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EMBO Reports

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https://www.readbyqxmd.com/read/29789387/mitochondrial-adaptation-in-obesity-is-a-clppicated-business
#1
Marc Liesa, Orian S Shirihai
No abstract text is available yet for this article.
May 22, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29789386/antagonistic-interactions-between-two-map-kinase-cascades-in-plant-development-and-immune-signaling
#2
Tongjun Sun, Yukino Nitta, Qian Zhang, Di Wu, Hainan Tian, Jin Suk Lee, Yuelin Zhang
Mitogen-activated protein kinase (MAPK) signaling plays important roles in diverse biological processes. In Arabidopsis , MPK3/MPK6, MKK4/MKK5, and the MAPKKK YODA (YDA) form a MAPK pathway that negatively regulates stomatal development. Brassinosteroid (BR) stimulates this pathway to inhibit stomata production. In addition, MPK3/MPK6 and MKK4/MKK5 also serve as critical signaling components in plant immunity. Here, we report that MAPKKK3/MAPKKK5 form a kinase cascade with MKK4/MKK5 and MPK3/MPK6 to transduce defense signals downstream of multiple plant receptor kinases...
May 22, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29789385/transparency-on-scientific-instruments
#3
Carsten Bergenholtz, Samuel C MacAulay, Christos Kolympiris, Inge Seim
No abstract text is available yet for this article.
May 22, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29777052/the-microbiome-and-its-publics-a-participatory-approach-for-engaging-publics-with-the-microbiome-and-its-implications-for-health-and-hygiene
#4
Timothy Hodgetts, Richard Grenyer, Beth Greenhough, Carmen McLeod, Andrew Dwyer, Jamie Lorimer
No abstract text is available yet for this article.
May 18, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29777051/cd36-initiates-the-secretory-phenotype-during-the-establishment-of-cellular-senescence
#5
Mengyang Chong, Tao Yin, Rui Chen, Handan Xiang, Lifeng Yuan, Yi Ding, Christopher C Pan, Zhen Tang, Peter B Alexander, Yinjun Jia, Qi-Jing Li, Xiao-Fan Wang
Cellular senescence is a unique cell fate characterized by stable proliferative arrest and the extensive production and secretion of various inflammatory proteins, a phenomenon known as the senescence-associated secretory phenotype (SASP). The molecular mechanisms responsible for generating a SASP in response to senescent stimuli remain largely obscure. Here, using unbiased gene expression profiling, we discover that the scavenger receptor CD36 is rapidly upregulated in multiple cell types in response to replicative, oncogenic, and chemical senescent stimuli...
May 18, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29769240/nobody-at-the-top
#6
Brooke Morriswood, Oliver Hoeller
No abstract text is available yet for this article.
May 16, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29764911/a-deal-for-open-access-the-negotiations-between-the-german-deal-project-and-publishers-have-global-implications-for-academic-publishing-beyond-just-germany
#7
https://www.readbyqxmd.com/read/29759981/a%C3%AE-1-42-triggers-the-generation-of-a-retrograde-signaling-complex-from-sentinel-mrnas-in-axons
#8
Chandler A Walker, Lisa K Randolph, Carlos Matute, Elena Alberdi, Jimena Baleriola, Ulrich Hengst
Neurons frequently encounter neurodegenerative signals first in their periphery. For example, exposure of axons to oligomeric Aβ1-42 is sufficient to induce changes in the neuronal cell body that ultimately lead to degeneration. Currently, it is unclear how the information about the neurodegenerative insult is transmitted to the soma. Here, we find that the translation of pre-localized but normally silenced sentinel mRNAs in axons is induced within minutes of Aβ1-42 addition in a Ca2+ -dependent manner. This immediate protein synthesis following Aβ1-42 exposure generates a retrograde signaling complex including vimentin...
May 14, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29752334/tg2-regulates-the-heat-shock-response-by-the-post-translational-modification-of-hsf1
#9
Federica Rossin, Valeria Rachela Villella, Manuela D'Eletto, Maria Grazia Farrace, Speranza Esposito, Eleonora Ferrari, Romina Monzani, Luca Occhigrossi, Vittoria Pagliarini, Claudio Sette, Giorgio Cozza, Nikolai A Barlev, Laura Falasca, Gian Maria Fimia, Guido Kroemer, Valeria Raia, Luigi Maiuri, Mauro Piacentini
Heat-shock factor 1 (HSF1) is the master transcription factor that regulates the response to proteotoxic stress by controlling the transcription of many stress-responsive genes including the heat-shock proteins. Here, we show a novel molecular mechanism controlling the activation of HSF1. We demonstrate that transglutaminase type 2 (TG2), dependent on its protein disulphide isomerase activity, triggers the trimerization and activation of HSF1 regulating adaptation to stress and proteostasis impairment. In particular, we find that TG2 loss of function correlates with a defect in the nuclear translocation of HSF1 and in its DNA-binding ability to the HSP70 promoter...
May 11, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29739811/tel1-atm-prevents-degradation-of-replication-forks-that-reverse-after-topoisomerase-poisoning
#10
Luca Menin, Sebastian Ursich, Camilla Trovesi, Ralph Zellweger, Massimo Lopes, Maria Pia Longhese, Michela Clerici
In both yeast and mammals, the topoisomerase poison camptothecin (CPT) induces fork reversal, which has been proposed to stabilize replication forks, thus providing time for the repair of CPT-induced lesions and supporting replication restart. We show that Tel1, the Saccharomyces cerevisiae orthologue of human ATM kinase, stabilizes CPT-induced reversed forks by counteracting their nucleolytic degradation by the MRX complex. Tel1-lacking cells are hypersensitive to CPT specifically and show less reversed forks in the presence of CPT The lack of Mre11 nuclease activity restores wild-type levels of reversed forks in CPT-treated tel1 Δ cells without affecting fork reversal in wild-type cells...
May 8, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29735517/opposing-roles-of-mir-294-and-mbnl1-2-in-shaping-the-gene-regulatory-network-of-embryonic-stem-cells
#11
Da-Ren Wu, Kai-Li Gu, Jian-Cheng Yu, Xing Fu, Xi-Wen Wang, Wen-Ting Guo, Le-Qi Liao, Hong Zhu, Xiao-Shan Zhang, Jingyi Hui, Yangming Wang
Alternative pre-mRNA splicing plays important roles in regulating self-renewal and differentiation of embryonic stem cells (ESCs). However, how specific alternative splicing programs are established in ESCs remains elusive. Here, we show that a subset of alternative splicing events in ESCs is dependent on miR-294 expression. Remarkably, roughly 60% of these splicing events are affected by the depletion of Muscleblind-Like Splicing Regulator 1 and 2 (Mbnl1/2). Distinct from canonical miRNA function, miR-294 represses Mbnl1/2 through both posttranscriptional and epigenetic mechanisms...
May 7, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29724753/bringing-bioinformatics-to-the-scientific-masses-as-the-demand-for-high-level-bioinformatics-is-growing-training-students-in-the-field-becomes-ever-more-important
#12
https://www.readbyqxmd.com/read/29712776/eif5a-is-required-for-autophagy-by-mediating-atg3-translation
#13
Michal Lubas, Lea M Harder, Caroline Kumsta, Imke Tiessen, Malene Hansen, Jens S Andersen, Anders H Lund, Lisa B Frankel
Autophagy is an essential catabolic process responsible for recycling of intracellular material and preserving cellular fidelity. Key to the autophagy pathway is the ubiquitin-like conjugation system mediating lipidation of Atg8 proteins and their anchoring to autophagosomal membranes. While regulation of autophagy has been characterized at the level of transcription, protein interactions and post-translational modifications, its translational regulation remains elusive. Here we describe a role for the conserved eukaryotic translation initiation factor 5A (eIF5A) in autophagy...
April 30, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29695587/reproducibility-crisis-in-science-or-unrealistic-expectations
#14
Thiago Fa França, José Maria Monserrat
No abstract text is available yet for this article.
April 25, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29674348/rkip-mediates-autoimmune-inflammation-by-positively-regulating-il-17r-signaling
#15
Wenlong Lin, Ning Wang, Kangxing Zhou, Fasheng Su, Yu Jiang, Jianan Shou, Huan Liu, Chunmei Ma, Youchun Qian, Kai Wang, Xiaojian Wang
Th17 cells contribute to the development of autoimmune diseases by secreting interleukin-17 (IL-17), which activates its receptor (IL-17R) that is expressed on epithelial cells, macrophages, microglia, and resident neuroectodermal cells. However, the mechanisms through which IL-17R-mediated signaling contributes to the development of autoimmune disease have not been completely elucidated. Here, we demonstrate that Raf-1 kinase inhibitor protein (RKIP) deficiency in mice ameliorates the symptoms of experimental autoimmune encephalomyelitis (EAE)...
April 19, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29669797/improving-animal-research-reporting-standards-harrp-the-first-step-of-a-unified-approach-by-iclas-to-improve-animal-research-reporting-standards-worldwide
#16
Nikki Osborne, Marc T Avey, Lida Anestidou, Merel Ritskes-Hoitinga, Gilly Griffin
No abstract text is available yet for this article.
April 17, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29669796/prdm4-mediates-yap-induced-cell-invasion-by-activating-leukocyte-specific-integrin-%C3%AE-2-expression
#17
Huan Liu, Xiaoming Dai, Xiaolei Cao, Huan Yan, Xinyan Ji, Haitao Zhang, Shuying Shen, Yuan Si, Hailong Zhang, Jianfeng Chen, Li Li, Jonathan C Zhao, Jindan Yu, Xin-Hua Feng, Bin Zhao
Yes-associated protein (YAP) is a transcriptional co-activator and a major effector of the Hippo pathway that promotes cell proliferation and stemness, while inhibiting apoptosis. YAP plays a central role in organ size control, and its deregulation strongly promotes cancer initiation and progression. However, the mechanisms by which YAP promotes cell invasion and metastasis are not fully understood. Here, we report that YAP induces leukocyte-specific integrin β2 ( ITGB2 ) expression in cancer cells, thereby promoting cell invasion through the endothelium in a manner mimicking leukocytes...
April 17, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29661859/mitochondria-and-the-dynamic-control-of-stem-cell-homeostasis
#18
REVIEW
Pawel Lisowski, Preethi Kannan, Barbara Mlody, Alessandro Prigione
The maintenance of cellular identity requires continuous adaptation to environmental changes. This process is particularly critical for stem cells, which need to preserve their differentiation potential over time. Among the mechanisms responsible for regulating cellular homeostatic responses, mitochondria are emerging as key players. Given their dynamic and multifaceted role in energy metabolism, redox, and calcium balance, as well as cell death, mitochondria appear at the interface between environmental cues and the control of epigenetic identity...
April 16, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29661858/rna-sensor-lgp2-inhibits-traf-ubiquitin-ligase-to-negatively-regulate-innate-immune-signaling
#19
Jean-Patrick Parisien, Jessica J Lenoir, Roli Mandhana, Kenny R Rodriguez, Kenin Qian, Annie M Bruns, Curt M Horvath
The production of type I interferon (IFN) is essential for cellular barrier functions and innate and adaptive antiviral immunity. In response to virus infections, RNA receptors RIG-I and MDA5 stimulate a mitochondria-localized signaling apparatus that uses TRAF family ubiquitin ligase proteins to activate master transcription regulators IRF3 and NFκB, driving IFN and antiviral target gene expression. Data indicate that a third RNA receptor, LGP2, acts as a negative regulator of antiviral signaling by interfering with TRAF family proteins...
April 16, 2018: EMBO Reports
https://www.readbyqxmd.com/read/29661857/science-politics-and-ideologies-global-political-developments-towards-isolationism-ideology-or-disregard-of-facts-have-scientists-concerned-about-the-free-exchange-of-ideas-and-people
#20
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