The paper proposes a multi-rigid-body system state identification method based on self-healing model in order to improve the accuracy and reliability of CNC machine tools. Firstly, considering the influence of the joint surface, the Lagrange method is used to establish the mechanical model of the multi-rigid-body system. We input acceleration information and use the second-order modulation function to complete the online real-time identification of the joint surface parameters, thereby establishing the self-healing mechanical model of the multi-rigid-body system.
View Article and Find Full Text PDFBackground: Because biologic and small molecule therapy is expensive, payors have mandated pre-authorizations for these medications, often resulting in a lengthy approval process. The aims of this study are to assess the frequency of and risk factors for delays in starting advanced therapies assessing insurance, care team, and patient-related factors.
Methods: Retrospective, multi-center study of adult inflammatory bowel disease patients with prescriptions for an advanced therapy in two geographically distinct academic gastroenterology practices; one with and the other without a dedicated pharmacist.
Situs inversus partialis (SIP) is an extremely rare congenital disorder in which most of the visceral organs are located on the opposite side of their usual anatomical locations. The condition is usually associated with levocardia, in which the apex of the heart is directed toward the left side. In our case study, a female patient with a history of dysphagia and weight loss presented to the outpatient clinic under the urgent two-week wait pathway.
View Article and Find Full Text PDFSoil salinization is a major factor threatening global food security. Soil improvement strategies are therefore of great importance in mitigating the adverse effect of salt stress. Our study aimed to evaluate the effect of biochar (BC) and nitric acid-modified biochar (HBC) (1%, 2%, and 3%; m/m) on the properties of salinized soils and the morphological and physiological characteristics of pakchoi.
View Article and Find Full Text PDFThis study aimed to demonstrate the utilization value of 1PN embryos. The 1PN zygotes collected from December 2021 to September 2022 were included in this study. The embryo development, the pronuclear characteristics, and the genetic constitutions were investigated.
View Article and Find Full Text PDFThe substantial accumulation of polyethylene terephthalate (PET) plastic waste in the environment has exacerbated the issue of plastic pollution. The biodegradation of PET plastics using biological enzymes has garnered considerable attention due to its efficiency and environmentally friendly nature. Nevertheless, the low binding affinity of PET plastics presents a significant limitation to the application of biocatalysts in their degradation.
View Article and Find Full Text PDFBackground: Non-ulcerative necrosis of the stomach and duodenum is rare because of the abundant blood supply in the gastrointestinal tract. Duodenal necrosis is a rare complication of severe acute pancreatitis. Emergency pancreaticoduodenectomy (EPD) is a rare procedure, with extensive duodenal necrosis being one of its indications.
View Article and Find Full Text PDFPurpose: Combined BRAF, MEK, and EGFR inhibition can induce clinical responses in BRAF-V600E-mutant colon cancer, but rapid resistance often occurs.
Methods: We use serial monitoring of circulating tumor DNA cell-free plasma DNA (cfDNA) in a patient case study in addition to organoids derived from mouse models of BRAF-V600E-mutant intestinal cancer, which emulated the patient's mutational profile to assess drug treatment efficacy.
Results: We demonstrate dynamic evolution of resistance to combined EGFR/BRAF/MEK inhibition in a pediatric patient with metastatic BRAF-V600E-mutant, mismatch repair-stable colon cancer.
Background: Surgery can induce severe neuroinflammation and negative emotional symptoms, such as anxiety-like behaviour. We studied whether reactive astrocytes in the zona incerta (ZI) mediate surgery-induced anxiety in mice.
Methods: Laparotomy under isoflurane 1.
Purpose Of Review: Recent recognition of the importance of abnormal spirometry without obstruction has generated interest in its epidemiology, risk factors, longitudinal outcomes, and clinical implications.
Recent Findings: Preserved ratio impaired spirometry (PRISm), defined as an forced expiratory volume in 1 s (FEV1)/ forced vital capacity (FVC) ≥0.7 with an FEV1 <80% predicted, has a high prevalence globally (2.
Mol Biol Rep
November 2024
Background: Pin2/TRF1 interacting protein X1 (PinX1), a telomerase inhibitor, is located at human chromosome 8p23. This region is important for telomere length maintenance and chromosome stability, both of which are essential for regulating human ageing and associated diseases.
Methods And Results: We investigated the research progress of PinX1 in human cancers.
This work presents the development of a novel nanotube (S12HNTS-T-P) that is coated with polyethylenimine (PEI) and internally loaded with a corrosion inhibitor (thiourea) utilizing vacuum negative pressure and electrostatic adsorption methods. A smart self-healing coating with self-repairing properties was fabricated on the basis of S12HNTS-T-P. Bis[3-(triethoxysilyl)propyl]tetrasulfide (Si69), a widely used organosilane coupling agent, provides stability and corrosion resistance.
View Article and Find Full Text PDFBackground: Mucosal melanoma (MM) is epidemiologically, biologically, and molecularly distinct from cutaneous melanoma. Current treatment strategies have failed to significantly improve the prognosis for MM patients. This study aims to identify therapeutic targets and develop combination strategies by investigating the mechanisms underlying the tumorigenesis and progression of MM.
View Article and Find Full Text PDFThe Self-regulatory Executive Function model elucidates how metacognitions link to the development and maintenance of gambling disorder, however whether, and how, metacognitions explain responsible gambling remains unknown. This study is the first to address this knowledge gap by: (a) examining whether both generic and gambling-specific metacognitions explain variances in responsible gambling; and (b) testing the mediating role of depression between generic/gambling-specific metacognitions and responsible gambling. A two-stage cluster random sampling method was used to obtain a probability sample of 837 Chinese adult gamblers (48.
View Article and Find Full Text PDFFront Endocrinol (Lausanne)
November 2024
Objective: This study aims to analyze the causal relationship between autoimmune thyroiditis (AIT) and inflammatory bowel disease (IBD) using bidirectional Mendelian randomization (MR).
Methods: Single nucleotide polymorphisms were obtained from FinnGen. Exposure-outcome causality was assessed using inverse variance weighted, MR-Egger, and weighted median.
Major depressive disorder (MDD) is recognized as the most prevalent affective disorder worldwide. Metagenomic studies increasingly support a critical role for dysbiosis of gut microbiota in the development of depression. Previous studies have demonstrated that adenosine alleviates gut dysbiosis, suggesting that elevating adenosine levels could be a novel intervention for MDD; however, the mechanisms underlying this effect remain unclear.
View Article and Find Full Text PDFPromoting the advancement of the structure and function of metastable substances is challenging but worthwhile. In particular, how to harness the entangled state and evolution path of labile porous structures has been at the forefront of research in molecular self-assembly. In this work, the metastable structures of polyoxovanadate-based metal-organic polyhedra (VMOPs) can be manually regulated, including separation of the interlocked aggregate by a ligand-widening approach as well as transformation from a tetrahedral to capsule-like scaffold via a vertice-remodeling strategy.
View Article and Find Full Text PDFBackground: We compared overall survival (OS) and disease-free survival (DFS) for hepatocellular carcinoma (HCC) following radiofrequency ablation (RFA), microwave ablation (MWA), cryoablation, and liver resection (LR), with the aim of evaluating treatment plans for early-stage HCC.
Methods: Studies in PubMed, Web of Science, and Cochrane databases from April 1, 2004, to April 1, 2024, were searched. Articles were evaluated for quality using the randomized controlled trials tool.
Background: Studying the professional commitment of a student in an 8-year medical training program of China, especially its association with academic performance, can enhance the understanding of professional loyalty in future doctors. This study aimed to investigate the self-efficacy, academic performance, professional commitment, and learning engagement of 8-year program medical students, and explore the mediating roles of professional commitment and learning engagement on the associations between self-efficacy and academic performance.
Methods: We conducted a cross-sectional study in a Chinese medical university and collected the General Self-Efficacy Scale, Professional Commitment of Undergraduates Scales, and the Utrecht Work Engagement Scale-Student from self-reported students.
The human oral cavity and upper airway serves as an early barrier and reservoir in the transmission of SARS-CoV-2. Saliva in this microenvironment may serve as a key host factor that can modulate susceptibility to infection and eventual infection of the lower respiratory tract. We sought to analyze the content and composition of heparan sulfate, a glycosaminoglycan identified as an important co-receptor for viral entry, and whether there is any correlation with SARS-CoV-2 infection.
View Article and Find Full Text PDFGlutamine is one of the most abundant non-essential amino acids in human plasma and plays a crucial role in many biological processes of the human body. Tumor cells take up a large amount of glutamine to meet their rapid proliferation requirements, which is supported by the upregulation of glutamine transporters. Targeted inhibition of glutamine transporters effectively inhibits cell growth and proliferation in tumors.
View Article and Find Full Text PDFObjectives: Teleconsultation is anticipated to have a long-term role in primary care. However, conducting virtual physical examinations is a well-known limitation. To anticipate unmet needs general practitioners (GPs) and patients may experience during teleconsultation, this study aims to automatically identify physical examinations typically conducted during in-person GP consultation.
View Article and Find Full Text PDF