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nuclear receptor subfamily 4

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https://www.readbyqxmd.com/read/28385514/nr4a2-genetic-variation-and-parkinson-s-disease-evidence-from-a-systematic-review-and-meta-analysis
#1
Hongmei Liu, Hongbo Liu, Ting Li, Jiayi Cui, Yingmei Fu, Juanjuan Ren, Xiujia Sun, Ping Jiang, Shunying Yu, Chunbo Li
INTRODUCTION: the homo sapiens nuclear receptor subfamily 4, group A (NR4A2) genetic variation has been implicated as a risk factor for Parkinson's disease (PD). Nevertheless, the results are inconclusive. We conducted a comprehensive systematic review and meta-analysis to quantify the impact of NR4A2 variation on the risk of PD. METHODS: all eligible case-control studies published up to June 2016 by searching Pubmed, OVID, EBSCO, PsycINFO, ISI Web of Knowledge, Chinese Biomedical Literature Database and China Academic Journals Database were identified...
April 4, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28346829/polymorphisms-in-the-glucocorticoid-receptor-gene-and-associations-with-glucocorticoid-induced-avascular-osteonecrosis-of-the-femoral-head
#2
Zhanqin Zhao, Yun Xue, Dun Hong, Hongjun Zhang, Zhigang Hu, Shunwu Fan, Haixiao Chen
AIMS: Individual sensitivity to glucocorticoid (GC) therapy might play a pivotal role in the development of GC-induced avascular necrosis of the femoral head (GANFH). In a growing number of studies, common polymorphisms of the glucocorticoid receptor gene (nuclear receptor subfamily 3 group C member 1 [NR3C1]) have been associated with variability in the individual sensitivity to GCs. However, whether the NR3C1 gene polymorphisms actually influence the susceptibility of GANFH remains unknown...
March 27, 2017: Genetic Testing and Molecular Biomarkers
https://www.readbyqxmd.com/read/28339047/hypothalamo%C3%A2-hypophysial-system-in-rats-with-autotransplantation-of-the-adrenal-cortex
#3
Nae Takizawa, Susumu Tanaka, Souichi Oe, Taro Koike, Tadashi Matsuda, Hisao Yamada
Patients with bilateral pheochromocytoma often require an adrenalectomy. Autotransplantation of the adrenal cortex is an alternative therapy that could potentially be performed instead of receiving glucocorticoid replacement following adrenalectomy. Adrenal cortex autotransplantation aims to avoid the side effects of long‑term steroid treatment and adrenal insufficiency. Although the function of the hypothalamo‑hypophysial system is critical for patients who have undergone adrenal cortex autotransplantation, the details of that system, with the exception of adrenocorticotropic hormone in the subjects with adrenal autotransplantation, have been overlooked for a long time...
March 24, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28337303/the-involvement-and-possible-mechanism-of-nr4a1-in-chondrocyte-apoptosis-during-osteoarthritis
#4
Xinge Shi, Hui Ye, Xuedong Yao, Yanzheng Gao
Osteoarthritis (OA) is a joint disease caused by the breakdown of joint cartilage and underlying bone, and places great burdens to daily life of patients. Nuclear orphan receptor nuclear receptor subfamily 4, group A, member 1 (NR4A1) is vital for cell apoptosis, but little is known about its role in OA. This study aims to reveal the expression and function of NR4A1 during OA chondrocyte apoptosis. NR4A1 expression by qRT-PCR and western blot, and chondrocyte apoptosis by TUNEL assay were detected in normal and OA joint cartilage...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28210900/false-responses-of-renilla-luciferase-reporter-control-to-nuclear-receptor-tr4
#5
Dongyun Zhang, Sam S Atlasi, Krishna K Patel, Zihao Zhuang, Anthony P Heaney
Renilla luciferase reporter is a widely used internal control in dual luciferase reporter assay system, where its transcription is driven by a constitutively active promoter. However, the authenticity of the Renilla luciferase response in some experimental settings has recently been questioned. Testicular receptor 4 (TR4, also known as NR2C2) belongs to the subfamily 2 of nuclear receptors. TR4 binds to a direct repeat regulatory element in the promoter of a variety of target genes and plays a key role in tumorigenesis, lipoprotein regulation, and central nervous system development...
February 16, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28177524/in-vivo-expression-of-nurr1-nr4a2a-in-developing-retinal-amacrine-subtypes-in-zebrafish-tg-nr4a2a-egfp-transgenics
#6
Liana Goodings, Jie He, Alasdair J Wood, William A Harris, Peter D Currie, Patricia R Jusuf
The Nuclear receptor subfamily 4 group A member 2 (Nr4a2) is crucial for the formation or maintenance of dopaminergic neurons in the central nervous system including the retina, where dopaminergic amacrine cells contribute to visual function. Little is known about which cells express Nr4a2 at which developmental stage. Furthermore, whether Nr4a2 functions in combination with other genes is poorly understood. Thus, we generated a novel transgenic to visualize Nr4a2 expression in vivo during zebrafish retinogenesis...
June 1, 2017: Journal of Comparative Neurology
https://www.readbyqxmd.com/read/28163108/consumption-of-protein-enriched-milk-has-minor-effects-on-inflammation-in-older-adults-a-12-week-double-blind-randomized-controlled-trial
#7
Gyrd O Gjevestad, Inger Ottestad, Anne Sofie Biong, Per Ole Iversen, Kjetil Retterstøl, Truls Raastad, Bjørn S Skålhegg, Stine M Ulven, Kirsten B Holven
INTRODUCTION: Aging is associated with increased levels of circulating inflammatory markers and reduced muscle mass and strength. OBJECTIVE: We investigated whether intake of protein-enriched milk for 12 weeks would influence markers of inflammation among adults ≥70years of age with reduced physical strength. METHODS: In a double-blind randomized controlled intervention study, subjects were randomly allocated into two groups, receiving a protein-enriched milk (2×20g protein/d, n=14, mean (±SD) age 76...
February 3, 2017: Mechanisms of Ageing and Development
https://www.readbyqxmd.com/read/28130067/farnesoid-x-receptor-activation-promotes-hepatic-amino-acid-catabolism-and-ammonium-clearance-in-mice
#8
Vittoria Massafra, Alexandra Milona, Harmjan R Vos, Rúben J J Ramos, Johan Gerrits, Ellen C L Willemsen, José M Ramos Pittol, Noortje Ijssennagger, Martin Houweling, Hubertus C M T Prinsen, Nanda M Verhoeven-Duif, Boudewijn M Burgering, Saskia W C van Mil
BACKGROUND & AIMS: The nuclear receptor subfamily 1 group H member 4 (NR1H4 or farnesoid X receptor [FXR]) regulates bile acid synthesis, transport, and catabolism. FXR also regulates postprandial lipid and glucose metabolism. We performed quantitative proteomic analyses of liver tissues from mice to evaluate these functions and investigate whether FXR regulates amino acid metabolism. METHODS: To study the role of FXR in mouse liver, we used mice with a disruption of Nr1h4 (FXR-knockout mice) and compared them with floxed control mice...
January 25, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28098757/role-of-mir-34a-5p-in-hematopoietic-progenitor-cells-proliferation-and-fate-decision-novel-insights-into-the-pathogenesis-of-primary-myelofibrosis
#9
Elisa Bianchi, Samantha Ruberti, Sebastiano Rontauroli, Paola Guglielmelli, Simona Salati, Chiara Rossi, Roberta Zini, Enrico Tagliafico, Alessandro Maria Vannucchi, Rossella Manfredini
Primary Myelofibrosis (PMF) is a chronic Philadelphia-negative myeloproliferative neoplasm characterized by a skewed megakaryopoiesis and an overproduction of proinflammatory and profibrotic mediators that lead to the development of bone marrow (BM) fibrosis. Since we recently uncovered the upregulation of miR-34a-5p in PMF CD34+ hematopoietic progenitor cells (HPCs), in order to elucidate its role in PMF pathogenesis here we unravelled the effects of miR-34a-5p overexpression in HPCs. We showed that enforced expression of miR-34a-5p partially constrains proliferation and favours the megakaryocyte and monocyte/macrophage commitment of HPCs...
January 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27969499/ps01-32-high-throughput-screening-of-small-molecule-inhibitors-for-nuclear-receptor-subfamily-4-group-a-member-2-nr4a2-in-human-cancers-topic-medical-oncology
#10
Satomi Yamamoto, Takefumi Komiya
No abstract text is available yet for this article.
November 2016: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/27876882/nr4a1-knockdown-suppresses-seizure-activity-by-regulating-surface-expression-of-nr2b
#11
Yanke Zhang, Guojun Chen, Baobing Gao, Yunlin Li, Shuli Liang, Xiaofei Wang, Xuefeng Wang, Binglin Zhu
Nuclear receptor subfamily 4 group A member 1 (NR4A1), a downstream target of CREB that is a key regulator of epileptogenesis, has been implicated in a variety of biological processes and was previously identified as a seizure-associated molecule. However, the relationship between NR4A1 and epileptogenesis remains unclear. Here, we showed that NR4A1 protein was predominantly expressed in neurons and up-regulated in patients with epilepsy as well as pilocarpine-induced mouse epileptic models. NR4A1 knockdown by lentivirus transfection (lenti-shNR4A1) alleviated seizure severity and prolonged onset latency in mouse models...
November 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27785371/vitamin-d-receptor-expression-in-human-bone-tissue-and-dose-dependent-activation-in-resorbing-osteoclasts
#12
Allahdad Zarei, Alireza Morovat, Kassim Javaid, Cameron P Brown
The effects of vitamin D on osteoblast mineralization are well documented. Reports of the effects of vitamin D on osteoclasts, however, are conflicting, showing both inhibition and stimulation. Finding that resorbing osteoclasts in human bone express vitamin D receptor (VDR), we examined their response to different concentrations of 25-hydroxy vitamin D3 [25(OH)D3] (100 or 500 nmol·L(-1)) and 1,25-dihydroxy vitamin D3 [1,25(OH)2D3] (0.1 or 0.5 nmol·L(-1)) metabolites in cell cultures. Specifically, CD14+ monocytes were cultured in charcoal-stripped serum in the presence of receptor activator of nuclear factor kappa-B ligand (RANKL) and macrophage colony-stimulating factor (M-CSF)...
2016: Bone Research
https://www.readbyqxmd.com/read/27720799/deletion-of-exons-3-and-4-in-the-mouse-nr1d1-gene-worsens-high-fat-diet-induced-hepatic-steatosis
#13
Hyelin Na, Ho Lee, Min-Ho Lee, Han Jeong Lim, Hyeon-Ji Kim, Yoon Jeon, Hae-Lim Kang, Mi-Ock Lee
AIMS: To elucidate the role of nuclear receptor subfamily 1, group D, member 1 (Nr1d1) in hepatic lipid metabolism and pathogenesis of nonalcoholic fatty liver diseases, Nr1d1 gene mutant mice, in which the DNA-binding domain (exons 3 and 4) was deleted (Nr1d1 Δex3/4), were challenged with a high-fat diet (HFD), and the gene expression patterns that responded to this alteration were profiled. MAIN METHODS: The Nr1d1 Δex3/4 mice were fed an HFD for 12weeks. Liver tissues were examined by histology, and lipid droplets were detected by Oil-Red O staining...
December 1, 2016: Life Sciences
https://www.readbyqxmd.com/read/27681884/induction-of-steroidogenic-cells-from-adult-stem-cells-and-pluripotent-stem-cells-review
#14
REVIEW
Takashi Yazawa, Yoshitaka Imamichi, Kaoru Miyamoto, Md Rafiqul Islam Khan, Junsuke Uwada, Akihiro Umezawa, Takanobu Taniguchi
Steroid hormones are mainly produced in adrenal glands and gonads. Because steroid hormones play vital roles in various physiological processes, replacement of deficient steroid hormones by hormone replacement therapy (HRT) is necessary for patients with adrenal and gonadal failure. In addition to HRT, tissue regeneration using stem cells is predicted to provide novel therapy. Among various stem cell types, mesenchymal stem cells can be differentiated into steroidogenic cells following ectopic expression of nuclear receptor (NR) 5A subfamily proteins, steroidogenic factor-1 (also known as adrenal 4 binding protein) and liver receptor homolog-1, with the aid of cAMP signaling...
November 30, 2016: Endocrine Journal
https://www.readbyqxmd.com/read/27667480/integrated-analysis-of-dna-methylation-and-rna%C3%A2-sequencing-data-in-down-syndrome
#15
Jiantao Zhang, Wenli Zhou, Ying Liu, Nan Li
Down syndrome (DS) is the most common birth defect in children. To investigate the mechanisms of DS, the present study analyzed the bisulfite‑sequencing (seq) data GSE42144, which was downloaded from the Gene Expression Omnibus. GSE42144 included DNA methylation data of three DS samples and three control samples, and RNA‑seq data of two DS samples and five control samples. The methylated sites in the bisulfite‑seq data were detected using Bismark and Bowtie2. The BiSeq tool was applied to determine differentially methylated regions and to identify adjacent genes...
November 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27617863/abc-transporters-and-nr4a1-identify-a-quiescent-subset-of-tissue-resident-memory-t-cells
#16
Chandra Sekhar Boddupalli, Shiny Nair, Simon M Gray, Heba N Nowyhed, Rakesh Verma, Joanna A Gibson, Clara Abraham, Deepak Narayan, Juan Vasquez, Catherine C Hedrick, Richard A Flavell, Kavita M Dhodapkar, Susan M Kaech, Madhav V Dhodapkar
Immune surveillance in tissues is mediated by a long-lived subset of tissue-resident memory T cells (Trm cells). A putative subset of tissue-resident long-lived stem cells is characterized by the ability to efflux Hoechst dyes and is referred to as side population (SP) cells. Here, we have characterized a subset of SP T cells (Tsp cells) that exhibit a quiescent (G0) phenotype in humans and mice. Human Trm cells in the gut and BM were enriched in Tsp cells that were predominantly in the G0 stage of the cell cycle...
October 3, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27587263/crtc1-function-during-memory-encoding-is-disrupted-in-neurodegeneration
#17
Arnaldo Parra-Damas, Meng Chen, Lilian Enriquez-Barreto, Laura Ortega, Sara Acosta, Judith Camats Perna, M Neus Fullana, José Aguilera, José Rodríguez-Alvarez, Carlos A Saura
BACKGROUND: Associative memory impairment is an early clinical feature of dementia patients, but the molecular and cellular mechanisms underlying these deficits are largely unknown. In this study, we investigated the functional regulation of the cyclic adenosine monophosphate response element binding protein (CREB)-regulated transcription coactivator 1 (CRTC1) by associative learning in physiological and neurodegenerative conditions. METHODS: We evaluated the activation of CRTC1 in the hippocampus of control mice and mice lacking the Alzheimer's disease-linked presenilin genes (presenilin conditional double knockout [PS cDKO]) after one-trial contextual fear conditioning by using biochemical, immunohistochemical, and gene expression analyses...
January 15, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/27322146/inhibition-of-dna-methyltransferase-1-increases-nuclear-receptor-subfamily-4-group-a-member-1-expression-and-decreases-blood-glucose-in-type-2-diabetes
#18
Yng-Tay Chen, Jiunn-Wang Liao, Ya-Ching Tsai, Fuu-Jen Tsai
Our previous genome-wide association studies showed that DNA methyltransferase 1 (DNMT1) is associated with increased susceptibility to type 2 diabetes (T2D) in Han Chinese individuals. Here, we aimed to further evaluate the role of DNMT1 in T2D. We performed a genome-wide DNA methylation array and found that the nuclear receptor subfamily 4 group A member 1 (NR4A1) promoter was hypermethylated in patients with T2D and in a mouse model of T2D. Moreover, DNA hypermethylation of the NR4A1 promoter reduced NR4A1 mRNA expression...
June 28, 2016: Oncotarget
https://www.readbyqxmd.com/read/27247801/single-nucleotide-polymorphisms-in-pediatric-idiopathic-nephrotic-syndrome
#19
Maija Suvanto, Timo Jahnukainen, Marjo Kestilä, Hannu Jalanko
Polymorphic variants in several molecules involved in the glomerular function and drug metabolism have been implicated in the pathophysiology of pediatric idiopathic nephrotic syndrome (INS), but the results remain inconsistent. We analyzed the association of eleven allelic variants in eight genes (angiopoietin-like 4 (ANGPTL4), glypican 5 (GPC5), interleukin-13 (IL-13), macrophage migration inhibitory factor (MIF), neural nitric oxide synthetase (nNOS), multidrug resistance-1 (MDR1), glucocorticoid-induced transcript-1 (GLCCI1), and nuclear receptor subfamily-3 (NR3C1)) in 100 INS patients followed up till adulthood...
2016: International Journal of Nephrology
https://www.readbyqxmd.com/read/27121375/the-orphan-nuclear-receptor-nr4a2-is-part-of-a-p53-microrna-34-network
#20
Jordan A Beard, Alexa Tenga, Justin Hills, Jessica D Hoyer, Milu T Cherian, Yong-Dong Wang, Taosheng Chen
Nuclear receptor subfamily 4 group A member 2 (NR4A2) is an orphan nuclear receptor that is over-expressed in cancer and promotes cell proliferation, migration, transformation, and chemoresistance. Increased expression and function of NR4A2 have been attributed to various signaling pathways, but little is known about microRNA (miRNA) regulation of NR4A2 in cancer. To investigate the posttranscriptional regulation of NR4A2, we used a 3' untranslated region (UTR) reporter screen and identified miR-34 as a putative regulator of NR4A2...
2016: Scientific Reports
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