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#2Matthew SimonH-Index: 5
Last. Fen Huang
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Summary null GRN mutations cause frontotemporal dementia (GRN-FTD) due to deficiency in progranulin (PGRN), a lysosomal and secreted protein with unclear function. Here, we found that Grn–/– mice exhibit a global deficiency in bis(monoacylglycero)phosphate (BMP), an endolysosomal phospholipid we identified as a pH-dependent PGRN interactor as well as a redox-sensitive enhancer of lysosomal proteolysis and lipolysis. Grn–/– brains also showed an age-dependent, secondary storage of glucocerebrosid...
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#1Tomohiro Kumon (UPenn: University of Pennsylvania)H-Index: 1
#2Jun Ma (UPenn: University of Pennsylvania)H-Index: 12
Last. Michael A. Lampson (UPenn: University of Pennsylvania)H-Index: 41
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Selfish centromere DNA sequences bias their transmission to the egg in female meiosis. Evolutionary theory suggests that centromere proteins evolve to suppress costs of this "centromere drive." In hybrid mouse models with genetically different maternal and paternal centromeres, selfish centromere DNA exploits a kinetochore pathway to recruit microtubule-destabilizing proteins that act as drive effectors. We show that such functional differences are suppressed by a parallel pathway for effector r...
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#1Karin Pelka (MIT: Massachusetts Institute of Technology)H-Index: 14
#2Matan Hofree (Broad Institute)H-Index: 21
Last. Katherine Xu (Harvard University)H-Index: 12
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Summary null Immune responses to cancer are highly variable, with mismatch repair-deficient (MMRd) tumors exhibiting more anti-tumor immunity than mismatch repair-proficient (MMRp) tumors. To understand the rules governing these varied responses, we transcriptionally profiled 371,223 cells from colorectal tumors and adjacent normal tissues of 28 MMRp and 34 MMRd individuals. Analysis of 88 cell subsets and their 204 associated gene expression programs revealed extensive transcriptional and spati...
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#1Cindy G. Boer (EUR: Erasmus University Rotterdam)H-Index: 13
Last. Maris Teder-Laving (UT: University of Tartu)H-Index: 11
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Summary null Osteoarthritis affects over 300 million people worldwide. Here, we conduct a genome-wide association study meta-analysis across 826,690 individuals (177,517 with osteoarthritis) and identify 100 independently associated risk variants across 11 osteoarthritis phenotypes, 52 of which have not been associated with the disease before. We report thumb and spine osteoarthritis risk variants and identify differences in genetic effects between weight-bearing and non-weight-bearing joints. W...
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#1Christopher D. Reinkemeier (University of Mainz)H-Index: 2
#2Edward A. Lemke (University of Mainz)H-Index: 42
Engineering new functionality into living eukaryotic systems by enzyme evolution or de novo protein design is a formidable challenge. Cells do not rely exclusively on DNA-based evolution to generate new functionality but often utilize membrane encapsulation or formation of membraneless organelles to separate distinct molecular processes that execute complex operations. Applying this principle and the concept of two-dimensional phase separation, we develop film-like synthetic organelles that supp...
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#1Justin D. TaftH-Index: 4
#1Justin Taft (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 5
Last. Grazia M.S. Mancini (Erasmus University Medical Center)H-Index: 56
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Summary null null TANK binding kinase 1 (TBK1) regulates IFN-I, NF-κB, and TNF-induced RIPK1-dependent cell death (RCD). In mice, biallelic loss of TBK1 is embryonically lethal. We discovered four humans, ages 32, 26, 7, and 8 from three unrelated consanguineous families with homozygous loss-of-function mutations in TBK1. All four patients suffer from chronic and systemic autoinflammation, but not severe viral infections. We demonstrate that TBK1 loss results in hypomorphic but sufficient IFN-I ...
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#1Kathryn R. Bowles (ISMMS: Icahn School of Medicine at Mount Sinai)H-Index: 7
#2M. Catarina Silva (Harvard University)H-Index: 11
Last. Kevin H. Strang (ISMMS: Icahn School of Medicine at Mount Sinai)
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Summary null null Frontotemporal dementia (FTD) because of MAPT mutation causes pathological accumulation of tau and glutamatergic cortical neuronal death by unknown mechanisms. We used human induced pluripotent stem cell (iPSC)-derived cerebral organoids expressing tau-V337M and isogenic corrected controls to discover early alterations because of the mutation that precede neurodegeneration. At 2 months, mutant organoids show upregulated expression of MAPT, glutamatergic signaling pathways, and ...
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#1Lauren E. Williamson (VUMC: Vanderbilt University Medical Center)H-Index: 5
#2Kristen M. Reeder (VUMC: Vanderbilt University Medical Center)
Last. Emma S. Winkler (WashU: Washington University in St. Louis)H-Index: 16
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Summary null null Alphaviruses cause severe arthritogenic or encephalitic disease. The E1 structural glycoprotein is highly conserved in these viruses and mediates viral fusion with host cells. However, the role of antibody responses to the E1 protein in immunity is poorly understood. We isolated E1-specific human monoclonal antibodies (mAbs) with diverse patterns of recognition for alphaviruses (ranging from Eastern equine encephalitis virus [EEEV]-specific to alphavirus cross-reactive) from su...
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#1Erik A. Karlsson (Pasteur Institute)H-Index: 25
#2Veasna Duong (Pasteur Institute)H-Index: 25
Since the detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in 2019, there has been a global hunt for the origin of the ongoing pandemic. Zhou et al. provide further evidence of coronavirus diversity, including four novel SARS-CoV-2-related viruses, in bat species in Yunnan province, China.
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#1Shanlin Liu (CAU: China Agricultural University)H-Index: 6
#2Michael V. Westbury (UCPH: University of Copenhagen)H-Index: 9
Last. Holly Heiniger (University of Adelaide)H-Index: 9
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Only five species of the once-diverse Rhinocerotidae remain, making the reconstruction of their evolutionary history a challenge to biologists since Darwin. We sequenced genomes from five rhinoceros species (three extinct and two living), which we compared to existing data from the remaining three living species and a range of outgroups. We identify an early divergence between extant African and Eurasian lineages, resolving a key debate regarding the phylogeny of extant rhinoceroses. This early ...
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