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https://www.readbyqxmd.com/read/29456715/protective-effect-of-vitexin-reduces-sevoflurane-induced-neuronal-apoptosis-through-hif-1%C3%AE-vegf-and-p38-mapk-signaling-pathway-in-vitro-and-in-newborn-rats
#1
Zhipai Lyu, Jing Cao, Ju Wang, Hongmei Lian
Previous studies have demonstrated that Vitexin possesses antihypertensive, anti-inflammatory and potential anticancer effects. The present study aimed to investigate whether the protective effect of vitexin protects against sevoflurane-induced neuronal apoptosis and the underlying mechanisms of this protective effect. The results demonstrated that Vitexin pretreatment significantly reduced neuronal apoptosis, and inhibited caspase-3 activity, apoptosis regulator BAX protein expression and malondialdehyde levels in sevoflurane-induced newborn rats...
March 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29456539/generation-of-human-immunosuppressive-myeloid-cell-populations-in-human-interleukin-6-transgenic-nog-mice
#2
Asami Hanazawa, Ryoji Ito, Ikumi Katano, Kenji Kawai, Motohito Goto, Hiroshi Suemizu, Yutaka Kawakami, Mamoru Ito, Takeshi Takahashi
The tumor microenvironment contains unique immune cells, termed myeloid-derived suppressor cells (MDSCs), and tumor-associated macrophages (TAMs) that suppress host anti-tumor immunity and promote tumor angiogenesis and metastasis. Although these cells are considered a key target of cancer immune therapy, in vivo animal models allowing differentiation of human immunosuppressive myeloid cells have yet to be established, hampering the development of novel cancer therapies. In this study, we established a novel humanized transgenic (Tg) mouse strain, human interleukin (hIL)-6-expressing NOG mice (NOG-hIL-6 transgenic mice)...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29455003/combinatorial-strategy-of-epigenetic-and-hormonal-therapies-a-novel-promising-approach-for-treating-advanced-prostate-cancer
#3
Tarek K Motawi, Hebatallah A Darwish, Iman Diab, Maged W Helmy, Mohamed Noureldin
AIMS: Estrogens act as key factors in prostate biology, cellular proliferation and differentiation as well as cancer development and progression. The expression of estrogen receptor (ER)-β appears to be lost during prostate cancer progression through hypermethylation mechanism. Epigenetic drugs such as 5-aza-2'-deoxycytidine (5-AZAC) and Trichostatin A (TSA) showed efficacy in restoring ERβ expression in prostate cancer cells. This study was designed to explore the potential anti-carcinogenic effects resulting from re-expressing ERβ1 using 5-AZAC and/or TSA, followed by its stimulation with Diarylpropionitrile (DPN), a selective ERβ1 agonist, in prostate cancer cell line PC-3...
February 15, 2018: Life Sciences
https://www.readbyqxmd.com/read/29454659/predicting-visual-acuity-by-using-machine-learning-in-patients-treated-for-neovascular-age-related-macular-degeneration
#4
Markus Rohm, Volker Tresp, Michael Müller, Christoph Kern, Ilja Manakov, Maximilian Weiss, Dawn A Sim, Siegfried Priglinger, Pearse A Keane, Karsten Kortuem
PURPOSE: To predict, by using machine learning, visual acuity (VA) at 3 and 12 months in patients with neovascular age-related macular degeneration (AMD) after initial upload of 3 anti-vascular endothelial growth factor (VEGF) injections. DESIGN: Database study. PARTICIPANTS: For the 3-month VA forecast, 653 patients (379 female) with 738 eyes and an average age of 74.1 years were included. The baseline VA before the first injection was 0...
February 14, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29454306/record-4-multicenter-phase-2-trial-of-second-line-everolimus-in-patients-with-metastatic-renal-cell-carcinoma-asian-versus-non-asian-population-subanalysis
#5
Lin Yang, Anna Alyasova, Dingwei Ye, Antonia Ridolfi, Luca Dezzani, Robert J Motzer
BACKGROUND: RECORD-4 assessed everolimus in patients with metastatic renal cell carcinoma (mRCC) who progressed after 1 prior anti-vascular endothelial growth factor (VEGF) or cytokine and reinforced the clinical benefit of second-line everolimus. Because of the high percentage of patients from China enrolled in RECORD-4 (41%) and some reported differences in responses to certain targeted agents between Chinese and Western patients, this subanalysis evaluated outcomes in Asian versus non-Asian patients...
February 17, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29454302/aerobic-exercise-inhibits-obesity-induced-respiratory-phenotype
#6
Jefferson Comin Jonco Aquino-Junior, BreAnne MacKenzie, Ana Roberta Almeida-Oliveira, Ana Carolina Martins, Manoel Carneiro Oliveira-Junior, Auriléa Aparecida Britto, Fernanda Magalhaes Arantes-Costa, Nilsa Regina Damaceno-Rodrigues, Elia Garcia Caldini, Ana Paula Ligeiro de Oliveira, Dioze Guadagnini, Luiz Osorio Leiria, Djalma Rabelo Ricardo, Mario Jose Abdalla Saad, Rodolfo Paula Vieira
PURPOSE: Obesity results in decreased lung function and increased inflammation. Moderate aerobic exercise (AE) reduced lung inflammation and remodeling in a variety of respiratory disease models. Therefore, this study investigated whether AE can attenuate a diet-induced obesity respiratory phenotype; including airway hyper-responsiveness (AHR), remodeling and inflammation. METHODS: Sixty C57Bl/6 male mice were distributed into four groups: control lean (CL), exercise lean (EL), obese (O) and obese exercise (OE) groups (2 sets of 7 and 8 mice per group; n = 15)...
February 14, 2018: Cytokine
https://www.readbyqxmd.com/read/29454091/anlotinib-inhibits-angiogenesis-via-suppressing-the-activation-of-vegfr2-pdgfr%C3%AE-and-fgfr1
#7
Binyan Lin, Xiuming Song, Dawei Yang, Dongsheng Bai, Yuyuan Yao, Na Lu
Tumor cells recruit vascular endothelial cells and circulating endothelial progenitor cells to form new vessels to support their own growth and metastasis. VEGF, PDGF-BB and FGF-2 are three major pro-angiogenic factors and applied to promote angiogenesis. In this research, we demonstrated that anlotinib, a potent multi-tyrosine kinases inhibitor (TKI), showed a significant inhibitory effect on VEGF/PDGF-BB/FGF-2-induced angiogenesis in vitro and in vivo. Wound healing assay, chamber directional migration assay and tube formation assay indicated that anlotinib inhibited VEGF/PDGF-BB/FGF-2-induced cell migration and formation of capillary-like tubes in endothelial cells...
February 14, 2018: Gene
https://www.readbyqxmd.com/read/29452450/-cost-comparison-of-licensed-intravitreal-therapies-for-insufficiently-anti-vegf-responding-fovea-involving-diabetic-macular-edema-in-germany
#8
Aljoscha S Neubauer, Christos Haritoglou, Michael W Ulbig
BACKGROUND: In the treatment of center-involving diabetic macular edema, despite initial therapy with an anti-VEGF compound, an insufficient response may occur. Further therapy options include a switch of anti-VEGF products or to corticosteroid implants, such as Fluocinolone acetonide or Dexamethasone. OBJECTIVES: Firstly, to investigate systematically which evidence-based study data are available describing the efficacy of in-label treatments after primary anti-VEGF treatment, secondly, to investigate which costs go along for the healthcare provider...
February 16, 2018: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/29451216/does-combined-therapy-of-curcumin-and-epigallocatechin-gallate-have-a-synergistic-neuroprotective-effect-against-spinal-cord-injury
#9
Jiri Ruzicka, Lucia Machova Urdzikova, Barbora Svobodova, Anubhav G Amin, Kristyna Karova, Jana Dubisova, Kristyna Zaviskova, Sarka Kubinova, Meic Schmidt, Meena Jhanwar-Uniyal, Pavla Jendelova
Systematic inflammatory response after spinal cord injury (SCI) is one of the factors leading to lesion development and a profound degree of functional loss. Anti-inflammatory compounds, such as curcumin and epigallocatechin gallate (EGCG) are known for their neuroprotective effects. In this study, we investigated the effect of combined therapy of curcumin and EGCG in a rat model of acute SCI induced by balloon compression. Immediately after SCI, rats received curcumin, EGCG, curcumin + EGCG or saline [daily intraperitoneal doses (curcumin, 6 mg/kg; EGCG 17 mg/kg)] and weekly intramuscular doses (curcumin, 60 mg/kg; EGCG 17 mg/kg)] for 28 days...
January 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29450400/incidence-of-ocular-hypertension-after-intravitreal-injection-of-anti-vegf-agents-in-the-treatment-of-neovascular-amd
#10
Andreea Moraru, Gabriela Pînzaru, Anca Moţoc, Dănuţ Costin, Daniel Brănişteanu
Purpose. The assessment of the incidence of ocular hypertension over a period of 1 year in patients treated with multiple intravitreal injections of anti-VEGF agents for neovascular AMD. Methods. The study comprised 58 eyes diagnosed with neovascular age-related macular degeneration and receiving PRN intravitreal treatment with anti-VEGF agents (bevacizumab or aflibercept). The follow-up period was 1 year. Intraocular pressure was measured by using the Goldmann applanation tonometry before the intravitreal injection, at 24 hours after the administration of the anti-VEGF agent and at 1 and 4 weeks...
July 2017: Romanian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29450385/the-effect-of-intravitreal-bevacizumab-in-a-rare-case-of-retinal-dystrophy-with-secondary-cystoid-macular-edema
#11
Mioara-Laura Macovei, Maria-Alexandra Nica
The authors presented a clinical case of retinitis punctate albescens in a 26-year-old female patient, with a family history of typical retinitis pigmentosa (father) and bilateral cystoid macular edema treated with anti-VEGF (bevacizumab).
April 2017: Romanian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29449267/single-cell-transcriptome-analyses-reveal-endothelial-cell-heterogeneity-in-tumors-and-changes-following-anti-angiogenic-treatment
#12
Qi Zhao, Alexandra Eichten, Asma A Parveen, Christina Adler, Ying Huang, Wei Wang, Yueming Ding, Alexander Adler, Thomas Nevins, Min Ni, Yi Wei, Gavin Thurston
Angiogenesis involves dynamic interactions between specialized endothelial tip and stalk cells that are believed to be regulated in part by VEGF and Dll4-Notch signaling. However, our understanding of this process is hampered by limited knowledge of the heterogeneity of endothelial cells and the role of different signaling pathways in specifying endothelial phenotypes. Here we characterized by single cell transcriptomics the heterogeneity of mouse endothelial cells and other stromal cells during active angiogenesis in xenograft tumors as well as from adult normal heart, following pharmacologic inhibition of VEGF and Dll4-Notch signaling...
February 15, 2018: Cancer Research
https://www.readbyqxmd.com/read/29448511/preparation-and-in-vitro-evaluation-of-elastic-nanoliposomes-for-topical-delivery-of-highly-skin-permeable-growth-factors
#13
Sang Won Choi, Min-Ho Oak, Eunyoung Yi, Hyun Jung Kim, Jin Woo Park
Percutaneous delivery of growth factors is often used to treat wounds, and for cosmetic purposes, as a way of accelerating healing and skin regeneration, respectively. However, the therapeutic effects of growth factors are diminished by their poor absorption when delivered percutaneously, in addition to their rapid degradation by proteinases. To overcome these obstacles, we constructed two skin-permeable compounds. Basic fibroblast growth factor (bFGF) and vascular endothelial growth factor-A (VEGF-A) were both genetically paired with low-molecular-weight protamine (LMWP), to yield the compounds LMWP-bFGF and LMWP-VEGF-A, respectively...
February 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29448503/construction-and-characterization-of-cell-penetrating-peptide-fused-fibroblast-growth-factor-and-vascular-endothelial-growth-factor-for-an-enhanced-percutaneous-delivery-system
#14
Sang Won Choi, Rudra Pangeni, Dai Hyun Jung, Su Jung Kim, Jin Woo Park
The exogenous administration of growth factors has been examined for treating wounds and such factors serve as cosmetic agents for skin regeneration. However, the topical application of growth factors is hampered by their limited percutaneous absorption. In this study, we genetically modified basic fibroblast growth factor (bFGF) and vascular endothelial growth factor-A (VEGF-A) using a cell-penetrating peptide to facilitate their permeation into skin and to avoid multiple steps in the chemical or physical modification of biomaterials...
February 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29446853/preclinical-characterization-of-anlotinib-a-highly-potent-and-selective-vascular-endothelial-growth-factor-receptor-2-inhibitor
#15
Chengying Xie, Xiaozhe Wan, Haitian Quan, Mingyue Zheng, Li Fu, Yun Li, Liguang Lou
Abrogating tumor angiogenesis by inhibiting vascular endothelial growth factor receptor-2 (VEGFR2) has been established as a therapeutic strategy for treating cancer. However, because of their low selectivity, most small molecule inhibitors of VEGFR2 tyrosine kinase exhibit unexpected adverse effects and limited anti-cancer efficacy. In this study, we detailed the pharmacologic properties of anlotinib, a highly potent and selective VEGFR2 inhibitor, in preclinical models. Anlotinib occupied the ATP-binding pocket of the VEGFR2 tyrosine kinase and showed high selectivity and inhibitory potency (IC 50 < 1 nM) for VEGFR2 relative to other tyrosine kinases...
February 15, 2018: Cancer Science
https://www.readbyqxmd.com/read/29446046/anti-neovascularization-effects-of-dmbt-in-age-related-macular-degeneration-by-inhibition-of-vegf-secretion-through-ros-dependent-signaling-pathway
#16
Shang Chen, Yue Zhou, Lichun Zhou, Yanhui Guan, Yu Zhang, Xiuzhen Han
Choroidal neovascularization (CNV) is the hallmark of late-staged wet age-related macular degeneration (AMD). Vascular endothelial growth factor (VEGF) is a key component in the development and progression of wet AMD. DMBT, 6,6'-bis(2,3-dimethoxybenzoyl)-α,α-D-trehalose, had been proved that it could suppress tumor angiogenesis and metastasis by inhibiting production of VEGF. But the effects of DMBT on CNV were not known. This study was to investigate effects and mechanisms of DMBT on CNV in vitro and in vivo...
February 14, 2018: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29445990/time-dependent-lxr-rxr-pathway-modulation-characterizes-capillary-remodeling-in-inflammatory-corneal-neovascularization
#17
Anthony Mukwaya, Anton Lennikov, Maria Xeroudaki, Pierfrancesco Mirabelli, Mieszko Lachota, Lasse Jensen, Beatrice Peebo, Neil Lagali
Inflammation in the normally immune-privileged cornea can initiate a pathologic angiogenic response causing vision-threatening corneal neovascularization. Inflammatory pathways, however, are numerous, complex and are activated in a time-dependent manner. Effective resolution of inflammation and associated angiogenesis in the cornea requires knowledge of these pathways and their time dependence, which has, to date, remained largely unexplored. Here, using a model of endogenous resolution of inflammation-induced corneal angiogenesis, we investigate the time dependence of inflammatory genes in effecting capillary regression and the return of corneal transparency...
February 14, 2018: Angiogenesis
https://www.readbyqxmd.com/read/29443357/low-energy-stereotactic-radiotherapy-for-treatment-of-exudative-age-related-macular-degeneration-in-a-treat-and-extend-regimen
#18
Katja Hatz, Frank Zimmermann, Dimitrios Kardamakis, Emmanouil Lazaridis, Cengiz Türksever, Jörg Binder, Alexandros Papachristofilou, Christian Prünte
BACKGROUND AND OBJECTIVE: To evaluate the effectiveness and safety of low-energy stereotactic radiotherapy (SRT) combined with anti-vascular endothelial growth factor (VEGF) treatment following a treat-and-extend regimen (TER) in wet age-related macular degeneration (AMD). PATIENTS AND METHODS: Before/after SRT, the authors compared retrospective consecutive case series of 50 patients requiring frequent anti-VEGF treatment (every 4 or 6 weeks) in wet AMD, treated with a single session of SRT and TER (same manner pre/post-SRT)...
February 1, 2018: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/29443034/subretinal-transplantation-of-human-embryonic-stem-cell-derived-retinal-pigment-epithelial-cells-into-a-large-eyed-model-of-geographic-atrophy
#19
Sandra Petrus-Reurer, Hammurabi Bartuma, Monica Aronsson, Sofie Westman, Fredrik Lanner, Anders Kvanta
Geographic atrophy (GA), the late stage of dry age-related macular degeneration is characterized by loss of the retinal pigment epithelial (RPE) layer, which leads to subsequent degeneration of vital retinal structures (e.g., photoreceptors) causing severe vision impairment. Similarly, RPE-loss and decrease in visual acuity is seen in long-term follow up of patients with advanced wet age-related macular degeneration (AMD) receiving intravitreal anti-vascular endothelial growth factor (VEGF) treatment. Therefore, on the one hand, it is fundamental to efficiently derive RPE cells from an unlimited source that could serve as replacement therapy...
January 22, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29442906/amine-functionalized-silica-nanoparticles-with-drug-and-gene-co-delivery-for-anti-angiogenesis-therapy-of-breast-cancer
#20
Xiaojin Gong, Qian Zhao, Mu Song, Feng Xue
In our study, we report on the design and characterization of a combined angiogenesis therapy for breast cancer based on well-formed amine-functionalized silica nanoparticles (SLNs). The aminefunctionalized SLNs was employed to simultaneously deliver angiostatin (ANG) plasmid and candesartan (CD) to the same cancer cell. The well-formed ANG/CD/SLNs exhibited small particle size, reasonable positive charges, excellent loading of drug and gene in vitro. Moreover, aminefunctionalized SLNs were almost no cytotoxicity...
April 1, 2018: Journal of Nanoscience and Nanotechnology
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