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https://www.readbyqxmd.com/read/29191392/cold-atmospheric-plasma-cap-activates-angiogenesis-related-molecules-in-skin-keratinocytes-fibroblasts-and-endothelial-cells-and-improves-wound-angiogenesis-in-an-autocrine-and-paracrine-mode
#1
Stephanie Arndt, Petra Unger, Mark Berneburg, Anja-Katrin Bosserhoff, Sigrid Karrer
BACKGROUND: Cold atmospheric plasma (CAP) emerged as a novel therapeutic field with applications developed for bacterial sterilization, wound healing and cancer treatment. For clinical implementation it is important to know how CAP works and which molecular changes occur after the CAP treatment. Vascularization is an important step during wound healing, however, the effects of CAP on wound angiogenesis are not well examined so far. Furthermore, it has not been investigated, whether CAP primarily affects endothelial cells directly or via paracrine mechanisms to modulate the vasculature...
November 26, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/29118380/delivery-of-the-gene-encoding-the-tumor-suppressor-sef-into-prostate-tumors-by-therapeutic-ultrasound-inhibits-both-tumor-angiogenesis-and-growth
#2
Sabrin Mishel, Boris Shneyer, Lina Korsensky, Orit Goldshmidt-Tran, Tom Haber, Marcelle Machluf, Dina Ron
Carcinomas constitute over 80% of all human cancer types with no effective therapy for metastatic disease. Here, we demonstrate, for the first time, the efficacy of therapeutic-ultrasound (TUS) to deliver a human tumor suppressor gene, hSef-b, to prostate tumors in vivo. Sef is downregulated in various human carcinomas, in a manner correlating with tumor aggressiveness. In vitro, hSef-b inhibited proliferation of TRAMP C2 cells and attenuated activation of ERK/MAPK and the master transcription factor NF-κB in response to FGF and IL-1/TNF, respectively...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29080298/concentration-effect-of-prostaglandin-e2-on-the-growth-factor-expression-and-cell-proliferation-in-bovine-endometrial-explants-and-their-kinetic-characteristics
#3
S Zhang, W Mao, Q Li, R Gao, Y Zhang, L Gao, C Fu, J Wu, Y Deng, Y Shen, T Li, B Liu, J Cao
Bovine endometrium undergoes various physiological and histological changes that are necessary for blastocyst implantation during oestrous cycle. From pro-oestrus to late-oestrus, endometrium thickens gradually for implantation preparation and exhibits remarkable capacity for self-repair after uterine lining shedding while implantation does not occur. The prostaglandin E2 (PGE2 ) secretion pattern is synchronized with endometrial growth during oestrous cycles in bovine endometrium; however, limited information is available regarding the association between PGE2 secretion and endometrial growth...
October 28, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/28940204/adipose-derived-mesenchymal-stromal-cells-prevented-rat-vocal-fold-scarring
#4
Tsuyoshi Morisaki, Yo Kishimoto, Ichiro Tateya, Yoshitaka Kawai, Ryo Suzuki, Takuya Tsuji, Nao Hiwatashi, Tatsuo Nakamura, Koichi Omori, Hiroya Kitano, Hiromi Takeuchi, Shigeru Hirano
OBJECTIVES/HYPOTHESIS: This study aimed to reveal the effects of adipose-derived mesenchymal stromal cells (ASCs) on prevention of vocal fold scarring by investigating how the immediate ASCs transplantation into the injured rat vocal fold affect the levels of gene transcription and translation. STUDY DESIGN: Prospective animal experiments with controls. METHODS: ASCs harvested from green fluorescent protein transgenic rat (ASCs group) or saline (sham group) were injected into the thyroarytenoid muscle of Sprague-Dawley rats immediately after stripping the vocal fold...
September 20, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28928847/anti-angiogenic-effect-of-arsenic-trioxide-in-lung-cancer-via-inhibition-of-endothelial-cell-migration-proliferation-and-tube-formation
#5
Meng-Hang Yang, Ke-Jie Chang, Jin-Cheng Zheng, Hai Huang, Guang-Yuan Sun, Xue-Wei Zhao, Bing Li, Qing-Yu Xiu
Arsenic trioxide (As2O3) exhibits a remarkable effect on leukemia treatment; however, its effect on solid tumors remains poorly explored. The present study demonstrated the inhibitory effect of As2O3 on lung cancer and explored its possible mechanism. It was observed that As2O3 significantly inhibited the growth of lung cancer xenografts and tumor angiogenesis in vivo. The inhibitory effect of As2O3 on cell proliferation in vitro was more remarkable in vascular endothelial cells than in lung cancer cells. It was also observed that As2O3 inhibited the migration of vascular endothelial cells and disrupted vascular tube formation on Matrigel assays...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28922541/effects-of-collagen-peptides-intake-on-skin-ageing-and-platelet-release-in-chronologically-aged-mice-revealed-by-cytokine-array-analysis
#6
Hongdong Song, Ling Zhang, Yongkang Luo, Siqi Zhang, Bo Li
Action mechanisms underlying various biological activities of collagen peptides (CPs) remained to be elucidated. Cytokines may play an important role in mediating these health benefits of CPs. This study aimed to systemically examine the cytokines in skin and blood regulated by CPs intake. Thirteen-month-old female Kunming mice were administered with CPs for 2 months (0 or 400 mg/kg bodyweight/day). The cytokines in skin and plasma were analysed using a 53-cytokine array and corresponding ELISA kits. In skin, CPs intake significantly down-regulated placenta growth factor (PIGF-2), insulin-like growth factor (IGF)-binding protein (IGFBP) -2 and IGFBP-3, and up-regulated platelet factor 4 (PF4), serpin E1 and transforming growth factor (TGF)-β1 ...
September 18, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28902848/the-effect-of-hiv-infection-and-hcv-viremia-on-inflammatory-mediators-and-hepatic-injury-the-women-s-interagency-hiv-study
#7
Sheila M Keating, Jennifer L Dodge, Philip J Norris, John Heitman, Stephen J Gange, Audrey L French, Marshall J Glesby, Brian R Edlin, Patricia S Latham, Maria C Villacres, Ruth M Greenblatt, Marion G Peters
Hepatitis C virus infection induces inflammation and while it is believed that HIV co-infection enhances this response, HIV control may reduce inflammation and liver fibrosis in resolved or viremic HCV infection. Measurement of systemic biomarkers in co-infection could help define the mechanism of inflammation on fibrosis and determine if HIV control reduces liver pathology. A nested case-control study was performed to explore the relationship of systemic biomarkers of inflammation with liver fibrosis in HCV viremic and/or seropositive women with and without HIV infection...
2017: PloS One
https://www.readbyqxmd.com/read/28810065/olodaterol-shows-anti-fibrotic-efficacy-in-in-vitro-and-in-vivo-models-of-pulmonary-fibrosis
#8
Franziska Elena Herrmann, Lutz Wollin, Johannes Wirth, Florian Gantner, Bärbel Lämmle, Eva Wex
BACKGROUND AND PURPOSE: Idiopathic pulmonary fibrosis (IPF) is a fatal respiratory disease characterized by excessive fibroblast activation ultimately leading to scarring of the lungs. Although, the activation of β2 -adrenoceptors (β2 -AR) has been shown to inhibit pro-fibrotic events primarily in cell lines, the role of β2 -adrenoceptor agonists has not yet been fully characterized. The aim of our study was to explore the anti-fibrotic activity of the long-acting β2 -adrenoceptor agonist olodaterol in primary human lung fibroblasts (HLF) and in murine models of pulmonary fibrosis...
November 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28797724/the-effect-of-newly-synthesized-progesterone-derivatives-on-apoptotic-and-angiogenic-pathway-in-mcf-7-breast-cancer-cells
#9
Shaymaa M M Yahya, Abdou O Abdelhamid, Mervat M Abd-Elhalim, Ghada H Elsayed, Emad F Eskander
Due to its high potency and selectivity, anticancer agents consisting of combined molecules have gained great interests. The current study introduces newly synthesized progesterone derivatives of promising anticancer effect. Moreover, the pro-apoptotic and anti-angiogenic effects of these compounds were studied extensively. Several thiazole, pyridine, pyrazole, thiazolopyridine and pyrazolopyridine progesterone derivatives were synthesized. The structure of the novel progesterone derivatives was elucidated and confirmed using the analytical and spectral data...
October 2017: Steroids
https://www.readbyqxmd.com/read/28745781/a-study-on-the-expression-of-fgf-21-and-nf-%C3%AE%C2%BAb-pathway-in-the-tissues-of-atherosclerotic-mice
#10
Z-C Pan, S-P Wang, T-T Ou, H Liu, J-W Ma, W-X Wang, W-Y Fang, X-K Qu, M Zhang
OBJECTIVE: To study the relationship between the expressions of fibroblast growth factor (FGF)-21 and NF-κB signal transduction pathway in the tissues of atherosclerotic mice. MATERIALS AND METHODS: A total of 40 apoE-/- male mice at 8 weeks were selected and randomly divided into 4 groups. 10 mice in group A were normally fed with diet. 10 mice in group B were fed with high-fat diet. 10 mice in group C were fed with high-fat diet + pravastatin. 10 mice in group D were fed with high-fat diet + subcutaneous injection of exogenous recombinant FGF-21 protein...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28735624/the-effect-of-prostaglandin-e2-receptor-ptger2-activation-on-growth-factor-expression-and-cell-proliferation-in-bovine-endometrial-explants
#11
Shuangyi Zhang, Bo Liu, Wei Mao, Qianru Li, Changqi Fu, Nan Zhang, Ying Zhang, Long Gao, Yuan Shen, Jinshan Cao
The domestic animal endometrium undergoes regular periods of regeneration and degeneration during cycles of oestrus and dioestrus. If blastocyst implantation occurs in the uterus, the endometrium will prepare for pregnancy by changing its pattern of development to build a connection with the embryo to nourish it. Prostaglandin E2 (PGE2) secretion synchronized with endometrial growth in these processes and could be involved in endometrial growth. One of the PGE2 receptors (PTGER2) is present in endometrium and its increased expression accompanies with endometrial growth in above processes...
July 2017: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/28626969/different-patterns-of-expression-of-cell-cycle-control-and-local-invasion-related-proteins-in-oral-squamous-cell-carcinoma-affecting-young-patients
#12
Marisol Miranda Galvis, Alan Roger Santos-Silva, Juscelino Freitas Jardim, Felipe Paiva Fonseca, Marcio A Lopes, Oslei Paes de Almeida, Clóvis A Lópes Pinto, Estela Kaminagakura, Iris Sawazaki-Calone, Paul M Speight, Luiz Paulo Kowalski
OBJECTIVES: Oral squamous cell carcinoma (OSCC) predominantly affects males in the fifth decade of life; nevertheless, an increased incidence in young patients has been reported worldwide, and the clinical and behavioral characteristics of tumors in this group are controversial, and the literature shows divergent results. PURPOSE: To investigate the clinicopathological features and prognostic significance of the immunoexpression of cell cycle and local invasion proteins in OSCC affecting young patients (≤40 years old)...
June 19, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/28540289/stem-cell-induced-biobridges-as-possible-tools-to-aid-neuroreconstruction-after-cns-injury
#13
REVIEW
Jea Y Lee, Kaya Xu, Hung Nguyen, Vivian A Guedes, Cesar V Borlongan, Sandra A Acosta
Notch-induced mesenchymal stromal cells (MSCs) mediate a distinct mechanism of repair after brain injury by forming a biobridge that facilitates biodistribution of host cells from a neurogenic niche to the area of injury. We have observed the biobridge in an area between the subventricular zone and the injured cortex using immunohistochemistry and laser capture. Cells in the biobridge express high levels of extracellular matrix metalloproteinases (MMPs), specifically MMP-9, which co-localized with a trail of MSCs graft...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28444839/age-dependent-alterations-in-osteoblast-and-osteoclast-activity-in-human-cancellous-bone
#14
Mustafa Becerikli, Henriette Jaurich, Jessica Schira, Matthias Schulte, Carmen Döbele, Christoph Wallner, Stephanie Abraham, Johannes M Wagner, Mehran Dadras, Ulrich Kneser, Marcus Lehnhardt, Björn Behr
It is assumed that the activity of osteoblasts and osteoclasts is decreased in bone tissue of aged individuals. However, detailed investigation of the molecular signature of human bone from young compared to aged individuals confirming this assumption is lacking. In this study, quantitative expression analysis of genes related to osteogenesis and osteoclastogenesis of human cancellous bone derived from the distal radius of young and aged individuals was performed. Furthermore, we additionally performed immunohistochemical stainings...
November 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28358292/pulmonary-exposure-to-metallic-nanomaterials-during-pregnancy-irreversibly-impairs-lung-development-of-the-offspring
#15
Emmanuel Paul, Marie-Laure Franco-Montoya, Erwan Paineau, Bernard Angeletti, Shamila Vibhushan, Audrey Ridoux, Arnaud Tiendrebeogo, Murielle Salome, Bernhard Hesse, Delphine Vantelon, Jérôme Rose, Florence Canouï-Poitrine, Jorge Boczkowski, Sophie Lanone, Christophe Delacourt, Jean-Claude Pairon
Due to the growing commercial applications of manufactured nanoparticles (NPs), toxicological studies on NPs, especially during the critical window of development, are of major importance. The aim of the study was to assess the impact of respiratory exposure to metallic and metal oxide NPs during pregnancy on lung development of the offspring and to determine the key parameters involved in lung alterations. Pregnant mice were exposed to weekly doses of 100 μg (total dose 300 μg) of titanium dioxide (TiO2), cerium oxide (CeO2), silver (Ag) NPs or saline solution by nonsurgical intratracheal instillation...
May 2017: Nanotoxicology
https://www.readbyqxmd.com/read/28343287/catabolic-effects-of-fgf-1-on-chondrocytes-and-its-possible-role-in-osteoarthritis
#16
Abdellatif El-Seoudi, Tarek Abd El Kader, Takashi Nishida, Takanori Eguchi, Eriko Aoyama, Masaharu Takigawa, Satoshi Kubota
Fibroblast growth factor 1 (FGF-1) is a classical member of the FGF family and is produced by chondrocytes cultured from osteoarthritic patients. Also, this growth factor was shown to bind to CCN family protein 2 (CCN2), which regenerates damaged articular cartilage and counteracts osteoarthritis (OA) in an animal model. However, the pathophysiological role of FGF-1 in cartilage has not been well investigated. In this study, we evaluated the effects of FGF-1 in vitro and its production in vivo by use of an OA model...
March 25, 2017: Journal of Cell Communication and Signaling
https://www.readbyqxmd.com/read/27893754/cyp26-enzymes-facilitate-second-heart-field-progenitor-addition-and-maintenance-of-ventricular-integrity
#17
Ariel B Rydeen, Joshua S Waxman
Although retinoic acid (RA) teratogenicity has been investigated for decades, the mechanisms underlying RA-induced outflow tract (OFT) malformations are not understood. Here, we show zebrafish embryos deficient for Cyp26a1 and Cyp26c1 enzymes, which promote RA degradation, have OFT defects resulting from two mechanisms: first, a failure of second heart field (SHF) progenitors to join the OFT, instead contributing to the pharyngeal arch arteries (PAAs), and second, a loss of first heart field (FHF) ventricular cardiomyocytes due to disrupted cell polarity and extrusion from the heart tube...
November 2016: PLoS Biology
https://www.readbyqxmd.com/read/27743199/arginine-silicate-inositol-complex-accelerates-cutaneous-wound-healing
#18
Ali Said Durmus, Mehmet Tuzcu, Oguzhan Ozdemir, Cemal Orhan, Nurhan Sahin, Ibrahim Hanifi Ozercan, James Richard Komorowski, Shakir Ali, Kazim Sahin
Arginine silicate inositol (ASI) complex is a composition of arginine, silicon, and inositol that has been shown to have beneficial effects on vascular health. This study reports the effects of an ASI ointment on wound healing in rats. A full-thickness excision wound was created by using a disposable 5 mm diameter skin punch biopsy tool. In this placebo-controlled study, the treatment group's wound areas were covered by 4 or 10 % ASI ointments twice a day for 5, 10, or 15 days. The rats were sacrificed either 5, 10, or 15 days after the wounds were created, and biopsy samples were taken for biochemical and histopathological analysis...
May 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/27671715/the-efficacy-of-fibroblast-growth-factor-for-the-treatment-of-chronic-vocal-fold-scarring-from-animal-model-to-clinical-application
#19
Myung Jin Ban, Jae Hong Park, Jae Wook Kim, Ki Nam Park, Jae Yong Lee, Hee Kyung Kim, Seung Won Lee
OBJECTIVES: This study assessed the regenerative efficacy of basic fibroblast growth factor (FGF) in a rabbit model of chronic vocal fold scarring and then confirmed its utility and safety in a prospective trial of patients with this condition. METHODS: FGF was injected three times, at 1-week intervals, into a chronic vocal fold scar created in a rabbit model. After 1 month, mRNA level of procollagen I, hyaluronic acid synthetase 2 (HAS 2), and matrix metalloproteinase 2 (MMP 2) were analyzed by real-time polymerase chain reaction...
December 2017: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/27667148/the-jak-stat3-signalling-pathway-regulated-angiogenesis-in-an-endothelial-cell-adipose-derived-stromal-cell-co-culture-3d-gel-model
#20
Changyue Xue, Jiamin Xie, Dan Zhao, Shiyu Lin, Tengfei Zhou, Sirong Shi, Xiaoru Shao, Yunfeng Lin, Bofeng Zhu, Xiaoxiao Cai
OBJECTIVES: The aim of the study was to investigate the role of the JAK/STAT3 signalling pathway in angiogenesis. MATERIALS AND METHODS: The model established in vitro, involved a 3D collagen gel being implanted with endothelial cells (ECs) from red fluorescent protein-labelled mice, and adipose-derived stromal cells (ASCs) from green fluorescent protein-labelled mice. Phenomena of angiogenesis, after treatment by the inhibitor and the activator of JAK/STAT3 pathway respectively, were observed using confocal laser scanning microscopy...
February 2017: Cell Proliferation
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