2,315 results match your criteria: "University of Texas - Rio Grande Valley[Affiliation]"

Introduction: Racial disparities in gastric cancer outcomes, including stage at diagnosis and overall survival, continue to affect Hispanic and non-Hispanic populations. This study aims to evaluate these disparities across different racial groups.

Patients And Methods: We conducted a retrospective cohort study using SEER data from 2018 to 2021, including 18,984 patients diagnosed with gastric cancer.

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Plasma Proteomic Biomarkers in Alzheimer's Disease and Cardiovascular Disease: A Longitudinal Study.

Int J Mol Sci

October 2024

Department of Biobehavioral Health & Nursing Science, College of Nursing, University of South Carolina, Columbia, 1601 Greene Street, Columbia, SC 29208, USA.

Article Synopsis
  • The study investigates the links between Alzheimer's disease (AD) and cardiovascular diseases (CVD) in older adults by analyzing plasma proteomic biomarkers in a sample of 566 participants.
  • Researchers found that 48 biomarkers were specifically associated with AD, while 46 were linked to CVD, along with 14 biomarkers showing connections for both conditions.
  • The findings suggest complex relationships between cognitive decline and cardiovascular health, indicating shared biological markers and mechanisms, with the Tamm Horsfall Protein (THP) being notably associated with all three conditions (AD, MCI, and CVD).
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: This study investigates whether there is an increased propensity to systemic conditions in patients with both age-related macular degeneration (AMD) and glaucoma in order to provide greater insight into patients' overall health and response to physiologic stress. : A large retrospective dataset review was conducted between April 2004 and June 2018, distinguishing four groups based on international classification of diseases (ICD) codes: glaucoma only, AMD only, glaucoma and AMD, and cataracts only (as an age-matched control). The systemic disease prevalence of each group was calculated, and a Friedman analysis was used to compare the prevalence between the groups.

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Quinoxaline 1,4-di--oxide Derivatives as New Antinocardial Agents.

Molecules

September 2024

Laboratorio de Biotecnología Farmacéutica, Centro de Biotecnología Genómica, Instituto Politécnico Nacional, Boulevard del Maestro, s/n, Esq. Elías Piña, Reynosa 88710, México.

Mycetoma is currently considered as a neglected tropical disease. The incidence of mycetoma is unknown but most of the worldwide cases are present in the "mycetoma belt" including countries like Mexico, India, Senegal, and others. The treatment of mycetoma depends on the etiological agent responsible for the case.

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Background: Emerging evidence suggests that endovascular thrombectomy is beneficial for treatment of childhood stroke, but the safety and effectiveness of endovascular thrombectomy has not been compared with best medical treatment. We aimed to prospectively analyse functional outcomes of endovascular thrombectomy versus best medical treatment in children with intracranial arterial occlusion stroke.

Methods: In this prospective registry study, 45 centres in 12 countries across Asia and Australia, Europe, North America, and South America reported functional outcomes for children aged between 28 days and 18 years presenting with arterial ischaemic stroke caused by a large-vessel or medium-vessel occlusion who received either endovascular thrombectomy plus best medical practice or best medical treatment alone.

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Dysregulation of T cell response in the pathogenesis of inflammatory bowel disease.

Scand J Immunol

December 2024

Center for Immunity and Immunotherapies and Program for Cell and Gene Therapy, Seattle Children's Research Institute, Seattle, Washington, USA.

Article Synopsis
  • Inflammatory bowel disease (IBD), which includes Crohn's disease and ulcerative colitis, is rising in incidence, especially in countries like India, where it has become the second highest in the world.* -
  • The disease is linked to an inappropriate immune response involving various helper T cell subsets and their cytokines, which contribute to gut inflammation and severity.* -
  • The review discusses how different T cell types, including CD8, NKT, and γδT cells, affect IBD outcomes and also explores potential therapeutic options for managing the disease.*
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Monte Carlo calculations of target fragments from helium and carbon ion interactions with water.

Z Med Phys

October 2024

Department of Radiation Physics, Atominstitut, Technische Universität Wien, Stadionallee 2, 1020 Vienna, Austria; Department of Informatics and Engineering Systems, The University of Texas Rio Grande Valley, Brownsville, TX 78520, USA; Department of Physics, East Carolina University, Greenville, NC 27858-4353, USA; Royal Military College of Canada, PO Box 17000, Station Forces, Kingston, ON K7K 7B4, Canada.

When high energetic heavy ions interact with any target, short range, high linear energy transfer (LET) target fragments are produced. These target fragments (TFs) can give a significant dose to the healthy tissue during heavy ion cancer therapy, and when cosmic radiation interacts with astronauts. This paper presents Monte Carlo simulations, using the Particle and Heavy Ion Transport code System (PHITS), to characterize target fragments from reactions of helium and carbon ions with water.

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First report of lily mottle virus naturally infecting lily () in Texas, USA.

Plant Dis

October 2024

Texas A&M University, Department of Plant Pathology & Microbiology, 2401 E. Bus. Hwy. 83, Weslaco, Texas, United States, 78596.

Article Synopsis
  • Lily plants, known for their colorful flowers and strong scent, displayed yellow mottling and mosaic symptoms in March 2024 during an outbreak in Hidalgo County, Texas.
  • Despite initial negative tests for potyvirus using commercial diagnostics, further investigations revealed a mechanically transmissible agent was present, as symptoms emerged on test plants inoculated with samples from affected lilies.
  • DNA analysis confirmed the presence of lily mottle virus (LMoV), identified through PCR amplification and sequencing, showing a significant identity match with known sequences of potyvirus.
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Article Synopsis
  • - Tumor lysis syndrome (TLS) is an emergency caused by rapid breakdown of cancer cells from treatment, leading to release of harmful substances into the bloodstream, but spontaneous TLS (STLS) can occur without clear triggers.
  • - A case study of a 74-year-old man showed STLS with complications like hypercalcemia and hyperuricemia after being diagnosed with multiple myeloma, illustrated by his symptoms and imaging findings.
  • - The report emphasizes the importance of identifying high-risk patients for STLS, recognizing potential associated factors, and highlights necessary diagnostic and treatment strategies for clinicians to prevent severe complications.
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Neurodegenerative diseases, which are characterized by progressive neuronal loss and cognitive decline, are a significant concern for the aging population. Neuroinflammation, a shared characteristic of these diseases, is implicated in their pathogenesis. This article briefly summarizes the role of magnesium, an essential mineral involved in numerous enzymatic reactions and critical for neuronal bioactivity, in the context of neuroinflammation and cognitive decline.

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Because of the crucial role of collagen fibers on soft tissue mechanics, there is great interest in techniques to incorporate them in computational models. Recently we introduced a direct fiber modeling approach for sclera based on representing the long-interwoven fibers. Our method differs from the conventional continuum approach to modeling sclera that homogenizes the fibers and describes them as statistical distributions for each element.

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  • Methadone is a medication used for pain relief and treating opioid addiction, but it can lead to serious heart issues like arrhythmias, specifically torsades de pointes (TdP), which can cause sudden death.
  • A middle-aged woman with a long history of methadone use suffered a cardiac arrest and was hospitalized, where she had multiple episodes of TdP that improved with treatment.
  • After stopping methadone, her prolonged QT interval persisted, raising suspicion for congenital long QT syndrome, and she was discharged with a heart monitor and medication for her condition.
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  • The study investigates how rare non-coding genetic variations affect complex traits, specifically focusing on human height by analyzing data from over 333,100 individuals across three large datasets.
  • Researchers found 29 significant rare variants linked to height, with impacts ranging from a decrease of 7 cm to an increase of 4.7 cm, after considering previously known variants.
  • The team also identified specific non-coding variants near key genes associated with height, demonstrating a new method for understanding the effects of rare variants in regulatory regions using whole-genome sequencing.
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  • - Reports of antimicrobial resistance have led some clinicians to use alternative wound dressings called DACC-coated dressings, claiming antimicrobial activity despite being non-medicated.
  • - A systematic review was conducted to evaluate the effectiveness of these dressings on chronic wound healing and infection control, using the GRADE framework and PICO format to structure the research.
  • - The review analyzed 748 records, ultimately including 10 relevant studies, but found the overall quality of evidence to be very low, highlighting the need for more rigorous randomized controlled trials for better clarity on DACC-coated dressings.
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Article Synopsis
  • The study looked at how tough childhood experiences, feeling discriminated against, and mental health issues like anxiety and depression are connected for LGBTQ+ adults in the U.S.
  • Researchers surveyed over 4,000 people and found that negative childhood events increased feelings of discrimination, which then led to more anxiety and depression.
  • They believe that these challenges build up over time and suggest that helping kids have better experiences can prevent mental health problems later on.*
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Purpose: To develop Mexico's first methodologically rigorous clinical practice guideline for the management of adult overweight and obesity. The target audiences are interdisciplinary healthcare professionals across healthcare systems who are the first point of contact for patients with obesity in Mexico, patients, and health system decision makers.

Recent Findings: A review of recent international obesity clinical practice guidelines and an expert consensus process identified: i) common recommendations appropriate for implementation in Mexico and ii) knowledge gaps requiring the formulation of new recommendations.

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Rocky planets may acquire a primordial atmosphere by the outgassing of volatiles from their magma ocean. The distribution of O between HO, CO, and CO in chemical equilibrium subsequently changes significantly with decreasing temperature. We consider here two chemical models: one where CH and NH are assumed to be irrevocably destroyed by photolysis and second where these molecules persist.

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Multiple-Point Metamaterial-Inspired Microwave Sensors for Early-Stage Brain Tumor Diagnosis.

Sensors (Basel)

September 2024

Department of Electrical and Computer Engineering, College of Engineering and Computer Science, The University of Texas Rio Grande Valley, Edinburg, TX 78539, USA.

Simple, instantaneous, contactless, multiple-point metamaterial-inspired microwave sensors, composed of multi-band, low-profile metamaterial-inspired antennas, were developed to detect and identify meningioma tumors, the most common primary brain tumors. Based on a typical meningioma tumor size of 5-20 mm, a higher operating frequency, where the wavelength is similar or smaller than the tumor target, is crucial. The sensors, designed for the microwave Ku band range (12-18 GHz), where the electromagnetic property values of tumors are available, were implemented in this study.

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: The lactate/pyruvate (LP) ratio has been studied as an alternative to serum lactate to determine clinical prognosis. Despite its clinical utility, there is a paucity of evidence evaluating the role of the L/P ratio in patients with sepsis. : We assessed the clinical utility of the L/P ratio in patients with sepsis.

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Background: Bioacoustic monitoring is an effective and minimally invasive method to study wildlife ecology. However, even the state-of-the-art techniques for analyzing birdsongs decrease in accuracy in the presence of extraneous signals such as anthropogenic noise and vocalizations of non-target species. Deep supervised source separation (DSSS) algorithms have been shown to effectively separate mixtures of animal vocalizations.

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Automated remote sensing has revolutionized the fields of wildlife ecology and environmental science. Yet, a cost-effective and flexible approach for large scale monitoring has not been fully developed, resulting in a limited collection of high-resolution data. Here, we describe BioSense, a low-cost and fully programmable automated sensing platform for applications in bioacoustics and environmental studies.

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Collagen fibers are the main load-bearing component of soft tissues but difficult to incorporate into models. Whilst simplified homogenization models suffice for some applications, a thorough mechanistic understanding requires accurate prediction of fiber behavior, including both detailed fiber-level strains and long-distance transmission. Our goal was to compare the performance of a continuum model of the optic nerve head (ONH) built using conventional techniques with a fiber model we recently introduced which explicitly incorporates the complex 3D organization and interaction of collagen fiber bundles [1].

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Summary: We present RokaiXplorer, an intuitive web tool designed to address the scarcity of user-friendly solutions for proteomics and phospho-proteomics data analysis and visualization. RokaiXplorer streamlines data processing, analysis, and visualization through an interactive online interface, making it accessible to researchers without specialized training in proteomics or data science. With its comprehensive suite of modules, RokaiXplorer facilitates phospho-proteomic analysis at the level of phosphosites, proteins, kinases, biological processes, and pathways.

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Objectives: Aging involves significant changes in body composition, marked by declines in muscle mass and bone mineral density alongside an increase in fat mass. Sarcopenia is characterized by low strength and muscle mass, and osteosarcopenia is the coexistence of sarcopenia and osteopenia/osteoporosis. Physiologically, there is a crosstalk between muscle and bone tissues mediated by several pathways.

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