Publications by authors named "Yachen Li"

Alternative splicing (AS) plays a critical role in gene expression by generating protein diversity from single genes. This review provides an overview of the role of AS in regulating cell fate, focusing on its involvement in processes such as cell proliferation, differentiation, apoptosis, and tumorigenesis. We explore how AS influences the cell cycle, particularly its impact on key stages like G1, S, and G2/M.

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Background: Clozapine exhibits significant therapeutic efficacy in schizophrenia, especially treatment-resistant schizophrenia. However, clozapine can cause agranulocytosis, a fatal adverse effect, and the aim of this study is to explore this mechanism based on network pharmacology and molecular docking.

Method: Six and two databases were used to identify targets associated with clozapine and agranulocytosis, respectively.

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Article Synopsis
  • Long-term exposure to fine particulate matter (PM) and submicron particulate matter was studied in a large population of 86,844 adults, focusing on mortality rates associated with different particle sizes from 2005 to 2018.
  • The study used advanced satellite data to assess annual PM exposure and found significant links between increased mortality rates and higher concentrations of both PM and submicron PM.
  • Results showed a clear hazard ratio indicating that for every 10-μg/m³ increase in PM exposure, the risk of all-cause mortality elevated, with specific risks calculated for both PM and submicron PM participants.
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The treatment of cognitive impairment in schizophrenia is an unaddressed need due to the absence of novel treatments. Recent studies demonstrated that fingolimod and siponimod have neuroprotective effects in several neuropsychiatric disorders; however, their pharmacological mechanisms are unclear. The objective of this study was to identify potential molecular mechanisms of fingolimod and siponimod for improving cognition of schizophrenia through network pharmacology and molecular docking.

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Background: Gastric cancer is a leading cause of cancer-related deaths influenced by both genetic and environmental factors. Triphenyl phosphate (TPP) is a prevalent flame retardant, but its health implications remain to be thoroughly understood.

Objective: To explore the link between TPP exposure and gastric cancer by examining gene expression patterns and developing a predictive model.

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Background: The interaction between environmental endocrine-disrupting chemicals, such as Bisphenol A (BPA), and their influence on cancer progression, particularly regarding the GOLPH3 gene in colorectal cancer, remains unclear.

Methods: We performed an integrated analysis of transcriptional profiling, clinical data, and bioinformatics analyses utilizing data from the Comparative Toxicogenomics Database and The Cancer Genome Atlas. The study employed ClueGO, Gene Set Enrichment Analysis, and Gene Set Variation Analysis for functional enrichment analysis, alongside experimental assays to examine the effects of BPA exposure on colorectal cancer cell lines, focusing on GOLPH3 expression and its implications for cancer progression.

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Article Synopsis
  • 5-fluorouracil (5-FU) is a common chemotherapy drug for colon cancer, but tumors often develop resistance, making treatment difficult; the study investigates how Protosappanin B (PSB) might help overcome this resistance.* -
  • Using patient tissue samples and 5-FU resistant cell lines, researchers discovered that high levels of LINC00612 are linked to increased resistance, and blocking LINC00612 made the cancer cells more sensitive to 5-FU.* -
  • The study found that PSB reduces 5-FU resistance by decreasing LINC00612 levels and affecting the interaction with miR-590-3p and GOLPH3, suggesting a potential therapeutic
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A practical metal-free and additive-free approach for the synthesis of 6/7/8-membered oxacyclic ketone-fused isoxazoles/isoxazolines tetracyclic or tricyclic structures is reported through C-H bond radical nitrile oxidation and the intramolecular cycloaddition of alkenyl/alkynyl-substituted aryl methyl ketones. This convenient approach enables the simultaneous formation of isoxazole/isoxazoline and 6/7/8-membered oxacyclic ketones to form polycyclic architectures by using -butyl nitrite (TBN) as a non-metallic radical initiator and N-O fragment donor.

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Background: Airborne particulate matter pollution has been linked to occurrence of childhood allergic rhinitis (AR). However, the relationships between exposure to particulate matter with an aerodynamic diameter ≤1 μm (PM) during early life (in utero and first year of life) and the onset of childhood AR remain largely unknown. This study aims to investigate potential associations of in utero and first-year exposures to size-segregated PMs, including PM, PM, PM, PM, and PM, with childhood AR.

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Empathy helps us navigate social interactions and promotes prosocial behaviors like caregiving and helping. Here, we explored whether awe, a key self-transcendent and epistemic emotion, could encourage greater empathy across seven diverse student and community samples collected between 2020 and 2022. Empathy is a multifaceted construct; thus, we assessed performance on a range of empathy measures including perspective taking accuracy (Study 2), empathic accuracy (Study 3; preregistered), emotion contagion and compassion (Study 4).

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Background: Studies suggested that greenness could reduce death risks related to ambient exposure to particulate matter (PM), while the available evidence was mixed across the globe and substantially exiguous in low- and middle-income countries. By conceiving an individual-level case-crossover study in central China, this analysis primarily aimed to quantify PM-mortality associations and examined the modification effect of greenness on the relationship.

Methods: We investigated a total of 177,058 nonaccidental death cases from 12 counties in central China, 2008-2012.

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Most existing studies have investigated short-term associations between ozone exposure and acute disease events among children at a daily timescale, which might neglect risk effects happening within several hours after ozone exposure. In this research, we aimed to depict intraday associations between pediatric emergency department visits (PEDVs) and exposure to ozone in order to better detect ultra-short-term effects of ozone exposure on children. We obtained hourly data of all-cause PEDVs, air pollutants, and meteorological factors in Shenzhen and Guangzhou, China, 2015-2018.

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Background: Cohort evidence linking long-term survival with exposure to multiple air pollutants (e.g., fine particulate matter [PM] and ozone) was extensively sparse in low- and middle-income countries, especially among older adults.

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Background: Emerging evidence has integrated short-term exposure to PM with children's morbidity and mortality. Nevertheless, most available studies have been conducted on a daily scale, ignoring the exposure variations over the span of a day.

Objective: The main intention of this study was to examine the association between pediatric emergency department visits (PEDVs) and intra-day exposures to PM and PM.

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Osteoarthritis (OA) is a type of common degenerative joint disorder, in which adipose mesenchymal stem cells (ADSCs) and the secreted exosomes play an important role. The purpose of this study was to investigate the role and mechanism of exosomes derived from ADSCs (ADSC-exos) in OA. The gradient of IL-1β concentration was designed to construct the articular chondrocyte model of arthritic mice.

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Patients with major psychiatric disorders (MPD) that include schizophrenia (SCH), bipolar disorder (BP), and major depressive disorder (MDD) are at increased risk for coronavirus disease 2019 (COVID-19). However, the safety and efficacy of COVID-19 vaccines in MPD patients have not been fully evaluated. This study aimed to investigate adverse events (AEs)/side effects and efficacy of COVID-19 vaccines in MPD patients.

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Organophosphate flame retardants (OPFRs) are alternatives to brominated flame retardants (BFRs) and have recently gained wide acceptance in various materials. For the treatment and prevention of diseases, it is also important to clarify the relationship between OPFRs and tumors, despite the fact that OPFRs are less toxic than BFRs. This research used the TCGA and CTD databases for transcriptome profiling and identifying OPFRs-related genes.

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Physical education is an important part of a university, and the satisfaction of college students for physical education directly determines the teaching effect of physical education. Therefore, it is of great significance to understand college students' satisfaction with physical education and its influencing factors for improving the level of physical education. In this paper, by means of multistage sampling, probability sampling according to scale and random equidistant sampling, 7 main campuses, including 36 subcampuses, are selected for data entry, cleaning, and calculation by using the college physical education teaching system.

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Background: Irritable bowel syndrome (IBS) is a common functional bowel disorder. Many systematic reviews/meta-analyses indicate that acupuncture and related therapies are effective for IBS. However, the robustness of the results in the systematic reviews and meta-analyses has not been evaluated.

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The development of intelligent designs of new antibacterial modalities for diagnosing and treating chronic multidrug-resistant bacterial infections is an urgent need, but achieving the precisive theranostic in response to specific inflammatory microenvironments remains a great challenge. This paper describes our work designing and demonstrating infection microenvironment-activated core-shell Gd-doped BiS@Cu(II) boron imidazolate framework (BiS:Gd@Cu-BIF) nanoassemblies. Upon exposure to a single beam of 808 nm laser, BiS:Gd@Cu-BIF nanoassemblies showed exceptional photothermal conversion (η = 52.

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Article Synopsis
  • - The study investigates how the fungicide Dimethomorph (DMM) is broken down in the body, focusing on the human enzyme cytochrome P450 (CYP) and specifically the CYP3A enzyme's role in this metabolism.
  • - DMM goes through a two-step oxidation process where it not only gets metabolized but also causes CYP3A to become inactive in a "suicide" manner through harmful intermediates generated during its breakdown.
  • - Certain common pesticides can significantly interfere with the metabolism of DMM by CYP3A, potentially leading to increased exposure to DMM in humans, emphasizing the need to understand the environmental and toxicological implications of using DMM.
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Carbendazim (CBZ), a broad-spectrum pesticide frequently detected in fruits and vegetables, could trigger potential toxic risks to mammals. To facilitate the assessment of health risks, this study aimed to characterize the cytochrome P450 (CYPs)-mediated metabolism profiles of CBZ by a combined experimental and computational study. Our results demonstrated that CYPs-mediated region-selective hydroxylation was a major metabolism pathway for CBZ in liver microsomes from various species including rat, mouse, minipig, dog, rabbit, guinea pig, monkey, cow and human, and the metabolite was biosynthesized and well-characterized as 6-OH-CBZ.

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Decabromodiphenyl ether (BDE209) has been widely used as a flame retardant in the past four decades, leading to human health consequences, especially neurological impairments. Our previous in vivo studies have suggested that developmental neurotoxicity in offspring may be the result of BDE209-induced placental type III iodothyronine deiodinase (Dio3) disturbance and consequent thyroid hormone (TH) instability. Dio3 is paternally imprinted gene, and its balanced expression is crucial in directing normal development and growth.

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Bacteria induced wound infection has become fatal healthcare issues needed to be resolved urgently. It is of vital importance to develop multifunctional therapeutic platforms to fight against increased bacterial antibiotic resistance. Herein, a titanium carbide (MXene)/zeolite imidazole framework-8 (ZIF-8)/polylactic acid (PLA) composite membrane (MZ-8/PLA) was fabricated through in-situ growth of ZIF-8 on MXene and the subsequent electrospinning process.

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