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22.12.2020

Single-Cell Optical Action Potential Measurement in Human Induced Pluripotent Stem Cell-Derived Cardiomyocytes

Authors Seibertz F, Reynolds M, Voigt N Journal Journal of Visualized Experiments Citation J Vis Exp. 2020 Dec 22;(166). Abstract Conventional intracellular microelectrode techniques to quantify cardiomyocyte electrophysiology are extremely complex, labor intensive, and typically carried out in low throughput. Rapid and ongoing expansion of induced pluripotent stem cell (iPSC)
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21.12.2020

A sensory cell diversifies its output by varying Ca2+ influx-release coupling among active zones

Authors Özcete Ö, Moser T Journal EMBO Journal Citation EMBO J (2020)e106010. Abstract The cochlea encodes sound pressures varying over six orders of magnitude by collective operation of functionally diverse spiral ganglion neurons (SGNs). The mechanisms enabling this functional diversity remain elusive. Here, we asked whether the sound intensity information,
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21.12.2020

Cancer and Parkinson’s Disease: Common Targets, Emerging Hopes

Authors Filippou PS, Outeiro TF Journal Movement Disorders Citation Mov Disord. 2020 Dec 21. Abstract Cancer and neurodegeneration are two major leading causes of morbidity and death worldwide. At first sight, the two fields do not seem to share much in common and, if anything, might be placed on opposite
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21.12.2020

Recent advances in cochlear hair cell nanophysiology: subcellular compartmentalization of electrical signaling in compact sensory cells

Authors Effertz T, Moser T, Oliver D Journal Faculty Reviews Citation Faculty Reviews  2020, 9:24. Abstract In recent years, genetics, physiology, and structural biology have advanced into the molecular details of the sensory physiology of auditory hair cells. Inner hair cells (IHCs) and outer hair cells (OHCs) mediate two key
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16.12.2020

Small-molecule inhibitors of human mitochondrial DNA transcription

Authors Bonekamp NA, Peter B, Hillen HS, Felser A, Bergbrede T, Choidas A, Horn M, Unger A, Di Lucrezia R, Atanassov I, Li X, Koch U, Menninger S, Boros J, Habenberger P, Giavalisco P, Cramer P, Denzel MS, Nussbaumer P, Klebl B, Falkenberg M, Gustafsson CM, Larsson NG Journal Nature
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15.12.2020

Combined scanning small-angle X-ray scattering and holography probes multiple length scales in cell nuclei

Authors Wittmeier A, Cassini C, Töpperwien M, Denz M, Hagemann J, Osterhoff M, Salditt T, Köster S Journal Journal of Synchrotron Radiation Citation J Synchrotron Rad (2021) 28. Abstract X-rays are emerging as a complementary probe to visible-light photons and electrons for imaging biological cells. By exploiting their small wavelength
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10.12.2020

Multi-Color, Bleaching-Resistant Super-Resolution Optical Fluctuation Imaging with Oligonucleotide-based Exchangeable Fluorophores

Authors Glogger M, Spahn C, Enderlein J, Heilemann M Journal Angewandte Chemie (International Edition) Citation Angew Chem Int Ed Engl. 2020 Dec 10. Abstract Super‐resolution optical fluctuation imaging (SOFI) is a super‐resolution microscopy technique that overcomes the diffraction limit by analyzing intensity fluctuations of statistically independent emitters in a time
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09.12.2020

Post-Translational Modifications Soften Vimentin Intermediate Filaments

Authors Kraxner J, Lorenz C, Menzel J, Parfentev I, Silbern I, Denz M, Urlaub H, Schwappach B, Köster S Journal Nanoscale Citation Nanoscale. 2020 Dec 22. Abstract The mechanical properties of biological cells are determined by the cytoskeleton, a composite biopolymer network consisting of microtubules, actin filaments and intermediate filaments
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09.12.2020

Alpha-synuclein oligomerization and aggregation: a model will always be a model

Authors Outeiro TF Journal Journal of Neurochemistry Citation J Neurochem. 2020 Dec 9. Abstract Many different types of protein aggregates have attracted the minds and curiosity of countless armies of scientists, i.e., laboratories, in the world for more than 100 years. For example, it was in 1912 that F. Lewy
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09.12.2020

The evolution of the huntingtin-associated protein 40 (HAP40) in conjunction with huntingtin

Authors Seefelder M, Alva V, Huang B, Engler T, Baumeister W, Guo Q, Fernández-Busnadiego R, Lupas AN, Kochanek S Journal BMC Evolutionary Biology Citation BMC Evol Biol. 2020 Dec 9;20(1):162. Abstract Background The huntingtin-associated protein 40 (HAP40) abundantly interacts with huntingtin (HTT), the protein that is altered in Huntington’s disease
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