

Rationale: Comorbidities are common in fracture patients, but the interaction between fracture and comorbidities remains unclear. This study aimed to define specific multimorbidity clusters in older adults and quantify the association between the multimorbidity clusters and fracture risk.

Methods: This nationwide cohort study includes 1.

View Article and Find Full Text PDF
Article Synopsis
  • The study developed a predictive nomogram model to forecast the recollapse of fractured vertebrae in patients with thoracolumbar fractures after undergoing posterior pedicle screw fixation.
  • Researchers reviewed 224 patients, finding that 20.5% experienced vertebral recollapse and identified key predictors such as age and injury severity.
  • The nomogram showed strong performance metrics, including a high area under the curve (0.891), suggesting it can aid clinicians in making informed treatment decisions.
View Article and Find Full Text PDF

Background And Objective: Non-small cell lung cancer (NSCLC) is a pernicious tumor with high incidence and mortality rates. The incidence rate of NSCLC increases with age and poses a serious danger to human health. The aim of this study was to determine the mechanism by which (-)-epicatechin (EC) alleviates NSCLC.

View Article and Find Full Text PDF

Background: Endocrine resistance driven by sustained activation of androgen receptor (AR) signaling pathway in advanced prostate cancer (PCa) is fatal. Characterization of mechanisms underlying aberrant AR pathway activation to search for potential therapeutic strategy is particularly important. Rac GTPase-activating protein 1 (RACGAP1) is one of the specific GTPase-activating proteins.

View Article and Find Full Text PDF

Background: Parkinson's disease (PD) is a progressive neurodegenerative disease with increasing prevalence. Effective diagnostic markers and therapeutic methods are still lacking. Exploring key molecular markers and mechanisms for PD can help with early diagnosis and treatment improvement.

View Article and Find Full Text PDF
Article Synopsis
  • Differentiating left ventricular hypertrophy (LVH) from conditions like hypertrophic cardiomyopathy (HCM) and Fabry disease is complex and often requires input from various specialists, which leads to inconsistent diagnoses.
  • *A new AI-based tool called the MRI short-axis view left ventricular hypertrophy classifier (MSLVHC) has been developed to accurately distinguish HCM from Fabry disease using MRI cine images and has shown high accuracy and strong performance metrics.
  • *The model not only demonstrated reliability in tests at two hospitals but also holds potential to enhance the diagnostic process for specialists dealing with LVH-related conditions.
View Article and Find Full Text PDF
Article Synopsis
  • Many patients with fractures also suffer from multiple health conditions (multimorbidity), which can lead to worse outcomes like additional fractures and higher mortality rates, but this link hasn't been thoroughly studied.
  • The study focused on participants in New South Wales, Australia, examining how multimorbidity and self-rated health affect the likelihood of subsequent fractures and death after an initial fracture.
  • Analysis revealed that individuals with higher Charlson Comorbidity Index scores had an elevated risk of experiencing another fracture, particularly highlighting gender differences in outcomes, with women generally facing different risks compared to men.
View Article and Find Full Text PDF

Calcium homeostasis imbalance is one of the important pathological mechanisms in heart failure. Sarco/endoplasmic reticulum Ca2+-ATPase (SERCA2a), a calcium ATPase on the sarcoplasmic reticulum in cardiac myocytes, is a myocardial systolic-diastolic Ca2 + homeostasis regulating enzyme that is not only involved in cardiac diastole but also indirectly affects cardiac myocyte contraction. SERCA2a expression was found to be decreased in myocardial tissue in heart failure, however, there are few reports on serum SERCA2a expression in patients with heart failure, and this study was designed to investigate whether serum SERCA2a levels are associated with the occurrence of adverse events after discharge in patients hospitalized with heart failure.

View Article and Find Full Text PDF
Article Synopsis
  • Mitochondrial stress in GABAergic neurons can influence lifespan, stress tolerance, and reproductive health, showing their significant impact on overall health.
  • This stress leads to changes in mitochondrial function, including increased mitochondrial mass, energy production, and higher reactive oxygen species levels.
  • The research highlights that GABA signaling and mitochondrial stress in these neurons work together to cause broader effects on the organism's aging and stress responses.
View Article and Find Full Text PDF

It is enigmatic that M8+ earthquakes can take place at depth greater than 600 km inside the slab, where the P-T conditions generally do not favor seismic slip rate (~m/s) on faults. Here we provide fresh insights to the initial rupture and mechanism of the Mw 8.3 Sea of Okhotsk earthquake by analyzing high-frequency (up to 0.

View Article and Find Full Text PDF
Article Synopsis
  • - Cardiovascular diseases like arrhythmias are a major global health issue, and analyzing electrocardiograms (ECGs) is crucial for diagnosing these conditions.
  • - This study introduces a novel ECG classification method that uses patients' demographic data, encoded into colors, to enhance traditional waveform analysis.
  • - Testing on the PTB-XL dataset showed that this colorization technique improved classification performance by 1%-6%, especially in difficult multiclass scenarios, suggesting it can lead to better diagnosis and treatment for cardiovascular diseases.
View Article and Find Full Text PDF

Anthocyanins are the primary functional pigments in the diet. However, anthocyanins exhibit instability during digestion, coupled with limited bioavailability. Microencapsulation offers anthocyanins a sheltered environment, enhancing their stability and bioactivity.

View Article and Find Full Text PDF

Glioblastoma (GBM) is the most common primary intracranial malignancy with a very low survival rate. Exploring key molecular markers for GBM can help with early diagnosis, prognostic prediction, and recurrence monitoring. This study aims to explore novel biomarkers for GBM via bioinformatics analysis and experimental verification.

View Article and Find Full Text PDF
Article Synopsis
  • Electronic devices enhance our daily lives with their multiple features, but frequent use leads to wear and tear, shortening their lifespan.* -
  • Unlike natural systems that can self-repair, traditional electronic devices lack this ability, making self-healing materials a promising solution for improving their durability and functionality.* -
  • The review explores recent advancements in self-healing polymers and energy-harvesting devices like triboelectric nanogenerators, while also addressing current challenges and future strategies for sustainability.*
View Article and Find Full Text PDF

Importance: The relationship between self-reported walking limitation, a proxy of muscle function, and fracture risk has not been investigated.

Objective: To examine the association between a self-reported walking limitation of 1000 m or less and 5-year risk of fracture.

Design, Setting, And Participants: This prospective cohort study compared individuals with various degrees of walking ability limitation at 1000 m (a little limitation and a lot of limitation) and those without limitation (no limitation) accounting for age, falls, prior fractures, and weight.

View Article and Find Full Text PDF

Background: The Proteolipid Protein 2 (PLP2), a protein in the Endoplasmic Reticulum (ER) membrane, has been reported to be highly expressed in various tumors. Previous studies have demonstrated that the reduced PLP2 can induce apoptosis and autophagy through ER stress-related pathways, leading to a decreased proliferation and aggressiveness. However, there is no research literature on the role of PLP2 in Acute Myeloid Leukemia (AML).

View Article and Find Full Text PDF

Mineral trioxide aggregates (MTA) are commonly used as endodontic filling materials but suffer from a long setting time and tooth discoloration. In the present study, the feasibility of using barium titanate (BTO) for discoloration and a calcium chloride (CaCl) solution to shorten the setting time was investigated. BTO powder was prepared using high-energy ball milling for 3 h, followed by sintering at 700-1300 °C for 2 h.

View Article and Find Full Text PDF