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https://www.readbyqxmd.com/read/28918603/tumor-markers-of-uterine-cervical-cancer-a-new-scenario-to-guide-surgical-practice
#1
REVIEW
Gaetano Valenti, Salvatore Giovanni Vitale, Alessandro Tropea, Antonio Biondi, Antonio Simone Laganà
Since the introduction of Pap smear screening, the incidence and mortality of cervical cancer (CC) have been reduced drastically in USA and in other western states. Nevertheless, CC still remains the main cause of death from gynecological cancer in developing countries where screening programs are scant or inexistent. This evidence highlights the efficacy of screening, and the wide use of Human Papilloma Viruses (HPV) vaccines in developed countries. More and more people are, consequentially, undergoing a screening procedure, usually combined with HPV DNA test, increasing the early diagnosis of intraepithelial HPV-related lesions...
September 16, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28918236/gene-expression-profiles-of-cell-adhesion-molecules-matrix-metalloproteinases-and-their-tissue-inhibitors-in-canine-oral-tumors
#2
Sirinun Pisamai, Anudep Rungsipipat, Chanin Kalpravidh, Gunnaporn Suriyaphol
Perturbation of cell adhesion can be essential for tumor cell invasion and metastasis, but the current knowledge on the gene expression of molecules that mediate cell adhesion in canine oral tumors is limited. The present study aimed to investigate changes in the gene expression of cell adhesion molecules (E-cadherin or CDH1, syndecan 1 or SDC1, NECTIN2 and NECTIN4), matrix metalloproteinases (MMPs) and their tissue inhibitors (TIMPs), in canine oral tumors, including benign tumors, oral melanoma (OM) and non-tonsillar oral squamous cell carcinoma (OSCC), by quantitative real-time reverse transcription PCR...
September 8, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28918059/regulatory-role-of-the-microrna-29b-il-6-signaling-in-the-formation-of-vascular-mimicry
#3
Jian-Hong Fang, Zhi-Yuan Zheng, Jin-Yu Liu, Chen Xie, Zi-Jun Zhang, Shi-Mei Zhuang
Vascular mimicry (VM) is a critical complement for microcirculation and is implicated in tumor progression. We showed that IL-6 derived from tumor cells and stroma cells promoted tumor cells to form a VM structure, whereas blocking the IL-6 signaling by RNA interference, IL-6-neutralizing antibody, or STAT3 inhibitor suppressed the VM formation of tumor cells. Mechanism investigations revealed that IL-6 stimulated VM formation by activating STAT3, in turn upregulating VE-cadherin expression and MMP2 activity...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28917843/rapgef2-a-guanine-nucleotide-exchange-factor-for-rap1-small-gtpases-plays-a-crucial-role-in-adherence-junction-aj-formation-in-radial-glial-cells-through-erk-mediated-upregulation-of-the-aj-constituent-protein-expression
#4
Maged Ibrahim Farag, Yoko Yoshikawa, Kazuhiro Maeta, Tohru Kataoka
Rapgef2 and Rapgef6 define a subfamily of guanine nucleotide exchange factors for Rap1, characterized by possession of the Ras/Rap-associating domains and implicated in the etiology of schizophrenia. We previously found that dorsal telencephalon-specific Rapgef2 conditional knockout mice exhibits severe defects in formation of apical surface adherence junctions (AJs) and localization of radial glial cells (RGCs). In this study, we analyze the underlying molecular mechanism by using primary cultures of RGCs established from the developing cerebral cortex...
September 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28916526/monoclonal-antibodies-directed-against-cadherin-rgd-exhibit-therapeutic-activity-against-melanoma-and-colorectal-cancer-metastasis
#5
Ruben A Bartolomé, Carmen Aizpurua, Marta Jaén, Sofia Torres, Eva Calviño, Juan I Imbaud, J Ignacio Casal
PURPOSE: New targets are required for the control of advanced metastatic disease. We investigated the use of cadherin RGD motifs, which activate the α2β1integrin pathway, as targets for the development of therapeutic monoclonal antibodies (mAbs). EXPERIMENTAL DESIGN: CDH17 fragments and peptides were prepared and used for immunization and antibody development. Antibodies were tested for inhibition of β1 integrin and cell adhesion, proliferation and invasion assays using cell lines from different cancer types: colorectal, pancreatic, melanoma and breast cancer...
September 15, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28916481/identification-of-2-4-dihydroxy-5-pyrimidinyl-imidothiocarbomate-as-a-novel-inhibitor-to-y-box-binding-protein-1-yb-1-and-its-therapeutic-actions-against-breast-cancer
#6
Vinoth Prasanna Gunasekaran, Kumari Nishi, Dakshinamurthy Sivakumar, Thirunavukkarasu Sivaraman, Ganeshan Mathan
In spite of advances in breast cancer treatment and early diagnosis, drug toxicity, cancer relapse, multidrug resistance and metastasis are the major impediment to the developments of efficient drugs. However, unique druggable targets of cancer cells distinct from the normal cells provide new rationale in cancer treatment. Previous reports clearly emphasize the differential expression and localization of Y box binding protein-1 (YB-1) between normal breast tissues and different stages of breast cancer. Y box binding protein-1 is DNA as well as RNA binding protein involved in transcription and translation regulation of various proteins involved in cancer progression, apoptosis, cell cycle, epithelial to mesenchymal transition (EMT) and drug resistance...
September 12, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28915620/prpf-overexpression-induces-drug-resistance-through-actin-cytoskeleton-rearrangement-and-epithelial-mesenchymal-transition
#7
Salman Ul Islam, Adeeb Shehzad, Jong Kyung Sonn, Young Sup Lee
Pre-mRNA processing factor (PRPF) 4B kinase belongs to the CDK-like kinase family, and is involved in pre-mRNA splicing, and in signal transduction. In this study, we observed that PRPF overexpression decreased the intracellular levels of reactive oxygen species, and inhibited resveratrol-induced apoptosis by activating the cell survival signaling proteins NFκB, ERK, and c-MYC in HCT116 human colon cancer cells. PRPF overexpression altered cellular morphology, and rearranged the actin cytoskeleton, by regulating the activity of Rho family proteins...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915612/the-roles-of-ing5-in-gliomas-a-good-marker-for-tumorigenesis-and-a-potential-target-for-gene-therapy
#8
Shuang Zhao, Zhi-Juan Zhao, Hao-Yu He, Ji-Cheng Wu, Xiao-Qing Ding, Lei Yang, Ning Jia, Zhi-Jie Li, Hua-Chuan Zheng
To elucidate the anti-tumor effects and molecular mechanisms of ING5 on glioma cells, we overexpressed it in U87 cells, and examined the phenotypes and their relevant molecules. It was found that ING5 overexpression suppressed proliferation, energy metabolism, migration, invasion, and induced G2/M arrest, apoptosis, dedifferentiation, senescence, mesenchymal- epithelial transition and chemoresistance to cisplatin, MG132, paclitaxel and SAHA in U87 cells. There appeared a lower expression of N-cadherin, Twist, Slug, Zeb1, Zeb2, Snail, Ac-H3, Ac-H4, Cdc2, Cdk4 and XIAP, but a higher expression of Claudin 1, Histones 3 and 4, p21, p53, Bax, β-catenin, PI3K, Akt, and p-Akt in ING5 transfectants...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915602/increased-expression-of-calponin-2-is-a-positive-prognostic-factor-in-pancreatic-ductal-adenocarcinoma
#9
Zhaoyan Qiu, Yi Chu, Bing Xu, Qian Wang, Mingzuo Jiang, Xiaowei Li, Gang Wang, Pengfei Yu, Guoxiao Liu, Hua Wang, Huijie Kang, Jiayu Liu, Yu Zhang, Jian-Ping Jin, Kaichun Wu, Jie Liang
Calponin 2 plays an important role in regulating actin cytoskeleton, which is critical for cell division and migration. Previous studies have demonstrated that calponin 2 inhibits prostate cancer cell proliferation and metastasis. However, the role of calponin 2 in pancreatic tumor growth, metastasis and patient survival remains unclear. Here, we demonstrate that the level of calponin 2 is a positive prognostic factor for patients with pancreatic ductal adenocarcinoma (PDAC). Patients with high calponin 2 expression in the tumor presented less lymph node metastasis and longer survival...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28915390/navy-and-black-bean-supplementation-primes-the-colonic-mucosal-microenvironment-to-improve-gut-health
#10
Jennifer M Monk, Dion Lepp, Wenqing Wu, K Peter Pauls, Lindsay E Robinson, Krista A Power
Common beans (Phaseolus vulgaris L.) are enriched in non-digestible fermentable carbohydrates and phenolic compounds that can modulate the colonic microenvironment (microbiota and host epithelial barrier) to improve gut health. In a comprehensive assessment of the impact of two commonly consumed bean varieties (differing in levels and types of phenolic compounds) within the colonic microenvironment, C57Bl/6 mice were fed diets supplemented with 20% cooked navy bean (NB) or black bean (BB) flours or an isocaloric basal diet control (BD) for 3 weeks...
August 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28912461/vimentin-knockout-results-in-increased-expression-of-sub-endothelial-basement-membrane-components-and-carotid-stiffness-in-mice
#11
Benoit Langlois, Ekaterina Belozertseva, Ara Parlakian, Mustapha Bourhim, Jacqueline Gao-Li, Jocelyne Blanc, Lei Tian, Dario Coletti, Carlos Labat, Zhor Ramdame-Cherif, Pascal Challande, Véronique Regnault, Patrick Lacolley, Li Zhenlin
Intermediate filaments are involved in stress-related cell mechanical properties and in plasticity via the regulation of focal adhesions (FAs) and the actomyosin network. We investigated whether vimentin regulates endothelial cells (ECs) and vascular smooth muscle cells (SMCs) and thereby influences vasomotor tone and arterial stiffness. Vimentin knockout mice (Vim(-/-)) exhibited increased expression of laminin, fibronectin, perlecan, collagen IV and VE-cadherin as well as von Willebrand factor deposition in the subendothelial basement membrane...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912304/e-cadherin-and-zeb2-modulate-trophoblast-cells-differentiation-during-placental-development-in-pigs
#12
Linjun Hong, Kun Han, Kejia Wu, Ruize Liu, Ji Huang, Joan K Lunney, Shuhong Zhao, Mei Yu
It is one of the important events that trophoblast cells within the placental folds differentiate into two types that differ in cell shape during placental development in pigs. This study showed that all the trophoblast cells were in similar shape between Yorkshire and Chinese Meishan pigs on day 26 of gestation, thereafter, the trophoblast cells located at the top of the placental folds became high columnar while those cells at the base of the placental folds were cuboidal on day 50 of gestation. Additionally, on day 95 of gestation, all the trophoblast cells in Meishan pigs became cuboidal, but the trophoblast cells located at the top of the placental folds in Yorkshire pigs still remained columnar...
September 14, 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/28912162/regional-cellular-environment-shapes-phenotypic-variations-of-hippocampal-and-neocortical-chandelier-cells
#13
Yugo Ishino, Michael J Yetman, Serena M Sossi, André Steinecke, Yasufumi Hayano, Hiroki Taniguchi
Different cortical regions processing distinct information, such as the hippocampus and the neocortex, share common cellular components and circuit motifs but form unique networks by modifying these cardinal units. Cortical circuits include diverse types of GABAergic interneurons (INs) that shape activity of excitatory principal neurons (PNs). Canonical IN types conserved across distinct cortical regions have been defined by their morphological, electrophysiological, and neurochemical properties. However, it remains largely unknown whether canonical IN types undergo specific modifications in distinct cortical regions and display "regional variants"...
September 14, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28911340/ursolic-acid-attenuates-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition-in-nsclc-by-targeting-integrin-%C3%AE-v%C3%AE-5-mmps-signaling
#14
Jun Shan Ruan, Huan Zhou, Lin Yang, Ling Wang, Zong Sheng Jiang, Hong Sun, Shao Ming Wang
Transforming growth factor-β1 (TGF-β1)-induced epithelial-mesenchymal transition (EMT) of non-small-cell carcinoma (NSCLC) may contribute to tumor metastasis. TGF-β1-induced EMT in H1975 cells (a human NSCLC cell line) resulted in the adoption of mesenchymal responses that were predominantly mediated via the TGF-β1-integrin signaling pathway. Ursolic acid has been previously reported to inhibit tumor growth and metastasis in several cancers. However, whether ursolic acid can attenuate TGF-β1-induced EMT in H1975 cells and its underlying mechanisms remains unknown...
September 14, 2017: Oncology Research
https://www.readbyqxmd.com/read/28910573/an-alternative-conformation-of-human-trprs-suggests-a-role-of-zinc-in-activating-non-enzymatic-function
#15
Xiaoling Xu, Huihao Zhou, Quansheng Zhou, Fei Hong, My-Nuong Vo, Wanqiang Niu, Zhiguo Wang, Xiaolin Xiong, Kanaha Nakamura, Keisuke Wakasugi, Paul Schimmel, Xiang-Lei Yang
Tryptophanyl-tRNA synthetase (TrpRS) in vertebrates contains a N-terminal extension in front of the catalytic core. Proteolytic removal of the N-terminal 93 amino acids gives rise to T2-TrpRS, which has potent anti-angiogenic activity mediated through its extracellular interaction with VE-cadherin. Zinc has been shown to have anti-angiogenic effects and can bind to human TrpRS. However, the connection between zinc and the anti-angiogenic function of TrpRS has not been explored. Here we report that zinc binding can induce structural relaxation in human TrpRS to facilitate the proteolytic generation of a T2-TrpRS-like fragment...
September 14, 2017: RNA Biology
https://www.readbyqxmd.com/read/28910443/spatiotemporally-controlled-ablation-of-klf5-results-in-dysregulated-epithelial-homeostasis-in-adult-mouse-corneas
#16
Chelsea L Loughner, Anil Tiwari, Doreswamy Kenchegowda, Sudha Swamynathan, Shivalingappa K Swamynathan
Purpose: Corneal epithelial (CE) homeostasis requires coordination between proliferation and differentiation. Here we examine the role of cell proliferation regulator Krüppel-like factor 5 (Klf5) in adult mouse CE homeostasis. Methods: Klf5 was ablated in a spatiotemporally restricted manner by inducing Cre expression in 8-week-old ternary transgenic Klf5LoxP/LoxP/Krt12rtTA/rtTA/Tet-O-Cre (Klf5Δ/ΔCE) mouse CE by administering doxycycline via chow. Normal chow-fed ternary transgenic siblings served as controls...
September 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28906366/risk-factors-for-lymph-node-metastasis-of-early-gastric-cancers-in-patients-younger-than-40
#17
Tao Ji, Fan Zhou, John Wang, Li Zi
This research aims to explore the potential risk factors of lymph node metastasis (LNM) for early gastric cancers in young patients.We retrospectively collected data from 4287 patients who underwent gastrectomy from January 2005 to December 2015 at Linyi People's Hospital. Of these, we enrolled 397 eligible consecutive patients who had early gastric cancer, then divided them into 2 groups according to age (≤40 years and >40 years). The association between the clinicopathological factors and LNM was analyzed by univariate and multivariate analysis...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28906008/role-of-macrophage-migration-inhibitory-factor-mif-in-the-effects-of-oxidative-stress-on-human-retinal-pigment-epithelial-cells
#18
Ji-Ae Ko, Yasuyuki Sotani, Diah Gemala Ibrahim, Yoshiaki Kiuchi
Proliferative vitreoretinopathy (PVR) is the major cause of treatment failure in individuals who undergo surgery for retinal detachment. The epithelial-mesenchymal transition (EMT) in retinal pigment epithelium (RPE) cells contributes to the pathogenesis of PVR. Oxidative stress is thought to play a role in the progression of retinal diseases including PVR. We have now examined the effects of oxidative stress on the EMT and related processes in the human RPE cell line. We found that H2 O2 induced the contraction of RPE cells in a three-dimensional collagen gel...
September 14, 2017: Cell Biochemistry and Function
https://www.readbyqxmd.com/read/28903838/prognostic-potential-of-n-cadherin-in-oral-squamous-cell-carcinoma-via-immunohistochemical-methods
#19
Betina Chandolia, Jai Parkash Rajliwal, Manas Bajpai, Manika Arora
OBJECTIVE: To assess the prognostic potential for N-cadherin in oral squamous cell carcinoma and oral epithelial dysplasia. STUDY DESIGN: Across-sectional study, analytical study. PLACE AND DURATION OF STUDY: Maharishi Markandeshwar College of Dental Science Research (MMCDSR), Ambala, India, from 2011 to 2014. METHODOLOGY: Immunohistochemistry was used to observe the N-cadherin expression in 100 cases having epithelium with normal oral mucosa, oral epithelial dysplastic lesions and oral squamous cell carcinoma (OSCC)...
August 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28903489/from-the-cover-exposure-to-an-environmentally-relevant-mixture-of-brominated-flame-retardants-decreased-p-%C3%AE-cateninser675-expression-and-its-interaction-with-e-cadherin-in-the-mammary-glands-of-lactating-rats
#20
Elham Dianati, Michael G Wade, Barbara F Hales, Bernard Robaire, Isabelle Plante
Proper mammary gland development and function require precise hormonal regulation and bidirectional cross talk between cells provided by means of paracrine factors as well as intercellular junctions; exposure to environmental endocrine disruptors can disturb these processes. Exposure to one such family of chemicals, the brominated flame retardants (BFRs), is ubiquitous. Here, we tested the hypothesis that BFR exposures disrupt signaling pathways and intercellular junctions that control mammary gland development...
September 1, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
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