2,111 results match your criteria: "University of Beira Interior.[Affiliation]"

Comparative efficacy of essential oils against Cutibacterium acnes: Effect upon strains from phylotypes with different virulence patterns.

Microb Pathog

November 2024

Health Sciences Research Centre (CICS-UBI), University of Beira Interior, Av. Infante D. Henrique, 6200-506, Covilhã, Portugal; Faculty of Health Sciences, University of Beira Interior, Av. Infante D. Henrique, 6200-506, Covilhã, Portugal; Labfit-Health Products Research and Development Lda, UBImedical, Estrada Nacional 506, 6200-284, Covilhã, Portugal. Electronic address:

Objectives: Despite being a commensal of human skin, Cutibacterium acnes plays an important role in the pathogenesis of Acne vulgaris, with the loss of bacterial phylotype diversity being related to disease progression. This study evaluated differences in the virulence profile of C. acnes strains from different phylotypes and investigated the possible phylotype-selective efficacy of essential oils (EOs) from Thymus x citriodorus (TC), Thymus mastichina, and Cistus ladanifer compared to Melaleuca alternifolia (tea tree), focusing on both planktonic and biofilm growth forms, the latter being related with pathogenesis and treatment resistance.

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Mechanical Behaviour of Green Epoxy Composites Reinforced with Sheep and Dog Wool from Serra Da Estrela.

Polymers (Basel)

November 2024

Fiber Materials and Environmental Technologies Research Unit (FibEnTech-UBI), University of Beira Interior, Rua Marquês D'Ávila e Bolama, 6201-001 Covilhã, Portugal.

Environmental awareness has led industries and consumers to replace products derived from oil resources with products derived from natural sources. In the case of the composite materials industry, the replacement of synthetic fibres with natural fibres has increased in recent years. To study the influence that different types of natural fibres and different textile manufacturing techniques have on the mechanical properties of composites, bio-based epoxy matrix composites reinforced with different natural animal fibres were produced, some reinforced with sheep's wool and others with dog wool, which were later subjected to bending and tensile tests.

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Development and Characterization of Sodium Bicarbonate-Based Gel for Cytolytic Vaginosis.

Pharmaceutics

November 2024

CICS-UBI-Health Sciences Research Center, University of Beira Interior, Av. Infante D. Henrique, 6200-358 Covilhã, Portugal.

Cytolytic vaginosis or, classically, Doderlein's cytolysis is characterized by significant growth of species of the genus, which leads to high amounts of lactic acid in the vaginal environment. has been proposed as a key pathogen in this clinical condition. The symptomatology of cytolytic vaginosis is commonly confused with that of vulvovaginal candidosis, leading to inadequate and ineffective azole therapies.

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Gene therapy can be viewed as a promising/valuable therapeutic approach directed to cancer treatment, including glioblastoma. Concretely, the combination of gene therapy with chemotherapy could increase its therapeutic index due to a synergistic effect. In this context, bovine serum albumin (BSA)-coated temozolomide (TMZ)-peptide (WRAP5)/p53 gene-based plasmid DNA complexes were developed to promote payload co-delivery.

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Kallmann syndrome is a rare disorder characterized by hypogonadotropic hypogonadism and an impaired sense of smell (anosmia or hyposmia) caused by congenital defects in the development of the gonadotropin-releasing hormone (GnRH) and olfactory neurons. Mutations in several genes have been associated with Kallmann syndrome. However, genetic testing of this disorder often reveals variants of uncertain significance (VUS) that remain uninterpreted without experimental validation.

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Diosgenin is a phytosteroid sapogenin with reported antitumoral activity. Despite the evidence indicating a lower incidence of prostate cancer (PCa) associated with a higher consumption of phytosteroids and the beneficial role of these compounds, only a few studies have investigated the effects of diosgenin in PCa, and its mechanisms of action remain to be disclosed. The present study investigated the effect of diosgenin in modulating PCa cell fate and glycolytic metabolism and explored its potential interplay with G protein-coupled oestrogen receptor (GPER).

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Background: The prevalence of overweight and obesity is increasing at an alarming rate in children and adolescents worldwide. Given the dimension of the problem, treatments of childhood obesity are recognized as of extreme importance. Current evidence indicates that behavioural and cognitive behavioural strategies combined with diet and physical activity approaches may assist in reducing adolescent obesity.

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Anti-PTX3 antibodies: towards a new concept of pain in rheumatoid arthritis?

Rheumatology (Oxford)

November 2024

Rheumatology Department, Unidade Local de Saúde Coimbra, Coimbra, Portugal.

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Delphi definition of general practice/family medicine specialty for a post-COVID world: in-person and remote care delivery.

Fam Pract

November 2024

General Practice and Primary Care, School of Health and Wellbeing, University of Glasgow, Clarice Pears Building, 90 Byres Road, Glasgow G12 8TB, United Kingdom.

Introduction: The evolving landscape of general practice (GP)/family medicine (FM) in the post-COVID-19 era, focussing on integrating telemedicine and remote consultations requires a new definition for this specialty. Hence, a broader consensus-based definition of post-COVID-19 GP/FM is warranted.

Methods: This study involved a modified electronic Delphi technique involving 27 specialists working in primary care recruited via convenient and snowball sampling.

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Tackling antibiotic resistance-insights from eHealthResp's educational interventions.

NPJ Prim Care Respir Med

November 2024

iBiMED - Institute of Biomedicine, Department of Medical Sciences, University of Aveiro, Aveiro, Portugal.

Article Synopsis
  • - Antibiotic resistance (AR) is a major global public health issue leading to hard-to-treat respiratory infections, highlighting the need for better prescription practices among healthcare professionals.
  • - The eHealthResp project offers an online course and mobile app to educate healthcare providers about proper antibiotic use for upper respiratory tract infections (URTIs), showing positive outcomes for those who participated.
  • - Study results indicate that primary care physicians and pharmacists utilized these digital tools effectively, with common cases indicating mild symptoms, suggesting a focus on managing self-limited infections, and emphasizing the need for broader participation and improved educational strategies.
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Introduction: A promising approach to optimizing recovery in youth football has been the use of machine learning (ML) models to predict recovery states and prevent mental fatigue. This research investigates the application of ML models in classifying male young football players aged under (U)15, U17, and U19 according to their recovery state. Weekly training load data were systematically monitored across three age groups throughout the initial month of the 2019-2020 competitive season, covering 18 training sessions and 120 observation instances.

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Insulin Resistance Is a Modifying Factor for Parkinson's Disease.

Mov Disord

November 2024

Developmental and Cellular Biology, Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, Esch-sur-Alzette, Luxembourg.

Article Synopsis
  • Parkinson's disease (PD) is a common neurodegenerative disorder linked to non-genetic risk factors, with central insulin resistance emerging as a potential contributor to its pathology.
  • This study investigates the relationship between insulin resistance and the severity of symptoms in patients with the GBA1-N370S mutation-associated PD, using midbrain organoids for analysis.
  • Results indicate that altered insulin signaling genes are involved in GBA-PD and that targeting FOXO1 may protect against neuron loss, with the anti-diabetic drug Pioglitazone showing promise as a treatment.
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Smoking-attributable mortality in Portugal and its regions in 2019.

Pulmonology

October 2023

Department of Preventive Medicine and Public Health, Universidade de Santiago de Compostela, Santiago de Compostela, Spain; Health Research Institute of Santiago de Compostela (Instituto de Investigación Sanitaria de Santiago de Compostela - IDIS), Santiago de Compostela, Spain; Consortium for Biomedical Research in Epidemiology and Public Health (CIBER de Epidemiología y Salud Pública, CIBERESP), Spain.

Introduction And Objectives: Timely regional-specific estimates of smoking-attributable mortality (SAM) are crucial for healthcare planning and tobacco control advocacy. Currently, this information is lacking in Portugal. The aim of this study was to estimate SAM by region in 2019 among the Portuguese population aged ≥35 years.

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Novel 1,10-phenanthroline-2,9-bistriazoles derivatives have been synthesized by copper-catalyzed azide/alkyne cycloaddition reactions and assessed for their ability to bind and stabilize G-quadruplex (G4) structures. Ten novel compounds were evaluated using Förster resonance energy transfer (FRET) melting, circular dichroism (CD), and fluorescence spectroscopy on several G4 sequences. Biophysical characterization led to the identification of compounds 4 a, 4 b, and 5 b as good G4 ligands of KRAS G4 sequences.

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Biophysical characterization of microRNA mixtures based on Molecular Beacons.

Biochem Biophys Res Commun

December 2024

CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Covilhã, Portugal. Electronic address:

Diverse studies have shown a relationship between dysregulated microRNAs (miRNAs), including miRNA-29b and miRNA-9, and several diseases. So, it is hypothesized that miRNAs can be studied as potential agents to be exploited in biomedical applications, due to their ability to take part in gene expression regulation at a post-transcriptional level. Considering the possibility of using miRNAs, it is important to characterize and validate this bioproduct, structurally and functionally.

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Patients undergoing hemodialysis (HD) often exhibit an impaired cellular immune response, which may contribute to an increased susceptibility to infections and other complications. Th1 cells, a subset of T-helper cells, play a crucial role in cellular immunity. However, the modulation of Th1 cells by HD treatment remains unclear.

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Plant-based beverages (PBB) consumption has increased significantly worldwide due to an interest in vegetarian/vegan diets, taste preferences, health and ethical and environmental issues. Therefore, this study intends to investigate consumption habits, consumer preferences and consumers' level of knowledge about PBB. In this study, a voluntary, anonymous questionnaire survey was applied to a sample of participants from Portugal.

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Exploring flagellar contributions to motility and virulence in Arcobacter butzleri.

World J Microbiol Biotechnol

October 2024

CICS-UBI - Health Sciences Research Centre, University of Beira Interior, Avenida Infante D. Henrique, Covilhã, 6200-506, Portugal.

Flagella is a well-known bacterial structure crucial for motility, which also plays pivotal roles in pathogenesis. Arcobacter butzleri, an enteropathogen, possesses a distinctive polar flagellum whose functional aspects remain largely unexplored. Upon investigating the factors influencing A.

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Article Synopsis
  • The study analyzed global, regional, and national trends in injury burden and identified risk factors contributing to injuries using data from the GBD 2019.
  • In 2019, there were approximately 713.9 million injury incidents and 4.3 million injury-related deaths globally, with low bone mineral density emerging as the leading risk factor.
  • The findings emphasize the need for effective global injury prevention policies by highlighting the persistent impact of injuries on global health.
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Background: We aimed to investigate the effects of sodium-glucose cotransporter 2 inhibitors (SGLT2i) and glucagon-like peptide-1 receptor agonists (GLP1RA) in patients with type 2 diabetes mellitus (T2DM) in clinical practice.

Research Design And Methods: A total of 340 patients were included. Data on age, gender, antidiabetic medications, and bioanalytical parameters were collected at baseline and one year later.

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Article Synopsis
  • This study investigates the effect of a supervised exercise training program (SETP) on the pathological complete response (pCR) and tumor-infiltrating lymphocytes (TILs) in women with early breast cancer undergoing neoadjuvant chemotherapy (NAC).
  • Sixty-four participants were analyzed, primarily with stage II and III disease, and results showed no significant difference in pCR rates (56.7% for SETP vs. 55.9% for control) or TIL levels between the two groups.
  • The findings suggest that SETP may not influence pCR or TILs during NAC, highlighting the need for further research with larger sample sizes to explore these outcomes more conclusively.
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The present work consist of the synthesis of photo-cross-linkable materials, based on unsaturated polyesters (UPs), synthesized from biobased monomers from renewable sources such as itaconic acid and 1,4-butanediol. The UPs were characterized to assess the influence of polycondensation reaction temperature and cross-linking time on their final properties. For this purpose, different UV irradiation exposure periods were tested.

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Characterizing the most demanding passages of kinematic and mechanical activity in elite football: a multifactorial approach.

Biol Sport

October 2024

Research Centre in Sports Sciences, Health Sciences and Human Development (CIDESD), Department of Sport Sciences, University of Beira Interior, Covilhã, Portugal.

This study investigated the 5-minute most demanding passages (MDP) of kinematic (distance covered) and mechanical (acceleration and deceleration) activities in elite male football according to multifactorial criterion performance variables. Global positioning systems data were collected from 39 players across 45 matches in the Swedish first division (n = 329 observations). The multifactorial kinematic variable (MDPk) was composed of the concurrent distances covered at moderate-speed running, high-speed running, and sprinting distances, and the multifactorial mechanical (MDPm) considered the concurrent occurrences of high-intensity acceleration and deceleration activities.

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Background: Fibromyalgia (FM) is characterized by widespread chronic pain. Although pain is the main symptom, approximately 90% of patients have depression. This study aimed to analyze the effects of Resistance Training (RT) with low and high intensity on depression in patients with FM.

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