5,144,036 results match your criteria: "United States; LSU Health Science Center[Affiliation]"

A case of disseminated blastomycosis in New England.

IDCases

December 2024

University of Vermont, Department of Biomedical and Health Sciences, Burlington, VT, United States.

infections are classified as dimorphic fungal infections commonly seen geographically throughout the Mississippi and Ohio River Valleys, St. Laurence Seaways, as well as the Canadian providences of Ontario Manitoba, and Saskatchewan. Although primarily endemic in the Midwestern United States, there has been a rise in cases throughout New England.

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Introduction: Probiotics are a promising intervention for modulating the microbiome and the immune system, promoting health benefits in cattle. While studies have characterized the calf lung bacterial profile with and without oral probiotics, simultaneous probiotic effects on the bacterial populations of multiple sites along the respiratory tract have not been characterized.

Methods: This study utilized the same pre-weaning diary calf group from our previous studies to characterize the bacterial populations present in the nostril and tonsil across control and treatment groups and nine sampling time points.

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Introduction: Non-typhoidal (NTS) are leading bacterial agents of foodborne illnesses and a global concern for human health. While there are over 2,600 different serovars of NTS, epidemiological data suggests that certain serovars are better at causing disease than others, resulting in the majority of reported human illnesses in the United States. To improve food safety, there is a need to rapidly detect these more pathogenic serovars to facilitate their removal from the food supply.

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Introduction: Polycystic ovary syndrome (PCOS) is a common gynecological condition affecting individuals of reproductive age and is linked to the gut microbiome. This study aimed to identify the hotspots and research trends within the domain of the gut microbiome in PCOS through bibliometric analysis.

Methods: Utilizing bibliometric techniques, we examined the literature on the gut microbiome in PCOS from the Web of Science Core Collection spanning the period from 2012 to 2023.

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Metagenomic sequencing is increasingly being employed to understand the assemblage and dynamics of the oyster microbiome. Specimen collection and processing steps can impact the resultant microbiome composition and introduce bias. To investigate this systematically, a total of 54 farmed oysters were collected from Chesapeake Bay between May and September 2019.

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Background: Leptospirosis is an acute zoonotic disease caused by pathogenic , primarily transmitted to humans through contact with water or soil contaminated by the bacteria. It is globally distributed, with heightened prevalence in tropical regions. While prior studies have examined the pathophysiology, epidemiology, and risk factors of leptospirosis, few have explored trends and emerging topics in the field.

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Pyrazinamide (PZA) is a key first-line antituberculosis drug that plays an important role in eradicating persister (TB) bacilli and shortening the duration of tuberculosis treatment. However, PZA-resistance is on the rise, particularly among persons with multidrug-resistant (MDR) tuberculosis. This nationwide study was conducted to explore the prevalence of mutations conferring PZA resistance, catalogue mutation diversity, investigate the associations of PZA resistance with specific lineages, examine co-resistance to 13 first- and second-line drugs, and evaluate the diagnostic accuracy of sequencing A and D genes for predicting PZA resistance.

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The stability of proteins and small peptides depends on the way they interact with the surrounding water molecules. For small peptides, such as -helical polyalanine (polyALA), water molecules can weaken the intramolecular hydrogen-bonds (HB) formed between the peptide backbone O and NH groups which are responsible for the -helix structure. Here, we perform molecular dynamics simulations to study the hydration of polyALA, polyserine (polySER), and other homopolymer peptide -helices at different temperatures and pressures.

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Background: Small Intestinal Bacterial Overgrowth (SIBO) has been implicated in the pathophysiology of chronic liver disease (CLD). We conducted a systematic review and meta-analysis to assess and compare the prevalence of SIBO among CLD patients (with and without with complications of end stage liver disease) and healthy controls.

Methods: Electronic databases were searched from inception up to July-2024 for case-control studies reporting SIBO in CLD.

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Large Language Models in Healthcare: A Bibliometric Analysis and Examination of Research Trends.

J Multidiscip Healthc

January 2025

Department of Computer Engineering, Afyon Kocatepe University, Faculty of Engineering, Afyonkarahisar, Turkey.

Background: The integration of large language models (LLMs) in healthcare has generated significant interest due to their potential to improve diagnostic accuracy, personalization of treatment, and patient care efficiency.

Objective: This study aims to conduct a comprehensive bibliometric analysis to identify current research trends, main themes and future directions regarding applications in the healthcare sector.

Methods: A systematic scan of publications until 08.

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Background: Management of patients with food allergies is complex, especially in cases of patients with multiple and potentially severe food allergies. Although international guidelines exist for food allergy management, the role of the allergist in the decision-making process is key.

Objective: Our aim was to investigate the management patterns and educational needs of practicing allergists treating patients with food allergies.

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Purpose: The purpose of this study was to examine the effects of a 7-week supplemental BFR training intervention on both acute and chronic alterations in salivary testosterone (sTes) and cortisol (sCort) in collegiate American football players.

Methods: 58 males were divided into 4 groups: 3 completed an upper- and lower-body split resistance training routine (H, H/S, H/S/R; H = Heavy, S = Supplemental, R = BFR), with H/S/R performing end-of-session practical BFR training, and H/S serving as the volume-matched non-BFR group. The final group (M/S/R) completed modified resistance training programming with the same practical BFR protocol as H/S/R.

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Introduction: Organ donation is the transplantation of tissues or organs from one person to another, and it is considered a method to save lives when a patient has end-stage organ failure. Community willingness to engage in organ donation programs is imperative in promoting successful organ transplantation.

Methods: This research employed a cross-sectional study design involving 420 adult participants from the Qassim Region, Saudi Arabia.

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Leveraging AI to improve disease screening among American Indians: insights from the Strong Heart Study.

Exp Biol Med (Maywood)

January 2025

National Center for Toxicological Research, Division of Bioinformatics and Biostatistics, U.S. Food and Drug Administration, Jefferson, AR, United States.

Screening tests for disease have their performance measured through sensitivity and specificity, which inform how well the test can discriminate between those with and without the condition. Typically, high values for sensitivity and specificity are desired. These two measures of performance are unaffected by the outcome prevalence of the disease in the population.

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Neurodevelopmental disorders (NDDs) affect 4.7% of the global population and are associated with delays in brain development and a spectrum of impairments that can lead to lifelong disability and even mortality. Identification of biomarkers for accurate diagnosis and medications for effective treatment are lacking, in part due to the historical use of preclinical model systems that do not translate well to the clinic for neurological disorders, such as rodents and heterologous cell lines.

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Introduction: The vergence neural system was stimulated to dissect the afferent and efferent components of symmetrical vergence eye movement step responses. The hypothesis tested was whether the afferent regions of interest would differ from the efferent regions to serve as comparative data for future clinical patient population studies.

Methods: Thirty binocularly normal participants participated in an oculomotor symmetrical vergence step block task within a functional MRI experiment compared to a similar sensory task where the participants did not elicit vergence eye movements.

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Effects of sex, mating status, and genetic background on circadian behavior in .

Front Neurosci

January 2025

Department of Neuroscience, Farber Institute for Neurosciences, Synaptic Biology Center, Thomas Jefferson University, Philadelphia, PA, United States.

Circadian rhythms play a crucial role in regulating behavior, physiology, and health. Sexual dimorphism, a widespread phenomenon across species, influences circadian behaviors. Additionally, post-mating physiological changes in females are known to modulate various behaviors, yet their effects on circadian rhythms remain underexplored.

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All European Union (EU) Member States (MSs), along with Iceland, Norway, Switzerland and the United Kingdom (Northern Ireland), conduct surveillance for avian influenza (AI) in poultry and wild birds. EFSA, upon mandate of the European Commission, compiles and analyses this data in an annual report. This summary highlights findings from the 2023 surveillance activities.

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Interferon (IFN)-γ is a central regulator of cell-mediated immunity in human health and disease, but reduced expression of the target receptors impairs signaling activity and leads to immunotherapy resistance. Although intracellular expression of IFN-γ restores the signaling and downstream functions, we lack the tools to activate the gene instead of cell surface receptors. This paper introduces the design and characterization of an artificial transcription factor (ATF) protein that recognizes the gene with six zinc finger domains, which are dovetailed to a VP64 signaling domain that promotes gene transcription and translation.

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Heat stress (HS) poses a significant challenge to the United States swine industry. Sows and their piglets are particularly vulnerable to HS, as the periparturient phase is characterized by heightened metabolism and increased oxidative stress and inflammation. The study examined the effects of using conductive electronic cooling pads (ECP) and dietary supplementation with 4% Moringa (M) leaf powder on controlling oxidative stress and inflammation caused by HS in sows and their piglets.

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Ensuring the stability of electrocatalysts is paramount to the success of electrochemical energy conversion devices. Degradation is a fundamental process involving the release of positively charged metal ions into the electric double layer (EDL) and their subsequent diffusion into the bulk electrolyte. However, despite its vital importance in achieving prolonged electrocatalysis, the underlying causality of catalyst dissolution with the EDL structure remains largely unknown.

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Background: Population size estimation (PSE) for key populations is needed to inform HIV programming and policy.

Objective: This study aimed to examine the utility of applying a recently proposed method using Google Trend (GT) internet search data to generate PSE (Google Trends Population Size Estimate [GTPSE]) for men who have sex with men (MSM) in 54 countries in Africa, Asia, the Americas, and Europe.

Methods: We examined GT relative search volumes (representing the relative internet search frequency of specific search terms) for "porn" and, as a comparator term, "gay porn" for the year 2020.

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Objectives: From January 2020 to the end of August 2020, preliminary research gathered data about the need for and the feasibility of an ADEA-led joint Climate Study of dental schools and allied dental programs in the United States and Canada. Informed by these findings, the first ever ADEA-led joint Climate Study took place in 2022. The objectives of this manuscript were to describe the timeline of this climate study and provide information about its methodology, specifically about (a) who participated in this research, (b) what was assessed, (c) how the study was conducted, and (d) how the results were communicated.

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Gradient Design with Low-tortuosity Overcoming Kinetic Limitations in High-Loading Solid-State Cathodes.

Angew Chem Int Ed Engl

January 2025

UT Austin: The University of Texas at Austin, Materials Science and Engineering, 1 University Station C2200, 78712, Austin, UNITED STATES OF AMERICA.

The extensive commercialization of practical solid-state batteries (SSBs) necessitates the development of high-loading solid-state cathodes with fast charging capability. However, electrochemical kinetics are severely delayed in thick cathodes due to tortuous ion transport pathways and slow solid-solid ion diffusion, which limit the achievable capacity of SSBs at high current densities. In this work, we propose a conductivity gradient cathode with low-tortuosity to enable facile ion transport and counterbalance ion concentration gradient, thereby overcoming the kinetic limitations and achieving fast charging capabilities in thick cathodes.

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