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García-Prat, Perdiguero, Alonso-Martín et al. show that skeletal muscle contains a subpopulation of quiescent stem cells, maintained by FoxO signalling, that is preserved into late life but declines in advanced geriatric age.
Aharonov et al. use in vivo genetic approaches to show that ErBB2-mediated YAP activation initiates epithelial–mesenchymal transition-like processes and dedifferentiation of cardiomyocytes to drive heart regeneration.
Gao et al. identify a piRNA, CHAPIR, that targets the m6A methylation of PARP10 and promotes the GSK3β-induced accumulation of nuclear NFATC4, thereby modulating cardiac hypertrophy and heart function upon pressure overload.
LRRC31 links DNA repair and radiation efficacy Chen et al. perform a genome-wide CRIPSR screen and identify LRRC31, which interacts with Ku70/80 to suppress DNA repair and enhances the efficacy of radiation therapy in breast cancer brain metastasis.
Nakamura et al. find that the master transcriptional regulator of lysosomal biogenesis and autophagy TFEB is activated following LC3 lipidation during lysosomal damage and show the importance of this mechanism during kidney injury.
Lauria et al. show that SMN, the loss of which causes spinal muscular atrophy (SMA), preferentially positions ribosomes within the first five codons of SMA-related mRNAs and enhances their translation.
Moro et al. show that hypermethylation-induced silencing of the ubiquitin ligase FBXL7 rescues c-SRC from ubiquitin-mediated degradation and enhances epithelial-to-mesenchymal transition and metastasis.
Ilina et al. investigate the balance between cell adhesion and matrix density on patterns of collective breast cancer cell invasion using three-dimensional models of the extracellular matrix, in vivo imaging and in silico modelling
Gao et al. uncover p300-induced acetylation and HDAC2-mediated deacetylation of PD-L1, which modulate its nuclear translocation to affect the expression of immune genes and the efficacy of anti-PD-1 therapy.
Profiling phenotype switching in melanoma. Wouters et al. perform large-scale gene expression analysis in patient samples and identify transcriptional networks that modulate the intermediate cell state and ultimate mesenchymal switching in melanoma.
After lung injury, Kobayashi, Tata et al. find an intermediate cell state during the transition of alveolar type-2 into type-1 cells that is associated with senescence, controlled by TP53 and persists in fibrosis.
Vietri et al. show that the micronucleus fails to restrain ESCRT-III spreading due to its small size, resulting in aberrant accumulation of ESCRT-III to drive micronuclear collapse and DNA fragmentation.
Burton et al. show that H3K9me3 deposition catalysed by SUV39H2 and regulated by pericentromeric RNAs in the mouse paternal pronucleus does not suppress gene expression, but bookmarks promoters for compaction.
Sheikh et al. show that deficiency in the lysine acetyltransferase MOF causes aberrant accumulation of fatty acids in neural cells, which in turn triggers inflammation in nearby pericytes, resulting in brain haemorrhaging.
Roider et al. combine scRNA-seq and transcriptome-informed flow cytometry, and uncover transcriptionally different malignant subclones with distinct drug responses and T-cell profiles in B-cell non-Hodgkin lymphoma.
Dehapiot et al. show two actin networks at the cell surface in Drosophila embryos. While the pulsatile network controls local deformation, the Frl-dependent persistent network promotes force propagation.
Exon–intron-fused RAB22A regulates metastasis of osteosarcoma. Liao et al. show that protein products resulting from chromosomal translocations involving RAB22A mediate release of GTP-bound RhoA, induce its activation and promote lung metastasis of osteosarcoma.
Zhang et al. show that dynamin forms a helical structure with actin and, upon disruption, enhances branched actin polymerization, constituting a dynamic cycle to regulate actin cytoskeleton mechanical strength.
Boyle et al. show that ROCK upregulates PERK signalling in epithelia of breast cancer, thereby enhancing recruitment and function of cancer-associated fibroblasts through CRELD2 to promote tumourigenesis.
Yu, Zhou, Cao, He et al. show that BMP4 reconfigures the nuclear architecture during the transition from primed to naive pluripotency by targeting Zbtb7a and Zbtb7b, which encode proteins that mediate the opening of naive chromatin loci.
Dong, Hao, Zhang, Zhu, Cheng et al. use single-cell RNA sequencing to characterize 28 haematopoietic cell populations and subsequently follow the fate and kinetics of HSCs upon transplantation in the mouse.
Neagu, van Genderen and Escudero et al. show that simultaneous inhibition of WNT and MEK signalling maintains a naive-primed intermediate pluripotency state in vitro, which displays features of the mouse embryonic rosette.
Dawson et al. characterize a macrophage population associated with mammary ducts that are long lived, derive from embryonic precursors and have multiple roles in pregnancy, lactation, involution and cancer.
Lis1 regulates dynein activity. Three independent but complementary studies by the laboratories of Markus, Reck-Peterson and Yildiz identify a key role for Lis1 in modulating localization, activity and function of dynein in cells.
Targeting resistant stem cells in leukaemia, Perry et al. show that doxorubicin at low doses decreases Akt-mediated β-catenin activity, downregulates expression of multiple immune-checkpoint genes and dampens tumorigenesis of leukaemia stem cells.