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https://www.readbyqxmd.com/read/28723848/progression-of-macular-atrophy-in-eyes-with-type-1-neovascularization-and-age-related-macular-degeneration-receiving-long-term-intravitreal-anti-vascular-endothelial-growth-factor-therapy-an-optical-coherence-tomographic-angiography-analysis
#1
Joseph G Christenbury, Nopasak Phasukkijwatana, Fatimah Gilani, K Baily Freund, SriniVas Sadda, David Sarraf
PURPOSE: To evaluate the size and location of macular atrophy in eyes with Type-1 neovascularization (NV) and age-related macular degeneration receiving chronic intravitreal anti-vascular endothelial growth factor therapy. METHODS: A retrospective review of a case series of 27 eyes with Type-1 NV and retinal pigment epithelial detachment (PED) having a minimum of 12 months follow-up was performed. Demographic information and visual acuity at baseline and the final follow-up were collected...
July 18, 2017: Retina
https://www.readbyqxmd.com/read/28721444/neovascular-glaucoma-after-proton-beam-therapy-of-choroidal-melanoma-incidence-and-risk-factors
#2
Aline I Riechardt, Daniel Pilger, Dino Cordini, Ira Seibel, Enken Gundlach, Annette Hager, Antonia M Joussen
PURPOSE: To analyze the risk factors for the development of neovascular glaucoma (NVG) of patients with choroidal melanoma after proton beam therapy (PBT). METHOD: Clinical case series, retrospective study. We evaluated 629 consecutive patients receiving proton beam therapy for the treatment of a choroidal melanoma at the oncology service at Charité, Berlin and Helmholtz-Zentrum, Berlin between 05/1998 and 11/2008 regarding the development and risk factors of NVG...
July 18, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28721006/incidence-of-outer-retinal-tubulation-in-eyes-with-choroidal-neovascularization-under-intravitreal-anti-vascular-endothelial-growth-factor-therapy-in-a-japanese-population
#3
Seiji Takagi, Michiko Mandai, Noriko Miyamoto, Akihiro Nishida, Yasuhiko Hirami, Hirofumi Uyama, Midori Yamamoto, Masayo Takahashi, Goji Tomita, Yasuo Kurimoto
PURPOSE: The purpose of this study was to investigate the occurrence of outer retinal tubulation (ORT) among patients with different types of choroidal neovascularization (CNV) over time. MATERIALS AND METHODS: In this retrospective chart review, disease type was classified as typical age-related macular degeneration (t-AMD), polypoidal choroidal vasculopathy (PCV), retinal angiomatous proliferation (RAP), or myopic CNV (mCNV). Spectral domain-optical coherence tomography (SD-OCT) images were evaluated for the appearance of ORT and subretinal fibrosis and fluid...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28718318/high-glucose-induced-endothelial-progenitor-cell-dysfunction
#4
Hongyan Kang, Xuejiao Ma, Jiajia Liu, Yubo Fan, Xiaoyan Deng
Vascular complications contribute significantly to morbidity and mortality of diabetes mellitus. The primary cause of vascular complications in diabetes mellitus is hyperglycaemia, associated with endothelial dysfunction and impaired neovascularization. Circulating endothelial progenitor cells was shown to play important roles in vascular repair and promoting neovascularization. In this review, we will demonstrate the individual effect of high glucose on endothelial progenitor cells. Endothelial progenitor cells isolated from healthy subjects exposed to high glucose conditions or endothelial progenitor cells isolated from diabetic patients exhibit reduced number of endothelial cell colony forming units, impaired abilities of differentiation, proliferation, adhesion and migration, tubulization, secretion, mobilization and homing, whereas enhanced senescence...
July 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28717319/changes-in-histopathology-and-cytokeratin-ae1-ae3-expression-in-skin-graft-with-different-time-on-indonesian-local-cats
#5
Erwin, Etriwati, Gunanti, Ekowati Handharyani, Deni Noviana
AIM: A good skin graft histopathology is followed by formation of hair follicle, sweat gland, sebaceous gland, blood vessel, lightly dense connective tissue, epidermis, and dermis layer. This research aimed to observe histopathology feature and cytokeratin AE1/AE3 expression on cat skin post skin grafting within a different period of time. MATERIALS AND METHODS: Nine male Indonesian local cats aged 1-2 years old weighing 3-4 kg were separated into three groups. First surgery created defect wound of 2 cm × 2 cm in size to whole groups...
June 2017: Veterinary World
https://www.readbyqxmd.com/read/28716586/comparison-of-three-dimensional-t1-weighted-magnetic-resonance-and-contrast-enhanced-ultrasound-plaque-images-for-severe-stenosis-of-the-cervical-carotid-artery
#6
Yasuyoshi Shimada, Kohki Oikawa, Shunrou Fujiwara, Yasushi Ogasawara, Yuiko Sato, Shinsuke Narumi, Tadayoshi Kato, Kazumasa Oura, Yasuo Terayama, Makoto Sasaki, Kentaro Fujimoto, Jun Yoshida, Kuniaki Ogasawara
BACKGROUND AND PURPOSE: Magnetic resonance (MR) and contrast-enhanced ultrasound assess characteristics and neovascularization, respectively, of the carotid plaque. The purpose of the present study was to clarify how findings of contrast-enhanced ultrasound plaque imaging are related to those of 3-dimensional (3D) fast spin echo (FSE) T1-weighted MR plaque imaging (WI) in severe stenosis (≥70%) of the cervical carotid artery. METHODS: Fifty-three patients underwent 3D FSE T1-WI and contrast-enhanced ultrasound...
July 14, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28716144/macrophage-type-2-differentiation-in-a-patient-with-laryngeal-squamous-cell-carcinoma-and-metastatic-prostate-adenocarcinoma-to-the-cervical-lymph-nodes
#7
Michael C Topf, Madalina Tuluc, Larry A Harshyne, Adam Luginbuhl
BACKGROUND: The tumor microenvironment often polarizes infiltrating macrophages towards a type 2, or M2 phenotype, that is characterized by expression of various cysteine-rich, scavenger receptors, including CD163. The primary function of M2 macrophages is to facilitate wound healing. As such, they are capable of providing metabolic support to a growing tumor, neovascularization, as well as protection from cytotoxic T cells. The tumor microenvironment contains a milieu of secreted factors and vesicles, which in certain circumstances can gain access to lymphatic vessels that drain to local lymph nodes...
July 18, 2017: Journal for Immunotherapy of Cancer
https://www.readbyqxmd.com/read/28715845/apatinib-an-inhibitor-of-vascular-endothelial-growth-factor-receptor-2-suppresses-pathologic-ocular-neovascularization-in-mice
#8
Koung Li Kim, Wonhee Suh
Purpose: Vascular endothelial growth factor (VEGF) signaling via VEGF receptor 2 (VEGFR2) plays a crucial role in pathologic ocular neovascularization. In this study, we investigated the antiangiogenic effect of apatinib, a pharmacologic inhibitor of VEGFR2 tyrosine kinase, against oxygen-induced retinopathy (OIR) and laser-induced choroidal neovascularization (CNV) in mice. Methods: Western blotting and in vitro angiogenesis assays were performed using human retinal microvascular endothelial cells (HRMECs)...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28715614/intraperitoneal-administration-of-adipose-tissue-derived-stem-cells-for-the-rescue-of-retinal-degeneration-in-a-mouse-model-via-indigenous-cntf-up-regulation-by-il-6
#9
Jeong Hoon Heo, Jung Ae Yoon, Eun Kyung Ahn, Hyun Kim, Sang Hwa Urm, Chul Oh Oak, Byeng Chul Yu, Sang Joon Lee
As the world's population begins to age, retinal degeneration is an increasing problem, and various treatment modalities are being developed. However, there have been no therapies for degenerative retinal conditions that are not characterized by neovascularization. We investigated whether transplantation of mouse adipose tissue-derived stem cells (mADSC) into the intraperitoneal space has a rescue effect on NaIO3 -induced retinal degeneration in mice. In this study, mADSC transplantation recovered visual function and preserved the retinal outer layer structure compared to the control group without any integration of mADSC into the retina...
July 17, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28715590/optical-coherence-tomography-features-preceding-the-onset-of-advanced-age-related-macular-degeneration
#10
Daniela Ferrara, Rachel E Silver, Ricardo N Louzada, Eduardo A Novais, Giliann K Collins, Johanna M Seddon
Purpose: Age-related macular degeneration (AMD) is a progressive disease with multifactorial etiology. There is a need to identify clinical features that are harbingers of advanced disease. We evaluated morphologic features of the retina and choroid on optical coherence tomography (OCT) to determine if they predict progression to advanced disease. Methods: Progressors transitioned from early or intermediate AMD to advanced disease (n = 40 eyes), and were matched on baseline AMD grade and follow-up interval to nonprogressors who did not develop advanced AMD (n = 40 eyes)...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28715420/blood-vessel-tortuosity-selects-against-evolution-of-aggressive-tumor-cells-in-confined-tissue-environments-a-modeling-approach
#11
András Szabó, Roeland M H Merks
Cancer is a disease of cellular regulation, often initiated by genetic mutation within cells, and leading to a heterogeneous cell population within tissues. In the competition for nutrients and growth space within the tumors the phenotype of each cell determines its success. Selection in this process is imposed by both the microenvironment (neighboring cells, extracellular matrix, and diffusing substances), and the whole of the organism through for example the blood supply. In this view, the development of tumor cells is in close interaction with their increasingly changing environment: the more cells can change, the more their environment will change...
July 17, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28714916/targeting-of-tumor-neovasculature-with-grb-vegf121-a-novel-cytotoxic-fusion-protein
#12
REVIEW
Khalid A Mohamedali, Michael G Rosenblum
Angiogenesis is a critical process in numerous diseases, and intervention in neovascularization has therapeutic value in several disease settings, including ocular diseases, arthritis, and in tumor progression and metastatic spread. Various vascular targeting agents have been developed, including those that inhibit growth factor receptor tyrosine kinases, blocking antibodies that interfere with receptor signal transduction, and strategies that trap growth factor ligands. Limited anti-tumor efficacy studies have suggested that the targeted delivery of the human pro-apoptotic molecule Granzyme B to tumor cells has significant potential for cancer treatment...
July 17, 2017: Biomedicines
https://www.readbyqxmd.com/read/28714074/altered-metabolomic-genomic-signature-a-potential-noninvasive-biomarker-of-epilepsy
#13
Helen C Wu, Fabien Dachet, Farhad Ghoddoussi, Shruti Bagla, Darren Fuerst, Jeffrey A Stanley, Matthew P Galloway, Jeffrey A Loeb
OBJECTIVE: This study aimed to identify noninvasive biomarkers of human epilepsy that can reliably detect and localize epileptic brain regions. Having noninvasive biomarkers would greatly enhance patient diagnosis, patient monitoring, and novel therapy development. At the present time, only surgically invasive, direct brain recordings are capable of detecting these regions with precision, which severely limits the pace and scope of both clinical management and research progress in epilepsy...
July 17, 2017: Epilepsia
https://www.readbyqxmd.com/read/28714017/targeting-vegfr-and-fgfr-in-head-and-neck-squamous-cell-carcinoma-in-vitro
#14
Roman C Brands, Luise M Knierim, Francesco De Donno, Valentin Steinacker, Stefan Hartmann, Axel Seher, Alexander C Kübler, Urs D A Müller-Richter
Head and neck squamous cell carcinoma (HNSCC) is a heterogeneous disease characterized by a tumor microenvironment (TME) that overexpresses vascular endothelial growth factor receptor (VEGFR) and fibroblast growth factor receptor (FGFR), which can lead to neovascularization, tumor growth and metastasis. Therapeutic strategies inhibiting these signaling pathways might lead to innovative HNSCC treatments. Five HNSCC cell lines were characterized based on VEGFR1-3 and FGFR1-4 expression by sqRT-PCR and treated with three different tyrosine kinase inhibitors (TKIs) (nintedanib, dovitinib and pazopanib), all of which are effective against VEGFR and FGFR family members...
July 10, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28713978/bone-marrow-mesenchymal-stem-cell%C3%A2-derived-extracellular-vesicles-improve-the-survival-of-transplanted-fat-grafts
#15
He Huang, Shaoqing Feng, Wenjie Zhang, Wei Li, Peng Xu, Xiangsheng Wang, Ai Ai
Autologous fat grafting is a promising surgical technique for soft tissue augmentation, reconstruction and rejuvenation. However, it is limited by the low survival rate of the transplanted fat, due to the slow revascularization of such grafts. Previous studies have demonstrated that bone marrow mesenchymal stem cell‑derived extracellular vesicles (BMSC‑EVs) are proangiogenic. The present study aimed to investigate whether BMSC‑EVs could improve the survival of transplanted fat grafts. Extracellular vesicles were isolated from the supernatant of cultured rat bone marrow mesenchymal stem cells, and characterized by flow cytometry and scanning electron microscopy...
July 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28713590/effect-of-preoperative-intravitreal-bevacizumab-on-the-surgical-outcome-of-neovascular-glaucoma-at-different-stages
#16
Junki Kwon, Kyung Rim Sung
PURPOSE: To evaluate the effect of preoperative intravitreal bevacizumab (IVB) injection on the surgical outcome of Ahmed glaucoma valve (AGV) implantation according to the angle status in neovascular glaucoma (NVG) eyes. MATERIALS AND METHODS: This retrospective study included 70 NVG patients who underwent AGV implantation and were followed up for at least 12 months. An IVB injection before AGV implantation was administered to 45 eyes (IVB group), while it was not administered to 25 eyes (control group)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28713058/regression-of-unusual-optic-disk-neovascularization-after-adalimumab-in-a-case-of-juvenile-idiopathic-arthritis-related-uveitis
#17
Emanuela Interlandi, Loredana Latanza, Francesco Pellegrini, Carlos Pavesio
No abstract text is available yet for this article.
July 13, 2017: Journal of AAPOS: the Official Publication of the American Association for Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28712657/prevalence-of-age-related-macular-degeneration-in-europe-the-past-and-the-future
#18
Johanna M Colijn, Gabriëlle H S Buitendijk, Elena Prokofyeva, Dalila Alves, Maria L Cachulo, Anthony P Khawaja, Audrey Cougnard-Gregoire, Bénédicte M J Merle, Christina Korb, Maja G Erke, Alain Bron, Eleftherios Anastasopoulos, Magda A Meester-Smoor, Tatiana Segato, Stefano Piermarocchi, Paulus T V M de Jong, Johannes R Vingerling, Fotis Topouzis, Catherine Creuzot-Garcher, Geir Bertelsen, Norbert Pfeiffer, Astrid E Fletcher, Paul J Foster, Rufino Silva, Jean-François Korobelnik, Cécile Delcourt, Caroline C W Klaver
PURPOSE: Age-related macular degeneration (AMD) is a frequent, complex disorder in elderly of European ancestry. Risk profiles and treatment options have changed considerably over the years, which may have affected disease prevalence and outcome. We determined the prevalence of early and late AMD in Europe from 1990 to 2013 using the European Eye Epidemiology (E3) consortium, and made projections for the future. DESIGN: Meta-analysis of prevalence data. PARTICIPANTS: A total of 42 080 individuals 40 years of age and older participating in 14 population-based cohorts from 10 countries in Europe...
July 14, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28712175/corneal-complications-and-visual-impairment-in-vernal-keratoconjunctivitis-patients
#19
Abdus Salam Arif, Bushra Aaqil, Afsheen Siddiqui, Zainab Nazneen, Umer Farooq
BACKGROUND: Vernal kerato-conjunctivitis (VKC) is an infrequent but serious form of allergic conjunctivitis common in warm and humid areas where air is rich in allergens. It affects both eyes asymmetrically. Although VKC is a self-limiting disease but visions affecting corneal complications influence the quality of life in school children. The aim of this study was to list the corneal complications due to this condition and to find out the extent of visual impairment among VKC patients...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28710479/endothelial-cells-by-inactivation-of-vhl-gene-direct-angiogenesis-not-vasculogenesis-via-twist1-accumulation-associated-with-hemangioblastoma-neovascularization
#20
Ying Wang, Dan-Qi Chen, Ming-Yu Chen, Kai-Yuan Ji, De-Xuan Ma, Liang-Fu Zhou
Inactivation of the VHL tumour suppressor gene is a highly frequent genetic event in the carcinogenesis of central nervous system-(CNS) hemangioblastomas (HBs). The patterning of the similar embryonic vasculogenesis is an increasing concern in HB-neovascularization, and the classic vascular endothelial growth factor (VEGF)-mediated angiogenesis driven by VHL loss-of-function from human endothelium have been questioned. With this regard, we identify a distinct, VHL silencing-driven mechanism in which human vascular endothelial cells by means of increasing cell proliferation and decreasing cell apoptosis, is concomitant with facilitating accumulation of Twist1 protein in vascular endothelial cells in vitro...
July 14, 2017: Scientific Reports
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