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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
#1
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/29928786/antitumor-perspectives-of-oleuropein-and-its-metabolite-hydroxytyrosol-recent-updates
#2
REVIEW
Muhammad Imran, Muhammad Nadeem, Syed Amir Gilani, Shaista Khan, Muhammad Wasim Sajid, Rai Muhammad Amir
Olive fruit is a significant and promising source of potential bioactive compounds such as oleuropein and hydroxytyrosol. Oleuropein is the ester of elenolic acid and 3,4-dihydroxyphenyl ethanol (HT). It is the main glycoside in olives, the degradation of which results in the formation of hydroxytyrosol in olive oil. Both plays a significant role in the reduction of coronary heart diseases and a certain type of cancers. Both olive oil phenols have an effective role counter to cell proliferation, cell growth, migration, invasion, and angiogenesis...
June 21, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29928359/increased-tumor-vascularization-is-associated-with-the-amount-of-immune-competent-pd-1-positive-cells-in-testicular-germ-cell-tumors
#3
Lukas Jennewein, Georg Bartsch, Kilian Gust, Hans-Michael Kvasnicka, Axel Haferkamp, Roman Blaheta, Michel Mittelbronn, Patrick N Harter, Jens Mani
Testicular germ cell cancer in a metastatic state is curable with a cisplatin-based first line chemotherapy. However, 10-15% of these patients are resistant to first line chemotherapy and are thus left with only palliative options. Immunotherapies and inhibition of angiogenesis used in multiple types of cancer; however, the molecular context of angiogenesis and immune checkpoints in the development and progression of testicular cancers is still unknown. Therefore, the present study performed tissue micro array based analysis of 84 patients with immunohistochemistry of programmed cell death protein 1 (PD-1), programmed cell death ligand 1 (PD-L1) and vascular endothelial growth factor receptor 2 (VEGFR2) of testicular cancer and corresponding normal appearing testis tissue, matching the results with clinical data...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29927834/role-of-thrombospondin-1-and-nuclear-factor-kappa-b-signaling-pathways-in-anti-angiogenesis-of-infantile-hemangioma
#4
Weili Xu, Suolin Li, Fengxue Yu, Yongting Zhang, Xiaofeng Yang, Wenting An, Wenbo Wang, Chi Sun
BACKGROUND: Propranolol (PRO) is the first-line drug for infantile hemangioma treatment. However, its mechanism of action remains unclear. Nuclear factor-kappa B (NF-κB) is highly expressed in tumors, directly or indirectly promoting angiogenesis. Thrombospondin-1 (TSP-1) is the most important anti-angiogenesis protein in vivo. These proteins mediate signaling pathways, probably playing an important role in hemangioma treatment. This study explored the synergistic regulation of TSP-1 and NF-κB signaling pathways in the treatment of hemangioma with PRO...
June 12, 2018: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/29927473/wnt-spectrum-vitreoretinopathy-masquerading-as-congenital-toxoplasmosis
#5
Natalia F Callaway, Audina M Berrocal
Wnt-spectrum vitreoretinopathies are a group of rare inherited disorders of retinal angiogenesis that include familial exudative vitreoretinopathy/Norrie disease and are most commonly autosomal dominant; however, they can rarely present with other inheritance patterns that are more difficult to diagnose. The authors describe a case of an uncle misdiagnosed as congenital toxoplasmosis for decades and his 2-month-old nephew presenting with bilateral retinal detachments. Genetic analysis revealed an NDP gene mutation in the child and the uncle, as well as heterozygosity of the mother confirming a Wnt-spectrum vitreoretinopathy...
June 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29927438/-pituitary-lactotroph-adenomas-resistant-to-dopamine-agonist-treatment-histological-and-immunohistochemical-characteristics
#6
N S Fedorova, A Yu Abrosimov, L K Dzeranova, E A Pigarova, I I Dedov
OBJECTIVE: To present the histological and immunohistochemical characteristics of pituitary lactotroph adenomas (PLAs) resistant to dopamine agonist treatment. SUBJECT AND METHODS: The investigators examined paraffin-embedded blocks and histological sections obtained from 19 patients (13 women, 6 men), whose median age was 29 (19, 38) years, after surgical treatment (adenomectomy) for PLAs resistant to dopamine agonist treatment. Immunohistological examination was performed using antibodies against prolactin (PRL), growth hormone (GH), thyroid-stimulating hormone (TSH), adrenocorticotropic hormone (ACTH), luteinizing hormone (LH), follicle-stimulating hormone (FSH), type 2 dopamine receptors (DR2 ), estrogen receptors-α (ERα), the proliferation marker Ki-67, and the endothelial cell marker CD34...
2018: Arkhiv Patologii
https://www.readbyqxmd.com/read/29926971/transcriptome-profiles-of-isolated-murine-achilles-tendon-proper-and-peritenon-derived-progenitor-cells
#7
Michael J Mienaltowski, Angela Cánovas, Valerie A Fates, Angela R Hampton, Monica Y Pechanec, Alma Islas-Trejo, Juan F Medrano
Progenitor cells of the tendon proper and peritenon have unique properties that could impact their utilization in tendon repair strategies. While a few markers have been found to aid in distinguishing progenitors cells from each region, there is great value in identifying more markers. In this study, we hypothesized that RNAseq could be used to improve our understanding of those markers that define these cell types. Transcriptome profiles were generated for pools of mouse Achilles tendon progenitor cells from both regions and catalogues of potential markers were generated...
June 21, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29926253/salivary-levels-and-immunohistochemical-expression-of-selected-angiogenic-factors-in-benign-and-malignant-parotid-gland-tumours
#8
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/29925938/loss-of-fezf2-promotes-malignant-progression-of-bladder-cancer-by-regulating-the-nf-%C3%AE%C2%BAb-signaling-pathway
#9
Zhaohui Chen, Lijie Zhou, Xuehan Liu, Longwang Wang, Gallina Kazobinka, Xiaoping Zhang, Teng Hou
Forebrain embryonic zinc finger 2 (Fezf2) is an evolutionarily conserved zinc finger transcription repressor. It has been reported to be a tumor suppressor; however, neither the role that Fezf2 plays in bladder cancer nor the mechanisms involved have been investigated. In this study, we showed that Fezf2 expression is downregulated in bladder cancer tissues and cell lines compared to adjacent non-tumor tissues and normal urothelial cells. We also retrospectively analyzed the association between Fezf2 and various clinicopathologic characteristics in 196 bladder cancer patients, and showed that low expression of Fezf2 is correlated with larger tumor size, advanced tumor stage, and poor clinical prognosis...
June 20, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29925934/circulating-biomarkers-during-treatment-in-patients-with-advanced-biliary-tract-cancer-receiving-cediranib-in-the-uk-abc-03-trial
#10
Alison C Backen, Andre Lopes, Harpreet Wasan, Daniel H Palmer, Marian Duggan, David Cunningham, Alan Anthoney, Pippa G Corrie, Srinivasan Madhusudan, Anthony Maraveyas, Paul J Ross, Justin S Waters, William P Steward, Charlotte Rees, Mairéad G McNamara, Sandy Beare, John A Bridgewater, Caroline Dive, Juan W Valle
BACKGROUND: Advanced biliary tract cancer (ABC) has a poor prognosis. Cediranib, in addition to cisplatin/gemcitabine [CisGem], improved the response rate, but did not improve the progression-free survival (PFS) in the ABC-03 study. Minimally invasive biomarkers predictive of cediranib benefit may improve patient outcomes. METHODS: Changes in 15 circulating plasma angiogenesis or inflammatory-related proteins and cytokeratin-18 (CK18), measured at baseline and during therapy until disease progression, were correlated with overall survival (OS) using time-varying covariate Cox models (TVC)...
June 21, 2018: British Journal of Cancer
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
#11
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/29924999/redox-regulation-of-mitochondrial-fission-protein-drp1-by-protein-disulfide-isomerase-limits-endothelial-senescence
#12
Young-Mee Kim, Seock-Won Youn, Varadarajan Sudhahar, Archita Das, Reyhaan Chandhri, Henar Cuervo Grajal, Junghun Kweon, Silvia Leanhart, Lianying He, Peter T Toth, Jan Kitajewski, Jalees Rehman, Yisang Yoon, Jaehyung Cho, Tohru Fukai, Masuko Ushio-Fukai
Mitochondrial dynamics are tightly controlled by fusion and fission, and their dysregulation and excess reactive oxygen species (ROS) contribute to endothelial cell (EC) dysfunction. How redox signals regulate coupling between mitochondrial dynamics and endothelial (dys)function remains unknown. Here, we identify protein disulfide isomerase A1 (PDIA1) as a thiol reductase for the mitochondrial fission protein Drp1. A biotin-labeled Cys-OH trapping probe and rescue experiments reveal that PDIA1 depletion in ECs induces sulfenylation of Drp1 at Cys644 , promoting mitochondrial fragmentation and ROS elevation without inducing ER stress, which drives EC senescence...
June 19, 2018: Cell Reports
https://www.readbyqxmd.com/read/29924773/-gene-mediated-induction-of-angiogenesis-in-inoperable-patients-with-atherosclerosis-and-diabetes-mellitus
#13
R E Kalinin, I A Suchkov, R V Deev, N D Mzhavanadze, A A Krylov
Analysed in the article are the results of a comprehensive approach to treatment of patients presenting with lower limb critical ischaemia and diabetes mellitus by means of gene-induced angiogenesis. The study comprised a total of 65 patients found to have an ill-suited for surgical reconstruction peripheral arterial bed and undergoing conservative therapy. The patients were divided into two groups. The Study Group patients additionally to the conventional conservative therapy received 2 intramuscular injections of therapeutic agent Neovasculgen at a course dose of 2...
2018: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
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
#14
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/29924214/effect-of-red-propolis-on-hamster-cheek-pouch-angiogenesis-in-a-new-sponge-implant-model
#15
Nayanna de Oliveira Ramos Melo, Camila de Carvalho Juanes, Mayara Freire de Alencar Alves, Emiliano Tiago Melo Silva, Francisco Vagnaldo Fechine Jamacaru, Telma Leda Gomes de Lemos, Conceição Aparecida Dornelas
PURPOSE: To evaluate the effects of red propolis on cheek pouch angiogenesis in a hamster new model sponge implant. METHODS: Forty eight animals divided into eight groups. (Groups I-IV), the animals were treated for 15 days before and 10 days after sponge implantation. (Groups V-VIII), the animals were treated for 10 days after sponge implantation (GI and GV: red propolis 100 mg/kg, GII and GVI: celecoxib 20 mg/kg, GIII and GVII: 1% gum arabic 5 mL/kg, GIV and GVIII: distilled water 5 mL/kg)...
May 2018: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29923292/a-catechol-type-resveratrol-analog-manifests-antiangiogenic-action-by-constructing-an-efficient-catalytic-redox-cycle-with-intracellular-copper-ions-and-nqo1
#16
Yi-Hua Wang, Fansg Dai, Bo Zhou
SCOPE: As part of our research project in understanding why dietary polyphenols with the catechol skeleton tend to exhibit cancer chemopreventive activity, a catechol-type resveratrol analog (3,4-DHS) was selected to probe its antiangiogenic effects and mechanisms. METHODS AND RESULTS: We examined the antiangiogenic effects of 3,4-DHS on angiogenesis-related endothelial cell functions, including migration, invasion and tube formation, and in vivo angiogenesis on a chick chorioallantoic membrane assay...
June 20, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29923200/egfl7-master-regulator-of-cancer-pathogenesis-angiogenesis-and-an-emerging-mediator-of-bone-homeostasis
#17
REVIEW
Guoju Hong, Vincent Kuek, Jiaxi Shi, Lin Zhou, Xiaorui Han, Wei He, Jennifer Tickner, Heng Qiu, Qiushi Wei, Jiake Xu
Epidermal growth factor-like domain-containing protein 7 (EGFL7), a member of the epidermal growth factor (EGF)-like protein family, is a potent angiogenic factor expressed in many different cell types. EGFL7 plays a vital role in controlling vascular angiogenesis during embryogenesis, organogenesis, and maintaining skeletal homeostasis. It regulates cellular functions by mediating the main signaling pathways (Notch, integrin) and EGF receptor cascades. Accumulating evidence suggests that Egfl7 plays a crucial role in cancer biology by modulating tumor angiogenesis, metastasis, and invasion...
June 19, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29922644/mechanisms-of-aquaporin-facilitated-cancer-invasion-and-metastasis
#18
REVIEW
Michael L De Ieso, Andrea J Yool
Cancer is a leading cause of death worldwide, and its incidence is rising with numbers expected to increase 70% in the next two decades. The fact that current mainline treatments for cancer patients are accompanied by debilitating side effects prompts a growing demand for new therapies that not only inhibit growth and proliferation of cancer cells, but also control invasion and metastasis. One class of targets gaining international attention is the aquaporins, a family of membrane-spanning water channels with diverse physiological functions and extensive tissue-specific distributions in humans...
2018: Frontiers in Chemistry
https://www.readbyqxmd.com/read/29922274/soluble-mediators-produced-by-pro-resolving-macrophages-inhibit-angiogenesis
#19
Shira Michaeli, Vivian Dakwar, Keren Weidenfeld, Ortal Granski, Odelya Gilon, Sagie Schif-Zuck, Anatolii Mamchur, Imad Shams, Dalit Barkan
Different subtypes of macrophages have been shown to participate in different stages of inflammation and tissue repair. In the late stage of tissue repair, the macrophages, following their engulfment of apoptotic neutrophils, acquire a new phenotype termed alternatively activated macrophages. These macrophages produce growth factors, such as vascular endothelial growth factor (VEGF), that facilitate the angiogenic response as part of tissue restoration. Then, in the later stages of tissue healing, capillary regression takes place...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29922218/therapeutic-values-of-human-urinary-kallidinogenase-on-cerebrovascular-diseases
#20
REVIEW
Zhenyu Wei, Yi Lyu, XiaoLi Yang, Xin Chen, Ping Zhong, Danhong Wu
The term "tissue kallikrein" is used to describe a group of serine proteases shared considerable sequence homology and colocalize in the same chromosomal locus 19q13. 2-q13.4. It has been widely discovered in various tissues and has been proved to be involved in kinds of pathophysiological processes, such as inhibiting oxidative stress, inflammation, apoptosis, fibrosis and promoting angiogenesis, and neurogenesis. Human Urinary Kallidinogenase (HUK) extracted from human urine is a member of tissue kallikrein which could convert kininogen to kinin and hence improve the plasma kinin level...
2018: Frontiers in Neurology
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