Cell Reports
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#1Jiqin Wu (CAS: Chinese Academy of Sciences)H-Index: 5
#2Haofeng Wang (TJU: Tianjin University)H-Index: 8
Last. Zihe Rao (ShanghaiTech University)H-Index: 76
view all 11 authors...
Remdesivir (RDV), a nucleotide analog with broad-spectrum features, has exhibited effectiveness in COVID-19 treatment. However, the precise working mechanism of RDV when targeting the viral RNA-dependent RNA polymerase (RdRP) has not been fully elucidated. Here, we solve a 3.0-A structure of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RdRP elongation complex (EC) and assess RDV intervention in polymerase elongation phase. Although RDV could induce an "i+3" delayed termination in...
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#1John M. Errico (WashU: Washington University in St. Louis)H-Index: 5
#2Haiyan Zhao (WashU: Washington University in St. Louis)H-Index: 15
Last. Pei Yong Shi (UTMB: University of Texas Medical Branch)H-Index: 95
view all 14 authors...
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has necessitated the rapid development of antibody-based therapies and vaccines as countermeasures. Here, we use cryoelectron microscopy (cryo-EM) to characterize two protective anti-SARS-CoV-2 murine monoclonal antibodies (mAbs) in complex with the spike protein, revealing similarities between epitopes targeted by human and murine B cells. The more neutralizing mAb, 2B04, binds the receptor-binding motif (RBM) of the rece...
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#4Bokyung Kim (Shriners Hospitals for Children)H-Index: 11
Summary null The function of poly(ADP-ribosyl) polymerase 1 (PARP1) in myelination and remyelination of the central nervous system (CNS) remains enigmatic. Here, we report that PARP1 is an intrinsic driver for oligodendroglial development and myelination. Genetic PARP1 depletion impairs the differentiation of oligodendrocyte progenitor cells (OPCs) into oligodendrocytes and impedes CNS myelination. Mechanistically, PARP1-mediated PARylation activity is not only necessary but also sufficient for ...
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#1François Kuonen (Stanford University)H-Index: 3
#2Nancy Yanzhe Li (Stanford University)H-Index: 1
Last. Anthony E. Oro (Stanford University)H-Index: 44
view all 9 authors...
Summary null null While squamous transdifferentiation within subpopulations of adenocarcinomas represents an important drug resistance problem, its underlying mechanism remains poorly understood. Here, using surface markers of resistant basal cell carcinomas (BCCs) and patient single-cell and bulk transcriptomic data, we uncover the dynamic roadmap of basal to squamous cell carcinoma transition (BST). Experimentally induced BST identifies activator protein 1 (AP-1) family members in regulating t...
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#1Lindsey D. Salay (Stanford University)H-Index: 1
#2Andrew D. Huberman (Stanford University)H-Index: 37
Summary null null Rapid alternations between exploration and defensive reactions require ongoing risk assessment. How visual cues and internal states flexibly modulate the selection of behaviors remains incompletely understood. Here, we show that the ventral lateral geniculate nucleus (vLGN)—a major retinorecipient structure—is a critical node in the network controlling defensive behaviors to visual threats. We find that vLGNGABA neuron activity scales with the intensity of environmental illumin...
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#1Jennifer L. Sanderson (University of Colorado Denver)H-Index: 19
#2Ronald K. Freund (University of Colorado Denver)H-Index: 21
Last. Mark L. Dell'Acqua (University of Colorado Denver)H-Index: 36
view all 4 authors...
Summary null null Regulated insertion and removal of postsynaptic AMPA glutamate receptors (AMPARs) mediates hippocampal long-term potentiation (LTP) and long-term depression (LTD) synaptic plasticity underlying learning and memory. In Alzheimer’s disease β-amyloid (Aβ) oligomers may impair learning and memory by altering AMPAR trafficking and LTP/LTD balance. Importantly, Ca2+-permeable AMPARs (CP-AMPARs) assembled from GluA1 subunits are excluded from hippocampal synapses basally but can be re...
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#1Max A. Stockslager (MIT: Massachusetts Institute of Technology)H-Index: 4
#2Seth Malinowski (Harvard University)H-Index: 3
Last. Keith L. LigonH-Index: 92
view all 11 authors...
Summary null null Functional precision medicine aims to match individual cancer patients to optimal treatment through ex vivo drug susceptibility testing on patient-derived cells. However, few functional diagnostic assays have been validated against patient outcomes at scale because of limitations of such assays. Here, we describe a high-throughput assay that detects subtle changes in the mass of individual drug-treated cancer cells as a surrogate biomarker for patient treatment response. To val...
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#1Achmed Mrestani (Leipzig University)H-Index: 2
#2Martin PauliH-Index: 5
Last. Manfred HeckmannH-Index: 22
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Summary null null Neurotransmitter release is stabilized by homeostatic plasticity. Presynaptic homeostatic potentiation (PHP) operates on timescales ranging from minute- to life-long adaptations and likely involves reorganization of presynaptic active zones (AZs). At Drosophila melanogaster neuromuscular junctions, earlier work ascribed AZ enlargement by incorporating more Bruchpilot (Brp) scaffold protein a role in PHP. We use localization microscopy (direct stochastic optical reconstruction m...
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#1Danyan Li (Yale University)
#2David H. Taylor (Yale University)
Last. Josien C. van Wolfswinkel (Yale University)
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Summary null null PIWI proteins are known as mediators of transposon silencing in animal germlines but are also found in adult pluripotent stem cells of highly regenerative animals, where they are essential for regeneration. Study of the nuclear PIWI protein SMEDWI-2 in the planarian somatic stem cell system reveals an intricate interplay between transposons and cell differentiation in which a subset of transposons is inevitably activated during cell differentiation, and the PIWI protein is requ...
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#1Ben ZhouH-Index: 15
#2Yu-Yao Zhang (Harvard University)H-Index: 2
Last. Alexander A. Soukas (Harvard University)H-Index: 20
view all 7 authors...
Summary null null A hallmark of type 2 diabetes (T2D) is hepatic resistance to insulin’s glucose-lowering effects. The serum- and glucocorticoid-regulated family of protein kinases (SGK) is activated downstream of mechanistic target of rapamycin complex 2 (mTORC2) in response to insulin in parallel to AKT. Surprisingly, despite an identical substrate recognition motif to AKT, which drives insulin sensitivity, pathological accumulation of SGK1 drives insulin resistance. Liver-specific Sgk1-knocko...
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