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Martin-Luther-University[Affiliation] Publications | LitMetric

11,828 results match your criteria: "Martin-Luther-University[Affiliation]"

Purpose: The reduced cardiorespiratory fitness (CRF) and functional capacity following surgical procedures and during cancer treatments is a major risk factor for morbidity and mortality among patients with cancer. We aimed to assess the impact of endurance and combined resistance exercise interventions during the postoperative rehabilitation period for patients with colorectal, breast, and prostate cancer.

Methods: A systematic search was conducted in MEDLINE Pubmed, Web of Science, and Cochrane Library until October 2023 for randomized controlled trials that assessed exercise interventions (aerobic/endurance; resistance or combined training) on postoperative patients with cancer.

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Background: Sense of coherence (SOC) is a disposition to perceive things as comprehensible, manageable and meaningful. Lower SOC is associated with subjective burden and psychological morbidity in family caregivers, including in dementia. However, the evidence-base mainly comprises small-scale or cross-sectional studies.

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Background: We aimed to investigate the prognostic role of β-synuclein in comparison to that of neurofilament light chain (NfL) and glial fibrillary acidic protein (GFAP) for predicting functional outcome after acute ischemic stroke (AIS).

Methods: We measured serum concentrations of β-synuclein, NfL and GFAP 24 h after hospital admission in 213 consecutive patients with moderate-to-severe AIS. We investigated the association between serum biomarkers and radiological/clinical characteristics, 3-months mortality and functional outcome on the modified Rankin Scale (mRS).

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Sexual problems relevant to psychotherapy, such as compulsive sexual behavior (CSB) and sexual functioning problems (SFP), have been related to harmful substance use in several studies. Substance use is prevalent among medical students (MS) and is often considered a maladaptive coping strategy for stress, as well as a risk factor for mental health issues. Sexual problems and substance use share trauma exposure and post-traumatic symptoms as risk factors for their development.

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Built-in selection or confounder bias? Dynamic Landmarking in matched propensity score analyses.

BMC Med Res Methodol

December 2024

German Diabetes Center, Leibniz Center for Diabetes Research, Institute for Biometrics and Epidemiology, Heinrich-Heine-University Düsseldorf, Düsseldorf, Germany.

Background: Propensity score matching has become a popular method for estimating causal treatment effects in non-randomized studies. However, for time-to-event outcomes, the estimation of hazard ratios based on propensity scores can be challenging if omitted or unobserved covariates are present. Not accounting for such covariates could lead to treatment estimates, differing from the estimate of interest.

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In this present work, we describe the syntheses of a new series of 32 1H-indole-based-meldrum linked 1H-1,2,3-triazole derivatives (2-13, 15a-15f, 16a-16f, 17a-17f and 19a, 19b, 20a), which constitute a new class of 1H-1,2,3-triazoles. Compounds 15a-15f, 16a-16f, 17a-17f have been prepared by employing "click" reactions between substituted 1H-indole-based meldrum alkynes (11, 12 and 13) and substituted aromatic azides (14a-14f) in the presence of copper iodide (CuI) and Hünig's base. Then, the synthesis of compounds 19, 20 through decomposition of meldrum moiety.

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Background: People with multiple sclerosis (PwMS) experience various degrees of cognitive impairment (CI). Synaptic dysfunction may contribute to CI in PwMS but cerebrospinal fluid (CSF) synaptic biomarkers are unexplored in MS.

Objective: To assess the role of CSF synaptosomal-associated protein 25 (SNAP-25), β-synuclein, neurogranin and neurofilament light chain protein (NfL) in patients with early relapsing MS with and without CI.

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Background: Recent studies suggest a contribution of intrahepatic mineralocorticoid receptor (MR) activation to the development of cirrhosis. As MR blockade abrogates the development of cirrhosis and hypoxia, common during the development of cirrhosis, can activate MR in hepatocytes. But, the impact of non-physiological hepatic MR activation is unknown.

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Dissection of RET p.M918T-driven progression of hereditary vs. sporadic medullary thyroid cancer.

Eur J Surg Oncol

December 2024

Medical Faculty, Department of Visceral, Vascular and Endocrine Surgery, Martin Luther University Halle-Wittenberg, Ernst-Grube-Str. 40, D-06097, Halle (Saale), Germany; Department of General, Visceral and Transplantation Surgery, Division of Endocrine Surgery, University of Duisburg-Essen, D-45122, Essen, Germany.

Background: Whether inherited in the context of multiple endocrine neoplasia 2B at germline level or acquired in a lifetime, all RET p.M918T (RET c.2753T>C) mutations should activate the RET tyrosine kinase receptor alike, with similar degrees of medullary thyroid cancer (MTC) progression when disparities in disease onset and multifocal growth are accounted for.

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Intron retention of an adhesion GPCR generates 1TM isoforms required for 7TM-GPCR function.

Cell Rep

December 2024

Rudolf Schönheimer Institute of Biochemistry, Division of General Biochemistry, Medical Faculty, Leipzig University, 04103 Leipzig, Germany. Electronic address:

Adhesion G protein-coupled receptors (aGPCRs) are expressed in all organs and are involved in various mechanobiological processes. They are heavily alternatively spliced, forecasting an extraordinary molecular structural diversity. Here, we uncovered the existence of unconventional single-transmembrane (1TM)-containing ADGRL/Cirl proteins devoid of the conventional GPCR layout (i.

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Among childhood cancer survivors, the cumulative incidence rate of differentiated thyroid carcinomas (DTCs) is estimated to be 8-11%. Although the association of DTC with prior radiotherapy is well-studied, the association with chemotherapy remains less understood. Most studies focused on young adults, leaving a knowledge gap on subsequent DTC occurring in childhood and adolescence.

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A Comparative Pharmacokinetics Study of Orally and Intranasally Administered 8-Nitro-1,3-benzothiazin-4-one (BTZ043) Amorphous Drug Nanoparticles.

ACS Pharmacol Transl Sci

December 2024

Department of Pharmaceutical Sciences, Division of Pharmaceutical Technology and Biopharmaceutics, University of Vienna, Josef-Holaubek-Platz 2, 1090 Vienna, Austria.

BTZ043 is an 8-nitro-1,3-benzothiazin-4-one with potency against multidrug-resistant . Low solubility and hepatic metabolism are linked to poor oral bioavailability. Amorphous drug nanoparticles (ADN) were formulated to improve the bioavailability.

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Understanding crystallization behavior is integral to the design of pharmaceutical compounds for which the pharmacological properties depend on the crystal forms achieved. Very often, these crystals are based on hydrophobic molecules. One method for delivering crystal-forming hydrophobic drugs is by means of lipid nanoparticle carriers.

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It is generally accepted that a weakening of the North Atlantic thermohaline circulation caused the Younger Dryas cooling. Although the role of seasonality was emphasized previously, this aspect is rarely considered yet, and it remains elusive how this impacted hydroclimate during winters and summers across Central Europe. Here, we coupled biomarker-based δO and δH from Bergsee in southern Germany to reconstruct deuterium excess as a proxy for evaporation history from the Bølling-Allerød to the Preboreal.

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Feasibility of implementing a decision aid for advanced cancer patients in a comprehensive cancer centers' outpatient setting: Valuable lessons learned.

Cancer Med

December 2024

Department of Medical Oncology, Medical Faculty Heidelberg, Section Translational Medical Ethics, National Center for Tumor Diseases, NCT Heidelberg, a partnership between DKFZ and Heidelberg University Hospital, Heidelberg University, Heidelberg, Germany.

Background: Decision aids (DAs) have been proposed as tools to empower patients in decision-making. However, implementing DA for decisions in advanced cancer is challenging. This study focuses on perspectives of oncologists and other healthcare providers on the hindering and facilitating factors for implementing a customizable DA.

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Barley2035: A decade vision on barley research and breeding.

Mol Plant

December 2024

Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), Seeland 06466, Germany; Crop Plant Genetics, Institute of Agricultural and Nutritional Sciences, Martin-Luther-University of Halle-Wittenberg, Halle (Saale), Germany. Electronic address:

Barley (Hordeum vulgare ssp. vulgare) is one of the oldest founder crops in early human civilization, and has been widely dispersed around the globe to supply human life through livestock feeding and brewing industries. It has been used in innovative research of cytogenetics, biochemistry, and genetics since the early half of the 20 century, facilitated by its mode of reproduction through self-pollination, its true diploid status which has contributed to the accumulation of a plethora of germplasm and mutant resources.

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MS -Pushing the Limits for Biomolecular Mass Spectrometry.

J Am Soc Mass Spectrom

December 2024

Institute of Physical and Theoretical Chemistry, Goethe-University Frankfurt, 60438 Frankfurt am Main, Germany.

Electrospray mass spectrometry has become indispensable in many disciplines including the classic "omics" techniques such as proteomics or lipidomics, as well as other life science applications in molecular, cellular, and structural biology. However, a limiting factor that often arises for the detection of biomolecular analytes is their poor ionization efficiency in the ion source. Here, we present an add-on device for the electrospray source, termed MS (MS Spectral Impurity Eliminator & Value Enhancer), which is placed between the electrospray needle and the cone of the mass spectrometer.

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Low income, being without employment, and living alone: how they are associated with cognitive functioning-Results from the German national cohort (NAKO).

Neuropsychol Dev Cogn B Aging Neuropsychol Cogn

December 2024

Institute of Social Medicine, Occupational Health and Public Health (ISAP), Medical Faculty, University of Leipzig, Leipzig, Germany.

Aim was to investigate to what extent cognitive functioning differs by three socioeconomic conditions: low income, being without employment, and living alone. A total of N = 158,144 participants of the population-based German National Cohort (NAKO) provided data on socioeconomic conditions and completed cognitive tests. Multivariable confounder-adjusted regression analyses indicated that cognitive functioning was lower in those with low income (b = -0.

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Benefits and harms associated with the use of AI-related algorithmic decision-making systems by healthcare professionals: a systematic review.

Lancet Reg Health Eur

January 2025

Harding Center for Risk Literacy, Faculty of Health Sciences Brandenburg, University of Potsdam, Virchowstr. 2, Potsdam 14482, Germany.

Background: Despite notable advancements in artificial intelligence (AI) that enable complex systems to perform certain tasks more accurately than medical experts, the impact on patient-relevant outcomes remains uncertain. To address this gap, this systematic review assesses the benefits and harms associated with AI-related algorithmic decision-making (ADM) systems used by healthcare professionals, compared to standard care.

Methods: In accordance with the PRISMA guidelines, we included interventional and observational studies published as peer-reviewed full-text articles that met the following criteria: human patients; interventions involving algorithmic decision-making systems, developed with and/or utilizing machine learning (ML); and outcomes describing patient-relevant benefits and harms that directly affect health and quality of life, such as mortality and morbidity.

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Aim: To evaluate the predictive value of preoperative echocardiographic parameters for occurrence of VAs in patients with preexisting ICD undergoing LVAD implantation.

Methods And Results: All consecutive patients (n = 264) with previous ICD who underwent LVAD surgery between May 2011 and December 2019 at our institution were included. The patients were predominantly male (89%) with NICM (59%) and a mean age of 59 ± 10 years.

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Background/objectives: Hypertension is often asymptomatic, progresses slowly, and leads to multiple secondary diseases. Thus, a regular blood pressure check is recommended. The objective of this study is to assess the intention to undergo a blood pressure check and its associated factors among adults in Southwest Shewa Zone, Ethiopia.

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Local anesthetics are commonly used in ophthalmic surgery. However, their use can affect the healing process. This study aimed to investigate the potential impact of anesthetic substances at clinically relevant concentrations and incubation times (3 min), specifically oxybuprocaine (OBPC, 0.

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Histological slides contain numerous artifacts that can significantly deteriorate the performance of image analysis algorithms. Here we develop the GrandQC tool for tissue and multi-class artifact segmentation. GrandQC allows for high-precision tissue segmentation (Dice score 0.

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In the realm of infectious disease control, accurate modeling of the transmission dynamics is pivotal. As human mobility and commuting patterns are key components of communicable disease spread, we introduce a novel travel time aware metapopulation model. Our model aims to enhance estimations of disease transmission.

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