Publications by authors named "Ranran Zhao"

Background: In the digital health era, telemedicine has become a key driver of health care reform and innovation globally. Understanding the factors influencing residents' choices of telemedicine services is crucial for optimizing service design, enhancing user experience, and developing effective policy measures.

Objective: This study aims to explore the key factors influencing Chinese residents' choices of telemedicine services, including consultation fee, physician qualifications, appointment waiting time, scope of services, privacy protection, and service hours.

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Background: Harmful drinking habits can have a profound effect on individual health. However, there is currently a lack of network analysis studies on clinical indicators related to drinking population. The aim of this study was to investigate the relationships among drinking characteristics, cognitive functions, liver and kidney functions, and glucose and lipid levels in alcohol drinkers through the application of network analysis.

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Background: Prostate cancer is a common malignancy amongst males worldwide. Radical prostatectomy (RP) is a standard treatment, but preoperative anxiety, which affects about 69.5% of patients, negatively affects postoperative outcomes.

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The recurrence rate of cancer following surgical procedures is markedly affected by the degree of tumor removal. During the operation, tumor-targeted imaging is of crucial significance as it assists surgeons in attaining the most comprehensive tumor excision. Herein, a theranostic platform (CDSP NPs) is developed through the assembly of carbon dots (CDs) with paclitaxel prodrugs.

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The impact of neural activity on aging and longevity remains poorly understood, with limited understanding of the specific neuron groups and molecular mechanisms that regulate lifespan. In this study, we uncover a correlation between human longevity and reduced CaMK4 expression in the frontal cortex. We further show that this link is conserved in , where the loss of the homolog CMK-1 leads to increased longevity and enhanced proteostasis.

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Acute myeloid leukemia (AML) is a malignant blood cancer resulting from leukemia stem cells (LSCs) supplanting normal stem cells. Platelet-derived growth factors (PDGFs) are important for LSCs but have not been studied in the development of AML. In this study, transcriptome data of PDGFs were sourced from The Cancer Genome Atlas (TCGA) and GTEx databases, and relevant differential expression and prognosis analysis were performed using R software packages and online tools (UCSC-Xena Shiny tools, GEPIA2, Kaplan-Meier Plotter databases, etc.

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Large-scale gene expression profiling generates or integrates massive data of gene expression under drug induction and employs artificial intelligence algorithms for pattern matching and association analysis. This approach facilitates the identification of complex relationships and functional networks between drugs, genes, and diseases, thereby significantly advancing drug research. Traditional Chinese medicine(TCM), with its characteristic multi-component, multi-target, and multi-pathway mechanisms, poses challenges to conventional methodologies in the comprehensive elucidation of its biological effects.

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Our research was conducted to investigate the effects of Lactarius volemus Fr. polysaccharides (LVP) on metabolic disorders and intestinal barrier dysfunction in HFFD-induced obese mice. Our findings demonstrated that LVP supplementation significantly ameliorated hyperlipoidemia and hyperglycemia, insulin resistance and hepatic inflammation.

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The involvement of N7-Methylguanine (m7G) RNA methylation regulators in the progression of different types of solid cancers in humans has been established. However, the specific impact of m7G-related genes on Acute myeloid leukemia (AML) remains uncertain. Our research aims to build a novel signature of M7Gs that could enhance our understanding of the molecular heterogeneity in leukemia.

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Background: Drug repositioning has the potential to reduce costs and accelerate the rate of drug development, with highly promising applications. Currently, the development of artificial intelligence has provided the field with fast and efficient computing power. Nevertheless, the repositioning of traditional Chinese medicine (TCM) is still in its infancy, and the establishment of a reasonable and effective research method is a pressing issue that requires urgent attention.

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Chlorite (ClO) is a regulated byproduct of chlorine dioxide water treatment processes. The transformation of chlorite under UV irradiation into chloride (Cl) and chlorate (ClO) involves reactive species chain reactions that could enhance chlorine dioxide water treatment efficiency while reducing residual chlorite levels. This study conducted a mechanistic investigation of chlorite phototransformation by analyzing reaction intermediates and stable end products, including chlorine dioxide (ClO), free chlorine (HOCl/OCl), hydroxyl‑radical (OH), Cl, and ClO through combined experimental and modeling approaches.

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Background: The effects of vitamin C supplementation on patients with septic shock remain controversial. We aimed to evaluate the effects of different vitamin C dosages on norepinephrine (NE) synthesis in adult patients with septic shock.

Methods: A total of 58 patients with septic shock admitted to our intensive care unit (ICU) between July 2021 and December 2022 were included.

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Recently, extreme wildfires occur frequently around the world and emit substantial brown carbon (BrC) into the atmosphere, whereas the molecular compositions and photochemical evolution of BrC remain poorly understood. In this work, primary smoke aerosols were generated from wood smoldering, and secondary smoke aerosols were formed by the OH radical photooxidation in an oxidation flow reactor, where both primary and secondary smoke samples were collected on filters. After solvent extraction of filter samples, the molecular composition of dissolved organic carbon (DOC) was determined by Fourier transform ion cyclotron resonance mass spectrometry (FTICR MS).

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Article Synopsis
  • Peroxymonosulfate (PMS)-based advanced oxidation processes (AOPs) effectively remediate antibiotic-contaminated soils, with a natural pyrite-biochar composite achieving a 76% removal of SMX within 120 minutes.
  • Different degradation mechanisms operate in aqueous versus soil solutions, with active species and oxygen playing crucial roles in breaking down contaminants.
  • The method also promotes the germination and growth of mung bean seeds, indicating its environmental compatibility and potential for real-world application in soil remediation.
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Dissolved black carbon (DBC) has high photoactivity, which plays an important role in contaminants photodegradation. However, it is unclear how pyrolysis temperatures would affect the composition and photo-reactivity of DBC at the molecular level. Herein, we combined complementary techniques to study the characteristics of DBC pyrolyzed at 200 - 500 ℃, as well as the photoproduction of reactive species and the photodegradation of tetracycline (TC).

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Over the last 20 years, breakthroughs in accessible therapies for the treatment of multiple myeloma (MM) have been made. Nevertheless, patients with MM resistant to immunomodulatory drugs, proteasome inhibitors, and anti-CD38 monoclonal antibodies have a very poor outcome. Therefore, it is necessary to explore new drugs for the treatment of MM.

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Background: Previous studies reported that patients with asthma showed higher levels of interleukin (IL)-33 in peripheral blood, compared to healthy control (HCs). However, we also noticed that there were no significant differences of IL-33 levels between controls and asthma patients in a recent study. We aim to conduct this meta-analysis and evaluate the feasibility of IL-33 in peripheral blood that may act as a promising biomarker in asthma.

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Drought stress is a major environmental threat that limits plant growth and crop productivity. Therefore, it is necessary to uncover the molecular mechanisms behind drought tolerance in crops. Here, OsWRKY76 positively regulated drought stress in rice.

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Article Synopsis
  • This study explored how chronotypes (morning or evening preference) relate to aggression levels in adolescents aged 11-16 from rural Ningxia Province, China, involving 755 students.* -
  • Results indicated that evening-type adolescents showed higher levels of aggression compared to morning-types, with a significant negative correlation found between chronotype scores and aggression scores across various models controlling for factors like age, sex, family, and class environment.* -
  • The findings suggest that evening-type adolescents are more prone to aggressive behavior, highlighting the influence of chronotypes on adolescent conduct and suggesting the need for supportive measures.*
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OsWRKY28 confers salinity tolerance by directly binding to OsDREB1B promoter and increasing its transcriptional activity, and negatively regulates abscisic acid mediated seedling establishment in rice. WRKY transcription factors have been reported to play a vital role in plants growth, development, abiotic and biotic stress responses. In this study, we explored the functions of a transcription factor OsWRKY28 in rice.

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Alkaline soil has a high pH due to carbonate salts and usually causes more detrimental effects on crop growth than saline soil. Sodium hydrogen exchangers (NHXs) are pivotal regulators of cellular Na/K and pH homeostasis, which is essential for salt tolerance; however, their role in alkaline salt tolerance is largely unknown. Therefore, in this study, we investigated the function of a soybean gene, , in plant response to alkaline salt stress.

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Purpose: Definitive chemoradiotherapy (dCRT) is a standard-of-care for locally advanced unresectable esophageal squamous cell carcinoma (ESCC). However, even in individuals treated with the same dCRT regimen, differences in the local control rate and radiation-induced thoracic toxicity exist (radiation-induced esophagitis [RIE]).

Methods And Materials: Here, we describe a comprehensive genomic evaluation of pretreatment tumor tissue samples from 183 patients with ESCC using targeted sequencing of 474 cancer-related genes.

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Organic aerosol (OA) emitted from biomass burning (BB) impacts air quality and global radiation balance. However, the comprehensive characterization of OA remains poorly understood because of the complex evolutionary behavior of OA in atmospheric processes. In this work, smoke particles were generated from rice straw combustion.

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Rice (Oryza sativa) is sensitive to low temperatures, which affects the yield and quality of rice. Therefore, uncovering the molecular mechanisms behind chilling tolerance is a critical task for improving cold tolerance in rice cultivars. Here, we report that OsWRKY63, a WRKY transcription factor with an unknown function, negatively regulates chilling tolerance in rice.

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This paper realized a charge pump phase locked loop (CPPLL) frequency source circuit based on 0.15 μm Win GaAs pHEMT process. In this paper, an improved fully differential edge-triggered frequency discriminator (PFD) and an improved differential structure charge pump (CP) are proposed respectively.

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