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Nature Cell Biology

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https://www.readbyqxmd.com/read/30602726/chromatin-regulatory-mechanisms-and-therapeutic-opportunities-in-cancer
#1
REVIEW
Alfredo M Valencia, Cigall Kadoch
Research over the past several decades has unmasked a major contribution of disrupted chromatin regulatory processes to human disease, particularly cancer. Advances in genome-wide technologies have highlighted frequent mutations in genes encoding chromatin-associated proteins, identified unexpected synthetic lethal opportunities and enabled increasingly comprehensive structural and functional dissection. Here, we review recent progress in our understanding of oncogenic mechanisms at each level of chromatin organization and regulation, and discuss new strategies towards therapeutic intervention...
January 2, 2019: Nature Cell Biology
https://www.readbyqxmd.com/read/30602725/the-lysosome-as-a-cellular-centre-for-signalling-metabolism-and-quality-control
#2
REVIEW
Rosalie E Lawrence, Roberto Zoncu
Long known as terminal degradation stations, lysosomes have emerged as sophisticated signalling centres that govern cell growth, division and differentiation. Lysosomes interface physically and functionally with other organelles, and the master regulator mechanistic target of rapamycin complex 1 kinase is activated on lysosomes in response to nutrient and growth factor inputs. Lysosomes also enable autophagy, a 'self-eating' process essential for quality control and stress adaptation. Faulty execution of lysosomal growth and catabolic programmes drives cancer, neurodegeneration and age-related diseases...
January 2, 2019: Nature Cell Biology
https://www.readbyqxmd.com/read/30602724/intergenerational-and-transgenerational-epigenetic-inheritance-in-animals
#3
REVIEW
Marcos Francisco Perez, Ben Lehner
Animals transmit not only DNA but also other molecules, such as RNA, proteins and metabolites, to their progeny via gametes. It is currently unclear to what extent these molecules convey information between generations and whether this information changes according to their physiological state and environment. Here, we review recent work on the molecular mechanisms by which 'epigenetic' information is transmitted between generations over different timescales, and the importance of this information for development and physiology...
January 2, 2019: Nature Cell Biology
https://www.readbyqxmd.com/read/30602723/integrin-trafficking-in-cells-and-tissues
#4
REVIEW
Paulina Moreno-Layseca, Jaroslav Icha, Hellyeh Hamidi, Johanna Ivaska
Cell adhesion to the extracellular matrix is fundamental to metazoan multicellularity and is accomplished primarily through the integrin family of cell-surface receptors. Integrins are internalized and enter the endocytic-exocytic pathway before being recycled back to the plasma membrane. The trafficking of this extensive protein family is regulated in multiple context-dependent ways to modulate integrin function in the cell. Here, we discuss recent advances in understanding the mechanisms and cellular roles of integrin endocytic trafficking...
January 2, 2019: Nature Cell Biology
https://www.readbyqxmd.com/read/30598531/chemotherapy-elicits-pro-metastatic-extracellular-vesicles-in-breast-cancer-models
#5
Ioanna Keklikoglou, Chiara Cianciaruso, Esra Güç, Mario Leonardo Squadrito, Laura M Spring, Simon Tazzyman, Lore Lambein, Amanda Poissonnier, Gino B Ferraro, Caroline Baer, Antonino Cassará, Alan Guichard, M Luisa Iruela-Arispe, Claire E Lewis, Lisa M Coussens, Aditya Bardia, Rakesh K Jain, Jeffrey W Pollard, Michele De Palma
Cytotoxic chemotherapy is an effective treatment for invasive breast cancer. However, experimental studies in mice also suggest that chemotherapy has pro-metastatic effects. Primary tumours release extracellular vesicles (EVs), including exosomes, that can facilitate the seeding and growth of metastatic cancer cells in distant organs, but the effects of chemotherapy on tumour-derived EVs remain unclear. Here we show that two classes of cytotoxic drugs broadly employed in pre-operative (neoadjuvant) breast cancer therapy, taxanes and anthracyclines, elicit tumour-derived EVs with enhanced pro-metastatic capacity...
December 31, 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/30598530/direct-generation-of-human-naive-induced-pluripotent-stem-cells-from-somatic-cells-in-microfluidics
#6
Stefano Giulitti, Marco Pellegrini, Irene Zorzan, Paolo Martini, Onelia Gagliano, Margherita Mutarelli, Michael Johannes Ziller, Davide Cacchiarelli, Chiara Romualdi, Nicola Elvassore, Graziano Martello
Induced pluripotent stem cells (iPSCs) are generated via the expression of the transcription factors OCT4 (also known as POU5F1), SOX2, KLF4 and cMYC (OSKM) in somatic cells. In contrast to murine naive iPSCs, conventional human iPSCs are in a more developmentally advanced state called primed pluripotency. Here, we report that human naive iPSCs (niPSCs) can be generated directly from fewer than 1,000 primary human somatic cells, without requiring stable genetic manipulation, via the delivery of modified messenger RNAs using microfluidics...
December 31, 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/30559458/retraction-note-nf-%C3%AE%C2%BAb-activation-impairs-somatic-cell-reprogramming-in-ageing
#7
Clara Soria-Valles, Fernando G Osorio, Ana Gutiérrez-Fernández, Alejandro De Los Angeles, Clara Bueno, Pablo Menéndez, José I Martín-Subero, George Q Daley, José M P Freije, Carlos López-Otín
We, the authors, are retracting this Article due to issues that have come to our attention regarding data availability, data description and figure assembly. Specifically, original numerical data are not available for the majority of the graphs presented in the paper. Although original data were available for most EMSA and immunoblot experiments, those corresponding to the published EMSA data of Supplementary Fig. 8a, the independent replicate immunoblots of Fig. 8b and Supplementary Fig. 1e, and the independent replicate EMSA data of Supplementary Figs 6e, 8b, 8c and 8d, are unavailable...
December 17, 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/30559457/memory-of-ancestral-mitochondrial-stress
#8
Sarah-Lena Offenburger, Marcos Francisco Perez, Ben Lehner
No abstract text is available yet for this article.
December 17, 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/30559456/fluidization-mediated-tissue-spreading-by-mitotic-cell-rounding-and-non-canonical-wnt-signalling
#9
Nicoletta I Petridou, Silvia Grigolon, Guillaume Salbreux, Edouard Hannezo, Carl-Philipp Heisenberg
Tissue morphogenesis is driven by mechanical forces that elicit changes in cell size, shape and motion. The extent by which forces deform tissues critically depends on the rheological properties of the recipient tissue. Yet, whether and how dynamic changes in tissue rheology affect tissue morphogenesis and how they are regulated within the developing organism remain unclear. Here, we show that blastoderm spreading at the onset of zebrafish morphogenesis relies on a rapid, pronounced and spatially patterned tissue fluidization...
December 17, 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/30542103/author-correction-pericyte-like-spreading-by-disseminated-cancer-cells-activates-yap-and-mrtf-for-metastatic-colonization
#10
Ekrem Emrah Er, Manuel Valiente, Karuna Ganesh, Yilong Zou, Saloni Agrawal, Jing Hu, Bailey Griscom, Marc Rosenblum, Adrienne Boire, Edi Brogi, Filippo G Giancotti, Melitta Schachner, Srinivas Malladi, Joan Massagué
In the version of this Article originally published, the authors inadvertently included the term 'pericytic mimicry' in relation to ref. 54. This has now been corrected by inserting an additional reference at position 51 and amending the text in the Discussion relating to 'pericytic mimicry', ref. 54 and pericyte-like spreading. The original refs 51-70 have also been renumbered. Furthermore, Fig. 8l has been amended to remove the term 'pericyte mimicry' that the authors had included inadvertently during figure preparation...
December 12, 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/30532068/a-chromatin-integration-labelling-method-enables-epigenomic-profiling-with-lower-input
#11
Akihito Harada, Kazumitsu Maehara, Tetsuya Handa, Yasuhiro Arimura, Jumpei Nogami, Yoko Hayashi-Takanaka, Katsuhiko Shirahige, Hitoshi Kurumizaka, Hiroshi Kimura, Yasuyuki Ohkawa
Chromatin plays a crucial role in gene regulation, and chromatin immunoprecipitation followed by sequencing (ChIP-seq) has been the standard technique for examining protein-DNA interactions across the whole genome. However, it is difficult to obtain epigenomic information from limited numbers of cells by ChIP-seq because of sample loss during chromatin preparation and inefficient immunoprecipitation. In this study, we established an immunoprecipitation-free epigenomic profiling method named chromatin integration labelling (ChIL), which enables the amplification of genomic sequences closely associated with the target molecules before cell lysis...
December 10, 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/30510156/n6-methyldeoxyadenine-is-a-transgenerational-epigenetic-signal-for-mitochondrial-stress-adaptation
#12
Chengchuan Ma, Rong Niu, Tianxiao Huang, Li-Wa Shao, Yong Peng, Wanqiu Ding, Ye Wang, Guifang Jia, Chuan He, Chuan-Yun Li, Aibin He, Ying Liu
N6-methyldeoxyadenine (6mA), a major type of DNA methylation in bacteria, represents a part of restriction-modification systems to discriminate host genome from invader DNA1 . With the recent advent of more sensitive detection techniques, 6mA has also been detected in some eukaryotes2-8 . However, the physiological function of this epigenetic mark in eukaryotes remains elusive. Heritable changes in DNA 5mC methylation have been associated with transgenerational inheritance of responses to a high-fat diet9 , thus raising the exciting possibility that 6mA may also be transmitted across generations and serve as a carrier of inheritable information...
December 3, 2018: Nature Cell Biology
https://www.readbyqxmd.com/read/30602772/super-resolution-microscopy-demystified
#13
REVIEW
Lothar Schermelleh, Alexia Ferrand, Thomas Huser, Christian Eggeling, Markus Sauer, Oliver Biehlmaier, Gregor P C Drummen
Super-resolution microscopy (SRM) bypasses the diffraction limit, a physical barrier that restricts the optical resolution to roughly 250 nm and was previously thought to be impenetrable. SRM techniques allow the visualization of subcellular organization with unprecedented detail, but also confront biologists with the challenge of selecting the best-suited approach for their particular research question. Here, we provide guidance on how to use SRM techniques advantageously for investigating cellular structures and dynamics to promote new discoveries...
January 2019: Nature Cell Biology
https://www.readbyqxmd.com/read/30602771/celebrating-20-years-of-cell-biology
#14
EDITORIAL
(no author information available yet)
No abstract text is available yet for this article.
January 2019: Nature Cell Biology
https://www.readbyqxmd.com/read/30602770/specificities-of-secretion-and-uptake-of-exosomes-and-other-extracellular-vesicles-for-cell-to-cell-communication
#15
REVIEW
Mathilde Mathieu, Lorena Martin-Jaular, Grégory Lavieu, Clotilde Théry
The ability of exosomes to transfer cargo from donor to acceptor cells, thereby triggering phenotypic changes in the latter, has generated substantial interest in the scientific community. However, the extent to which exosomes differ from other extracellular vesicles in terms of their biogenesis and functions remains ill-defined. Here, we discuss the current knowledge on the specificities of exosomes and other types of extracellular vesicles, and their roles as important agents of cell-to-cell communication...
January 2019: Nature Cell Biology
https://www.readbyqxmd.com/read/30602769/the-diverse-consequences-of-aneuploidy
#16
REVIEW
Narendra Kumar Chunduri, Zuzana Storchová
Aneuploidy, or imbalanced chromosome number, has profound effects on eukaryotic cells. In humans, aneuploidy is associated with various pathologies, including cancer, which suggests that it mediates a proliferative advantage under these conditions. Here, we discuss physiological changes triggered by aneuploidy, such as altered cell growth, transcriptional changes, proteotoxic stress, genomic instability and response to interferons, and how cancer cells adapt to the changing aneuploid genome.
January 2019: Nature Cell Biology
https://www.readbyqxmd.com/read/30602768/the-dynamic-nature-of-senescence-in-cancer
#17
REVIEW
Soyoung Lee, Clemens A Schmitt
Cellular senescence is implicated in physiological and pathological processes spanning development, wound healing, age-related decline in organ functions and cancer. Here, we discuss cell-autonomous and non-cell-autonomous properties of senescence in the context of tumour formation and anticancer therapy, and characterize these properties, such as reprogramming into stemness, tissue remodelling and immune crosstalk, as far more dynamic than suggested by the common view of senescence as an irreversible, static condition...
January 2019: Nature Cell Biology
https://www.readbyqxmd.com/read/30602767/stem-cell-dynamics-migration-and-plasticity-during-wound-healing
#18
REVIEW
Sophie Dekoninck, Cédric Blanpain
Tissue repair is critical for animal survival. The skin epidermis is particularly exposed to injuries, which necessitates rapid repair. The coordinated action of distinct epidermal stem cells recruited from various skin regions together with other cell types, including fibroblasts and immune cells, is required to ensure efficient and harmonious wound healing. A complex crosstalk ensures the activation, migration and plasticity of these cells during tissue repair.
January 2019: Nature Cell Biology
https://www.readbyqxmd.com/read/30602766/integrin-activation-by-talin-kindlin-and-mechanical-forces
#19
REVIEW
Zhiqi Sun, Mercedes Costell, Reinhard Fässler
Integrins are the major family of adhesion molecules that mediate cell adhesion to the extracellular matrix. They are essential for embryonic development and influence numerous diseases, including inflammation, cancer cell invasion and metastasis. In this Perspective, we discuss the current understanding of how talin, kindlin and mechanical forces regulate integrin affinity and avidity, and how integrin inactivators function in this framework.
January 2019: Nature Cell Biology
https://www.readbyqxmd.com/read/30602765/haematopoiesis-in-the-era-of-advanced-single-cell-technologies
#20
REVIEW
Sten Eirik W Jacobsen, Claus Nerlov
The molecular and functional characterization of single cells at scale has emerged as a key driver to unravel tissue biology. Thus, it is important to understand the strengths and limitations of transcriptomic approaches, molecular barcoding and functional assays used to study cellular properties at the single-cell level. Here, we review recent relevant work from the haematopoietic system and discuss how to interpret and integrate data obtained with different technologies.
January 2019: Nature Cell Biology
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