Background: Occupational exposure to endotoxin has been associated with reduced lung cancer risk. The mechanisms underlying this association are unclear, though immunological alterations likely play a role. Farmers who perform certain tasks (eg, raising hogs) can be highly exposed to endotoxin.
View Article and Find Full Text PDFJ Expo Sci Environ Epidemiol
December 2024
Background: Despite evidence from experimental studies linking some petroleum hydrocarbons to markers of immune suppression, limited epidemiologic research exists on this topic.
Objective: The aim of this cross-sectional study was to examine associations of oil spill related chemicals (benzene, toluene, ethylbenzene, xylene, and n-hexane (BTEX-H)) and total hydrocarbons (THC) with immune-related illnesses as indicators of potential immune suppression.
Methods: Subjects comprised 8601 Deepwater Horizon (DWH) oil spill clean-up and response workers who participated in a home visit (1-3 years after the DWH spill) in the Gulf Long-term Follow-up (GuLF) Study.
Introduction: Posterior vault distraction osteogenesis (PVDO) allows significant increase in intracranial volume but is associated with complications including cerebrospinal fluid (CSF) leaks, infection and device failure. The authors outline their outcomes over 12 years and the impact of PVDO on pre-existing Chiari malformation type 1 (CM).
Method: Retrospective review of all PVDOs in our unit over a period of 12 years from 2011 to 2023.
Objective: Psychological stress has long been posited as a potential risk factor for breast cancer. We aimed to examine the relationship between occupational stress and the incidence of invasive breast cancer among postmenopausal women from the Women's Health Initiative Observational Study.
Method: Occupational stress was characterized through linkage of Standard Occupational Classification codes for participants' jobs to the Occupational Information Network.
Ten percent of children with cancer harbour a mutation in a predisposition gene. In children with the kidney cancer, Wilms tumour, the prevalence is as high as 30%. Certain predispositions are associated with defined histological and clinical features, suggesting differences in tumourigenesis.
View Article and Find Full Text PDFTraumatic brain injury (TBI) is common and costly. Although neuroimaging modalities such as resting-state functional MRI (rsfMRI) promise to differentiate injured from healthy brains and prognosticate long-term outcomes, the field suffers from heterogeneous findings. To assess whether this heterogeneity stems from variability in the TBI populations studied or the imaging methods used, and to determine whether a consensus exists in this literature, we performed the first systematic review of studies comparing rsfMRI functional connectivity (FC) in patients with TBI to matched controls for seven canonical brain networks across injury severity, age, chronicity, population type, and various imaging methods.
View Article and Find Full Text PDFScaphocephaly is the most common form of craniosynostosis, characterized by premature closure of the sagittal suture. Surgical intervention is the standard treatment, aimed at correcting cranial shape and improving the cephalic index (CI), the key metric to quantify postsurgical outcomes. Controversies exist in the literature regarding the optimal timing of surgery and the choice of surgical technique.
View Article and Find Full Text PDFPatellar tendinopathy is a highly prevalent clinical diagnosis supported by ultrasound changes. Numerous interventions are targeted at improving both symptoms and structure of dysfunctional tendons, however little is known of the diagnostic value in a changing ultrasound profile whilst patient-reported outcome measures (PROMs) determine recovery. The aim is to assess if changes in ultrasound measures are congruent with changes in Victorian Institute of Sports Assessment - Patella (VISA-P) scores, thereby supporting the use of ultrasound to assess patellar tendinopathy during symptom improvement.
View Article and Find Full Text PDFBackground: Antinuclear antibody (ANA) prevalence in the U.S. population increased from 1988 to 2012, especially in white and more educated individuals.
View Article and Find Full Text PDFObjective: The objective of this study was to investigate occupational and hobby exposures to silica, solvents, and heavy metals and the odds of having the idiopathic inflammatory myopathy (IIM) phenotypes dermatomyositis (DM) and polymyositis (PM) versus inclusion body myositis (IBM), lung disease plus fever or arthritis (LD+), and systemic autoimmune rheumatic disease-associated overlap myositis (OM).
Methods: The sample included 1,390 patients (598 with DM, 409 with PM, and 383 with IBM) aged ≥18 years from a national registry. Of these, 218 (16%) were identified with LD+, and 166 (12%) with OM.
Magnetite nanocrystals show promise for electrically small gigahertz frequency applications, which could lead to miniaturizing transformer cores and new sensing technologies. This work presents a rigorous radiofrequency characterization of these nanocrystals using vector network analyzer (VNA) ferromagnetic resonance (FMR) measurements. For the first time, two different average diameters of FeO nanocrystals are investigated (7.
View Article and Find Full Text PDFAim: Sagittal synostosis is the most common craniosynostosis. The aim of surgery is to preserve cognitive function and to correct the morphologic changes. In our unit, the authors offer strip craniectomy and microbarrel staving (SMB) performed at 16 to 22 weeks.
View Article and Find Full Text PDFFunctionally bivalent non-covalent Fab dimers (Bi-Fabs) specific for the TCR/CD3 complex promote CD3 signaling on T cells. While comparing functional responses to stimulation with Bi-Fab, F(ab')2 or mAb specific for the same CD3 epitope, we observed fratricide requiring anti-CD3 bridging of adjacent T cells. Surprisingly, anti-CD3 Bi-Fab ranked first in fratricide potency, followed by anti-CD3 F(ab')2 and anti-CD3 mAb.
View Article and Find Full Text PDFObjectives: This study assesses the needs and feasibility of conducting a produce prescription (produce Rx) program in a pediatric dental clinic setting serving low-income patients.
Methods: We conducted a cross-sectional quantitative survey examining several household characteristics including demographics, benefits received, fruit and vegetable intake patterns, food security, feasibility of a produce Rx program, and respondents' answers to questions based on social cognitive theory constructs. The survey was administered at the University of Nebraska Medical Center (UNMC) pediatric dental clinic, a pediatric dental residency clinical training site.
In recent years, the use of 2-benzylbenzimidazole opioids ('nitazenes') has increased with them becoming one of the most prominent synthetic opioid subclasses of novel psychoactive substances. With the increased prevalence, there is also a concern of the dangers to public health with the use of nitazenes due to their high potency especially with polypharmacy. To aid in the detection of such compounds, it is important that forensic toxicology laboratories maintain up-to-date compound libraries for drug screening methods and that sensitive analytical instrumentation is available to detect the low blood/plasma concentrations of more potent drugs.
View Article and Find Full Text PDFBackground: Chronic exposure to microorganisms inside homes can impact respiratory health. Few studies have used advanced sequencing methods to examine adult respiratory outcomes, especially continuous measures. We aimed to identify metagenomic profiles in house dust related to the quantitative traits of pulmonary function and airway inflammation in adults.
View Article and Find Full Text PDFBackground And Aims: There are few known risk factors for inflammatory bowel disease (IBD), an autoimmune disease characterized by chronic intestinal inflammation. Use of specific pesticides has been associated with higher incidence of IBD among pesticide applicators and their spouses, but no study has examined pesticide exposure in early life, a period where the human immune system undergoes rapid changes. We evaluated pesticide use during childhood and adolescence and incidence of IBD among US women enrolled in the Sister Study.
View Article and Find Full Text PDFThe Craniofacial Collaboration UK (CC-UK) protocol is a shared agreement across the 4 UK Highly Specialist Craniofacial Centres (HSCCs) to conduct robust neurodevelopmental and psychosocial clinical screening for children with craniosynostosis. This agreement allows for the analysis of outcomes of a homogenous sample of children with single suture craniosynostosis (SSC), a frequent limitation of the existing research. The current study is the latest analysis of CC-UK data on behavioral, cognitive, and psychosocial outcomes.
View Article and Find Full Text PDFDetermining the viability of a new drug molecule is a time- and resource-intensive task that makes computer-aided assessments a vital approach to rapid drug discovery. Here we develop a machine learning algorithm, iMiner, that generates novel inhibitor molecules for target proteins by combining deep reinforcement learning with real-time 3D molecular docking using AutoDock Vina, thereby simultaneously creating chemical novelty while constraining molecules for shape and molecular compatibility with target active sites. Moreover, through the use of various types of reward functions, we have introduced novelty in generative tasks for new molecules such as chemical similarity to a target ligand, molecules grown from known protein bound fragments, and creation of molecules that enforce interactions with target residues in the protein active site.
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