Background: The impacts of environmental health risk factors, including temperature, vary across urban and rural areas. Application of different metrics of rurality and urbanicity can yield different risk characterizations. We aimed to identify, describe, and quantify how urban/rural metrics are used in epidemiologic studies of ambient temperature and health across the United States (US).
View Article and Find Full Text PDFIntroduction: Claudins are essential for tight junctions, maintaining cell adhesion, regulating intercellular molecule movement, and preserving cellular polarity. Altered claudin expression can lead to dysfunctions, potentially contributing to oncogenesis in epithelial cancers. The role of CLDN18.
View Article and Find Full Text PDFWorld J Clin Cases
May 2025
Background: The numbers of mandibular first premolar roots and root canals vary, and the incidence of three roots and three canals is 0.09%.
Case Summary: In this article, we review the root and root canal conditions for the mandibular first premolar and report the case of a mandibular left first premolar with three roots and three canals in a male patient, with suggestions for clinical diagnosis and treatment.
Background: Emerging evidence identifies ambient particulate matter (PM) with an aerodynamic diameter () as a modifiable risk factor for dementia, but the potential health benefits gained by enacting regulations that reduce remain unclear.
Objectives: Our aim was to estimate the total effects of hypothetical ambient interventions starting in late life on the risk of dementia in a cohort using the parametric g-formula.
Methods: We used data from 291,495 participants in the UK Biobank cohort who were free of dementia and y of age at baseline (2010).
Introduction: Neoadjuvant concurrent chemoradiotherapy (CCRT) is routinely used before surgery in patients with locally advanced rectal cancer to reduce tumor size and decrease the risk of local recurrence. However, the disease-specific survival has not improved in most cases due to distant metastases. In selected individuals exhibiting a clinical complete response, non-operative management may be allowed; however, those who presented no or little response tend to have an inferior prognosis.
View Article and Find Full Text PDFPatients with chronic hepatitis B patients (CHB) with low-level viremia (LLV) are not necessarily at low risk of developing hepatocellular carcinoma (HCC). The question of whether CHB patients with LLV require immediate antiviral agent (AVT) or long-term AVT remains controversial. The study aims to investigate the risk of HCC development and the risk factors in CHB patients with LLV and construct a nomogram model predicting the risk of HCC.
View Article and Find Full Text PDFWe aimed to analyze the different patient characteristics and treatment outcomes (such as sustained viral response, SVR) between incarcerated patients with chronic hepatitis C (CHC) and those with CHC from the outpatient department through an on-site integrated screening and microelimination program in a detection center. In this retrospective study, which ran from May 2021 to April 2022, we included 32 consenting male prisoners aged at least 20 years who were willing to participate in the study. Members of the control group (who received DAAs in an outpatient setting) were selected from the treated CHC patient databank of individuals who received DAA regimens at Chi Mei Hospital between January 2021 and December 2022.
View Article and Find Full Text PDFObjective: The roles of MTFR1 in the drug resistance of lung adenocarcinoma (LAC) to cisplatin remain unexplored. In this study, the expression, clinical values and mechanisms of MTFR1 were explored, and the relationship between MTFR1 expression and immune microenvironment was investigated in LAC using bioinformatics analysis, cell experiments, and meta-analysis.
Methods: MTFR1 expression and clinical values, and the relationship between MTFR1 expression and immunity were explored, through bioinformatics analysis.
Ball-and-socket designs of cervical total disc replacement (TDR) have been popular in recent years despite the disadvantages of polyethylene wear, heterotrophic ossification, increased facet contact force, and implant subsidence. In this study, a non-articulating, additively manufactured hybrid TDR with an ultra-high molecular weight polyethylene core and polycarbonate urethane (PCU) fiber jacket, was designed to mimic the motion of normal discs. A finite element (FE) study was conducted to optimize the lattice structure and assess the biomechanical performance of this new generation TDR with an intact disc and a commercial ball-and-socket BagueraC TDR (Spineart SA, Geneva, Switzerland) on an intact C5-6 cervical spinal model.
View Article and Find Full Text PDFIn this era of rapid information exchange in public networks, there is a risk to information security. Data hiding is an important technique for privacy protection. Image interpolation is an important data-hiding technique in image processing.
View Article and Find Full Text PDFBackground: Campylobacter-related infectious gastroenteritis is common and usually self-limited. Intestinal perforation is a rare complication of the infectious colitis caused by Campylobacter, and only handful of cases have been reported. This is the first published case report of pediatric Campylobacter intestinal perforation located in the sigmoid colon.
View Article and Find Full Text PDFBackground: Kaposi sarcoma is a vascular tumor highly related to human herpesvirus-8 and Kaposi sarcoma-associated herpesvirus. Kaposi sarcoma usually manifests as skin or mucosal lesions; involvement in visceral organs such as the gastrointestinal tract is rare. Kaposi sarcoma can occur in immunocompromised patients receiving immunosuppressive therapy, in which case it is known as iatrogenic Kaposi sarcoma or drug-induced Kaposi sarcoma.
View Article and Find Full Text PDFPurpose: For locally advanced rectal cancer, neoadjuvant concurrent chemoradiotherapy (CCRT) allows tumor downstaging and makes curative radical proctectomy possible. However, we lack a genetic biomarker to predict cancer prognosis or treatment response. We investigated the association between ubiquitin D (UBD) expression and clinical outcomes in rectal cancer patients receiving CCRT.
View Article and Find Full Text PDFACS Appl Mater Interfaces
August 2022
Piezoelectric materials have demonstrated applicability in clean energy production and environmental wastewater remediation through their ability to initiate a number of catalytic reactions. In this study, we used a conventional sol-gel method to synthesize lead-free rhombohedral 3 bismuth sodium titanate (BNT) particles of various sizes. When used as a piezocatalyst to generate H through water splitting, the BNT samples provided high production rates (up to 506.
View Article and Find Full Text PDFMost previous studies on the acute health effects of ozone are limited to urban areas, largely due to the paucity of air pollutant measurements in rural areas. We here estimated the county-specific daily maximum 8-h average ozone concentration in Jiangsu Province, China during 2015-2018, using a recently developed spatiotemporal machine learning model at a spatial resolution of 0.1° × 0.
View Article and Find Full Text PDFIn this study, we observed the enhanced photocatalytic activity of a few-layer WS/ZnO (WZ) heterostructure toward dye degradation and H production. The few-layer WS acted as a co-catalyst that separated photogenerated electron/hole pairs and provided active sites for reactions, leading to the rate of photocatalytic H production of WZ being 35% greater than that over the bare ZnO nanoparticles. Moreover, vortex-stirring accelerated the mass-transfer of the reactants, leading to the efficiency of dye photodegradation being 3 times higher than that obtained without high-speed stirring.
View Article and Find Full Text PDFAnn Transl Med
July 2021
Background: Targeted programmed cell death protein 1 (PD-1) therapy could effectively improve the long-term prognosis of patients with non-small cell lung cancer (NSCLC). The role of PD-1 targets in the progression of NSCLC has not been fully revealed.
Methods: The differentially expressed genes (DEGs) in patients' blood after NSCLC treatment with PD-1 blocker nivolumab in the GSE141479 dataset were analyzed by GEO2R and identified in the TCGA database.
In theory, high key and high plaintext sensitivities are a must for a cryptosystem to resist the chosen/known plaintext and the differential attacks. High plaintext sensitivity can be achieved by ensuring that each encrypted result is plaintext-dependent. In this work, we make detailed cryptanalysis on a published chaotic map-based image encryption system, where the encryption process is plaintext Image dependent.
View Article and Find Full Text PDFAmbient particulate matter is one of the main risk factors of chronic obstructive pulmonary disease (COPD) in developing countries. However, the studies were scant in China concerning the health effects of the fine particulate matter (PM; particulate matter ≤ 2.5 μm in diameter) on hospital visits for COPD.
View Article and Find Full Text PDFExtensive epidural fibrosis is a common complication following spinal surgery and can cause pain and limited mobility. In the present study, a novel biomimetic approach was developed to prevent postsurgical adhesion of the dura. We aimed to reconstruct epidural fat, which prevents scar-tissue adhesion, through the development of an injectable decellularized adipose matrix (DAM)-containing hyaluronic acid (HA) hydrogel loaded with adipose stromal cells (ASCs).
View Article and Find Full Text PDFThis study examined gender differences in the associations between perceived environmental factors and walking for recreation in Taiwanese adults. In 2014, a telephone-based, cross-sectional survey targeting Taiwanese adults (20-64 years) was conducted. Data on nine items about environmental perception, time spent in walking for recreation, and socio-demographic variables were obtained from 1,065 adults using the International Physical Activity Questionnaire-long version and its environmental module.
View Article and Find Full Text PDFThe formation of fibrous tissue is part of the natural healing response following a laminectomy. Severe scar tissue adhesion, known as epidural fibrosis, is a common cause of failed back surgery syndrome. In this study, by combining the advantages of drug treatment with a physical barrier, an ibuprofen-conjugated crosslinkable polygalacturonic acid and hyaluronic acid hydrogel was developed for epidural fibrosis prevention.
View Article and Find Full Text PDFBackground: Neoadjuvant concurrent chemoradiotherapy (CCRT) followed by surgery is the mainstay of treatment for locally advanced rectal cancer. Several heparin-binding associated proteins have been reported to play a critical role in cancer progression. However, the clinical relevancies of such proteins and their associations with CCRT response in rectal cancer have not yet to be fully elucidated.
View Article and Find Full Text PDF