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https://www.readbyqxmd.com/read/28340463/hypoxia-and-hydrogen-sulfide-differentially-affect-normal-and-tumor-derived-vascular-endothelium
#1
Serena Bianco, Daniele Mancardi, Annalisa Merlino, Benedetta Bussolati, Luca Munaron
BACKGROUND: endothelial cells play a key role in vessels formation both under physiological and pathological conditions. Their behavior is influenced by blood components including gasotransmitters (H2S, NO and CO). Tumor cells are subjected to a cyclic shift between pro-oxidative and hypoxic state and, in this scenario, H2S can be both cytoprotective and detrimental depending on its concentration. H2S effects on tumors onset and development is scarcely studied, particularly concerning tumor angiogenesis...
March 18, 2017: Redox Biology
https://www.readbyqxmd.com/read/28330905/secretogranin-iii-as-a-disease-associated-ligand-for-antiangiogenic-therapy-of-diabetic-retinopathy
#2
Michelle E LeBlanc, Weiwen Wang, Xiuping Chen, Nora B Caberoy, Feiye Guo, Chen Shen, Yanli Ji, Hong Tian, Hui Wang, Rui Chen, Wei Li
Diabetic retinopathy (DR) is a leading cause of vision loss with retinal vascular leakage and/or neovascularization. Current antiangiogenic therapy against vascular endothelial growth factor (VEGF) has limited efficacy. In this study, we applied a new technology of comparative ligandomics to diabetic and control mice for the differential mapping of disease-related endothelial ligands. Secretogranin III (Scg3) was discovered as a novel disease-associated ligand with selective binding and angiogenic activity in diabetic but not healthy vessels...
March 22, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28330568/-evaluation-of-healing-time-of-osteochemonecrosis-of-the-jaw-after-surgery-single-center-retrospective-study-and-review-of-the-literature
#3
A Berquet, A Louvrier, F Denis, F Bornert, E Weber, C Meyer
INTRODUCTION: Osteochemonecrosis of the jaw (ONJ) is a chronic ischemic bone exposure. It has an increasing incidence. ONJ is mainly related to bisphosphonate and denosumab therapies in oncologic settings. Healing is considered uncertain ad as occurring slowly. International recommendations suggest to treat ONJ symptomatically in a first attempt. A surgical procedure, potentially aggressive, should be carefully weight up in patients in poor condition and whose life expectancy is often limited...
February 2017: J Stomatol Oral Maxillofac Surg
https://www.readbyqxmd.com/read/28330073/cladosporium-cladosporioides-from-the-perspectives-of-medical-and-biotechnological-approaches
#4
REVIEW
Manaf AlMatar, Essam A Makky
Fungi are important natural product sources that have enormous potential for the production of novel compounds for use in pharmacology, agricultural applications and industry. Compared with other natural sources such as plants, fungi are highly diverse but understudied. However, research on Cladosporium cladosporioides revealed the existence of bioactive products such as p-methylbenzoic acid, ergosterol peroxide (EP) and calphostin C as well as enzymes including pectin methylesterase (PME), polygalacturonase (PG) and chlorpyrifos hydrolase...
June 2016: 3 Biotech
https://www.readbyqxmd.com/read/28322131/soluble-flt-1-has-cytotoxic-effects-on-bewo-choriocarcinoma-cells
#5
Michiko Yamashita, Keiichi Kumasawa, Tatsuya Miyake, Hitomi Nakamura, Tadashi Kimura
BACKGROUND: Vascular endothelial growth factor (VEGF) plays a pivotal role in angiogenesis and is overexpressed in many kinds of malignant tumors. Soluble VEGF receptor 1 (sVEGFR-1/ soluble fms-like tyrosine kinase 1 [sFlt-1]) plays a role as an inhibitor of VEGF, and an antitumor effect has been shown in several studies using sFlt-1. Recently, in addition to its antiangiogenic effect, it was reported that sFlt-1 has direct cytotoxicity. MATERIALS AND METHODS: Transfection of sFlt-1 plasmid DNA was performed in the BeWo choriocarcinoma cell line...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28320855/salt-sensitivity-of-angiogenesis-inhibition-induced-blood-pressure-rise-role-of-interstitial-sodium-accumulation
#6
Stephanie Lankhorst, David Severs, Lajos Markó, Natalia Rakova, Jens Titze, Dominik N Müller, A H Jan Danser, Anton H van den Meiracker
In response to salt loading, Na(+) and Cl(-) accumulate in the skin in excess of water, stimulating skin lymphangiogenesis via activation of the mononuclear phagocyte system cell-derived vascular endothelial growth factor-C-vascular endothelial growth factor type 3 receptor signaling pathway. Inhibition of this pathway results in salt-sensitive hypertension. Sunitinib is an antiangiogenic, anticancer agent that blocks all 3 vascular endothelial growth factor receptors and increases blood pressure. We explored the salt dependency of sunitinib-induced hypertension and whether impairment of skin lymphangiogenesis is an underlying mechanism...
March 20, 2017: Hypertension
https://www.readbyqxmd.com/read/28319529/the-notch-signaling-system-is-involved-in-the-regulation-of-reparative-angiogenesis-in-the-zone-of-stasis
#7
Ozan Luay Abbas, Orhan Özatik, Yunus Kasm Terzi, Fikriye Yasemin Özatik, Rukiye Nar, Gamze Turna
The Notch pathway ligand Delta-like 4 (Dll4) functions as an antiangiogenic factor, inhibiting vascular endothelial growth factor (VEGF)-induced angiogenesis. This function is documented in tumor and embryonic vasculature. However, its implication in burn wounds remains unexplored. Our objective was to explore the involvement of the Notch in the healing of zone of stasis burns. We hypothesized that anti-Dll4 therapy would prevent progressive necrosis in the stasis zone by promoting angiogenesis. Burns were created in 21 rats using the comb burn model...
March 13, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28316613/ppar-agonists-for-the-prevention-and-treatment-of-lung-cancer
#8
REVIEW
Sowmya P Lakshmi, Aravind T Reddy, Asoka Banno, Raju C Reddy
Lung cancer is the most common and most fatal of all malignancies worldwide. Furthermore, with more than half of all lung cancer patients presenting with distant metastases at the time of initial diagnosis, the overall prognosis for the disease is poor. There is thus a desperate need for new prevention and treatment strategies. Recently, a family of nuclear hormone receptors, the peroxisome proliferator-activated receptors (PPARs), has attracted significant attention for its role in various malignancies including lung cancer...
2017: PPAR Research
https://www.readbyqxmd.com/read/28303646/quality-of-life-on-tsu-68-combination-of-docetaxel-and-tsu-68-an-oral-antiangiogenic-agent-in-patients-with-metastatic-breast-cancer-previously-treated-with-anthracycline
#9
Byeong Seok Sohn, Sung-Bae Kim, Jin-Hee Ahn, Kyung Hae Jung, Jeongeun Kim, Keun Seok Lee, Jungsil Ro, Seock-Ah Im, Young-Hyuck Im, Hong Suk Song, Hee Sook Park, Hyun-Cheol Chung
AIM: The aim of this study is to investigate whether the addition of TSU-68 would affect on the quality of life (QOL) of Korean metastatic breast cancer patients treated with docetaxel. METHODS: Sixty-three of 78 patients completed the baseline QOL questionnaires and at least one follow-up questionnaire comprising questions from the Korean Functional Assessment of Cancer Therapy-Breast (FACT-B), hospital anxiety and depression scale (HAD), the shortened form of the profile of mood states (BPOMS), and anticipation and anxiety for treatment scale...
March 16, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28301910/soluble-fms-like-tyrosine-kinase-1-as-a-link-between-angiogenesis-and-endothelial-dysfunction-in-pediatric-patients-with-%C3%AE-thalassemia-intermedia
#10
Azza Abdel Gawad Tantawy, Amira Abdel Moneam Adly, Eman Abdel Rahman Ismail, Omneya Ibrahim Youssef, Mohamed ElSayed Ali
Endothelial damage has been implicated in the pathogenesis of vascular complications in β-thalassemia intermedia (β-TI). Soluble fms-like tyrosine kinase 1 (sFLT-1) is a member of the vascular endothelial growth factor receptor (VEGFR) family. Soluble fms-like tyrosine kinase 1 is an antiangiogenic protein that induces endothelial dysfunction by adhering to and inhibiting VEGF and placenta growth factor. The aim of this study was to assess the level of sFLT-1 in 35 children and adolescents with β-TI, correlating it with markers of hemolysis and iron overload as well as cardiopulmonary complications...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28301873/personalising-and-targeting-antiangiogenic-resistance-a-complex-and-multifactorial-approach
#11
REVIEW
Maria J Bueno, Silvana Mouron, Miguel Quintela-Fandino
Pathological angiogenesis involves complex and dynamic interactions between tumour cells and other lineages existing in the microenvironment of the tumour. Preclinical and clinical data suggest that tumours can show dual, different adaptive responses against antiangiogenic agents: one successful adaptation is vascular normalisation, whereas the second adaptation is elicited through vascular trimming and increased hypoxia. These phenomena depend on the type of tumour and the type of agent. The classical approach for investigating acquired resistance against antiangiogenic agents is to identify compensatory signalling pathways emerging in response to VEGF blockade, which has led to the development of highly effective drugs; however, ultimately these drugs fail...
March 16, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28301850/influence-of-vitreomacular-adhesion-on-anti-vascular-endothelial-growth-factor-treatment-for-neovascular-age-related-macular-degeneration
#12
Tereza Cristina Moreira Kanadani, Carlos Eduardo Dos Reis Veloso, Syril Dorairaj, Márcio Bittar Nehemy
PURPOSE: To investigate the effect of vitreomacular adhesion (VMA) on the outcome of antiangiogenic treatment for neovascular age-related macular degeneration (AMD). METHODS: Ninety-nine eyes of 83 patients were used in our cohort study. We prospectively evaluated best corrected visual acuity (BCVA) and central retinal thickness (CRT) in patients with neovascular AMD at baseline and 1, 2, 3, 6, and 12 months after treatment with anti-vascular endothelial growth factor (anti-VEGF) agents...
March 17, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28298545/homeobox-b9-mediates-resistance-to-anti-vegf-therapy-in-colorectal-cancer-patients
#13
Carmine Carbone, Geny Piro, Francesca Simionato, Francesca Ligorio, Chiara Cremolini, Fotios Loupakis, Greta Alì, Daniele Rossini, Valeria Merz, Raffaela Santoro, Camilla Zecchetto, Marco Zanotto, Federica Di Nicolantonio, Alberto Bardelli, Gabriella Fontanini, Giampaolo Tortora, Davide Melisi
PURPOSE: The identification of predictive biomarkers for antiangiogenic therapies remains an unmeet need. We hypothesized that the transcription factor Homeobox B9 (HOXB9) could be responsible for the tumor resistance to the anti-VEGF agent bevacizumab. EXPERIMENTAL DESIGN: HOXB9 expression and activation were measured in eight models of colorectal and pancreatic cancer with different resistance to bevacizumab. Serum levels of Angiopoietin-like Protein (Angptl)2, CXC receptor ligand (CXCL)1, interleukin(IL)8, and Transforming Growth Factor (TGF)β1 in tumor-bearing mice were measured by multiplex xMAP technology...
March 15, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28293555/second-line-treatment-of-non-small-cell-lung-cancer-clinical-pathological-and-molecular-aspects-of-nintedanib
#14
REVIEW
Luis Corrales, Amanda Nogueira, Francesco Passiglia, Angela Listi, Christian Caglevic, Marco Giallombardo, Luis Raez, Edgardo Santos, Christian Rolfo
Lung carcinoma is the leading cause of death by cancer in the world. Nowadays, most patients will experience disease progression during or after first-line chemotherapy demonstrating the need for new, effective second-line treatments. The only approved second-line therapies for patients without targetable oncogenic drivers are docetaxel, gemcitabine, pemetrexed, and erlotinib and for patients with target-specific oncogenes afatinib, osimertinib, crizotinib, alectinib, and ceritinib. In recent years, evidence on the role of antiangiogenic agents have been established as important and effective therapeutic targets in non-small cell lung cancer (NSCLC)...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/28291643/successful-treatment-of-pituitary-carcinoma-with-concurrent-radiation-temozolomide-and-bevacizumab-after-resection
#15
Waseem Touma, Spencer Hoostal, Richard A Peterson, Andres Wiernik, Karen S SantaCruz, Emil Lou
The optimal treatment of pituitary carcinomas (PC) is unknown. Treatment includes surgical resection, radiation, and more recently, temozolomide (TMZ). Pituitary adenomas have relatively high expression of vascular endothelial growth factor; therefore, bevacizumab, an antiangiogenic agent, has been used in a small number of aggressive or malignant pituitary tumors after recurrence. However, it has not been administered concurrently with other chemotherapeutic agents or combined with radiation therapy in PC...
March 11, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28291194/-clinical-associations-between-photoreceptor-status-and-visual-outcomes-in-diabetic-macular-edema
#16
A Zh Fursova, N V Chubar', M S Tarasov, I F Saifullina, G G Pustovaya
AIM: to investigate morphological changes and visual acuity response to ranibizumab therapy in patients with different OCT-types of diabetic macular edema (DME) as well as different state of the inner and outer photoreceptor segments (IS and OS) and the outer limiting membrane (OLM); to study relationships between functional and morphological parameters before and after the treatment; to study the effect of glycated hemoglobin levels on morphological parameters and ME duration. MATERIAL AND METHODS: The study included 113 patients (113 eyes) with DME, who underwent 3 once-monthly intravitreal injections of ranibizumab (the mean patient age, 63...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28287613/knockdown-of-long-non-coding-rna-xist-increases-blood-tumor-barrier-permeability-and-inhibits-glioma-angiogenesis-by-targeting-mir-137
#17
H Yu, Y Xue, P Wang, X Liu, J Ma, J Zheng, Z Li, Z Li, H Cai, Y Liu
Antiangiogenic therapy plays a significant role in combined glioma treatment. However, poor permeability of the blood-tumor barrier (BTB) limits the transport of chemotherapeutic agents, including antiangiogenic drugs, into tumor tissues. Long non-coding RNAs (lncRNAs) have been implicated in various diseases, especially malignant tumors. The present study found that lncRNA X-inactive-specific transcript (XIST) was upregulated in endothelial cells that were obtained in a BTB model in vitro. XIST knockdown increased BTB permeability and inhibited glioma angiogenesis...
March 13, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28286925/cabozantinib-for-renal-cell-carcinoma-current-and-future-paradigms
#18
REVIEW
Ahmed Abdelaziz, Ulka Vaishampayan
Cabozantinib was approved by the FDA in April 2016 for the treatment of advanced renal cancer, pretreated with at least one prior antiangiogenic therapy. This is the first agent in the therapy of kidney cancer to show a statistically significant improvement in all three endpoints of clinical efficacy, response rate, progression free survival, and overall survival (OS), in a phase III randomized trial. The reporting of METEOR coincided with that of the Checkmate 025 study which randomized similarly eligible patients to receive nivolumab or everolimus 10 mg daily...
March 2017: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/28286531/a-review-of-the-potential-of-phytochemicals-from-prunus-africana-hook-f-kalkman-stem-bark-for-chemoprevention-and-chemotherapy-of-prostate-cancer
#19
REVIEW
Richard Komakech, Youngmin Kang, Jun-Hwan Lee, Francis Omujal
Prostate cancer remains one of the major causes of death worldwide. In view of the limited treatment options for patients with prostate cancer, preventive and treatment approaches based on natural compounds can play an integral role in tackling this disease. Recent evidence supports the beneficial effects of plant-derived phytochemicals as chemopreventive and chemotherapeutic agents for various cancers, including prostate cancer. Prunus africana has been used for generations in African traditional medicine to treat prostate cancer...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28286420/hlbt-100-a-highly-potent-anti-cancer-flavanone-from-tillandsia-recurvata-l-l
#20
Henry I C Lowe, Ngeh J Toyang, Charah T Watson, Kenneth N Ayeah, Joseph Bryant
BACKGROUND: The incidence and mortalities from cancers remain on the rise worldwide. Despite significant efforts to discover and develop novel anticancer agents, many cancers remain in the unmet need category. As such, efforts to discover and develop new and more effective and less toxic agents against cancer remain a top global priority. Our drug discovery approach is natural products based with a focus on plants. Tillandsia recurvata (L.) L. is one of the plants selected by our research team for further studies based on previous bioactivity findings on the anticancer activity of this plant...
2017: Cancer Cell International
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