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https://www.readbyqxmd.com/read/29166712/-effects-of-endostatin-pretreatment-on-fibrosis-of-human-skin-fibroblasts-and-the-mechanisms
#1
H T Ren, Y Li, S D Wang, C M Han
Objective: To explore the effects of endostatin pretreatment on fibrosis of human skin fibroblasts and the mechanisms. Methods: Human skin fibroblasts were routinely cultured in vitro, and then the cells of passage 3 to 5 were used in the following experiments. The cells were divided into blank control, endostatin, platelet-derived growth factor-BB (PDGF-BB), endostatin+ PDGF-BB, transforming growth factor-β(1) (TGF-β(1)), and endostatin+ TGF-β(1) groups according to the random number table, with 3 wells in each group...
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29166708/-effects-of-astragalus-polysaccharide-on-cardiac-dysfunction-in-rabbits-with-severe-scald-injury
#2
L Zhong, J H Zhan, J H Luo, X Cheng
Objective: To investigate the effects of astragalus polysaccharide (AP) on cardiac dysfunction in rabbits with severe scald injury. Methods: Sixty-four New Zealand white rabbits were divided into pure scald group and AP group according to the random number table, with 32 rabbits in each group. Rabbits in the two groups were all inflicted with 30% total body surface area full-thickness scald on the back. Immediately after injury, rabbits in two groups were intraperitoneally injected with lactated Ringer's solution once for antishock...
November 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29166241/two-classes-of-secreted-synaptic-organizers-in-the-central-nervous-system
#3
Michisuke Yuzaki
Research in the last two decades has identified many synaptic organizers in the central nervous system that directly regulate the assembly of preand/ or postsynaptic molecules, such as synaptic vesicles, active zone proteins, and neurotransmitter receptors. They are classified into secreted factors and cell adhesion molecules, such as neurexins and neuroligins. Certain secreted factors are termed extracellular scaffolding proteins (ESPs) because they are components of the synaptic extracellular matrix and serve as a scaffold at the synaptic cleft...
November 20, 2017: Annual Review of Physiology
https://www.readbyqxmd.com/read/29165747/the-effect-of-rosmarinus-officinalis-and-chemotherapeutic-etoposide-on-glioblastoma-u87-mg-cell-culture
#4
Meryem Damla Özdemir, Dilek Göktürk
AIM: Glioblastoma (GBM) is the most invasive and common type of brain cancer with very poor prognosis. One of the drugs administered for GBM pharmacotherapy is etoposide (VP-16), which belongs to the topoisomerase inhibitor family. It can be used in combination with other drugs or chemicals to avoid high dose toxicities or augment its effect at lower doses. In this study we aimed to investigate whether high dose toxicities of etoposide can be overcome when used in combination with a natural compound named Rosmarinus Officinalis...
October 11, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/29165727/erratum-aucubin-protects-against-tgf%C3%AE-1-induced-cardiac-fibroblasts-activation-by-mediating-the-ampk%C3%AE-mtor-signaling-pathway
#5
Yang Xiao, Wei Chang, Qing-Qing Wu, Xiao-Han Jiang, Ming-Xia Duan, Ya-Ge Jin, Qi-Zhu Tang
No abstract text is available yet for this article.
November 17, 2017: Planta Medica
https://www.readbyqxmd.com/read/29165708/separase-prevents-genomic-instability-by-controlling-replication-fork-speed
#6
Francesco Cucco, Elisa Palumbo, Serena Camerini, Barbara D'Alessio, Valentina Quarantotti, Maria Luisa Casella, Ilaria Maria Rizzo, Dubravka Cukrov, Domenico Delia, Antonella Russo, Marco Crescenzi, Antonio Musio
Proper chromosome segregation is crucial for preserving genomic integrity, and errors in this process cause chromosome mis-segregation, which may contribute to cancer development. Sister chromatid separation is triggered by Separase, an evolutionary conserved protease that cleaves the cohesin complex, allowing the dissolution of sister chromatid cohesion. Here we provide evidence that Separase participates in genomic stability maintenance by controlling replication fork speed. We found that Separase interacted with the replication licensing factors MCM2-7, and genome-wide data showed that Separase co-localized with MCM complex and cohesin...
November 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29165637/a-controlled-study-of-the-effects-of-ferric-carboxymaltose-on-bone-and-haematinic-biomarkers-in-chronic-kidney-disease-and-pregnancy
#7
Louis L Huang, Darren Lee, Stefanie M Troster, Annette B Kent, Matthew A Roberts, Iain C Macdougall, Lawrence P McMahon
Background: Intravenous (IV) iron can modulate fibroblast growth factor 23 (FGF23) concentrations and cause transient but significant hypophosphataemia. However, it is unknown what other markers might be involved, especially in different patient groups. This study aimed to determine changes in bone and haematinic biomarkers following IV ferric carboxymaltose (FCM) and to identify risk factors for hypophosphataemia in pregnant subjects and those with chronic kidney disease (CKD). Methods: Changes in bone [serum FGF23, fractional excretion of phosphate urinary fractional excretion of phosphate (FEPi), serum phosphate and serum vitamin D derivatives] and haematinic [plasma hepcidin, serum ferritin and transferrin saturation (TSAT)] biomarkers after 1 g of IV FCM were followed in iron-deficient pregnant and CKD patients and compared with controls (estimated glomerular filtration rate > 60 mL/min/1...
November 17, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29165474/sugar-and-mineral-enriched-fraction-from-olive-mill-wastewater-for-promising-cosmeceutical-application-characterization-in-vitro-and-in-vivo-studies
#8
Maria Domenica Di Mauro, Barbara Tomasello, Roberta Carla Giardina, Sandro Dattilo, Veronica Mazzei, Fulvia Sinatra, Massimo Caruso, Nicola D'Antona, Marcella Renis
Nowadays, agro-food by-products represent a potential low-cost source of biologically active ingredients which have been paid significant attention as nutraceuticals, medicine, food and cosmetics. In a previous study we evaluated the total sugars, metals and polyphenols of olive mill wastewater (OMWW) from a Cerasuola olive cultivar. In the present work we selectively recovered a sugar and mineral enriched fraction (SMEF) from Cerasuola OMWW by a green adsorption/desorption process. The SMEF was mainly found to be composed of monosaccharides and potassium by HPLC-ELSD and ICP-MS...
November 22, 2017: Food & Function
https://www.readbyqxmd.com/read/29165406/-the-significance-of-fibroblasts-in-experimental-modeling-of-proliferative-vitreoretinopathy
#9
I P Khoroshilova-Maslova, N L Leparskaya, E A Vorotelyak, A V Vasiliev
AIM: to investigate the role of heterogeneous fibroblasts in the development of epiretinal membrane in eyes with modeled proliferative vitreoretinopathy. MATERIAL AND METHODS: The material for investigation were 6 eyes of 3 Chinchilla rabbits. Suspended fibroblasts (fibroblasts of the human skin - 200000 cells in 0.1 ml) were injected into the vitreous cavity via the pars plana. The animals were followed up for 1 month and then made out of the experiment. The eyes were enucleated and fixed in 10% neutral buffered formalin for routine histological examination...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/29165379/role-of-non-coding-rnas-in-the-etiology-of-bladder-cancer
#10
REVIEW
Caterina Gulìa, Stefano Baldassarra, Fabrizio Signore, Giuliano Rigon, Valerio Pizzuti, Marco Gaffi, Vito Briganti, Alessandro Porrello, Roberto Piergentili
According to data of the International Agency for Research on Cancer and the World Health Organization (Cancer Incidence in Five Continents, GLOBOCAN, and the World Health Organization Mortality), bladder is among the top ten body locations of cancer globally, with the highest incidence rates reported in Southern and Western Europe, North America, Northern Africa and Western Asia. Males (M) are more vulnerable to this disease than females (F), despite ample frequency variations in different countries, with a M:F ratio of 4...
November 22, 2017: Genes
https://www.readbyqxmd.com/read/29165229/na%C3%A3-ve-t-cells-are-activated-by-autologous-hcmv-infected-endothelial-cells-through-nkg2d-and-can-control-hcmv-transmission-in-vitro
#11
Narmadha Subramanian, Zeguang Wu, Frank Reister, Kerstin Laib Sampaio, Giada Frascaroli, Luka Cicin-Sain, Thomas Mertens
Apart from classical antigen-presenting cells (APCs) like dendritic cells and macrophages, there are semiprofessional APCs such as endothelial cells (ECs) and Langerhans' cells. Human cytomegalovirus (HCMV) infects a wide range of cell types including the ECs which are involved in the trafficking and homing of T cells. By investigating the interaction of naïve T cells obtained from HCMV-seronegative umbilical cord blood with autologous HCMV-infected human umbilical vein ECs (HUVECs), we could show that the activation of naïve T cells occurred after 1 day of peripheral blood mononuclear cell (PBMC) exposure to HCMV-infected HUVECs...
November 21, 2017: Journal of General Virology
https://www.readbyqxmd.com/read/29164976/ibrutinib-and-idelalisib-block-immunophenotypic-changes-associated-with-the-adhesion-and-activation-of-cll-cells-in-the-tumor-microenvironment
#12
Yandong Shen, O Giles Best, Stephen P Mulligan, Richard I Christopherson
The lymph node and bone marrow microenvironments promote the survival and proliferation of CLL cells. Defining the immunophenotype of CLL cells from the tumor microenvironment may help to better understand the mechanisms of action of current therapies and identify novel drug targets. Significant changes in the levels of 25 CD antigens were identified using the DotScan™ antibody microarray following CLL-cell culture with CD40L-expressing fibroblasts. Ibrutinib or idelalisib countered the change in expression of 11 of these antigens (CD23, CD27, CD53, CD58, CD71, CD80, CD84, CD97, CD126, CD150, and FMC7), which have known roles in cell activation and adhesion...
November 22, 2017: Leukemia & Lymphoma
https://www.readbyqxmd.com/read/29164801/improving-the-biological-function-of-decellularized-heart-valves-through-integration-of-protein-tethering-and-three-dimensional-cell-seeding-in-a-bioreactor
#13
Mehrnaz Namiri, Mohammad Kazemi Ashtiani, Saeed Abbasalizadeh, Zahra Mazidi, Elena Mahmoudi, Saman Nikeghbalian, Nasser Aghdami, Hossein Baharvand
Decellularized xenogeneic heart valves (DHVs) are promising products for valve replacement. However, the widespread clinical application of such products is limited due to the risk of immune reaction, progressive degeneration, inflammation, and calcification. Here, we have developed an optimized decellularization protocol for a xenogeneic heart valve. We improved the biological function of DHVs by protein tethering onto DHV and three-dimensional (3D) cell seeding in a bioreactor. Our results showed that heart valves treated with a Triton X-100 (TX-100) and sodium deoxycholate (SDC)-based protocol were completely cell-free, with preserved biochemical and biomechanical properties...
November 21, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29164624/suppression-of-uvb-mediated-matrix-metalloproteinase-generation-by-sorbus-commixta-twig-extract-in-human-dermal-fibroblasts
#14
Song Hua Xuan, Young Min Park, So Hyun Park, Hyo Jin Jeong, Soo Nam Park
Sorbus commixta is a traditional oriental medicinal plant that grows in East Asian countries such as Korea, Japan, and China. The twig of S. commixta has been considered valuable for centuries to treat diseases including asthma, cough, and other bronchial disorders. However, the effect of S. commixta twig extract on human skin has not been investigated well. The present study aimed at assessing the anti-photoaging effect of S. commixta twig ethanol extract (STE) on ultraviolet B (UVB)-induced matrix metalloproteinase (MMP) levels and its underlying mechanism in human dermal fibroblasts...
November 22, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/29164267/intracellular-apoptotic-pathways-a-potential-target-for-reducing-joint-damage-in-rheumatoid-arthritis
#15
REVIEW
Bonnie Williams, Anak Dharmapatni, Tania Crotti
Rheumatoid arthritis (RA) is a chronic autoimmune inflammatory disease that results in both local and systemic bone erosion, causing significant joint deformities and functional disability. The increased number of synovial fibroblasts, inflammatory cells and osteoclasts in RA is associated with reduced apoptosis in these cells. The ability to modulate the cell proliferation or death (particularly apoptosis) is recognised for its immense therapeutic potential. Identifying new therapeutics to assist in stimulating apoptosis within the synovial joints therefore may be beneficial in reducing inflammation and bone loss in RA patients...
November 21, 2017: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/29164236/posttranscriptional-regulation-of-loxl1-expression-via-alternative-splicing-and-nonsense-mediated-mrna-decay-as-an-adaptive-stress-response
#16
Daniel Berner, Matthias Zenkel, Francesca Pasutto, Ursula Hoja, Panah Liravi, Gabriele C Gusek-Schneider, Friedrich E Kruse, Johannes Schödel, Andre Reis, Ursula Schlötzer-Schrehardt
Purpose: Alternative mRNA splicing coupled to nonsense-mediated decay (NMD) is a common mRNA surveillance pathway also known to dynamically modulate gene expression in response to cellular stress. Here, we investigated the involvement of this pathway in the regulation of lysyl oxidase-like 1 (LOXL1) expression in response to pseudoexfoliation (PEX)-associated pathophysiologic factors. Methods: Transcript levels of LOXL1 isoforms were determined in ocular tissues obtained from donor eyes without and with PEX syndrome...
November 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29164209/tuning-the-cytotoxicity-of-ruthenium-ii-para-cymene-complexes-by-mono-substitution-at-a-triphenylphosphine-phenoxydiphenylphosphine-ligand
#17
Lorenzo Biancalana, Stefano Zacchini, Nicola Ferri, Maria Giovanna Lupo, Guido Pampaloni, Fabio Marchetti
The new complexes [RuCl2(η(6)-p-cymene)(κP-Ph2PR)] [R = 4-C6H4OSiMe2(t)Bu, 1; R = 4-C6H4Br, 2; R = OC([double bond, length as m-dash]O)CHCl2, 3; R = OPh, 4; R = O(2-C6H4SiMe2(t)Bu), 5] and [Ru(C2O4)(η(6)-p-cymene){κP-Ph2PO(2-C6H4(SiMe2(t)Bu))}], 6, were obtained in 83-98% yield from Ru(ii) arene precursors by three different synthetic strategies. The unprecedented phosphine Ph2P(O(2-C6H4SiMe2(t)Bu)) was synthesized in 86% yield from 2-C6H4Br(OSiMe2(t)Bu) and Ph2PCl, via intramolecular oxygen to carbon 1,3 migration of the silyl group (retro-Brook rearrangement)...
November 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29163975/on-the-descent-of-the-epididymo-testicular-unit-cryptorchidism-and-prevention-of-infertility
#18
REVIEW
Faruk Hadziselimovic
This comprehensive review provides in-depth coverage of progress made in understanding the molecular mechanisms underlying cryptorchidism, a frequent pathology first described in about 1786 by John Hunter. The first part focuses on the physiology, embryology, and histology of epididymo-testicular descent. In the last 20 years epididymo-testicular descent has become the victim of schematic drawings with an unjustified rejection of valid histological data. This part also includes discussion on the roles of gonadotropin-releasing hormone, fibroblast growth factors, Müllerian inhibiting substance, androgens, inhibin B, and insulin-like 3 in epididymo-testicular descent...
2017: Basic and Clinical Andrology
https://www.readbyqxmd.com/read/29163854/interactions-between-tgf-%C3%AE-1-canonical-wnt-%C3%AE-catenin-pathway-and-ppar-%C3%AE-in-radiation-induced-fibrosis
#19
REVIEW
Alexandre Vallée, Yves Lecarpentier, Rémy Guillevin, Jean-Noël Vallée
Radiation therapy induces DNA damage and inflammation leading to fibrosis. Fibrosis can occur 4 to 12 months after radiation therapy. This process worsens with time and years. Radiation-induced fibrosis is characterized by fibroblasts proliferation, myofibroblast differentiation, and synthesis of collagen, proteoglycans and extracellular matrix. Myofibroblasts are non-muscle cells that can contract and relax. Myofibroblasts evolve towards irreversible retraction during fibrosis process. In this review, we discussed the interplays between transforming growth factor-β1 (TGF-β1), canonical WNT/β-catenin pathway and peroxisome proliferator-activated receptor gamma (PPAR γ) in regulating the molecular mechanisms underlying the radiation-induced fibrosis, and the potential role of PPAR γ agonists...
October 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/29163687/stromal-regulation-of-prostate-cancer-cell-growth-by-mevalonate-pathway-enzymes-hmgcs1-and-hmgcr
#20
Shingo Ashida, Chiaki Kawada, Keiji Inoue
It has been suggested that the tumor microenvironment plays an important role in tumor progression, acquisition of androgen independence, and distant metastasis in prostate cancer (PC). However, little is known about the transcriptional basis of cellular interactions in the human PC microenvironment. To clarify the mechanism of PC progression and metastasis, we investigated the interaction of PC, epithelial, and stromal cells using genome-wide gene expression profiling. We hypothesized that PC cells could induce stromal cells to differentiate into so-called cancer-associated fibroblasts (CAFs), which might contribute to cancer invasion and metastasis...
December 2017: Oncology Letters
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