Publications by authors named "Tian Xiaofei"

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  • The study discusses the correction of radially deviated Wassel type III thumb polydactyly, focusing on 34 cases treated through various surgical techniques.
  • The approach included opening-wedge osteotomies combined with bone grafting in 28 cases, and soft tissue reconstruction in 6, using absorbable sutures instead of traditional K-wires for stabilization.
  • Follow-up over 12-78 months showed that 25 patients had good results, with the researchers emphasizing the need for ongoing studies to improve long-term outcomes and refine the technique.
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  • Seven new triterpenoids, named daldiconoids A-G, were found in the fruiting bodies of a fungus called Daldinia concentrica.
  • Daldiconoid A is a unique compound with a complex structure, which was identified using various analytical techniques.
  • Some of these compounds showed the ability to reduce inflammation markers in immune cells and affected a specific signaling pathway involved in inflammation.
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  • Stress can cause significant damage to liver cells, highlighting a notable lack of research in this area, which this study aimed to address.* -
  • The researchers developed a mouse model of restraint stress and used various advanced techniques to analyze liver function and cell damage, finding that oxidative stress plays a key role.* -
  • The findings suggest that the methylation of the GSTP1 gene contributes to liver damage during stress, implicating a pathway (TF/Nrf2) linked to a specific type of cell death called ferroptosis.*
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  • The study aimed to explore how acute and chronic restraint stress affects spleen pathology and immune cell changes in mice, which could shed light on stress-related disorders.
  • Mice were restrained for varying lengths of time, and after the stress periods, researchers measured spleen weight, structure, and immune cell behavior through various experiments.
  • Results indicated that stressed mice had abnormal behaviors, smaller spleens with structural damage, and changes in certain immune cells, suggesting that stress can negatively impact immune system regulation.
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Objectives: Despite some existing studies on the safety of high static magnetic fields (SMFs), the effects of ultra-high SMFs above 20.0 T for embryonic development in early pregnancy are absent. The objective of this study is to evaluate the influence of 16.

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Background: Niraparib significantly prolonged progression-free survival versus placebo in patients with platinum-sensitive, recurrent ovarian cancer (PSROC), regardless of germline mutation (gm) status, in NORA. This analysis reports final data on overall survival (OS).

Methods: This randomised, double-blind, placebo-controlled, phase 3 trial enrolled patients across 30 centres in China between 26 September 2017 and 2 February 2019 (clinicaltrials.

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Introduction: The mental health of university students is influenced by a variety of factors, including self-esteem and personality traits, with resilience playing a crucial role in mediating and moderating these relationships. This study investigates the intricate dynamics affecting mental well-being in Chinese university students, focusing on the roles of self-esteem, personality traits, and the interventional effects of resilience.

Methods: A cross-sectional survey was conducted with 689 students, aged on average 20.

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We study the dynamics of the end monomers of a real chain confined in a spherical cavity to search for a small target on the cavity surface using Langevin dynamics simulation. The results are compared and contrasted with those of a Rouse chain to understand the influence of excluded volume interactions on the search dynamics, as characterized by the first passage time (FPT). We analyze how the mean FPT depends on the cavity size Rb, the target size a, and the degree of confinement quantified by Rg/Rb, with Rg being the polymer radius of gyration in free space.

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Biochar as an agricultural soil amendment plays vital roles in mediating methane (CH) and nitrous oxide (NO) emissions in soils. The link between different types of biochar, bulk soil, and rhizosphere microbial communities in relation to CH and NO emissions is being investigated in this study. The rice pot experiment was conducted using biochar at two temperatures (300°C and 500°C) in combination with three biochar levels (0, 2, 10% w/w).

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  • * The study explores how stress affects heart cells (cardiomyocytes) by disrupting mitochondrial dynamics and potentially triggering endoplasmic reticulum stress, which may cause further damage.
  • * Findings reveal that under prolonged stress, specific markers related to mitochondrial function and stress signaling pathways show significant changes, indicating that stabilizing mitochondrial processes could help protect heart cells from injury.
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  • Developed a theory using the generalized Langevin equation to analyze the motion of a particle with inhomogeneous bead-spring Rouse chains, allowing for varied friction coefficients and chain properties.
  • Achieved an exact solution for the memory kernel K(t), linking it to the relaxation of the grafted chains and deriving the mean square displacement g(t) of the particle based on its friction coefficient.
  • Introduced a critical relaxation time that differentiates the effects of solvent and grafted chains on the particle's mobility, facilitating a deeper understanding of its dynamics across various regimes.
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Background: There is no consensus on whether intravenous rehydration must be added after preoperative phenoxybenzamine (PXB) administration for pheochromocytoma. The aim of this study is to investigate whether abandonment of intravenous volume expansion after PXB administration is associated with intraoperative hemodynamic instability.

Methods: 83 Patients with pheochromocytoma received surgical treatment in the Department of Urology, Handan First Hospital, between October 2014 and July 2022.

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Histone H3 is phosphorylated at Ser10 by multiple kinases, and many of them are anti-cancer targets. Here, we report the first kinase that can phosphorylate H3Ser10 in both interphase and mitosis, which we named KimH3 (kinase of interphase and mitotic Histone H3). Meta-analysis indicates that KimH3 is upregulated in a broad spectrum of human cancers and its high expression is correlated with reduced the median survival time of cancer patients.

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It is well known that alcohol consumption leads to substantially increased free radical levels and health risks, which lacks effective treatment besides alcohol abstinence. Here, we compared different static magnetic field (SMF) settings and found that a downward quasi-uniform SMF of ~0.1 to 0.

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F-actin (filamentous actin) has been shown to be sensitive to mechanical stimuli and play critical roles in cell attachment, migration, and cancer metastasis, but there are very limited ways to perturb F-actin dynamics with low cell toxicity. Magnetic field is a noninvasive and reversible physical tool that can easily penetrate cells and human bodies. Here, we show that 0.

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The purpose of the study was to produce an algorithm and surgical procedure for optimum treatment of pedal macrodactyly. Surgery was performed on 27 feet of 26 patients with a mean age of 33 months at the time of surgery (range: 7-108 months). A multi-technique procedure based on the involved elements of the foot (soft tissue, phalanx, or metatarsal, or a combination of these) was adopted.

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Preconditioning with inhalative carbon monoxide (CO) at low concentrations provides protection against hypoxic and ischemic insults in the brain and heart. The present study aims to test a hypothesis that activation of mitochondrial-derived vesicles (MDVs) is a mechanism underlying the protective effect of CO preconditioning. Here we show that CO preconditioning induced mild oxidative stress and activated massive production of MDVs.

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Nitrates can stimulate the biosynthesis of hydrophilic yellow pigments (HYPs) in Monascus ruber CGMCC 10910. To explore the molecular mechanisms whereby nitrates (NaNO and NHNO) regulate HYP production, an integrated transcriptomic and proteomic analysis was conducted in this study. Nitrate addition led to an approximately 75% higher HYP production compared with the untreated group, especially compounds Y3 and Y4.

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All living organisms on the Earth live and evolve in the presence of the weak geomagnetic field, a quasi-uniform static magnetic field (SMF). In the meantime, although the effects of moderate and high SMFs have been investigated on multiple aspects of a living organism, a long-term SMF exposure of more than 1 year has never been reported. Here, we investigated the influence of a moderate SMF (70-220 mT head-to-toe) long-term continuous exposure (1.

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Although 9.4 T magnetic resonance imaging (MRI) has been tested in healthy volunteers, its safety in diabetic patients is unclear. Furthermore, the effects of high static magnetic fields (SMFs), especially gradient vs.

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The generalized Langevin equation (GLE) provides an attractive theoretical framework for investigating the dynamics of conformational fluctuations of polymeric systems. While the memory kernel is a central function in the GLE, explicit analytical forms for this function have been challenging to obtain, even for the simple models of polymer dynamics. Here, we achieve an explicit analytical expression for the memory kernel in the GLE for the end-to-end vector of Rouse chains in the overdamped limit.

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Crawfish can be easily spoiled due to their rich nutrition and high water content, which is difficult to preserve. In this study, the dominant spoilage organisms in crawfish which were stored at 4 °C in vacuum packaging were identified by high-throughput sequencing technology; after sequencing the full-length 16S rRNA gene, the changes in the bacterial community structure, diversity and quality (texture, flavor, etc.) were analyzed.

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Endometrial carcinoma (EC) morbidity and mortality have been increasing in recent years. Otubain 2 (OTUB2) was shown to be upregulated in EC patients, so the aim of this study was to explore the role of OTUB2 in EC. Cell Counting Kit-8 (CCK-8), colony formation, enzyme-linked immunosorbent assay, the wound healing assay, and Transwell invasion assays were used to investigate the specific role of OTUB2 in EC tumorigenesis.

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Purpose: 9.4 T magnetic resonance imaging (MRI) has been initially tested on healthy human volunteers, but its future application will benefit more from experiments with animal disease models. In the meantime, high static magnetic fields (SMFs) have been shown to improve mice mental health and have anti-tumor potentials.

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Background: With the prevalence of mental issues worldwide, more and more people are suffering from psychological torture. Mental Health Gap Action Program (mhGAP) has been introduced to improve the life quality of humans.

Objectives: To explore and synthesize evidence of participants' experience of mental health first aid (MHFA) training course.

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