44,372 results match your criteria: " Germany; NMI Natural and Medical Sciences Institute at the University of Tuebingen[Affiliation]"

Background: Alzheimer's disease (AD) is a major neurodegenerative disorder with significant environmental factors, including diet and lifestyle, influencing its onset and progression. Although previous studies have suggested that certain diets may reduce the incidence of AD, the underlying mechanisms remain unclear.

Method: In this post-hoc analysis of a randomized crossover study of 20 elderly adults, we investigated the effects of a modified Mediterranean ketogenic diet (MMKD) on the plasma lipidome in the context of AD biomarkers, analyzing 784 lipid species across 47 classes using a targeted lipidomics platform.

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PROPEL (ATB200-03; NCT03729362) compared the efficacy and safety of cipaglucosidase alfa plus miglustat (cipa + mig), a two-component therapy for late-onset Pompe disease (LOPD), versus alglucosidase alfa plus placebo (alg + pbo). The primary endpoint was change in 6-min walk distance (6MWD) from baseline to week 52. During PROPEL, COVID-19 interrupted some planned study visits and assessment windows, leading to delayed visits, make-up assessments for patients who missed ≥ 3 successive infusions before planned assessments at weeks 38 and 52, and some advanced visits (end-of-study/early-termination visits).

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Mycoplasma (M.) hyosynoviae is a facultative pathogen, causing arthritis in finisher pigs world-wide. In the absence of a commercial vaccine improvement of housing conditions and antibiotic therapy are the only options to alleviate the clinical signs.

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Setting up a global SARS-CoV-2 surveillance system requires an understanding of how virus isolation and propagation practices, use of animal or human sera, and different neutralisation assay platforms influence assessment of SARS-CoV-2 antigenicity. In this study, with the contribution of 15 independent laboratories across all WHO regions, we carried out a controlled analysis of neutralisation assay platforms using the first WHO International Standard for antibodies to SARS-CoV-2 variants of concern (source: NIBSC). Live virus isolates (source: WHO BioHub or individual labs) or spike plasmids (individual labs) for pseudovirus production were used to perform neutralisation assays using the same serum panels.

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Detection of Hepatitis C Virus Infection from Patient Sera in Cell Culture Using Semi-Automated Image Analysis.

Viruses

November 2024

Department of Infectious Diseases, Molecular Virology, Section Virus-Host Interactions, Heidelberg University, 69120 Heidelberg, Germany.

The study of hepatitis C virus (HCV) replication in cell culture is mainly based on cloned viral isolates requiring adaptation for efficient replication in Huh7 hepatoma cells. The analysis of wild-type (WT) isolates was enabled by the expression of SEC14L2 and by inhibitors targeting deleterious host factors. Here, we aimed to optimize cell culture models to allow infection with HCV from patient sera.

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Riboflavin analogs lacking one methyl group (7α or 8α) can still serve as a surrogate for riboflavin in riboflavin-deficient microorganisms or animals. The absence of both methyl groups at once completely abolishes this substitution capability. To elucidate the molecular mechanisms behind this phenomenon, we performed an adaptive laboratory evolution experiment (in triplicate) on an strain auxotrophic for riboflavin.

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Ticagrelor, a reversible platelet P2Y receptor antagonist, exerts various pleiotropic actions, some of which are at least partially mediated through adenosine. We studied the ticagrelor and adenosine effect on the angiogenic properties of progenitor CD34-derived endothelial colony-forming cells (ECFCs). Angiogenesis studies were performed in vitro using capillary-like tube formation and spheroid-based angiogenesis assays.

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Background: Ampullary adenocarcinoma (AAC) typically presents at an early stage due to biliary obstruction and therefore might be specifically suitable for minimally invasive pancreatoduodenectomy (MIPD). However, studies assessing MIPD specifically for AAC, including the robotic and laparoscopic approach, are limited. The aim of this study is to compare short- and long-term oncological resection and perioperative outcomes of robotic (RPD), laparoscopic (LPD) and open pancreatoduodenectomy (OPD) performed specifically for AAC.

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Effective targeting of somatic cancer mutations to enhance the efficacy of cancer immunotherapy requires an individualized approach. Autogene cevumeran is a uridine messenger RNA lipoplex-based individualized neoantigen-specific immunotherapy designed from tumor-specific somatic mutation data obtained from tumor tissue of each individual patient to stimulate T cell responses against up to 20 neoantigens. This ongoing phase 1 study evaluated autogene cevumeran as monotherapy (n = 30) and in combination with atezolizumab (n = 183) in pretreated patients with advanced solid tumors.

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Inflammation is a dynamic process which importantly involves migration of immune cells. Understanding the onset, acute phase and resolution of inflammation is greatly facilitated by their imaging. However, immune cells are sensitive, difficult to genetically manipulate and prone to changes in response to contact, hindering the application of well-established cell labeling methods.

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Article Synopsis
  • Recent studies spotlight MBenes, a new type of two-dimensional material, but their production is still challenging.
  • Microcrystalline MoAlB was synthesized through a one-step gas-solid reaction at 450 °C, which can serve as a precursor for creating MoB MBenes.
  • This innovative method offers a more efficient, cost-effective way to produce layered materials, leading to uniform microcrystals and having promising implications for applications in catalysis and energy storage.
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Article Synopsis
  • Epicardial adipose tissue (EAT) is linked to atrial fibrillation (AF) and atrial fibrosis, but many AF patients show no signs of left atrial (LA) fibrosis. This study compared EAT levels in AF patients without LA fibrosis to matched controls without AF.
  • AF patients without LA fibrosis had significantly higher total and regional volumes of EAT compared to controls, indicating that EAT may play a role in AF development even when LA fibrosis is absent.
  • The study found no differences in EAT volumes between AF patients with and without LA fibrosis and no significant link between EAT volume and AF recurrence after catheter ablation.
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Background: In CARTITUDE-4, ciltacabtagene autoleucel (cilta-cel) significantly improved progression-free survival (primary endpoint; previously reported) versus standard of care in patients with relapsed, lenalidomide-refractory multiple myeloma. We report here patient-reported outcomes.

Methods: In the ongoing, phase 3, open-label CARTITUDE-4 study, patients were recruited from 81 sites in the USA, Europe, Asia, and Australia, and were randomly assigned 1:1 to cilta-cel (target, 0·75 × 10 CAR-T cells/kg) or standard of care (daratumumab, pomalidomide, and dexamethasone; pomalidomide, bortezomib, and dexamethasone).

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Extrinsic apoptotic network is driven by Death Ligand (DL)-mediated activation of procaspase-8. Recently, we have developed the first-in class small molecule, FLIPinB, which specifically targets the key regulator of extrinsic apoptosis, the protein c-FLIP, in the caspase-8/c-FLIP heterodimer. We have shown that FLIPinB enhances DL-induced caspase-8 activity and apoptosis.

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ZIC1 is a context-dependent medulloblastoma driver in the rhombic lip.

Nat Genet

January 2025

Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada.

Transcription factors are frequent cancer driver genes, exhibiting noted specificity based on the precise cell of origin. We demonstrate that ZIC1 exhibits loss-of-function (LOF) somatic events in group 4 (G4) medulloblastoma through recurrent point mutations, subchromosomal deletions and mono-allelic epigenetic repression (60% of G4 medulloblastoma). In contrast, highly similar SHH medulloblastoma exhibits distinct and diametrically opposed gain-of-function mutations and copy number gains (20% of SHH medulloblastoma).

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PSMA-PET/CT Findings in Patients With High-Risk Biochemically Recurrent Prostate Cancer With No Metastatic Disease by Conventional Imaging.

JAMA Netw Open

January 2025

Ahmanson Translational Theranostics Division, Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, University of California, Los Angeles.

Importance: The phase 3 randomized EMBARK trial evaluated enzalutamide with or without leuprolide in high-risk nonmetastatic hormone-sensitive prostate cancer. Eligibility relied on conventional imaging, which underdetects metastatic disease compared with prostate-specific membrane antigen-positron emission tomography (PSMA-PET).

Objective: To describe the staging information obtained by PSMA-PET/computed tomography (PSMA-PET/CT) in a patient cohort eligible for the EMBARK trial.

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Introduction: Renal cell carcinoma (RCC) is one of the most common types of urogenital cancer. The introduction of immune-based combinations, including dual immune-checkpoint inhibitors (ICI) or ICI plus tyrosine kinase inhibitors (TKIs), has radically changed the treatment landscape for metastatic RCC, showing varying efficacy across different prognostic groups based on the International Metastatic RCC Database Consortium (IMDC) criteria.

Materials And Methods: This retrospective multicenter study, part of the ARON-1 project, aimed to evaluate the outcomes of favorable-risk metastatic RCC patients treated with immune-based combinations or sunitinib.

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R(3780) Resonance Interpreted as the 1^{3}D_{1}-Wave Dominant State of Charmonium from Precise Measurements of the Cross Section of e^{+}e^{-}→Hadrons.

Phys Rev Lett

December 2024

State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.

We report the precise measurements of the cross section of e^{+}e^{-}→hadrons at center-of-mass energies from 3.645 to 3.871 GeV.

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The impact of combined heat and drought stress was investigated in and compared to individual stresses to reveal additive effects and interactions. A combination of plant metabolomics and root and rhizosphere bacterial metabarcoding were used to unravel effects at the plant holobiont level. Hierarchical cluster analysis of metabolomics signatures pointed out two main clusters, one including heat and combined heat and drought, and the second cluster that included the control and drought treatments.

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Chemical Probes for Investigating the Endocannabinoid System.

Curr Top Behav Neurosci

January 2025

Pharma Research and Early Development (pRED), Roche Innovation Center Basel, F. Hoffmann-La Roche Ltd, Basel, Switzerland.

Cannabis sativa has been used therapeutically since early civilizations, with key cannabinoids Δ-tetrahydrocannabinol (THC) 3.1 and cannabidiol characterized in the 1960s, leading to the discovery of cannabinoid receptors type 1 (CBR) and type 2 (CBR) and the endocannabinoid system (ECS) in the 1990s. The ECS, involving endogenous ligands like 2-arachidonoylglycerol (2-AG) 1.

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Article Synopsis
  • The study aimed to standardize qPCR procedures for diagnosing Mucorales by examining factors that influence DNA extraction and PCR amplification efficiency.
  • Two panels of samples were distributed to 26 laboratories, and results showed that using larger serum volumes for DNA extraction and larger input volumes for PCR significantly improved detection sensitivity.
  • Findings highlight the importance of optimizing laboratory techniques to enhance diagnosis of Mucormycosis, a serious fungal infection, which is critical for timely treatment in vulnerable patients.
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ESAIC focused guidelines for the management of the failing epidural during labour epidural analgesia.

Eur J Anaesthesiol

February 2025

From the Servicio de Anestesia y Reanimación, Hospital Universitario Gregorio Marañón, Calle de O'Donnell, 48, 28009 Madrid, Madrid, Spain (NB), the Servicio de Anestesia, Hospital Universitario Sanitas La Zarzuela, Madrid, c/ Pleyades, 25, 28023 Madrid, Spain (NB), the Servicio de Anestesia y Reanimación, Hospital Universitario La Paz, Madrid, P° de la Castellana, 261, 28046 Madrid, Spain (IVG), the Department of Paediatric and Obstetric Anaesthesiology, Juliane Marie Centre, Rigshospitalet & Institute of Clinical Medicine, University Hospital of Copenhagen, Copenhagen, Denmark (AA, KL), the University Hospital Würzburg, Department of Anaesthesiology, Intensive Care, Emergency and Pain Medicine, Würzburg, Germany (PK, SR), the Division of Anesthesia Critical Care and Pain, Tel Aviv Sourasky Medical Center affiliated with the Faculty of Medicine and Health Sciences, Tel Aviv University, Tel Aviv Israel (CFW), the London North West NHS University Trust, Watford Road, London, UK HA1 3UJ (NL), the Department of Anesthesia & Intensive Care Medicine, Liège University Hospital, Belgium (PYD), the Servicio de Anestesia y Reanimación. Hospital Universitario Fundación Jiménez Díaz. Av. de los Reyes Católicos, 2. 28040 Madrid. Spain (EGA), the Department of Anesthesiology, Perioperative Medicine and Pain Treatment, Shaare Zedek Medical Center, Hebrew University, Shmuel Beyth St 12, Jerusalem, 9103102 Israel (AI), the Department of Anesthesia and Intensive Care, Akademiska Sjukhuset, Sjukhusvägen, 75185, Uppsala, Sweden (AK), the Department of Anesthesia, Beilinson Hospital, Petach Tikvah, Israel affiliated with Tel Aviv University Medical School (SOZ), the Department of Anaesthesiology, Wilhelmina Children's Hospital, University Medical Centre Utrecht, Utrecht, the Netherlands (OvdB), the Department of Cardiovascular Sciences, KU Leuven, and Department of Anaesthesiology, UZ Leuven, Belgium (MvdV), the Department of Anaesthesia, Intensive Care and Pain Medicine, University General Hospital of Valencia, Methodology Department, European University of Valencia, Valencia, Spain (CSR).

Background: Labour epidural analgesia reportedly fails in up to 10 to 25% of cases. A joint taskforce of European Society of Anaesthesiology and Intensive Care (ESAIC) experts was created to develop this focused guideline on the management of failing epidural analgesia in a previously well functioning epidural catheter.

Design: Six clinical questions were defined using a PICO (Population/Intervention/Comparison/Outcome) strategy to conduct a systematic literature search.

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Developing Gingerol-Based Analogs against Infections.

ACS Omega

December 2024

College of Pharmacy, Korea University, 2511 Sejong-ro, Sejong 30019, Republic of Korea.

(), a Gram-negative opportunistic pathogen, produces virulent factors and forms biofilms through a quorum sensing (QS) mechanism. Modulating QS networks is considered an effective strategy for treating infections. Particularly, the system, one of the QS networks, can be a potential target in treating patients with chronic infections.

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Binding of glyphosate (PMG) to metal (hydr)oxides controls its availability and mobility in natural waters and soils, and these minerals are often suggested for the removal of PMG from wastewaters. However, a solid mechanistic and quantitative description of the adsorption behavior and surface speciation on these surfaces is still lacking, while it is essential for understanding PMG behavior in aquatic and terrestrial systems. This study gives new insights through advanced surface complexation modeling of new and previously published adsorption data, supplemented with MO/DFT calculations of the geometry, thermochemistry and theoretical infrared (IR) spectra of the surface complexes.

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