Publications by authors named "Weiju Chen"

The interaction between germ cells and somatic cells in the ovaries plays a crucial role in establishing the follicle reserve in mammals. Turner syndrome (TS) predominantly affects females who have a partial or complete loss of one X chromosome. Our understanding of the role that granulosa cells (GCs) play in TS disease progression and pathogenesis remains limited.

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Although genetic testing is recommended for all children diagnosed with autism spectrum disorder (ASD) in the United States, it remains unclear how many parents have received and followed these recommendations. This study aimed to assess parental experiences and perspectives of healthcare providers' genetic testing recommendations. A total of 1043 parents of children with ASD from Simons Foundation Powering Autism Research for Knowledge completed an online survey.

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Article Synopsis
  • Enzymes are typically used in biosensing for signal amplification, but their performance can vary with changes in the environment, like pH and temperature.
  • The new approach, called activity-independent enzyme-powered (AIEP) amplification, aims to stabilize and improve signal quality without relying on enzyme activity during the biosensing process.
  • The method was tested by monitoring oxidative stress in drug-induced liver injury, showing that it effectively evaluates hepatoprotective effects using a specific fluorophore and a degradation-triggered nanobeacon.
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Hedgehog (Hh) signaling relies on the primary cilium, a cell surface organelle that serves as a signaling hub for the cell. Using proximity labeling and quantitative proteomics, we identify Numb as a ciliary protein that positively regulates Hh signaling. Numb localizes to the ciliary pocket and acts as an endocytic adaptor to incorporate Ptch1 into clathrin-coated vesicles, thereby promoting Ptch1 exit from the cilium, a key step in Hh signaling activation.

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Triplex DNA switches are attractive allosteric tools for engineering smart nanodevices, but their poor triplex-forming capacity at physiological conditions limited the practical applications. To address this challenge, we proposed a low-entropy barrier design to facilitate triplex formation by introducing a hairpin duplex linker into the triplex motif, and the resulting triplex switch was termed as CTNS. Compared to the conventional clamp-like triplex switch, CTNS increased the triplex-forming ratio from 30 % to 91 % at pH 7.

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Functionalized with the Au-S bond, gold nanoflares have emerged as promising candidates for theranostics. However, the presence of intracellular abundantly biothiols compromises the conventional Au-S bond, leading to the unintended release of cargoes and associated side-effects on non-target cells. Additionally, the hypoxic microenvironment in diseased regions limits treatment efficacy, especially in photodynamic therapy.

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Background: The Internet Plus Nursing Service (IPNS) is being instigated in all provincial-level regions throughout China, in which registered nurses (with more than five years of experience from qualified medical institutions) will provide services to those in their communities or homes after receiving online applications. The growing shortage of human resources in nursing is a critical issue for this project, so effective policies for recruiting and retaining nurses are critical.

Objective: This study aims to pinpoint the significant job characteristics that play a crucial role in shaping the job decisions of sharing nurses in the IPNS program, and to estimate the strength of job attributes.

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The American College of Medical Genetics and Genomics (ACMG) recommends carrier screening for all pregnant women regardless of race or ethnicity. In recent years, the ACMG broadened the guidelines to include expanded carrier screening (ECS) which can screen for 112 conditions. This study seeks to explore the perceptions of pregnant Latina women about the benefits and concerns related to ECS use.

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Context: Despite prevalent anti-osteoporosis medication (AOM) switching in real-world osteoporosis management, few studies have evaluated the impact of persistent AOM treatment, allowing for AOM switching, on the risk of subsequent fracture.

Objective: We examined the association between persistence in AOM and subsequent fractures, allowing for medication switching among patients with osteoporotic fractures.

Methods: This retrospective cohort study used Taiwan National Health Insurance claims data to select patients who initiated AOM between 2013 and 2016.

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Objectives: To describe the occurrence of recurrent atherosclerotic cardiovascular disease (ASCVD) events within 3 years after a new-onset event, the associated disease burden and statin prescribing in patients with ASCVD in Taiwan.

Design: Retrospective cohort study.

Setting: This was a retrospective cohort study using Taiwan's National Health Insurance Research Database.

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With the advance of genetic technologies, the use of expanded carrier screening (ECS) in the prenatal setting is growing. ECS tests for a wide range of inherited genetic disorders regardless of racial/ethnic background and family history. Latinxs are an important ECS stakeholder group as they are the largest minority group with the highest fertility rate in the United States.

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Article Synopsis
  • The study investigates the need for more accurate thrombus biomarkers to diagnose venous thromboembolism (VTE) due to the limitations of D-dimer specificity.
  • Plasma samples from low-risk and high-risk groups were analyzed using mass spectrometry, identifying 371 proteins, with 30 showing significant differences in expression.
  • Among these, von Willebrand factor (VWF) levels were notably higher in the high-risk group, indicating its potential as a biomarker for thrombus in orthopedic surgery patients.
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Background: Consistent and effective self-management is a major challenge for people with diabetes and long-term effects can be difficult to sustain despite the many interventions. Interventions often fail to take patients' perceptions of self-management into account from their perspective. Exploring the needs preferences and the influencing factors of self-management in patients can improve the effectiveness of self-management.

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Background: The diabetes disease burden in China is heavy, and medical standards such as diabetes guidelines are the core reference guidelines for diabetes management for health care providers and patients. However, patients' guideline compliance is too low, which correlates with the gap between guidelines and patients' self-management needs. Incorporating patient needs into the guideline development would reduce this gap.

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Background: Dementia has become a global public health problem, and general practitioners (GPs) play a key role in diagnosing and managing dementia. However, in Chinese primary care settings, dementia is underdiagnosed and inefficiently managed, and dementia screening and management services provided by GPs are suboptimal. The reasons underlying this gap are poorly understood.

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Introduction: The COVID-19 pandemic continues to impact people's lives and professions worldwide. Chinese nurses face immense work pressure under the normalization of COVID-19 prevention and control, resulting in greater turnover intention. It is, therefore, crucial to study the mechanisms that influence the turnover intention of nurses in this situation.

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Deciphering signaling mechanisms critical for the extended pluripotent stem cell (EPSC) state and primed pluripotency is necessary for understanding embryonic development. Here, a membrane protein, podocalyxin-like protein 1 (PODXL) as being essential for extended and primed pluripotency, is identified. Alteration of PODXL expression levels affects self-renewal, protein expression of c-MYC and telomerase, and induced pluripotent stem cell (iPSC) and EPSC colony formation.

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Unlabelled: Treatment persistence was higher among the patients who initially received an anti-osteoporosis medication (AOM) with a long-dose-interval.

Purpose: With long-dose-interval anti-osteoporosis medications (AOMs) available for osteoporosis management, it is important to evaluate persistence of any AOM as long as it is continuously used. The purpose of this study was to investigate the treatment pattern and persistence of AOMs, allowing for medication switch.

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Oligodendrocytes are glial cells located in the central nervous system (CNS) that play essential roles in the transmission of nerve signals and in the neuroprotection of myelinated neurons. The dysfunction or loss of oligodendrocytes leads to demyelinating diseases such as multiple sclerosis (MS). To treat demyelinating diseases, the development of a therapy that promotes remyelination is required.

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Background: Effect of laparoscopic sleeve gastrectomy (LSG) on thyroid function of patients with obesity remains unclear. The aim of this study was to evaluate the changes in thyroid function before and after LSG in patients with obesity.

Methods: Data was retrieved from a retrospectively collected database of patients with morbid obesity and normal thyroid function who received LSG.

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Studies of arousal and emotion show that generalized physiological arousal can enhance emotional experience for a range of different emotions. Other research shows that different emotions may be associated with specific patterns of physiological reactivity. Together these findings suggest that while nonspecific autonomic activation can be sufficient in the generation of emotion, specific patterns of reactivity may appear once the emotion is established.

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The prevalence of autism spectrum disorders (ASD) in Taiwan has been increasing, and genetic testing for ASD has been available and provided to parents of children diagnosed with ASD in Taiwan. However, there is still limited understanding of Taiwanese parents' knowledge of and attitudes toward such testing. Therefore, the present study addressed this gap by assessing the attitudes toward as well as actual and perceived knowledge of ASD genetic testing among Taiwanese parents of children diagnosed with ASD.

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Background: The diagnosis of autism spectrum disorder (ASD) cases is increasing in Taiwan. Genetic testing for children with ASD offers several potential benefits and is available with out-of-pocket expenses. Parents play a pivotal role in having their children with ASD tested; therefore, understanding their perceptions of, and perceived barriers to genetic testing is vital.

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The developmental potential within pluripotent cells in the canonical model is restricted to embryonic tissues, whereas totipotent cells can differentiate into both embryonic and extraembryonic tissues. Currently, the ability to culture in vitro totipotent cells possessing molecular and functional features like those of an early embryo in vivo has been a challenge. Recently, it was reported that treatment with a single spliceosome inhibitor, pladienolide B (plaB), can successfully reprogram mouse pluripotent stem cells into totipotent blastomere-like cells (TBLCs) in vitro.

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