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03.01.2025

3D multiscale characterization of the human placenta: Bridging anatomy and histology by X-ray phase-contrast tomography

Authors Reichmann J, Schnurpfeil A, Mittelstädt S, Jensen PM, Dahl VA Dahl AB, Weide C, von Campenhausen E, Dejea H, Tafforeau P, Werlein C, Jonigk D, Ackermann M, Engel K, Gallwas J, Dietz A, Hasanov MF, Salditt T Journal PNAS Nexus Citation PNAS Nexus, Volume 4, Issue 1, January 2025,
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02.01.2025

Molecular basis of human nuclear and mitochondrial tRNA 3′-processing

Authors Bhatta A, Kuhle B, Yu RD, Spanaus L, Ditter K, Bohnsack KE, Hillen H Journal Nature Structural & Molecular Biology Citation Nat Struct Mol Biol (2025). Abstract Eukaryotic transfer RNA (tRNA) precursors undergo sequential processing steps to become mature tRNAs. In humans, ELAC2 carries out 3′ end processing of
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31.12.2024

A microscopy-based screen identifies cellular kinases modulating mitochondrial translation

Authors Yousefi R, Cruz-Zaragoza LD, Valpadashi A, Hansohn C, Dahal D, Richter-Dennerlein R, Rizzoli S, Urlaub H, Rehling P, Pacheu-Grau D Journal Cell Reports Citation Cell Rep, 44, 115143. Abstract Mitochondrial DNA encodes 13 subunits of the oxidative phosphorylation (OXPHOS) system, which are synthesized inside the organelle and essential for
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30.12.2024

Sparse chaos in cortical circuits

Authors Engelken R, Monteforte M, Wolf F   Journal Arxiv   Citation arXiv:2412.21188.   Abstract Nerve impulses, the currency of information flow in the brain, are generated by an instability of the neuronal membrane potential dynamics. Neuronal circuits exhibit collective chaos that appears essential for learning, memory, sensory processing, and
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25.12.2024

Cognitive decline and neuroinflammation in a mouse model of obesity: An accelerating role of ageing

Authors Rajput M, Malik IA, Methi A, Cortés Silva JA, Fey D, Wirths O, Fischer A, Wilting J, von Arnim CAF Journal Brain, Behavior, and Immunity Citation Brain Behav Immun. 2024 Dec 25:S0889-1591(24)00883-3. Abstract Obesity, a pandemic, worldwide afflicts almost one billion people. Obesity and ageing share several pathological pathways
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24.12.2024

Bridging the gap between presynaptic hair cell function and neural sound encoding

Authors Jaime Tobón LM, Moser T Journal eLife Citation Elife. 2024 Dec 24;12:RP93749. Abstract Neural diversity can expand the encoding capacity of a circuitry. A striking example of diverse structure and function is presented by the afferent synapses between inner hair cells (IHCs) and spiral ganglion neurons (SGNs) in the
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24.12.2024

CaBP1 and 2 enable sustained CaV1.3 calcium currents and synaptic transmission in inner hair cells

Authors Oestreicher D, Chepurwar S, Kusch K, Rankovic V, Jung S, Strenzke N, Pangrsic T Journal eLife Citation Elife. 2024 Dec 24;13:RP93646. Abstract To encode continuous sound stimuli, the inner hair cell (IHC) ribbon synapses utilize calcium-binding proteins (CaBPs), which reduce the inactivation of their CaV1.3 calcium channels. Mutations in
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23.12.2024

Global alignment and local curvature of microtubules in mouse fibroblasts are robust against perturbations of vimentin and actin

Authors Blob A, Ventzke D, Rölleke U, Nies G, Munk A, Schaedel L, Köster S   Journal Soft Matter   Citation Soft Matter, 2025, 21, 641-651.   Abstract The eukaryotic cytoskeleton is an intricate network of three types of mechanically distinct biopolymers — actin filaments, microtubules and intermediate filaments (IFs).
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23.12.2024

Efficient and sustained optogenetic control of sensory and cardiac systems

Authors Alekseev A, Hunniford V, Zerche M, Jeschke, M, El May F, Vavakou A, Siegenthaler D, Hueser MA, Kiehn SM, Garrido-Charles A, Meyer A, Rambousky A, Alvanos T, Witzke I, Rojas-Garcia KD, Draband M, Cyganek L, Klein E, Ruther P, Huet A, Trenholm S, Macé E, Kusch K, Bruegmann T,
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19.12.2024

An Analytically Solvable Model of Firing Rate Heterogeneity in Balanced State Networks

Authors Schmidt A, Hiemeyer P, Wolf F Journal Arxiv Citation arXiv:2305.13420. Abstract Distributions of neuronal activity within cortical circuits are often found to display highly skewed shapes with many neurons emitting action potentials at low or vanishing rates, while some are active at high rates. Theoretical studies were able to
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