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y box binding protein

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https://www.readbyqxmd.com/read/28194325/serum-yb-1-y-box-binding-protein-1-as-a-biomarker-of-bone-disease-progression-in-patients-with-breast-cancer-and-bone-metastases
#1
A R Ferreira, M Bettencourt, I Alho, A L Costa, A R Sousa, A Mansinho, C Abreu, C Pulido, D Macedo, I Vendrell, T R Pacheco, L Costa, S Casimiro
YB-1 (Y-box binding protein 1) is a multifunctional cold-shock protein that has been implicated in all hallmarks of cancer. Elevated YB-1 protein level was associated with poor prognosis in several types of cancers, including breast cancer (BC), where it is a marker of decreased overall survival (OS) and distant metastasis-free survival across all subtypes. YB-1 is also secreted by different cell types and may act as an extracellular mitogen; however the pathological implications of the secreted form of YB-1 (sYB-1) are unknown...
March 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/28185956/long-non-coding-rna-neat1-regulates-permeability-of-the-blood-tumor-barrier-via-mir-181d-5p-mediated-expression-changes-in-zo-1-occludin-and-claudin-5
#2
Junqing Guo, Heng Cai, Jun Ma, Xiaobai Liu, Yunhui Liu, Jian Zheng, Zhongyou Que, Wei Gong, Yana Gao, Wei Tao, Yixue Xue
The blood-tumor barrier (BTB) constitutes an efficient organization of tight junctions that limits the delivery of chemotherapeutic drugs to brain tumor tissues and impacts the treatment of glioma. Long non-coding RNAs (lncRNAs) are non-protein coding RNAs regulating gene expression, some lncRNAs play a crucial role in BTB permeability. However, the function of lncRNAs in BTB permeability is still largely unclear. Here, we have identified lncRNA nuclear paraspeckle assembly transcript 1 (NEAT1), was remarkably up-regulated in glioma endothelial cells (GECs) obtained from an in vitro BTB model...
February 6, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28181891/-chronic-traumatic-encephalopathy-an-old-acquaintance-in-athletes
#3
E G B Vijverberg, A C M Pijnenburg, P Scheltens, Y A L Pijnenburg
- Chronic traumatic encephalopathy (CTE) is a neurodegenerative disease caused by repetitive head injuries like those seen in sports such as boxing, American football and soccer.- The clinical features of CTE are a range of cognitive, psychiatric and motor symptoms, and histopathology involves deposits of hyperphosphorylated tau protein and the presence of TAR DNA-binding protein (TDP-43) with relatively little beta-amyloid.- CTE is difficult to differentiate clinically from Alzheimer's disease, frontotemporal dementia and psychiatric disorders because of the major symptom overlap between these conditions...
2017: Nederlands Tijdschrift Voor Geneeskunde
https://www.readbyqxmd.com/read/28161363/molecular-determinants-of-cytochrome-c-oxidase-iv-mrna-axonal-trafficking
#4
Amar N Kar, Jose Norberto S Vargas, Cai-Yun Chen, Jeffrey A Kowalak, Anthony E Gioio, Barry B Kaplan
In previous studies, we identified a putative 38-nucleotide stem-loop structure (zipcode) in the 3' untranslated region of the cytochrome c oxidase subunit IV (COXIV) mRNA that was necessary and sufficient for the axonal localization of the message in primary superior cervical ganglion (SCG) neurons. However, little is known about the proteins that interact with the COXIV-zipcode and regulate the axonal trafficking and local translation of the COXIV message. To identify proteins involved in the axonal transport of the COXIV mRNA, we used the biotinylated 38-nucleotide COXIV RNA zipcode as bait in the affinity purification of COXIV zipcode binding proteins...
February 1, 2017: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/28153731/positive-feedback-loop-of-yb-1-interacting-with-smad2-promotes-liver-fibrosis
#5
Panpan Xiong, Jun Zhang, Diannan Xu, Jie Zhu, Wenshuai Li, Jie Liu, Fei Liu
Y-box binding protein (YB-1), known as a multifunctional cellular protein in various biological processes, was recently reported to be associated with liver fibrosis. The critical role of TGF-β/Smad signaling pathway in stimulating the transcription of fibrotic genes in fibroblasts have already been identified, however, whether and how YB-1 modulated liver fibrosis via TGF-β/Smad signaling pathway remains largely unknown. In our previous study, we proved that ectopic TGF-β was associated with YB-1 expression...
January 30, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28151013/sex-determining-region-y-box-2-promotes-growth-of-lung-squamous-cell-carcinoma-and-directly-targets-cyclin-d1
#6
Chiguan Li, Bingwen He, Cuiping Huang, Huaping Yang, Liming Cao, Jun Huang, Chengping Hu
Sex-determining region Y-box 2 (SOX2) is an oncogene known to be amplified and overexpressed in various human malignancies, including lung squamous cell carcinoma (SCC). However, the role played by SOX2 in lung SCC development remains to be elucidated. We measured the levels of SOX2 and cyclin D1 mRNA and protein expression in lung SCC tissues and a lung SCC cell line, and found that both levels were dramatically upregulated in specimens of lung SCC tissue when compared with their expression levels in samples of adjacent nonneoplastic tissue...
February 2, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28123588/y-box-binding-protein-1-contributes-to-il-7-mediated-survival-signaling-in-b-cell-precursor-acute-lymphoblastic-leukemia
#7
Amina Kariminia, Sabine M Ivison, Vivian M Leung, Susanna Sung, Nicole Couto, Jacob Rozmus, Nina Rolf, Aru Narendran, Sandra E Dunn, Gregor S D Reid, Kirk R Schultz
Y-box-binding protein 1 (YB-1) is a regulatory protein that is associated with drug resistance and relapse in solid tumors. As YB-1 mediates some of its activity through growth factor receptor signaling dysregulation, the present study compared the expression of YB-1 and interleukin 7 (IL-7) receptor α (IL-7Rα) in pediatric B-cell precursor (BCP) acute lymphoblastic leukemia (ALL) and normal BCP cells. The expression levels of IL-7Rα and YB-1 were higher in relapsed vs. diagnostic samples of primary BCP ALL; however, co-expression was also observed in a minor BCP cell population in samples from healthy donors...
January 2017: Oncology Letters
https://www.readbyqxmd.com/read/28108740/positive-expression-of-y-box-binding-protein-1-and-prognosis-in-non-small-cell-lung-cancer-a-meta-analysis
#8
Liang Jiang, Gao-Le Yuan, Qi-Lian Liang, Hui-Jie Zhang, Jie Huang, Shao-Ang Cheng, Xiao-Xia Peng
BACKGROUND: Y-box binding protein 1 (YB-1) belongs to the cold shock domain protein family involved in transcription and translation. We conducted a meta-analysis of the association between YB-1 expression and the survival and clinicopathological features in NSCLC. METHODS: PubMed and Embase were searched to identify studies that evaluated the YB-1 expression (by immunohistochemistry) and overall survival (OS) in NSCLC. Hazard ratios (HRs) and 95% confidence intervals (CI) of OS were pooled...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28009354/rsk-mediated-nuclear-accumulation-of-the-cold-shock-y-box-protein-1-controls-proliferation-of-t-cells-and-t-all-blasts
#9
Steffi Gieseler-Halbach, Stefan Meltendorf, Mandy Pierau, Soenke Weinert, Florian H Heidel, Thomas Fischer, Juliane Handschuh, Ruediger C Braun-Dullaeus, Martin Schrappe, Jonathan A Lindquist, Peter R Mertens, Ulrich Thomas, Monika C Brunner-Weinzierl
Deregulated proliferation is key to tumor progression. Although unrestricted proliferation of solid tumor cells correlates with the cold-shock protein Y-box (YB)-binding protein-1 accumulation in the nuclei, little is known about its expression and function in hematopoietic malignancies, such as T-cell acute lymphoblastic leukemia (T-ALL). Here we show that YB-1 protein is highly enriched in the nuclei of activated T cells and malignant human T-ALL cell lines but not in resting T cells. YB-1 S(102) mutations that either mimic (S102D) or prevent phosphorylation (S102N) led to accumulation of YB-1 in the nucleus of T cells or strictly excluded it, respectively...
February 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28008157/the-tumor-associated-yb-1-protein-new-player-in-the-circadian-control-of-cell-proliferation
#10
Cristina Pagano, Orsola di Martino, Gennaro Ruggiero, Andrea Maria Guarino, Nathalie Mueller, Rima Siauciunaite, Markus Reischl, Nicholas Simon Foulkes, Daniela Vallone, Viola Calabrò
Correct spatial and temporal control of cell proliferation is of fundamental importance for tissue homeostasis. Its deregulation has been associated with several pathological conditions. In common with almost every aspect of plant and animal biology, cell proliferation is dominated by day-night rhythms generated by the circadian clock. However, our understanding of the crosstalk between the core clock and cell cycle control mechanisms remains incomplete. In this study, using zebrafish as a vertebrate model system, we show that the nuclear localization of the Y-box binding protein 1 (YB-1), a regulator of cyclin expression and a hallmark of certain cancers, is robustly regulated by the circadian clock...
January 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/27996033/the-xbp1-arm-of-the-unfolded-protein-response-induces-fibrogenic-activity-in-hepatic-stellate-cells-through-autophagy
#11
Rosa S Kim, Daisuke Hasegawa, Nicolas Goossens, Takuma Tsuchida, Varinder Athwal, Xiaochen Sun, Christopher L Robinson, Dipankar Bhattacharya, Hsin-I Chou, David Y Zhang, Bryan C Fuchs, Youngmin Lee, Yujin Hoshida, Scott L Friedman
Autophagy and the unfolded protein response (UPR) both promote activation of hepatic stellate cells (HSC), however the link between the two stimuli remains unclear. Here we have explored the role of X-box binding protein 1 (XBP1), one of three UPR effector pathways and sought to establish the interdependence between autophagy and the UPR during HSC activation. XBP1 induction accompanied both culture-based HSC activation and ER stress induced by tunicamycin. Ectopic overexpression of XBP1 induced collagen 1-alpha expression in HSCs, which was inhibited by knockdown of ATG7, a critical autophagy mediator...
December 20, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27978938/-mechanism-of-action-of-the-sirt1-foxo1-adipor2-signaling-pathway-in-alcoholic-fatty-liver-disease
#12
Z Sun, J Y Zhou
Long-term alcohol stimulation may inhibit the expression of silent information regulator 1 in hepatocytes, which increases the acetylation level of forkhead box transcription factor O1, reduces nuclear localization, and reduces the binding capacity of DNA sequence. This further downregulates the expression of downstream adiponectin receptor 2 and microsomal triglyceride transfer protein, causes lipid metabolism disorders and triglyceride deposition in hepatocytes by affecting adiponectin signal transduction and synthesis of very-low-density lipoprotein, and finally promotes the development of alcoholic fatty liver disease...
November 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/27977687/nuclear-factor-y-subunit-a-nf-ya-proteins-positively-regulate-flowering-and-act-through-flowering-locus-t
#13
Chamindika L Siriwardana, Nerina Gnesutta, Roderick W Kumimoto, Daniel S Jones, Zachary A Myers, Roberto Mantovani, Ben F Holt
Photoperiod dependent flowering is one of several mechanisms used by plants to initiate the developmental transition from vegetative growth to reproductive growth. The NUCLEAR FACTOR Y (NF-Y) transcription factors are heterotrimeric complexes composed of NF-YA and histone-fold domain (HFD) containing NF-YB/NF-YC, that initiate photoperiod-dependent flowering by cooperatively interacting with CONSTANS (CO) to drive the expression of FLOWERING LOCUS T (FT). This involves NF-Y and CO binding at distal CCAAT and proximal "CORE" elements, respectively, in the FT promoter...
December 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27922666/antimicrobial-peptide-ll-37-promotes-yb-1-expression-and-the-viability-migration-and-invasion-of-malignant-melanoma-cells
#14
Jinjing Jia, Yan Zheng, Wei Wang, Yongping Shao, Zhengxiao Li, Qiong Wang, Yuan Wang, Huling Yan
The cathelicidin antimicrobial peptide, LL-37, is a multifunctional peptide with a broad spectrum of antimicrobial activities, such as chemotaxis and neutralizing endotoxins. Previous studies have demonstrated that it LL‑37 serves a functional role in the development of numerous types of cancer including ovarian, breast, prostate and lung cancer. However, its role in the development of malignant melanoma (MM) remains unclear. To determine the role of LL‑37 and the potential interaction with Y-box binding protein 1 (YB‑1) in MM, RNA interference, western blot, reverse transcription-quantitative polymerase chain reaction, MTT and Transwell assays were performed...
January 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27911878/y-box-binding-protein-1-promotes-hepatocellular-carcinoma-initiating-cell-progression-and-tumorigenesis-via-wnt-%C3%AE-catenin-pathway
#15
Hsiao-Mei Chao, Hong-Xuan Huang, Po-Hsiang Chang, Kuo-Chang Tseng, Atsushi Miyajima, Edward Chern
Y-box binding protein-1 (YB-1) is a pleiotropic molecule that binds DNA to regulate genes on a transcriptional level in the nucleus and binds RNA to modulate gene translation in the cytoplasm. In our previous studies, YB-1 was also characterized as a fetal hepatic protein that regulates the maturation of hepatocytes and is upregulated during liver regeneration. Moreover, YB-1 has been shown to be expressed in human hepatocellular carcinoma (HCC). However, the role of YB-1 in HCC remains unclear. Here, we aimed to characterize the role of YB-1 in HCC...
January 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/27894167/salinomycin-reduces-stemness-and-induces-apoptosis-on-human-ovarian-cancer-stem-cell
#16
Hyun Gyo Lee, So Jin Shin, Hye Won Chung, Sang Hoon Kwon, Soon Do Cha, Jin Eui Lee, Chi Heum Cho
OBJECTIVE: Cancer stem cells (CSCs) represent a subpopulation of undifferentiated tumorigenic cells thought to be responsible for tumor initiation, maintenance, drug resistance, and metastasis. The role of CSCs in drug resistance and relapse of cancers could significantly affect outcomes of ovarian cancer patient. Therefore, therapies that target CSCs could be a promising approach for ovarian cancer treatment. The antibiotic salinomycin has recently been shown to deplete CSCs. In this study, we evaluated the effect of salinomycin on ovarian cancer stem cells (OCSCs), both alone and in combination with paclitaxel (PTX)...
November 14, 2016: Journal of Gynecologic Oncology
https://www.readbyqxmd.com/read/27889204/tauroursodeoxycholic-acid-attenuates-angiotensin-ii-induced-abdominal-aortic-aneurysm-formation-in-apolipoprotein-e-deficient-mice-by-inhibiting-endoplasmic-reticulum-stress
#17
Y Qin, Y Wang, O Liu, L Jia, W Fang, J Du, Y Wei
OBJECTIVE/BACKGROUND: Abdominal aortic aneurysm (AAA) is characterised by the infiltration of smooth muscle cell (SMC) apoptosis, inflammatory cells, neovascularisation, and degradation of the extracellular matrix. Previous work has shown that endoplasmic reticulum (ER) stress and SMC apoptosis were increased both in a mouse model and human thoracic aortic aneurysm. However, whether the ER stress is activated in AAA formation and whether suppressing ER stress attenuates AAA is unknown...
November 24, 2016: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/27884304/a-remedy-for-kidney-disease-successfully-alters-the-cold-shock-protein-response-during%C3%A2-inflammation
#18
Sabine Brandt, Peter R Mertens
Kidneys undergoing acute inflammatory responses are characterized by cell infiltration and a cytokinergic milieu. The hazard resides in the perpetuation of inflammation and ensuing fibrosis. In this issue of Kidney International, Wang et al.(4) identify the cold shock Y-box binding protein-1 as the key orchestrator of cell infiltration in experimental tubulointerstitial nephritis following ureteral obstruction. Intriguingly, a small molecule previously designed to interfere with Y-box binding protein-1 interactions mediates an anti-inflammatory response and halts fibrogenesis...
December 2016: Kidney International
https://www.readbyqxmd.com/read/27856639/the-atypical-dual-specificity-phosphatase-hyvh1-associates-with-multiple-ribonucleoprotein-particles
#19
Qiudi Geng, Besa Xhabija, Colleen Knuckle, Christopher A Bonham, Panayiotis O Vacratsis
Human YVH1 (hYVH1), also known as dual specificity phosphatase 12 (DUSP12), is a poorly characterized atypical dual specificity phosphatase widely conserved throughout evolution. Recent findings have demonstrated that hYVH1 expression affects cellular DNA content and is a novel cell survival phosphatase preventing both thermal and oxidative stress-induced cell death, whereas studies in yeast have established YVH1 as a novel 60S ribosome biogenesis factor. In this study, we have isolated novel hYVH1-associating proteins from human U2OS osteosarcoma cells using affinity chromatography coupled to mass spectrometry employing ion mobility separation...
January 13, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27845261/ddit3-suppresses-the-differentiation-of-mouse-chondroprogenitor-cells
#20
Miao Yu, Si-Qi Yi, Yan-Ru Wu, Hua-Ling Sun, Fang-Fang Song, Jia-Wei Wang
Endochondral ossification is an essential skeletal development process which is strongly linked to chondrocyte differentiation. DNA damage-inducible transcript 3 (Ddit3), a member of the CCAAT/enhancer-binding protein family of transcription factors, is highly expressed in the cartilage plate. However, the role of DNA damage-inducible transcript 3 in chondrocyte differentiation remains to be investigated. Immunofluorescent staining was used to detect Ddit3 expression in the mouse growth plate and in the mouse chondroprogenitor cell line ATDC5...
December 2016: International Journal of Biochemistry & Cell Biology
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