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notch gene

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https://www.readbyqxmd.com/read/28642682/neuritin-inhibits-notch-signaling-through-interacted-with-neuralized-to-promote-the-neurite-growth
#1
Pan Zhang, Xing Luo, Zheng Guo, Anying Xiong, Hongchang Dong, Qiao Zhang, Chunyan Liu, Jingling Zhu, Haiyan Wang, Na Yu, Jinli Zhang, Yu Hong, Lei Yang, Jin Huang
Neuritin plays a key role in neural development and regeneration by promoting neurite outgrowth and synapse maturation. However, the mechanism of neuritin in modulating neurite growth has not been elucidated. Here, using yeast two-hybrid we screened and discovered the interaction of neuritin and neuralized (NEURL1), which is an important regulator that can activate Notch signaling through promoting endocytosis of Notch ligand. And then we identified the interaction of neuritin and neuralized by co-immunoprecipitation (IP) assays, and clarified that neuritin and NEURL1 were co-localized on the cell membrane of SH-SY5Y cells...
2017: Frontiers in Molecular Neuroscience
https://www.readbyqxmd.com/read/28638111/transcriptome-analyses-of-taste-organoids-reveal-multiple-pathways-involved-in-taste-cell-generation
#2
Wenwen Ren, Eitaro Aihara, Weiwei Lei, Nishi Gheewala, Hironobu Uchiyama, Robert F Margolskee, Ken Iwatsuki, Peihua Jiang
Taste cells undergo constant turnover throughout life; however, the molecular mechanisms governing taste cell generation are not well understood. Using RNA-Seq, we systematically surveyed the transcriptome landscape of taste organoids at different stages of growth. Our data show the staged expression of a variety of genes and identify multiple signaling pathways underlying taste cell differentiation and taste stem/progenitor cell proliferation. For example, transcripts of taste receptors appear only or predominantly in late-stage organoids...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637464/kaiso-differentially-regulates-components-of-the-notch-signaling-pathway-in-intestinal-cells
#3
Shaiya C Robinson, Kristina Klobucar, Christina C Pierre, Amna Ansari, Svetlana Zhenilo, Egor Prokhortchouk, Juliet M Daniel
BACKGROUND: In mammalian intestines, Notch signaling plays a critical role in mediating cell fate decisions; it promotes the absorptive (or enterocyte) cell fate, while concomitantly inhibiting the secretory cell fate (i.e. goblet, Paneth and enteroendocrine cells). We recently reported that intestinal-specific Kaiso overexpressing mice (Kaiso (Tg) ) exhibited chronic intestinal inflammation and had increased numbers of all three secretory cell types, hinting that Kaiso might regulate Notch signaling in the gut...
June 21, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28637014/a-combination-of-valproic-acid-sodium-salt-chir99021-e-616452-tranylcypromine-and-3-deazaneplanocin-a-causes-stem-cell-like-characteristics-in-cancer-cells
#4
Shuang Sha, Yuanfen Zhai, Chengzhao Lin, Heyong Wang, Qing Chang, Shuang Song, Mingqiang Ren, Gentao Liu
Many studies are based on the hypothesis that recurrence and drug resistance in lung carcinoma are due to a subpopulation of cancer stem-like cells (CSLCs) in solid tumors. Therefore it is crucial to screen for and recognize lung CSLCs. In this study, we stimulated non-small cell lung cancer (NSCLC) A549 cells to display stem cell-like characteristics using a combination of five small molecule compounds. The putative A549 stem cells activated an important CSLC marker, CD133 protein, as well multiple CSLC-related genes including ATP-binding cassette transporter G2 (ABCG2), C-X-C chemokine receptor type 4 (CXCR4), NESTIN, and BMI1...
June 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28637009/jagged-2-jag2-enhances-tumorigenicity-and-chemoresistance-of-colorectal-cancer-cells
#5
Vivek Vaish, Joohwee Kim, Minsub Shim
Colorectal cancer (CRC) is one of the leading causes of cancer-related mortality. Recent studies have stated that NOTCH signaling plays an important role in the development and progression of CRC. However, the role of Jagged-2 (JAG2), one of the NOTCH ligands, has not been delineated in colorectal tumorigenesis and drug resistance. In the present study, we have examined the impact of targeting JAG2 on CRC cells. Among all the members of NOTCH ligands, only the expression of JAG2 was found up-regulated in the intestinal tumors of ApcMin/+ mice as compared to the nearby normal mucosa...
June 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28636804/new-insights-into-global-biogeography-population-structure-and-natural-selection-from-the-genome-of-the-epipelagic-copepod-oithona
#6
Mohammed-Amin Madoui, Julie Poulain, Kevin Sugier, Marc Wessner, Benjamin Noel, Leo Berline, Karine Labadie, Astrid Cornils, Leocadio Blanco-Bercial, Lars Stemmann, Jean-Louis Jamet, Patrick Wincker
In the epipelagic ocean the genus Oithona is considered as one of the most abundant and widespread copepods and plays an important role in the trophic food web. Despite its ecological importance, little is known about the Oithona and cyclopoid copepods genomics. Therefore, we sequenced, assembled and annotated the genome of Oithona nana. The comparative genomic analysis integrating available copepod genomes highlighted the expansions of genes related to stress response, cell differentiation, and development, including genes coding Lin12-Notch-Repeat (LNR) domain proteins...
June 21, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28636457/notch-signaling-in-lung-diseases
#7
Jiehan Jiang, Kui Xiao, Ping Chen
NOTCH is a fundamental signaling system that regulates normal embryonic development and tissue homeostasis in adult life. NOTCH receptor is a single-pass transmembrane protein normally triggered via direct cell-to-cell contact, in which NOTCH ligands bind the extracellular domain of the receptor, inducing γ-secretase cleavage and release of intracellular domain. The intracellular domain binds to the transcriptional effector RBPJκ to activate transcription of target genes that regulate cell differentiation, patterning, and morphogenesis during embryonic development and adult life...
June 21, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28631837/transcriptional-and-histological-alterations-in-gonad-of-adult-zebrafish-after-exposure-to-the-synthetic-progestin-norgestrel
#8
Wen-Jun Shi, Jian-Liang Zhao, Yu-Xia Jiang, Guo-Yong Huang, You-Sheng Liu, Jin-Na Zhang, Guang-Guo Ying
The aim of this study was to investigate the effects of Norgestrel (NGT) on the gonadal development in adult zebrafish. Adult zebrafish were exposed to NGT for 14 days at 871 ng L(-1) for microarray analysis, and a follow-up experiment was conducted to further study targeted pathway in adult zebrafish after exposure to NGT at 6.7 ng L(-1) , 83 ng L(-1) and 912 ng L(-1) by quantitative PCR (qPCR) and histology analysis. The microarray analysis revealed that 11545 transcripts were identified. Gene ontology analysis showed organ development, system development, multicellular organismal development, single-organism developmental process and developmental process were significantly enriched...
June 20, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28630090/t-cell-transcriptomes-from-paroxysmal-nocturnal-hemoglobinuria-patients-reveal-novel-signaling-pathways
#9
Kohei Hosokawa, Sachiko Kajigaya, Keyvan Keyvanfar, Wangmin Qiao, Yanling Xie, Danielle M Townsley, Xingmin Feng, Neal S Young
Paroxysmal nocturnal hemoglobinuria (PNH) is a rare acquired disorder originating from hematopoietic stem cells and is a life-threating disease characterized by intravascular hemolysis, bone marrow (BM) failure, and venous thrombosis. The etiology of PNH is a somatic mutation in the phosphatidylinositol glycan class A gene (PIG-A) on the X chromosome, which blocks synthesis of the glycolipid moiety and causes deficiency in GPI-anchored proteins. PNH is closely related to aplastic anemia, in which T cells mediate destruction of BM...
June 19, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28623607/presenilin-1-targeted-morpholino-induces-cognitive-deficits-increased-brain-a%C3%AE-1-42-and-decreased-synaptic-marker-psd-95-in-zebrafish-larvae
#10
Laura Roesler Nery, Natalia Eltz Silva, Raphaela Fonseca, Monica Ryff Moreira Vianna
Presenilins are transmembrane proteases required for the proteolytic cleavage of Notch and also act as the catalytic core of the γ-secretase complex, which is responsible for the final cleavage of the amyloid precursor protein into Amyloid-β (Aβ) peptides of varying lengths. Presenilin-1 gene (psen1) mutations are the main cause of early-onset autosomal-dominant Familial Alzheimer Disease. Elucidating the roles of Presenilin-1 and other hallmark proteins involved in Alzheimer's disease is crucial for understanding the disease etiology and underlying molecular mechanisms...
June 16, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28622887/genetic-etiology-of-oral-cancer
#11
REVIEW
Johar Ali, Bibi Sabiha, Hanif Ullah Jan, Syed Adnan Haider, Abid Ali Khan, Saima S Ali
Head and neck squamous cell carcinoma (HNSCC) is the sixth most common cancer worldwide. It accounts for 2.5% of all new cancer cases and 1.9% of all cancer deaths annually. More than 90% of oral cancers (occurring in the mouth, lip, and tongue) are oral squamous cell carcinoma. The incidence rate of oral cancer varies widely throughout the world, with an evident prevalence in South Asian countries. This high incidence occurs in correlation with oral cancer-associated behaviors such as alcohol, tobacco use...
July 2017: Oral Oncology
https://www.readbyqxmd.com/read/28621429/the-sumo-targeted-ubiquitin-ligase-dgrn-is-essential-for-drosophila-innate-immunity
#12
Bella Koltun, Eliza Shackelford, François Bonnay, Nicolas Matt, Jean Marc Reichhart, Amir Orian
The ability of metazoans to combat pathogenic infection involves both systemic and local responses to the invading pathogens. Ubiquitin and SUMO pathways molecularly regulate the response to infection, immune signaling and gene expression. Here, we report that Degringolade (Dgrn, CG10981), a SUMO-targeted ubiquitin ligase connecting the two pathways, is essential for the innate immunity response in Drosophila. dgrn(DK) null and heterozygous mutant adult flies are severely immune-compromised and succumb rapidly to both pathogenic bacteria and fungi infections...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28621224/hypermethylation-of-adjacent-cpg-sites-is-negatively-correlated-with-the-expression-of-lineage-oncogene-ascl1-in-pulmonary-neuroendocrine-tumors
#13
Nhung Truong, Sung Min Chun, Tae Im Kim, Young Ah Suh, Se Jin Jang
Achaete-scute homolog 1 is a lineage oncogene of high-grade pulmonary neuroendocrine tumors. Due to the relatively few studies investigating the epigenetic regulation of achaete-scute homolog 1 expression, we wanted to address whether DNA methylation of the achaete-scute homolog 1 CpG island is associated with clinicopathological features in pulmonary neuroendocrine tumors and to investigate its effect on the expression of this gene. Here, We performed multiplex immunohistochemistry (PerkinElmer, Waltham, MA, USA) to check for achaete-scute homolog 1 and Notch homolog 1 expression in 139 pulmonary neuroendocrine tumor samples...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28620387/notch-regulates-macrophage-mediated-inflammation-in-diabetic-wound-healing
#14
Andrew S Kimball, Amrita D Joshi, Anna E Boniakowski, Matthew Schaller, Jooho Chung, Ronald Allen, Jennifer Bermick, William F Carson, Peter K Henke, Ivan Maillard, Steve L Kunkel, Katherine A Gallagher
Macrophages are essential immune cells necessary for regulated inflammation during wound healing. Recent studies have identified that Notch plays a role in macrophage-mediated inflammation. Thus, we investigated the role of Notch signaling on wound macrophage phenotype and function during normal and diabetic wound healing. We found that Notch receptor and ligand expression are dynamic in wound macrophages during normal healing. Mice with a myeloid-specific Notch signaling defect (DNMAML(floxed)Lyz2(Cre+) ) demonstrated delayed early healing (days 1-3) and wound macrophages had decreased inflammatory gene expression...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28619820/soxf-factors-induce-notch1-expression-via-direct-transcriptional-regulation-during-early-arterial-development
#15
Ivy Kim-Ni Chiang, Martin Fritzsche, Cathy Pichol-Thievend, Alice Neal, Kelly Holmes, Anne Lagendijk, Jeroen Overman, Donatella D'Angelo, Alice Omini, Dorien Hermkens, Emmanuelle Lesieur, Ke Liu, Indrika Ratnayaka, Monica Corada, George Bou-Gharios, Jason Carroll, Elisabetta Dejana, Stefan Schulte-Merker, Benjamin Hogan, Monica Beltrame, Sarah De Val, Mathias Francois
Arterial specification and differentiation are influenced by a number of regulatory pathways. While it is known that the Vegfa-Notch cascade plays a central role in this biological process, the transcriptional hierarchy controlling arterial specification has not been fully delineated. To elucidate the direct transcriptional regulators of Notch receptor expression in arterial endothelial cells, we used histone signatures, DNaseI hypersensitivity and ChIP-seq data to identify enhancers for the human NOTCH1 and zebrafish notch1b genes...
June 15, 2017: Development
https://www.readbyqxmd.com/read/28619728/activated-notch-signaling-cascade-is-correlated-with-stem-cell-differentiation-toward-absorptive-progenitors-after-massive-small-bowel-resection-in-a-rat
#16
Igor Sukhotnik, Arnold G Coran, Yulia Pollak, Eviatar Kuhnreich, Drora Berkowitz, Amulya K Saxena
Notch signaling is thought to act to drive cell versification in the lining of the small intestine. The purpose of the present study was to evaluate the role of Notch signaling pathway in stem cell differentiationin the late stages of intestinal adaptation after massive small bowel resection in a rat. Male Sprague-Dawley rats were randomly assigned to one of two experimental groups of 8 rats each: Sham rats underwent bowel transection and re-anastomosis, SBS- rats underwent 75% small bowel resection. Rats were sacrificed on day 14...
June 15, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28619606/pivotal-roles-of-glycogen-synthase-3-in-hepatocellular-carcinoma
#17
REVIEW
Melchiorre Cervello, Giuseppa Augello, Antonella Cusimano, Maria Rita Emma, Daniele Balasus, Antonina Azzolina, James A McCubrey, Giuseppe Montalto
Hepatocellular carcinoma (HCC) is one of the most common cancers in the world, and represents the second most frequently cancer and third most common cause of death from cancer worldwide. At advanced stage, HCC is a highly aggressive tumor with a poor prognosis and with very limited response to common therapies. Therefore, there is still the need for new effective and well-tolerated therapeutic strategies. Molecular-targeted therapies hold promise for HCC treatment. One promising molecular target is the multifunctional serine/threonine kinase glycogen synthase kinase 3 (GSK-3)...
June 6, 2017: Advances in Biological Regulation
https://www.readbyqxmd.com/read/28617078/interplay-between-notch-and-p53-promotes-neuronal-cell-death-in-ischemic-stroke
#18
Priyanka Balaganapathy, Sang-Ha Baik, Karthik Mallilankaraman, Christopher G Sobey, Dong-Gyu Jo, Thiruma V Arumugam
Stroke is the world's second leading cause of mortality, with a high incidence of morbidity. Numerous neuronal membrane receptors are activated by endogenous ligands and may contribute to infarct development. Notch is a well-characterized membrane receptor involved in cell differentiation and proliferation, and now shown to play a pivotal role in cell death during ischemic stroke. Blockade of Notch signaling by inhibition of γ-secretase, an enzyme that generates the active form of Notch, is neuroprotective following stroke...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28611255/a-kinome-rnai-screen-in-drosophila-identifies-novel-genes-interacting-with-lgl-apkc-and-crb-cell-polarity-genes-in-epithelial-tissues
#19
Linda M Parsons, Nicola A Grzeschik, Kasun Amaratunga, Peter Burke, Leonie M Quinn, Helena E Richardson
In both Drosophila melanogaster and mammalian systems, epithelial structure and underlying cell polarity are essential for proper tissue morphogenesis and organ growth. Cell polarity interfaces with multiple cellular processes that are regulated by the phosphorylation status of large protein networks. To gain insight into the molecular mechanisms that coordinate cell polarity with tissue growth, we screened a boutique collection of RNAi stocks targeting the kinome for their capacity to modify Drosophila 'cell polarity' eye and wing phenotypes...
June 13, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28611181/ligand-activated-notch-undergoes-dtx4-mediated-ubiquitylation-and-bilateral-endocytosis-before-adam10-processing
#20
Patricia Chastagner, Eric Rubinstein, Christel Brou
The Notch signaling pathway, which is activated by cell-cell contact, is a major regulator of cell fate decisions. Mammalian Notch1 is present at the cell surface as a heterodimer of the Notch extracellular domain associated with the transmembrane and intracellular domains. After ligand binding, Notch undergoes proteolysis, releasing the Notch intracellular domain (NICD) that regulates gene expression. We monitored the early steps of activation with biochemical analysis, immunofluorescence analysis, and live-cell imaging of Notch1-expressing cells...
June 13, 2017: Science Signaling
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