2,357 results match your criteria: "Eberhard-Karls-University Tubingen[Affiliation]"

Behavioural modernity is dead: Long live behavioural modernity.

Behav Brain Sci

January 2025

Anthropology Department, University of Connecticut, Deep History Lab, Storrs, CT, USA.

Using Neanderthal symbolism, I extend on Stibbard-Hawkes to show that reconsidering the link between cognitive capacity and material culture extends beyond matters of preservation. A reconceptualization of behavioural modernity inclusive of both extant and extinct populations must begin with an honest theoretical separation of biological and behavioural modernity, which requires to critically engage with how we frame the underlying questions.

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Background: There is frequent academic exchange between Switzerland, Germany and Austria, facilitated by the common language. Additionally, the postgraduate training curricula in obstetrics and gynecology show some similarities. We aimed to compare self-perceived level of ability, availability of simulation training and teaching and feedback culture among residents in obstetrics and gynecology in Switzerland, Germany, and Austria.

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Multiparametric MRI is a promising technique for noninvasive structural and functional imaging of the kidneys that is gaining increasing importance in clinical research. Still, there are no standardized recommendations for analyzing the acquired images and there is a need to further evaluate the accuracy and repeatability of currently recommended MRI parameters. The aim of the study was to evaluate the test-retest repeatability of functional renal MRI parameters using different image analysis strategies.

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Background: Pediatric meningiomas (PMs) are rare central nervous system tumors, accounting for 1-5% of all meningiomas, and differ from adult meningiomas in clinical, histopathological, and molecular features. Current guidelines primarily focus on adults, leaving a gap in evidence-based management for PMs. This study presents the largest meta-analysis of longitudinal individual patient data (IPD) to date, addressing progression-free survival (PFS) and overall survival (OS) in pediatric patients.

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Development and validation of a molecular classifier of meningiomas.

Neuro Oncol

January 2025

MacFeeters Hamilton Neuro-Oncology Program, Princess Margaret Cancer Centre, University Health Network and University of Toronto, Toronto, ON, Canada.

Background: Meningiomas exhibit considerable clinical and biological heterogeneity. We previously identified four distinct molecular groups (immunogenic, NF2-wildtype, hypermetabolic, proliferative) that address much of this heterogeneity. Despite the utility of these groups, the stochasticity of clustering methods and the use of multi-omics data for discovery limits the potential for classifying prospective cases.

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Genome-wide CRISPR-Cas 9 screens identify BCL family members as modulators of response to regorafenib in experimental glioma.

Neuro Oncol

January 2025

Department of Neurology & Interdisciplinary Neuro-Oncology, University Hospital Tübingen, Hertie Institute for Clinical Brain Research, Eberhard Karls University Tübingen; Tübingen, Germany.

Background: Registered systemic treatment options for glioblastoma patients are limited. The phase II REGOMA trial suggested an improvement of median overall survival in progressive glioblastoma by the multi-tyrosine kinase inhibitor regorafenib. This has not been confirmed by GBM AGILE.

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The earliest named stromatolite Cryptozoon Hall, 1884 (Late Cambrian, ca. 490 Ma, eastern New York State), was recently re-interpreted as an interlayered microbial mat and non-spiculate (keratosan) sponge deposit. This "classic stromatolite" is prominent in a fundamental debate concerning the significance or even existence of non-spiculate sponges in carbonate rocks from the Neoproterozoic (Tonian) onwards.

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Ultraviolet (UV) hyperspectral imaging shows significant promise for the classification and quality assessment of raw cotton, a key material in the textile industry. This study evaluates the efficacy of UV hyperspectral imaging (225-408 nm) using two different light sources: xenon arc (XBO) and deuterium lamps, in comparison to NIR hyperspectral imaging. The aim is to determine which light source provides better differentiation between cotton types in UV hyperspectral imaging, as each interacts differently with the materials, potentially affecting imaging quality and classification accuracy.

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Impact of Particle Size and Sintering Temperature on Calcium Phosphate Gyroid Structure Scaffolds for Bone Tissue Engineering.

J Funct Biomater

November 2024

Siegfried Weller Research Institute, Department of Trauma and Reconstructive Surgery, Eberhard Karls University Tübingen, BG Trauma Center Tübingen, 72076 Tübingen, Germany.

Due to the chemical composition and structure of the target tissue, autologous bone grafting remains the gold standard for orthopedic applications worldwide. However, ongoing advancements in alternative grafting materials show that 3D-printed synthetic biomaterials offer many advantages. For instance, they provide high availability, have low clinical limitations, and can be designed with a chemical composition and structure comparable to the target tissue.

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Background: Historical prostate-specific antigen (PSA)-based screening studies reduced prostate cancer-related deaths but also led to overdiagnosis/overtreatment. Since then, opportunistic PSA testing has increased, and late-stage diagnoses and prostate-cancer related deaths are rising.

Objectives: To review current trends regarding PSA testing in primary care and propose a collaborative approach to improve early prostate cancer detection.

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Heterotopic ossification following severe radial head fractures: Clinical outcome and associated factors.

Jt Dis Relat Surg

January 2025

BG Unfallklinik Tübingen, Department of Traumatology and Reconstructive Surgery, Schnarrenbergstraße 95, 72076, Tübingen, Eberhard Karls University Tübingen, Tübingen, Germany.

Objectives: This study aimed to evaluate clinical outcome, prevalence, severity, location, range of motion, and possible risk factors of heterotopic ossification (HO) following severe radial head fractures.

Patients And Methods: In this retrospective study, 73 patients (40 males, 33 females; mean age: 51.4±15 years; range, 20 to 82 years) with Mason-Johnston type 3 and 4 radial head fractures were surgically treated with osteosynthesis or radial head arthroplasty (RHA) between September 2014 and February 2021.

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Probing the Protein Kinases' Cysteinome by Covalent Fragments.

Angew Chem Int Ed Engl

December 2024

Institute for Pharmaceutical Chemistry, Johann Wolfgang Goethe-University, Max-von-Laue-Str. 9, D-60438, Frankfurt am Main, Germany.

Protein kinases are important drug targets, yet specific inhibitors have been developed for only a fraction of the more than 500 human kinases. A major challenge in designing inhibitors for highly related kinases is selectivity. Unlike their non-covalent counterparts, covalent inhibitors offer the advantage of selectively targeting structurally similar kinases by modifying specific protein side chains, particularly non-conserved cysteines.

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VGLL-fusions define a new class of intraparenchymal CNS schwannoma.

Neuro Oncol

December 2024

Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt Universität zu Berlin, Institut für Neuropathologie, Charitéplatz 1, 10117 Berlin, Germany.

Background: Intracerebral schwannomas are rare tumors resembling their peripheral nerve sheath counterparts but localized in the CNS. They are not classified as a separate tumor type in the 2021 WHO classification. This study aimed to compile and characterize these rare neoplasms morphologically and molecularly.

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Article Synopsis
  • The study investigated cognitive impairments in cerebellar disorders and identified two subtypes of cerebellar cognitive affective syndrome (CCAS) using cluster analysis.
  • The German CCAS-Scale was utilized to assess 205 cerebellar patients and 200 controls, revealing one cluster with severe cognitive impairment and another with milder deficits that often overlapped with healthy controls.
  • Findings suggest that cognitive performance in cerebellar patients is influenced by both demographic factors and cluster assignment, indicating that the assessment tool may struggle to detect milder impairments.
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Background: Myelin oligodendrocyte glycoprotein 35-55 (MOG)-peptide induced experimental autoimmune encephalomyelitis (EAE) is a model for inflammation of the brain and spinal cord. However, its severity and incidence vary within and between laboratories. Severe scores can lead to premature termination and are both unnecessary for readouts and detrimental to animal welfare.

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Article Synopsis
  • Enfortumab vedotin (EV) is a new treatment option for patients with advanced urothelial carcinoma who haven't responded to other therapies.
  • A study involving 128 patients in Austria showed an objective response rate of 31%, with median progression-free survival of 4.8 months and overall survival of 10.75 months.
  • The treatment was found to be feasible and effective, with an acceptable safety profile, although lower efficacy was noted compared to earlier trials, likely due to the patient population being in later therapy lines.
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Background: Substandard and falsified (SF) medicines are a serious threat to public health in low- and middle-income countries (LMICs). Visual inspection of medicines and screening analysis using the Global Pharma Health Fund (GPHF)-Minilab are important in medicine quality surveillance in low-resource settings.

Methods: Recently, 260 medicine samples from Nigeria had been investigated for assay and dissolution according to the United States Pharmacopeia (USP).

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Treatment of Meibomian Gland Dysfunction by Classical Eyelid Hygiene Measures With and Without Additional Lipid Substitution for Tear Film Stabilization.

Eye Contact Lens

December 2024

Department of Ophthalmology (I.W., B.S.), Saarland University Medical Center (UKS), Homburg/Saar, Germany; Methods Center (A.K.), Eberhard Karls University Tübingen, Germany; and Praxis Prof. Dr. Dieter Dausch (D.D.), Amberg, Germany.

Objective: This study aimed to document the treatment success of eyelid hygiene with liposomal suspension using new diagnostic tools and to determine whether additional lipid substitution provided measurable benefits in meibomian gland dysfunction.

Methods: A single-center controlled, partially single masked study was conducted. Group A used eyelid hygiene only, whereas group B additionally applied a liposomal eye spray.

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There is an unmet need for a biomarker of liver fat. We identified dimethylguanidino valeric acid (DMGV) as a circulating biomarker of liver fat. Here, we assess its two isoforms-symmetric (SDGV) and asymmetric (ADGV)-as biomarkers of steatosis.

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The success of cellular immunotherapies such as chimeric antigen receptor (CAR) T cell therapy has led to their implementation as a revolutionary treatment option for cancer patients. However, the safe translation of such novel immunotherapies, from non-clinical assessment to first-in-human studies is still hampered by the lack of suitable and models recapitulating the complexity of the human immune system. Additionally, using cells derived from human healthy volunteers in such test systems may not adequately reflect the altered state of the patient's immune system thus potentially underestimating the risk of life-threatening conditions, such as cytokine release syndrome (CRS) following CAR T cell therapy.

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Article Synopsis
  • Humans struggle to see low-contrast objects during sudden changes in brightness, putting them at risk until their vision adapts.
  • A virtual reality simulation was developed to study how people detect low-contrast stimuli under different lighting conditions.
  • Results showed faster detection times when using self-tinting lenses during brightness decreases, indicating potential benefits for designing visual aids.
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We have identified a new inherited bone marrow (BM) failure syndrome with severe congenital neutropenia (CN) caused by autosomal recessive mutations in the coatomer protein complex I (COPI) subunit zeta 1 (COPZ1) gene. A stop-codon COPZ1 mutation and a missense mutation were found in three patients from two unrelated families. While two affected siblings with a stop-codon COPZ1 mutation suffered from congenital neutropenia (CN) that involves other hematological lineages, and non-hematological tissues, the patient with a missense COPZ1 mutation had isolated neutropenia.

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