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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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07.06.2024

Establishing synthetic ribbon-type active zones in a heterologous expression system

Authors Kapoor R, Schwenzer N, Dresbach T, Lehnart S, Moser T Journal eLife Citation eLife 13:RP98254. Abstract Encoding of several sensory modalities into neural signals is mediated by ribbon synapses. The synaptic ribbon tethers synaptic vesicles at the presynaptic active zone (AZ) and might act as a super-scaffold organizing AZ
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29.05.2024

Intracellular mechanical fingerprint reveals cell type specific mechanical tuning

Authors Muenker TM, Vos BE, Betz T Journal eLife Citation eLife13:RP97416. Abstract Living cells are complex entities that perform many different complex tasks with astonishing robustness. While the direct dependence of biological processes on controlled protein expression is well established, we only begin to understand how intracellular mechanical characteristics guide
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28.11.2023

Boosting of neural circuit chaos at the onset of collective oscillations

Authors Palmigiano A, Engelken R, Wolf F Journal eLife Citation eLife 12:RP90378. Abstract Neuronal spiking activity in cortical circuits is often temporally structured by collective rhythms. Rhythmic activity has been hypothesized to regulate temporal coding and to mediate the flexible routing of information flow across the cortex. Spiking neuronal circuits,
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23.12.2022

Optogenetics and electron tomography for structure-function analysis of cochlear ribbon synapses

Authors Chakrabarti R, Jaime Tobón LM, Slitin L, Redondo-Canales M, Hoch G, Slashcheva M, Fritsch E, Bodensiek K, Özçete ÖD, Gültas M, Michanski S, Opazo F, Neef J, Pangrsic T, Moser T, Wichmann C Journal elife Citation Elife. 2022 Dec 23;11:e79494. Abstract RRibbon synapses of cochlear inner hair cells (IHCs)
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18.11.2022

Munc13 supports fusogenicity of non-docked vesicles at synapses with disrupted active zones

Authors Tan C, de Nola G, Qiao C, Imig C, Born RT, Brose N, Kaeser PS Journal eLife Citation eLife 11:e79077. Abstract Active zones consist of protein scaffolds that are tightly attached to the presynaptic plasma membrane. They dock and prime synaptic vesicles, couple them to voltage-gated Ca2+ channels, and
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27.05.2022

Oct4 differentially regulates chromatin opening and enhancer transcription in pluripotent stem cells

Authors Xiong L, Tolen EA, Choi J, Velychko S, Caizzi L, Velychko T, Adachi K, MacCarthy CM, Lidschreiber M, Cramer P, Schoeler HR Journal eLife Citation eLife 11:e71533. Abstract The transcription factor Oct4 is essential for the maintenance and induction of stem cell pluripotency, but its functional roles are not
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21.03.2022

Stage-specific control of oligodendrocyte survival and morphogenesis by TDP-43

Authors Heo D, Ling JP, Molina-Castro GC, Langseth AJ, Waisman A, Nave KA, Möbius W, Wong PC, Bergles DE Journal Elife Citation eLife. 2022 Mar 21;11:e75230. Abstract Generation of oligodendrocytes in the adult brain enables both adaptive changes in neural circuits and regeneration of myelin sheaths destroyed by injury, disease,
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23.02.2022

Environmental enrichment enhances patterning and remodeling of synaptic nanoarchitecture as revealed by STED nanoscopy

Authors Wegner W, Steffens H, Gregor C, Wolf F, Willig KI Journal Elife Citation eLife 2022;11:e73603. Abstract Synaptic plasticity underlies long-lasting structural and functional changes to brain circuitry and its experience-dependent remodeling can be fundamentally enhanced by environmental enrichment. It is however unknown, whether and how the environmental enrichment alters
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