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https://www.readbyqxmd.com/read/28434170/establishment-and-characterization-of-novel-epithelial-like-cell-lines-derived-from-human-periodontal-ligament-tissue-in-vitro
#1
Kallapat Tansriratanawong, Hiroshi Ishikawa, Junko Toyomura, Soh Sato
In this study, novel human-derived epithelial-like cells (hEPLCs) lines were established from periodontal ligament (PDL) tissues, which were composed of a variety of cell types and exhibited complex cellular activities. To elucidate the putative features distinguishing these from epithelial rest of Malassez (ERM), we characterized hEPLCs based on cell lineage markers and tight junction protein expression. The aim of this study was, therefore, to establish and characterize hEPLCs lines from PDL tissues. The hEPLCs were isolated from PDL of third molar teeth...
April 22, 2017: Human Cell
https://www.readbyqxmd.com/read/28434038/emerging-potential-of-gene-silencing-approaches-targeting-anti-chondrogenic-factors-for-cell-based-cartilage-repair
#2
REVIEW
Andrea Lolli, Letizia Penolazzi, Roberto Narcisi, Gerjo J V M van Osch, Roberta Piva
The field of cartilage repair has exponentially been growing over the past decade. Here, we discuss the possibility to achieve satisfactory regeneration of articular cartilage by means of human mesenchymal stem cells (hMSCs) depleted of anti-chondrogenic factors and implanted in the site of injury. Different types of molecules including transcription factors, transcriptional co-regulators, secreted proteins, and microRNAs have recently been identified as negative modulators of chondroprogenitor differentiation and chondrocyte function...
April 22, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28434000/apolipoprotein-a1-inhibits-the-tgf-%C3%AE-1-induced-endothelial-to-mesenchymal-transition-of-human-coronary-artery-endothelial-cells
#3
Juling Feng, Jingjing Zhang, Ampadu O Jackson, Xiao Zhu, Hainan Chen, Wen Chen, Qingjun Gui, Kai Yin
OBJECTIVE: Transforming growth factor β1 (TGF-β1) is the major cytokine for stimulating endothelial cells (ECs) to transdifferentiate to mesenchymal cells (MCs) in the process known as endothelial-to-mesenchymal transition (EndMT). Recently, TGF-β1-induced EndMT has been implicated in the pathogenesis of atherosclerosis (AS). It has been identified that apolipoprotein A1 (ApoA-I) obstructs TGF-β1-induced endothelial dysfunction, providing a protective effect for ECs and also anti-AS activity...
April 22, 2017: Cardiology
https://www.readbyqxmd.com/read/28433939/enhanced-proangiogenic-potential-of-mesenchymal-stem-cell-derived-exosomes-stimulated-by-a-nitric-oxide-releasing-polymer
#4
Wei Du, Kaiyue Zhang, Shuaiqiang Zhang, Ran Wang, Yan Nie, Hongyan Tao, Zhibo Han, Lu Liang, Di Wang, Jianfeng Liu, Na Liu, Zhongchao Han, Deling Kong, Qiang Zhao, Zongjin Li
Mesenchymal stem cell (MSC)-derived exosomes have been recognized as new candidates for the treatment of degenerative diseases or injury and may provide an alternative to cell-based therapy. However, the compositions in MSC-derived exosomes are highly influenced by the microenvironment in which their original cells reside. Here, we hypothesized that a nitric oxide (NO)-releasing polymer can boost the proangiogenic compositions of exosomes and enhance their proangiogenic capacity. Our results demonstrated that exosomes, released from human placenta-derived MSCs (hP-MSCs) by NO stimulation, augment the angiogenic effects of human umbilical vein endothelial cells (HUVECs) in vitro...
April 17, 2017: Biomaterials
https://www.readbyqxmd.com/read/28433840/the-unusual-presentation-of-a-myxoma-within-the-sphenoid-sinus-case-report-and-review-of-the-literature
#5
Julian V Clarke, Aditi H Mandpe, Peter B Weber, Hannes Vogel, Lewis Z Leng
BACKGROUND: We describe a rare case of a sphenoid sinus myxoma that was resected via an endoscopic endonasal skull base approach. We review the literature regarding these rare tumors of the paranasal sinuses. CASE DESCRIPTION: A 72 year old female was diagnosed with an incidental sphenoid sinus tumor and left sphenoid wing meningioma during work-up for left sided proptosis and diplopia. Biopsies of the sphenoid wing and sphenoid sinus tumors were obtained. After undergoing surgical resection of the meningioma, the patient then underwent definitive resection of the sphenoid sinus myxoma via endoscopic endonasal skull base approach...
April 19, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28433772/mesenchymal-stem-cells-induce-epithelial-to-mesenchymal-transition-in-colon-cancer-cells-through-direct-cell-to-cell-contact
#6
Hidehiko Takigawa, Yasuhiko Kitadai, Kei Shinagawa, Ryo Yuge, Yukihito Higashi, Shinji Tanaka, Wataru Yasui, Kazuaki Chayama
We previously reported that in an orthotopic nude mouse model of human colon cancer, bone marrow-derived mesenchymal stem cells (MSCs) migrated to the tumor stroma and promoted tumor growth and metastasis. Here, we evaluated the proliferation and migration ability of cancer cells cocultured with MSCs to elucidate the mechanism of interaction between cancer cells and MSCs. Proliferation and migration of cancer cells increased following direct coculture with MSCs but not following indirect coculture. Thus, we hypothesized that direct contact between cancer cells and MSCs was important...
April 20, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28433771/a-versatile-tumor-gene-deletion-system-reveals-a-crucial-role-for-fgfr1-in-breast-cancer-metastasis
#7
Wei Wang, Yanling Meng, Bingning Dong, Jie Dong, Michael M Ittmann, Chad J Creighton, Lu Yang, Hong Zhang, Tao Shen, Jianghua Wang, David R Rowley, Yi Li, Fengju Chen, David D Moore, Feng Yang
RCAS avian viruses have been used to deliver oncogene expression and induce tumors in transgenic mice expressing the virus receptor TVA. Here we report the generation and characterization of a novel RCAS-Cre-IRES-PyMT (RCI-PyMT) virus designed to specifically knockout genes of interest in tumors generated in appropriate mutant mouse hosts. FGF receptor 1 (FGFR1) is a gene that is amplified in human breast cancer, but there have been no definitive studies on its function in mammary tumorigenesis, progression, and metastasis in vivo in spontaneous tumors in mice...
April 20, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28433655/targeting-sarcoma-tumor-initiating-cells-through-differentiation-therapy
#8
Dan Han, Veronica Rodriguez-Bravo, Elizabeth Charytonowicz, Elizabeth Demicco, Josep Domingo-Domenech, Robert G Maki, Carlos Cordon-Cardo
Human leukocyte antigen class I (HLA-I) down-regulation has been reported in many human cancers to be associated with poor clinical outcome. However, its connection to tumor-initiating cells (TICs) remains unknown. In this study, we report that HLA-I is down-regulated in a subpopulation of cells that have high tumor initiating capacity in different types of human sarcomas. Detailed characterization revealed their distinct molecular profiles regarding proliferation, apoptosis and stemness programs. Notably, these TICs can be induced to differentiate along distinct mesenchymal lineages, including the osteogenic pathway...
April 13, 2017: Stem Cell Research
https://www.readbyqxmd.com/read/28433633/angiotensin-converting-enzyme-2-is-a-potential-therapeutic-target-for-egfr-mutant-lung-adenocarcinoma
#9
Miki Yamaguchi, Sachie Hirai, Toshiyuki Sumi, Yusuke Tanaka, Makoto Tada, Yukari Nishii, Tadashi Hasegawa, Hiroaki Uchida, Gen Yamada, Atsushi Watanabe, Hiroki Takahashi, Yuji Sakuma
EGFR-mutant lung adenocarcinomas contain a subpopulation of cells that have undergone epithelial-to-mesenchymal transition and can grow independently of EGFR. To kill these cancer cells, we need a novel therapeutic approach other than EGFR inhibitors. If a molecule is specifically expressed on the cell surface of such EGFR-independent EGFR-mutant cancer cells, it can be a therapeutic target. We found that a mesenchymal EGFR-independent subline derived from HCC827 cells, an EGFR-mutant lung adenocarcinoma cell line, expressed angiotensin-converting enzyme 2 (ACE2) to a greater extent than its parental cells...
April 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28433542/blockade-of-pdgf-receptors-by-crenolanib-has-therapeutic-effect-in-patient-fibroblasts-and-in-preclinical-models-of-systemic-sclerosis
#10
Katsunari Makino, Tomoko Makino, Lukasz Stawski, Julio C Mantero, Robert Lafyatis, Robert Simms, Maria Trojanowska
Systemic sclerosis (SSc) is a multi-organ fibrotic disease with few treatment options. Activated fibroblasts are the key effector cells in SSc responsible for the excessive production of collagen and the development of fibrosis. PDGF, a potent mitogen for cells of mesenchymal origin, has been implicated in the activation of SSc fibroblasts. Our aim was to examine the therapeutic potential of crenolanib, an inhibitor of PDGF receptor signaling, in cultured fibroblasts and in angiotensin II (Ang II)-induced skin and heart fibrosis...
April 19, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28433516/intravenous-mesenchymal-stromal-cell-therapy-for-inflammatory-bowel-disease-lessons-from-the-acute-graft-versus-host-disease-experience
#11
REVIEW
Laurie S Conklin, Patrick J Hanley, Jacques Galipeau, John Barrett, Cather M Bollard
Bone marrow-derived mesenchymal stromal cells (BMSCs) are primitive, supportive cells of the bone marrow with tri-lineage potential to differentiate into bone, cartilage, fat and muscle. These cells possess both in vitro and in vivo immunomodulatory and wound-healing properties. Several studies have demonstrated efficacy of intravenously administered BMSCs in treating acute graft-versus-host disease (GvHD). Use of intravenous (IV) BMSCs in inflammatory bowel diseases (IBD) in humans has been limited to small studies in adults, but results have been promising...
April 19, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28432469/renal-findings-in-patients-with-mulibrey-nanism
#12
Johanna Sivunen, Susann Karlberg, Jouko Lohi, Niklas Karlberg, Marita Lipsanen-Nyman, Hannu Jalanko
BACKGROUND: Mulibrey nanism (MUL) is a rare inherited disease caused by genetic defects affecting peroxisomal TRIM37 protein. MUL affects multiple organs, leading to growth retardation and early onset type 2 diabetes. We aimed to characterize the structure and function of kidneys and the urinary tract in a large cohort of Finnish MUL patients. METHODS: Ultrasound, magnetic resonance imaging (MRI), and autopsy findings of the kidneys and urinary tract from 101 MUL patients were retrospectively analyzed...
April 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28432431/initial-cell-adhesion-of-three-cell-types-in-the-presence-and-absence-of-serum-proteins
#13
Martina Verdanova, Pavla Sauerova, Ute Hempel, Marie Hubalek Kalbacova
With the development of a wide range of new biomaterials for the sensing of different cell behaviour, it is important to consider whether the cells tested in vitro are in direct contact with the material or whether cell-biomaterial contact is mediated by an interfacial layer of proteins originating from the culture medium or from the cells themselves. Thus, this study describes the differences between the cell adhesion mediated by proteins originating from foetal bovine serum and without the presence of such proteins 2 h following cell seeding exemplarily with different cell types (an osteoblastic cell line, primary fibroblasts, and mesenchymal stem cells)...
April 21, 2017: Histochemistry and Cell Biology
https://www.readbyqxmd.com/read/28432274/sensitive-detection-of-viable-circulating-tumor-cells-using-a-novel-conditionally-telomerase-selective-replicating-adenovirus-in-non-small-cell-lung-cancer-patients
#14
Shinsaku Togo, Nobuyoshi Katagiri, Yukiko Namba, Miniwan Tulafu, Kumi Nagahama, Kotarou Kadoya, Kazuya Takamochi, Siaki Oh, Kenji Suzuki, Fuminori Sakurai, Hiroyuki Mizuguchi, Yasuo Urata, Kazuhisa Takahashi
Circulating tumor cells (CTCs) have a crucial role in the clinical outcome of cancer patients. Detection of non-small cell lung cancer (NSCLC) using an antibody against epithelial cell adhesion molecule (EpCAM) in captured CTCs has low sensitivity; the loss of epithelial markers leads to underestimation of CTCs with mesenchymal phenotype. We propose a new approach for detection of viable CTCs, including those with epithelial-mesenchymal transition status (EMT-CTCs), using the new telomerase-specific replication-selective adenovirus (OBP-1101), TelomeScan F35...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28432260/dual-histone-reader-zmynd8-inhibits-cancer-cell-invasion-by-positively-regulating-epithelial-genes
#15
Moitri Basu, Isha Sengupta, Wasim Khan, Dushyant Kumar Srivastava, Partha Chakrabarti, Siddhartha Roy, Chandrima Das
Enhanced migratory potential and invasiveness of cancer cells attribute crucially.in cancer progression. These phenotypes are achieved by precise alteration of invasion-associated genes through local epigenetic modifications which are recognized by a class of proteins termed as chromatin reader. ZMYND8 (zinc finger MYND (Myeloid, Nervy and DEAF-1)-type containing 8), a key component of transcription regulatory network, has been recently shown to be a novel reader of H3.1K36Me2/H4K16Ac marks. Through differential gene expression analysis upon silencing this chromatin reader, we identified a subset of genes involved in cell proliferation and invasion/migration regulated by ZMYND8...
April 21, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28432001/in-vivo-and-in-vitro-study-of-osteogenic-potency-of-endothelin-1-on-bone-marrow-derived-mesenchymal-stem-cells
#16
Long-Wei Hu, Xiao Wang, Xin-Qun Jiang, Li-Qun Xu, Hong-Ya Pan
Bone marrow-derived mesenchymal stem cells (BMSCs) are a major source of osteoblasts and are crucial for bone remolding and repair and thus they are widely used for tissue engineering applications. Tissue engineering in combination with gene therapy is considered as a promising approach in new bone regeneration. Endothelin-1(EDN-1)is produced by vascular endothelial cells which plays an important role during bone development. However, its role in BMSCs remains largely unknown. We established EDN-1 overexpressed BMSCs, proliferation ability and osteogenesis differentiation were detected respectively...
April 18, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28431932/zbed3-as1-induces-chondrogenesis-of-human-synovial-fluid-mesenchymal-stem-cells
#17
Farong Ou, Kai Su, Jiadong Sun, Wenting Liao, Yu Yao, Youhua Zheng, Zhiguang Zhang
Human synovial fluid-derived mesenchymal stem cells (SFMSCs) have great potential for cartilage induction and are promising for cell-based strategies for articular cartilage repair. Many long non-coding RNAs (lncRNAs) regulate chondrogenesis of MSCs. We hypothesized that the divergent lncRNA ZBED3-AS1, which binds locally to chromatin, could promote the expression of zbed3, a novel Axin-interacting protein that activates Wnt/β-catenin signaling, involved in chondrogenesis. However, the function of ZBED3-AS1 in SFMSCs is unclear...
April 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28431931/peroxiredoxin-5-promotes-the-epithelial-mesenchymal-transition-in-colon-cancer
#18
Hye-Mi Ahn, Jin-Woo Yoo, Seunghoon Lee, Hong Jun Lee, Hyun-Shik Lee, Dong-Seok Lee
Globally, colorectal cancer (CRC) is common cause of cancer-related deaths. The high mortality rate of patients with colon cancer is due to cancer cell invasion and metastasis. Initiation of the epithelial-to-mesenchymal transition (EMT) is essential for the tumorigenesis. Peroxiredoinxs (PRX1-6) have been reported to be overexpressed in various tumor tissues, and involved to be responsible for tumor progression. However, the exact role of PRX5 in colon cancer remains to be investigated enhancing proliferation and promoting EMT properties...
April 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28431756/plexiform-fibromyxoma-a-rare-mesenchymal-gastric-tumor
#19
Pedro Luis Gonzalez-Cordero, Daniel Vara-Brenes, María Del Carmen Pecero-Hormigo, Jose María Mateos-Rodríguez, Javier Molina-Infante, Yvana Anavy Martínez Mateo, Miguel Fernández-Bermejo
No abstract text is available yet for this article.
April 18, 2017: Gastroenterología y Hepatología
https://www.readbyqxmd.com/read/28431580/cripto-1-acts-as-a-functional-marker-of-cancer-stem-like-cells-and-predicts-prognosis-of-the-patients-in-esophageal-squamous-cell-carcinoma
#20
Qiang Liu, Xiang Cui, Xi Yu, Bai-Shi-Jiao Bian, Feng Qian, Xu-Gang Hu, Cheng-Dong Ji, Lang Yang, Yong Ren, Wei Cui, Xia Zhang, Peng Zhang, Ji Ming Wang, You-Hong Cui, Xiu-Wu Bian
BACKGROUND: Esophageal squamous cell carcinoma (ESCC) is highly malignant with highly invasive and metastatic capabilities and poor prognosis. It is believed that the ESCC cancer stem-like cells (ECSLCs) are critical for tumorigenicity, invasion and metastasis of ESCC. However, the properties of ECSLCs vary with different markers used in isolation, so that new and more effective markers of ECSLCs need to be identified. This study aimed to estimate the potentiality of Cripto-1 (CR-1) as an ECSLC surface marker and investigate the clinical significance of CR-1 expression in ESCC...
April 21, 2017: Molecular Cancer
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