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https://www.readbyqxmd.com/read/28389215/clock-gene-dysregulation-induced-by-chronic-er-stress-disrupts-%C3%AE-cell-function
#1
Yasuharu Ohta, Akihiko Taguchi, Takuro Matsumura, Hiroko Nakabayashi, Masaru Akiyama, Kaoru Yamamoto, Ruriko Fujimoto, Risa Suetomi, Akie Yanai, Koh Shinoda, Yukio Tanizawa
In Wfs1(-/-)A(y)/a islets, in association with endoplasmic reticulum (ER) stress, D-site-binding protein (Dbp) expression decreased and Nuclear Factor IL-3 (Nfil3)/E4 Promoter-binding protein 4 (E4bp4) expression increased, leading to reduced DBP transcriptional activity. Similar alterations were observed with chemically-induced ER stress. Transgenic mice expressing E4BP4 under the control of the mouse insulin I gene promoter (MIP), in which E4BP4 in β-cells is expected to compete with DBP for D-box, displayed remarkable glucose intolerance with severely impaired insulin secretion...
March 30, 2017: EBioMedicine
https://www.readbyqxmd.com/read/28380430/novel-rna-biomarkers-of-prostate-cancer-revealed-by-rna-seq-analysis-of-formalin-fixed-samples-obtained-from-russian-patients
#2
Anastasia S Nikitina, Elena I Sharova, Svetlana A Danilenko, Tatiana B Butusova, Alexandr O Vasiliev, Alexandr V Govorov, Elena A Prilepskaya, Dmitry Y Pushkar, Elena S Kostryukova
Due to heterogeneous multifocal nature of prostate cancer (PCa), there is currently a lack of biomarkers that stably distinguish it from benign prostatic hyperplasia (BPH), predict clinical outcome and guide the choice of optimal treatment. In this study RNA-seq analysis was applied to formalin-fixed paraffin-embedded (FFPE) tumor and matched normal tissue samples collected from Russian patients with PCa and BPH. We identified 3384 genes differentially expressed (DE) (FDR < 0.05) between tumor tissue of PCa patients and adjacent normal tissue as well as both tissue types from BPH patients...
March 23, 2017: Oncotarget
https://www.readbyqxmd.com/read/28365317/the-role-of-basic-leucine-zipper-transcription-factor-e4bp4-in-the-immune-system-and-immune-mediated-diseases
#3
REVIEW
Jinghua Yin, Jian Zhang, Qianjin Lu
Basic leucine zipper transcription factor E4BP4 (also known as NFIL3) has been implicated in the molecular and cellular mechanisms of functions and activities in mammals. The interactions between E4BP4 and major regulators of cellular processes have triggered significant interest in the roles of E4BP4 in the pathogenesis of certain chronic diseases. Indeed, novel discoveries have been emerging to illustrate the involvement of E4BP4 in multiple disorders. It is recognized that E4BP4 is extensively involved in some immune-mediated diseases, but the mechanisms of E4BP4 involvement in these complex diseases remain poorly defined...
March 30, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/28303135/a-human-lin-cd123-cd127-low-population-endowed-with-ilc-features-and-migratory-capabilities-contributes-to-immunopathological-hallmarks-of-psoriasis
#4
Luz María Mora-Velandia, Octavio Castro-Escamilla, Andrés González Méndez, Cristina Aguilar-Flores, Martha Velázquez-Avila, María Isabel Tussié-Luna, Juan Téllez-Sosa, César Maldonado-García, Fermín Jurado-Santacruz, Eduardo Ferat-Osorio, Jesus Martínez-Barnetche, Rosana Pelayo, Laura C Bonifaz
Innate lymphoid cells (ILC) are members of a heterogeneous family with a lymphoid origin that mimics the T helper (Th) cytokine profile. ILC are involved in early effector cytokine-mediated responses during infections in peripheral tissues. ILC also play an important role in chronic skin inflammatory diseases, including psoriasis. Although classical ILC express CD127, it has been recently reported that the presence of non-classical CD127(-) ILC populations and an early ILC precursor (EILP) CD127(low). ILC development has predominately been investigated in mouse models...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28296937/effects-of-circadian-clock-genes-and-health-related-behavior-on-metabolic-syndrome-in-a-taiwanese-population-evidence-from-association-and-interaction-analysis
#5
Eugene Lin, Po-Hsiu Kuo, Yu-Li Liu, Albert C Yang, Chung-Feng Kao, Shih-Jen Tsai
Increased risk of developing metabolic syndrome (MetS) has been associated with the circadian clock genes. In this study, we assessed whether 29 circadian clock-related genes (including ADCYAP1, ARNTL, ARNTL2, BHLHE40, CLOCK, CRY1, CRY2, CSNK1D, CSNK1E, GSK3B, HCRTR2, KLF10, NFIL3, NPAS2, NR1D1, NR1D2, PER1, PER2, PER3, REV1, RORA, RORB, RORC, SENP3, SERPINE1, TIMELESS, TIPIN, VIP, and VIPR2) are associated with MetS and its individual components independently and/or through complex interactions in a Taiwanese population...
2017: PloS One
https://www.readbyqxmd.com/read/28262747/smad3-promotes-cancer-progression-by-inhibiting-e4bp4-mediated-nk-cell-development
#6
Patrick Ming-Kuen Tang, Shuang Zhou, Xiao-Ming Meng, Qing-Ming Wang, Chun-Jie Li, Guang-Yu Lian, Xiao-Ru Huang, Yong-Jiang Tang, Xin-Yuan Guan, Bryan Ping-Yen Yan, Ka-Fai To, Hui-Yao Lan
TGF-β is known to influence tumour progression. Here we report an additional role of Smad3 in the tumour microenvironment regulating cancer progression. Deletion or inhibition of Smad3 in the tumour microenvironment suppresses tumour growth, invasion and metastasis in two syngeneic mouse tumour models. Smad3(-/-) bone marrow gives rise to an expanded NK cell population with enhanced tumour-suppressive activities in vivo, and promotes differentiation of NK cells ex vivo. We identify E4BP4/NFIL3 as a direct Smad3 target gene critical for NK cell differentiation...
March 6, 2017: Nature Communications
https://www.readbyqxmd.com/read/28220845/heterogeneous-nuclear-ribonucleoprotein-a1-regulates-rhythmic-synthesis-of-mouse-nfil3-protein-via-ires-mediated-translation
#7
Hyo-Jin Kim, Hwa-Rim Lee, Ji-Young Seo, Hye Guk Ryu, Kyung-Ha Lee, Do-Yeon Kim, Kyong-Tai Kim
Nuclear factor, interleukin 3, regulated (Nfil3, also known as E4 Promoter-Binding Protein 4 (E4BP4)) protein is a transcription factor that binds to DNA and generally represses target gene expression. In the circadian clock system, Nfil3 binds to a D-box element residing in the promoter of clock genes and contributes to their robust oscillation. Here, we show that the 5'-untranslated region (5'-UTR) of Nfil3 mRNA contains an internal ribosome entry site (IRES) and that IRES-mediated translation occurs in a phase-dependent manner...
February 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28158245/protein-kinase-c-theta-is-required-for-efficient-induction-of-il-10-secreting-t-cells
#8
Graham J Britton, Ruth E Mitchell, Bronwen R Burton, David C Wraith
Secretion of interleukin-10 (IL-10) by CD4+ T cells is an essential immunoregulatory mechanism. The work presented here assesses the role of the signaling molecule protein kinase C theta (PKCθ) in the induction of IL-10 expression in CD4+ T cells. Using wildtype and PKCθ-deficient Tg4 T cell receptor transgenic mice, we implemented a well-described protocol of repeated doses of myelin basic protein (MBP)Ac1-9[4Y] antigen to induce Tr1-like IL-10+ T cells. We find that PKCθ is required for the efficient induction of IL-10 following antigen administration...
2017: PloS One
https://www.readbyqxmd.com/read/28036274/comprehensive-tissue-specific-gene-set-enrichment-analysis-and-transcription-factor-analysis-of-breast-cancer-by-integrating-14-gene-expression-datasets
#9
Wen-Xing Li, Kan He, Ling Tang, Shao-Xing Dai, Gong-Hua Li, Wen-Wen Lv, Yi-Cheng Guo, San-Qi An, Guo-Ying Wu, Dahai Liu, Jing-Fei Huang
Breast cancer is the most commonly diagnosed malignancy in women. Several key genes and pathways have been proven to correlate with breast cancer pathology. This study sought to explore the differences in key transcription factors (TFs), transcriptional regulation networks and dysregulated pathways in different tissues in breast cancer. We employed 14 breast cancer datasets from NCBI-GEO and performed an integrated analysis in three different tissues including breast, blood and saliva. The results showed that there were eight genes (CEBPD, EGR1, EGR2, EGR3, FOS, FOSB, ID1 and NFIL3) down-regulated in breast tissue but up-regulated in blood tissue...
January 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28018242/network-analysis-based-approach-for-exploring-the-potential-diagnostic-biomarkers-of-acute-myocardial-infarction
#10
Jiaqi Chen, Ling Yu, Siwei Zhang, Xia Chen
Acute myocardial infarction (AMI) is a severe cardiovascular disease that is a serious threat to human life. However, the specific diagnostic biomarkers have not been fully clarified and candidate regulatory targets for AMI have not been identified. In order to explore the potential diagnostic biomarkers and possible regulatory targets of AMI, we used a network analysis-based approach to analyze microarray expression profiling of peripheral blood in patients with AMI. The significant differentially-expressed genes (DEGs) were screened by Limma and constructed a gene function regulatory network (GO-Tree) to obtain the inherent affiliation of significant function terms...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27897229/global-gene-regulation-during-activation-of-immunoglobulin-class-switching-in-human-b-cells
#11
Youming Zhang, David J Fear, Saffron A G Willis-Owen, William O Cookson, Miriam F Moffatt
Immunoglobulin class switch recombination (CSR) to IgE is a tightly regulated process central to atopic disease. To profile the B-cell transcriptional responses underlying the activation of the germinal centre activities leading to the generation of IgE, naïve human B-cells were stimulated with IL-4 and anti-CD40. Gene expression and alternative splicing were profiled over 12 days using the Affymetrix Human Exon 1.0 ST Array. A total of 1,399 genes, forming 13 temporal profiles were differentially expressed...
November 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27705792/deciphering-the-innate-lymphoid-cell-transcriptional-program
#12
Cyril Seillet, Lisa A Mielke, Daniela B Amann-Zalcenstein, Shian Su, Jerry Gao, Francisca F Almeida, Wei Shi, Matthew E Ritchie, Shalin H Naik, Nicholas D Huntington, Sebastian Carotta, Gabrielle T Belz
Innate lymphoid cells (ILCs) are enriched at mucosal surfaces, where they provide immune surveillance. All ILC subsets develop from a common progenitor that gives rise to pre-committed progenitors for each of the ILC lineages. Currently, the temporal control of gene expression that guides the emergence of these progenitors is poorly understood. We used global transcriptional mapping to analyze gene expression in different ILC progenitors. We identified PD-1 to be specifically expressed in PLZF(+) ILCp and revealed that the timing and order of expression of the transcription factors NFIL3, ID2, and TCF-1 was critical...
October 4, 2016: Cell Reports
https://www.readbyqxmd.com/read/27586240/a-novel-integrated-gene-coexpression-analysis-approach-reveals-a-prognostic-three-transcription-factor-signature-for-glioma-molecular-subtypes
#13
Sujuan Wu, Junyi Li, Mushui Cao, Jing Yang, Yi-Xue Li, Yuan-Yuan Li
BACKGROUND: Glioma is the most common brain tumor and it has very high mortality rate due to its infiltration and heterogeneity. Precise classification of glioma subtype is essential for proper therapeutic treatment and better clinical prognosis. However, the molecular mechanism of glioma is far from clear and the classical classification methods based on traditional morphologic and histopathologic knowledge are subjective and inconsistent. Recently, classification methods based on molecular characteristics are developed with rapid progress of high throughput technology...
2016: BMC Systems Biology
https://www.readbyqxmd.com/read/27521341/nfil3-expression-distinguishes-tissue-resident-nk-cells-and-conventional-nk-like-cells-in-the-mouse-submandibular-glands
#14
Timothy K Erick, Courtney K Anderson, Emma C Reilly, Jack R Wands, Laurent Brossay
The submandibular salivary gland (SMG), a major site of persistent infection for many viruses, contains a large NK cell population. Using NFIL3-deficient mice, PLZF reporter/fate mapping mice, and mixed bone marrow chimeras, we identified two distinct populations of NK cells in the SMG. Although phenotypically unique, the main population relies on NFIL3, but not PLZF, for development and, therefore, is developmentally similar to the conventional NK cell subset. In contrast, we found that approximately one quarter of the SMG NK cells develop independently of NFIL3...
September 15, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27496734/adipose-resident-group-1-innate-lymphoid-cells-promote-obesity-associated-insulin-resistance
#15
Timothy E O'Sullivan, Moritz Rapp, Xiying Fan, Orr-El Weizman, Priya Bhardwaj, Nicholas M Adams, Thierry Walzer, Andrew J Dannenberg, Joseph C Sun
Innate lymphoid cells (ILCs) function to protect epithelial barriers against pathogens and maintain tissue homeostasis in both barrier and non-barrier tissues. Here, utilizing Eomes reporter mice, we identify a subset of adipose group 1 ILC (ILC1) and demonstrate a role for these cells in metabolic disease. Adipose ILC1s were dependent on the transcription factors Nfil3 and T-bet but phenotypically and functionally distinct from adipose mature natural killer (NK) and immature NK cells. Analysis of parabiotic mice revealed that adipose ILC1s maintained long-term tissue residency...
August 16, 2016: Immunity
https://www.readbyqxmd.com/read/27420972/data-integration-for-identification-of-important-transcription-factors-of-stat6-mediated-cell-fate-decisions
#16
M Jargosch, S Kröger, E Gralinska, U Klotz, Z Fang, W Chen, U Leser, J Selbig, D Groth, R Baumgrass
Data integration has become a useful strategy for uncovering new insights into complex biological networks. We studied whether this approach can help to delineate the signal transducer and activator of transcription 6 (STAT6)-mediated transcriptional network driving T helper (Th) 2 cell fate decisions. To this end, we performed an integrative analysis of publicly available RNA-seq data of Stat6-knockout mouse studies together with STAT6 ChIP-seq data and our own gene expression time series data during Th2 cell differentiation...
June 24, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/27374150/comparative-analysis-of-gene-expression-profiles-of-hip-articular-cartilage-between-non-traumatic-necrosis-and-osteoarthritis
#17
COMPARATIVE STUDY
Wenyu Wang, Yang Liu, Jingcan Hao, Shuyu Zheng, Yan Wen, Xiao Xiao, Awen He, Qianrui Fan, Feng Zhang, Ruiyu Liu
Hip cartilage destruction is consistently observed in the non-traumatic osteonecrosis of femoral head (NOFH) and accelerates its bone necrosis. The molecular mechanism underlying the cartilage damage of NOFH remains elusive. In this study, we conducted a systematically comparative study of gene expression profiles between NOFH and osteoarthritis (OA). Hip articular cartilage specimens were collected from 12 NOFH patients and 12 controls with traumatic femoral neck fracture for microarray (n=4) and quantitative real-time PCR validation experiments (n=8)...
October 10, 2016: Gene
https://www.readbyqxmd.com/read/26985000/the-transcription-factor-nfil3-is-essential-for-normal-placental-and-embryonic-development-but-not-for-uterine-natural-killer-unk-cell-differentiation-in-mice
#18
Mackenzie L Redhead, Nathália A Portilho, Allison M Felker, Shuhiba Mohammad, Danielle L Mara, B Anne Croy
Mice ablated for the gene encoding the transcription factor Nfil3 lack peripheral natural killer (NK) cells but retain tissue-resident NK cells, particularly in mucosal sites, including virgin uterus. We undertook a time course histological study of implantation sites from syngeneically (Nfil3(-/-)) and allogeneically (BALB/c) mated Nfil3(-/-) females. We also examined implantation sites from Rag2(-/-)Il2rg(-/-) females preconditioned by adoptive transfer of Nfil3(-/-) marrow or uterine cell suspensions to identify the Nfil3(-/-) pregnancy aberrations that could be attributed to nonlymphoid cells...
May 2016: Biology of Reproduction
https://www.readbyqxmd.com/read/26925058/the-residual-innate-lymphoid-cells-in-nfil3-deficient-mice-support-suboptimal-maternal-adaptations-to-pregnancy
#19
Selma Boulenouar, Jean-Marc Doisne, Amanda Sferruzzi-Perri, Louise M Gaynor, Jens Kieckbusch, Elisa Balmas, Hong Wa Yung, Shagayegh Javadzadeh, Léa Volmer, Delia A Hawkes, Keli Phillips, Hugh J M Brady, Abigail L Fowden, Graham J Burton, Ashley Moffett, Francesco Colucci
Uterine NK cells are innate lymphoid cells (ILC) that populate the uterus and expand during pregnancy, regulating placental development and fetal growth in humans and mice. We have recently characterized the composition of uterine ILCs (uILCs), some of which require the transcription factor NFIL3, but the extent to which NFIL3-dependent cells support successful reproduction in mice is unknown. By mating Nfil3 (-/-) females with wild-type males, here we show the effects of NFIL3 deficiency in maternal cells on both the changes in uILCs during pregnancy and the downstream consequences on reproduction...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/26899944/progestins-alter-photo-transduction-cascade-and-circadian-rhythm-network-in-eyes-of-zebrafish-danio-rerio
#20
Yanbin Zhao, Karl Fent
Environmental progestins are implicated in endocrine disruption in vertebrates. Additional targets that may be affected in organisms are poorly known. Here we report that progesterone (P4) and drospirenone (DRS) interfere with the photo-transduction cascade and circadian rhythm network in the eyes of zebrafish. Breeding pairs of adult zebrafish were exposed to P4 and DRS for 21 days with different measured concentrations of 7-742 ng/L and 99-13´650 ng/L, respectively. Of totally 10 key photo-transduction cascade genes analyzed, transcriptional levels of most were significantly up-regulated, or normal down-regulation was attenuated...
February 22, 2016: Scientific Reports
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