5,676 results match your criteria: "F.D.; and Universite Paris-Sud[Affiliation]"

Ulcerative colitis (UC) is a chronic inflammatory bowel disease characterized by growing incidence and prevalence around the world in the last few decades. The range of available existing treatment and strategies for its management is being implemented. Given the introduction of newly developed molecules and the lack of specific guidelines, drug positioning may represent a tough clinical challenge.

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This case report examines the correlation between hydration, weight variation, and perceived effort in a 43-year-old amateur athlete during a self-supported 81.5 km crossing of Death Valley, completed over 3 days with significant elevation changes. Studies have shown that a body mass loss greater than 2-3% can lead to an increased perception of effort and a decline in performance.

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Opioid-induced constipation (OIC) is a very common and troublesome gastrointestinal side effect following the use of opioids. Despite existing international guidelines, OIC is largely underdiagnosed and undertreated. ECHO OIC is a European project designed to improve the diagnosis and management of OIC at the primary care level.

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Unlabelled: We examined the effect of probenecid in regulating the ERK and JNK downstream MAPK pathways affecting respiratory syncytial virus replication.

Background: We have previously shown that probenecid inhibits RSV, influenza virus, and SARS-CoV-2 replication in vitro in preclinical animal models and in humans. In a Phase two randomized, placebo-controlled, single-blind, dose range-finding study using probenecid to treat non-hospitalized patients with symptomatic, mild-to-moderate COVID-19, we previously showed that a 1000 mg twice daily treatment for 5 days reduced the median time to viral clearance from 11 to 7 days, and a 500 mg twice daily treatment for 5 days reduced the time to viral clearance from 11 to 9 days more than the placebo.

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Assessing the Prognostic Value of Cytoplasmic and Stromal Caveolin-1 in Early Triple-Negative Breast Cancer Undergoing Neoadjuvant Chemotherapy.

Int J Mol Sci

November 2024

Medical Oncology Department, Catalan Institut of Oncology (ICO)-Badalona, B-ARGO (Badalona Applied Research Group in Oncology) and IGTP (Health Research Institute Germans Trias i Pujol), Universitat Autònoma de Barcelona, 08916 Badalona, Spain.

Triple-negative breast cancer (TNBC) is a highly aggressive subtype with limited therapeutic options, leading to higher relapse rates and mortality. Identifying prognostic biomarkers like caveolin-1 (CAV1) is crucial for personalized treatment. CAV1 influences tumor progression and chemotherapy response, particularly through its interaction with the tumor microenvironment (TME) and cancer metabolism.

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Aggressive Lymphoma after CD19 CAR T-Cell Therapy.

N Engl J Med

October 2024

From the Department of Hematology, Oncology and Clinical Immunology (G.K., B.-N.B., P.-M.B., N.L., A.R., M. Seifert, C.S., U.G., R.-P.C., K.N., P.J., T.U., S.D.), the Institute of Pathology (M. Seidel, I.E.), the Institute for Transplantation Diagnostics and Cellular Therapy (J.C.F., J.M.R.), the Departments of Nuclear Medicine (F.G.), Rheumatology (J.H.W.D.), and Neurology (S.G.M.), and the Hiller Research Center (J.H.W.D.), University Hospital Düsseldorf, the Center for Integrated Oncology, Aachen-Bonn-Cologne-Düsseldorf (G.K., B.-N.B., P.-M.B., N.L., A.R., M. Seifert, C.S., U.G., R.-P.C., K.N., P.J., T.U., S.D.), and the Department of Diagnostic and Interventional Radiology, University Düsseldorf (G.A.), Düsseldorf, Medical Department II, Hematology and Oncology (M.B., H.T.), and the Department of Pathology (I.I.), University Medical Center Schleswig-Holstein, Kiel, the Department of Hematology, Oncology and Cancer Immunology, Campus Virchow, Charité-Universitätsmedizin Berlin, Freie Universität Berlin and Humboldt-Universität zu Berlin (L.W., F.D.), Berlin Institute of Health, Charité Universitätsmedizin Berlin (S.Y., S.H.), and Berlin Institute for Medical Systems Biology, Max Delbrück Center for Molecular Medicine in the Helmholtz Association (S.Y., S.H.), Berlin, the Computational Oncology Group, Molecular Precision Oncology Program, National Center for Tumor Diseases Heidelberg (N.P.), the Innovation and Service Unit for Bioinformatics and Precision Medicine (D.H.), German Cancer Research Center, the European Molecular Biology Laboratory, Molecular Medicine Partnership Unit (D.F.), German Cancer Consortium (D.H., S.H., F.D.), the Pattern Recognition and Digital Medicine Group, Heidelberg Institute for Stem Cell Technology and Experimental Medicine (D.H.), the Medical Faculty of Heidelberg (J.L.) and the Department of Medicine V (S.D.), Heidelberg University, German Cancer Consortium, partner site Berlin, and German Cancer Research Center (S.H., F.D.), Heidelberg, the Department of Hematology and Medical Oncology, University Medical Center Göttingen, Göttingen (R.K.), and the Department of Internal Medicine I, University Hospital Aachen, RWTH Aachen University, Aachen (M.J.) - all in Germany; and Biomedical Research, Novartis (S.L., P.U.), and Novartis Pharma (H.D.M., H.J.M., J.G.) - both in Basel, Switzerland.

The development of a fatal, clonal, autonomously proliferating CD4-CD8- chimeric antigen receptor (CAR)+ peripheral T-cell lymphoma (PTCL) occurred 1 month after a patient received treatment with tisagenlecleucel for relapsed primary central nervous system lymphoma. The PTCL had a clonal T-cell receptor rearrangement, which was already detectable in the apheresis product for CAR T-cell manufacturing and 7 months earlier for autologous transplantation. Somatic and mutations in CD34+ stem cells and their progeny were detected in the PTCL, in the apheresis specimen that was obtained for CAR T-cell production, and in the autotransplant.

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Article Synopsis
  • The study addresses the challenge of enhancing the thermodynamic stability of metal complexes in water, which is essential for coordination chemistry applications.
  • A calix[6]arene macrocycle was synthesized, featuring three imidazole units and three amino legs, effectively coordinating a zinc cation in a neutral pH environment.
  • The unique ouroboros-like structure formed through this coordination not only increases stability and protection for the metal ion but also allows for selective functionalization of specific amino groups.
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Over 60% of women with endometriosis experience abdominopelvic pain and broader pain manifestations, including chronic back pain, fibromyalgia, chronic fatigue, vulvodynia, and migraine. Although the imbalance of proinflammatory mediators, including the complement component C5a, is associated with endometriosis-related pain, the mechanisms causing widespread pain and the C5a role remain unclear. Female mice and women with endometriosis exhibit increased plasma C5a levels and pain.

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Measuring Disease Progression in Multiple Sclerosis Clinical Drug Trials and Impact on Future Patient Care.

CNS Drugs

November 2024

Department of Neuroinflammation, Faculty of Brain Sciences, Queen Square Multiple Sclerosis Centre, University College London Queen Square Institute of Neurology, University College London, London, WC1B 5EH, UK.

Multiple sclerosis (MS) is a chronic immune-mediated disease of the central nervous system characterised by inflammation, demyelination and neurodegeneration. Although several drugs are approved for MS, their efficacy in progressive disease is modest. Addressing disease progression as a treatment goal in MS is challenging due to several factors.

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Safety And Efficacy of the Neuroform Atlas Stent for Treatment of Intracranial Aneurysms: A Systematic Review, Meta-Analysis and Meta-Regression.

AJNR Am J Neuroradiol

November 2024

From the Department of Medicine (U.A., Z.A.N., H.A., H.A., M.A.R., A.N., T.A.), Allama Iqbal Medical College, Lahore, Pakistan; Department of Medicine (S.A., A.S.), Fatima Memorial Hospital College of Medicine and Dentistry, Lahore, Pakistan; Department of Medicine (E.F.), Services Institute of Medical Sciences, Lahore, Pakistan; Department of Medicine (A.N., Z.M.), King Edward Medical University, Lahore, Pakistan; Department of Radiology (A.A.), Sir Ganga Ram Hospital, Lahore, Pakistan, and Department of Radiology and Radiological Sciences (M.S., J.M., F.D., L.P.L., N.H., V.S.Y.), Johns Hopkins University, Baltimore, Maryland, U.S.

Article Synopsis
  • Intracranial aneurysms (IAs) are a leading cause of subarachnoid hemorrhage, and using the Neuroform Atlas stent (NAS) with coiling is more effective than coiling alone for treatment.
  • The study conducted a systematic review and meta-analysis of 42 studies covering 2434 participants to evaluate the efficacy and safety of NAS, analyzing outcomes like aneurysm occlusion rates and related adverse events.
  • Results showed high occlusion success (95% overall), favorable modified Rankin Scale scores indicating good patient outcomes (93% mRS grade 0), and low adverse event rates (≤ 5%), though the study noted limitations in specific mortality data and the lack of comparative studies
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Objective: To evaluate the effectiveness of the preoperative ultrasound-based endometriosis staging system (UBESS) in anticipating the complexity of laparoscopic surgery for optimal patient counseling and treatment.

Design: A prospective observational cohort study.

Setting: A tertiary teaching hospital.

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Photoacoustic-Based Intra- and Peritumoral Radiomics Nomogram for the Preoperative Prediction of Expression of Ki-67 in Breast Malignancy.

Acad Radiol

November 2024

Department of Ultrasound, The Second Clinical Medical College, Jinan University (Shenzhen People's Hospital), Shenzhen 518020, Guangdong, China (Z.H., M.W., Y.K., G.L., H.T., H.W., J.Z., S.M., J.X., F.D.); The Second Clinical Medical College, Jinan University, Shenzhen 518020, China (Z.H., M.W., Y.K., G.L., H.T., H.W., J.Z., S.M., J.X., F.D.). Electronic address:

Rationale And Objectives: This study investigated the preoperative predictive efficiency of radiomics derived from photoacoustic (PA) imaging, integrated with the clinical features of Ki-67 expression in malignant breast cancer (BC), with a focus on both intratumoral and peritumoral regions.

Methods: This study involved 359 patients, divided into a training set (n = 251) and a testing set (n = 108). Radiomic features were extracted from intratumoral and peritumoral regions using PA imaging.

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Recent advances in 3D bioprinted polysaccharide hydrogels for biomedical applications: A comprehensive review.

Carbohydr Polym

January 2025

Université Libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium.

Article Synopsis
  • - Polysaccharide hydrogels are versatile bioinks for 3D bioprinting that mimic the extracellular matrix, promoting cell growth and differentiation, making them suitable for tissue engineering and regenerative medicine applications.
  • - This review covers the methods of creating these hydrogels, their properties, and their uses, particularly in drug delivery and developing tissues like bone and skin, as well as conducting disease modeling.
  • - Despite their potential, the review notes challenges in improving the chemical properties, printability, and long-term stability of polysaccharide hydrogels, which need to be addressed for better application outcomes.
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Characterising the transcriptomic response of bovine peripheral blood mononuclear cells to a mycobacterial cell wall fraction.

Mol Immunol

December 2024

CSIRO Agriculture and Food, Queensland Biosciences Precinct, 306 Carmody Rd, St Lucia, QLD 4067, Australia. Electronic address:

Background: Innate immune stimulants, including mycobacterium cell wall fractions (MCWF), offer an alternative control option to prevent and treat disease in livestock, by appropriately augmenting the innate immune response. However, the functional response to mycobacterium cell wall fractions in cattle is not well defined. In this study we report the transcriptomic response of bovine peripheral blood mononuclear cells to MCWF in the product Amplimune®.

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Targeting the aminopeptidase ERAP enhances antitumor immunity by disrupting the NKG2A-HLA-E inhibitory checkpoint.

Immunity

December 2024

Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA, USA; Center for Cancer Research, Massachusetts General Hospital, Boston, MA, USA; Department of Medicine, Massachusetts General Hospital, Boston, MA, USA. Electronic address:

The aminopeptidase, endoplasmic reticulum aminopeptidase 1 (ERAP1), trims peptides for loading into major histocompatibility complex class I (MHC class I), and loss of this activity has broad effects on the MHC class I peptidome. Here, we investigated the impact of targeting ERAP1 in immune checkpoint blockade (ICB), as MHC class I interactions mediate both activating and inhibitory functions in antitumor immunity. Loss of ERAP sensitized mouse tumor models to ICB, and this sensitivity depended on CD8 T cells and natural killer (NK) cells.

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Background: The EXCELLENT registry aimed to evaluate the effectiveness of the EMBOTRAP Revascularization Device in an all-comer population in a real-world setting, with a focus on the composition of retrieved clots.

Methods: EXCELLENT is a prospective, global registry of patients with acute ischemic stroke treated with EMBOTRAP as the first-line mechanical thrombectomy device conducted at 34 sites (25 sites contributing clot) from September 2018 to March 2021, utilizing core imaging and central histology laboratories blinded to clinical data, independent 90-day modified Rankin Scale assessment and Clinical Events Committee.

Results: After screening 3799 patients, a total of 997 subjects (mean age, 70.

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Understanding sex differences in the adolescent brain is crucial, as these differences are linked to neurological and psychiatric conditions that vary between males and females. Predicting sex from adolescent brain data may offer valuable insights into how these variations shape neurodevelopment. Recently, attention has shifted toward exploring socially-identified gender, distinct from sex assigned at birth, recognizing its additional explanatory power.

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Objectives: The purpose of this study was to investigate head kinematic variables in elite men's and women's rugby union and their ability to predict player removal for an off-field (HIA1) head injury assessment.

Methods: Instrumented mouthguard (iMG) data were collected for 250 men and 132 women from 1865 and 807 player-matches, respectively, and synchronised to video-coded match footage. Head peak resultant linear acceleration (PLA), peak resultant angular acceleration (PAA) and peak change in angular velocity (dPAV) were extracted from each head acceleration event (HAE).

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Background: Pulmonary arterial hypertension (PAH) is a severe disease characterized by elevated blood pressure in the pulmonary artery that can ultimately damage the right ventricle of the heart. PAH is pathophysiologically heterogeneous, which makes early diagnosis and treatment difficult. Inflammation is thought to be an important factor in the development and progression of this disease and may explain some of the observed interindividual differences.

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Rapid qualitative and quantitative detection for adulteration of Atractylodis Rhizoma using hyperspectral imaging combined with chemometric methods.

Spectrochim Acta A Mol Biomol Spectrosc

February 2025

State Key Laboratory for Quality Ensurance and Sustainable Use of Dao-di Herbs, National Resource Center for Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijng 100700, PR China; Research Center for Quality Evaluation of Dao-di Herbs, Ganjiang New District, 330000, China. Electronic address:

In the field of traditional Chinese medicine, Atractylodis Rhizoma (AR) is commonly used for various diseases due to its excellent ability to dry dampness and strengthen the spleen, especially popular in East Asia. The aim of this study is to proposed Hyperspectral Imaging (HSI) in combination with chemometric methods for the rapid qualitative and quantitative detection of AR adulteration with other types of powder. Partial Least Squares Discriminant Analysis (PLS-DA) was used to construct the classification models the best, with the First-order Derivative (F-D) preprocessing method.

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Foundation models for fast, label-free detection of glioma infiltration.

Nature

November 2024

Machine Learning in Neurosurgery Laboratory, Department of Neurosurgery, University of Michigan, Ann Arbor, MI, USA.

A critical challenge in glioma treatment is detecting tumour infiltration during surgery to achieve safe maximal resection. Unfortunately, safely resectable residual tumour is found in the majority of patients with glioma after surgery, causing early recurrence and decreased survival. Here we present FastGlioma, a visual foundation model for fast (<10 s) and accurate detection of glioma infiltration in fresh, unprocessed surgical tissue.

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Purpose: To determine the prevalence of spin in systematic reviews (SRs) and meta-analyses of clinical studies of the remplissage procedure.

Methods: Two reviewers independently performed a literature search of the PubMed, Scopus, and Embase databases using the search term "remplissage" in accordance with Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. The full article of each included SR was assessed for the presence of the 15 most common types of spin.

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Article Synopsis
  • The study aimed to differentiate multiple sclerosis (MS) from glaucoma using nerve fiber layer (NFL) thinning patterns in the eye.
  • Researchers analyzed NFL thickness in MS and glaucoma patients by measuring sector-specific reductions compared to normative values and created diagnostic indexes for evaluation.
  • Results indicated that MS showed significant thinning in the temporal sectors, while glaucoma showed thinning in inferior and superior sectors, with a specific index achieving high accuracy in differentiating the two diseases.
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Context: Adjuvant immune checkpoint inhibitors (ICIs) have recently emerged as guideline-recommended treatments of high-risk muscle-invasive urothelial carcinoma (MIUC). However, there is limited evidence regarding the optimal candidates and the differential efficacy of adjuvant ICI regimens.

Objective: To synthesize and compare the efficacy and safety of adjuvant ICIs for high-risk MIUC using updated data from phase III randomized controlled trials.

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