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https://www.readbyqxmd.com/read/28817916/re-akt-mediated-stabilization-of-histone-methyltransferase-whsc1-promotes-prostate-cancer-metastasis
#1
Anthony Atala
No abstract text is available yet for this article.
September 2017: Journal of Urology
https://www.readbyqxmd.com/read/28817833/fmnl2-destabilises-commd10-to-activate-nf-%C3%AE%C2%BAb-pathway-in-invasion-and-metastasis-of-colorectal-cancer
#2
S S Yang, X M Li, M Yang, X L Ren, J L Hu, X H Zhu, F F Wang, Z C Zeng, J Y Li, Z Q Cheng, W T Liao, Y Q Ding, J Guan, L Liang
BACKGROUND: Diaphanous-related formins (DRFs), actin necleator, have been known to participate in the progression of cancer cells. We previously reported that FMNL2 (Formin-like2), a member of DRFs, was a positive regulator in colorectal cancer (CRC) metastasis, yet proteins and pathways required for the function of this pro-invasive DRFs remain to be identified. METHODS: The relationship between FMNL2 and COMMD10 was examined using Co-IP, GST pull-down, immunofluorescence and in vitro ubiquitination assay...
August 17, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28817808/ppar%C3%AE-agonist-stimulated-angiogenesis-by-improving-endothelial-precursor-cell-function-via-a-nlrp3-inflammasome-pathway
#3
Yaping Deng, Xue Han, Zheng Yao, Yuannan Sun, Jiawen Yu, Jian Cai, Guofei Ren, Guojun Jiang, Feng Han
BACKGROUND: Impaired wound healing is a common complication of diabetes and is the leading cause of lower extremity amputation. Treatment with fenofibrate, a peroxisome proliferators-activated receptor α (PPARα) agonist, was associated with a lower risk of amputations, particularly minor amputations without known large-vessel diseases, probably through non-lipid mechanisms. The current study aimed to test our hypothesis that fenofibrate stimulates angiogenesis and restores endothelial precursor cell (EPC) function via inhibiting Nod-like receptor protein 3 (NLRP3) inflammasome in streptozotocin (STZ)-induced diabetic mice...
August 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28817806/specialized-mechanosensory-nociceptors-mediating-rapid-responses-to-hair-pull
#4
Nima Ghitani, Arnab Barik, Marcin Szczot, James H Thompson, Chia Li, Claire E Le Pichon, Michael J Krashes, Alexander T Chesler
The somatosensory system provides animals with the ability to detect, distinguish, and respond to diverse thermal, mechanical, and irritating stimuli. While there has been progress in defining classes of neurons underlying temperature sensation and gentle touch, less is known about the neurons specific for mechanical pain. Here, we use in vivo functional imaging to identify a class of cutaneous sensory neurons that are selectively activated by high-threshold mechanical stimulation (HTMRs). We show that their optogenetic excitation evokes rapid protective and avoidance behaviors...
August 16, 2017: Neuron
https://www.readbyqxmd.com/read/28817805/ltp-at-hilar-mossy-cell-dentate-granule-cell-synapses-modulates-dentate-gyrus-output-by-increasing-excitation-inhibition-balance
#5
Yuki Hashimotodani, Kaoutsar Nasrallah, Kyle R Jensen, Andrés E Chávez, Daniel Carrera, Pablo E Castillo
Excitatory hilar mossy cells (MCs) in the dentate gyrus receive inputs from dentate granule cells (GCs) and project back to GCs locally, contralaterally, and along the longitudinal axis of the hippocampus, thereby establishing an associative positive-feedback loop and connecting functionally diverse hippocampal areas. MCs also synapse with GABAergic interneurons that mediate feed-forward inhibition onto GCs. Surprisingly, although these circuits have been implicated in both memory formation (e.g., pattern separation) and temporal lobe epilepsy, little is known about activity-dependent plasticity of their synaptic connections...
August 16, 2017: Neuron
https://www.readbyqxmd.com/read/28817798/toward-a-wiring-diagram-understanding-of-appetite-control
#6
REVIEW
Mark L Andermann, Bradford B Lowell
Prior mouse genetic research has set the stage for a deep understanding of appetite regulation. This goal is now being realized through the use of recent technological advances, such as the ability to map connectivity between neurons, manipulate neural activity in real time, and measure neural activity during behavior. Indeed, major progress has been made with regard to meal-related gut control of appetite, arcuate nucleus-based hypothalamic circuits linking energy state to the motivational drive, hunger, and, finally, limbic and cognitive processes that bring about hunger-mediated increases in reward value and perception of food...
August 16, 2017: Neuron
https://www.readbyqxmd.com/read/28817786/propofol-attenuates-bv2-microglia-inflammation-via-nmda-receptor-inhibition
#7
Qichao Wu, Yanjun Zhao, Xiangyuan Chen, Minmin Zhu, Changhong Miao
Activated microglia, involved in the occurrence and improvement of sepsis-associated encephalopathy, can induce the expression of pro-inflammatory cytokines and pro-inflammatory enzymes, resulting in inflammation-mediated neuronal cell death. It was reported that propofol could inhibit lipopolysaccharide (LPS)-induced pro-inflammatory cytokines and pro-inflammatory enzymes expression in BV2 and primary microglial cells. However, the underlying mechanism is not well known. In the present study, we investigated whether and how propofol inhibited LPS-induced the expression of pro-inflammatory cytokines and pro-inflammatory enzymes in BV2 cells...
August 17, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28817778/the-oxidation-state-of-4fe4s-clusters-modulates-the-dna-binding-affinity-of-dna-repair-proteins
#8
Edmund C M Tse, Theodore J Zwang, Jacqueline K Barton
A central question important to understanding DNA repair is how certain proteins are able to search for, detect, and fix DNA damage on a biologically relevant timescale. A feature of many base excision repair proteins is that they contain [4Fe4S] clusters that may aid their search for lesions. In this report, we establish the importance of the oxidation state of the redox-active [4Fe4S] cluster in the DNA damage detection process. We utilize DNA-modified electrodes to generate repair proteins with [4Fe4S] clusters in the 2+ and 3+ states by bulk electrolysis under an O2-free atmosphere...
August 17, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28817753/efficacy-and-safety-of-durvalumab-in-locally-advanced-or-metastatic-urothelial-carcinoma-updated-results-from-a-phase-1-2-open-label-study
#9
Thomas Powles, Peter H O'Donnell, Christophe Massard, Hendrik-Tobias Arkenau, Terence W Friedlander, Christopher J Hoimes, Jae Lyun Lee, Michael Ong, Srikala S Sridhar, Nicholas J Vogelzang, Mayer N Fishman, Jingsong Zhang, Sandy Srinivas, Jigar Parikh, Joyce Antal, Xiaoping Jin, Ashok K Gupta, Yong Ben, Noah M Hahn
Importance: The data reported herein were accepted for assessment by the US Food and Drug Administration for Biologics License Application under priority review to establish the clinical benefit of durvalumab as second-line therapy for locally advanced or metastatic urothelial carcinoma (UC), resulting in its recent US approval. Objective: To report a planned update of the safety and efficacy of durvalumab in patients with locally advanced/metastatic UC. Design, Setting, and Participants: This is an ongoing phase 1/2 open-label study of 191 adult patients with histologically or cytologically confirmed locally advanced/metastatic UC whose disease had progressed on, were ineligible for, or refused prior chemotherapy from 60 sites in 9 countries as reported herein...
August 17, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28817737/myc-mediates-cancer-stem-like-cells-and-emt-changes-in-triple-negative-breast-cancers-cells
#10
Shuping Yin, Vino T Cheryan, Liping Xu, Arun K Rishi, Kaladhar B Reddy
Women with triple negative breast cancer (TNBC) have poor prognosis compared to other breast cancer subtypes. There were several reports indicating racial disparity in breast cancer outcomes between African American (AA) and European American (EA) women. For example, the mortality rates of AA breast cancer patients were three times higher than of EA patients, even though, the incidence is lower in AA women. Our in vitro studies indicate that cancer stem-like cells (CSCs) derived from AA TNBC cell lines have significantly higher self-renewal potential (mammosphere formation) than CSCs derived from EA cell lines...
2017: PloS One
https://www.readbyqxmd.com/read/28817707/microbiome-mediated-neutrophil-recruitment-via-cxcr2-and-protection-from-amebic-colitis
#11
Koji Watanabe, Carol A Gilchrist, Md Jashim Uddin, Stacey L Burgess, Mayuresh M Abhyankar, Shannon N Moonah, Zannatun Noor, Jeffrey R Donowitz, Brittany N Schneider, Tuhinur Arju, Emtiaz Ahmed, Mamun Kabir, Masud Alam, Rashidul Haque, Patcharin Pramoonjago, Borna Mehrad, William A Petri
The disease severity of Entamoeba histolytica infection ranges from asymptomatic to life-threatening. Recent human and animal data implicate the gut microbiome as a modifier of E. histolytica virulence. Here we have explored the association of the microbiome with susceptibility to amebiasis in infants and in the mouse model of amebic colitis. Dysbiosis occurred symptomatic E. histolytica infection in children, as evidenced by a lower Shannon diversity index of the gut microbiota. To test if dysbiosis was a cause of susceptibility, wild type C57BL/6 mice (which are innately resistant to E...
August 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28817706/hiv-infection-antiretroviral-therapy-and-measures-of-endothelial-function-inflammation-metabolism-and-oxidative-stress
#12
Andrew Dysangco, Ziyue Liu, James H Stein, Michael P Dubé, Samir K Gupta
BACKGROUND: HIV-infected patients have an increased risk of cardiovascular disease (CVD). Impaired endothelial function is an early risk factor for CVD in the general population. It is presumed that HIV infection is associated with impaired endothelial function, but results have been inconsistent. OBJECTIVES: Our objectives were to determine the relationships between HIV infection, virologic suppression with antiretroviral therapy (ART), in vivo measures of conduit artery and microvascular endothelial function, and circulating biomarkers of pathways associated with CVD...
2017: PloS One
https://www.readbyqxmd.com/read/28817702/global-gene-expression-analysis-of-the-response-of-physic-nut-jatropha-curcas-l-to-medium-and-long-term-nitrogen-deficiency
#13
Qi Kuang, Sheng Zhang, Pingzhi Wu, Yaping Chen, Meiru Li, Huawu Jiang, Guojiang Wu
Jatropha curcas L. is an important biofuel plant with excellent tolerance of barren environments. However, studies on the regulatory mechanisms that operate in this plant in response to nitrogen (N) shortage are scarce. In this study, genome-wide transcriptional profiles of the roots and leaves of 8-week old physic nut seedlings were analyzed after 2 and 16 days of N starvation. Enrichment results showed that genes associated with N metabolism, processing and regulation of RNA, and transport predominated among those showing alterations in expression...
2017: PloS One
https://www.readbyqxmd.com/read/28817695/correction-o-glcnacylation-mediates-the-control-of-cytosolic-phosphoenolpyruvate-carboxykinase-activity-via-pgc1%C3%AE
#14
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pone.0179988.].
2017: PloS One
https://www.readbyqxmd.com/read/28817676/psychological-determinants-of-physical-activity-across-the-life-course-a-determinants-of-diet-and-physical-activity-dedipac-umbrella-systematic-literature-review
#15
Cristina Cortis, Anna Puggina, Caterina Pesce, Katina Aleksovska, Christoph Buck, Con Burns, Greet Cardon, Angela Carlin, Chantal Simon, Donatella Ciarapica, Giancarlo Condello, Tara Coppinger, Sara D'Haese, Marieke De Craemer, Andrea Di Blasio, Sylvia Hansen, Licia Iacoviello, Johann Issartel, Pascal Izzicupo, Lina Jaeschke, Martina Kanning, Aileen Kennedy, Fiona Chun Man Ling, Agnes Luzak, Giorgio Napolitano, Julie-Anne Nazare, Grainne O'Donoghue, Camille Perchoux, Tobias Pischon, Angela Polito, Alessandra Sannella, Holger Schulz, Rhoda Sohun, Astrid Steinbrecher, Wolfgang Schlicht, Walter Ricciardi, Loriana Castellani, Ciaran MacDonncha, Laura Capranica, Stefania Boccia
Low levels of physical activity (PA) are reported to contribute to the occurrence of non-communicable diseases over the life course. Although psychological factors have been identified as an important category concerning PA behavior, knowledge on psychological determinants of PA is still inconclusive. Therefore, the aim of this umbrella systematic literature review (SLR) was to summarize and synthesize the scientific evidence on psychological determinants of PA behavior across the life course. A systematic online search was conducted on MEDLINE, ISI Web of Science, Scopus, and SPORTDiscus databases...
2017: PloS One
https://www.readbyqxmd.com/read/28817671/immunohistochemical-analysis-reveals-variations-in-proteasome-tissue-expression-in-c-elegans
#16
Elisa Mikkonen, Caj Haglund, Carina I Holmberg
The ubiquitin-proteasome system (UPS) plays a crucial part in normal cell function by mediating intracellular protein clearance. We have previously shown that UPS-mediated protein degradation varies in a cell type-specific manner in C. elegans. Here, we use formalin-fixed, paraffin-embedded C. elegans sections to enable studies on endogenous proteasome tissue expression. We show that the proteasome immunoreactivity pattern differs between cell types and within subcellular compartments in adult wild-type (N2) C...
2017: PloS One
https://www.readbyqxmd.com/read/28817661/ouabain-affects-cell-migration-via-na-k-atpase-p130cas-and-via-nucleus-centrosome-association
#17
Young Ou, Chen Xuan Pan, Jeremy Zuo, Frans A van der Hoorn
Na,K-ATPase is a membrane protein that catalyzes ATP to maintain transmembrane sodium and potassium gradients. In addition, Na,K-ATPase also acts as a signal-transducing receptor for cardiotonic steroids such as ouabain and activates a number of signalling pathways. Several studies report that ouabain affects cell migration. Here we used ouabain at concentrations far below those required to block Na,K-ATPase pump activity and show that it significantly reduced RPE cell migration through two mechanisms. It causes dephosphorylation of a 130 kD protein, which we identify as p130cas...
2017: PloS One
https://www.readbyqxmd.com/read/28817646/genetic-dissection-of-endothelial-transcriptional-activity-of-zebrafish-aryl-hydrocarbon-receptors-ahrs
#18
Wade W Sugden, Roberto C Leonardo-Mendonça, Darío Acuña-Castroviejo, Arndt F Siekmann
The aryl hydrocarbon receptor (AHR) is a basic helix-loop-helix transcription factor conserved across phyla from flies to humans. Activated by a number of endogenous ligands and environmental toxins, studies on AHR function and gene regulation have largely focused on a toxicological perspective relating to aromatic hydrocarbons generated by human activities and the often-deleterious effects of exposure on vertebrates mediated by AHR activation. A growing body of work has highlighted the importance of AHR in physiologic processes, including immune cell differentiation and vascular patterning...
2017: PloS One
https://www.readbyqxmd.com/read/28817625/disentangling-the-relationship-between-children-s-motor-ability-executive-function-and-academic-achievement
#19
Mirko Schmidt, Fabienne Egger, Valentin Benzing, Katja Jäger, Achim Conzelmann, Claudia M Roebers, Caterina Pesce
Even though positive relations between children's motor ability and their academic achievement are frequently reported, the underlying mechanisms are still unclear. Executive function has indeed been proposed, but hardly tested as a potential mediator. The aim of the present study was therefore to examine the mediating role of executive function in the relationship between motor ability and academic achievement, also investigating the individual contribution of specific motor abilities to the hypothesized mediated linkage to academic achievement...
2017: PloS One
https://www.readbyqxmd.com/read/28817603/expression-of-the-mhc-class-ii-in-triple-negative-breast-cancer-is-associated-with-tumor-infiltrating-lymphocytes-and-interferon-signaling
#20
In Ah Park, Seong-Hye Hwang, In Hye Song, Sun-Hee Heo, Young-Ae Kim, Won Seon Bang, Hye Seon Park, Miseon Lee, Gyungyub Gong, Hee Jin Lee
Tumor-infiltrating lymphocytes (TILs) have been known for their strong prognostic and predictive significance in triple-negative breast cancer (TNBC). Several mechanisms for TIL influx in TNBC have been elucidated. Major histocompatibility complex class II (MHC-II) is an essential component of the adaptive immune system and is generally restricted to the surface of antigen-presenting cells. However, it has been reported that interferon-gamma signaling may induce MHC-II in almost all cell types, including those derived from cancer...
2017: PloS One
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