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angiogenesis and fibroblast

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https://www.readbyqxmd.com/read/28816543/mir-541-5p-regulates-lung-fibrosis-by-targeting-cyclic-nucleotide-phosphodiesterase-1a
#1
Liqin Ren, Chunyan Yang, Yongfeng Dou, Renhui Zhan, Yi Sun, Yan Yu
AIM OF THE STUDY: Idiopathic pulmonary fibrosis (IPF) is a lethal human disease with short survival time and few treatment options. In this study, we aim to demonstrate that cyclic nucleotide phosphodiesterase 1A (PDE1A), a Ca2+/calmodulin-stimulating PDE family member, plays a critical role in the induction of fibrosis and angiogenesis in the lung. MATERIALS AND METHODS: To induce pulmonary damage, adult male SD rats were treated with bleomycin in a dose of 6 mg/kg body weight by a single intratracheal instillation...
August 17, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28811711/fibroblast-derived-cxcl12-sdf-1%C3%AE-promotes-cxcl6-secretion-and-co-operatively-enhances-metastatic-potential-through-the-pi3k-akt-mtor-pathway-in-colon-cancer
#2
Jia-Chi Ma, Xiao-Wen Sun, He Su, Quan Chen, Tian-Kang Guo, Yuan Li, Xiao-Chang Chen, Jin Guo, Zhen-Qiang Gong, Xiao-Dan Zhao, Jian-Bo Qi
AIM: To investigate the underlying mechanism by which CXCL12 and CXCL6 influences the metastatic potential of colon cancer and internal relation of colon cancer and stromal cells. METHODS: Western blotting was used to detect the expression of CXCL12 and CXCL6 in colon cancer cells and stromal cells. The co-operative effects of CXCL12 and CXCL6 on proliferation and invasion of colon cancer cells and human umbilical vein endothelial cells (HUVECs) were determined by enzyme-linked immunosorbent assay, and proliferation and invasion assays...
July 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28799166/the-molecular-mechanism-underlying-unconventional-secretion-of-fibroblast-growth-factor-2-from-tumor-cells
#3
REVIEW
Julia P Steringer, Walter Nickel
Fibroblast Growth Factor 2 (FGF2) is a potent cell survival factor involved in tumor induced angiogenesis. FGF2 is secreted from cells through an unconventional secretory mechanism based upon direct translocation across the plasma membrane. The molecular mechanism underlying this process depends on a surprisingly small set of trans-acting factors that are physically associated with the plasma membrane. FGF2 membrane translocation is mediated by the ability of FGF2 to oligomerize and to insert into the plasma membrane in a PI(4,5)P2 dependent manner...
August 10, 2017: Biology of the Cell
https://www.readbyqxmd.com/read/28798857/the-role-of-shear-stress-and-altered-tissue-properties-on-endothelial-to-mesenchymal-transformation-and-tumor-endothelial-cell-interaction
#4
Sara G Mina, Peter Huang, Bruce T Murray, Gretchen J Mahler
Tumor development is influenced by stromal cells in aspects including invasion, growth, angiogenesis, and metastasis. Activated fibroblasts are one group of stromal cells involved in cancer metastasis, and one source of activated fibroblasts is endothelial to mesenchymal transformation (EndMT). EndMT begins when the endothelial cells delaminate from the cell monolayer, lose cell-cell contacts, lose endothelial markers such as vascular endothelial-cadherin (VE-cadherin), gain mesenchymal markers like alpha-smooth muscle actin (α-SMA), and acquire mesenchymal cell-like properties...
July 2017: Biomicrofluidics
https://www.readbyqxmd.com/read/28793833/synergistic-therapeutic-effect-of-three-dimensional-stem-cell-clusters-and-angiopoietin-1-on-promoting-vascular-regeneration-in-ischemic-region
#5
Jungmi Kang, Jeong-Kee Yoon, Seung Ja Oh, Byung-Soo Kim, Sang-Heon Kim
Peripheral artery disease (PAD) is an ischemic disease characterized by reduced blood flow to the legs, feet, and hands. Human mesenchymal stem cells (MSCs) are an attractive cell source to treat PAD in regenerative medicine. However, in clinical applications, the use of adult stem cells has several limitations, such as low cell viability and low therapeutic efficiency. In the present study, we described an innovative method of culturing three-dimensional stem cell clusters (AngioclusterTM, AC), demonstrated the potential for ACs to differentiate into vascular cells, and assessed the synergistic effects of ACs and angiopoietin-1 (Ang-1) on angiogenesis in ischemic animal models...
August 10, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28792122/acceleration-of-fracture-healing-by-overexpression-of-basic-fibroblast-growth-factor-in-the-mesenchymal-stromal-cells
#6
Hongliang Zhang, Alexander Kot, Yu-An E Lay, Fernando A Fierro, Haiyan Chen, Nancy E Lane, Wei Yao
In this study, we engineered mesenchymal stem cells (MSCs) to over-express basic fibroblast growth factor (bFGF) and evaluated its effects on fracture healing. Adipose-derived mouse MSCs were transduced to express bFGF and green fluorescence protein (ADSC(bFGF) -GFP). Closed-femoral fractures were performed with osterix-mCherry reporter mice of both sexes. The mice received 3 × 10(5) ADSCs transfected with control vector or bFGF via intramuscular injection within or around the fracture sites. Mice were euthanized at days 7, 14, and 35 to monitor MSC engraftment, osteogenic differentiation, callus formation, and bone strength...
August 9, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28789925/hif-1%C3%AE-represses-the-expression-of-the-angiogenesis-inhibitor-thrombospondin-2
#7
Susan C MacLauchlan, Nicole E Calabro, Yan Huang, Meenakshi Krishna, Tara Bancroft, Tanuj Sharma, Jun Yu, William C Sessa, Frank Giordano, Themis R Kyriakides
Thrombospondin-2 (TSP2) is a potent inhibitor of angiogenesis whose expression is dynamically regulated following injury. In the present study, it is shown that HIF-1α represses TSP2 transcription. Specifically, in vitro studies demonstrate that the prolyl hydroxylase inhibitor DMOG or hypoxia decrease TSP2 expression in fibroblasts. This effect is shown to be via a transcriptional mechanism as hypoxia does not alter TSP2 mRNA stability and this effect requires the TSP2 promoter. In addition, the documented repressive effect of nitric oxide (NO) on TSP2 is shown to be non-canonical and involves stabilization of HIF-1α...
August 5, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/28781091/dental-pulp-stem-cells-their-potential-in-reinnervation-and-angiogenesis-by-using-scaffolds
#8
Ivo Lambrichts, Ronald B Driesen, Yörg Dillen, Pascal Gervois, Jessica Ratajczak, Tim Vangansewinkel, Esther Wolfs, Annelies Bronckaers, Petra Hilkens
Dental pulp is a highly vascularized and innervated tissue containing a heterogeneous stem cell population with multilineage differentiation potential. Current endodontic treatments focus on the preservation of the pulp tissue and the regeneration of dental pulp after pathological insults. Human dental pulp stem cells (hDPSCs) are currently investigated as stem cell-based therapy for pulp regeneration and for peripheral nerve injury in which neurons and Schwann cells display limited regenerative capacity. We have developed a neuronal differentiation protocol for hDPSCs that requires neurosphere formation before neuronal maturation...
August 3, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28771625/inhibition-of-dipeptidyl-peptidase-4-ameliorates-cardiac-ischemia-and-systolic-dysfunction-by-up-regulating-the-fgf-2-egr-1-pathway
#9
Masayoshi Suda, Ippei Shimizu, Yohko Yoshida, Yuka Hayashi, Ryutaro Ikegami, Goro Katsuumi, Takayuki Wakasugi, Yutaka Yoshida, Shujiro Okuda, Tomoyoshi Soga, Tohru Minamino
Dipeptidyl peptidase 4 inhibitors are used worldwide in the management of diabetes, but their role in the prevention or treatment of cardiovascular disorders has yet to be defined. We found that linagliptin, a DPP-4 inhibitor, suppressed capillary rarefaction in the hearts of mice with dietary obesity. Metabolomic analysis performed with capillary electrophoresis/mass spectrometry (LC-MS/MS) showed that linagliptin promoted favorable metabolic remodeling in cardiac tissue, which was characterized by high levels of citrulline and creatine...
2017: PloS One
https://www.readbyqxmd.com/read/28767742/basic-fibroblast-growth-factor-improved-angiogenesis-of-vitrified-human-ovarian-tissues-after-in-vitro-culture-and-xenotransplantation
#10
B J Kang, Y Wang, L Zhang, S W Li
BACKGROUND: Basic fibroblast growth factor is a potent angiogenic factor. OBJECTIVE: To study the concentration and in vitro culture time of bFGF that maximize the angiogenesis for transplanted human ovarian tissues. MATERIALS AND METHODS: Vitrified and rewarmed human ovarian tissues were cultured in vitro with bFGF (0, 25, 50, 100, 150 and 200 ng/ml) for different periods (1 h, 2 d, 5 d and 7 d) before transplantation. The effect of bFGF on follicle survival was studied by evaluating the pregraft group, control group (no bFGF) and bFGF-treated group...
May 2017: Cryo Letters
https://www.readbyqxmd.com/read/28765917/inhibition-of-the-growth-of-hepatocellular-carcinoma-cells-through-fibroblast-growth-factor-18-suppressed-by-mir-139
#11
Li Yang, Dian Yin, Yilang Wang, Lili Cao
Hepatocellular carcinoma (HCC) is a highly malignant tumor and one of the most common causes for human cancer-related deaths. Fibroblast growth factor 18 (FGF18) is overexpressed in many types of cancer, and is associated with cell proliferation, invasion and angiogenesis. miR-139 has recently been reported as a tumor suppressor in various types of cancer and it can regulate many tumor-related genes, however its association with FGF18 expression in HCC has not been reported and thus remains unknown. In the present study, to explore the potential regulation mechanism of miR-139 with FGF18 in HCC, HCC tissues and cell lines were used...
August 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28757565/the-pharmaceutical-device-prisma-%C3%A2-skin-promotes-in-vitro-angiogenesis-through-endothelial-to-mesenchymal-transition-during-skin-wound-healing
#12
Raffaella Belvedere, Valentina Bizzarro, Luca Parente, Francesco Petrella, Antonello Petrella
Glycosaminoglycans are polysaccharides of the extracellular matrix supporting skin wound closure. Mesoglycan is a mixture of glycosaminoglycans such as chondroitin-, dermatan-, heparan-sulfate and heparin and is the main component of Prisma(®) Skin, a pharmaceutical device developed by Mediolanum Farmaceutici S.p.a. Here, we show the in vitro effects of this device in the new vessels formation by endothelial cells, since angiogenesis represents a key moment in wound healing. We found a strong increase of migration and invasion rates of these cells treated with mesoglycan and Prisma(®) Skin which mediate the activation of the pathway triggered by CD44 receptor...
July 25, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28757066/design-synthesis-and-biological-evaluation-of-lenalidomide-derivatives-as-tumor-angiogenesis-inhibitor
#13
Shengquan Hu, Libin Yuan, Hong Yan, Zhigang Li
Lenalidomide is a type of immunomodulatory agent with anti-tumor activity by mainly expressed in the anti-angiogenesis. In order to enhance the pharmacological activity of Lenalidomide, a series of Lenalidomide derivatives were designed as tumor angiogenesis inhibitors. The potential anti-angiogenesis targets of Lenalidomide derivatives were virtual screened on Auto-Dock 4.0 by using reverse docking method. The six target proteins, such as vascular endothelial growth factor receptor, epidermal growth factor receptor, fibroblast growth factor receptor, BCR-ABL tyrosine kinase, p38 mitogen activated protein kinase and metal protein kinase, were chosen as the targets...
July 19, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28756292/anticancer-potential-of-new-steroidal-thiazolidin-4-one-derivatives-mechanisms-of-cytotoxic-action-and-effects-on-angiogenesis-in-vitro
#14
Marijana B Živković, Ivana Z Matić, Marko V Rodić, Irena T Novaković, Ana M Krivokuća, Dušan M Sladić, Natalija M Krstić
The synthesis and cytotoxic activities determination of new steroidal mono- and bis(thiazolidin-4-ones) 4a-f and 5a-f have been performed. Their anticancer action was also evaluated in comparison to previously synthesized and reported corresponding steroidal thiosemicarbazones. All compounds were obtained as stereoisomeric mixtures with different configuration (E or Z) in the hydrazone moiety at the C-3 position. After several consecutive crystallizations diastereomerically pure major (E)-isomers of mono-thiazolidin-4-ones were isolated...
July 26, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28751526/the-salivary-peptide-histatin-1-promotes-endothelial-cell-adhesion-migration-and-angiogenesis
#15
Pedro Torres, Jorge Díaz, Maximiliano Arce, Patricio Silva, Pablo Mendoza, Pablo Lois, Alfredo Molina-Berríos, Gareth I Owen, Verónica Palma, Vicente A Torres
Saliva is a key factor that contributes to the high efficiency of wound healing in the oral mucosa. This is not only attributed to physical cues but also to the presence of specific peptides in the saliva, such as histatins. Histatin-1 is a 38 aa antimicrobial peptide, highly enriched in human saliva, which has been previously reported to promote the migration of oral keratinocytes and fibroblasts in vitro However, the participation of histatin-1 in other crucial events required for wound healing, such as angiogenesis, is unknown...
July 27, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28751213/evaluation-of-dermal-wound-healing-activity-of-synthetic-peptide-svvyglr
#16
Ayako Uchinaka, Naomasa Kawaguchi, Tsuyoshi Ban, Yoshinosuke Hamada, Seiji Mori, Yoshitaka Maeno, Yoshiki Sawa, Kohzo Nagata, Hirofumi Yamamoto
SVVYGLR peptide (SV peptide) is a 7-amino-acid sequence with angiogenic properties that is derived from osteopontin in the extracellular matrix and promotes differentiation of fibroblasts to myofibroblast-like cells and the production of collagen type Ⅲ by cardiac fibroblasts. However, the effects of SV peptide on dermal cells and tissue are unknown. In this study, we evaluated the effects of this peptide in a rat model of dermal wound healing. The synthetic SV peptide was added to dermal fibroblasts or keratinocytes, and their cellular motility was evaluated...
July 24, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28750820/low-temperature-plasma-induces-angiogenic-growth-factor-via-up-regulating-hypoxia-inducible-factor-1%C3%AE-in-human-dermal-fibroblasts
#17
Hui Song Cui, So Young Joo, Dae Hoon Lee, Joo Hyang Yu, Je Hoon Jeong, June-Bum Kim, Cheong Hoon Seo
Numerous studies on the application of low temperature plasma (LTP) have produced impressive results, including antimicrobial, antitumor, and wound healing effects. Although LTP research has branched out to include medical applications, the detailed effects and working mechanisms of LTP on wound healing have not been fully investigated. Here, we investigated the potential effect of inducing growth factor after exposure to LTP and demonstrated the increased expression of angiogenic growth factor mediated by LTP-induced HIF1α expression in primary cultured human dermal fibroblasts...
July 24, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28749137/identification-of-antiangiogenic-potential-and-cellular-mechanisms-of-napyradiomycin-a1-isolated-from-the-marine-derived-streptomyces-sp-yp127
#18
Ji Sun Hwang, Geum Jin Kim, Hyun Gyu Choi, Min Cheol Kim, Dongyup Hahn, Joo-Won Nam, Sang-Jip Nam, Hak Choel Kwon, Jungwook Chin, Sung Jin Cho, Hayoung Hwang, Hyukjae Choi
Angiogenesis is the process of new blood vessel formation. Excessive angiogenesis is a critical factor in the progression of cancer, macular degeneration, and other chronic inflammatory diseases. When investigating the effects of crude extracts of cultured marine microorganisms, an extract of the cultured Streptomyces sp. YP127 strain was found to inhibit human umbilical vein endothelial cell (HUVEC) tube formation. Bioassay-guided fractionation and spectroscopic data analyses led to the identification of napyradiomycin A1 (1) as an antiangiogenic component of the extract...
July 27, 2017: Journal of Natural Products
https://www.readbyqxmd.com/read/28744158/estrogen-mediated-hemangioma-derived-stem-cells-through-estrogen-receptor-%C3%AE-for-infantile-hemangioma
#19
Ling Zhang, Hai Wei Wu, Weien Yuan, Jia Wei Zheng
BACKGROUND: Infantile hemangiomas (IHs) are the most common benign vascular tumor of infancy. They occur more frequently in female infants. The cause of hemangioma is currently unknown; however, current studies suggested the importance of estrogen (E2) signaling in hemangioma proliferation. METHODS: Hemangioma-derived stem cells (HemSCs) were cultured with estrogen for 48-72 h; the cell viability and proliferation were evaluated with the messenger RNA (mRNA) and protein expression levels of fibroblast growth factor 2 (FGF2), vascular endothelial growth factor-A (VEGF-A) and estrogen receptor-α (ER-α), by application of several in vitro assays, such as methyl thiazolyl tetrazolium (MTT), reverse transcriptase-polymerase chain reaction (RT-PCR), real-time PCR, enzyme-linked immunosorbent assay (ELISA) and Western blotting...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/28743805/ephrinb2-regulates-cardiac-fibrosis-through-modulating-the-interaction-of-stat3-and-tgf-%C3%AE-smad3-signaling
#20
Sheng-An Su, Du Yang, Yue Wu, Yao Xie, Wei Zhu, Zhejun Cai, Jian Shen, Zurong Fu, Yaping Wang, Liangliang Jia, Yidong Wang, Jian'an Wang, Meixiang Xiang
Rationale: Cardiac fibrosis is a common feature in left ventricular remodeling that leads to heart failure, regardless of the etiology. Erythropoietin-producing hepatoma interactor B2 (EphrinB2), a pivotal bidirectional signaling molecule ubiquitously expressed in mammals, is crucial in angiogenesis during development and disease progression. Recently, EphrinB2 was reported to protect kidneys from injury-induced fibrogenesis. However, its role in cardiac fibrosis remains to be clarified. Objective: We sought to determine the role of EphrinB2 in cardiac fibrosis and the underlying mechanisms during the pathological remodeling process...
July 25, 2017: Circulation Research
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