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https://www.readbyqxmd.com/read/28212583/role-of-topk-in-lipopolysaccharide-induced-breast-cancer-cell-migration-and-invasion
#1
Min-Ah Seol, Jung-Hwan Park, Ji Heun Jeong, Jungmook Lyu, Seung Yun Han, Sang-Muk Oh
Inflammation has been known to be linked to invasion or metastasis of breast cancer, which has poor prognosis, although the regulatory mechanism remains to be undiscovered. Here we show that T-LAK cell-originated protein kinase (TOPK) mediates pro-inflammatory endotoxin lipopolysaccharide (LPS)-induced breast cancer cell migration and invasion. The mRNA or protein level of TOPK, toll- like receptor4 (TLR4), interleukin (IL)-6, vascular endothelial growth factor (VEGF) or matrix metalloproteinase9 (MMP9) genes related to TLR4 signaling or tumor progression was induced by LPS treatment in MCF7 breast cancer cells, but the induction was abolished by stable knocking down of TOPK in MCF7 cells...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28212450/expression-and-activity-of-multidrug-resistance-proteins-in-mature-endothelial-cells-and-their-precursors-a-challenging-correlation
#2
Agnieszka Krawczenko, Aleksandra Bielawska-Pohl, Karolina Wojtowicz, Roksana Jura, Maria Paprocka, Elżbieta Wojdat, Urszula Kozłowska, Aleksandra Klimczak, Catherine Grillon, Claudine Kieda, Danuta Duś
Active cellular transporters of harmful agents-multidrug resistance (mdr) proteins-are present in tumor, stem and endothelial cells, among others. While mdr proteins are broadly studied in tumor cells, their role in non-tumor cells and the significance of their action not connected with removal of harmful xenobiotics is less extensively documented. Proper assessment of mdr proteins expression is difficult. Mdr mRNA presence is most often evaluated but that does not necessarily correlate with the protein level...
2017: PloS One
https://www.readbyqxmd.com/read/28212372/molecular-biology-of-gastroesophageal-cancers-opportunities-and-challenges
#3
Shaheer Khan, Sameh Mikhail, Joanne Xiu, Mohamed E Salem
Gastroesophageal (GE) malignancies make up a significant and growing segment of newly diagnosed cancers. Approximately 80% of patients who have GE cancers die within 5 years of diagnosis, which means that effective treatments for these malignancies need to be found. Currently, targeted therapies have a minimal role in this disease group. Intensive study of the molecular biology of GE cancers is a relatively new and ongoing venture, but it has already led to a significant increase in our understanding of these malignancies...
January 2017: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/28212363/vegf-inhibitors-in-renal-cell-carcinoma
#4
Pankit Vachhani, Saby George
The arrival of targeted therapies-vascular endothelial growth factor (VEGF) pathway inhibitors and mammalian target of rapamycin (mTOR) inhibitors-and programmed death 1 (PD-1) inhibitors has transformed the management of renal cell carcinoma (RCC). Once considered fatal, with a median survival of approximately 1 year, these agents have nearly tripled overall survival and have raised hopes of a possible cure for advanced RCC. This review begins with a brief discussion of the seminal von Hippel-Lindau/hypoxia-inducible factor axis in RCC...
December 2016: Clinical Advances in Hematology & Oncology: H&O
https://www.readbyqxmd.com/read/28212191/endothelial-cell-metabolism-an-update-anno-2017
#5
Laure-Anne Teuwen, Nihed Draoui, Charlotte Dubois, Peter Carmeliet
PURPOSE OF REVIEW: Endothelial cell metabolism has recently emerged as an important coregulator of angiogenesis and is therefore a promising new target in various angiogenesis-associated illnesses, like cancer. In this review, we discuss recent insights in endothelial cell metabolism in both physiological and pathological conditions and discuss possible translational implications. RECENT FINDINGS: Two metabolic pathways that determine the performance of endothelial cells are glycolysis and fatty acid oxidation (FAO)...
February 15, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28212190/endothelial-cell-disease-emerging-knowledge-from-cerebral-cavernous-malformations
#6
Maria Grazia Lampugnani, Matteo Malinverno, Elisabetta Dejana
PURPOSE OF REVIEW: Endothelial cells dysfunctions are crucial determinants of several human diseases. We review here the most recent reports on endothelial cell defects in cerebral cavernous malformations (CCMs), particularly focusing on adherens junctions. CCM is a vascular disease that affects specifically the venous microvessels of the central nervous system and which is caused by loss-of-function mutation in any one of the three CCM genes (CCM1, 2 or 3) in endothelial cells. The phenotypic result of these mutations are focal vascular malformations that are permeable and fragile causing neurological symptoms and occasionally haemorrhagic stroke...
February 16, 2017: Current Opinion in Hematology
https://www.readbyqxmd.com/read/28212122/a-research-of-soft-tissue-lipoma-genesis-factor-with-immunohistochemical-analysis
#7
Jun Beom Lee, Hwan Jun Choi, Eun Taik Son, Jun Hyuk Kim
INTRODUCTION: Lipoma is the most familiar soft-tissue tumor. But the etiology of lipoma remains imprecise. Sex steroid hormones such as estrogen have effects on muscle and adipose tissue development. There is now significant evidence that sex steroids are involved in the site specificities of adipose tissue metabolism. This association of adipose tissue metabolism between sex steroid hormones suggests a possible role for sex steroids in the pathogenesis of lipoma. METHODS: To investigate this concept, the authors evaluated the expression of the estrogen receptor (ER) and the progesterone receptor (PR) in soft tissue lipoma in this study...
February 16, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28211533/integration-of-microrna-and-mrna-expression-profiles-in-the-skin-of-systemic-sclerosis-patients
#8
Bin Zhou, Xiao Xia Zuo, Yi Sha Li, Si Ming Gao, Xiao Dan Dai, Hong Lin Zhu, Hui Luo
MicroRNAs (miRNAs) play important roles in the fibrosis of systemic sclerosis (SSc). However, the underlying miRNA-mRNA regulatory network is not fully understood. A systemic investigation of the role of miRNAs would be very valuable for increasing our knowledge of the pathogenesis of SSc. Here, we combined miRNA and mRNA expression profiles and bioinformatics analyses and then performed validation experiments. we identified 21 miRNAs and 2698 mRNAs that were differentially expressed in SSc. Among these, 17 miRNAs and their 33 target mRNAs (55 miRNA-mRNA pairs) were involved in Toll-like receptor, transforming growth factor β and Wnt signalling pathways...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28211187/deletion-of-junctional-adhesion-molecule-a-from-platelets-increases-early-stage-neointima-formation-after-wire-injury-in-hyperlipidemic-mice
#9
Zhen Zhao, Tanja Vajen, Ela Karshovska, Annemiek Dickhout, Martin M Schmitt, Remco T A Megens, Philipp von Hundelshausen, Thomas A Koeppel, Tilman M Hackeng, Christian Weber, Rory R Koenen
Platelets play an important role in the pathogenesis of vascular remodelling after injury. Junctional adhesion molecule A (JAM-A) was recently described to regulate platelet activation. Specific deletion of JAM-A from platelets resulted in increased reactivity and in accelerated progression of atherosclerosis. The aim of this study was to investigate the specific contribution of platelet-derived JAM-A to neointima formation after vascular injury. Mice with or without platelet-specific (tr)JAM-A-deficiency in an apolipoprotein e (apoe(-/-) ) background underwent wire-induced injury of the common carotid artery...
February 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28211170/endothelial-glycocalyx-as-a-critical-signalling-platform-integrating-the-extracellular-haemodynamic-forces-and-chemical-signalling
#10
REVIEW
Ye Zeng
The glycocalyx covers the human mammalian cells and plays important roles in stroke, inflammation and atherosclerosis. It has also been shown to be involved in endothelial mechanotransduction of shear stress. Shear stress induces the remodelling of the major component of the glycocalyx including glypican-1, a cell membrane heparan sulphate proteoglycan. Other factors, such as sphingosine-1-phosphate (S1P), protect the glycocalyx against syndecan-1 ectodomain shedding and induce the synthesis of heparan sulphate...
February 17, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28211084/endothelial-cells-biophysical-biochemical-and-chromosomal-aberrancies-in-high-glucose-condition-within-the-diabetic-range
#11
Aysa Rezabakhsh, Elahe Nabat, Mina Yousefi, Soheila Montazersaheb, Omid Cheraghi, Amir Mehdizadeh, Farzaneh Fathi, Ali Akbar Movassaghpour, Nasrin Maleki-Dizaji, Reza Rahbarghazi, Alireza Garjani
To date, many studies have been conducted to find out the underlying mechanisms of hyperglycemia-induced complications in diabetes mellitus, attributed to the cellular pathologies of different cells-especially endothelial cells. However, there are still many ambiguities and unresolved issues to be clarified. Here, we investigated the alteration in biophysical and biochemical properties in human umbilical vein endothelial cells exposed to a high-glucose concentration (30mM), comparable to glucose content in type 2 diabetes mellitus, over a course of 120 hours...
February 17, 2017: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/28210952/two-dechlorinated-chlordecone-derivatives-formed-by-in-situ-chemical-reduction-are-devoid-of-genotoxicity-and-mutagenicity-and-have-lower-proangiogenic-properties-compared-to-the-parent-compound
#12
Samuel Legeay, Pierre-André Billat, Nicolas Clere, Fabrice Nesslany, Sébastien Bristeau, Sébastien Faure, Christophe Mouvet
Chlordecone (CLD) is a chlorinated hydrocarbon insecticide, now classified as a persistent organic pollutant. Several studies have previously reported that chronic exposure to CLD leads to hepatotoxicity, neurotoxicity, raises early child development and pregnancy complications, and increases the risk of liver and prostate cancer. In situ chemical reduction (ISCR) has been identified as a possible way for the remediation of soils contaminated by CLD. In the present study, the objectives were (i) to evaluate the genotoxicity and the mutagenicity of two CLD metabolites formed by ISCR, CLD-5a-hydro, or CLD-5-hydro (5a- or 5- according to CAS nomenclature; CLD-1Cl) and tri-hydroCLD (CLD-3Cl), and (ii) to explore the angiogenic properties of these molecules...
February 16, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28210401/zygomatic-intraosseous-hemangioma-case-report-and-literature-review
#13
REVIEW
David B Powers, Elda Fisher, Detlev Erdmann
Intraosseous hemangiomas are uncommon intrabony lesions, representing approximately 0.5 to 1% of all intraosseous tumors. Their description varies from "benign vasoformative neoplasms" to true hamartomatous proliferations of endothelial cells forming a vascular network with intermixed fibrous connective tissue stroma. These commonly present as a firm, painless swelling. Intraosseous hemangiomas present more commonly in females than in males and most likely occur in the fourth decade of life. The most common etiology of intraosseous hemangioma is believed to be prior trauma to the area...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28210097/epac1-agonist-decreased-inflammatory-proteins-in-retinal-endothelial-cells-and-loss-of-epac1-increased-inflammatory-proteins-in-the-retinal-vasculature-of-mice
#14
Li Liu, Youde Jiang, Adam Chahine, Elizabeth Curtiss, Jena J Steinle
PURPOSE: Increased inflammatory mediator levels are reported in diabetic retinopathy. We previously reported that β-adrenergic receptor agonists reduced inflammatory mediators in the diabetic retina; however, these agents cannot be given systemically. Here, we investigated whether Epac1 is key to the protective effects of β-adrenergic receptor agonists. METHODS: We cultured primary human retinal endothelial cells (RECs) in normal (5 mM) or high (25 mM) glucose and treated them with an Epac1-specific agonist...
2017: Molecular Vision
https://www.readbyqxmd.com/read/28209993/suppression-of-tak1-pathway-by-shear-stress-counteracts-the-inflammatory-endothelial-cell-phenotype-induced-by-oxidative-stress-and-tgf-%C3%AE-1
#15
Ee Soo Lee, Llorenç Solé Boldo, Bernadette O Fernandez, Martin Feelisch, Martin C Harmsen
Endothelial dysfunction is characterised by aberrant redox signalling and an inflammatory phenotype. Shear stress antagonises endothelial dysfunction by increasing nitric oxide formation, activating anti-inflammatory pathways and suppressing inflammatory pathways. The TAK1 (MAP3K7) is a key mediator of inflammation and non-canonical TGF-β signalling. While the individual roles of TAK1, ERK5 (MAPK7) and TGF-β pathways in endothelial cell regulation are well characterised, an integrative understanding of the orchestration of these pathways and their crosstalk with the redox system under shear stress is lacking...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28209985/ig-like-domain-6-of-vcam-1-is-a-potential-therapeutic-target-in-tnf%C3%AE-induced-angiogenesis
#16
Taek-Keun Kim, Chang Sik Park, Hee-Jun Na, Kangseung Lee, Aerin Yoon, Junho Chung, Sukmook Lee
Tumor necrosis factor alpha (TNFα)-induced angiogenesis plays important roles in the progression of various diseases, including cancer, wet age-related macular degeneration, and rheumatoid arthritis. However, the relevance and role of vascular cell adhesion molecule-1 (VCAM-1) in angiogenesis have not yet been clearly elucidated. In this study, VCAM-1 knockdown shows VCAM-1 involvement in TNFα-induced angiogenesis. Through competitive blocking experiments with VCAM-1 Ig-like domain 6 (VCAM-1-D6) protein, we identified VCAM-1-D6 as a key domain regulating TNFα-induced vascular tube formation...
February 17, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28209920/effect-of-captopril-on-radiation-induced-tgf-%C3%AE-1-secretion-in-ea-hy926-human-umbilical-vein-endothelial-cells
#17
Jingni Wei, Hui Xu, Yinyin Liu, Baiyu Li, Fuxiang Zhou
The pathophysiological mechanism involved in the sustained endothelial secretion of cytokines that leads to fibrosis 6-16 months after radiotherapy remains unclear. Angiotensin II (Ang II) is produced by the endothelium in response to stressing stimuli, like radiation, and may induce the synthesis of TGF-β, a profibrotic cytokine. In this study we tested the hypothesis that captopril, an angiotensin-converting enzyme (ACE) inhibitor, inhibits or attenuates radiation-induced endothelial TGF-β1 secretion. The human endothelial hybrid cell line EA...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28209916/diabetic-concentrations-of-metformin-inhibit-platelet-mediated-ovarian-cancer-cell-progression
#18
Rafaela Erices, Sofía Cubillos, Raúl Aravena, Felice Santoro, Monica Marquez, Renan Orellana, Carolina Ramírez, Pamela González, Patricia Fuenzalida, María Loreto Bravo, Bárbara Oliva, Sumie Kato, Carolina Ibañez, Jorge Brañes, Erasmo Bravo, Catalina Alonso, Karen García, Clemente Arab, Vicente A Torres, Alejandro S Godoy, Jaime Pereira, Galdo Bustos, Julio Cesar Cardenas, Mauricio A Cuello, Gareth I Owen
Clinical studies have suggested a survival benefit in ovarian cancer patients with type 2 diabetes mellitus taking metformin, however the mechanism by which diabetic concentrations of metformin could deliver this effect is still poorly understood. Platelets not only represent an important reservoir of growth factors and angiogenic regulators, they are also known to participate in the tumor microenvironment implicated in tumor growth and dissemination. Herein, we investigated if diabetic concentrations of metformin could impinge upon the previously reported observation that platelet induces an increase in the tube forming capacity of endothelial cells (angiogenesis) and upon ovarian cancer cell aggressiveness...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28209801/correction-to-mir-143-activation-regulates-smooth-muscle-and-endothelial-cell-crosstalk-in-pulmonary-arterial-hypertension
#19
(no author information available yet)
No abstract text is available yet for this article.
February 17, 2017: Circulation Research
https://www.readbyqxmd.com/read/28209798/neutrophil-extracellular-traps-in-atherosclerosis-and-atherothrombosis
#20
REVIEW
Yvonne Döring, Oliver Soehnlein, Christian Weber
Neutrophil extracellular traps expelled from suicidal neutrophils comprise a complex structure of nuclear chromatin and proteins of nuclear, granular, and cytosolic origin. These net-like structures have also been detected in atherosclerotic lesions and arterial thrombi in humans and mice. Functionally, neutrophil extracellular traps have been shown to induce activation of endothelial cells, antigen-presenting cells, and platelets, resulting in a proinflammatory immune response. Overall, this suggests that they are not only present in plaques and thrombi but also they may play a causative role in triggering atherosclerotic plaque formation and arterial thrombosis...
February 17, 2017: Circulation Research
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