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https://www.readbyqxmd.com/read/28092822/combination-of-everolimus-with-sorafenib-for-solid-renal-tumors-in-tsc2-mice-is-superior-to-everolimus-alone
#1
Jian Yang, Paulina A Samsel, Kalin Narov, Ashley Jones, Daniel Gallacher, John Gallacher, Julian R Sampson, Ming Hong Shen
Tuberous sclerosis (TSC) is an inherited tumor syndrome caused by mutations in TSC1 or TSC2 that lead to aberrant activation of mTOR and development of tumors in multiple organs including the kidneys. The mTOR inhibitors rapamycin and everolimus (rapalogs) have demonstrated clinical efficacy in treating TSC-associated tumors including renal angiomyolipomas. However, tumor responses are usually only partial, and regrowth occurs after drug withdrawal. TSC-associated tumors are highly vascular, and TSC patients with renal angiomyolipomas have elevated levels of circulating vascular endothelial growth factor (VEGF) A and VEGFD...
January 13, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28092793/high-dilutions-of-antimony-modulate-cytokines-production-and-macrophage-leishmania-l-amazonensis-interaction-in-vitro
#2
Fabiana Rodrigues de Santana, Luciane C Dalboni, Kátia F Nascimento, Fabiana Toshie Konno, Anuska M Alvares-Saraiva, Michelle S F Correia, Maristela Dutra Correa Bomfim, Renato C V Casarin, Elizabeth C Perez, Maria Anete Lallo, Giovani B Peres, Márcia Dalastra Laurenti, Nilson R Benites, Dorly F Buchi, Leoni Villano Bonamin
BACKGROUND: In previous results mice treated with high dilutions of antimony presented reduction of monocyte migration to the site of infection with increase in B lymphocytes population in the local lymph node. AIMS: To know the mechanisms involved, a series of in vitro studies was done, using co-cultures of macrophages (RAW 264.7) and Leishmania (L.) amazonensis treated with different dilutions of antimony (Antimonium crudum or AC), in different times. METHODOLOGY: Spreading, phagocytosis, the oxidative activity of macrophages, the viability of free promastigotes and the cytokines/chemokines concentration in the supernatant were evaluated...
January 13, 2017: Cytokine
https://www.readbyqxmd.com/read/28091613/adrenomedullin-promotes-angiogenesis-in-epithelial-ovarian-cancer-through-upregulating-hypoxia-inducible-factor-1%C3%AE-and-vascular-endothelial-growth-factor
#3
Yi Zhang, Yang Xu, Jian Ma, Xiaoyan Pang, Mei Dong
Adrenomedullin (ADM) is a multi-functional peptide related to many kinds of tumors. This study was aimed to investigate the role of ADM on angiogenesis in epithelial ovarian cancer (EOC) and its possible mechanism. The expressions of ADM, vascular endothelial growth factor (VEGF), hypoxia-inducible factor-1α (HIF-1α) and CD34 were examined by immunohistochemistry staining. The relationship among ADM, HIF-1α, VEGF and micro-vessel density (MVD) was assessed in 56 EOC tissues. CAOV3 cells were stably transfected with pcDNA-ADM (plasmid overexpressing ADM gene) or pRNA-shADM (small interfering RNA for ADM gene)...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28091556/vegf-b-promotes-recovery-of-corneal-innervations-and-trophic-functions-in-diabetic-mice
#4
Guohu Di, Xiaowen Zhao, Xia Qi, Songmei Zhang, Lu Feng, Weiyun Shi, Qingjun Zhou
Vascular endothelial growth factor (VEGF)-B possesses the capacity of promoting injured peripheral nerve regeneration and restore their sensory and trophic functions. However, the contribution and mechanism of VEGF-B in diabetic peripheral neuropathy remains unclear. In the present study, we investigated the expression and role of VEGF-B in diabetic corneal neuropathy by using type 1 diabetic mice and cultured trigeminal ganglion (TG) neurons. Hyperglycemia attenuated the endogenous expression of VEGF-B in regenerated diabetic corneal epithelium, but not that of VEGF receptors in diabetic TG neurons and axons...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28088698/metformin-enhancing-the-antitumor-efficacy-of-carboplatin-against-ehrlich-solid-carcinoma-grown-in-diabetic-mice-effect-on-igf-1-and-tumoral-expression-of-igf-1-receptors
#5
Dina M Abo-Elmatty, Eman A Ahmed, Mona K Tawfik, Seham A Helmy
Diabetes has been listed as a risk factor for various types of cancer. Cancer cell development can be promoted by increased levels of IGF-1 and hyperinsulinemia that are associated with diabetes type II. Metformin is an anti-diabetic agent and its potential antitumor impact has become the objective of numerous studies. In this vein, we hypothesize that using metformin in diabetes type II mice may synergistic with carboplatin for reducing the risk of cancer. Therefore, the study aimed to evaluate the in vivo antitumor activity of metformin against solid EAC tumor growth in female diabetic mice and its potential pro-apoptotic and anti-proliferative effects with clarification of its inconclusive biological mechanisms...
January 12, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28088688/randomized-phase-iii-study-to-assess-efficacy-and-safety-of-adjuvant-capox-with-or-without-bevacizumab-in-patients-after-resection-of-colorectal-liver-metastases-hepatica-study
#6
Nikol Snoeren, Richard van Hillegersberg, Sander B Schouten, Andre M Bergman, Erikv van Werkhoven, Otilia Dalesio, Rob A E M Tollenaar, Henk M Verheul, Joost van der Sijp, Inne H M Borel Rinkes, E E Voest
Bevacizumab is a humanized monoclonal antibody targeting vascular endothelial growth factor (VEGF). Recurrence after resection of colorectal liver metastases (CRLMs), presumably caused by VEGF-mediated outgrowth of micrometastases, might decrease when VEGF is inhibited. This study examines the efficacy and safety of adding bevacizumab to an adjuvant regimen of CAPOX in patients undergoing radical resection for their CRLMs. Patients with resected CRLMs were randomized after surgery to receive CAPOX and bevacizumab (arm A) or CAPOX alone (arm B) as adjuvant treatment...
January 12, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28088494/the-n-butyl-alcohol-extract-from-hibiscus-rosa-sinensis-l-flowers-enhances-healing-potential-on-rat-excisional-wounds
#7
Hui-Min Shen, Chun Chen, Ji-Yang Jiang, Yi-Lin Zheng, Wen-Feng Cai, Bin Wang, Zhen Ling, Liu Tang, Yuan-Hang Wang, Gang-Gang Shi
ETHNO-PHARMACOLOGICAL RELEVANCE: Hibiscus rosa-sinensis L. (HRS), a folk medicine named Zhujin in China, possess anti-tumor, antioxidant, antibacterial, low density lipoprotein oxidation prevention and macrophage death prevention effects. The leaves and red flowers of HRS have been traditionally used to treat with furuncle and ulceration. AIM OF THE STUDY: To investigate the efficacy and possible mechanism of the N-butyl alcohol extract of HRS (NHRS) red flowers in wound healing by analyzing the collagen fiber deposition, angiogenic activity and macrophages action of the NHRS...
January 11, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28088487/adenosine-receptors-and-caffeine-in-retinopathy-of-prematurity
#8
REVIEW
Jiang-Fan Chen, Shuya Zhang, Rong Zhou, Zhenlang Lin, Xiaohong Cai, Jing Lin, Yuqin Huo, Xiaoling Liu
Retinopathy of prematurity (ROP) is a major cause of childhood blindness in the world and is caused by oxygen-induced damage to the developing retinal vasculature, resulting in hyperoxia-induced vaso-obliteration and subsequent delayed retinal vascularization and hypoxia-induced pathological neovascularization driven by vascular endothelial growth factor (VEGF) signaling pathway in retina. Current anti-VEGF therapy has shown some effective in a clinical trial, but is associated with the unintended effects on delayed eye growth and retinal vasculature development of preterm infants...
January 11, 2017: Molecular Aspects of Medicine
https://www.readbyqxmd.com/read/28088207/cytokine-and-neuropeptide-levels-are-associated-with-pain-relief-in-patients-with-chronically-painful-total-knee-arthroplasty-a-pilot-study
#9
Jasvinder A Singh, Siamak Noorbaloochi, Keith L Knutson
BACKGROUND: There are few studies with an assessment of the levels of cytokines or neuropeptides as correlates of pain and pain relief in patients with painful joint diseases. Our objective was to assess whether improvements from baseline to 2-months in serum cytokine, chemokine and substance P levels were associated with clinically meaningful pain relief at 2-months post-injection in patients with painful total knee arthroplasty (TKA). METHODS: Using data from randomized trial of 60 TKAs, we assessed the association of change in cytokine/chemokine/Substance P levels with primary study outcome, clinically important improvement in Western Ontario McMaster Osteoarthritis Index (WOMAC) pain subscale at 2-months post-injection using Student's t-tests and Spearman's correlation coefficient (non-parametric)...
January 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28088074/anti-angiogenic-treatment-in-breast-cancer-facts-successes-failures-and-future-perspectives
#10
REVIEW
Kim C Aalders, Konstantinos Tryfonidis, Elżbieta Senkus, Fatima Cardoso
Angiogenesis is one of the hallmarks of cancer and a crucial requisite in the development of tumors. Interrupting this process by blocking the vascular endothelial growth factor (VEGF) with the monoclonal antibody bevacizumab has been considered a possible breakthrough in the treatment of various types of cancer, especially for advanced disease. However in breast cancer, studies have shown ambivalent results causing debate about the value of this drug. In this article, we review the evidence for anti-angiogenic treatment options for breast cancer, as well as discuss the possible factors limiting the effectiveness of anti-angiogenic agents and offer a recommendation regarding the future research on these therapies for the treatment of breast cancer...
January 3, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/28087951/a-phase-ii-study-of-concurrent-chemoradiotherapy-and-erlotinib-for-inoperable-esophageal-squamous-cell-carcinoma
#11
Chuanhua Zhao, Li Lin, Jianzhi Liu, Rongrui Liu, Yuling Chen, Feijiao Ge, Ru Jia, Yang Jin, Yan Wang, Jianming Xu
Cisplatin-based concurrent chemoradiotherapy for patients with unresectable, locally advanced esophageal squamous cell carcinoma (ESCC) is associated with significant toxicities that are often intolerable. Prognosis for this subgroup of patients remains poor, and new therapeutic approaches are urgently needed. We investigated the efficacy and safety of paclitaxel combined with erlotinib and concurrent radiotherapy in patients with inoperable ESCC. Erlotinib (150 mg) was administered daily for 60 days beginning at the start of radiotherapy, and paclitaxel (45 mg/m²) was administered weekly along with intensity modulated conformal radiotherapy (60 Gy in 30 fractions)...
August 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/28087861/jolkinolide-a-and-jolkinolide-b-inhibit-proliferation-of-a549-cells-and-activity-of-human-umbilical-vein-endothelial-cells
#12
Lei Shen, Shan-Qiang Zhang, Lei Liu, Yu Sun, Yu-Xuan Wu, Li-Ping Xie, Ji-Cheng Liu
BACKGROUND Jolkinolide A (JA) and Jolkinolide B (JB) are diterpenoids extracted from the roots of Euphorbia fischeriana Steud and have been shown to have anti-tumor activity. However, their effects on the ability of tumor cells to invade blood vessels and metastasize remain largely unknown. Investigations into the effects of JA and JB on the angiogenesis of tumor tissues may facilitate the identification of new natural drugs with anti-tumor growth and metastasis activities. MATERIAL AND METHODS We used different concentrations of JA and JB (20 μg/ml, 40 μg/ml, 60 μg/ml, 80 μg/ml, and 100 μg/ml) to stimulate A549 cells and then studied the effects on the growth and metastasis of lung cancers...
January 14, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28087723/prophylactic-propranolol-for-prevention-of-rop-and-visual-outcome-at-1%C3%A2-year-prerop-trial
#13
Kishore Pratap Sanghvi, Nandkishor S Kabra, Phalguni Padhi, Umesh Singh, Swarup Kumar Dash, Bhupendra S Avasthi
OBJECTIVE: To evaluate the role of prophylactic propranolol in the prevention of retinopathy of prematurity (ROP) in infants ≤32 weeks of gestational age and their visual outcome at 1 year of corrected gestational age. DESIGN: Randomised double blind placebo controlled trial, parallel group nrolment with allocation ratio of 1:1. SETTINGS: Two level III neonatal intensive care units. PARTICIPANTS: 109 preterm neonates of ≤32 weeks of gestation with postnatal age ≤8 days old...
January 13, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28087639/vegfd-modulates-both-angiogenesis-and-lymphangiogenesis-during-zebrafish-embryonic-development
#14
Neil I Bower, Adam J Vogrin, Ludovic Le Guen, Huijun Chen, Steven A Stacker, Marc G Achen, Benjamin M Hogan
Vascular endothelial growth factors (VEGFs) control angiogenesis and lymphangiogenesis during development and in pathological conditions. In the zebrafish trunk, Vegfa controls the formation of intersegmental arteries by primary angiogenesis and Vegfc is essential for secondary angiogenesis, the formation of veins and lymphatics. VEGFD has been largely thought of as dispensable for vascular development in vertebrates. Here, we generated a zebrafish vegfd mutant by genome editing. vegfd mutants display significant defects in facial lymphangiogenesis independent of vegfc function...
January 13, 2017: Development
https://www.readbyqxmd.com/read/28086962/inhibitory-effects-of-serum-from-sepsis-patients-on-epithelial-cell-migration-in-vitro-a-case-control-study
#15
Henna Jaurila, Vesa Koivukangas, Marjo Koskela, Fiia Gäddnäs, Sirpa Salo, Johanna Korvala, Maija Risteli, Toni Karhu, Karl-Heinz Herzig, Tuula Salo, Tero I Ala-Kokko
BACKGROUND: Sepsis delays wound re-epithelialization. In this study we explored the effect of human sepsis sera as well as the effects of cytokines, growth factors and exosomes of sepsis sera treated normal fibroblasts (NF) on keratinocyte migration and proliferation in vitro. METHODS: Serum samples were taken on days 1, 4, and 9 from 44 patients diagnosed with severe sepsis, and from 14 matching healthy controls. We evaluated the effects of sepsis serum with or without TNF-α, EGF, EGF receptor inhibitor or exosomes of sepsis sera treated NF on human keratinocyte (HaCaT) proliferation (BrdU assay), viability (MTT assay), and migration (horizontal wound healing model)...
January 13, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28085772/retinal-pigment-epithelial-atrophy-after-anti-vascular-endothelial-growth-factor-injections-for-retinal-angiomatous-proliferation
#16
Masayuki Hata, Kenji Yamashiro, Akio Oishi, Sotaro Ooto, Hiroshi Tamura, Manabu Miyata, Naoko Ueda-Arakawa, Yoshimasa Kuroda, Ayako Takahashi, Akitaka Tsujikawa, Nagahisa Yoshimura
PURPOSE: To investigate the incidence rate and risk factors for development of retinal pigment epithelial (RPE) atrophy during anti-vascular endothelial growth factor (anti-VEGF) treatment for retinal angiomatous proliferation. METHODS: This study included 46 eyes with treatment-naive retinal angiomatous proliferation. All patients were treated with ranibizumab or aflibercept injections. Color fundus photography, spectral-domain optical coherence tomography, and fundus autofluorescence were evaluated for RPE atrophy diagnosis...
January 12, 2017: Retina
https://www.readbyqxmd.com/read/28085505/effect-of-porcine-chondrocyte-derived-extracellular-membrane-cdecm-on-postoperative-wound-healing-in-an-experimental-rabbit-model-of-glaucoma-filtration-surgery
#17
Jung Lim Kim, Hye Sook Lee, Yoonjin Lee, Mi Seon Kang, Sang Joon Lee, Jae Wook Yang
PURPOSE: We investigated whether a chondrocyte-derived extracellular membrane (CDECM) could reduce postoperative scar formation in an experimental rabbit model of glaucoma filtration surgery. METHODS: Thirty-six male New Zealand white rabbits underwent experimental glaucoma filtration surgeries on the right eye and were randomly divided into the following two treatment groups: the CDECM group was treated with subconjunctival injections of 0.1ml CDECM (25 mg/ml; n = 18 eyes), and the operation (OP) group was treated with subconjunctival injections of 0...
January 13, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28085139/efficacy-of-0-2%C3%A2-%C3%AE-g-day-fluocinolone-acetonide-implant-iluvien-in-eyes-with-diabetic-macular-edema-and-prior-vitrectomy
#18
A Meireles, C Goldsmith, I El-Ghrably, A Erginay, M Habib, B Pessoa, J Coelho, T Patel, R Tadayoni, P Massin, J Atorf, A J Augustin
PurposeLimited data are available on the efficacy of the 0.2 μg/day fluocinolone acetonide (FAc) implant in eyes with prior vitrectomy. Here, we present a collection of 26 vitrectomized eyes treated with the 0.2 μg/day FAc implant.MethodsRetrospective study involving six centers from four European countries analyzing the safety and efficacy data from patients (26 eyes from 25 patients) with DME and a prior vitrectomy that had been treated with one 0.2 μg/day FAc implant.ResultsPrior intravitreal therapies included anti-VEGF (mean, 3...
January 13, 2017: Eye
https://www.readbyqxmd.com/read/28083806/new-directions-in-anti-angiogenic-therapy-for-glioblastoma
#19
REVIEW
Nancy Wang, Rakesh K Jain, Tracy T Batchelor
Anti-angiogenic therapy has become an important component in the treatment of many solid tumors given the importance of adequate blood supply for tumor growth and metastasis. Despite promising preclinical data and early clinical trials, anti-angiogenic agents have failed to show a survival benefit in randomized controlled trials of patients with glioblastoma. In particular, agents targeting vascular endothelial growth factor (VEGF) appear to prolong progression free survival, possibly improve quality of life, and decrease steroid usage, yet the trials to date have demonstrated no extension of overall survival...
January 12, 2017: Neurotherapeutics: the Journal of the American Society for Experimental NeuroTherapeutics
https://www.readbyqxmd.com/read/28082434/89zr-bevacizumab-pet-potential-early-read-out-for-efficacy-of-everolimus-in-metastatic-renal-cell-carcinoma-patients
#20
Suzanne C van Es, Adrienne H Brouwers, Shekar V K Mahesh, Annemarie M Leliveld-Kors, Igle J de Jong, Marjolijn N Lub-de Hooge, Elisabeth G E de Vries, Jourik A Gietema, Sjoukje F Oosting
RATIONALE: Currently, biomarkers that predict efficacy of everolimus in metastatic renal cell carcinoma (mRCC) patients are lacking. Everolimus inhibits vascular endothelial growth factor A (VEGF-A) expression. We performed PET scans in mRCC patients with (89)Zr-bevacizumab, a VEGF-A-binding antibody tracer. Aims were to determine change in tumor tracer uptake after start of everolimus and to explore if (89)Zr-bevacizumab PET can identify patients with early disease progression. METHODS: (89)Zr-bevacizumab PET was done before and 2 and 6 weeks after start of everolimus 10 mg/day in mRCC patients...
January 12, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
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