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Stromal cell derived factor 1

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https://www.readbyqxmd.com/read/28938552/novel-pleiotropic-effects-of-bioactive-phospholipids-in-human-lung-cancer-metastasis
#1
Gabriela Schneider, Zachariah Payne Sellers, Kamila Bujko, Sham S Kakar, Magda Kucia, Mariusz Z Ratajczak
We previously proposed that one of the unwanted side effects of chemotherapy and radiotherapy is the increase in several peptide- and non-peptide based chemoattractants in damaged tissues, leading to induction of a prometastatic microenvironment for remaining cancer cells. Herein, we turned out our attention to a potential role of bioactive phospholipids (BphsLs), such as sphingosine-1-phosphate (S1P), ceramide-1-phosphate (C1P), lysophosphatidylcholine (LPC), and lysophosphatidic acid (LPA) in lung cancer (LC) metastasis...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28926112/chronic-kidney-disease-and-vitamin-d-metabolism-in-human-bone-marrow-derived-mscs
#2
REVIEW
Shuanhu Zhou, Julie Glowacki
Vitamin D that is synthesized in the skin or is ingested undergoes sequential steps of metabolic activation via a cascade of cytochrome P450 enzymatic hydroxylations in the liver and kidney to produce 1α,25-dihydroxyvitamin D (1α,25(OH)2 D). There are many tissues that are able to synthesize 1α,25(OH)2 D, but the biological significance of extrarenal hydroxylases is unresolved. Human marrow-derived mesenchymal stem cells (marrow stromal cells, hMSCs) give rise to osteoblasts, and their differentiation is stimulated by 1α,25(OH)2 D...
August 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/28923781/low-dose-of-alcohol-attenuates-pro-atherosclerotic-activity-of-thrombin
#3
Masaaki Toda, Toshiaki Totoki, Chizu Nakamura, Taro Yasuma, Corina N D' Alessandro-Gabazza, Rumi Mifuji-Moroka, Kota Nishihama, Motoh Iwasa, Noriyuki Horiki, Esteban C Gabazza, Yoshiyuki Takei
BACKGROUND AND AIMS: Thrombin, the active enzyme of the coagulation system, plays a critical role in the pathogenesis of atherosclerosis. Vascular repair promoted by stromal cell-derived factor-1 is a protective process in atherosclerosis. Consumption of low amount of alcohol is believed to reduce the risk of atherosclerotic cardiovascular disease but the mechanism is unclear. This study evaluated whether alcohol can modulate the expression of stromal cell-derived factor-1 and the pro-atherosclerotic activity of thrombin...
September 5, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28911214/growth-regulation-by-estrogen-in-breast-cancer-1-greb1-is-a-novel-progesterone-responsive-gene-required-for-human-endometrial-stromal-decidualization
#4
Alison J Camden, Maria M Szwarc, Sangappa B Chadchan, Francesco J DeMayo, Bert W O'Malley, John P Lydon, Ramakrishna Kommagani
STUDY QUESTION: Is Growth Regulation by Estrogen in Breast Cancer 1 (GREB1) required for progesterone-driven endometrial stromal cell decidualization? SUMMARY ANSWER: GREB1 is a novel progesterone-responsive gene required for progesterone-driven human endometrial stromal cell (HESC) decidualization. WHAT IS KNOWN ALREADY: Successful establishment of pregnancy requires HESCs to transform from fibroblastic to epithelioid cells in a process called decidualization...
September 1, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28886159/directional-migration-of-mesenchymal-stem-cells-under-an-sdf-1%C3%AE-gradient-on-a-microfluidic-device
#5
Siwan Park, Hwanseok Jang, Byung Soo Kim, Changmo Hwang, Gi Seok Jeong, Yongdoo Park
Homing of peripheral stem cells is regulated by one of the most representative homing factors, stromal cell-derived factor 1 alpha (SDF-1α), which specifically binds to the plasma membrane receptor CXCR4 of mesenchymal stem cells (MSCs) in order to initiate the signaling pathways that lead to directional migration and homing of stem cells. This complex homing process and directional migration of stem cells have been mimicked on a microfluidic device that is capable of generating a chemokine gradient within the collagen matrix and embedding endothelial cell (EC) monolayers to mimic blood vessels...
2017: PloS One
https://www.readbyqxmd.com/read/28881538/-co-culture-with-endometrial-stromal-cells-promotes-the-differentiation-of-menstrual-blood-derived-mesenchymal-stem-cells-into-endometrial-epithelial-cells
#6
Y S Jiang, H Y Zhu, X Y Jin, C Li, J Li, Y L Zhang, S Y Zhang
Objective: To study the potential of differentiation of menstrual blood-derived mesenchymal stem cells (MenSC) into endometrial epithelial cells (EEC) in vitro. Methods: Endometrial stromal cells (ESC) and MenSC were cultured and identified by certain methods.MenSC were co-cultured with ESC, added 10 ng/ml TGF-β1, 10 ng/ml EGF, 10 ng/ml PDGF-BB and 1×10(-7) mol/L 17-β-estradiol.The expression of cytokeratin, which was marker of EEC, was tested by immunofluorescence in differentiated MenSC. Results: MenSC proliferated quickly in vitro, and showed fusiform shape and clear structure within 10 generations...
September 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28880927/scf-kit-signaling-induces-endothelin-3-synthesis-and-secretion-thereby-activates-and-regulates-endothelin-b-receptor-for-generating-temporally-and-spatially-precise-nitric-oxide-to-modulate-scf-and-or-kit-expressing-cell-functions
#7
Lei L Chen, Jing Zhu, Jonathan Schumacher, Chongjuan Wei, Latha Ramdas, Victor G Prieto, Arnie Jimenez, Marco A Velasco, Sheryl R Tripp, Robert H I Andtbacka, Launce Gouw, George M Rodgers, Liansheng Zhang, Benjamin K Chan, Pamela B Cassidy, Robert S Benjamin, Sancy A Leachman, Marsha L Frazier
We demonstrate that SCF-KIT signaling induces synthesis and secretion of endothelin-3 (ET3) in human umbilical vein endothelial cells and melanoma cells in vitro, gastrointestinal stromal tumors, human sun-exposed skin, and myenteric plexus of human colon post-fasting in vivo. This is the first report of a physiological mechanism of ET3 induction. Integrating our finding with supporting data from literature leads us to discover a previously unreported pathway of nitric oxide (NO) generation derived from physiological endothelial NO synthase (eNOS) or neuronal NOS (nNOS) activation (referred to as the KIT-ET3-NO pathway)...
2017: PloS One
https://www.readbyqxmd.com/read/28877641/collagen-and-hydroxyapatite-scaffolds-activate-distinct-osteogenesis-signaling-pathways-in-adult-adipose-derived-multipotent-stromal-cells
#8
Wei Duan, Masudul Haque, Michael T Kearney, Mandi Lopez
Osteogenic cell signaling pathway disruption varies among bone diseases. This investigation was designed to identify adipose derived multipotent stromal cell (ASC) and bone graft scaffold combinations for local, targeted restoration of gene expression and extracellular matrix (ECM) deposition. Human ASC osteogenesis on bone graft materials was quantified following culture in stromal (S), osteogenic (O) or osteogenic for 48 hours followed by stromal medium (OS) to test the two-part hypothesis: 1) Identical ASC isolates on distinct bone graft scaffolds demonstrate unique viability, differentiation, ECM production and gene expression in the same culture conditions; 2) Identical ASC-bone graft scaffold combinations have different cell viability, differentiation, ECM production, and gene expression when cultured in S, O or OS medium...
September 6, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28875842/targeting-cxcl12-cxcr4-axis-in-tumor-immunotherapy
#9
Weiqiang Zhou, Shanchun Guo, Mingli Liu, Matthew E Burow, Guangdi Wang
Chemokines, which have chemotactic abilities, are comprised of over 50 family members. Through binding to the 7-transmembrane domain of G-protein-coupled receptors (GPCR), they function in immune cells by trafficking and regulating cell prolif¬eration, differentiation, activation, and migration, homing under both physiologic and pathologic conditions. The alpha-chemokine receptor CXCR4 for the alpha-chemokine stromal cell-derived-factor-1 (SDF-1) is most widely expressed by tumors. CXCL12/CXCR4 axis is a major culprit for human tumor because of its crucial role in tumor initiation and progression by activating a number of signaling pathways, such as ERK1/2, ras, PLC/ MAPK, p38 MAPK, and SAPK/ JNK, as well as regulating cancer stem cells...
August 29, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28870451/microrna-based-transcriptomic-responses-of-atlantic-salmon-during-infection-by-the-intracellular-bacterium-piscirickettsia-salmonis
#10
Diego Valenzuela-Miranda, Valentina Valenzuela-Muñoz, Rodolfo Farlora, Cristian Gallardo-Escárate
MicroRNAs (miRNAs) are small non-coding RNAs that have emerged as key regulators in diverse biological processes across taxa. However, despite the importance of these transcripts, little is known about their role during the immune response in salmonids. Because of this, we use deep sequencing technologies to explore the microRNA-based transcriptomic response of the Atlantic salmon (Salmo salar) to the intracellular bacteria Piscirickettsia salmonis, one of the main threats to salmon aquaculture in Chile. Hence, 594 different miRNAs were identified from head kidney and spleen transcriptomic data...
September 1, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28868340/e-selectin-and-sdf-1-regulate-metastatic-trafficking-of-breast-cancer-cells-within-the-bone
#11
Trevor T Price, Dorothy A Sipkins
E-selectin is a key mediator of breast cancer cell (BCC) metastatic entry into the bone and stromal-derived factor 1 (SDF-1) is a critical molecular anchor for BCCs within discrete pro-dormancy bone marrow (BM) niches. Small-molecule inhibitors blocked metastatic entry and mobilized established disease from BM, suggesting a new treatment strategy to prevent breast cancer relapse.
2017: Molecular & Cellular Oncology
https://www.readbyqxmd.com/read/28853918/human-bronchial-epithelial-cell-derived-factors-from-severe-asthmatic-subjects-stimulate-eosinophil-differentiation
#12
Brittany M A Salter, Steven G Smith, Manali Mukherjee, Sophie Plante, Sakktee Krisna, Graeme Nusca, John Paul Oliveria, Anam Irshad, Gail M Gauvreau, Jamila Chakir, Parameswaran Nair, Roma Sehmi
RATIONALE: Activated bronchial epithelial cells release alarmins, including thymic stromal lymphopoietin (TSLP) that drive type 2 inflammatory responses. We hypothesize that bronchial epithelial-derived factors enhance in situ eosinophil differentiation and maturation from myeloid precursors, a process that is driven by an IL-5 rich micro-environment within asthma airways. METHODS: To assess the eosinophilopoietic potential of epithelial-derived factors, eosinophil/basophil colony forming units (Eo/B-CFU) were enumerated in 14-day methylcellulose cultures of blood-derived mononuclear cells (NAMNCs) incubated with bronchial epithelial cell supernatants (BECSN) from healthy non-atopic controls (NC; n = 8), mild atopic asthmatics (MA; n = 9) and severe asthmatics (SA; n = 5)...
August 30, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28844046/paracrine-effects-of-mesenchymal-stem-cells-on-the-activation-of-keratocytes
#13
Zhixin Jiang, Guangjie Liu, Fanlan Meng, Weiyi Wang, Peng Hao, Yang Xiang, Yuchuan Wang, RuiFang Han, Fang Li, Liming Wang, Xuan Li
AIMS: The purpose of this study is to investigate the impact of mesenchymal stem cell (MSC)-derived soluble factors on the function of keratocytes, with a particular focus on the processes involved in wound healing, including keratocyte activation, migration and proliferation as well as extracellular matrix (ECM) synthesis. METHODS: Primary cultured rabbit keratocytes were treated with MSC-conditioned medium (MSC-CM). The paracrine factors released by bone marrow MSCs were examined by ELISA...
August 26, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28837600/recombinant-human-collagen-based-microspheres-mitigate-cardiac-conduction-slowing-induced-by-adipose-tissue-derived-stromal-cells
#14
Nicoline W Smit, Judith N Ten Sande, Mojtaba Parvizi, Shirley C M van Amersfoorth, Josée A Plantinga, Carolien A F M van Spreuwel-Goossens, Elisabeth M W M van Dongen, Pascal F H M van Dessel, Sebastianus G J M Kluijtmans, Veronique M F Meijborg, Jacques M T de Bakker, Martin C Harmsen, Ruben Coronel
BACKGROUND: Stem cell therapy to improve cardiac function after myocardial infarction is hampered by poor cell retention, while it may also increase the risk of arrhythmias by providing an arrhythmogenic substrate. We previously showed that porcine adipose tissue-derived-stromal cells (pASC) induce conduction slowing through paracrine actions, whereas rat ASC (rASC) and human ASC (hASC) induce conduction slowing by direct coupling. We postulate that biomaterial microspheres mitigate the conduction slowing influence of pASC by interacting with paracrine signaling...
2017: PloS One
https://www.readbyqxmd.com/read/28837147/doxorubicin-upregulates-cxcr4-via-mir-200c-zeb1-dependent-mechanism-in-human-cardiac-mesenchymal-progenitor-cells
#15
Sara Beji, Giuseppina Milano, Alessandro Scopece, Lucia Cicchillitti, Chiara Cencioni, Mario Picozza, Yuri D'Alessandra, Sarah Pizzolato, Matteo Bertolotti, Gabriella Spaltro, Angela Raucci, Giulia Piaggio, Giulio Pompilio, Maurizio C Capogrossi, Daniele Avitabile, Alessandra Magenta, Elisa Gambini
Doxorubicin (DOXO) treatment is limited by its cardiotoxicity, since it causes cardiac-progenitor-cell depletion. Although the cardioprotective role of the stromal cell-derived factor-1/C-X-C chemokine receptor type 4 (SDF1/CXCR4) axis is well established, its involvement during DOXO-induced cardiotoxicity has never been investigated. We showed that in a mouse model of DOXO-induced cardiomyopathy, CXCR4(+) cells were increased in response to DOXO, mainly in human cardiac mesenchymal progenitor cells (CmPC), a subpopulation with regenerative potential...
August 24, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28835892/adipose-extracellular-matrix-stromal-vascular-fraction-gel-secretes-angiogenic-factors-and-enhances-skin-wound-healing-in-a-murine-model
#16
Mingliang Sun, Yunfan He, Tao Zhou, Pan Zhang, Jianhua Gao, Feng Lu
Mesenchymal stem cells are an attractive cell type for cytotherapy in wound healing. The authors recently developed a novel, adipose-tissue-derived, injectable extracellular matrix/stromal vascular fraction gel (ECM/SVF-gel) for stem cell therapy. This study was designed to assess the therapeutic effects of ECM/SVF-gel on wound healing and potential mechanisms. ECM/SVF-gel was prepared for use in nude mouse excisional wound healing model. An SVF cell suspension and phosphate-buffered saline injection served as the control...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28835141/transplantation-of-stromal-derived-factor-1%C3%AE-and-basic-fibroblast-growth-factor-primed-insulin-producing-cells-reverses-hyperglycaemia-in-diabetic-rats
#17
Muhammad Sohail Anjum, Azra Mehmood, Muhammad Ali, Hira Butt, Shaheen N Khan, Sheikh Riazuddin
The defective insulin production is associated with severely reduced islet cell mass leading to diabetes. Growth factors preconditioned stem cells have arisen as an effective therapy to treat many diseases including diabetes. The current study was designed to assess the effect of pretreatment of ASCs derived IPCs with combination of stromal cell derived factor 1 alpha (SDF1α) and basic fibroblast growth factor (bFGF) in improving glucose tolerance in streptozotocin induced diabetic rats. The results showed maximally significant reduction in hyperglycaemia and fibrosis, while up-regulation of survival and pancreas-specific genes, insulin levels and homing of transplanted cells in SDF-1α + bFGF IPCs transplanted rats as compared with other groups...
August 24, 2017: Growth Factors
https://www.readbyqxmd.com/read/28815768/micro-vesicles-derived-from-human-wharton-s-jelly-mesenchymal-stromal-cells-mitigate-renal-ischemia-reperfusion-injury-in-rats-after-cardiac-death-renal-transplantation
#18
Xiaoqiang Wu, Tianzhong Yan, Zhiwei Wang, Xuan Wu, Guanghui Cao, Chan Zhang, Xiangyong Tian, Junpeng Wang
The purpose of the present study was to investigate the possible therapeutic effects of the human Wharton-Jelly mesenchymal stromal cells derived micro-vesicles (hWJMSCs-MVs) on renal ischemia-reperfusion injury (IRI) after cardiac death (CD) renal transplantation in rats. MVs were injected intravenously in rats immediately after renal transplantation. The animals were sacrificed at 24 h, 48 h, 1 and 2 weeks post-transplantation. ELISA was used to determine the von Willebrand Factor (vWF), tumor necrosis factor (TNF)-α, and interleukin (IL)-10 levels in the serum...
August 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28811575/biological-and-functional-characterization-of-bone-marrow-derived-mesenchymal-stromal-cells-from-patients-affected-by-primary-immunodeficiency
#19
Nadia Starc, Daniela Ingo, Antonella Conforti, Valeria Rossella, Luigi Tomao, Angela Pitisci, Fabiola De Mattia, Immacolata Brigida, Mattia Algeri, Mauro Montanari, Giuseppe Palumbo, Pietro Merli, Paolo Rossi, Alessandro Aiuti, Franco Locatelli, Maria Ester Bernardo
Mesenchymal stromal cells (MSCs) represent a key component of bone marrow (BM) microenvironment and display immune-regulatory properties. We performed a detailed analysis of biological/functional properties of BM-MSCs derived from 33 pediatric patients affected by primary immune-deficiencies (PID-MSCs): 7 Chronic Granulomatous Disease (CGD), 15 Wiskott-Aldrich Syndrome (WAS), 11 Severe Combined Immunodeficiency (SCID). Results were compared with MSCs from 15 age-matched pediatric healthy-donors (HD-MSCs). Clonogenic and proliferative capacity, differentiation ability, immunophenotype, immunomodulatory properties were analyzed...
August 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807596/the-role-of-angiotensin-ii-in-parietal-epithelial-cell-proliferation-and-crescent-formation-in-glomerular-diseases
#20
Paola Rizzo, Rubina Novelli, Cinzia Rota, Elena Gagliardini, Barbara Ruggiero, Daniela Rottoli, Ariela Benigni, Giuseppe Remuzzi
Crescentic glomerulonephritis (GN) is a devastating disease with rapidly progressive deterioration in kidney function, which, histologically, manifests as crescent formation in most glomeruli. We previously found that crescents derive from the aberrant proliferation and migration of parietal epithelial cells (PECs)/progenitor cells, and that the angiotensin (ang) II/ang II type-1 (AT1) receptor pathway may participate, together with the stromal cell-derived factor-1 (SDF-1)/C-X-C chemokine receptor 4 axis, in the development of those lesions...
August 12, 2017: American Journal of Pathology
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