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https://www.readbyqxmd.com/read/29786787/protocols-for-migration-and-invasion-studies-in-prostate-cancer
#1
Arjanneke F van de Merbel, Geertje van der Horst, Jeroen T Buijs, Gabri van der Pluijm
Prostate cancer is the most common malignancy diagnosed in men in the western world. The development of distant metastases and therapy resistance are major clinical problems in the management of prostate cancer patients. In order for prostate cancer to metastasize to distant sites in the human body, prostate cancer cells have to migrate and invade neighboring tissue. Cancer cells can acquire a migratory and invasive phenotype in several ways, including single cell and collective migration. As a requisite for migration, epithelial prostate cancer cells often need to acquire a motile, mesenchymal-like phenotype...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29786451/annexin-a2-is-a-robo4-ligand-that-modulates-arf6-activation-associated-cerebral-trans-endothelial-permeability
#2
Wenlu Li, Zhigang Chen, Jing Yuan, Zhanyang Yu, Chongjie Cheng, Qiuchen Zhao, Lena Huang, Katherine A Hajjar, Zhong Chen, Eng H Lo, Haibin Dai, Xiaoying Wang
Blood-brain barrier (BBB) disruption in neurological disorders remains an intractable problem with limited therapeutic options. Here, we investigate whether the endothelial cell membrane protein annexin A2 (ANXA2) may play a role in reducing trans-endothelial permeability and maintaining cerebrovascular integrity after injury. Compared with wild-type mice, the expression of cerebral endothelial junctional proteins was reduced in E15.5 and adult ANXA2 knockout mice, along with increased leakage of small molecule tracers...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29786110/multi%C3%A2-layered-prevention-and-treatment-of-chronic-inflammation-organ-fibrosis-and-cancer-associated-with-canonical-wnt-%C3%AE-%C3%A2-catenin-signaling-activation-review
#3
Masaru Katoh
β‑catenin/CTNNB1 is an intracellular scaffold protein that interacts with adhesion molecules (E‑cadherin/CDH1, N‑cadherin/CDH2, VE‑cadherin/CDH5 and α‑catenins), transmembrane‑type mucins (MUC1/CD227 and MUC16/CA125), signaling regulators (APC, AXIN1, AXIN2 and NHERF1/EBP50) and epigenetic or transcriptional regulators (BCL9, BCL9L, CREBBP/CBP, EP300/p300, FOXM1, MED12, SMARCA4/BRG1 and TCF/LEF). Gain‑of‑function CTTNB1 mutations are detected in bladder cancer, colorectal cancer, gastric cancer, liver cancer, lung cancer, pancreatic cancer, prostate cancer and uterine cancer, whereas loss‑of‑function CTNNB1 mutations are also detected in human cancer...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29786107/e3-ubiquitin-ligase-hakai-regulates-cell-growth-and-invasion-and-increases-the-chemosensitivity-to-cisplatin-in-non%C3%A2-small%C3%A2-cell-lung-cancer-cells
#4
Zi Liu, Yuqing Wu, Zijian Tao, Liang Ma
Hakai was originally identified as an E3 ubiquitin ligase of the E‑cadherin complex implicated in cell adhesion and invasion. Recently, emerging evidence has strongly suggested that Hakai serves a pivotal role in the tumorigenesis of certain tumors. However, the role of Hakai in non‑small‑cell lung cancer (NSCLC) and its underlying molecular mechanism have not been clarified. In the present study, it was observed that Hakai was highly expressed in NSCLC cell lines compared with human normal bronchial epithelial cells, and transfection with Hakai small interfering RNA significantly inhibited the growth of A549 and NCI‑H460 NSCLC cells...
May 17, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29786069/ve-cadherin-promotes-vasculogenic-mimicry-by-modulating-kaiso-dependent-gene-expression
#5
Daniel Delgado-Bellido, Mónica Fernández-Cortés, María Isabel Rodríguez, Santiago Serrano-Sáenz, Arkaitz Carracedo, Angel Garcia-Diaz, F Javier Oliver
Aberrant extra-vascular expression of VE-cadherin (VEC) has been observed in metastasis associated with vasculogenic mimicry (VM); however, the ultimate reason why non-endothelial VEC favors the acquisition of this phenotype is not established. In this study, we show that human malignant melanoma cells have a constitutively high expression of phoshoVEC (pVEC) at Y658; pVEC is a target of focal adhesion kinase (FAK) and forms a complex with p120-catenin and the transcriptional repressor kaiso in the nucleus...
May 21, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29785723/decreased-e-cadherin-in-mcf7-human-breast-cancer-cells-forming-multicellular-spheroids-exposed-to-simulated-microgravity
#6
Jayashree Sahana, Mohamed Zakaria Nassef, Markus Wehland, Sascha Kopp, Marcus Krüger, Thomas J Corydon, Manfred Infanger, Johann Bauer, Daniela Grimm
MCF7 human breast cancer cells were cultured under normal gravity (1g) and on a random positioning machine (RPM) preventing sedimentation. After two weeks, adherent 1g-control and adherent RPM cells (AD) as well as multicellular spheroids (MCS) were harvested. AD and MCS had been exposed to the RPM in the same culture flask. In a subsequent proteome analysis, the majority of the proteins detected showed similar label-free quantification scores (LFQ) in each of the respective subpopulations, but in both AD or MCS cultures, proteins were also found whose LFQs deviated at least twofold from their counterparts in the 1g-control cells...
May 21, 2018: Proteomics
https://www.readbyqxmd.com/read/29785538/stress-phase-angle-regulates-differentiation-of-human-adipose-derived-stem-cells-toward-endothelial-phenotype
#7
Shahrokh Shojaei, Mohammad Tafazzoli-Shadpour, Mohammad Ali Shokrgozar, Nooshin Haghighipour, Fatemeh Hejazi Jahromi
Endothelial cells are subjected to cyclic shear by pulsatile blood flow and pressures due to circumferential stresses. Although most of the researches on this topic have considered the effects of these two biomechanical forces separately or concurrently, few studies have noticed the interaction of these cyclic loadings on endothelial behavior. Negative temporal stress phase angle, defined by the phase lag between cyclic shear and tensile stresses, is an established parameter which is known to have substantial effects on blood vessel remodeling and progression of some serious cardiovascular diseases...
May 21, 2018: Progress in Biomaterials
https://www.readbyqxmd.com/read/29785119/clinical-relevance-of-lysyl-oxidase-like-2-and-functional-mechanisms-in-glioma
#8
Xiao-Guang Du, Mei-Jia Zhu
Introduction: Glioma is the most frequent malignancy of the adult central nervous system with high recurrence risk and poor prognosis. Understanding the biological molecular mechanisms involved in glioma progression is critical for studying oncogenic mechanisms and improving prognosis. Lysyl oxidase-like 2 (LOXL2) is a kind of lysyl oxidase catalyzing the formation of peptidyl-lysine residues and promoting intramolecular cross-linking, especially for proteins in extracellular matrix. Our study explored the expression pattern of LOXL2 in glioma for the first time and found that its high expression was associated with larger tumor size and advanced tumor grade ( P <0...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29783070/cdh17-alters-mmp-2-expression-via-canonical-nf-%C3%AE%C2%BAb-signalling-in-human-gastric-cancer
#9
Xiao-Jie Jiang, Jing Lin, Qing-He Cai, Jian-Feng Zhao, Hui-Jiao Zhang
Gastric cancer (GC), one of the most common cancers of the digestive system, results in high morbidity and mortality, but the molecular mechanisms underlying GC remain largely unknown. Cadherin-17 (CDH17) is a nonclassical member of the cadherin (CDH) superfamily of calcium-dependent proteins. Despite recent advances in the understanding of CDH17 biology, the mechanism of CDH17 in GC proliferation, migration, and invasion has not been extensively studied. In the present study, we observed that CDH17 expression was increased in GC tissues compared with para-carcinoma tissues and was correlated with lymph node metastasis and the AJCC stage...
May 18, 2018: Gene
https://www.readbyqxmd.com/read/29782988/cholesterol-crystals-increase-vascular-permeability-by-inactivating-shp2-and-disrupting-adherens-junctions
#10
Arul M Mani, Rima Chattopadhyay, Nikhlesh K Singh, Gadiparthi N Rao
To understand the adverse effects of cholesterol crystals on vascular homeostasis, we have studied their effects on endothelial barrier function. Cholesterol crystals increased endothelial barrier permeability in a dose and time dependent manner. In addition, cholesterol crystals induced tyrosine phosphorylation of VE-cadherin and α-catenin, disrupting endothelial AJ and its barrier function and these effects required xanthine oxidase-mediated H2 O2 production, SHP2 inactivation and Frk activation. Similarly, feeding C57BL/6 mice with cholesterol-rich diet increased xanthine oxidase expression, H2 O2 production, SHP2 inactivation and Frk activation leading to enhanced tyrosine phosphorylation of VE-cadherin and α-catenin, thereby disrupting endothelial AJ and increasing vascular permeability...
May 18, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29782349/lncrna-malat-1-competitively-regulates-mir-124-to-promote-emt-and-development-of-non-small-cell-lung-cancer
#11
Jiasheng Wu, Yueyue Weng, Fei He, Dong Liang, Lin Cai
This study was carried out to explore the mechanism of LncRNA MALAT-1 as a competing endogenous RNA to regulate miR-124 in epithelial-mesenchymal transition and development of non-small-cell lung cancer (NSCLC). NSCLC and adjacent tissues were collected for RT-qPCR. The correlation of MALAT-1 and miR-124 was analyzed by Pearson. MALAT-1 expression was measured in NSCLC A549, NCI-H460, NCI-H529, SK-MES-1 cells, and 16HBE cells. A549 cells were selected for cell transfection experiments after the creation of six groups...
May 18, 2018: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29782187/effects-of-maternal-vitamin-d-supplementation-on-the-maternal-and-infant-epigenome
#12
Cindy M Anderson, Shannon L Gillespie, Doria K Thiele, Jody L Ralph, Joyce E Ohm
INTRODUCTION: Mothers and infants are at high risk for inadequate vitamin D status. Mechanisms by which vitamin D may affect maternal and infant DNA methylation are poorly understood. OBJECTIVE: This study quantified the effects of vitamin D3 supplementation on DNA methylation in pregnant and lactating women and their breastfed infants. MATERIALS AND METHODS: In this randomized controlled pilot study, pregnant women received vitamin D3 400 international units (IU) (n = 6; control) or 3,800 IU (n = 7; intervention) daily from late second trimester through 4-6 weeks postpartum...
May 21, 2018: Breastfeeding Medicine: the Official Journal of the Academy of Breastfeeding Medicine
https://www.readbyqxmd.com/read/29781727/se-cadherin-and-sve-cadherin-indicate-active-epithelial-endothelial-to-mesenchymal-transition-emt-and-endomt-in-smokers-and-copd-implications-for-new-biomarkers-and-therapeutics
#13
Mathew Suji Eapen, Stephen Myers, Wenying Lu, Chloé Tanghe, Pawan Sharma, Sukhwinder Singh Sohal
No abstract text is available yet for this article.
May 21, 2018: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
https://www.readbyqxmd.com/read/29781582/sphingosine-1-phosphate-receptor-1-signaling-maintains-endothelial-cell-barrier-function-and-protects-against-immune-complex-induced-vascular-injury
#14
Nathalie Burg, Steven Swendeman, Stefan Worgall, Timothy Hla, Jane E Salmon
OBJECTIVE: Immune complex (IC) deposition activates neutrophils (PMN), increases vascular permeability and leads to organ damage in SLE and RA. The bioactive lipid sphingosine-1-phosphate (S1P), acting via S1P receptor 1 (S1P1 ), is a key regulator of endothelial cell (EC) barrier function. We hypothesized that augmenting EC integrity via S1P1 signaling would attenuate inflammatory injury mediated by ICs. METHODS: In vitro barrier function was assessed in human umbilical vein endothelial cells (HUVECs) by Electric Cell-substrate Impedance Sensing (ECIS)...
May 21, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29781537/microrna-508-suppresses-epithelial-mesenchymal-transition-migration-and-invasion-of-ovarian-cancer-cells-through-the-mapk1-erk-signaling-pathway
#15
Lan Hong, Yifeng Wang, Wangsheng Chen, Shuying Yang
Ovarian cancer (OC) is the sixth most common cancer in women worldwide. Despite advances in detection and therapies, it still represents the most lethal gynecologic malignancy in the industrialized countries. Unfortunately, the molecular events that lead to the development of this highly aggressive disease remain largely unknown. The study explored the ability of microRNA-508 (miR-508) to influence proliferation, migration, invasion, and epithelial-mesenchymal transition (EMT) in OC cells. We quantified the level of miR-508 cancer tissues with corresponding adjacent normal tissues collected from 84 patients with OC...
May 21, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29781067/rare-plasmacytoid-urothelial-carcinoma-of-the-bladder-two-case-reports
#16
Tuba Devrim, Fatih Atac, Canan Altunkaya, Ayse Ozbek, Gulhan Ozdemir, Merve Eryol
Plasmacytoid urothelial carcinoma is a rare and aggressive form of urothelial carcinoma characterized with delayed presentation and poor prognosis. Very few cases of this carcinoma have been reported in the literature. Here, we report and discuss two cases of bladder plasmacytoid urothelial carcinoma of a 57-year-old male presentedwith renal colic, and a 33-year-old female presented with macroscopic hematuria. Pathologic examinations of thetransurethral biopsies revealed urothelial carcinoma with plasmacytoid appearance...
May 21, 2018: Urology Journal
https://www.readbyqxmd.com/read/29780735/the-expression-and-functional-significance-of-vascular-endothelial-cadherin-cd44-and-vimentin-in-oral-squamous-cell-carcinoma
#17
Soussan Irani, Arash Dehghan
Objectives: Ninety percent of head and neck cancers are squamous cell carcinoma which develops in the oral cavity. Metastasis is the main causative factor for death in 90% of all cancer-related deaths and begins with the invasion of tumor cells through the walls of small blood vessels or lymph vessels. A growing body of evidence has shown that vasculogenic mimicry (VM) facilitates tumor growth and cancer metastasis. The current study aimed to present the role of vascular endothelial (VE)-cadherin, CD44, and vimentin in inducing VM and epithelial-mesenchymal transition (EMT) and to identify the cancer stem cell (CSC) niche in different grades of oral squamous cell carcinoma (OSCC)...
March 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29780169/mediator-kinase-cdk8-cdk19-drives-yap1-dependent-bmp4-induced-emt-in-cancer
#18
Anne Serrao, Laura M Jenkins, Alexander A Chumanevich, Ben Horst, Jiaxin Liang, Michael L Gatza, Nam Y Lee, Igor B Roninson, Eugenia V Broude, Karthikeyan Mythreye
CDK8 is a transcription-regulating kinase that controls TGF-β/BMP-responsive SMAD transcriptional activation and turnover through YAP1 recruitment. However, how the CDK8/YAP1 pathway influences SMAD1 response in cancer remains unclear. Here we report that SMAD1-driven epithelial-to-mesenchymal transition (EMT) is critically dependent on matrix rigidity and YAP1 in a wide spectrum of cancer models. We find that both genetic and pharmacological inhibition of CDK8 and its homologous twin kinase CDK19 leads to abrogation of BMP-induced EMT...
May 21, 2018: Oncogene
https://www.readbyqxmd.com/read/29780167/e-cadherin-in-contact-inhibition-and-cancer
#19
REVIEW
Alisha M Mendonsa, Tae-Young Na, Barry M Gumbiner
E-cadherin is a key component of the adherens junctions that are integral in cell adhesion and maintaining epithelial phenotype of cells. Homophilic E-cadherin binding between cells is important in mediating contact inhibition of proliferation when cells reach confluence. Loss of E-cadherin expression results in loss of contact inhibition and is associated with increased cell motility and advanced stages of cancer. In this review we discuss the role of E-cadherin and its downstream signaling in regulation of contact inhibition and the development and progression of cancer...
May 21, 2018: Oncogene
https://www.readbyqxmd.com/read/29778975/establishment-of-an-integration-free-induced-pluripotent-stem-cell-line-musii005-a-from-exfoliated-renal-epithelial-cells
#20
Bootsakorn Boonkaew, Weeradee Thummavichit, Ratchapong Netsrithong, Chinnavuth Vatanashevanopakorn, Kovit Pattanapanyasat, Methichit Wattanapanitch
Human induced pluripotent stem cells (iPSCs) were generated from exfoliated renal epithelial cells isolated from a urine sample of a 31-year-old healthy woman. Epithelial cells were characterized for the expression of E-cadherin and reprogrammed using non-integrating Sendai viral vectors. The urine-derived iPSC line (designated as MUSIi005-A) was karyotypically normal, expressed pluripotent markers, differentiated into cells of three embryonic germ layers, and showed no viral and transgene expressions at passage 29...
May 16, 2018: Stem Cell Research
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