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https://www.readbyqxmd.com/read/27909976/erratum-to-regulation-of-caveolin-1-and-junction-proteins-by-bfgf-contributes-to-the-integrity-of-blood-spinal-cord-barrier-and-functional-recovery
#1
Li-Bing Ye, Xi-Chong Yu, Qing-Hai Xia, Ying Yang, Da-Qing Chen, Fenzan Wu, Xiao-Jie Wei, Xie Zhang, Bin-Bin Zheng, Xiao-Bing Fu, Hua-Zi Xu, Xiao-Kun Li, Jian Xiao, Hong-Yu Zhang
No abstract text is available yet for this article.
December 1, 2016: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/27903584/src-independent-erk-signaling-through-the-%C3%AE-3-isoform-of-na-k-atpase
#2
Namrata Madan, Yunhui Xu, Qiming Duan, Moumita Banerjee, Isabel Larre, Sandrine V Pierre, Zijian Xie
The Na/K-ATPase α1 polypeptide supports both ion pumping and signaling functions. The Na/K-ATPase α3 polypeptide differs from α1 in both its primary structure and its tissue distribution. Alpha3 expression seems particularly important in neurons, and recent clinical evidence supports a unique role of this isoform in normal brain function. The nature of this specific role of α3 has remained elusive, because the ubiquitous presence of α1 has hindered efforts to characterize α3-specific functions in mammalian cell systems...
November 30, 2016: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/27899819/4-cholesten-3-one-suppresses-lung-adenocarcinoma-metastasis-by-regulating-translocation-of-hmgb1-hif1%C3%AE-and-caveolin-1
#3
Jinben Ma, Guobin Fu, Jing Wu, Shaoxian Han, Lishan Zhang, Ming Yang, Yong Yu, Mengyuan Zhang, Yanliang Lin, Yibing Wang
Metastasis is a great challenge in lung adenocarcinoma (ADC) therapy. Cholesterol has been implicated in ADC metastasis. 4-cholesten-3-one, as cholesterol metabolite and analog, can substitute membrane cholesterol and increase membrane fluidity. In this study, we explored the possibility that 4-cholesten-3-one inhibited ADC metastasis. Low-dose 4-cholesten-3-one significantly restrained ADC cells migration and invasion with little effects on cells viabilities. Further investigation showed that 4-cholesten-3-one promoted ROS generation, which transiently activated AMPKα1, increased HIF1α expression, reduced Bcl-2 expression and caused autophagy...
September 22, 2016: Cell Death & Disease
https://www.readbyqxmd.com/read/27895190/caveolin-1-deletion-prevents-hypertensive-vascular-remodeling-induced-by-angiotensin-ii
#4
Steven J Forrester, Katherine J Elliott, Tatsuo Kawai, Takashi Obama, Michael J Boyer, Kyle J Preston, Zhen Yan, Satoru Eguchi, Victor Rizzo
It has been proposed that membrane microdomains, caveolae, in vascular cells are critical for signal transduction and downstream functions induced by angiotensin II (AngII). We have tested our hypothesis that caveolin-1 (Cav1), a major structural protein of vascular caveolae, plays a critical role in the development of vascular remodeling by AngII via regulation of epidermal growth factor receptor and vascular endothelial adhesion molecule-1. Cav1(-/-) and control Cav(+/+) mice were infused with AngII for 2 weeks to induce vascular remodeling and hypertension...
November 28, 2016: Hypertension
https://www.readbyqxmd.com/read/27894957/dna-methylation-profiling-identifies-ptrf-cavin-1-as-a-novel-tumor-suppressor-in-ewing-sarcoma-when-co-expressed-with-caveolin-1
#5
Juan Huertas-Martínez, Franck Court, Santiago Rello-Varona, David Herrero-Martín, Olga Almacellas-Rabaiget, Miguel Sáinz-Jaspeado, Silvia Garcia-Monclús, Laura Lagares-Tena, Raquel Buj, Lourdes Hontecillas-Prieto, Ana Sastre, Daniel Azorin, Xavier Sanjuan, Roser López-Alemany, Sebastian Moran, Josep Roma, Soledad Gallego, Jaume Mora, Xavier García Del Muro, Paloma H Giangrande, Miquel A Peinado, Javier Alonso, Enrique de Alava, Dave Monk, Manel Esteller, Oscar M Tirado
Epigenetic modifications have been shown to be important in developmental tumors as Ewing sarcoma. We profiled the DNA methylation status of 15 primary tumors, 7 cell lines, 10 healthy tissues and 4 human mesenchymal stem cells lines samples using the Infinium Human Methylation 450k. Differential methylation analysis between Ewing sarcoma and reference samples revealed 1,166 hypermethylated and 864 hypomethylated CpG sites (Bonferroni p<0.05, δ-β-value with absolute difference of >0.20) corresponding to 392 and 470 genes respectively...
November 25, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27886057/age-related-modulations-of-aqp4-and-caveolin-1-in-the-hippocampus-predispose-the-toxic-effect-of-phoneutria-nigriventer-spider-venom
#6
Edilene S Soares, Leila M Stávale, Monique C P Mendonça, Andressa Coope, Maria Alice da Cruz-Höfling
We have previously demonstrated that Phoneutria nigriventer venom (PNV) causes blood-brain barrier (BBB) breakdown, swelling of astrocytes end-feet and fluid permeation into brain interstitium in rats. Caveolae and water channels respond to BBB alterations by co-participation in shear stress response and edema formation/resolution. Herein, we showed post-natal developmental-related changes of two BBB-associated transporter proteins: the endothelial caveolin-1 (Cav-1), the major scaffolding protein from caveolae frame, and the astroglial aquaporin-4 (AQP4), the main water channel protein expressed in astrocytic peri-vascular end-feet processes, in the hippocampus of rats intraperitoneally-administered PNV...
November 23, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27882079/overexpression-of-caveolin-1-reduces-taxol-resistance-in-human-osteosarcoma-cells-by-attenuating-pi3k-akt-jnk-dependent-autophagy
#7
Jian Guan, Zhenchao Yuan, Juliang He, Zhenjie Wu, Bin Liu, Xiang Lin, Ligen Mo, Hao Mo
Caveolin-1 (CAV-1), which is an oncoprotein and a tumor suppressor, is highly expressed in normal osteoblasts. Although researchers have investigated its role in human osteosarcoma, the mechanism of caveolin-1 action in osteosarcoma remains unknown. In the present study, Saos-2 and U-2 OS cells were cultured with a continuous induction protocol of gradually increasing Taxol concentration for 6 months to establish drug-resistant cell lines. CAV-1 expression levels in osteosarcoma cells were detected via western blotting and quantitative polymerase chain reaction...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27866222/the-cytoskeletal-protein-septin-11-is-associated-with-human-obesity-and-is-involved-in-adipocyte-lipid-storage-and-metabolism
#8
Natalia Moreno-Castellanos, Amaia Rodríguez, Yoana Rabanal-Ruiz, Alejandro Fernández-Vega, José López-Miranda, Rafael Vázquez-Martínez, Gema Frühbeck, María M Malagón
AIMS/HYPOTHESIS: Septins are newly identified members of the cytoskeleton that have been proposed as biomarkers of a number of diseases. However, septins have not been characterised in adipose tissue and their relationship with obesity and insulin resistance remains unknown. Herein, we characterised a member of this family, septin 11 (SEPT11), in human adipose tissue and analysed its potential involvement in the regulation of adipocyte metabolism. METHODS: Gene and protein expression levels of SEPT11 were analysed in human adipose tissue...
November 19, 2016: Diabetologia
https://www.readbyqxmd.com/read/27853367/caveolin-1-contributes-to-realgar-nanoparticle-therapy-in-human-chronic-myelogenous-leukemia-k562-cells
#9
Dan Shi, Yan Liu, Ronggang Xi, Wei Zou, Lijun Wu, Zhiran Zhang, Zhongyang Liu, Chao Qu, Baoli Xu, Xiaobo Wang
Chronic myelogenous leukemia (CML) is characterized by the t(9;22) (q34;q11)-associated Bcr-Abl fusion gene, which is an essential element of clinical diagnosis. As a traditional Chinese medicine, realgar has been widely used for the treatment of various diseases for >1,500 years. Inspired by nano-drug, realgar nanoparticles (NPs) have been prepared with an average particle size of <100 nm in a previous work. Compared with coarse realgar, the realgar NPs have higher bioavailability. As a principal constituent protein of caveolae, caveolin-1 (Cav-1) participates in regulating various cellular physiological and pathological processes including tumorigenesis and tumor development...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27852311/caveolin-1-in-the-regulation-of-cell-metabolism-a-cancer-perspective
#10
REVIEW
Zeribe Chike Nwosu, Matthias Philip Ebert, Steven Dooley, Christoph Meyer
Caveolin-1 (CAV1) is an oncogenic membrane protein associated with endocytosis, extracellular matrix organisation, cholesterol distribution, cell migration and signaling. Recent studies reveal that CAV1 is involved in metabolic alterations - a critical strategy adopted by cancer cells to their survival advantage. Consequently, research findings suggest that CAV1, which is altered in several cancer types, influences tumour development or progression by controlling metabolism. Understanding the molecular interplay between CAV1 and metabolism could help uncover druggable metabolic targets or pathways of clinical relevance in cancer therapy...
November 16, 2016: Molecular Cancer
https://www.readbyqxmd.com/read/27852071/interferon-induced-transmembrane-protein-1-ifitm1-is-required-for-the-progression-of-colorectal-cancer
#11
Ita Novita Sari, Ying-Gui Yang, Lan Thi Hanh Phi, Hyungjoo Kim, Moo Jun Baek, Dongjun Jeong, Hyog Young Kwon
Interferon-induced transmembrane protein 1 (IFITM1) has been shown to be implicated in multiple cancers, yet little is known about biological significance of IFITM1 in colorectal cancer. Here, we show that IFITM1 is highly expressed in metastatic colorectal cancer cell lines as well as colorectal patient-derived tumor samples, and its expression is associated with a poor prognosis of the disease. Also, IFITM1 depletion resulted in a significant reduction in the mobility of cancer cell lines, whereas ectopic expression of IFITM1 promoted the migration of cancer cells...
November 12, 2016: Oncotarget
https://www.readbyqxmd.com/read/27847199/triptolide-inhibits-the-migration-and-invasion-of-human-prostate-cancer-cells-via-caveolin-1-cd147-mmps-pathway
#12
Shiqi Yuan, Liping Wang, Xixi Chen, Bo Fan, Qingmin Yuan, Han Zhang, Deyong Yang, Shujing Wang
Prostate cancer (PCa) is the second most common type of carcinoma and the 5th leading cause of cancer-related death in males. Triptolide, is a main and effective component of Tripterygium wilfordii Hook F, which exerts an broad-spectrum anti-malignant tumor function. However, the effect of triptolide on migration and invasion of human prostate cancer cells is still poorly understood. In this study, we demonstrated that triptolide significantly inhibited the proliferation, migration and invasion of prostate cancer cells in a time- and dose-dependent manner...
November 12, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27832597/caveolin-1-regulation-of-disrupted-in-schizophrenia-1-as-a-potential-therapeutic-target-for-schizophrenia
#13
Adam Kassan, Junji Egawa, Zheng Zhang, Angels Almenar-Queralt, Quynh My Nguyen, Yasaman Lajevardi, Kaitlyn Kim, Edmund Posadas, Dilip V Jeste, David M Roth, Piyush M Patel, Hemal H Patel, Brian P Head
BACKGROUND: Schizophrenia is a debilitating psychiatric disorder manifested in early adulthood. Disrupted-In-Schizophrenia-1 (DISC1) is a susceptible gene for schizophrenia (54, 76, 101) implicated in neuronal development, brain maturation and neuroplasticity (12, 20). Therefore, DISC1 is a promising candidate gene for schizophrenia, but the molecular mechanisms underlying its role in the pathogenesis of the disease are still poorly understood. Interestingly, Caveolin-1 (Cav-1), a cholesterol binding and scaffolding protein, regulates neuronal signal transduction and promotes neuroplasticity...
November 2, 2016: Journal of Neurophysiology
https://www.readbyqxmd.com/read/27830743/fucose-containing-fraction-of-ling-zhi-enhances-lipid-rafts-dependent-ubiquitination-of-tgf%C3%AE-receptor-degradation-and-attenuates-breast-cancer-tumorigenesis
#14
Shu-Ming Tsao, Hsien-Yeh Hsu
Ganoderma lucidum exerts antitumor activity, but the mechanism of G. lucidum polysaccharides on cancer is unclear. Here, we demonstrated that a fucose-containing fraction of Ling-Zhi (FFLZ) reduced tumor size and suppressed metastasis in vivo. Furthermore, FFLZ inhibited breast cancer cell migration and altered the epithelial-to-mesenchymal transition (EMT) phenotype. Transforming growth factor-β receptor (TGFR) pathways act as key mediators to promote tumor progression and metastasis. We found that FFLZ down-regulated TGFR and downstream signaling pathways, including the phosphorylation of Smad2/3 and the expression of Smad4...
November 10, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27826032/sterol-regulatory-element-binding-protein-srebp-1-is-a-novel-regulator-of-the-transforming-growth-factor-tgf-%C3%AE-receptor-i-t%C3%AE-ri-through-exosomal-secretion
#15
Richard Van Krieken, Guang Chen, Bo Gao, Jolene Read, Hassan A Al Saleh, Renzhong Li, Khalid Al-Nedawi, Joan C Krepinsky
Accumulation of matrix in the glomerulus is a classic hallmark of diabetic nephropathy. The profibrotic cytokine transforming growth factor beta 1 (TGF-β1) plays a central role in the development of glomerular sclerosis. Recent studies have demonstrated that the transcription factor sterol regulatory element binding protein (SREBP)-1 is an important regulator of glomerular sclerosis through both induction of TGF-β1 as well as facilitation of its signaling. Here we have identified that SREBP-1 is also a novel regulator of TGF-β receptor I (TβRI) expression in kidney mesangial cells...
November 5, 2016: Cellular Signalling
https://www.readbyqxmd.com/read/27822288/xiao-yao-san-against-corticosterone-induced-stress-injury-via-upregulating-glucocorticoid-receptor-reaction-element-transcriptional-activity
#16
Guoping Cao, Shenglan Gong, Fengxue Zhang, Wenjun Fu
Previous studies have revealed that uncontrollable stress can impair the synaptic plasticity and firing property of hippocampal neurons, which influenced various hippocampal-dependent tasks including memory, cognition, behavior, and mood. In this work, we had investigated the effects and mechanisms of the Chinese herbal medicine Xiao Yao San (XYS) against corticosterone-induced stress injury in primary hippocampal neurons (PHN) cells. We found that XYS and RU38486 could increase cell viabilities and decrease cell apoptosis by MTT, immunofluorescence, and flow cytometry assays...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/27819256/long-term-stability-of-intracortical-recordings-using-perforated-and-arrayed-parylene-sheath-electrodes
#17
Seth A Hara, Brian J Kim, Jonathan T W Kuo, Curtis D Lee, Ellis Meng, Victor Pikov
OBJECTIVE: Acquisition of reliable and robust neural recordings with intracortical neural probes is a persistent challenge in the field of neuroprosthetics. We developed a multielectrode array technology to address chronic intracortical recording reliability and present in vivo recording results. APPROACH: The 2 × 2 Parylene sheath electrode array (PSEA) was microfabricated and constructed from only Parylene C and platinum. The probe includes a novel three-dimensional sheath structure, perforations, and bioactive coatings that improve tissue integration and manage immune response...
December 2016: Journal of Neural Engineering
https://www.readbyqxmd.com/read/27818286/inverse-expression-of-caveolin-1-and-egfr-in-thyroid-cancer-patients
#18
Jelena Janković, Svetislav Tatić, Vesna Božić, Vladan Živaljević, Dubravka Cvejić, Svetlana Paskaš
Cytological analysis of fine-needle aspiration (FNA) is the first step in evaluation of patients with nodular thyroid disease with the primary goal to exclude thyroid malignancy. Its improvement by combining cytology with molecular markers is still a matter of investigation. In this study two molecular markers were used: caveolin-1 and EGFR, along with the well-established genetic marker - BRAF V600E mutation. We set out to determine the expression signatures of EGFR and caveolin-1, in patients with thyroid malignancy, as well as to determine their possible association with disease severity...
November 3, 2016: Human Pathology
https://www.readbyqxmd.com/read/27814578/lipid-raft-er-signalosome-malfunctions-in-menopause-and-alzheimer-s-disease
#19
Ana Canerina-Amaro, Luis G Hernandez-Abad, Isidre Ferrer, David Quinto-Alemany, Fatima Mesa-Herrera, Carla Ferri, Ricardo A Puertas-Avendano, Mario Diaz, Raquel Marin
The increase in the incidence of Alzheimer's disease (AD) in old women may be attributable to estrogen deficiency, and estrogen replacement therapy may be useful in preventing or delaying the onset of this disease. In neuronal membranes, 17 beta-estradiol interacts with estrogen receptors (mERs) located in lipid raft signalosomes which trigger neuroprotective responses by anchoring to scaffolding caveolin-1 complexed with other proteins. We suggest that mER-signalosome malfunctions in AD and by menopause due to development of aberrations in these microstructures...
January 1, 2017: Frontiers in Bioscience (Scholar Edition)
https://www.readbyqxmd.com/read/27796700/benzophenone-3-increases-metastasis-potential-in-lung-cancer-cells-via-epithelial-to-mesenchymal-transition
#20
Preeyaporn Plaimee Phiboonchaiyanan, Kesarin Busaranon, Chuanpit Ninsontia, Pithi Chanvorachote
Exposure to compounds with cancer-potentiating effects can contribute to the progression of cancer. Herein we have discovered for the first time that benzophenone-3 (BP-3), a chemical used as sunscreen in various cosmetic products, enhances the ability of lung cancer cells to undergo metastasis. The exposure of the lung cancer cells to BP-3 at non-toxic concentrations significantly increased the number of anoikis resistant cells in a dose-dependent manner. Also, BP-3 increased the growth rate as well as the number of colonies accessed by anchorage-independent growth assay...
October 28, 2016: Cell Biology and Toxicology
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