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https://www.readbyqxmd.com/read/28526045/standardization-of-platelet-releasate-products-for-clinical-applications-in-cell-therapy-a-mathematical-approach
#1
Francesco Agostini, Jerry Polesel, Monica Battiston, Elisabetta Lombardi, Stefania Zanolin, Alessandro Da Ponte, Giuseppe Astori, Cristina Durante, Mario Mazzucato
BACKGROUND: Standardized animal-free components are required for manufacturing cell-based medicinal products. Human platelet concentrates are sources of growth factors for cell expansion but such products are characterized by undesired variability. Pooling together single-donor products improves consistency, but the minimal pool sample size was never determined. METHODS: Supernatant rich in growth factors (SRGF) derived from n = 44 single-donor platelet-apheresis was obtained by CaCl2 addition...
May 19, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28523566/radial-glia-cells-control-angiogenesis-in-the-developing-cerebral-cortex-through-tgf-%C3%AE-1-signaling
#2
Michele Siqueira, Daniel Francis, Diego Gisbert, Flávia Carvalho Alcantara Gomes, Joice Stipursky
Neuroangiogenesis in the developing central nervous system is controlled by interactions between endothelial cells (ECs) and radial glia (RG) neural stem cells, although RG-derived molecules implicated in these events are not fully known. Here, we investigated the role of RG-secreted TGF-β1, in angiogenesis in the developing cerebral cortex. By isolation of murine microcapillary brain endothelial cells (MBECs), we demonstrate that conditioned medium from RG cultures (RG-CM) promoted MBEC migration and formation of vessel-like structures in vitro, in a TGF-β1-dependent manner...
May 18, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28515673/growth-of-mcf-7-breast-cancer-cells-and-efficacy-of-anti-angiogenic-agents-in-a-hydroxyethyl-chitosan-glycidyl-methacrylate-hydrogel
#3
Hejing Wang, Junmin Qian, Yaping Zhang, Weijun Xu, Juxiang Xiao, Aili Suo
BACKGROUND: Breast cancer negatively affects women's health worldwide. The tumour microenvironment plays a critical role in tumour initiation, proliferation, and metastasis. Cancer cells are traditionally grown in two-dimensional (2D) cultures as monolayers on a flat solid surface lacking cell-cell and cell-matrix interactions. These experimental conditions deviate from the clinical situation. Improved experimental systems that can mimic the in vivo situation are required to discover new therapies, particularly for anti-angiogenic agents that mainly target intercellular factors and play an essential role in treating some cancers...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28507934/the-challenges-of-recombinant-endostatin-in-clinical-application-focus-on-the-different-expression-systems-and-molecular-bioengineering
#4
REVIEW
Abbas Mohajeri, Sarvin Sanaei, Farhad Kiafar, Amir Fattahi, Majid Khalili, Nosratollah Zarghami
Angiogenesis plays an essential role in rapid growing and metastasis of the tumors. Inhibition of angiogenesis is a putative strategy for cancer therapy. Endostatin (Es) is an attractive anti-angiogenesis protein with some clinical application challenges including; short half-life, instability in serum and requirement to high dosage. Therefore, production of recombinant endostatin (rEs) is necessary in large scale. The production of rEs is difficult because of its structural properties and is high-cost. Therefore, this review focused on the different expression systems that involved in rEs production including; mammalian, baculovirus, yeast, and Escherichia coli (E...
April 2017: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28502920/endostatin-as-a-biomarker-of-basement-membrane-degradation
#5
Yasufumi Sato
No abstract text is available yet for this article.
May 15, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28499239/effect-of-recombinant-human-endostatin-on-hypertrophic-scar-fibroblast-apoptosis-in-a-rabbit-ear-model
#6
Yong-Fang Gong, Xiao-Ming Zhang, Jian Yu, Tian-Yu Huang, Zhen-Zhen Wang, Fei Liu, Xue-Ying Huang
Hypertrophic scar (HS) is a dermal fibroproliferative disorder characterized by the excessive proliferation of fibroblasts and is thought to result from a cellular imbalance caused by the increased growth and reduced apoptosis of hypertrophic scar fibroblasts (HSFs). Our recent study demonstrated that recombinant human endostatin (rhEndostatin) plays a key role in the inhibition of HSF proliferation in vitro, with a resulting decrease in dermal thickness and scar hypertrophy. However, the effect of this protein on HSF apoptosis is unknown...
May 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28494191/biomarker-for-early-renal-microvascular-and-diabetic-kidney-diseases
#7
Narisa Futrakul, Prasit Futrakul
Recognition of early stage of diabetic kidney disease, under common practice using biomarkers, namely microalbuminuria, serum creatinine level above 1 mg/dL and accepted definition of diabetic kidney disease associated with creatinine clearance value below 60 mL/min/1.73 m(2), is unlikely. This would lead to delay treatment associated with therapeutic resistance to vasodilator due to a defective vascular homoeostasis. Other alternative biomarkers related to the state of microalbuminuria is not sensitive to screen for early diabetic kidney disease (stages I, II)...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28482412/-clinical-effect-of-transcatheter-arterial-chemoembolization-combined-with-recombinant-human-endostatin-in-treatment-of-primary-liver-cancer-with-portal-vein-tumor-thrombus
#8
W Li, X G Yang, G H Xu, S Zhou, S L Jiang
No abstract text is available yet for this article.
March 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28454220/efficacy-of-pegr-1-endostatin-combined-with-ionizing-radiation-on-hypoxic-conditions-in-nude-mice-bearing-skov3-ovarian-carcinoma
#9
Yong-Chun Zhang, Xiu-Mei Li, Zhuang Yu, Xiao-Li Shi, Yong Li, Wan-Lin Wang
Hypoxia occurs in a wide range of solid tumors, and is strongly associated with radio-resistance of malignant tumors. The aim of the present study was to investigate the effect of endostatin combined with ionizing radiation (IR) on hypoxic conditions. A total of 24 mice bearing SKOV3 ovarian carcinoma were divided into three groups. Following injection with pEgr-1-endostatin plasmid for 12 h, the mice in the endostatin-IR-treated group were exposed to 300 cGy/min X-ray for 48 h, and the IR-treated group was exposed to the same condition...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28451402/efficacy-and-safety-of-antitumor-agents-plus-radiotherapy-compared-with-radiotherapy-alone-for-brain-metastases-from-lung-cancer
#10
Heng Lin, Shuimei Luo, Lina Li, Sijing Zhou, Ruifen Shen, Haitao Yang, Yupeng Wu, Xianhe Xie
The present study aimed to investigate the efficacy and safety of different therapeutic regimens for brain metastases (BMs) from lung cancer (LC). A total of 13 controlled trials (1,783 cases) involving chemotherapy, tyrosine kinase inhibitors or endostatin plus radiotherapy (combination group) vs. radiotherapy alone group were identified from PubMed. Compared with the radiotherapy alone group, the combination group resulted in a significant benefit for objective response rate (ORR) [risk ratio (RR), 1.38; 95% confidence interval (CI), 1...
March 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28428451/the-relation-between-serum-endostatin-level-and-carotid-atherosclerosis-in-healthy-residents-of-japan-results-from-the-kyushu-and-okinawa-population-study-kops
#11
Yoshifumi Kato, Norihiro Furusyo, Yuuki Tanaka, Takatsugu Ueyama, Sho Yamasaki, Masayuki Murata, Jun Hayashi
AIM: To examine the association between the serum endostatin levels and subclinical atherosclerosis independent of traditional risk factors in a healthy Japanese population. METHODS: Among 1,057 residents who attended free public physical examinations between 2010 and 2011, we evaluated the data of 648 healthy residents for whom the serum endostatin level and common carotid intima-media thickness (IMT) were successfully measured. RESULTS: The median endostatin level was 63...
April 20, 2017: Journal of Atherosclerosis and Thrombosis
https://www.readbyqxmd.com/read/28425077/unexpected-and-striking-effect-of-heparin-free-dialysis-on-cytokine-release
#12
Alicja Rydzewska-Rosolowska, Joanna Gozdzikiewicz-Lapinska, Jacek Borawski, Ewa Koc-Zorawska, Michal Mysliwiec, Beata Naumnik
Heparin (both unfractionated and low molecular weight) is not only a potent anticoagulant but also has many pleiotropic effects, some of which are mediated by cytokine release. We compared the effect of hemodialysis (HD) with enoxaparin as an anticoagulant and without systemic anticoagulation (heparin-grafted membrane-Evodial) on the release of monocyte chemoattractant protein 1 (MCP-1), endostatin (ES) and activin A (Act-A). Nineteen stable HD patients were dialyzed with or without heparin, and plasma levels of MCP-1, ES and Act-A were measured after such a dialysis...
April 19, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28401019/a-tumor-vessel-targeting-fusion-protein-elicits-a-chemotherapeutic-bystander-effect-in-pancreatic-ductal-adenocarcinoma
#13
Chun-Te Chen, Yi-Chun Chen, Yi Du, Zhenbo Han, Haoqiang Ying, Richard R Bouchard, Jennifer L Hsu, Jung-Mao Hsu, Trevor M Mitcham, Mei-Kuang Chen, Hui-Lung Sun, Shih-Shin Chang, Donghui Li, Ping Chang, Ronald A DePinho, Mien-Chie Hung
Pancreatic ductal adenocarcinoma (PDAC) is a highly lethal disease characterized by a prominent desmoplastic stroma that may constrain tumor progression but also limit the access of therapeutic drugs. In this study, we explored a tumor-targeting strategy that enlists an engineered anti-angiogenic protein consisting of endostatin and cytosine deaminase linked to uracil phosphoribosyltransferase (EndoCD). This protein selectively binds to tumor vessels to compromise tumor angiogenesis and converts the non-toxic 5-fluorocytosine (5-FC) to the cytotoxic 5-fluorouracil to produce a chemotherapeutic bystander effect at the pancreatic tumor site...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28361263/serum-biomarkers-of-myocardial-remodeling-and-coronary-dysfunction-in-early-stages-of-hypertrophic-cardiomyopathy-in-the-young
#14
E Fernlund, T Gyllenhammar, R Jablonowski, M Carlsson, A Larsson, J Ärnlöv, P Liuba
Hypertrophic cardiomyopathy (HCM) remains the leading cause of sudden cardiac death in the young. Early markers for HCM are important to identify individuals at risk. The aim of this study was to investigate novel serum biomarkers reflecting myocardial remodeling, microfibrosis, and vascular endotheliopathy in the early stages of familial HCM in young patients. Twenty-three HCM patients, 16 HCM-risk individuals, and 66 controls (median 15 years) underwent echocardiography and serum analysis for cathepsin S, endostatin, myostatin, type I collagen degradation marker (ICTP), matrix metalloproteinase (MMP)-9, vascular endothelial growth factor receptor (VEGFR)-1, and vascular and intercellular adhesion molecules (VCAM, ICAM)...
April 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28359413/limited-added-value-of-circulating%C3%A2-inflammatory-biomarkers-in%C3%A2-chronic-heart%C3%A2-failure
#15
Ståle H Nymo, Pål Aukrust, John Kjekshus, John J V McMurray, John G F Cleland, John Wikstrand, Pieter Muntendam, Ursula Wienhues-Thelen, Roberto Latini, Erik Tandberg Askevold, Jørgen Gravning, Christen P Dahl, Kaspar Broch, Arne Yndestad, Lars Gullestad, Thor Ueland
OBJECTIVES: This study sought to evaluate whether a panel of biomarkers improved prognostication in patients with heart failure (HF) and reduced ejection fraction of ischemic origin using a systematized approach according to suggested requirements for validation of new biomarkers. BACKGROUND: Modeling combinations of multiple circulating markers could potentially identify patients with HF at particularly high risk and aid in the selection of individualized therapy...
April 2017: JACC. Heart Failure
https://www.readbyqxmd.com/read/28337358/gastric-cancer-and-angiogenesis-is-vegf-a-useful-biomarker-to-assess-progression-and-remission
#16
REVIEW
Filipa Macedo, Kátia Ladeira, Adhemar Longatto-Filho, Sandra F Martins
Gastric cancer (GC) has high mortality owing to its aggressive nature. Tumor angiogenesis plays an essential role in the growth, invasion, and metastatic spread of GC. The aim of this work was to review the angiogenic biomarkers related to the behavior of GC, documented in the literature. A search of the PubMed database was conducted with the MeSH terms: "Stomach neoplasms/blood [MeSH] or stomach neoplasms/blood supply [MeSH] and angiogenic proteins/blood [Major]". A total of 30 articles were initially collected, and 4 were subsequently excluded...
March 2017: Journal of Gastric Cancer
https://www.readbyqxmd.com/read/28193190/enhanced-expression-of-vastatin-inhibits-angiogenesis-and-prolongs-survival-in-murine-orthotopic-glioblastoma-model
#17
Yi Li, Jun Li, Yat Ming Woo, Zan Shen, Hong Yao, Yijun Cai, Marie Chia-Mi Lin, Wai Sang Poon
BACKGROUND: Antiangiogenic therapies are considered promising for the treatment of glioblastoma (GB). The non-collagenous C-terminal globular NC1 domain of type VIII collagen a1 chain, Vastatin, is an endogenous antiangiogenic polypeptide. Sustained enhanced expression of Vastatin was shown to inhibit tumour growth and metastasis in murine hepatocellular carcinoma models. In this study, we further explored the efficacy of Vastatin in the treatment of GB xenografts. METHOD: Treatment of Vastatin was carried out using a nanopolymer gene vector PEI600-CyD-Folate (H1)...
February 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28165807/preparation-of-endostatin-loaded-chitosan-nanoparticles-and-evaluation-of-the-antitumor-effect-of-such-nanoparticles-on-the-lewis-lung-cancer-model
#18
Rui-Lin Ding, Fang Xie, Yue Hu, Shao-Zhi Fu, Jing-Bo Wu, Juan Fan, Wen-Feng He, Yu He, Ling-Lin Yang, Sheng Lin, Qing-Lian Wen
The purpose of this study was to prepare ES-loaded chitosan nanoparticles (ES-NPs) and evaluate the antitumor effect of these particles on the Lewis lung cancer model. ES-NPs were prepared by a simple ionic cross-linking method. The characterization of the ES-NPs, including size distribution, zeta potential, loading efficiency and encapsulation efficiency (EE), was performed. An in vitro release test was also used to determine the release behavior of the ES-NPs. Cell viability and cell migration were assayed to detect the in vitro antiangiogenic effect of ES-NPs...
November 2017: Drug Delivery
https://www.readbyqxmd.com/read/28165672/controlled-release-of-an-endostatin-peptide-using-chitosan-nanoparticles
#19
Sanaz Ebrahimi Samani, Zahra Seraj, Hossein Naderimanesh, Khosro Khajeh, Ahmad Reza Esmaeili Rastaghi, Taher Droudi, Peirhosein Kolivand, Hadi Kazemi, S Mohsen Asghari
Whereas several anticancer peptides are in different stages of clinical development, their administration is limited by fast elimination from the systemic circulation. Peptide loading on nano-carriers can pave the way for their future application. We have recently indicated that a disulfide loop rather than a Zn-binding loop improves the antiangiogenic and antitumor activities of the N-terminal fragment of endostatin. In this study, chitosan nanoparticles (CS NPs) are used for the controlled release of the engineered peptide...
February 6, 2017: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/28155728/multi-scale-mathematical-modelling-of-tumour-growth-and-microenvironments-in-anti-angiogenic-therapy
#20
Yan Cai, Jie Zhang, Zhiyong Li
BACKGROUND: Angiogenesis, a process of generation of new blood vessels from the pre-existing vasculature, has been demonstrated to be a basic prerequisite for sustainable growth and proliferation of tumour. Anti-angiogenic treatments show normalization of tumour vasculature and microenvironment at least transiently in both preclinical and clinical settings. METHODS: In this study, we proposed a multi-scale mathematical model to simulate the dynamic changes of tumour microvasculature and microenvironment in response to anti-angiogenic drug endostatin (ES)...
December 28, 2016: Biomedical Engineering Online
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