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https://www.readbyqxmd.com/read/28528509/invasive-lobular-carcinoma-with-extracellular-mucin-production-a-novel-pattern-of-lobular-carcinomas-of-the-breast-clinico-pathological-description-of-eight-cases
#1
Gábor Cserni, Giuseppe Floris, Nektarios Koufopoulos, Anikó Kovács, Afroditi Nonni, Peter Regitnig, Anders Stahls, Zsuzsanna Varga
Invasive lobular carcinoma of the breast is known to produce intracellular mucin and has been recognized in single-case reports to show extracellular mucin production, as well. This latter morphology is not only rare but must also be under- or misdiagnosed. The aim was to better characterize this entity. Cases of lobular cancers demonstrating extracellular mucin formation were identified in a multi-institutional effort and their clinical and morphologic features were assessed. Immunohistochemistry was used to characterize the E-cadherin-membrane complex, neuroendocrine differentiation, and to some extent, mucin formation...
May 20, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28528497/microrna-30a-5p-mir-30a-regulates-cell-motility-and-emt-by-directly-targeting-oncogenic-tm4sf1-in-colorectal-cancer
#2
Y R Park, S L Kim, M R Lee, S Y Seo, J H Lee, S H Kim, I H Kim, S O Lee, S T Lee, Sang Wook Kim
PURPOSE: Colorectal cancer (CRC) is one of the leading causes of cancer death worldwide, and many oncogenes and tumor suppressor genes are involved in CRC. MicroRNAs (miRNAs) are small non-coding RNAs that can negatively regulate gene expression. Previous studies have revealed that miRNAs regulate the development and progression of many cancers. In this study, we investigated the role of microRNA-30a-5p (miR-30a) in CRC and its unknown mechanisms. METHODS: qRT-PCR was used to detect miR-30a and TM4SF1 mRNA expression in CRC specimens and cell lines...
May 20, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28528309/maintenance-of-claudin-3-expression-and-the-barrier-functions-of-intercellular-junctions-in-parotid-acinar-cells-via-the-inhibition-of-src-signaling
#3
Megumi Yokoyama, Takanori Narita, Hajime Sakurai, Osamu Katsumata-Kato, Hiroshi Sugiya, Junko Fujita-Yoshigaki
OBJECTIVES: Salivary acinar and duct cells show different expression patterns of claudins, which may reflect their different functions. To study the role of claudins in saliva secretion, we examined alterations in the expression patterns of cell adhesion molecules in parotid glands of γ-irradiated rats and analyzed the influence of those changes on intercellular barrier function using primary cultures of parotid acinar cells. DESIGN: Rats were γ-irradiated with doses of 5, 15 or 20Gy, and expression levels of cell adhesion molecules were examined by immunoblotting analysis...
May 15, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28527412/early-stage-detection-of-ve-cadherin-during-endothelial-differentiation-of-human-mesenchymal-stem-cells-using-spr-biosensor
#4
Farzaneh Fathi, Aysa Rezabakhsh, Reza Rahbarghazi, Mohammad-Reza Rashidi
Surface plasmon resonance (SPR) biosensors are most commonly applied for real-time dynamic analysis and measurement of interactions in bio-molecular studies and cell-surface analysis without the need for labeling processes. Up to present, SPR application in stem cell biology and biomedical sciences was underused. Herein, a very simple and sensitive method was developed to evaluate human mesenchymal stem cells trans-differentiation to endothelial lineage of over a period of 14 days based on VE-cadherin biomarker...
May 10, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28527400/effects-of-combretastatin-a-4-phosphate-on-canine-normal-and-tumor-tissue-derived-endothelial-cells
#5
Yusuke Izumi, Keisuke Aoshima, Yuki Hoshino, Satoshi Takagi
Combretastatin A-4 phosphate (CA4P) selectively blocks tumor blood flow. However, the detailed mechanisms through which CA4P specifically affects tumor blood vessels are not well understood. Recent reports revealed that tumor tissue-derived endothelial cells (TECs) have various specific features in comparison with normal tissue-derived endothelial cells (NECs). Thus, abnormalities in TECs may be involved in the selective vascular blockade mechanism of CA4P. In this study, we evaluated the effects of CA4P on canine NECs and TECs using confocal microscopy...
May 13, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28526750/pdgf-controls-contact-inhibition-of-locomotion-by-regulating-n-cadherin-during-neural-crest-migration
#6
Isabel Bahm, Elias H Barriga, Antonina Frolov, Eric Theveneau, Paul Frankel, Roberto Mayor
A fundamental property of neural crest (NC) migration is Contact inhibition of locomotion (CIL), a process by which cells change their direction of migration upon cell contact. CIL has been proven to be essential for NC migration in amphibian and zebrafish by controlling cell polarity in a cell contact dependent manner. Cell contact during CIL requires the participation of the cell adhesion molecule N-cadherin, which starts to be expressed by NC cells as a consequence of the switch between E- and N-cadherins during epithelial to mesenchymal transition (EMT)...
May 19, 2017: Development
https://www.readbyqxmd.com/read/28526733/discovery-and-optimization-of-hkt288-a-cadherin-6-targeting-adc-for-the-treatment-of-ovarian-and-renal-cancer
#7
Carl U Bialucha, Scott D Collins, Xiao Li, Parmita Saxena, Xiamei Zhang, Clemens Dürr, Bruno LaFont, Pierric Prieur, Yeonju Shim, Rebecca Mosher, David Lee, Lance Ostrom, Tiancen Hu, Sanela Bilic, Ivana Liric Rajlic, Vladimir Capka, Wei Jiang, Joel P Wagner, GiNell Elliott, Artur Veloso, Jessica C Piel, Meghan M Flaherty, Keith G Mansfield, Emily K Meseck, Tina Rubic-Schneider, Anne Serdakowski London, William R Tschantz, Markus Kurz, Duc Nguyen, Aaron Bourret, Matthew J Meyer, Jason E Faris, Mary J Janatpour, Vivien W Chan, Nicholas C Yoder, Kalli C Catcott, Molly A McShea, Xiuxia Sun, Hui Gao, Juliet Williams, Francesco Hofmann, Jeffrey A Engelman, Seth A Ettenberg, William R Sellers, Emma Lees
Despite an improving therapeutic landscape, significant challenges remain in treating the majority of advanced ovarian and renal cancer patients. We identified the cell-cell adhesion molecule cadherin-6 (CDH6) as a lineage gene having significant differential expression in ovarian and kidney cancer. HKT288 is an optimized CDH6-targeting DM4-based antibody drug conjugate (ADC) developed for the treatment of these diseases. Our study provides mechanistic evidence supporting the importance of linker choice for optimal anti-tumor activity and highlights CDH6 as a novel antigen for biotherapeutic development...
May 19, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28525910/cutaneous-apocrine-carcinoma-with-an-in-situ-component-and-histiocytoid-and-signet-ring-cells
#8
Jérémie Berdugo, Vincent Dumont-Mackay, Sophie Brissy-Lachery, Yves E Leclerc, Josée Doyon, Andrew Mitchell, Tony Petrella, Delphine Désy
We present a case of cutaneous apocrine carcinoma arising in the axilla of a 71-year-old man. The tumor had a significant component of histiocytoid and signet-ring cells as well as in situ carcinoma within the apocrine glands. The cells expressed GATA3, gross cystic disease fluid protein 15, androgen receptor, and E-cadherin. Estrogen receptor, progesterone receptor, and human epidermal growth factor receptor 2 were negative. Clinical correlation was required to rule out a metastasis from the breast or the gastrointestinal tract...
June 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28524745/actin-cytoskeleton-regulates-functional-anchorage-migration-switch-during-t-cadherin-induced-phenotype-modulation-of-vascular-smooth-muscle-cells
#9
Agne Frismantiene, Emmanouil Kyriakakis, Boris Dasen, Paul Erne, Therese J Resink, Maria Philippova
Vascular smooth muscle cell (SMC) switching between differentiated and dedifferentiated phenotypes is reversible and accompanied by morphological and functional alterations that require reconfiguration of cell-cell and cell-matrix adhesion networks. Studies attempting to explore changes in overall composition of the adhesion nexus during SMC phenotype transition are lacking. We have previously demonstrated that T-cadherin knockdown enforces SMC differentiation, whereas T-cadherin upregulation promotes SMC dedifferentiation...
May 19, 2017: Cell Adhesion & Migration
https://www.readbyqxmd.com/read/28524727/e-cadherin-%C3%AE-catenin-complex-a-target-for-anticancer-and-antimetastasis-plants-plant-derived-compounds
#10
Majid Tafrihi, Roohollah Nakhaei Sistani
Plants reputed to have cancer-inhibiting potential and putative active components derived from those plants have emerged as an exciting new field in cancer study. Some of these compounds have cancer-inhibiting potential in different clinical staging levels, especially metastasis. A few of them which stabilize cell-cell adhesions are controversial topics. This review article introduces some effective herbal compounds that target E-cadherin/β-catenin protein complex. In this article, at first, we briefly review the structure and function of E-cadherin and β-catenin proteins, Wnt signaling pathway, and its target genes...
May 19, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28523571/congenital-immature-pure-erythroid-leukemia-with-e-cadherin-expression
#11
Akihiro Tamura, Suguru Uemura, Atsuro Saito, Saki Okubo, Nanako Nino, Teppei Tahara, Takehito Yokoi, Kenji Kishimoto, Toshiaki Ishida, Daiichiro Hasegawa, Keiichiro Kawasaki, Seiji Yoshimoto, Hideto Nakao, Makiko Yoshida, Yoshiyuki Kosaka
Congenital pure erythroid leukemia is exceedingly rare and poses a diagnostic challenge. We report an atypical case of congenital pure erythroid leukemia that did not express typical erythroid markers. The patient presented with a high white blood cell count with blastic cells at birth. Although flow cytometric analyses of peripheral blood and bone marrow showed a large CD45-negative cell population, we did not identify any evidence of monoclonality. While the circulating blasts decreased with only supportive care, hepatomegaly with multiple nodules was accompanied by liver failure, disseminated intravascular coagulation, and development of hemophagocytic lymphohistiocytosis...
May 18, 2017: International Journal of Hematology
https://www.readbyqxmd.com/read/28523251/bone-marker-gene-expression-in-calvarial-bones-different-bone-microenvironments
#12
Osama Al-Amer
BACKGROUND: In calvarial mice, mesenchymal stem cells (MSCs) differentiate into osteoprogenitor cells and then differentiate into osteoblasts that differentiate into osteocytes, which become embedded within the bone matrix. In this case, the cells participating in bone formation include MSCs, osteoprogenitor cells, osteoblasts and osteocytes. The calvariae of C57BL/KaLwRijHsD mice consist of the following five bones: two frontal bones, two parietal bones and one interparietal bone. This study aimed to analyse some bone marker genes and bone related genes to determine whether these calvarial bones have different bone microenvironments...
December 2017: Journal of Biological Research
https://www.readbyqxmd.com/read/28523049/expression-of-cd133-e-cadherin-and-wwox-in-colorectal-cancer-and-related-analysis
#13
Wenwen Sun, Jinxia Dou, Lin Zhang, Likui Qiao, Na Shen, Wenyuan Gao
OBJECTIVE: To detect the expression of CD133, E-cadherin and WWOX in colorectal cancer, analyze the correlations and pathological significance of the biomarkers. METHODS: Two hundred and ten patients with colorectal cancer treated surgically between January 2007 and December 2015 were analyzed retrospectively. All patients had pathologic specimens and integrated clinical data. Pathologic specimens were retrieved for immunohistochemical examination of the expressions of CD133, WWOX and E-cadherin...
March 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28522946/parthenolide-promotes-apoptotic-cell-death-and-inhibits-the-migration-and-invasion-of-sw620-cells
#14
Yu Chuan Liu, Se Lim Kim, Young Ran Park, Soo-Teik Lee, Sang Wook Kim
BACKGROUND/AIMS: Parthenolide (PT), a principle component derived from feverfew (Tanacetum parthenium), is a promising anticancer agent and has been shown to promote apoptotic cell death in various cancer cells. In this study, we focused on its functional role in apoptosis, migration, and invasion of human colorectal cancer (CRC) cells. METHODS: SW620 cells were employed as representative human CRC cells. We performed the MTT assay and cell cycle analysis to measure apoptotic cell death...
April 2017: Intestinal Research
https://www.readbyqxmd.com/read/28522939/identification-of-protein-targets-in-cerebral-endothelial-cells-for-brain-arteriovenous-malformation-avms-molecular-therapies
#15
Margaret Simonian, Rachel R Ogorzalek Loo, Nalaka Rannulu, Joseph A Loo, Mark P Molloy, Marcus A Stoodley
BACKGROUND: To develop a new molecular targeted treatment for brain (AVMs), identification of membrane proteins that are localised on the AVM endothelium is crucial. Current treatment methods are surgery and radiosurgery. However, complete occlusion post radiosurgery are achieved within 3 years, while patient remain at risk of haemorrhage. This study aims to identify potential protein targets in AVM endothelial cells that discriminate these vessels from normal vessels; these proteins targets will be investigated for the molecular therapy of brain AVMs to promote rapid thrombosis after radiosurgery...
2017: Clinical Proteomics
https://www.readbyqxmd.com/read/28522860/involvement-of-fak-erk2-signaling-pathway-in-ckap2-induced-proliferation-and-motility-in-cervical-carcinoma-cell-lines
#16
Qi-Sang Guo, Yu Song, Ke-Qin Hua, Shu-Jun Gao
Cervical carcinoma is the fourth most common cause of death in woman, caused by human papillomavirus (HPV) infections and arising from the cervix. Cytoskeleton-associated protein 2 (CKAP2), also known as tumor-associated microtubule-associated protein, has been linked to tumorigenic effects. In the present study, we screened CKAP2 as a new candidate gene which promotes development of cervical carcinoma, in two independent datasets (TCGA and GSE27678). Results showed that CKAP2 expression was significantly up-regulated in cervical cancerous tissues compared with normal counterparts...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522797/protective-effects-of-hydrogen-rich-saline-against-lipopolysaccharide-induced-alveolar-epithelial-to-mesenchymal-transition-and-pulmonary-fibrosis
#17
Wen-Wen Dong, Yun-Qian Zhang, Xiao-Yan Zhu, Yan-Fei Mao, Xue-Jun Sun, Yu-Jian Liu, Lai Jiang
BACKGROUND Fibrotic change is one of the important reasons for the poor prognosis of patients with acute respiratory distress syndrome (ARDS). The present study investigated the effects of hydrogen-rich saline, a selective hydroxyl radical scavenger, on lipopolysaccharide (LPS)-induced pulmonary fibrosis. MATERIAL AND METHODS Male ICR mice were divided randomly into 5 groups: Control, LPS-treated plus vehicle treatment, and LPS-treated plus hydrogen-rich saline (2.5, 5, or 10 ml/kg) treatment. Twenty-eight days later, fibrosis was assessed by determination of collagen deposition, hydroxyproline, and type I collagen levels...
May 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28522595/human-salivary-peptide-histatin-1-stimulates-epithelial-and-endothelial-cell-adhesion-and-barrier-function
#18
Irene A van Dijk, Maria Laura Ferrando, Anne-Eva van der Wijk, Ron A Hoebe, Kamran Nazmi, Wouter J de Jonge, Przemek M Krawczyk, Jan G M Bolscher, Enno C I Veerman, Jan Stap
Histatins are multifunctional histidine-rich peptides secreted by the salivary glands and exclusively present in the saliva of higher primates, where they play a fundamental role in the protection of the oral cavity. Our previously published results demonstrated that histatin-1 (Hst1) promotes cell-substrate adhesion in various cell types and hinted that it could also be involved in cell-cell adhesion, a process of fundamental importance to epithelial and endothelial barriers. Here we explore the effects of Hst1 on cellular barrier function...
May 18, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28522256/sporadic-early-onset-diffuse-gastric-cancers-have-high-frequency-of-somatic-cdh1-alterations-but-low-frequency-of-somatic-rhoa-mutations-compared-with-late-onset-cancers
#19
Soo Young Cho, Jun Won Park, Yang Liu, Young Soo Park, Ju Hee Kim, Hanna Yang, Hyejin Um, Woo Ri Ko, Byung Il Lee, Sun Young Kwon, Seung Wan Ryu, Chae Hwa Kwon, Do Youn Park, Jae-Hyuk Lee, Sang Il Lee, Kyu Sang Song, Hoon Hur, Sang-Uk Han, Heekyung Chang, Su-Jin Kim, Byung-Sik Kim, Jeong-Hwan Yook, Moon-Won Yoo, Beom-Su Kim, In-Seob Lee, Myeong-Cherl Kook, Nina Thiessen, An He, Chip Stewart, Andrew Dunford, Jaegil Kim, Juliann Shih, Gordon Saksena, Andrew D Cherniack, Steven Schumacher, Amaro-Taylor Weiner, Mara Rosenberg, Gad Getz, Eun Gyeong Yang, Min Hee Ryu, Adam J Bass, Hark Kyun Kim
BACKGROUND & AIMS: Early-onset gastric cancer, which develops in younger patients than most gastric cancers, is usually detected at advanced stages, has diffuse histologic features, and occurs more frequently in women. We investigated somatic genomic alterations associated with the unique characteristics of sporadic diffuse gastric cancers (DGCs) from younger patients. METHODS: We conducted whole exome and RNA sequence analyses of 80 resected DGC samples from patients 45 years old or younger in Korea...
May 15, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28521610/sphk1-sphingosine-kinase-1-induces-epithelial-mesenchymal-transition-by-promoting-the-autophagy-linked-lysosomal-degradation-of-cdh1-e-cadherin-in-hepatoma-cells
#20
Hong Liu, Yan Ma, Hong-Wei He, Wu-Li Zhao, Rong-Guang Shao
SPHK1 (sphingosine kinase 1), a regulator of sphingolipid metabolites, plays a causal role in the development of hepatocellular carcinoma (HCC) through augmenting HCC invasion and metastasis. However, the mechanism by which SPHK1 signaling promotes invasion and metastasis in HCC remains to be clarified. Here, we reported that SPHK1 induced the epithelial-mesenchymal transition (EMT) by accelerating CDH1/E-cadherin lysosomal degradation and facilitating the invasion and metastasis of HepG2 cells. Initially, we found that SPHK1 promoted cell migration and invasion and induced the EMT process through decreasing the expression of CDH1, which is an epithelial marker...
May 4, 2017: Autophagy
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