26,812 results match your criteria: "Tulane University; sgrayson@tulane.edu.[Affiliation]"
Nat Immunol
January 2025
Division of Gastroenterology, Hepatology and Nutrition, Boston Children's Hospital, Boston, MA, USA.
Viral variant and host vaccination status impact infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), yet how these factors shift cellular responses in the human nasal mucosa remains uncharacterized. We performed single-cell RNA sequencing (scRNA-seq) on nasopharyngeal swabs from vaccinated and unvaccinated adults with acute Delta and Omicron SARS-CoV-2 infections and integrated with data from acute infections with ancestral SARS-CoV-2. Patients with Delta and Omicron exhibited greater similarity in nasal cell composition driven by myeloid, T cell and SARS-CoV-2 cell subsets, which was distinct from that of ancestral cases.
View Article and Find Full Text PDFNeurosurg Rev
January 2025
Department of Neurosurgery, Clinical Neuroscience Research Center, Tulane University School of Medicine, New Orleans, LA, USA.
The purpose of the current study was to determine the angulation of the dural venous sinuses in soft tissue, to evaluate differences between types of tissue, and to discuss the potential influence of these angulations on intracranial venous hemodynamics and related pathologies. Angulations formed in different segments of the transverse, sigmoid, and superior sagittal sinuses were measured in 13 adult human cadaveric heads (26 sides). After the soft tissues were removed, measurements were also taken from the underlying bone.
View Article and Find Full Text PDFJ Community Health
January 2025
Department of Geography and Geographic Information Science, University of Illinois at Urbana-Champaign, Urbana, IL, USA.
Crime is a public health issue that disproportionately affects racially-marginalized populations. Studies have reported that food stores (e.g.
View Article and Find Full Text PDFBMJ Open
January 2025
Population Council, Accra, Ghana.
Objective: This paper examines the outcomes of the public sector capacity strengthening (PSCS) approach and how they contribute to the promotion of maternal, newborn, and child health, and nutrition (MNCH+N), family planning (FP) and malaria prevention-related outcomes.
Design: The qualitative study implemented from July to August of 2022 used the outcome harvesting methodology and key informant interviews to elicit information including most significant change (MSC) stories to evaluate project outcomes over 5 years (2017-2022).
Setting: The study was conducted in Sokoto, Kebbi, Nasarawa, Bauchi and Ebonyi states of Nigeria.
J Neurosurg Case Lessons
January 2025
Department of Neurosurgery, University of California, Irvine, Orange, California.
Background: Intravascular injection of liquid adhesive hemostats is a rare but serious complication that can result in cerebral thromboembolism.
Observations: A 64-year-old female underwent orbitozygomatic craniotomy for posterior communicating artery aneurysm clipping with the routine use of a flowable hemostatic agent during extradural dissection. After placement of the aneurysm clip, flow was confirmed through the parent vessel and nearby branches.
Front Med
January 2025
International Center for Aging and Cancer (ICAC), Hainan Medical University, Haikou, 571199, China.
Adenosine, a critical molecule regulating cellular function both inside and outside cells, is controlled by two human adenosine deaminases: ADA1 and ADA2. While ADA1 primarily resides in the cytoplasm, ADA2 can be transported to lysosomes within cells or secreted outside the cell. Patients with ADA2 deficiency (DADA2) often suffer from systemic vasculitis due to elevated levels of TNF-α in their blood.
View Article and Find Full Text PDFJ Thorac Dis
December 2024
Department of Thoracic Surgery, Ningbo Medical Center Lihuili Hospital, Ningbo University, Ningbo, China.
Background: Video-assisted thoracoscopic surgery (VATS) is more effective for diagnosing and treating solitary pulmonary nodules (SPNs). It is sometimes difficult to localize through use of minimally invasive techniques. We evaluated the feasibility, effectiveness, and safety of a novel localization method for SPNs.
View Article and Find Full Text PDFJ Pediatr Surg
January 2025
Division of Pediatric Surgery, Department of Surgery, Stanford University, Palo Alto CA, USA. Electronic address:
Background: We aimed to analyze the effect of age and weight on 30-day outcomes of single-stage endorectal pull tthrough (ERPT) procedures for Hirschsprung's Disease (HD) using the National Surgical Quality Improvement Program-Pediatric (NSQIP-P) database to identify an optimal time for surgery.
Methods: We queried NSQIP-P for children <2 years with HD who underwent ERPT between 2016-2021 and did not have a preoperative stoma. Patients were stratified by age (<3 months, 3-6 months and >6 months) and weight (<4 kg, 4-8 kg, and >8 kg) at the time of surgery.
Neuroimage
January 2025
Pennington Biomedical Research Center, 6400 Perkins Road, Baton Rouge, LA, 70808, USA.
Introduction: Compartment model analysis of diffusion MRI data provides unique information on the microstructural properties of white matter. However, studies relating compartment model microstructural measures to longitudinal cardiometabolic health data are rare.
Methods: 130 cognitively healthy participants in the Bogalusa Heart Study completed diffusion MRI scans.
Arthroscopy
January 2025
Department of Orthopaedic Surgery and Rehabilitation, Loyola University Medical Center. Electronic address:
Purpose: The purpose of this study was to evaluate sex-based disparities in outcomes following surgery for anterior shoulder instability and to assess the quality of the current literature on this topic.
Methods: Following PRISMA guidelines, a June 2023 database search (PubMed, Web of Science, Embase, Cinahl) identified level I-III clinical studies on anterior shoulder instability (Jan 2003-May 2023). Eligible studies included male and female outcomes after anterior shoulder stabilization.
J Clin Neurosci
January 2025
Ochsner Medical Center, Department of Neurosurgery, Jefferson, LA, United States.
Background: Patients with nontraumatic subdural hemorrhage often require immediate surgical intervention that may not be available at community hospitals and are therefore transferred to tertiary care centers. This study aims to evaluate the effects of interhospital transfer (IHT) on postoperative complications and outcomes following ntSDH.
Methods: The National Surgical Quality Improvement Program (NSQIP) database was queried for patients treated for ntSDH from January 2014 to January 2020.
Sci Total Environ
February 2025
Department of Environmental Health Sciences, School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, United States of America; Organization for Public Health and Environment Management, Lalitpur, Nepal; Water & Energy Sustainable Technology (WEST) Center, University of Arizona, Tucson, AZ, United States of America; Center of Research Excellence in Wastewater based Epidemiology, Morgan State, Baltimore, MD, United States of America. Electronic address:
Given their abundance in human fecal samples, crAssphage and Pepper Mild Mottle Virus (PMMoV) are proposed as indicators for human enteric viruses. This study measured crAssphage and PMMoV in raw sewage samples (n = 24) between June 2014 and May 2015 from two wastewater treatment facilities in southern Arizona, USA. Both crAssphage and PMMoV were detected in nearly 100% of samples.
View Article and Find Full Text PDFNat Commun
January 2025
Biostatistics Research Branch, National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.
Neutralizing antibody titer has been a surrogate endpoint for guiding COVID-19 vaccine approval and use, although the pandemic's evolution and the introduction of variant-adapted vaccine boosters raise questions as to this surrogate's contemporary performance. For 985 recipients of an mRNA second bivalent or monovalent booster containing various Spike inserts [Prototype (Ancestral), Beta, Delta, and/or Omicron BA.1 or BA.
View Article and Find Full Text PDFJAAD Case Rep
November 2024
Department of Dermatology, Roswell Park Comprehensive Cancer Center, Buffalo, New York.
ACS Appl Energy Mater
January 2025
Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118-5636, United States.
Two-dimensional (2D) transition metal dichalcogenides (TMDCs) such as MoS and WSe are excellent candidates for photovoltaic (PV) applications. Here, we present the modeling, fabrication, and characterization of large-area CVD-grown MoS-based flexible PV on an off-the-shelf, 3 μm-thick flexible colorless polyimide with polyimide encapsulation designed for space structures. The devices are characterized under 1 sun AM0 illumination and show a of 0.
View Article and Find Full Text PDFJACC Case Rep
January 2025
Department of Cardiology, Lankenau Medical Center, Wynnewood, Pennsylvania, USA.
Cardiac myxomas are typically treated surgically; however, the operative mortality and recurrence rates are not negligible. In the current report we describe a case of repeat percutaneous aspiration of a right atrial myxoma. The report supports feasibility of the procedure, provides the asymptomatic timeframe after debulking, and the regrowth rate.
View Article and Find Full Text PDFKidney Med
November 2024
Department of Medicine, University of Illinois Chicago, Chicago, IL.
Rationale & Objective: In the general population, neighborhood socioeconomic status (SES) has been found to be associated with cardiovascular risk, but this relationship has not been well studied among patients with chronic kidney disease (CKD). This study seeked to evaluate the association between neighborhood SES and cardiovascular outcomes in a CKD cohort.
Study Design: Multicenter prospective cohort.
Gland Surg
December 2024
Division of Endocrine and Oncologic Surgery, Department of Surgery, School of Medicine, Tulane University, New Orleans, LA, USA.
Background: With rising well-differentiated thyroid cancer (WDTC) incidence, the appropriate treatment choice remains controversial for T1 tumors <2 cm. This study analyzed differences in surgery refusal and survival outcomes between T1a (<1 cm) and T1b (1-2 cm) WDTC, examining the demographic and clinical characteristics associated with patients who decide to either undergo or refuse recommended surgery.
Methods: We studied 81,664 T1N0M0 WDTC patients in the Surveillance, Epidemiology, and End Results (SEER) registry [2000-2019].
Transl Med Commun
January 2024
Department of Anatomy, Physiology, & Cell Biology, School of Veterinary Medicine, and California National Primate Research Center, University of California, Davis, County Road 98 & Hutchison Drive, Davis, CA, USA.
Background: Late-stage human immunodeficiency virus (HIV) infection is typically characterized by low CD4 + T-cell count. We previously showed that profound changes in the monocyte turnover (MTO) rate in rhesus macaques infected by the simian immunodeficiency virus (SIV) outperforms declining CD4 + T-cell counts in predicting rapid health decline associated with progression to terminal disease. High MTO is associated with increased tissue macrophage death.
View Article and Find Full Text PDFSurg Radiol Anat
January 2025
Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA.
Purpose: The aim of this study is to determine the exact locations of vascular pedicles that supply the fibularis longus and brevis, to identify the morphometric features of those vessels in the lateral compartment of the leg, and to indicate the branching points of the pedicles from the main arteries.
Methods: The popliteal arteries of 40 lower limbs from 20 adult cadavers (12 males, 8 females) were bilaterally injected with colored latex. After dissection, the branches of the arteries were identified and counted.
PLoS One
January 2025
Sports Medicine Institute, Hospital for Special Surgery, New York, New York, United States of America.
The COVID-19 pandemic significantly affected elite athletes, leading to increased mental health issues such as stress, anxiety, and depression. Sex differences in mental health may exist among athletes during the COVID-19 crisis. This study aimed to perform a systematic review and meta-analysis to examine sex differences in mental health symptoms among elite athletes during the COVID-19 pandemic.
View Article and Find Full Text PDFACS Nano
January 2025
Department of Physics and Engineering Physics, Tulane University, New Orleans, Louisiana 70118, United States.
Herein, we report the synthesis of two-dimensional TaSeC (2D-TaSeC) nanosheets using electrochemical lithiation in multilayer TaSeC followed by sonication in deionized water. Multilayer TaSeC was obtained via solid-state synthesis of FeTaSeC followed by chemical etching of Fe. 2D-TaSeC exhibited promising electrocatalytic activity for the hydrogen evolution reaction from water compared to multilayer TaSeC and 2D-TaSe.
View Article and Find Full Text PDFJ Plast Reconstr Aesthet Surg
December 2024
Department of Surgery, Division of Plastic and Reconstructive Surgery, Stanford University, Stanford, CA, United States.
Background: Poland syndrome (PS) is a congenital abnormality defined as aplasia or hypoplasia of the unilateral pectoralis muscle and breast tissue that may be accompanied by limb or thoracic deformities. Reconstruction of deformities associated with PS is challenging owing to the spectrum of differences. We aimed to evaluate the trends in surgical management of chest and breast anatomical anomalies associated with PS.
View Article and Find Full Text PDFJ Am Heart Assoc
January 2025
Department of Epidemiology, School of Public Health, Jiangsu Key Laboratory of Preventive and Translational Medicine for Major Chronic Noncommunicable Diseases, MOE Key Laboratory of Geriatric Diseases and Immunology Suzhou Medical College of Soochow University Suzhou, Jiangsu Province China.
Background: Polyamines have been suggested to play pivotal roles in ischemic stroke and neurodegenerative disorders, but the associations of plasma polyamines with poststroke cognitive impairment (PSCI) remain unclear. We aimed to prospectively investigate the associations of plasma putrescine, spermidine, and spermine with PSCI among patients with ischemic stroke in a multicenter cohort study.
Methods And Results: We measured plasma polyamine levels at baseline among 619 patients with ischemic stroke from a preplanned ancillary study of CATIS (China Antihypertensive Trial in Acute Ischemic Stroke).
Nucleic Acids Res
January 2025
Tulane Center for Biomedical Informatics and Genomics, Deming Department of Medicine, School of Medicine, Tulane University, 1440 Canal Street, Downtown, New Orleans, LA 70112, USA.
Bone is a multifaceted tissue requiring orchestrated interplays of diverse cells within specialized microenvironments. Although significant progress has been made in understanding cellular and molecular mechanisms of component cells of bone, revealing their spatial organization and interactions in native bone tissue microenvironment is crucial for advancing precision medicine, as they govern fundamental signaling pathways and functional dependencies among various bone cells. In this study, we present the first integrative high-resolution map of human bone and bone marrow, using spatial and single-cell transcriptomics profiling from femoral tissue.
View Article and Find Full Text PDF