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https://www.readbyqxmd.com/read/28551902/-treatment-options-for-diabetic-macular-edema
#1
REVIEW
Efraim Berco, Daniel Rappoport, Ayala Pollack
Diabetic retinopathy (DR) is the leading cause of vision loss in people under 65 years of age. Diabetic macular edema (DME) is the most common cause of moderate visual impairment in individuals with DR. Until recently, focal or grid laser photocoagulation has been the standard of care for DME. Laser photocoagulation has been shown to stabilize vision and prevent moderate vision loss. Recent studies on the effect of anti-vascular endothelial growth factor (VEGF) substances in DME, showed resolution of the edema and visual acuity gain...
February 2017: Harefuah
https://www.readbyqxmd.com/read/28551384/cpeb4-immunohistochemical-expression-is-associated-to-prognosis-in-stage-iv-colorectal-carcinoma
#2
D Cortés-Guiral, C Pastor-Iodate, C Díaz Del Arco, L Del Puerto-Nevado, M J Fernández-Aceñero
The cytoplasmic polyadenylation element binding protein 4 (CPEB4) is a RNA binding protein and translational regulator. It has been associated with tumor growth, vascularization and invasion and with tumor progression in breast, pancreas and lung carcinomas. To the best of our knowledge only one previous report has analyzed the prognostic value of CPEB4 in an experimental model of colorectal carcinoma. We have reviewed the files of patients with stage IV colorectal carcinoma metastatic to the liver. All the patients had received chemotherapy followed by hepatic metastasis resection and subsequent resection of the colon (liver-first approach)...
May 6, 2017: Pathology, Research and Practice
https://www.readbyqxmd.com/read/28551163/therapies-for-macular-edema-associated-with-branch-retinal-vein-occlusion-a-report-by-the-american-academy-of-ophthalmology
#3
Justis P Ehlers, Stephen J Kim, Steven Yeh, Jennifer E Thorne, Prithvi Mruthyunjaya, Scott D Schoenberger, Sophie J Bakri
PURPOSE: To evaluate the available evidence on the ocular safety and efficacy of current therapeutic alternatives for the management of macular edema (ME) secondary to branch retinal vein occlusion (BRVO). METHODS: Literature searches were last conducted on January 31, 2017, in PubMed with no date restrictions and limited to articles published in English, and in the Cochrane Database without language limitations. The searches yielded 321 citations, of which 109 were reviewed in full text and 27 were deemed appropriate for inclusion in this assessment...
May 24, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28551129/quantitative-determination-of-vegf165-in-cell-culture-medium-by-aptamer-sandwich-based-chemiluminescence-assay
#4
Siwen Shan, Ziyi He, Sifeng Mao, Mingsha Jie, Linglu Yi, Jin-Ming Lin
In this work, we have developed a sensitive and selective chemiluminescence (CL) assay for vascular endothelial growth factor (VEGF165) quantitative detection based on two specific VEGF165 binding aptamers (Apt). VEGF is a predominant biomarker in cancer angiogenesis, and sensitive detection method of VEGF are highly demanded for both academic study and clinical diagnosis of multiple cancers. In our experiment, VEGF165 was captured in a sandwich structure assembled by two binding aptamers, one capture aptamer was immobilized on streptavidin-coated magnetic beads (MBs) and another VEGF-binding aptamer was labeled by biotin for further phosphatase conjunction...
August 15, 2017: Talanta
https://www.readbyqxmd.com/read/28550899/combined-effect-of-substance-p-and-curcumin-on-cutaneous-wound-healing-in-diabetic-rats
#5
Vinay Kant, Dinesh Kumar, Raju Prasad, Anu Gopal, Nitya N Pathak, Pawan Kumar, Surender K Tandan
BACKGROUND: Our earlier studies demonstrated that topically applied substance P (SP) or curcumin on excision skin wound accelerated the wound healing in streptozotocin-induced diabetic rats. In the present study, we aimed to evaluate the wound healing potential of combination of SP and curcumin in diabetic rats. MATERIALS AND METHODS: Open cutaneous excision wound was created on the back of each of the 60 diabetic rats. Wound-inflicted rats were equally divided into three groups namely, control, gel treated, and SP + curcumin treated...
May 15, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28550177/role-of-thiosulfate-in-hydrogen-sulfide-dependent-redox-signaling-in-endothelial-cells
#6
Anna Leskova, Siblile Pardue, John D Glawe, Christopher G Kevil, Xinggui Shen
Recent reports have revealed that hydrogen sulfide (H2S) exerts critical actions to promote cardiovascular homeostasis and health. Thiosulfate (S2O3(2-)) is one of the products formed during oxidative H2S metabolism, and thiosulfate has been used extensively and safely to treat calcific uremic arteriopathy in dialysis patients. Yet despite its significance, fundamental questions regarding how thiosulfate and H2S interact during redox signaling remain unanswered. In this study, we examined the effect of exogenous thiosulfate on hypoxia-induced H2S metabolite bioavailability in human umbilical vein endothelial cells (HUVECs)...
May 26, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28550041/central-nervous-system-involvement-in-acute-lymphoblastic-leukemia-is-mediated-by-vascular-endothelial-growth-factor
#7
Vera Münch, Luca Trentin, Julia Herzig, Salih Demir, Felix Seyfried, Johann M Kraus, Hans A Kestler, Rolf Köhler, Thomas F E Barth, Geertruy Te Kronnie, Klaus-Michael Debatin, Lüder H Meyer
In acute lymphoblastic leukemia (ALL), central nervous system (CNS) involvement is a major clinical concern. Despite non-detectable CNS leukemia in many cases, prophylactic CNS-directed conventional intrathecal chemotherapy is required for relapse free survival indicating subclinical CNS manifestation in most patients. However, CNS-directed therapy is associated with long-term sequelae including neurocognitive deficits and secondary neoplasms. Therefore, molecular mechanisms and pathways mediating leukemia cell entry into the CNS need to be understood in order to identify targets for prophylactic and therapeutic interventions and develop alternative CNS-directed treatment strategies...
May 26, 2017: Blood
https://www.readbyqxmd.com/read/28549966/lentivirus-mediated-inhibition-of-aqp4-accelerates-motor-function-recovery-associated-with-ngf-in-spinal-cord-contusion-rats
#8
Jianmin Chen, Xi Zeng, Shengnan Li, Zhanqiong Zhong, Xi Hu, Hongyu Xiang, Ying Rao, Lixin Zhang, Xiuya Zhou, Qingjie Xia, Tinghua Wang, Xiao Zhang
Aquaporin-4 (AQP4) is a water channel protein in spinal cord and plays a critical role in the pathophysiological process of spinal cord injury (SCI). However, little is known about the molecular mechanism of AQP4 involved in SCI. The present study was performed to investigate the possible molecules regulated by AQP4 after SCI by use of lentiviral-mediated RNA interference (RNAi). First, the motor function was evaluated by Basso, Beattie, Bresnahan (BBB) scale and the expression of AQP4 was measured by western blot, immunohistochemical staining and immunofluorescence in rats after contusion spinal cord injury (cSCI)...
May 23, 2017: Brain Research
https://www.readbyqxmd.com/read/28549848/relationship-between-visual-acuity-and-retinal-thickness-during-anti-vascular-endothelial-growth-factor-therapy-for-retinal-diseases
#9
William C Ou, David M Brown, John F Payne, Charles C Wykoff
PURPOSE: Investigate the relationship between best-corrected visual acuity (BCVA) and central retinal thickness (CRT) in eyes receiving ranibizumab for three common retinal diseases. DESIGN: Retrospective analysis of clinical trial data METHODS: Early Treatment Diabetic Retinopathy Study BCVA and spectral-domain optical coherence tomography measured CRT of 387 eyes of 345 patients enrolled in six prospective clinical trials for management of neovascular age-related macular degeneration (AMD), diabetic macular edema (DME), and retinal vein occlusion (RVO) were evaluated by Pearson correlation and linear regression...
May 23, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28549801/methanolic-extract-of-boswellia-serrata-exhibits-anti-cancer-activities-by-targeting-microsomal-prostaglandin-e-synthase-1-in-human-colon-cancer-cells
#10
Tayebe Ranjbarnejad, Massoud Saidijam, Shirin Moradkhani, Rezvan Najafi
BACKGROUND: Colorectal cancer (CRC) is the most common cancer. A proper method to reduce mortality of CRC is chemoprevention to prevent initiation and promotion of intestinal tumorgenesis. One of the promising and developing chemopreventive agents is natural compounds found in plants. Frankincense, the resin extract from the Boswellia specious, has been used in traditional and modern medicine for treating various diseases with very minimal side effects. In the current study, we investigated the anti-cancer activity of methanolic extract of Boswellia serrata (B...
May 23, 2017: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/28549248/metastatic-chromophobe-renal-cell-carcinoma-treated-with-targeted-therapies-a-renal-cross-channel-group%C3%A2-study
#11
Emeline Colomba, Gwénaël Le Teuff, Tim Eisen, Grant D Stewart, Kate Fife, James Larkin, Andrea Biondo, Lisa Pickering, Anandagopal Srinivasan, Helen Boyle, Lisa Derosa, Cora N Sternberg, Federica Recine, Christy Ralph, Carolina Saldana, Philippe Barthélémy, Jean Christophe Bernhard, Howard Gurney, Gregory Verhoest, Elodie Vauleon, Pierre Bigot, Julien Berger, Christian Pfister, Gwenaelle Gravis, Jean-Michel Rodier, Stéphane Culine, Armelle Caty, Frederic Rolland, Franck Priou, Bernard Escudier, Laurence Albiges
BACKGROUND: Treatment of non-clear cell renal cell carcinoma (RCC) remains controversial despite several recent prospective studies of targeted therapies (TT). Often Vascular Endothelial growth Factor (VEGF) and Mammalian Target of Rapamycin (mTOR) inhibitors are used, extrapolating the data from use of these agents in clear cell RCC. METHODS: We performed a retrospective data analysis within the Renal Cross Channel Group to determine metastatic chromophobe RCC (mChRCC) outcomes in the TT era...
May 23, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28549227/too-much-or-just-enough-of-a-good-thing-vascular-endothelial-growth-factor-inhibition-in-renal-cell-carcinoma
#12
Lauren C Harshman
No abstract text is available yet for this article.
June 1, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28547766/local-release-of-vegf-using-fiber-mats-enables-effective-transplantation-of-layered-cardiomyocyte-sheets
#13
Kenichi Nagase, Yuhei Nagumo, Miri Kim, Hee-Jung Kim, Hei-Won Kyung, Hye-Jin Chung, Hidekazu Sekine, Tatsuya Shimizu, Hideko Kanazawa, Teruo Okano, Seung-Jin Lee, Masayuki Yamato
Cell sheet transplantation is a key tissue engineering technology. A vascular endothelial growth factor (VEGF)-releasing fiber mat is developed for the transplantation of multilayered cardiomyocyte sheets. Poly(vinyl alcohol) fiber mats bearing poly(lactic-co-glycolic acid) nanoparticles that incorporate VEGF are fabricated using electrospinning and electrospray methods. Six-layered cardiomyocyte sheets are transplanted with a VEGF-releasing mat into athymic rats. After two weeks, these sheets produce thicker cardiomyocyte layers compared with controls lacking a VEGF-releasing mat, and incorporate larger-diameter blood vessels containing erythrocytes...
May 26, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28547570/the-effect-of-iloprost-on-cell-proliferation-and-angiogenesis-related-gene-expression-in-human-periodontal-ligament-cells
#14
Thanomsuk Jearanaiphaisarn, Teeranuch Sanharati, Prasit Pavasant, Chalida Nakalekha Limjeerajarus
Periodontal ligament is considered a rich source of mesenchymal stem cells for pulp regeneration. This study investigated the effect of iloprost, a prostacyclin analog, on cell proliferation and the expression of angiogenesis-related genes in human periodontal ligament cells (hPDLs) in vitro. The hPDLs were treated with 10(-9)-10(-6) M iloprost for 1, 6 and 24 h. Cell proliferation was determined by an MTT assay. Vascular endothelial growth factor (VEGF), alpha-1 type I collagen (COL1), and basic fibroblast growth factor (bFGF) mRNA expression were determined by semi-quantitative and qPCR...
May 25, 2017: Odontology
https://www.readbyqxmd.com/read/28546942/magnetic-nanoparticles-conjugated-with-rpe-cell-mcp-1-antibody-vegf-antibody-compounds-for-the-targeted-therapy-of-age-related-macular-degeneration-a-hypothesis
#15
Zhao-Jiang Du, Peng Li, Li Wang
Age-related macular degeneration (AMD) is the leading cause of vision loss in the elderly throughout the world. Treatment of AMD utilizing retinal pigment epithelium (RPE) transplantation represents a promising therapy. However, simplex RPE transplantation can only replace the diseased RPE cells, but has no abilities to stop the development of AMD. It has been indicated that oxidization triggers the development of AMD by inducing the dysfunction and degeneration of RPE cells, which results in the upregulation of local monocyte chemotactic protein-1 (MCP-1) expression...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28546934/foveal-thickness-reduction-after-anti-vascular-endothelial-growth-factor-treatment-in-chronic-diabetic-macular-edema
#16
Gabriel Willmann, Antonio Brunno Nepomuceno, Katharina Messias, Leticia Barroso, Ingrid U Scott, André Messias, Rodrigo Jorge
AIM: To report foveal thickness reduction in eyes with resolution of macular edema and recovery of a foveal depression after one-year of anti-vascular endothelial growth factor (anti-VEGF) therapy for center-involving diabetic macular edema (DME). METHODS: Foveal thickness was assessed with optical coherence tomography to determine the central subfield foveal thickness (CSFT) and macular volume in 42 eyes with DME (CSFT>275 µm). Evaluations also included measurement of best-corrected visual acuity (BCVA), and were performed at baseline, and upon foveal depression recovery achieved after 12 monthly intravitreal injections of either 1...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28546525/pazopanib-for-the-treatment-of-non-clear-cell-renal-cell-carcinoma-a-single-arm-open-label-multicenter-phase-ii-study
#17
Ki Sun Jung, Su Jin Lee, Se Hoon Park, Jae-Lyun Lee, Se-Hoon Lee, Jae Yun Lim, Jung Hun Kang, Suee Lee, Sun Young Rha, Kyung Hee Lee, Ho Young Kim, Ho Yeong Lim
Purpose: The optimal treatment strategy for patients with metastatic non-clear cell type renal cell carcinoma (nccRCC) remains unclear. Although several inhibitors of vascular endothelial growth factor have recently shown efficacy against nccRCC, the clinical benefit of pazopanib in nccRCC has not been analyzed. We therefore designed a single-arm, open-label, phase II study to determine the efficacy and safety of pazopanib in patients with nccRCC. Materials and Methods: Patients with locally advanced or metastatic nccRCC, except for collecting duct or sarcomatoid type, received 800mg/day of pazopanib daily until progression of disease or intolerable toxicity...
May 22, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28546150/six-year-outcomes-of-antivascular-endothelial-growth-factor-monotherapy-for-polypoidal-choroidal-vasculopathy
#18
Taiichi Hikichi
OBJECTIVE: To evaluate the 6-year outcomes of anti-VEGF (vascular endothelial growth factor) monotherapy for polypoidal choroidal vasculopathy (PCV). METHODS: The charts of 66 eyes of 66 patients with newly diagnosed, symptomatic, treatment-naive PCV were reviewed retrospectively. All patients were treated with 0.5 mg intravitreal ranibizumab (IVR) injections for 3 months followed by as-needed reinjections based on monthly examinations until 3 years after the first IVR injection...
May 25, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28546076/sirna-knockdown-of-adamts-13-modulates-endothelial-cell-angiogenesis
#19
Huiyuan Tang, Manfai Lee, Eun Ho Kim, Daniel Bishop, George M Rodgers
ADAMTS-13, a disintegrin and metalloproteinase with a thrombospondin type 1 motif, member 13, is a zinc-containing metalloprotease that cleaves von Willebrand factor (vWf). Previous publications by our laboratory have shown that ADAMTS-13 may also be involved in angiogenesis. For this study, we report the successful transient knockdown of endogenous ADAMTS-13 in human umbilical vein endothelial cells (HUVEC) via siRNA and the effects of reduced endogenous ADAMTS-13 on HUVEC angiogenesis functions. 15nM of ADAMTS-13 siRNA reduced HUVEC ADAMTS-13 protein levels by 90% after 24h incubation, whereas control siRNA did not affect endogenous ADAMTS-13 levels...
May 22, 2017: Microvascular Research
https://www.readbyqxmd.com/read/28545998/a-randomized-phase-ii-study-to-determine-the-effect-of-2-different-doses-of-aflibercept-in-patients-with-metastatic-renal-cell-carcinoma-ecog-acrin-e4805
#20
Roberto Pili, Opeyemi Jegede, Michael A Carducci, Judith Manola, David L Groteluschen, Leonard L Appleman, Glenn Liu, James C Shanks, Shaker R Dakhil, Janice Dutcher, Robert S DiPaola
BACKGROUND: Aflibercept is a recombinantly produced fusion protein that has potent anti-vascular endothelial growth factor (VEGF) activity. We tested whether aflibercept has clinical activity in clear-cell renal cell carcinoma (ccRCC). The recommended phase II dose was 4 mg/kg but several patients (pts) treated at 1 mg/kg showed prolonged progression-free survival. We therefore tested both doses in a parallel group randomized trial. PATIENTS AND METHODS: Eligible pts had histologically confirmed advanced or metastatic ccRCC and previous treatments included exposure to a VEGF receptor tyrosine kinase inhibitor...
April 26, 2017: Clinical Genitourinary Cancer
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