234 results match your criteria: "and University of Barcelona[Affiliation]"

X-chromosome-wide association study for Alzheimer's disease.

Mol Psychiatry

December 2024

Univ. Lille, Inserm, CHU Lille, Institut Pasteur de Lille, LabEx DISTALZ - U1167-RID-AGE Facteurs de Risque et Déterminants Moléculaires des Maladies Liées au Vieillissement, Lille, France.

Article Synopsis
  • A study was conducted to investigate the X-chromosome's role in Alzheimer's Disease (AD), which had been overlooked in previous genome-wide association studies.
  • The research included 115,841 AD cases and 613,671 controls, considering different X-chromosome inactivation (XCI) states in females.
  • While no strong genetic risk factors for AD were found on the X-chromosome, seven significant loci were identified, suggesting areas for future research.
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Article Synopsis
  • A study on the effects of statin therapy in people living with HIV (PWH) found that while it did not reduce the overall incidence of COVID-19, it may lower the risk of severe cases of COVID-19 before vaccination.
  • The study analyzed data from 6,905 PWH and included variables such as age, gender, and race, showing that a majority had received COVID-19 vaccinations by the end of the study period.
  • Statin therapy demonstrated a potential protective effect against serious COVID-19 cases, as evidenced by a hazard ratio of 0.75, but the results were inconclusive due to fewer cases than expected.
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JAK inhibitors in refractory dermatomyositis: A case series.

Australas J Dermatol

November 2024

Department of Dermatology, Hospital Clínic de Barcelona, University of Barcelona, Barcelona, Catalunya, Spain.

This retrospective cohort study assessed the efficacy and safety of Janus kinase (JAK) inhibitors, tofacitinib and baricitinib, in 14 patients with refractory dermatomyositis (DM), a multisystemic autoimmune disorder with limited therapeutic options. Results demonstrated a significant median decrease of 21 points and a 76% reduction in the Cutaneous Dermatomyositis Disease Area and Severity Index (CDASI) scores, along with a complete resolution of muscular symptoms in 64% of the patients. JAK inhibitors were effective in managing refractory DM across various subtypes with mild and manageable adverse events.

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Cardiometabolic health in people with HIV: expert consensus review.

J Antimicrob Chemother

June 2024

Global Medical, ViiV Healthcare, 406 Blackwell Street, Suite 300, Durham, NC 27701, USA.

Objectives: To develop consensus data statements and clinical recommendations to provide guidance for improving cardiometabolic health outcomes in people with HIV based on the knowledge and experience of an international panel of experts.

Methods: A targeted literature review including 281 conference presentations, peer-reviewed articles, and background references on cardiometabolic health in adults with HIV published between January 2016 and April 2022 was conducted and used to develop draft consensus data statements. Using a modified Delphi method, an international panel of 16 experts convened in workshops and completed surveys to refine consensus data statements and generate clinical recommendations.

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Very Long-Term Functional Outcomes and Dependency in Children With Anti-NMDA Receptor Encephalitis.

Neurol Neuroimmunol Neuroinflamm

May 2024

From the Group of Experimental Neuroimmunology (L.-W.C., G.O.-C., E.G.F., T.A., J.D.), Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) and Caixa Research Institute, Barcelona, Spain; Department of Pediatrics (L.-W.C.), National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan; Pediatric Neurology Unit (G.O.-C.), Hospital Parc Taulí de Sabadell; Neurology Service (E.G.F., J.D.), Hospital Clínic Barcelona; Pediatric Neuroimmunology Unit (E.G.F., T.A.), Neurology Department, Sant Joan de Déu Children's Hospital, Barcelona, Spain; Division of Neurology (M.M.S.), Hospital das Clinicas (HCFMUSP), Faculdade de Medicina, University of São Paulo, Brazil; Department of Neurology (T.I.), Kitasato University School of Medicine, Sagamihara, Japan; Centro de Investigación Biomédica en Red (J.D.), Enfermedades Raras (CIBERER), Spain; Department of Neurology (J.D.), Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA; and University of Barcelona (J.D.), Barcelona, Spain.

Objectives: To assess the daily function of children with anti-N-methyl-d-aspartate receptor encephalitis (NMDARe) after a minimal follow-up of 5 years.

Methods: Patients 18 years and younger by the time of disease onset, whose serum and CSF were studied in our center between 2013 and 2017, were included in the study. Patients' daily life function was assessed by their physicians using a 15-domain question format (Liverpool Outcome Score).

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Bridging the critically ill patient with acute to chronic liver failure to liver transplantation.

Am J Transplant

August 2024

Department of Critical Care Medicine, University of Alberta, Edmonton, Canada; Division of Gastroenterology (Liver Unit), University of Alberta, Edmonton, Canada.

Liver transplantation (LT) has emerged as an effective therapy for severe forms of acute-on-chronic liver failure (ACLF), an entity characterized by the development of multiorgan failure and high short-term mortality. The aim of critical care management of ACLF patients is to rapidly treat precipitating events and aggressively support failing organs to ensure that patients may successfully undergo LT or, less frequently, recover. Malnutrition and sarcopenia are frequently present, adversely impacting the prognosis of these patients.

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Hypertension and Risk of Endometrial Cancer: A Pooled Analysis in the Epidemiology of Endometrial Cancer Consortium (E2C2).

Cancer Epidemiol Biomarkers Prev

June 2024

Department of Population and Public Health Sciences, Keck School of Medicine of USC, University of Southern California, Los Angeles, California.

Background: The incidence rates of endometrial cancer are increasing, which may partly be explained by the rising prevalence of obesity, an established risk factor for endometrial cancer. Hypertension, another component of metabolic syndrome, is also increasing in prevalence, and emerging evidence suggests that it may be associated with the development of certain cancers. The role of hypertension independent of other components of metabolic syndrome in the etiology of endometrial cancer remains unclear.

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Article Synopsis
  • The study investigates the impact of exacerbations of Chronic Obstructive Pulmonary Disease (ECOPD) on global mortality and hospital readmission rates after hospitalization.
  • The analysis included data from 65,945 COPD patients, revealing a 6.2% in-hospital mortality rate and significant post-discharge mortality and readmission rates at various intervals.
  • Researchers emphasize the need for standardized management of ECOPD and suggest that policymakers prioritize funding for effective therapies to reduce the incidence of recurrent hospitalizations.
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Aims/hypothesis: The proinflammatory cytokines IFN-α, IFN-γ, IL-1β and TNF-α may contribute to innate and adaptive immune responses during insulitis in type 1 diabetes and therefore represent attractive therapeutic targets to protect beta cells. However, the specific role of each of these cytokines individually on pancreatic beta cells remains unknown.

Methods: We used deep RNA-seq analysis, followed by extensive confirmation experiments based on reverse transcription-quantitative PCR (RT-qPCR), western blot, histology and use of siRNAs, to characterise the response of human pancreatic beta cells to each cytokine individually and compared the signatures obtained with those present in islets of individuals affected by type 1 diabetes.

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GEMIN5 exerts key biological functions regulating pre-mRNAs intron removal to generate mature mRNAs. A series of patients were reported harboring mutations in GEMIN5. No treatments are currently available for this disease.

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Scope: Diets rich in polyphenols has been associated with better cognitive performance. The aim of this study is to assess the relationship between microbial phenolic metabolites (MPM) in urine and cognition in the context of an older population at high cardiovascular risk.

Methods And Results: A cross-sectional analysis is conducted in 400 individuals of the PREDIMED-Plus study.

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Background: The association of fitness with cancer risk is not clear.

Methods: We used Cox proportional hazards models to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for risk of lung, colorectal, endometrial, breast, and prostate cancer in a subset of UK Biobank participants who completed a submaximal fitness test in 2009-12 (N = 72,572). We also investigated relationships using two-sample Mendelian randomisation (MR), odds ratios (ORs) were estimated using the inverse-variance weighted method.

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Inheritance of c.628-6G>A GNB5 hypomorphic allele uncovers another challenge in the pathogenic prediction of genomic variants.

Clin Genet

March 2024

Laboratory of Neurogenetics and Molecular Medicine - IPER, Institut de Recerca Sant Joan de Déu, Barcelona, Spain.

We studied a patient with a severe phenotype carrying two GNB5 variants: c.514delT from the unaffected heterozygous mother and c.628-6G>A from the unaffected homozygous father.

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Aim: To assess how long participants with type 2 diabetes spent with HbA1c less than 7.0% and how likely they were to maintain this target with oral semaglutide 7 mg versus sitagliptin 100 mg or oral semaglutide 14 mg versus empagliflozin 25 mg, sitagliptin 100 mg or subcutaneous liraglutide 1.8 mg.

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The EMT factor ZEB1 paradoxically inhibits EMT in BRAF-mutant carcinomas.

JCI Insight

October 2023

Group of Gene Regulation in Stem Cells, Cell Plasticity, Differentiation, and Cancer, Department of Oncology and Hematology, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.

Despite being in the same pathway, mutations of KRAS and BRAF in colorectal carcinomas (CRCs) determine distinct progression courses. ZEB1 induces an epithelial-to-mesenchymal transition (EMT) and is associated with worse progression in most carcinomas. Using samples from patients with CRC, mouse models of KrasG12D and BrafV600E CRC, and a Zeb1-deficient mouse, we show that ZEB1 had opposite functions in KRAS- and BRAF-mutant CRCs.

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Background: Cross-sectionally, older age and obesity are associated with increased coronavirus disease-2019 (COVID-19) risk. We assessed the longitudinal associations of baseline and changes in adiposity parameters with COVID-19 incidence in older adults at high cardiovascular risk.

Methods: This analysis included 6874 men and women (aged 55-75 years) with overweight/obesity and metabolic syndrome in the PREDIMED-Plus lifestyle intervention trial for cardiovascular risk reduction.

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Aims: Brensocatib is a reversible inhibitor of dipeptidyl peptidase 1 (cathepsin C), in development to treat chronic non-cystic fibrosis bronchiectasis. The phase 2, randomized, placebo-controlled WILLOW trial (NCT03218917) was conducted to examine whether brensocatib reduced the incidence of pulmonary exacerbations. Brensocatib prolonged the time to the first exacerbation and led to fewer exacerbations than placebo.

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Background: The coronavirus disease 2019 (COVID-19) has serious physiological and psychological consequences. The long-term (>12 weeks post-infection) impact of COVID-19 on mental health, specifically in older adults, is unclear. We longitudinally assessed the association of COVID-19 with depression symptomatology in community-dwelling older adults with metabolic syndrome within the framework of the PREDIMED-Plus cohort.

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Gastrointestinal stromal tumor (GIST) is the most common malignant neoplasm of mesenchymal origin. GIST spans a wide clinical spectrum that ranges from tumors with essentially no metastatic potential to malignant and life-threatening spread diseases. Gain-of-function mutations in KIT or PDGFRA receptor tyrosine kinases are the crucial drivers of most GISTs, responsible for tumor initiation and evolution throughout the entire course of the disease.

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Objectives: This study aimed to explore and describe the impact on patients with oxaliplatin-induced cold sensitivity in the early stages.

Data Sources: An inductive design was used for this qualitative study, which included open-ended, and in-depth interviews with 18 cancer patients. Throughout the study, the authors followed the COREQ checklist.

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Pitavastatin to Prevent Cardiovascular Disease in HIV Infection.

N Engl J Med

August 2023

From the Metabolism Unit (S.K.G., K.V.F., M.V.Z., M.R.D., E.S.F., S.E.L., S.M.), the Cardiovascular Imaging Research Center, Department of Radiology (K.P., B.F., M.T.L.), and the Yvonne L. Munn Center for Nursing Research (S.E.L.), Massachusetts General Hospital and Harvard Medical School, the Center for Biostatistics in AIDS Research, Harvard T.H. Chan School of Public Health (T.U., J.L.-C., H.J.R.), and the Thrombolysis in Myocardial Infarction Study Group, Cardiovascular Division, Brigham and Women's Hospital, Harvard Medical School (S.D.W.) - all in Boston; the Division of Infectious Diseases, University of Cincinnati College of Medicine, Cincinnati (C.J.F.), and the Division of Infectious Diseases, Ohio State University Medical Center, Columbus (C.D.M.); the Division of Infectious Diseases, Icahn School of Medicine at Mount Sinai, New York (J.A.A.); the Division of Infectious Diseases, University of Alabama at Birmingham, Birmingham (E.T.O.); the Department of Medicine, Duke Global Health Institute and Duke Clinical Research Institute, Duke University (G.S.B.), and Duke University Research Institute, Duke University School of Medicine (P.S.D.) - both in Durham, NC; the Division of Infectious Diseases, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles (J.S.C.); the Infectious Diseases Service, Hospital Clinic and University of Barcelona, Barcelona, and CIBER de Enfermedades Infecciosas, Instituto de Salud Carlos III, Madrid - both in Spain (E.M.); DLH, Silver Spring (J.C.R.), and the Division of Cardiovascular Sciences, National Heart, Lung, and Blood Institute (P.D.-N.), and the Division of AIDS, National Institute of Allergy and Infectious Diseases (B.A.-S.), National Institutes of Health, Bethesda - all in Maryland; and Cleerly, Denver (U.H.).

Background: The risk of cardiovascular disease is increased among persons with human immunodeficiency virus (HIV) infection, so data regarding primary prevention strategies in this population are needed.

Methods: In this phase 3 trial, we randomly assigned 7769 participants with HIV infection with a low-to-moderate risk of cardiovascular disease who were receiving antiretroviral therapy to receive daily pitavastatin calcium (at a dose of 4 mg) or placebo. The primary outcome was the occurrence of a major adverse cardiovascular event, which was defined as a composite of cardiovascular death, myocardial infarction, hospitalization for unstable angina, stroke, transient ischemic attack, peripheral arterial ischemia, revascularization, or death from an undetermined cause.

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Background: Differentiation of gastrointestinal cancer (GIC) from chronic inflammatory enteropathies (CIE) in cats can be challenging and often requires extensive diagnostic testing. MicroRNAs (miRNAs) have promise as non-invasive biomarkers in serum and feces for diagnosis of GIC.

Hypothesis/objectives: Cats with GIC will have serum and fecal miRNA profiles that differ significantly from healthy cats and cats with CIE.

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