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https://www.readbyqxmd.com/read/29929185/spectral-domain-optical-coherence-tomography-allows-the-unification-of-clinical-decision-making-for-the-evaluation-of-choroidal-neovascularization-activity
#1
Cornelia Volz, Felix Grassmann, Roman Greslechner, David Arthur Märker, Patrick Peters, Horst Helbig, Maria-Andreea Gamulescu
PURPOSE: This prospective observational clinical study investigated the benefits of spectral domain optical coherence tomography for specialists and residents in the management of neovascular age-related macular degeneration (AMD). PROCEDURES: The study involved 49 eyes of 44 patients. Patients were advised to present for reevaluation 4 weeks after the administration of the loading dose of vascular endothelial growth factor (VEGF)-inhibitors (3 intravitreal injections every 4 weeks after diagnosis)...
June 21, 2018: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/29929138/prothrombotic-mechanisms-in-patients-with-congenital-p-cys89tyr-mutation-in-cd59
#2
Adi Tabib, Issam Hindi, Netanel Karbian, Orly Zelig, Batla Falach, Dror Mevorach
BACKGROUND: Thrombosis is the prognostic factor with the greatest effect on survival in patients with paroxysmal nocturnal hemoglobinuria (PNH), who lack dozens of membrane surface proteins. We recently described a primary homozygous Cys89Tyr congenital nonfunctioning CD59 in humans with clinical manifestation in infancy, associated with chronic hemolysis, recurrent strokes, and relapsing peripheral demyelinating neuropathy. Here we investigated hypercoagulability mechanisms characterizing the syndrome...
June 11, 2018: Thrombosis Research
https://www.readbyqxmd.com/read/29929133/cytotoxicity-cytokine-release-and-er-stress-autophagy-gene-expression-in-endothelial-cells-and-alveolar-endothelial-co-culture-exposed-to-pristine-and-carboxylated-multi-walled-carbon-nanotubes
#3
Shiwei Chang, Xuqi Zhao, Siyu Li, Tuqiang Liao, Jimin Long, Zhiqiang Yu, Yi Cao
Recently we found that direct exposure of human umbilical vein endothelial cells (HUVECs) to multi-walled carbon nanotubes (MWCNTs) might induce toxicological responses through the modulation of ER stress gene expression, but whether this signal could be transferred from other cells to endothelial cells (ECs) is unknown. This study investigated the toxicity of pristine and carboxylated MWCNTs to HUVECs and alveolar-endothelial co-culture, the later of which could mimic the possible signaling communications between ECs and MWCNT exposed alveolar cells...
June 18, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29929107/in-utero-programming-and-early-detection-of-cardiovascular-disease-in-the-offspring-of-mothers-with-obesity
#4
REVIEW
Karolien Van De Maele, Roland Devlieger, Inge Gies
The offspring of women with obesity during their pregnancy are exposed to an altered intra-uterine environment. A subsequent influence on the cardiovascular development during fetal life is assumed. In the present thematic review, we report on the current knowledge about this early development of cardiovascular disease from fetal life until adolescence. Based on animal studies, different contributing mechanisms have been hypothesized that still need confirmation in human subjects. Insulin resistance, increased levels of leptin, chronic inflammatory state, perturbation of sympathetic tone and epigenetic modifications contribute to a suboptimal nutrient environment and changed hemodynamics...
June 9, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29929036/evaluation-of-common-housekeeping-proteins-under-ischemic-conditions-and-or-rt-pa-treatment-in-bend-3-cells
#5
Pau Comajoan, Carme Gubern, Gemma Huguet, Joaquín Serena, Elisabet Kádár, Mar Castellanos
Thrombolysis with recombinant tissue plasminogen activator (rt-PA) is the only pharmacological approved treatment for ischemic stroke, despite its associated increasing risk of hemorrhagic transformation. Since many of rt-PA effects in blood-brain barrier (BBB) are not well characterized, the study of protein changes in BBB cells after rt-PA administration may help to understand its adverse effects. Our aim was to analyze protein levels of four commonly used housekeeping proteins: β-Actin, α-Tubulin, GAPDH and HPRT in bEnd...
June 18, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29929034/craniotomy-for-a-large-and-aggressive-de-novo-cavernous-malformation-resection-in-the-basal-ganglia-region
#6
Zhiyong Yan, Shusheng Che, Yingbin Jiao, JianPeng Wang, Xingze Li, Chao Wang
Cerebral cavernous malformations (CCMs) are present in up to 0.5% of the general population. While CCMs have been considered congenital lesions, numerous reports have observed de novo formations in patients with the familial form of CCM and in patients after cranial radiotherapy. Outside of these circumstances, there is scant evidence as to the potential etiologies of CCM. We present a 48-year-old woman with a medical history of endometrial hyperplasia concomitant endometrial polyps demonstrating a large de novo CCM, which grew to a large size in a period of 20 months...
June 18, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29928987/angiotensin-1-7-does-not-interact-directly-with-mas1-but-can-potently-antagonize-signaling-from-the-at1-receptor
#7
Ibragim Gaidarov, John Adams, John Frazer, Todd Anthony, Xiaohua Chen, Joel Gatlin, Graeme Semple, David J Unett
Angiotensin (1-7) has been reported to be a ligand for the GPCR MAS1. Small molecule MAS1 modulators have also been recently characterized. Aside from convincing evidence for MAS1 activation of Gq signaling, little is known about MAS1 mediated signaling pathways initiated by these ligands, especially Ang (1-7). We performed a comprehensive characterization of recombinant MAS1 signaling induced by Ang (1-7) and small molecule ligands through numerous G protein-dependent and independent pathways, and in a signaling pathway agnostic approach...
June 18, 2018: Cellular Signalling
https://www.readbyqxmd.com/read/29928966/guajadial-inhibits-nsclc-growth-and-migration-following-activation-of-the-vegf-receptor-2
#8
Yongfeng Wang, Meiling Duan, Lijiang Zhao, Ping Ma
Guajadial, one of natural dialdehyde meroterpenoids, demonstrated significant antineoplasmic activity. The present research was to investigate the inhibitory effects of guajadial by using two NSCLC cells (A549 and H1650) proliferation and migration. Western blotting was employed to explore the underlying mechanisms of VEGF receptor (VEGFR)2-mediated. This research indicated that guajadial not only inhibited endothelial cell proliferation and migration but also suppress tumor growth in human NSCLC xenograft mouse models...
June 18, 2018: Fitoterapia
https://www.readbyqxmd.com/read/29928895/hdl-apoa-i-induces-the-expression-of-angiopoietin-like-4-angptl4-in-endothelial-cells-via-a-pi3k-akt-foxo1-signaling-pathway
#9
Dimitris Theofilatos, Panagiotis Fotakis, Efi Valanti, Despina Sanoudou, Vassilis Zannis, Dimitris Kardassis
BACKGROUND: High Density Lipoprotein (HDL) and its main protein component, apolipoprotein A-I (apoA-I) have numerous atheroprotective functions on various tissues including the endothelium. Therapies based on reconstituted HDL containing apoA-I (rHDL-apoA-I) have been used successfully in patients with acute coronary syndrome, peripheral vascular disease or diabetes but very little is known about the genomic effects of rHDL-apoA-I and how they could contribute to atheroprotection. OBJECTIVE: The present study aimed to understand the endothelial signaling pathways and the genes that may contribute to rHDL-apoA-I-mediated atheroprotection...
June 18, 2018: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29928859/inhibition-of-the-signaling-pathway-of-syndecan-1-by-synstatin-a-promising-anti-integrin-inhibitor-of-angiogenesis-and-proliferation-in-hcc-in-rats
#10
Heba A Metwaly, Amal M El-Gayar, Mamdouh M El-Shishtawy
AIM OF WORK: The study was conducted for evaluation of the antitumor activity of SSTN92-119 against HCC induced by thioacetamide in rats. METHODS: Sixty male Sprague-Dawley rats were randomized into four equal groups: Control, SSTN92-119 , HCC, and HCC + SSTN92-119 . Liver function tests were measured in serum. Liver homogenate was used for determination of: i) integrinαѴβ3 (ITGαѴβ3), insulin like growth factor-1 receptor (IGF-1R), vascular endothelial growth factor (VEGF), fibroblast growth factor-2 (FGF-2) and alpha-fetoprotein (AFP) levels by ELISA, ii) syndecan-1 (CD-138), IGF-1R and VEGF genes expressions by qRT-PCR, iii) MDA, NO, GSH concentrations and SOD activity...
June 18, 2018: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/29928643/circulating-protein-biomarkers-in-systemic-sclerosis-related-pulmonary-arterial-hypertension-a-review-of-published-data
#11
REVIEW
Peter M Hickey, Allan Lawrie, Robin Condliffe
Pulmonary arterial hypertension (PAH) develops in 7-12% of patients with systemic sclerosis (SSc) and is associated with a 3 year survival of 52%. Early detection by screening is therefore recommended for all patients with SSc. Historically, screening has been performed using echocardiography and measurement of gas transfer. More recently the DETECT protocol, using a combination of biomarkers (including N-terminal pro-brain natriuretic peptide) and clinical parameters, has been developed. The optimal method of screening for PAH with high sensitivity and specificity is, however, not clear...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29928441/the-upregulated-expression-of-vascular-endothelial-growth-factor-in-surgically-treated-patients-with-recurrent-radioresistant-cervical-cancer-of-the-uterus
#12
Kosuke Yoshida, Shiro Suzuki, Jun Sakata, Fumi Utsumi, Kaoru Niimi, Nobuhisa Yoshikawa, Kimihiro Nishino, Kiyosumi Shibata, Fumitaka Kikkawa, Hiroaki Kajiyama
Vascular endothelial growth factor (VEGF) inhibitors have been utilized for the treatment against advanced or recurrent cervical carcinoma as a novel therapeutic modality. However, the expression level of VEGF in post-radiotherapy relapsed/persistent cervical cancer remains to be elucidated. The aim of the present study was to investigate the expression of VEGF and associated molecules using tumor samples from patients with post-radiotherapy relapsed/persistent cervical cancer. From a database of 826 patients who were treated at our institution between 2003 and 2015, eight patients with post-radiotherapy relapsed/persistent cervical cancer were identified, and 20 patients who underwent initial surgery alone were used as a control...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928421/the-coordinated-effects-of-apatinib-and-tripterine-on-the-proliferation-invasiveness-and-apoptosis-of-human-hepatoma-hep3b-cells
#13
Huihui Li, Yichang Fan, Fan Yang, Lei Zhao, Bangwei Cao
As a novel vascular endothelial growth factor receptor-2 (VEGFR-2) tyrosine kinase inhibitor, Apatinib has exhibited antitumor effects in a variety of solid tumors. Extracts of Chinese herbal medicines have emerged as a promising alternative option to increase the sensitivity of patients to chemotherapeutics while alleviating side effects. The present study aimed to investigate the effects of Apatinib and the traditional Chinese herb Tripterine on the proliferation, invasion and apoptosis of human hepatoma Hep3B cells...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928412/tumor-necrosis-factor-related-apoptosis-inducing-ligand-additive-with-iodine-131-of-inhibits-non-small-cell-lung-cancer-cells-through-promoting-apoptosis
#14
Ning Yang, Shuzhan Yao, Dong Liu
Non-small-cell lung cancer (NSCLC) accounts for ~80% of human lung cancer cases and is the most common cause of cancer-associated mortality worldwide. Reports have indicated that tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and Iodine-131 (I-131) can induce tumor cell apoptosis. The purpose of the present study was to investigate the additive efficacy of TRAIL and I-131 on NSCLC cells. The present study demonstrated that additive treatment of TRAIL and I-131 (TRAIL-I-131) significantly inhibited the growth and aggressiveness of NSCLC cells compared with single TRAIL or I-131 treatment...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928404/efficacy-of-radiotherapy-on-intermediate-and-advanced-lung-cancer-and-its-effect-on-dynamic-changes-of-serum-vascular-endothelial-growth-factor-and-matrix-metalloproteinase-9
#15
Guowei Ding, Yongchao Liu, Chunmei Liang
The present study intended to investigate efficacy of radiotherapy in the treatment of intermediate and advanced stage lung cancer and the effects on serum vascular endothelial growth factor (VEGF) and matrix metalloproteinase-9 (MMP-9). Serum levels of VEGF and MMP-9 of 77 patients with intermediate or advanced lung cancer were detected before and after the treatment. At the same time, 19 healthy people were selected as the control group. Gelatin zymography was applied to measure the activity of serum MMP-9, ELISA was performed to detect the VEGF and MMP-9 levels in the peripheral blood and reverse transcription-quantitative polymerase chain reaction (RT-qPCR) was used to measure the messenger RNA (mRNA) levels of VEGF and MMP-9 in serum...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928383/research-progress-on-common-adverse-events-caused-by-targeted-therapy-for-colorectal-cancer
#16
REVIEW
Bo Zhang, Chenyan Fang, Dehou Deng, Liang Xia
As targeted drug therapy is increasingly applied in the treatment of colon cancer, understanding and managing the adverse reactions of patients is becoming increasingly important. The present review examines the mechanisms of and adverse reactions to the most commonly used targeted drugs for colon cancer, and discusses methods of coping with these adverse reactions. Approved targeted drugs for metastatic colon cancer include monoclonal antibodies targeting vascular endothelial growth factor (VEGF), including bevacizumab, ziv-aflibercept and regorafenib, and monoclonal antibodies targeting epithelial growth factor receptor (EGFR), including cetuximab and panitumumab...
July 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928363/identification-of-endothelial-selectin-as-a-potential-prognostic-marker-in-breast-cancer
#17
Wei Zhang, Zhichao Zuo, Xiangyang Huang, Junjie Liu, Guanqiao Jin, Danke Su
Endothelial selectin ( ELAM1 or CD62E ) has been previously reported as being associated with the prognosis of multiple types of cancer. However, its prognostic value in breast cancer (BC) remains unclear. The aim of the present study was to investigate the prognostic value of ELAM1 mRNA expression in BC tissue. The prognostic value of ELAM1 mRNA was assessed in patients with BC using the Kaplan-Meier plotter (KM-plot) database. The KM-plot generated updated ELAM1 mRNA expression data and survival analysis from a total of 3,951 patients with BC, gathered from 35 datasets...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928359/increased-tumor-vascularization-is-associated-with-the-amount-of-immune-competent-pd-1-positive-cells-in-testicular-germ-cell-tumors
#18
Lukas Jennewein, Georg Bartsch, Kilian Gust, Hans-Michael Kvasnicka, Axel Haferkamp, Roman Blaheta, Michel Mittelbronn, Patrick N Harter, Jens Mani
Testicular germ cell cancer in a metastatic state is curable with a cisplatin-based first line chemotherapy. However, 10-15% of these patients are resistant to first line chemotherapy and are thus left with only palliative options. Immunotherapies and inhibition of angiogenesis used in multiple types of cancer; however, the molecular context of angiogenesis and immune checkpoints in the development and progression of testicular cancers is still unknown. Therefore, the present study performed tissue micro array based analysis of 84 patients with immunohistochemistry of programmed cell death protein 1 (PD-1), programmed cell death ligand 1 (PD-L1) and vascular endothelial growth factor receptor 2 (VEGFR2) of testicular cancer and corresponding normal appearing testis tissue, matching the results with clinical data...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928336/toll-like-receptor-4-and-its-associated-proteins-as-prognostic-factors-for-hcc-treated-by-post-radiotherapy-surgery
#19
Zhi-Feng Wu, Ying Wang, Ping Yang, Jia-Zhou Hou, Jian-Ying Zhang, Yong Hu, Zhao-Chong Zeng
Locally advanced hepatocellular carcinoma (HCC) treated by radiotherapy (RT) may be suited for further treatment with surgery. As a critical mediator of the post-RT immune response, Toll-like receptor 4 (TLR4) and its associated proteins may serve as prognostic factors for patients with HCC treated by post-RT surgery. In the present study, a total of 20 patients with HCC treated by post-RT surgery were enrolled. Resected tumor and peritumoral liver tissues were used to construct tissue microarrays that were assessed with immunohistochemical staining for the expression levels of TLR4, tumor necrosis factor-related apoptosis-inducing ligand (TRAIL) and vascular endothelial growth factor receptor 2 (VEGFR2)...
June 2018: Oncology Letters
https://www.readbyqxmd.com/read/29928236/progressive-decrease-in-coronary-vascular-function-associated-with-type-2-diabetic-heart-disease
#20
Rajesh Katare, James T Pearson, Jason Kar-Sheng Lew, Melanie Wei, Hirotsugu Tsuchimouchi, Cheng-Kun Du, Dong-Yun Zhan, Keiji Umetani, Mikiyasu Shirai, Daryl O Schwenke
Background: The causal factors underpinning the onset and progression of diabetic heart disease (DHD) remain to be fully elucidated. Myocardial function is critically dependent on optimal coronary blood flow. Considering vascular disease occurs early in diabetes due to endothelial dysfunction, this study aimed to determine whether impaired coronary perfusion contributes to the origins of myocardial dysfunction in DHD, or whether coronary and cardiac dysfunction are independent pathologies associated with diabetes...
2018: Frontiers in Physiology
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