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Puyuan Xing, Xuezhi Hao, Xingsheng Hu, Yan Wang, Junling Li
BACKGROUND: Squamous cell carcinoma (SCC) is a common pathological type of non-small cell lung cancer, and advanced lung SCC is incurable. Chemotherapy combined with anti-angiogenesis agents can prolong the patients' survival time. The aim of the study was to analyze the efficacy and safety of recombinant human endostatin (Endostar) in treating advanced lung SCC. METHODS: We retrospectively analyzed the short-term efficacy and toxicity of recombinant human endostatin combined with traditional chemotherapy regimens in treating 15 advanced lung squamous cell carcinoma patients in Department of Medical Oncology retrospectively, Cancer Hospital, Chinese Academy of Medical Sciences from November 2011 to May 2015...
October 20, 2016: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
Sounik Saha, Xunhao Xiong, Prabir K Chakraborty, Khader Shameer, Rochelle R Arvizo, Rachel A Kudgus, Shailendra Kumar Dhar Dwivedi, Md Nazir Hossen, Elizabeth M Gillies, J David Robertson, Joel T Dudley, Raul A Urrutia, Russell G Postier, Resham Bhattacharya, Priyabrata Mukherjee
Altered tumor microenvironment (TME) arising from a bidirectional crosstalk between the pancreatic cancer cells (PCCs) and the pancreatic stellate cells (PSCs) is implicated in the dismal prognosis in pancreatic ductal adenocarcinoma (PDAC), yet effective strategies to disrupt the crosstalk is lacking. Here, we demonstrate that gold nanoparticles (AuNPs) inhibit proliferation and migration of both PCCs and PSCs by disrupting the bidirectional communication via alteration of the cell secretome. Analyzing the key proteins identified from a functional network of AuNP-altered secretome in PCCs and PSCs, we demonstrate that AuNPs impair secretions of major hub node proteins in both cell types and transform activated PSCs toward a lipid-rich quiescent phenotype...
October 19, 2016: ACS Nano
Young-Lan Park, Sun-Young Park, Seung-Hyun Lee, Rul-Bin Kim, Joong-Keun Kim, Sung-Yoon Rew, Dae-Seong Myung, Sung-Bum Cho, Wan-Sik Lee, Hyun-Soo Kim, Young-Eun Joo
Filamin A interacting protein 1-like (FILIP1L) expression, which is decreased in various cancers, may inhibit carcinogenesis. In this study, we evaluated the effects of FILIP1L on oncogenic behavior and prognosis in colorectal cancer. siRNA-mediated FILIP1L knockdown enhanced tumor cell migration and invasion and inhibited apoptosis and cell cycle arrest in COLO205 cells. pcDNA-myc vector-mediated FILIP1L overexpression suppressed tumor cell migration and invasion and induced apoptosis and cell cycle arrest in HCT116 cells...
October 14, 2016: Oncotarget
Ritva Heljasvaara, Mari Aikio, Heli Ruotsalainen, Taina Pihlajaniemi
Collagen XVIII is a ubiquitous basement membrane (BM) proteoglycan produced in three tissue-specific isoforms that differ in their N-terminal non-collagenous sequences, but share collagenous and C-terminal non-collagenous domains. The collagenous domain provides flexibility to the large collagen XVIII molecules on account of multiple interruptions in collagenous sequences. Each isoform has a complex multi-domain structure that endows it with an ability to perform various biological functions. The long isoform contains a frizzled-like (Fz) domain with Wnt-inhibiting activity and a unique domain of unknown function (DUF959), which is also present in the medium isoform...
October 13, 2016: Matrix Biology: Journal of the International Society for Matrix Biology
Qiu-Fang Gao, Xiu-Hong Zhang, Feng-Lai Yuan, Ming-Dong Zhao, Xia Li
Bone loss is a critical pathology responsible for the functional disability in patients with rheumatoid arthritis (RA). It is well known that receptor activator of nuclear factor kappa-B (NF-κB) ligand (RANKL) plays a crucial role in bone loss in RA. The purpose of this study was to determine whether recombinant human endostatin (rh-endostatin) mediates bone erosion in RA by regulation of RANKL expression in an experimental model of RA, consisting of mice with adjuvant-induced arthritis (AA). Cultured AA fibroblast-like synoviocytes (FLSs) obtained from these mice were induced by tumor necrosis factor-α (TNF-α) combined with or without rh-endostatin...
October 12, 2016: Cell Biology International
Peter A Campochiaro, Andreas K Lauer, Elliott H Sohn, Tahreem A Mir, Stuart Naylor, Matthew C Anderton, Michelle Kelleher, Richard Harrop, Scott Ellis, Kyriacos A Mitrophanous
Neovascular age-related macular degeneration (NVAMD) is a prevalent cause of vision loss. Intraocular injections of VEGF-neutralizing proteins provide benefit, but many patients require frequent injections for a prolonged period. Benefits are often lost over time due to lapses in treatment. New treatments that sustain anti-angiogenic activity are needed. This study tested the safety and expression profile of a lentiviral Equine Infectious Anemia Virus (EIAV) vector expressing endostatin and angiostatin (RetinoStat(®))...
September 26, 2016: Human Gene Therapy
Yang Yu, Yu-Yi Wang, Yi-Qin Wang, Xia Wang, Yan-Yang Liu, Jian-Tao Wang, Chi Du, Li Wang, Mei Li, Feng Luo, Ming Jiang
Antiangiogenic therapy is becoming a promising option for cancer treatment. However, many investigations have recently indicated that these therapies may have limited efficacy, and the cancers in most patients eventually develop resistance to these therapies. There is considerable recently acquired evidence for an association of such resistance with cancer stem-like cells (CSLCs). Here, we used xenograft tumor murine models to further suggest that antiangiogenic agents actually increase the invasive and metastatic properties of lung cancer cells...
October 5, 2016: Scientific Reports
Yong-Fang Gong, Xiao-Ming Zhang, Fei Liu, Zhen-Zhen Wang, Xue-Fei Deng, Yi Jiao, Xiao-Jing Li, Xue-Ying Huang
Hypertrophic scar (HS) is a pathological scar that particularly occurs after traumatic injuries, surgical procedures and burning. Abnormal activation of hypertrophic scar fibroblasts (HSFs) intensifies fibrosis during wound healing. Our previous studies demonstrated that recombinant human endostatin (rhEndostatin) prevented synovial thickening in adjuvant arthritis (AA) rats via inhibition of proliferation and enhancement of apoptosis in synovial fibroblasts. However, the effect of this protein on HSF proliferation is not known...
September 28, 2016: European Journal of Pharmacology
Reyhane Chamani, S Mohsen Asghari, Ali Mohammad Alizadeh, Kamran Mansouri, Taher Doroudi, Peir Hossein Kolivand, Hossein Ghafouri, Somayeh Ehtesham, Hanieh Rabouti, Faramarz Mehrnejad
The antiangiogenic and antitumor activities of the 27-amino acid fragment corresponding to the N-terminal domain of endostatin were shown to be dependent on a Zn-binding loop in the N-terminus. To investigate whether the regions outside of the N-terminal loop play a role in the peptide function, the structure and function of a variant containing Ile26Arg mutation (ES-R) were compared with those of the native peptide (ES-Zn). Structural analysis using far-UV CD, intrinsic fluorescence and molecular dynamics simulation provided information regarding the overall changes upon the mutation...
September 28, 2016: Biochimica et Biophysica Acta
Y Y Li, F Jin
No abstract text is available yet for this article.
October 1, 2016: International Journal of Radiation Oncology, Biology, Physics
Jing Liang, Xiaolin Liu, Qi Xie, Guoling Chen, Xingyu Li, Yanrui Jia, Beibei Yin, Xun Qu, Yan Li
OBJECTIVE: To investigate the antitumor effect of endostatin combined with tumor antigen-pulsed dendritic cell (DC)-T cell therapy on lung cancer. METHODS: Transplanted Lewis lung cancer (LLC) models of C57BL/6 mice were established by subcutaneous injection of LLC cells in left extremity axillary. Tumor antigen-pulsed DC-T cells from spleen cells and bone of mice were cultured in vitro. Tumor-bearing mice were randomly divided into three groups, including DC-T+endostatin group, DC-T group, and phosphate-buffered saline (PBS) control group...
August 2016: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
Di-Nuo Li, Liang Wang, Lei Wang, Shen Li, Yu-Bing Wang
OBJECTIVE: To explore the effects of recombinant human endostatin (endostar, ES) and cisplatin on the growth of gastric cancer-transplanted tumor in nude mice and the expression of microvessel density (MVD). METHODS: Human gastric cancer SGC-7901 cells were subcutaneously injected into the armpit of nude mice to prepare cancer-bearing nude mice. A total of 32 cancer-bearing nude mice were divided into four groups (each group with 8 mice). The four groups included control group and other three groups in which mice were treated with 5 mg/kg of ES (group E), 5 mg/kg of cisplatin (group Ci), and 5 mg/kg of ES combined with 5 mg/kg of cisplatin (group C), respectively...
September 2016: Cancer Biotherapy & Radiopharmaceuticals
Peng Wang, Li-Zhu Jiang, Bin Xue
BACKGROUND: Recombinant human endostatin (Endostar) has been widely used to suppress angiogenesis in carcinoma patients. Hypertrophic scar (HS) tissue, much like a carcinoma, is often associated with angiogenesis. However, there have been few studies conducted on the effects of Endostar on HS or its mechanism. OBJECTIVE: This paper investigated the effects Endostar on the HS of rabbit ears and studied the effects of Endostar on VEGF and TIMP-1 expression. METHODS: Sixteen New Zealand white rabbits were used to establish HS models...
June 2016: African Health Sciences
Yang Yu, Feng Sun, Congcong Zhang, Zhendong Wang, Jinfeng Liu, Haining Tan
Soluble O-(2-hydroxyl)propyl-3-trimethyl ammonium chitooligosaccharide chloride (HTCOSC) was covalently conjugated to the 11-amino-acid peptide derived from amino terminus of endostatin (endostatin2, ES2, IVRRADRAAVP) to overcome its poor stability, low cell affinity and instable activity. Nuclear magnetic resonance spectroscopy and mass spectrometry was used to study the structure and molecular weight information. The anti-angiogenic activities were evaluated using cell counting Kit-8 assay, flow cytometry assay, wounding migration assay, transwell migration assay, chicken chorioallantoic membrane (CAM) assay and zebra fish angiogenesis assay...
December 10, 2016: Carbohydrate Polymers
Yuying Zhang, Haitao Yuan, Yongle Sun, Yong Wang, Aihong Wang
The cardioprotective effects of moderate alcohol consumption and statins have been known for years. However, heavy or binge drinking confers a high risk of cardiovascular disease. This study aimed to investigate the effects of different levels of alcohol consumption on acute myocardial infarction that was induced experimentally in rats, with a focus on the potential mechanism of angiogenesis and the effects of statins on heavy drinking. The experimental rats were fed low-dose ethanol (0.5 g/kg/day), high-dose ethanol (5 g/kg/day), and high-dose ethanol with rosuvastatin (10 mg/kg/day) during the entire experiment...
August 2016: Alcohol
Lei Shi, Bin Yu, Chun-Hui Cai, Jian-Dong Huang
Despite of a growing number of bacterial species that apparently exhibit intrinsic tumor-targeting properties, no bacterium is able to inhibit tumor growth completely in the immunocompetent hosts, due to its poor dissemination inside the tumors. Oxygen and inflammatory reaction form two barriers and restrain the spread of the bacteria inside the tumors. Here, we engineered a Salmonella typhimurium strain named ST8 which is safe and has limited ability to spread beyond the anaerobic regions of tumors. When injected systemically to tumor-bearing immunocompetent mice, ST8 accumulated in tumors at levels at least 100-fold greater than parental obligate anaerobic strain ST4...
December 2016: AMB Express
Qing Qin, Juying Qian, Jianying Ma, Lei Ge, Junbo Ge
This study is aimed to investigate whether serum angiostatic factors (thrombospondin-1 [TSP-1] and endostatin) or angiogenic factors (angiopoietin-2 [Ang-2]) are related to coronary collateral vessel development in patients with chronic total occlusion (CTO).A total of 149 patients were enrolled in the study, and 39 patients with coronary artery disease but without significant stenosis were included in control group. In 110 patients with CTO lesion, 79 with Rentrop grades 2 to 3 collaterals were grouped as good collateral, while 31 with Rentrop grades 0 to 1 collaterals were grouped as poor collateral...
August 2016: Medicine (Baltimore)
Csaba Galambos, Angela D Minic, Douglas Bush, Dominique Nguyen, Blair Dodson, Gregory Seedorf, Steven H Abman
BACKGROUND AND AIMS: Infants with Down syndrome (DS) or Trisomy 21, are at high risk for developing pulmonary arterial hypertension (PAH), but mechanisms that increase susceptibility are poorly understood. Laboratory studies have shown that early disruption of angiogenesis during development impairs vascular and alveolar growth and causes PAH. Human chromosome 21 encodes known anti-angiogenic factors, including collagen18a1 (endostatin, ES), ß-amyloid peptide (BAP) and Down Syndrome Critical Region 1 (DSCR-1)...
2016: PloS One
Abbas Mohajeri, Yones Pilehvar-Soltanahmadi, Mohammad Pourhassan-Moghaddam, Jalal Abdolalizadeh, Pouran Karimi, Nosratollah Zarghami
PURPOSE: Recombinant human endostatin (rhEs) is an angiogenesis inhibitor which is used as a specific drug in the treatment of non-small-cell lung cancer. In the current research, we developed an efficient method for expressing soluble form of the rhEs protein in the periplasmic space of Escherichia coli via fusing with pelB signal peptide. METHODS: The human endostatin (hEs) gene was amplified using synthetic (hEs) gene as a template; then, cloned and expressed under T7 lac promoter...
June 2016: Advanced Pharmaceutical Bulletin
Wei Li, Xiaoxu Zhao, Bin Du, Xin Li, Shuhao Liu, Xiao-Yan Yang, Hui Ding, Wende Yang, Fan Pan, Xiaobo Wu, Li Qin, Yunlong Pan
Tumour vasculature is generally disordered because of the production of excessive angiogenic factors by tumour cells, which results in tumour progression and reduces the effectiveness of radiotherapy or chemotherapy. Transient anti-angiogenic therapies that regulate tumour vascular morphology and function and improve the efficiency of antitumour therapy are under investigation. Recombinant human endostatin (Endostar/rhES) is a vascular angiogenesis-disrupting agent that has been used to treat non-small cell lung cancer (NSCLC) in the clinical setting...
2016: Scientific Reports
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