22,268 results match your criteria: "University of Porto.[Affiliation]"

Flavor Engineering: A comprehensive review of biological foundations, AI integration, industrial development, and socio-cultural dynamics.

Food Res Int

November 2024

LSRE-LCM - Laboratory of Separation and Reaction Engineering - Laboratory of Catalysis and Materials, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto 4200-465, Portugal; ALiCE - Associate Laboratory in Chemical Engineering, Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, Porto 4200-465, Portugal.

Article Synopsis
  • - This review investigates the development of flavor by looking at its biological basis, analytical methods, and cultural significance, while also considering the influence of artificial intelligence in flavor science.
  • - It highlights the combination of taste, aroma, and texture, emphasizing their sensory experiences and the broader implications flavors have on economics, health, and culture.
  • - The analysis involved collecting and reviewing various articles and book chapters from reputable online databases to assess advancements in flavor analysis and innovation in the flavor industry.
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Background: Understanding environmental correlates of sedentary behaviour (SB) among young people is important as such data can identify approaches to limit sedentary time. This paper estimates associations of parent-reported neighbourhood and adolescent-reported home environments with SB among adolescents aged 11-19 years from 14 countries.

Methods: In the International Physical activity and the Environment Network (IPEN) Adolescent Study (an observational, cross-sectional multi-country study), adolescents wore a triaxial accelerometer for seven days that assessed sedentary time (ST).

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Introduction: Patients with familial adenomatous polyposis (FAP) are characterised by the appearance of colorectal cancer if the disease is left to follow its natural course, which means they frequently undergo prophylactic colectomy at a young age. In these patients, duodenal cancer becomes the leading cause of death, which deems surveillance necessary. Gastric cancer, although rare, can also occur in these patients, and total gastrectomy is the usual treatment option.

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Objective: To investigate the associations between sexual health dimensions, and overall health and well-being.

Methods: In February 2024, we systematically searched Scopus, PsyArticles, PsycINFO®, PubMed®, Web of Science and LILACS for articles reporting on associations between sexual health, health and well-being indicators. We applied no language restrictions and followed the 2020 Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines.

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First Sila-Vitamin D Analogues: Design, Synthesis, Structural Analysis and Biological Activity.

J Med Chem

December 2024

Department of Chemistry and Biochemistry, Faculty of Sciences, LAQV/REQUIMTE, University of Porto, Porto 4169-007, Portugal.

Article Synopsis
  • - The study focuses on creating new drug analogues of 1,25-dihydroxyvitamin D3 by incorporating silicon bioisosteres to enhance their therapeutic effects.
  • - Six silicon-containing analogues were designed and synthesized using a specific chemical method, revealing unique crystal structures that stabilize the VDR's active form.
  • - These analogues exhibit comparable binding and activity to the natural hormone but cause less increase in calcium levels, and when paired with chemotherapy, they effectively reduce cell growth.
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Article Synopsis
  • The study investigates the quality of referrals to community palliative care teams, focusing on patient criteria for at-home care and the challenges in transitioning from hospital care to specialized palliative support.
  • Researchers analyzed patient records from 2023, noting an average patient age of 80.7 years, with common diagnoses including cancer and organ failure, and found improvements in psychological and social support after starting palliative care.
  • The findings suggest that while many patients can be supported effectively at home, there are significant issues with recognizing referral criteria and delays in transitioning care from hospitals.
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Author Correction: Beyond COP28: Brazil must act to tackle the global climate and biodiversity crisis.

NPJ Biodivers

November 2024

Programa de Pós-Graduação em Biodiversidade, Ecologia e Conservação, Núcleo de Estudos Ambientais, Universidade Federal do Tocantins, 77.500-000, Porto Nacional, Tocantins, Brazil.

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Background: Depression is a highly prevalent psychopathological condition among older adults, particularly those institutionalized in nursing homes (NHs). Unfortunately, it is poorly identified and diagnosed. NH residents are twice as likely to fall as community-dwelling older adults.

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Four-year secukinumab treatment outcomes in European real-world patients with axial spondyloarthritis and psoriatic arthritis.

Joint Bone Spine

November 2024

Copenhagen Center for Arthritis Research (COPECARE), Center for Rheumatology and Spine Diseases, Centre for Head and Orthopedics, Rigshospitalet, Glostrup, Denmark. Electronic address:

Article Synopsis
  • The study aimed to evaluate the retention rates and remission outcomes of patients with axial spondyloarthritis (axSpA) and psoriatic arthritis (PsA) who started treatment with secukinumab over 24 and 48 months.
  • Data was collected from 13 European registries, revealing that retention rates were around 51%-64%, and patients with no prior biologic treatments showed better outcomes compared to those with previous treatments.
  • The findings suggest that secukinumab remains effective over four years, with higher success rates in treatment-naïve patients compared to those who had already tried other therapies.
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Cumulus cell DNA damage linked to fertilization success in females with an ovulatory dysfunction phenotype.

Front Cell Dev Biol

November 2024

Molecular Genetics Laboratory, Laboratory Genetics Service, Genetics and Pathology Clinic, Centro Hospitalar Universitário de Santo António, Unidade Local de Saúde de Santo António, Porto, Portugal.

Article Synopsis
  • Intracytoplasmic sperm injection (ICSI) relies on the health of both oocytes and cumulus cells; this study investigates the role of DNA damage in these cumulus cells as it relates to fertilization success.
  • Using the alkaline comet assay, researchers compared DNA damage levels in cumulus cells and whole blood from potentially fertile and infertile females, finding significant differences.
  • Results indicate that higher DNA damage in cumulus cells correlates with lower fertilization success in females with ovulatory dysfunction, suggesting DNA damage could be a useful biomarker for predicting oocyte competence.
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Editorial: Molecular mechanisms of neuropsychiatric diseases, volume II.

Front Mol Neurosci

November 2024

Department of Immuno-Physiology and Pharmacology, Laboratory of General Physiology and Center for Drug Discovery and Innovative Medicines (MedInUP), School of Medicine and Biomedical Sciences (ICBAS), University of Porto (UP), Porto, Portugal.

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Minimally Invasive Versus Invasive Proteomics: Urine and Blood Biomarkers in Coronary Artery Disease.

Proteomics Clin Appl

January 2025

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

Coronary artery disease (CAD) is a major cause of morbidity and mortality worldwide. This underlines the urgent need for effective biomarkers for early diagnosis, risk stratification, and therapeutic counseling. Proteomic signatures from plasma and urine have emerged as promising tools for these efforts, each offering unique advantages and challenges.

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Article Synopsis
  • * The IL-17 pathway has been identified as a key player in HS inflammation, leading to the development of IL-17 inhibitors like secukinumab and bimekizumab, both of which have gained regulatory approvals for treating moderate-to-severe HS.
  • * Ongoing clinical trials are exploring newer drugs like sonelokimab and izokibep, which show promise in treating HS, while this review summarizes the latest findings and advancements in understanding
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Hyperkalemia is a potentially life-threatening condition frequently encountered in clinical practice, particularly among patients with chronic kidney disease, heart failure, diabetes, and hypertension and those undergoing treatment with renin-angiotensin-aldosterone system inhibitors (RAASi). The management of chronic and acute hyperkalemia is complex and requires timely intervention to prevent severe complications such as cardiac arrhythmias and sudden death. Traditional therapeutic approaches to chronic hyperkalemia, including dietary potassium restriction, use of diuretics, and administration of cation-exchange resins like sodium polystyrene sulfonate, often suffer from limitations like gastrointestinal side effects, variable efficacy, delayed onset of action, and RAASi treatment discontinuation.

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Exploring the potential of 7,4'-di(diethylamino)flavylium as a novel photosensitizer for topical photodynamic therapy of skin cancer.

Sci Rep

November 2024

REQUIMTE/LAQV, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal.

Photodynamic therapy (PDT) is a minimally invasive therapeutic approach that has shown promising results in recent years, particularly in the dermatological clinical treatment of several pathologies, including neoplastic skin diseases. In light of the recent discovery of the photosensitizing properties of a water-soluble group of amino-based flavylium dyes, research efforts have led to the development of a novel synthetic dye with two diethylamino moieties in its structure, 7,4'-di(diethylamino)flavylium (7,4'diN(Et)). This dye was tested as a potential photosensitizer for PDT of skin cancer.

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Early combination therapy with SGLT2i and GLP-1 RA or dual GIP/GLP-1 RA in type 2 diabetes.

Diabetes Obes Metab

February 2025

Holman Division of Endocrinology, Diabetes and Metabolism, Departments of Medicine and Population Health, VA New York Harbor Healthcare System, New York University Grossman School of Medicine, New York, New York, USA.

Sodium-glucose cotransporter-2 inhibitors (SGLT2i) and glucagon-Like peptide-1 receptor agonists (GLP-1 RA) are recommended in people with type 2 diabetes (T2D) for glycaemic control and for people with high cardiovascular risk. However, current guidelines do not specifically address the role of initial early combination therapy with SGLT2i and GLP-1 RA or dual gastric inhibitory polypeptide (GIP)/GLP-1 RA, but rather sequential initiation with either in T2D. This review synthesizes the available evidence on the use of SGLT2i and GLP-1-based therapies for T2D and provides a rationale for their combination.

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Machine Learning-Driven Discovery and Database of Cyanobacteria Bioactive Compounds: A Resource for Therapeutics and Bioremediation.

J Chem Inf Model

December 2024

CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, Porto 4450-208, Portugal.

Cyanobacteria strains have the potential to produce bioactive compounds that can be used in therapeutics and bioremediation. Therefore, compiling all information about these compounds to consider their value as bioresources for industrial and research applications is essential. In this study, a searchable, updated, curated, and downloadable database of cyanobacteria bioactive compounds was designed, along with a machine-learning model to predict the compounds' targets of newly discovered molecules.

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Ontology of doctor and patient relationship and bioethics: from Aristotle's teleology to Pellegrino's philosophy of medicine.

Med Health Care Philos

November 2024

Bioethics Centre, Faculty of Medicine, University of Porto, Alameda Prof. Hernâni Monteiro, Porto, 4200-319, Portugal.

Some philosophical and metaethical theories have tried to provide a fundamental background for bioethics but miss the fundamental question about what medicine is, its nature and its end. We argue that the philosophy of medicine, through the development that Edmund Pellegrino and David Thomasma gave to this field of study, allied with Aristotle's practical and teleological ethics, can provide an ontological background for bioethics beyond the tradition of principles and deontology, with particular emphasis on the uniqueness of the doctor-patient encounter. Some difficulties and criticisms of this ontological model are also examined.

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Cardiac remodelling in the era of the recommended four pillars heart failure medical therapy.

ESC Heart Fail

November 2024

Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, ASST Spedali Civili di Brescia, University of Brescia, Brescia, Italy.

Cardiac remodelling is a key determinant of worse cardiovascular outcome in patients with heart failure (HF) and reduced ejection fraction (HFrEF). It affects both the left ventricle (LV) structure and function as well as the left atrium (LA) and the right ventricle (RV). Guideline recommended medical therapy for HF, including angiotensin-converting enzyme inhibitors/angiotensin receptors II blockers/angiotensin receptor blocker-neprilysin inhibitors (ACE-I/ARB/ARNI), beta-blockers, mineralocorticoid receptor antagonists (MRA) and sodium-glucose transport protein 2 inhibitors (SGLT2i), have shown to improve morbidity and mortality in patients with HFrEF.

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With the growing human awareness of trying to reduce the environmental impact in today's world, the development of new sustainably based materials has been the increasing focus of industry and academia. Biocomposites are environmentally friendly materials produced from raw materials synthesized from renewable sources. In this sense, this work aims to characterize and evaluate the mechanical and thermal performances of biocomposites manufactured from a thermoplastic matrix of high-density bioethylene and obtained from ethanol produced from sugarcane and reinforced with organophilic montmorillonite clay.

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MicroRNAs as Promising Therapeutic Agents Against Prostate Cancer Resistant to Castration-Where Are We Now?

Pharmaceutics

October 2024

Molecular Oncology and Viral Pathology Group, Research Center of IPO Porto (CI-IPOP)/RISE@CI-IPOP (Health Research Network), Portuguese Oncology Institute of Porto (IPO Porto)/Porto Comprehensive Cancer Center (Porto.CCC), 4200-072 Porto, Portugal.

Article Synopsis
  • * Abnormal miRNA levels are linked to various cancers, including prostate cancer (PC), where they can act as either tumor suppressors or oncogenes, complicating treatment strategies, especially for castration-resistant prostate cancer (CRPC).
  • * The review discusses the important role of miRNAs in cancer biology, examines delivery systems for miRNA therapies, and emphasizes the need for more research to effectively translate these therapies into clinical use for CRPC treatment.
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Hepatic sinusoidal obstruction syndrome/veno-occlusive disease (SOS/VOD) is a major complication following hematopoietic stem cell transplantation, resulting from immune and chemical toxicity in the sinusoidal endothelium and hepatocellular damage. In the most severe cases, multiorgan dysfunction occurs, so it is essential to promptly identify patients at greater risk of SOS/VOD and to adopt prophylactic strategies. : This study aims to systematize the impact of different approaches as primary prophylaxes against SOS/VOD in patients undergoing hematopoietic stem cell transplantation (HSCT).

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Early Acute Kidney Injury in Stroke Patients Submitted to Endovascular Treatment: A Cohort Study.

J Clin Med

November 2024

Department of Internal Medicine, Unidade Local de Saúde de Gaia e Espinho EPE, Rua Conceição Fernandes, 4434-502 Vila Nova de Gaia, Portugal.

Article Synopsis
  • Acute kidney injury (AKI) occurs in patients after endovascular therapy for acute ischemic stroke, impacting recovery and survival rates.
  • A study involving 1150 patients revealed an AKI incidence of 6%, with risk factors including older age, longer treatment times, and lower kidney function.
  • AKI significantly correlates with higher mortality rates, emphasizing the need for improved treatment strategies for at-risk patients.
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In Vitro Antimicrobial Activity of Volatile Compounds from the Lichen (L.) Zopf. Against Multidrug-Resistant Bacteria and Fish Pathogens.

Microorganisms

November 2024

Interdisciplinary Centre of Marine and Environmental Research (CIIMAR/CIMAR), University of Porto, Terminal de Cruzeiros do Porto de Leixões, 4450-208 Matosinhos, Portugal.

Lichens are symbiotic organisms with unique secondary metabolism. Various metabolites from lichens have shown antimicrobial activity. Nevertheless, very few studies have investigated the antimicrobial potential of the volatile compounds they produce.

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Biodegradation of Crude Oil and Aniline by Heavy Metal-Tolerant Strain sp. DH-2.

Microorganisms

November 2024

Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, College of Chemistry and Chemical Engineering, Tianjin University of Technology, Tianjin 300384, China.

Article Synopsis
  • Aniline and crude oil are significant environmental pollutants that harm both ecosystems and human health, necessitating effective bioremediation methods.
  • A bacterial strain, DH-2, was isolated from contaminated soil and can degrade aniline over 90% in 36 hours and also breaks down crude oil by 91% within four days under optimal conditions.
  • The strain thrives in challenging conditions, including the presence of heavy metals, highlighting its potential for cleaning contaminated environments.
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