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https://www.readbyqxmd.com/read/29151275/rav-transcription-factors-are-essential-for-disease-resistance-against-cassava-bacterial-blight-via-activation-of-melatonin-biosynthesis-genes
#1
Yunxie Wei, Yanli Chang, Hongqiu Zeng, Guoyin Liu, Chaozu He, Haitao Shi
With one AP2 domain and one B3 domain, 7 MeRAVs in apetala2/ethylene response factor (AP2/ERF) gene family have been identified in cassava. However, the in vivo roles of these remain unknown. Gene expression assays showed that the transcripts of MeRAVs were commonly regulated after Xanthomonas axonopodis pv manihotis (Xam) and MeRAVs were specifically located in plant cell nuclei. Through virus-induced gene silencing (VIGS) in cassava, we found that MeRAV1 and MeRAV2 are essential for plant disease resistance against cassava bacterial blight, as shown by the bacterial propagation of Xam in plant leaves...
November 19, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/29151104/clinical-efficacy-and-safety-of-first-line-dasatinib-therapy-and-the-relevance-of-velocity-of-bcr-abl1-transcript-decline-for-achievement-of-molecular-responses-in-newly-diagnosed-chronic-phase-chronic-myeloid-leukemia-report-from-the-juntendo-yamanashi-cooperative
#2
Tomoiku Takaku, Noriyoshi Iriyama, Toru Mitsumori, Eriko Sato, Akihiko Gotoh, Keita Kirito, Masaaki Noguchi, Michiaki Koike, Junichi Sakamoto, Koji Oba, Norio Komatsu
OBJECTIVE: The use of tyrosine kinase inhibitors led to an improvement in the prognoses of patients with chronic myeloid leukemia (CML). The aims of this study were to investigate the efficacy and safety of dasatinib in Japanese patients and to explore the factors that affect the achievement of molecular responses. METHODS: The primary endpoint was a major molecular response (MMR) by 12 months. The halving time for BCR-ABL1 transcripts was calculated using transcript levels...
November 18, 2017: Oncology
https://www.readbyqxmd.com/read/29151085/a-novel-mutation-in-the-critical-p-box-residue-of-steroidogenic-factor-1-presenting-with-xy-sex-reversal-and-transient-adrenal-failure
#3
Anna S Orekhova, Natalia Kalinchenko, Ivan A Morozov, Evgeny V Vasilyev, Petr M Rubtsov, Ivan I Dedov, Anatoly Tiulpakov
BACKGROUND: Although the importance of steroidogenic factor-1 (SF1, NR5A1) for adrenal development is supported by numerous in vitro and in vivo studies, cases of SF1 deficiency associated with adrenal failure are exceptionally rare. The first human NR5A1 mutation was a heterozygous de novo p.G35E variant identified in a patient with disorder of sex development (DSD) 46,XY and primary adrenal insufficiency. Here we describe another association of the "classic" SF1 phenotype with a novel NR5A1 mutation affecting G35 residue...
November 17, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/29150946/lncrna-tcons_00034812-in-cell-proliferation-and-apoptosis-of-pulmonary-artery-smooth-muscle-cells-and-its-mechanism
#4
Yun Liu, Zengxian Sun, Jinquan Zhu, Bingxin Xiao, Jie Dong, Xiaomin Li
Long noncoding RNAs (lncRNAs) have been discovered to be playing important role in various biological processes. However, the contribution of lncRNAs to pulmonary artery hypertension (PAH) remains largely unknown. Pulmonary vascular remodeling is an important pathological feature of PAH, leading to increased vascular resistance and reduced compliance. Here, we investigated the biological role of lncRNAs in PAH. Differences in the lncRNAs and mRNAs between hypoxia PAH rats and normoxia rats were screened using microarray analysis...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150932/high-fat-diet-induced-oxidative-stress-blocks-hepatocyte-nuclear-factor-4%C3%AE-and-leads-to-hepatic-steatosis-in-mice
#5
Dongsheng Yu, Gang Chen, Minglin Pan, Jia Zhang, Wenping He, Yang Liu, Xue Nian, Liang Sheng, Bin Xu
Nonalcoholic fatty liver disease (NAFLD) is the most common form of chronic liver disease with manifestation of over-accumulation of fat in liver. Increasing evidences indicate that NAFLD may be in part caused by malfunction of very low density lipoprotein (VLDL) secretion. Hepatocyte nuclear factor 4α (HNF4α), a nuclear receptor protein, plays an important role in sustain hepatic lipid homeostasis via transcriptional regulation of genes involved in secretion of VLDL, such as apolipoprotein B (ApoB). However, the exact functional change of HNF4α in NAFLD remains to be elucidated...
November 18, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29150917/regulation-of-mesenchymal-stem-cell-differentiation-by-transforming-growth-factor-beta-superfamily
#6
Jelena Krstic, Drenka Trivanovic, Hristina Obradovic, Tamara Kukolj, Diana Bugarski, Juan F Santibanez
The ability to differentiate into cells of different lineage, such as muscle, bone, cartilage and fat, is the chief value of adult mesenchymal stem cells (MSCs) which can be used with the final aim to regenerate damaged tissue. Due to potential use, as well as importance in tissue development, a number of questions have been raised regarding the molecular mechanisms of MSC differentiation. As one of the crucial mediators in organism development, transforming growth factor beta (TGF-β) superfamily directs MSCs commitment in the selection of differentiation pathways...
November 16, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/29150663/publisher-correction-genome-wide-identification-and-expression-analyses-of-the-homeobox-transcription-factor-family-during-ovule-development-in-seedless-and-seeded-grapes
#7
Yunduan Li, Yanxun Zhu, Jin Yao, Songlin Zhang, Li Wang, Chunlei Guo, Steve van Nocker, Xiping Wang
 A correction to this article has been published and is linked from the HTML version of this paper. The error has been fixed in the paper.
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150659/ectopic-foxp3-expression-preserves-primitive-features-of-human-hematopoietic-stem-cells-while-impairing-functional-t-cell-differentiation
#8
F R Santoni de Sio, L Passerini, M M Valente, F Russo, L Naldini, M G Roncarolo, R Bacchetta
FOXP3 is the transcription factor ruling regulatory T cell function and maintenance of peripheral immune tolerance, and mutations in its coding gene causes IPEX autoimmune syndrome. FOXP3 is also a cell-cycle inhibitor and onco-suppressor in different cell types. In this work, we investigate the effect of ectopic FOXP3 expression on HSC differentiation and we challenged this approach as a possible HSC-based gene therapy for IPEX. FOXP3-expressing HSC showed reduced proliferation ability and increased maintenance of primitive markers in vitro in both liquid and OP9-ΔL1 co-cultures...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150654/primary-aldosteronism-patients-show-skin-alterations-and-abnormal-activation-of-glucocorticoid-receptor-in-keratinocytes
#9
Julia Boix, Judit Bigas, Lisa M Sevilla, Maurizio Iacobone, Marilisa Citton, Francesca Torresan, Brasilina Caroccia, Gian Paolo Rossi, Paloma Pérez
Primary aldosteronism (PA) is a disease characterized by high aldosterone levels caused by benign adrenal tumors being the most frequent cause of secondary hypertension. Aldosterone plays vital physiological roles through the mineralocorticoid receptor (MR) but in certain cell types, it can also activate the glucocorticoid (GC) receptor (GR). Both MR and GR are structurally and functionally related and belong to the same family of ligand-dependent transcription factors that recognize identical GC regulatory elements (GREs) on their target genes...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150637/ml-proteins-from-mesorhizobium-loti-and-mucr-from-brucella-abortus-an-at-rich-core-dna-target-site-and-oligomerization-ability
#10
Ilaria Baglivo, Luciano Pirone, Emilia Maria Pedone, Joshua Edison Pitzer, Lidia Muscariello, Maria Michela Marino, Gaetano Malgieri, Andrea Freschi, Angela Chambery, Roy-Martin Roop Ii, Paolo Vincenzo Pedone
Mesorhizobium loti contains ten genes coding for proteins sharing high amino acid sequence identity with members of the Ros/MucR transcription factor family. Five of these Ros/MucR family members from Mesorhizobium loti (Ml proteins) have been recently structurally and functionally characterized demonstrating that Ml proteins are DNA-binding proteins. However, the DNA-binding studies were performed using the Ros DNA-binding site with the Ml proteins. Currently, there is no evidence as to when the Ml proteins are expressed during the Mesorhizobium lo ti life cycle as well as no information concerning their natural DNA-binding site...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29150563/nfat5-regulated-macrophage-polarization-supports-the-proinflammatory-function-of-macrophages-and-t-lymphocytes
#11
Mónica Tellechea, Maria Buxadé, Sonia Tejedor, Jose Aramburu, Cristina López-Rodríguez
Macrophages are exquisite sensors of tissue homeostasis that can rapidly switch between pro- and anti-inflammatory or regulatory modes to respond to perturbations in their microenvironment. This functional plasticity involves a precise orchestration of gene expression patterns whose transcriptional regulators have not been fully characterized. We had previously identified the transcription factor NFAT5 as an activator of TLR-induced responses, and in this study we explore its contribution to macrophage functions in different polarization settings...
November 17, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29150554/cancer-cells-induce-interleukin-22-production-from-memory-cd4-t-cells-via-interleukin-1-to-promote-tumor-growth
#12
Cornelia Voigt, Peter May, Adrian Gottschlich, Anamarija Markota, Daniel Wenk, Inga Gerlach, Sebastian Voigt, Georgios T Stathopoulos, Kristina A M Arendt, Constanze Heise, Felicitas Rataj, Klaus-Peter Janssen, Melanie Königshoff, Hauke Winter, Isabelle Himsl, Wolfgang E Thasler, Max Schnurr, Simon Rothenfußer, Stefan Endres, Sebastian Kobold
IL-22 has been identified as a cancer-promoting cytokine that is secreted by infiltrating immune cells in several cancer models. We hypothesized that IL-22 regulation would occur at the interface between cancer cells and immune cells. Breast and lung cancer cells of murine and human origin induced IL-22 production from memory CD4(+) T cells. In the present study, we found that IL-22 production in humans is dependent on activation of the NLRP3 inflammasome with the subsequent release of IL-1β from both myeloid and T cells...
November 17, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29150527/transcriptional-regulators-of-redox-balance-and-other-homeostatic-processes-with-the-potential-to-alter-neurodegenerative-disease-trajectory
#13
REVIEW
Scott W Burnside, Giles E Hardingham
Diverse neurodegenerative diseases share some common aspects to their pathology, with many showing evidence of disruption to the brain's numerous homeostatic processes. As such, imbalanced inflammatory status, glutamate dyshomeostasis, hypometabolism and oxidative stress are implicated in many disorders. That these pathological processes can influence each other both up- and downstream makes for a complicated picture, but means that successfully targeting one area may have an effect on others. This targeting requires an understanding of the mechanisms by which homeostasis is maintained during health, in order to uncover strategies to boost homeostasis in disease...
November 17, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/29150442/functional-analyses-of-a-human-vascular-tumor-fos-variant-identify-a-novel-degradation-mechanism-and-a-link-to-tumorigenesis
#14
David G P van Ijzendoorn, Zary Forghany, Frauke Liebelt, Alfred C Vertegaal, Aart G Jochemsen, Judith V M G Bovée, Karoly Szuhai, David A Baker
Epithelioid hemangioma is a locally aggressive vascular neoplasm, found in bones and soft tissue, whose cause is currently unknown, but may involve oncogene activation. FOS was one of the earliest viral oncogenes to be characterized and normal cellular FOS forms part of the activator protein 1 (AP-1) transcription factor complex which plays a pivotal role in cell growth, differentiation and survival as well as the DNA damage response. Despite this, to date, a causal link between aberrant FOS function and naturally occurring tumors has not been established...
November 17, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29150239/tissue-resident-macrophages-are-locally-programmed-for-silent-clearance-of-apoptotic-cells
#15
Allison W Roberts, Bettina L Lee, Jacques Deguine, Shinu John, Mark J Shlomchik, Gregory M Barton
Although apoptotic cells (ACs) contain nucleic acids that can be recognized by Toll-like receptors (TLRs), engulfment of ACs does not initiate inflammation in healthy organisms. Here we identified macrophage populations that continually engulf ACs in distinct tissues and found that these macrophages share characteristics compatible with immunologically silent clearance of ACs; such characteristics include high expression of AC recognition receptors, low expression of TLR9, and reduced TLR responsiveness to nucleic acids...
November 13, 2017: Immunity
https://www.readbyqxmd.com/read/29150011/optimization-of-crispr-cas9-genome-editing-for-loss-of-function-in-the-early-chick-embryo
#16
Shashank Gandhi, Michael L Piacentino, Felipe M Vieceli, Marianne E Bronner
The advent of CRISPR/Cas9 has made genome editing possible in virtually any organism, including those not previously amenable to genetic manipulations. Here, we present an optimization of CRISPR/Cas9 for application to early avian embryos with improved efficiency via a three-fold strategy. First, we employed Cas9 protein flanked with two nuclear localization signal sequences for improved nuclear localization. Second, we used a modified guide RNA (gRNA) scaffold that obviates premature termination of transcription and unstable Cas9-gRNA interactions...
December 1, 2017: Developmental Biology
https://www.readbyqxmd.com/read/29149891/how-do-occupational-rehabilitation-clinicians-approach-participants-on-long-term-sick-leave-in-order-to-facilitate-return-to-work-a-focus-group-study
#17
M Eftedal, A M Kvaal, E Ree, I Øyeflaten, S Maeland
BACKGROUND: The objective of this study was to explore occupational rehabilitation clinicians' experiences on how to approach their participants on long-term sick leave in order to facilitate return to work (RTW). METHODS: An exploratory qualitative design was used. Four focus groups were conducted with 29 clinicians working on interdisciplinary inpatient and outpatient occupational rehabilitation teams in Norway. The clinicians shared narratives from clinical practice...
November 17, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/29149835/forkhead-transcription-factors-formulating-a-foxo-target-for-cognitive-loss
#18
Kenneth Maiese
BACKGROUND: With almost 47 million individuals worldwide suffering from some aspect of dementia, it is clear that cognitive loss impacts a significant proportion of the global population. Unfortunately, definitive treatments to resolve or prevent the onset of cognitive loss are limited. In most cases such care is currently non-existent prompting the need for novel treatment strategies. METHODS: Mammalian forkhead transcription factors of the O class (FoxO) are one such avenue of investigation that offer an exciting potential to bring new treatments forward for disorders that involve cognitive loss...
November 15, 2017: Current Neurovascular Research
https://www.readbyqxmd.com/read/29149781/macrophages-from-behcet-s-disease-patients-express-decreased-level-of-aryl-hydrocarbon-receptor-ahr-mrna
#19
Mohammad Taghi Palizgir, Maryam Akhtari, Mahdi Mahmoudi, Shayan Mostafaei, Alireza Rezaeimanesh, Massoomeh Akhlaghi, Farhad Shahram
Aryl hydrocarbon receptor (AHR) is a ligand-activated transcription factor, connecting environmental stimulators with the immune system. M1 macrophages are a part of immune system that contribute to the inflammatory events in the pathogenesis of Behcet's disease (BD). The effect of AHR on the macrophages in BD patients is still unclear. In this study, we investigated the mRNA expression of AHR in the monocyte-derived and M1 macrophages in active BD patients in comparison to healthy controls. Isolated monocytes from 10 healthy controls and 10 active BD patients were differentiated to macrophages by macrophage-colony stimulating factor (M-CSF) for 7 days...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/29149780/interleukin-37-relieves-allergic-inflammation-in-a-house-dust-mite-allergic-rhinitis-murine-model
#20
Do Hyun Kim, Si Won Kim, Soo Whan Kim, Jun-Myung Kang
The purpose of this study was to investigate the effects of interleukin-37 (IL-37) on a Dermatophagoides farinae (Der f)-induced murine model of allergic rhinitis (AR). BALB/c mice, except the control groups, were sensitized intraperitoneally and challenged intranasally with Der f (Der f group). The IL-37 and IL-37+anti-CD25 groups were administered IL-37 intranasally. The IL-37+anti-CD25 groups were administered anti-CD25 monoclonal antibody intraperitoneally before challenge. Allergic symptoms and the average eosinophil number were counted...
October 2017: Iranian Journal of Allergy, Asthma, and Immunology
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