Hypoxic BMSC-derived exosomal miR-210-3p promotes progression of triple-negative breast cancer cells via NFIX-Wnt/β-catenin signaling axis.

Background: Bone marrow mesenchymal stem cells (BMSCs) are a crucial component of the tumor microenvironment (TME), with hypoxic conditions promoting their migration to tumors. Exosomes play a vital role in cell-to-cell communication within the TME. Hypoxic TME have a great impact on the release, uptake and biofunctions of exosomes.

Effects of COVID-19 on short-term outcomes of hip arthroplasty: a multicenter, retrospective, propensity score matched study.

Purpose: The Coronavirus Disease 2019 (COVID-19) pandemic delayed elective procedures such as total joint arthroplasty. As surgical volumes return to prepandemic levels, understanding the implications of COVID-19 becomes imperative. This study explored the effects of COVID-19 on the short-term outcomes of hip arthroplasty.

Three-dimensional printed models improve orthopedic residents' understanding of adolescent idiopathic scoliosis.

Background: Adolescent idiopathic scoliosis, a complex three-dimensional spine deformity, presents a formidable challenge for orthopedic residents in understanding its anatomy and surgical strategies. The aim of this study is to investigate the impact of three-dimensional printing (3DP) models in enhancing the comprehension of adolescent idiopathic scoliosis among orthopedic residents.

Methods: Forty orthopedic residents were randomly divided into two groups, the first group received lectures that were augmented with 3DP models illustrating five cases of adolescent idiopathic scoliosis, along with corresponding X-ray and CT images.

Associations of short-term exposure to air pollution with risk of pulmonary space-occupying lesions morbidity based on a time-series study.

Background: Pulmonary space-occupying lesions are typical chronic pulmonary diseases that contribute significantly to healthcare resource use and impose a large disease burden in China. A time-series ecological trend study was conducted to investigate the associations between environmental factors and hospitalizations for pulmonary space-occupying lesions in North of China from 2014 to 2022.

Methods: The DLNM was used to quantify the association of environmental factors with lung cancer admissions.

The role and mechanism of HMGB1-mediated Notch1/Hes-1 pathway in anxiety and depression-like behaviors in mice with chronic rhinosinusitis.

Background: Chronic rhinosinusitis (CRS) is a global health issue, with some patients experiencing anxiety and depression-like symptoms. This study investigates the role of HMGB1 in anxiety and depression-like behaviors associated with the microglial Notch1/Hes-1 pathway in CRS mice.

Methods: A CRS mouse model was developed, and behavioral assessments were conducted to evaluate anxiety and depression-like behaviors.

Overlooked and underpowered: a meta-research addressing sample size in radiomics prediction models for binary outcomes.

Objectives: To investigate how studies determine the sample size when developing radiomics prediction models for binary outcomes, and whether the sample size meets the estimates obtained by using established criteria.

Methods: We identified radiomics studies that were published from 01 January 2023 to 31 December 2023 in seven leading peer-reviewed radiological journals. We reviewed the sample size justification methods, and actual sample size used.

Enhancing immunotherapy efficacy in colorectal cancer: targeting the FGR-AKT-SP1-DKK1 axis with DCC-2036 (Rebastinib).

This research demonstrates that DCC-2036 (Rebastinib), a potent third-generation tyrosine kinase inhibitor (TKI), effectively suppresses tumor growth in colorectal cancer (CRC) models with functional immune systems. The findings underscore the capacity of DCC-2036 to enhance both the activation and cytotoxic functionality of CD8 T cells, which are crucial for facilitating anti-tumor immune responses. Through comprehensive multi-omics investigations, significant shifts in both gene and protein expression profiles were detected, notably a marked decrease in DKK1 levels.

An accurately supervised motion-aware deep network for non-contact pain assessment of trigeminal neuralgia mouse model.

Pain assessment in trigeminal neuralgia (TN) mouse models is essential for exploring its pathophysiology and developing effective analgesics. However, pain assessment methods for TN mouse models have not been widely studied, resulting in a critical gap in our understanding of TN. With the rapid advancement of deep learning, numerous pain assessment methods based on deep learning have emerged.

Mesenchymal stem cell conditioned medium improves hypoxic injury to protect islet graft function.

Objectives: Islet transplantation is one of the most promising curative methods for type 1 diabetes mellitus (T1DM), but early hypoxic death of the graft post-transplantation impedes successful treatment. To improve the efficacy of islet transplantation and enhance islet cell resistance to hypoxia, reducing hypoxic injury before revascularization is crucial. Mesenchymal stem cells (MSCs) are known to regulate immune responses and protect against hypoxic damage through paracrine mechanisms.

First Metatarsal Osteotomy with an Intramedullary Locking Plate is a Good Alternative for the Reintervention of Recurrent Hallux Valgus.

This study describes the results of first metatarsal (M1) distal osteotomy with an intramedullary locking plate in persistent/recurrent painful hallux valgus (HV) deformity (without advanced degenerative changes) after primary surgery. Outcomes included postoperative incidences of HV angle (HVA)<16°, intermetatarsal angle (IMA)<9°, proximal articular set angle (PASA)<10°, and the American Orthopedic Foot and Ankle Society (AOFAS) score. Data normality was assessed with the Shapiro-Wilk test, and preoperative vs.

Itaconate drives pro-inflammatory responses through proteasomal degradation of GLO1.

Itaconate is a small-molecule metabolite generated by the enzyme aconitate decarboxylase 1 (ACOD1), which is upregulated during inflammation. Traditionally, itaconate has been recognized for its anti-inflammatory properties; however, this study reveals a pro-inflammatory mechanism of itaconate in macrophages. We demonstrate that itaconate promotes the proteasomal degradation of glyoxalase 1 (GLO1) via Cys139.

Convergent-Diffusion Denoising Model for multi-scenario CT Image Reconstruction.

A generic and versatile CT Image Reconstruction (CTIR) scheme can efficiently mitigate imaging noise resulting from inherent physical limitations, substantially bolstering the dependability of CT imaging diagnostics across a wider spectrum of patient cases. Current CTIR techniques often concentrate on distinct areas such as Low-Dose CT denoising (LDCTD), Sparse-View CT reconstruction (SVCTR), and Metal Artifact Reduction (MAR). Nevertheless, due to the intricate nature of multi-scenario CTIR, these techniques frequently narrow their focus to specific tasks, resulting in limited generalization capabilities for diverse scenarios.

Abstracts of systematic reviews and meta-analyses investigating meniscal root repair exhibit a high prevalence of reporting bias.

Background: To present rates of reporting bias in systematic reviews and meta-analyses investigating meniscal root repair.

Methods: In this systematic review, PubMed, Scopus and Web of Science databases were queried for studies that investigated meniscal root tears treated with root repair. Included studies were systematic reviews and/or meta-analyses published in peer-reviewed journals in the English language with available full-texts.

Distance simulation in surgical education.

Distance and remote simulation have emerged as vital tools in modern surgical education, offering solutions to challenges such as limited operating hours, growing clinical demands, and the need for consistent, high-quality training. This review examines the benefits, limitations, and strategies for implementing sustainable distance simulation, structured around 3 foundational pillars: (1) effective hardware and infrastructure, including simulators and realistic scenarios that enable trainees to develop essential skills; (2) validated training programs grounded in educational theory with a clear focus on skill transfer and predictive validity; and (3) timely access to effective feedback. Distance simulation permits adaptable, scalable training environments, but the addition of remote and deferred feedback has further broadened its impact, helping to overcome the challenges posed by faculty availability and clinician time constraints.

Neural network surrogate and projected gradient descent for fast and reliable finite element model calibration: A case study on an intervertebral disc.

Accurate calibration of finite element (FE) models is essential across various biomechanical applications, including human intervertebral discs (IVDs), to ensure their reliability and use in diagnosing and planning treatments. However, traditional calibration methods are computationally intensive, requiring iterative, derivative-free optimization algorithms that often take days to converge. This study addresses these challenges by introducing a novel, efficient, and effective calibration method demonstrated on a human L4-L5 IVD FE model as a case study using a neural network (NN) surrogate.

Dexamethasone Intravitreal Injection in Diabetic Patients Undergoing Cataract Surgery: an updated literature review.

Purpose: This literature review synthetizes current evidence on the timing and efficacy of dexamethasone intravitreal injections for diabetic macular edema (DME) in patients undergoing cataract surgery, particularly phacoemulsification, to determine the optimal timing for improved outcome.

Methods: A systematic review of the literature was conducted across key databases to identify peer-reviewed studies, clinical trials, and meta-analyses addressing dexamethasone injections administered pre-, intra-, and post-operatively for DME in the context of cataract surgery. Studies were selected based on relevance to timing, visual outcomes, and inflammation control, with a focus on comparative efficacy.

Bile acid synthesis impedes tumor-specific T cell responses during liver cancer.

The metabolic landscape of cancer greatly influences antitumor immunity, yet it remains unclear how organ-specific metabolites in the tumor microenvironment influence immunosurveillance. We found that accumulation of primary conjugated and secondary bile acids (BAs) are metabolic features of human hepatocellular carcinoma and experimental liver cancer models. Inhibiting conjugated BA synthesis in hepatocytes through deletion of the BA-conjugating enzyme bile acid-CoA:amino acid -acyltransferase (BAAT) enhanced tumor-specific T cell responses, reduced tumor growth, and sensitized tumors to anti-programmed cell death protein 1 (anti-PD-1) immunotherapy.

Knockout of the ING5 epigenetic regulator confirms roles in stem cell maintenance and tumor suppression in vivo.

INhibitor of Growth (ING1-5) proteins are epigenetic readers that target histone acetyltransferase (HAT) or histone deacetylase (HDAC) complexes to the H3K4Me3 mark of active transcription. ING5 targets Moz/Morf and HBO1 HAT complexes that alter acetylation of H3 and H4 core histones, affecting gene expression. Previous experiments in vitro indicated that ING5 functions to maintain stem cell character in normal and in cancer stem cells.

Vitamin D as an add-on therapy to phosphodiesterase-5 inhibitor in experimental pulmonary arterial hypertension.

Severe vitamin D (vitD) deficiency is a very common condition in patients with pulmonary arterial hypertension (PAH) and it is predictor of poor prognosis. There is emerging evidence suggesting a connection between the insufficient response to phosphodiesterase-5 inhibitors (PDE5i) and vitD deficiency in patients with PAH. In the present translational study, vitD deficiency was induced in Wistar rats by exposure to vitD free diet for 5 weeks and followed by Su5416 administration and hypoxia (10%) for 3 weeks, a standard experimental model of PAH.

Therapeutic Potential of Curcumin in Diabetic Cardiomyopathy: Modulation of Pyroptosis Pathways.

Purpose: Cardiac inflammation is a basic pathological process of diabetic cardiomyopathy (DCM). Inflammatory response is closely related to pyroptosis, which is a recently identified programmed cell death type. Curcumin (CUR) is a polyphenol extracted from turmeric and has been reported to be crucial in alleviating pyroptosis in DCM.

Right Ventricle Function: The Role of the Forgotten Chamber in Mitral Valve Surgery.

Background: Referred to as the "forgotten chamber," the right ventricle (RV) is now widely acknowledged as a significant factor, particularly in certain cardiovascular pathologies. Despite historically being undervalued in comparison to the left ventricle, the RV function is deemed crucial in determining patient outcomes following mitral valve (MV) surgery. In the context of MV surgery, it is important to note that the RV is highly susceptible to dysfunction before, during, and after the surgical procedure.

Mechanism of syncope: role of ambulatory blood pressure monitoring and cardiovascular autonomic function assessment.

Background And Aims: Identifying the haemodynamic mechanism of autonomic syncope is the essential pre-requisite for effective and personalized therapy aimed at preventing recurrences. The present study assessed the diagnostic efficacy of a two-step assessment.

Methods: Multicentre prospective, cross-sectional, observational study.

SNHG16 alleviates pulmonary ischemia-reperfusion injury by promoting the warburg effect through regulating MTCH2 expression: experimental studies.

Background: Pulmonary ischemia-reperfusion injury (PIRI) is a major cause of fatality post-lung transplantation. Though some long non-coding RNAs (lncRNAs) have been studied in acute lung injury (ALI), their effects on PIRI remain undefined. The present study aims to explore the underlying mechanism of small nucleolar RNA host gene 16 (SNHG16) in PIRI.

Pre-biologic FeNO might predict anti-IL-5/IL-5Rα response to treatment in severe asthmatics.

Objective: It remains unclear whether baseline FENO levels can predict response to anti-IL5/5R biologic treatment in patients with severe asthma.

Methods: We recruited 104 patients with severe eosinophilic asthma treated with anti-IL5/anti-IL5R for at least one year who had measured FeNO values before the beginning of anti-eosinophilic treatment. Population was divided into subjects with FeNO < 25 and ≥25 ppb.