59,305 results match your criteria: "Max Delbrück Center[Affiliation]"

Objectives: To compare thoracolumbar fascia (TLF) shear strain between individuals with and without nonspecific low back pain (NSLBP), investigate its correlation with symptoms, and assess a standardized massage technique's impact on TLF shear strain.

Methods: Participants were prospectively enrolled between February 2021 and June 2022. Pre- and post-intervention TLF ultrasound and pain/disability questionnaires were conducted.

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Given the rapid cross-country spread of SARS-CoV-2 and the resulting difficulty in tracking lineage spread, we investigated the potential of combining mobile service data and fine-granular metadata (such as postal codes and genomic data) to advance integrated genomic surveillance of the pandemic in the federal state of Thuringia, Germany. We sequenced over 6500 SARS-CoV-2 Alpha genomes (B.1.

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Background: Cancer immunotherapy has transformed metastatic cancer treatment, yet challenges persist regarding therapeutic efficacy. RECQL4, a RecQ-like helicase, plays a central role in DNA replication and repair as part of the DNA damage response, a pathway implicated in enhancing efficacy of immune checkpoint inhibitor (ICI) therapies. However, its role in patient response to ICI remains unclear.

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Background: Clinical trials support dronedarone use for atrial fibrillation (AF) following catheter ablation (CA); however, comparative data on health care resource utilization (HCRU) with other antiarrhythmic drugs are lacking.

Methods: Retrospective analysis of Merative MarketScan databases (January 01, 2012-March 31, 2020) comparatively assessed HCRU in US adults with AF who received dronedarone or sotalol post-CA. Patients with ≥ 12-months' pre-CA data were followed from post-CA index treatment to disenrollment, death, or study end.

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hnRNPA2B1 drives colorectal cancer progression via the circCDYL/EIF4A3/PHF8 axis.

Kaohsiung J Med Sci

January 2025

Department of Gastrointestinal Surgery Center, Weifang People's Hospital, Weifang, China.

The RNA-binding protein hnRNPA2B1 acts as an m6A reader and plays a role in tumor development. This study investigates the potential mechanism of hnRNPA2B1 in colorectal cancer (CRC) progression. The expression profiles of hnRNPA2B1, circCDYL, and PHF8 in CRC cell lines were analyzed.

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Background: Current diagnostic imaging modalities have limited ability to differentiate between malignant and benign pancreaticobiliary disease, and lack accuracy in detecting lymph node metastases. F-Prostate-Specific Membrane Antigen (PSMA) PET/CT is an imaging modality used for staging of prostate cancer, but has incidentally also identified PSMA-avid pancreatic lesions, histologically characterized as pancreatic ductal adenocarcinoma (PDAC). This phase I/II study aimed to assess the feasibility of F-PSMA PET/CT to detect PDAC.

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Association between traffic-related air pollution and risk of outpatient visits for dry eye disease in a megacity along the subtropical coast in South China.

BMC Public Health

January 2025

Department of Ophthalmology, Guangdong Eye Institute, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, 106 Zhongshan Er Road, Guangzhou, 510080, Guangdong, PR China.

Background: Traffic-related air pollution especially in highly socioeconomically developed megacity is usually considered as a severe problem leading to inevitable adverse health outcomes. This study aimed to investigate the associations between traffic-related air pollutants with risk of dry eye disease (DED) outpatient visits in a megacity (Guangzhou) along the subtropical coast in South China.

Methods: Daily data on DED outpatient visits and environmental variables from 1 January 2014 to 31 December 2020 in Guangzhou were obtained.

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Background: To assess the integrity of the developing nervous system, the Prechtl general movement assessment (GMA) is recognized for its clinical value in diagnosing neurological impairments in early infancy. GMA has been increasingly augmented through machine learning approaches intending to scale-up its application, circumvent costs in the training of human assessors and further standardize classification of spontaneous motor patterns. Available deep learning tools, all of which are based on single sensor modalities, are however still considerably inferior to that of well-trained human assessors.

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The pathological deposition of tau and amyloid-beta into insoluble amyloid fibrils are pathological hallmarks of Alzheimer's disease. Molecular chaperones are important cellular factors contributing to the regulation of tau misfolding and aggregation. Here we reveal an Hsp90-independent mechanism by which the co-chaperone p23 as well as a molecular complex formed by two co-chaperones, p23 and FKBP51, modulates tau aggregation.

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Background And Purpose: Prolonged venous transit (PVT), derived from computed tomography perfusion (CTP) time-to-maximum (T) maps, reflects compromised venous outflow (VO) in acute ischemic stroke due to large vessel occlusion (AIS-LVO). Poor VO is associated with worse clinical outcomes, but pre-treatment markers predictive of PVT are not well described.

Methods: We conducted a retrospective analysis of 189 patients with anterior circulation AIS-LVO who underwent baseline CT evaluation, including non-contrast CT, CT angiography, and CTP.

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SD-LayerNet: Robust and label-efficient retinal layer segmentation via anatomical priors.

Comput Methods Programs Biomed

January 2025

Christian Doppler Laboratory for Artificial Intelligence in Retina, Department of Ophthalmology and Optometry, Medical University of Vienna, Vienna, Austria; Institute of Artificial Intelligence, Center for Medical Data Science, Medical University of Vienna, Vienna, Austria.

Background And Objectives: Automated, anatomically coherent retinal layer segmentation in optical coherence tomography (OCT) is one of the most important components of retinal disease management. However, current methods rely on large amounts of labeled data, which can be difficult and expensive to obtain. In addition, these systems tend often propose anatomically impossible results, which undermines their clinical reliability.

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Estimating realized relatedness in free-ranging macaques by inferring identity-by-descent segments.

Proc Natl Acad Sci U S A

January 2025

Department of Primate Behavioral Ecology, Institute of Biology, Leipzig University, Leipzig 04103, Germany.

Biological relatedness is a key consideration in studies of behavior, population structure, and trait evolution. Except for parent-offspring dyads, pedigrees capture relatedness imperfectly. The number and length of identical-by-descent DNA segments (IBD) yield the most precise relatedness estimates.

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Retinal Changes After Acute and Late Optic Neuritis in Aquaporin-4 Antibody Seropositive NMOSD.

J Neuroophthalmol

December 2024

Experimental and Clinical Research Center (FCO, HGZ, SM, CB, ESA, CC, FP, AUB), Max Delbrück Center for Molecular Medicine and Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; NeuroCure Clinical Research Center (FCO, HGZ, SM, CB, ESA, CC, FP, AUB), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; Department of Neurology (AJG), University of California San Francisco, San Francisco, California; Neurology (RM, ACC), Multiple Sclerosis, Myelin Disorders and Neuroinflammation Pierre Wertheimer Neurological Hospital, Hospices Civils de Lyon, France; Centre d'Esclerosi Múltiple de Catalunya (Cemcat) (ACC), Department of Neurology/Neuroimmunology, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain; Experimental Neurophysiology Unit (LL, MP, M. Radaelli), Institute of Experimental Neurology (INSPE) Scientific Institute, Hospital San Raffaele and University Vita-Salute San Raffaele, Milan, Italy; Hospital Clinic of Barcelona-Institut d'Investigacions (PV, BS-D, EHM-L), Biomèdiques August Pi Sunyer, (IDIBAPS), Barcelona, Spain; CIEM MS Research Center (MAL-P, MAF), University of Minas Gerais, Medical School, Belo Horizonte, Brazil; Department of Neurology (OA, M. Ringelstein, PA), Medical Faculty, Heinrich Heine University Düsseldorf, Düsseldorf, Germany; Department of Neurology (M. Ringelstein), Centre for Neurology and Neuropsychiatry, LVR Klinikum, Heinrich Heine University Düsseldorf, Düsseldorf, Germany; Department of Medicine (MRY), Harbor-University of California at Los Angeles (UCLA) Medical Center, and Lundquist Institute for Biomedical Innovation, Torrance, California; Department of Medicine (MRY), David Geffen School of Medicine at UCLA, Los Angeles, California; Departments of Ophthalmology and Visual Sciences (TJS), Kellogg Eye Center, University of Michigan Medical School, Ann Arbor, Michigan; Division of Metabolism, Endocrine and Diabetes (TJS, LC), Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan; Department of Neurology (FP), Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany; and Department of Neurology (AUB), University of California, Irvine, California.

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Variations in wheat water requirement and climatic causes in arid regions of northwest China.

Environ Monit Assess

January 2025

School of Energy and Power Engineering, Xihua University, No. 9999 Hongguang Street, Chengdu, 610039, Sichuan Province, China.

Analysis of crop water requirement and its influencing factors are important for optimal allocation of water resources. However, research on variations of climatic factors and their contribution to wheat water requirement in Xinjiang is insufficient. In our study, daily meteorological data during 1961‒2017 in Xinjiang was collected.

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Optimal brain function is shaped by a combination of global information integration, facilitated by long-range connections, and local processing, which relies on short-range connections and underlying biological factors. With aging, anatomical connectivity undergoes significant deterioration, which affects the brain's overall function. Despite the structural loss, previous research has shown that normative patterns of functions remain intact across the lifespan, defined as the compensatory mechanism of the aging brain.

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Janus materials, a novel class of materials with two faces of different chemical compositions and electronic polarities, offer significant potential for various applications with catalytic reactions, chemical sensing, and optical or electronic responses. A key aspect for such functionalities is face-dependent electronic bipolarity, which is usually limited by the chemical distinction of terminated surfaces and has not been exploited in the semiconducting regime. Here, it is showed that a Janus and Kagome van der Waals (vdW) material NbTeI has ferroelectric-like coherent stacking of the Janus layers and hosts strong electronic bipolar states in the semiconducting regime.

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Identifying genetic differences between bipolar disorder and major depression through multiple genome-wide association analyses.

Br J Psychiatry

January 2025

Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, David Geffen School of Medicine, University of California Los Angeles, USA; Department of Human Genetics, University of California Los Angeles, USA; and Department of Computational Medicine, University of California Los Angeles, USA.

Background: Accurate diagnosis of bipolar disorder (BPD) is difficult in clinical practice, with an average delay between symptom onset and diagnosis of about 7 years. A depressive episode often precedes the first manic episode, making it difficult to distinguish BPD from unipolar major depressive disorder (MDD).

Aims: We use genome-wide association analyses (GWAS) to identify differential genetic factors and to develop predictors based on polygenic risk scores (PRS) that may aid early differential diagnosis.

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Excitation-inhibition (E/I) imbalance is theorized as a key mechanism in the pathophysiology of epilepsy, with ample research focusing on elucidating its cellular manifestations. However, few studies investigate E/I imbalance at the macroscale, whole-brain level, and its microcircuit-level mechanisms and clinical significance remain incompletely understood. Here, the Hurst exponent, an index of the E/I ratio, is computed from resting-state fMRI time series, and microcircuit parameters are simulated using biophysical models.

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Background: Obesity is a multifactorial disease reaching pandemic proportions with increasing healthcare costs, advocating the development of better prevention and treatment strategies. Previous research indicates that the gut microbiome plays an important role in metabolic, hormonal, and neuronal cross-talk underlying eating behavior. We therefore aim to examine the effects of prebiotic and neurocognitive behavioral interventions on food decision-making and to assay the underlying mechanisms in a Randomized Controlled Trial (RCT).

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Objective: The Eating Attitudes Test-26 (EAT-26) is considered the screening instrument of choice to identify eating disorders (ED) symptoms in clinical and community populations, showing a classical three-factor structure. This study assessed whether the factor structure of the EAT-26 in patients with ED was stable at admission and discharge from inpatient treatment.

Methods: We administered the EAT-26 to 207 female adolescents with ED at both admission and discharge.

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Triglyceride-glucose index: carotid intima-media thickness and cardiovascular risk in a European population.

Cardiovasc Diabetol

January 2025

Centro E. Grossi Paoletti, Dipartimento di Scienze Farmacologiche e Biomolecolari "Rodolfo Paoletti", Università degli Studi di Milano, Milano, Italy.

Background: The triglyceride-glucose (TyG) index is now widely recognized as a marker of insulin resistance and has been linked to the development and prognosis of atherosclerotic cardiovascular diseases (ASCVD) in numerous populations, particularly in the Eastern world. Although there are fewer reports from the Western world, and they are sometimes contradictory, the absence of definitive data on the relationship between a raised TyG index and cardiovascular risk suggested the opportunity of testing this biochemical marker against a well-established vascular marker such as the carotid intima media thickness (c-IMT).

Methods: Primary prevention patients were selected from a cohort of individuals who underwent c-IMT measurement between 1984 and 2018 at the Dyslipidemia Center at the ASST Grande Ospedale Metropolitano Niguarda in Milan, Italy.

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The shape of biological matter is central to cell function at different length scales and determines how cellular components recognize, interact and respond to one another. However, their shapes are often transient and hard to reprogramme. Here we construct a synthetic cell model composed of signal-responsive DNA nanorafts, biogenic pores and giant unilamellar vesicles (GUVs).

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Roles of acyl carrier proteins in ladderane fatty acid producing-organisms.

Biochim Biophys Acta Gen Subj

January 2025

Department of Biomolecular Mechanisms, Max Planck Institute for Medical Research, Jahnstrasse 29, D-69120 Heidelberg, Germany. Electronic address:

Ladderanes are highly strained hydrocarbons consisting of two or more linearly concatenated cyclobutane rings. Strikingly, ladderane moieties are part of unique fatty acids and fatty alcohols that are exclusively found in the membrane lipids of anaerobic ammonium-oxidizing (anammox) bacteria. These bacteria express a distinctive gene cluster (cluster I) that has been suggested to be responsible for ladderane fatty acid (FA) biosynthesis in addition to a cluster likely involved in canonical FA biosynthesis (cluster III).

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43 G > T polymorphism in the sucrase-isomaltase gene in the Chinese population prevents the glucose-lowering effect of acarbose.

Clin Biochem

January 2025

Clinical Medicine Research Center, Jiangxi Cancer Hospital & Institute (The Second Affiliated Hospital of Nanchang Medical College), Nanchang, China; Jiangxi Clinical Research Center for Cancer, China; Jiangxi Key Laboratory of Translational Research for Cancer, Nanchang, China. Electronic address:

Background: Acarbose is an α-glucosidase inhibitor widely used clinically for its significant hypoglycemic effect, albeit with inter-individual variations in response. The sucrase-isomaltase (SI) enzyme is the primary target of acarbose. This study aims to investigate the impact of genetic polymorphisms in the SI gene on the pharmacodynamics of acarbose.

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