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https://www.readbyqxmd.com/read/29929185/spectral-domain-optical-coherence-tomography-allows-the-unification-of-clinical-decision-making-for-the-evaluation-of-choroidal-neovascularization-activity
#1
Cornelia Volz, Felix Grassmann, Roman Greslechner, David Arthur Märker, Patrick Peters, Horst Helbig, Maria-Andreea Gamulescu
PURPOSE: This prospective observational clinical study investigated the benefits of spectral domain optical coherence tomography for specialists and residents in the management of neovascular age-related macular degeneration (AMD). PROCEDURES: The study involved 49 eyes of 44 patients. Patients were advised to present for reevaluation 4 weeks after the administration of the loading dose of vascular endothelial growth factor (VEGF)-inhibitors (3 intravitreal injections every 4 weeks after diagnosis)...
June 21, 2018: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/29928966/guajadial-inhibits-nsclc-growth-and-migration-following-activation-of-the-vegf-receptor-2
#2
Yongfeng Wang, Meiling Duan, Lijiang Zhao, Ping Ma
Guajadial, one of natural dialdehyde meroterpenoids, demonstrated significant antineoplasmic activity. The present research was to investigate the inhibitory effects of guajadial by using two NSCLC cells (A549 and H1650) proliferation and migration. Western blotting was employed to explore the underlying mechanisms of VEGF receptor (VEGFR)2-mediated. This research indicated that guajadial not only inhibited endothelial cell proliferation and migration but also suppress tumor growth in human NSCLC xenograft mouse models...
June 18, 2018: Fitoterapia
https://www.readbyqxmd.com/read/29928859/inhibition-of-the-signaling-pathway-of-syndecan-1-by-synstatin-a-promising-anti-integrin-inhibitor-of-angiogenesis-and-proliferation-in-hcc-in-rats
#3
Heba A Metwaly, Amal M El-Gayar, Mamdouh M El-Shishtawy
AIM OF WORK: The study was conducted for evaluation of the antitumor activity of SSTN92-119 against HCC induced by thioacetamide in rats. METHODS: Sixty male Sprague-Dawley rats were randomized into four equal groups: Control, SSTN92-119 , HCC, and HCC + SSTN92-119 . Liver function tests were measured in serum. Liver homogenate was used for determination of: i) integrinαѴβ3 (ITGαѴβ3), insulin like growth factor-1 receptor (IGF-1R), vascular endothelial growth factor (VEGF), fibroblast growth factor-2 (FGF-2) and alpha-fetoprotein (AFP) levels by ELISA, ii) syndecan-1 (CD-138), IGF-1R and VEGF genes expressions by qRT-PCR, iii) MDA, NO, GSH concentrations and SOD activity...
June 18, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29928441/the-upregulated-expression-of-vascular-endothelial-growth-factor-in-surgically-treated-patients-with-recurrent-radioresistant-cervical-cancer-of-the-uterus
#4
Kosuke Yoshida, Shiro Suzuki, Jun Sakata, Fumi Utsumi, Kaoru Niimi, Nobuhisa Yoshikawa, Kimihiro Nishino, Kiyosumi Shibata, Fumitaka Kikkawa, Hiroaki Kajiyama
Vascular endothelial growth factor (VEGF) inhibitors have been utilized for the treatment against advanced or recurrent cervical carcinoma as a novel therapeutic modality. However, the expression level of VEGF in post-radiotherapy relapsed/persistent cervical cancer remains to be elucidated. The aim of the present study was to investigate the expression of VEGF and associated molecules using tumor samples from patients with post-radiotherapy relapsed/persistent cervical cancer. From a database of 826 patients who were treated at our institution between 2003 and 2015, eight patients with post-radiotherapy relapsed/persistent cervical cancer were identified, and 20 patients who underwent initial surgery alone were used as a control...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928412/tumor-necrosis-factor-related-apoptosis-inducing-ligand-additive-with-iodine-131-of-inhibits-non-small-cell-lung-cancer-cells-through-promoting-apoptosis
#5
Ning Yang, Shuzhan Yao, Dong Liu
Non-small-cell lung cancer (NSCLC) accounts for ~80% of human lung cancer cases and is the most common cause of cancer-associated mortality worldwide. Reports have indicated that tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and Iodine-131 (I-131) can induce tumor cell apoptosis. The purpose of the present study was to investigate the additive efficacy of TRAIL and I-131 on NSCLC cells. The present study demonstrated that additive treatment of TRAIL and I-131 (TRAIL-I-131) significantly inhibited the growth and aggressiveness of NSCLC cells compared with single TRAIL or I-131 treatment...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928404/efficacy-of-radiotherapy-on-intermediate-and-advanced-lung-cancer-and-its-effect-on-dynamic-changes-of-serum-vascular-endothelial-growth-factor-and-matrix-metalloproteinase-9
#6
Guowei Ding, Yongchao Liu, Chunmei Liang
The present study intended to investigate efficacy of radiotherapy in the treatment of intermediate and advanced stage lung cancer and the effects on serum vascular endothelial growth factor (VEGF) and matrix metalloproteinase-9 (MMP-9). Serum levels of VEGF and MMP-9 of 77 patients with intermediate or advanced lung cancer were detected before and after the treatment. At the same time, 19 healthy people were selected as the control group. Gelatin zymography was applied to measure the activity of serum MMP-9, ELISA was performed to detect the VEGF and MMP-9 levels in the peripheral blood and reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was used to measure the messenger RNA (mRNA) levels of VEGF and MMP-9 in serum...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928383/research-progress-on-common-adverse-events-caused-by-targeted-therapy-for-colorectal-cancer
#7
REVIEW
Bo Zhang, Chenyan Fang, Dehou Deng, Liang Xia
As targeted drug therapy is increasingly applied in the treatment of colon cancer, understanding and managing the adverse reactions of patients is becoming increasingly important. The present review examines the mechanisms of and adverse reactions to the most commonly used targeted drugs for colon cancer, and discusses methods of coping with these adverse reactions. Approved targeted drugs for metastatic colon cancer include monoclonal antibodies targeting vascular endothelial growth factor (VEGF), including bevacizumab, ziv-aflibercept and regorafenib, and monoclonal antibodies targeting epithelial growth factor receptor (EGFR), including cetuximab and panitumumab...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928143/mechanism-of-metastasis-suppression-by-luteolin-in-breast-cancer
#8
REVIEW
Matthew T Cook
Metastatic breast cancer is typically an extremely aggressive cancer with poor prognosis. Metastasis requires the orchestration of homeostatic factors and cellular programs, many of which are potential therapeutic targets. Luteolin (2-[3,4-dihydroxyphenyl]-5,7-dihydroxy-4-chromenone), is a naturally occurring flavonoid found in fruits and vegetables that exhibits many anticancer properties. Luteolin obstructs metastasis through both direct and indirect mechanisms. For instance, luteolin may suppress breast cancer invasion by acting as an antiangiogenic therapeutic inhibiting VEGF production and its receptor's activity...
2018: Breast Cancer: Targets and Therapy
https://www.readbyqxmd.com/read/29926659/-effects-of-coriaria-sinica-maxim-s-extract-on-microcirculation-and-oxidative-stress-of-wounds-in-rats-with-deep-second-degree-burn
#9
Ze-Hua Hu, Zhao-Fen Yu, Jin Huang, Xue-Fei Chen, De-Bin Huang
OBJECTIVE: To investigate the effects of Coriaria Sinica Maxim's extract(CSME) on microcirculation and oxidative stress of wounds in rats with deep second-degree burn. METHODS: One hundred and eighty rats were randomly divided into normal saline group(NS), white petroleum group(WPL), silver sulfadiazine group (SSD), Coriariasinica Maxim's extract group which were divided into low dose(CSME-L),middle dose(CSME-M) and high dose(CSME-H). After anesthesia with burn instrument to burn the hair removal area of rats, these wounds were confirmed by pathological results with deep second degree burns...
January 8, 2018: Chinese Journal of Applied Physiology
https://www.readbyqxmd.com/read/29926276/endothelialization-of-polycaprolactone-vascular-graft-under-the-action-of-locally-applied-vascular-endothelial-growth-factor
#10
V V Sevostyanova, L V Antonova, E A Velikanova, V G Matveeva, E O Krivkina, T V Glushkova, A V Mironov, A Yu Burago, L S Barbarash
We have previously developed a polycaprolactone (PCL) vascular graft with incorporated vascular endothelial growth factor (VEGF). Functioning of the PCL/VEGF graft in rat circulatory system over 1, 3 and 6 months after implantation into abdominal aorta was tested. Graft patency and formation of vascular wall elements were assessed histologically and by immunofluorescence staining for von Willebrand factor, CD31, CD34, and collagens I and IV and DAPI staining. Local application of VEGF promoted endothelialization and improved patency of the graft...
June 20, 2018: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29926253/salivary-levels-and-immunohistochemical-expression-of-selected-angiogenic-factors-in-benign-and-malignant-parotid-gland-tumours
#11
Katarzyna Błochowiak, Jerzy Sokalski, Ewelina Golusińska, Dorota Trzybulska, Henryk Witmanowski, Magdalena Bodnar, Andrzej Marszałek
OBJECTIVES: Angiogenesis underlies tumour growth and metastasis through hepatocyte growth factor (HGF), epithelial growth factor (EGF), and vascular endothelial growth factor (VEGF). The aim of this study was to determine the levels of VEGF, EGF, HGF, HGFR (hepatocyte growth factor receptor), and SRSF1 (serine-rich protein splicing factor-1) in patients with parotid gland tumours and in healthy controls via ELISA in parotid saliva. Immunohistochemical expression of anti-angiogenic isoform of VEGF165 b subunit, VEGFR1, VEGFR2, and microvessel density (CD34) were assessed in the tumour tissue and in the non-tumorous surrounding margins...
June 20, 2018: Clinical Oral Investigations
https://www.readbyqxmd.com/read/29925789/diabetic-retinopathy-pathophysiology-and-treatments
#12
REVIEW
Wei Wang, Amy C Y Lo
Diabetic retinopathy (DR) is the most common complication of diabetes mellitus (DM). It has long been recognized as a microvascular disease. The diagnosis of DR relies on the detection of microvascular lesions. The treatment of DR remains challenging. The advent of anti-vascular endothelial growth factor (VEGF) therapy demonstrated remarkable clinical benefits in DR patients; however, the majority of patients failed to achieve clinically-significant visual improvement. Therefore, there is an urgent need for the development of new treatments...
June 20, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29925004/full-functional-knockout-of-placental-growth-factor-by-knockin-with-an-inactive-variant-able-to-heterodimerize-with-vegf-a
#13
Ivana Apicella, Valeria Cicatiello, Dario Acampora, Valeria Tarallo, Sandro De Falco
Placental growth factor (PlGF) is a proangiogenic member of the vascular endothelial growth factor (VEGF) family playing a central role in pathological angiogenesis. PlGF-DE is a PlGF variant unable to bind vascular endothelial growth factor receptor 1 (VEGFR-1) but still able to generate heterodimer with VEGF-A. We have generated PlGF-DE knockin mice that are vital and fertile and show unaltered expression of Plgf, Vegf-a, Vegfr-1, and Vegfr-2 compared with wild-type mice. Interestingly, these mutants showed additional and remarkable angiogenesis impairment in tumor growth, hindlimb ischemia, and choroidal neovascularization compared with both PlGF knockout and wild-type mice...
June 19, 2018: Cell Reports
https://www.readbyqxmd.com/read/29924731/il-37-affects-the-occurrence-and-development-of-endometriosis-by-regulating-the-biological-behavior-of-endometrial-stromal-cells-through-multiple-signaling-pathways
#14
Jianfa Jiang, Kenan Yu, Zhaoying Jiang, Min Xue
Endometriosis (EMs) is a chronic inflammatory condition. Interleukin (IL)-37 is a member of the IL-1 family and an anti-inflammatory cytokine. This study aimed to evaluate the possible role of IL-37 in the EMs pathogenesis. We investigated the in vivo effect of IL-37 on EMs by injection with recombinant human IL-37 (rhIL-37) into EMs mice. Furthermore, we evaluated the in-vitro effects of IL-37 on proliferation, adhesion, migration, and invasiveness of endometrial stromal cells (ESCs), and explored whether Wnt/β-catenin and mitogen-activated protein kinase (MAPK) pathways were involved in this process...
June 1, 2018: Biological Chemistry
https://www.readbyqxmd.com/read/29924680/immunological-examination-of-peripheral-blood-in-patients-with-colorectal-cancer-compared-to-healthy-controls
#15
Jan Spacek, Michal Vocka, Irena Netikova, Helena Skalova, Pavel Dundr, Bohuslav Konopasek, Eva Zavadova, Petruzelka Lubos
BACKGROUND: The objective of this study was to investigate serum levels of immunosuppressive cytokines TGF beta 1 and VEGF and count of immune cells in peripheral blood in stage II and III colorectal cancer patients. METHODS: Blood samples were collected from 22 colorectal patients and 25 healthy controls before the start of treatment. All patients were examined by a clinical immunologist to exclude patients with immune disorders and autoimmune diseases. TGF beta 1 and VEGF were measured by ELISA, and anti-tumor cellular immunity cells (CD4, CD8, B cells, NK cells) were measured by flow cytometry...
June 20, 2018: Immunological Investigations
https://www.readbyqxmd.com/read/29924595/angiogenesis-and-full-thickness-wound-healing-efficiency-of-copper-doped-borate-bioactive-glass-poly-lactic-co-glycolic-acid-dressing-loaded-with-vitamin-e-in-vivo-and-in-vitro
#16
Haoran Hu, Yue Tang, Libin Pang, Cunlong Lin, Wenhai Huang, Deping Wang, Weitao Jia
There is an urgent demand for wound healing biomaterials because of the increasing frequency of traffic accidents, industrial contingencies and natural disasters. Borate bioactive glass has potential applications in bone tissue engineering and wound healing; however, its uncontrolled release runs a high risk of rapid degradation and transient biotoxicity. In this study, a novel organic-inorganic dressing of copper-doped borate bioactive glass/poly(lactic-co-glycolic acid) loaded with vitamin E (0-3.0 wt.% vitamin E) was fabricated to evaluate its efficiency for angiogenesis in cells and full-thickness skin wounds healing in rodents...
June 20, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29924305/telocytes-promote-vegf-expression-and-alleviate-ventilator-induced-lung-injury-in-mice
#17
Ruihua Ma, Pinwen Wu, Qiqing Shi, Dongli Song, Hao Fang
Mechanical ventilation (MV) is an important procedure for the treatment of patients with acute lung injury or acute respiratory distress syndrome in a clinical setting; however, MV can lead to severe complications, including ventilator-induced lung injury (VILI). Telocytes (TCs) can promote tissue repair following injury in the heart, kidneys, and other organs. The aim of this study was to investigate the role of TCs in VILI in mice and the associated mechanisms. By using in vivo studies in mice and in vitro studies in cells, we demonstrated that an airway injection of TCs can reduce the pulmonary inflammatory response and improve the lung function in mice with VILI and promote the proliferation of pulmonary vascular endothelial cells...
June 19, 2018: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29924037/factors-predicting-2-year-treatment-results-of-ranibizumab-therapy-for-polypoidal-choroidal-vasculopathy-in-eyes-with-good-baseline-visual-acuity
#18
Ryusaburo Mori, Koji Tanaka, Mitsuko Yuzawa
This study aimed to explore predictors of long-term stabilization of polypoidal choroidal vasculopathy (PCV) lesions and vision in response to injection of intravitreal ranibizumab (IVR). The treated eyes had a baseline best corrected visual acuity (BCVA) of at least 0.6 (logarithm of the minimal angle of resolution (logMAR) 0.22).We treated 45 eyes showing BCVA between 0.6 (logMAR 0.22) and 1.0 (logMAR 0), with IVR for 3 consecutive months. All eyes were confirmed to have subfoveal PCV prior to starting this treatment regimen...
June 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29923556/regulating-the-golgi-apparatus-by-co-delivery-of-a-cox-2-inhibitor-and-brefeldin-a-for-suppression-of-tumor-metastasis
#19
Ru-Yi Yu, Lei Xing, Peng-Fei Cui, Jian-Bin Qiao, Yu-Jing He, Xin Chang, Tian-Jiao Zhou, Qing-Ri Jin, Hu-Lin Jiang, Yanyu Xiao
Finding a cure for breast cancer currently remains a medical challenge in due to the failure of common treatment methods to inhibit invasion and metastasis of cancer cells, which eventually leads to recurrence of breast cancer. Many secreted proteins are overexpressed and play crucial roles in tumorigenesis and development. The Golgi apparatus is a key protein processing and secretion factory in which metastasis-associated proteins are modified, transported and secreted; thus, regulating the Golgi apparatus of tumor cells is a viable strategy to inhibit tumor metastasis...
June 20, 2018: Biomaterials Science
https://www.readbyqxmd.com/read/29923498/interactions-of-methacryloylated-gelatin-and-heparin-modulate-physico-chemical-properties-of-hydrogels-and-release-of-vascular-endothelial-growth-factor
#20
Christiane Claaßen, Alexander Southan, Jana Grübel, Günter E M Tovar, Kirsten Borchers
Gelatin hydrogels are used as tissue engineering scaffolds and systems for controlled release due to their inherent biodegradability and biocompatibility. In this study gelatin methacryloyl (-acetyl) (GM/A) with various degrees of methacryloylation (DM) and methacryl-modified heparin (HepM) were cross-linked radically via thermal-redox initiation. Investigation of gel yields (79.4%-85.8%) and equilibrium degrees of swelling (EDS; 564.8%-750.3%) by an experimental design approach suggested interaction effects between applied HepM mass-fraction and DM of gelatin...
June 20, 2018: Biomedical Materials
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