Publications by authors named "Li Yanfen"

Objective: To explore the effects of restraint stress and orthodontic tooth movement on the body weight and behavior of rats.

Materials And Methods: Twenty 8-week-old male Wistar rats were randomly divided into four groups: sham stress nonorthodontic (CC), sham stress orthodontic (CO), stress nonorthodontic (SC) and stress orthodontic (SO). Rats in the stress group were subjected to restraint stress for 21 days, and those in the orthodontic group received molar retraction on days 8 to 21 (D8-D21).

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Article Synopsis
  • The study investigates the connection between preoperative C-Reactive Protein to Albumin Ratio (CAR) and negative postoperative outcomes in older patients facing non-cardiac surgeries.
  • It involved analyzing data from 2,511 patients across seven centers, focusing on complications classified as Clavien-Dindo grade III and other associated morbidities.
  • Results indicate that higher CAR levels correlate with increased risks of severe complications and overall morbidity, suggesting that CAR can be a useful indicator for surgical risk in older adults.
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Purpose: Pseudomonas plecoglossicida belongs to the Pseudomonas putida group and is a common aquatic pathogen that induces visceral lesions in fish. However, it has never been previously isolated from human specimen and associated with human infections. In the study, we first investigated the pathogenicity of Pseudomonas plecoglossicida strain "SXY" isolated from a child with infectious pneumonia.

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Endo-periodontal lesions (EPLs) involve both the periodontium and pulp tissue and have complicated etiologies and pathogenic mechanisms, including unique anatomical and microbiological characteristics and multiple contributing factors. This etiological complexity leads to difficulties in determining patient prognosis, posing great challenges in clinical practice. Furthermore, EPL-affected teeth require multidisciplinary therapy, including periodontal therapy, endodontic therapy and others, but there is still much debate about the appropriate timing of periodontal therapy and root canal therapy.

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Background: Brominated flame retardants (BFRs) are widely utilized to mitigate the flammability of various materials. Previous studies have revealed the impact of BFRs exposure on hormonal disruption and bone metabolism which are closely related to periodontitis. However, it remains unknown the potential relationship between BFRs and periodontitis.

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In this study, the goal was to develop a method for detecting and classifying organophosphorus pesticides (OPPs) in bodies of water. Sixty-five samples with different concentrations were prepared for each of the organophosphorus pesticides, namely chlorpyrifos, acephate, parathion-methyl, trichlorphon, dichlorvos, profenofos, malathion, dimethoate, fenthion, and phoxim, respectively. Firstly, the spectral data of all the samples was obtained using a UV-visible spectrometer.

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  • Lead-cooled fast reactors are considered safe and economically viable, but they face challenges like material corrosion and irradiation deterioration.
  • Oxide dispersion-strengthened (ODS) steels are potential materials for fuel cladding, and this study specifically examines MX-ODS steel under irradiation and corrosion.
  • The research finds that while the as-received ODS steel showed poor corrosion resistance, the irradiated steel developed a protective oxide layer, attributed to defects from irradiation that improved its stability against lead corrosion.
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Background And Objective: Acute Kidney Injury (AKI) is a common and severe complication in patients diagnosed with sepsis. It is associated with higher mortality rates, prolonged hospital stays, increased utilization of medical resources, and financial burden on patients' families. This study aimed to establish and validate predictive models using machine learning algorithms to accurately predict the occurrence of AKI in patients diagnosed with sepsis.

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An imbalanced gut microflora may contribute to immune disorders in neonates due to an immature gut barrier. Bacterial toxins, particularly, can trigger the immune system, potentially resulting in uncontrolled gut and systemic inflammation. Previous research has revealed that Bifidobacterium animalis subsp.

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Human infections caused by , an environmental bacterium, are infrequent, with only two cases related to uncommon urinary tract infections and bacteremia reported in recent years. All these cases typically occurred in elderly patients with compromised or decreased immune function. Simultaneously, the epithelial barrier disruption induced by invasive biopsy procedures or gastrointestinal disorders such as gastroenteritis provided a pathway for to infiltrate the organism.

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Aims: Arsenic exposure is a significant global public health concern and has been implicated in endocrine disruption and increased oxidative stress, both of which are crucial pathogenic mechanisms of periodontitis. This study aimed to investigate the association of urinary total arsenic and arsenic species with periodontitis and to further explore the potential mediating roles of sex hormones and oxidative stress indicators.

Methods: Data used in this study were derived from the 2013-2014 National Health and Nutrition Examination Survey (NHANES) in the US population.

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Objectives: To investigate the association between serum per- and polyfluoroalkyl substances (PFAS) and periodontitis, and further explore the possible mediating role of sex hormones in this association.

Methods: We extracted data from National Health and Nutrition Examination Survey (NHANES) 2009-2014. Univariable and multivariable logistic regression models were performed to investigate the association between serum levels of seven PFASs and periodontitis.

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Left ventricular noncompaction cardiomyopathy (LVNC) is a cardiovascular disease characterized by arrhythmia and heart failure. In this study, LVNC myocardial samples were collected from patients who underwent heart transplantation and were analyzed using exome sequencing. Approximately half of the LVNC patients carried variants, which are associated with clinical symptoms of ventricular tachycardia.

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The disruption of host-microbe homeostasis and uncontrolled inflammatory response have been considered as vital causes for developing periodontitis, subsequently leading to an imbalance between the bone and immune system and the collapse of bone homeostasis. Consequently, strategies to modulate the immune response and bone metabolization have become a promising approach to prevent and treat periodontitis. In this study, we investigated the cooperative effects of Nel-like molecule type 1 (Nell-1) and gold nanoparticles (AuNPs) on macrophage polarization, osteoclast differentiation, and the corresponding functions in an experimental model of periodontitis in rats.

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Background: The central nervous system (CNS) is the most common site of extramedullary invasion in acute lymphoblastic leukemia (ALL), and involvement of the CNS is often associated with relapse, refractory disease, and poor prognosis. Chimeric antigen receptor-T (CAR-T) cell therapy, a promising modality in cancer immunotherapy, has demonstrated significant advantages in the treatment of hematological malignancies. However, due to associated adverse reactions such as nervous system toxicity, the safety and efficacy of CAR-T cell therapy in treating CNSL remains controversial, with limited reports available.

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Aim: To explore the association between polycyclic aromatic hydrocarbons (PAHs) (measured using urinary metabolites) and periodontitis using data from the National Health and Nutrition Examination Survey 2009-2014.

Materials And Methods: Weighted binary logistic regression, Bayesian kernel machine regression (BKMR) and weighted quantile sum (WQS) regression were used to evaluate independent and joint associations between the six urinary monohydroxylated metabolites of PAHs (OH-PAHs) and periodontitis.

Results: In all, 3413 participants were included in this study.

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The gut-brain axis is a bidirectional communication system between the gut and central nervous system. Many host-related factors can affect gut microbiota, including oral bacteria, making the brain a vulnerable target via the gut-brain axis. Saliva contains a large number of oral bacteria, and periodontitis, a common oral disease, can change the composition of salivary microbiota.

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Objective: This study aimed to evaluate the efficacy and safety of venetoclax in combination with hypomethylating agents and CAG (VEN-DCAG) regimens in patients with relapsed/refractory acute myeloid leukemia (R/R AML).

Methods: The treatment response was analyzed by retrospective methods in R/R AML patients treated with the VEN-DCAG regimen at our institution. This included, but was not limited to, CR/CRi (complete remission/complete remission with incomplete hematologic recovery) rate, measurable residual disease (MRD) negative rate, and overall survival (OS).

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Heart failure (HF), a complex clinical syndrome, has become a global burden on health and economics around the world. Phlegm-blood stasis syndrome, one of the Traditional Chinese Medicine (TCM) syndrome differentiation, is the core pathogenesis dynamically throughout the occurrence, development, and prognosis of HF. Biomarkers having high sensitivity and specificity are highly demanded to facilitate the accurate differentiation of HF patients with phlegm-blood stasis syndrome.

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Objective: This study aimed to assess the association between the Mediterranean diet (MedDiet) and periodontitis in US adults and to further explore the mediating roles of obesity indicators in this association.

Background Data: The relationship between MedDiet and periodontitis is controversial. And it is unclear whether obesity indicators are potential mediators of this relationship.

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Article Synopsis
  • Coffee is a widely consumed beverage and the main source of caffeine for many, but it may be linked to increased bone loss and periodontitis.
  • A study analyzing data from 3309 participants found a positive correlation between coffee consumption and the severity of periodontitis, especially for certain types of coffee.
  • Specific urinary caffeine metabolites also showed significant associations with periodontitis, suggesting that both coffee intake and its breakdown products may contribute to gum disease.
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  • - This study examines a new biomaterial made from Laponite (LAP) nanosilicate incorporated into Polycaprolactone (PCL) nanofibrous membranes, aiming to enhance periodontal regeneration in both lab and rat models.
  • - The PCL/LAP membranes demonstrated strong biocompatibility and promoted the growth and differentiation of periodontal ligament cells (PDLCs), showing potential for improving tissue repair.
  • - Additionally, the membranes positively influenced immune responses by encouraging anti-inflammatory activities and macrophage polarization, leading to effective healing of periodontal and calvarial defects in rats.
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  • Anti-PD-1 monotherapy was found to be ineffective for patients with relapsed/refractory AML showing high levels of PD-1 and PD-L1, leading to a study of a combination therapy involving PD-1 inhibitors and hypomethylating agents.
  • In a phase 2 trial with 27 patients, the combination therapy achieved a 63% objective response rate, with median overall survival not reached in responders and median event-free survival at 9.2 months.
  • The combination of tislelizumab, hypomethylating agents, and the CAG regimen showed promising results with mild adverse effects, while higher levels of specific T cells may indicate better treatment outcomes.
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Heat networks play a vital role in the energy sector by offering thermal energy to residents in certain countries. Effective management and optimization of heat networks require a deep understanding of users' heat usage patterns. Irregular patterns, such as peak usage periods, can exceed the design capacities of the system.

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