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I V Chekhonin, O I Gurina, S A Cherepanov, M A Abakumov, K P Ionova, D K Zhigarev, A V Makarov, V P Chekhonin
We obtained the morphologically, cytofluorometrically, and functionally mature dendritic cells from rats that were pulsed with antigens of the C6 glioma tissue extract. The concentrations of angiogenesis antigens (VEGF, VEGFR-1, and VEGFR-2) and periglioma zone proteins (GFAP, connexin 43, and BSAT1) in the pulsing extract were measured by ELISA. Our results drove us to a conclusion that despite mature phenotype of pulsed dendritic cell, the antigenic composition of glioma tissue extracts should be modified...
October 26, 2016: Bulletin of Experimental Biology and Medicine
Rui Feng, Xiaotian Zhang, Sheng Yang
With the deeper research of the proliferation, invasion and metastasis mechanisms of the gastric cancer, targeted therapy has become a hot spot in this field. The exploration of targeted agents for gastric cancer is mainly concentrated upon the drugs that target human epidermal growth factor receptor (HER) family, the vascular endothelial growth factor (VEGF), the phosphatidylinositol 3-kinase-protein kinase/mammalian target of rapamycin (PI3K/mTOR) and the NF-κB signaling pathways. The targeted drugs relevant to HER family include the Cetuximab, Nimotuzumab, Matuzumab, Panitumumab and Erlotinib which are aimed at HER-1, the Trastuzumab, Pertuzumab and T-DM1 (trastuzumab emtansine) which are aimed at HER-2, and the Lapatinib and Afatinib which are the multi-target agents of HER...
October 25, 2016: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
M Agulnik, R L B Costa, M Milhem, A W Rademaker, B C Prunder, D Daniels, B T Rhodes, C Humphreys, S Abbinanti, L Nye, R Cehic, A Polish, C Vintilescu, T McFarland, K Skubitz, S Robinson, S Okuno, B A Van Tine
BACKGROUND: Soft tissue sarcomas (STSs) overexpress vascular endothelial growth factors (VEGF) and VEGF-receptors (VEGFR) activation have been associated with tumor aggressiveness. Tivozanib is a potent small molecule tyrosine kinase inhibitor against VEGFR1-3, with activity against PDGFRα/β and cKIT. The primary endpoint of this study was progression free survival (PFS) rate at 16 weeks. Secondary end points were overall survival (OS), response rate, safety and correlative studies...
October 22, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
Xunian Zhou, Grace Gar-Lee Yue, Minghua Liu, Zhili Zuo, Julia Kin-Ming Lee, Mingyue Li, Stephen Kwok-Wing Tsui, Kwok-Pui Fung, Handong Sun, Jianxin Pu, Clara Bik-San Lau
Eriocalyxin B (EriB), a natural ent-kaurane diterpenoid isolated from the plant Isodon eriocalyx var. laxiflora, has emerged as a promising anticancer agent. The effects of EriB on angiogenesis were explored in the present study. Here we demonstrated that the subintestinal vein formation was significantly inhibited by EriB treatment (10, 15 μM) in zebrafish embryos, which was resulted from the alteration of various angiogenic genes as shown in transcriptome profiling. In human umbilical vein endothelial cells, EriB treatment (50, 100 nM) could significantly block vascular endothelial growth factors (VEGF)-induced cell proliferation, tube formation, cell migration and cell invasion...
October 14, 2016: Oncotarget
A R L de Aquino, C F W Nonaka, C H P de Carvalho, C F Demeda, L B de Souza, L P Pinto
The purpose of this study was to evaluate the immunoexpression of vascular endothelial growth factor C (VEGF-C) and VEGF receptor 3 (VEGFR-3) and their correlation with intratumoural lymphatic density (ILD) and peritumoural lymphatic density (PLD) in metastatic and non-metastatic lower lip squamous cell carcinoma (LLSCC). Twenty-five LLSCC with regional nodal metastasis and 25 LLSCC without metastasis were selected. The percentages of VEGF-C and VEGFR-3 staining in each tumour core and at the deep invasive front were assessed...
October 10, 2016: International Journal of Oral and Maxillofacial Surgery
Hidenori Fujita, Akira Gomori, Yayoi Fujioka, Yuki Kataoka, Kenji Tanaka, Akihiro Hashimoto, Takamasa Suzuki, Kenjiro Ito, Tomonori Haruma, Hiromi Yamamoto-Yokoi, Naomoto Harada, Motomu Sakuragi, Nobuyuki Oda, Kenichi Matsuo, Masaki Inada, Kazuhiko Yonekura
Approximately 25-40% of patients with lung cancer show bone metastasis. Bone modifying agents reduce skeletal-related events (SREs), but they do not significantly improve overall survival. Therefore, novel therapeutic approaches are urgently required. In this study, we investigated the anti-tumor effect of TAS-115, a VEGFRs and HGF receptor (MET)-targeted kinase inhibitor, in a tumor-induced bone disease model. A549-Luc-BM1 cells, an osteo-tropic clone of luciferase-transfected A549 human lung adenocarcinoma cells (A549-Luc), produced aggressive bone destruction associated with tumor progression after intra-tibial (IT) implantation into mice...
2016: PloS One
M Moore, S Gill, T Asmis, S Berry, R Burkes, K Zbuk, T Alcindor, A Jeyakumar, T Chan, S Rao, J Spratlin, P A Tang, J Rothenstein, E Chan, J Bendell, F Kudrik, J Kauh, S Tang, L Gao, S R P Kambhampati, F Nasroulah, L Yang, N Ramdas, P Binder, E Strevel
BACKGROUND: Icrucumab and ramucirumab are recombinant human IgG1 monoclonal antibodies that bind VEGF receptors 1 and 2 (VEGFR-1 and -2), respectively. This randomized phase II study evaluated the antitumor activity and safety of icrucumab and ramucirumab each in combination with mFOLFOX-6 in patients with metastatic colorectal cancer after disease progression on first-line therapy with a fluoropyrimidine and irinotecan. PATIENTS AND METHODS: Eligible patients were randomly assigned to receive mFOLFOX-6 alone (mFOLFOX-6) or in combination with ramucirumab 8 mg/kg IV (RAM+mFOLFOX-6) or icrucumab 15 mg/kg IV (ICR+mFOLFOX-6) every 2 weeks...
October 11, 2016: Annals of Oncology: Official Journal of the European Society for Medical Oncology
Andrea Maria Mess, Ana Claudia Oliveira Carreira, Cláudia Marinovic de Oliveira, Paula Fratini, Phelipe Oliveira Favaron, Rodrigo da Silva Nunes Barreto, Christiane Pfarrer, Flávio Vieira Meirelles, Maria Angelica Miglino
Reproductive technologies are widely used in cattle, although many are associated with high-embryonic mortality, especially during early gestation, when the yolk sac undergoes macroscopic changes in structure. We hypothesized that vasculogenesis and angiogenesis are affected, thereby affecting embryonic and placental differentiation. To test this, we studied yolk sac development and gene expression of the vascular endothelial growth factor system (VEGF-A, VEGFR-1/Flt-1, VEGFR-2/KDR). Samples from Days 25 to 40/41 of pregnancy from control cattle (n = 8) and from pregnancies established with IVF, (n = 7) or somatic cell nuclear transfer/clones (n = 5) were examined by histology, immunohistochemistry, and quantitative reverse transcriptase PCR...
September 13, 2016: Theriogenology
Mingzhu Yin, Xia Li, Shu Tan, Huanjiao Jenny Zhou, Weidong Ji, Stefania Bellone, Xiaocao Xu, Haifeng Zhang, Alessandro D Santin, Ge Lou, Wang Min
Tumor-associated macrophages (TAMs) can influence ovarian cancer growth, migration, and metastasis, but the detailed mechanisms underlying ovarian cancer metastasis remain unclear. Here, we have shown a strong correlation between TAM-associated spheroids and the clinical pathology of ovarian cancer. Further, we have determined that TAMs promote spheroid formation and tumor growth at early stages of transcoelomic metastasis in an established mouse model for epithelial ovarian cancer. M2 macrophage-like TAMs were localized in the center of spheroids and secreted EGF, which upregulated αMβ2 integrin on TAMs and ICAM-1 on tumor cells to promote association between tumor cells and TAM...
October 10, 2016: Journal of Clinical Investigation
Alessio D'Alessio, Gabriella Proietti, Gina Lama, Filippo Biamonte, Libero Lauriola, Umberto Moscato, Angelo Vescovi, Annunziato Mangiola, Cristiana Angelucci, Gigliola Sica
The formation of new blood vessels represents a crucial event under both physiological and pathological circumstances. In this study, we evaluated by immunohistochemistry, and/or Western blotting and/or quantitative real time-PCR the expression of HIF1α, HIF2α, VEGF, VEGFR1 and VEGFR2 in surgical glioblastoma multiforme (GBM) and peritumoral tissue samples obtained from 50 patients as well as in cancer stem cells (CSCs) isolated from GBM (GCSCs) and peritumoral tissue (PCSCs) of 5 patients. We also investigated the contribution of both GCSCs and PCSCs on the behavior of endothelial cells (ECs) in vitro...
October 1, 2016: Oncotarget
Eun-Joo Jeon, Munkhtugs Davaatseren, Jin-Taek Hwang, Jae Ho Park, Haeng Jeon Hur, Ae Sin Lee, Mi Jeong Sung
In patients with inflammatory bowel disease (IBD), inflammation is induced and maintained by lymphangiogenesis and angiogenesis. 3,3'-Diindolylmethane (DIM) is a natural product formed in acidic conditions from indole-3-carbinol in cruciferous vegetables, and it is known for its chemotherapeutic activity. This study evaluated DIM's effects on angiogenesis, lymphangiogenesis, and inflammation in a mouse colitis model. Experimental colitis was induced in mice by administering 3% dextran sulfate sodium (DSS) via drinking water...
October 4, 2016: Journal of Agricultural and Food Chemistry
Hai-Tao Du, Ping Liu
The aim of the present study was to investigate the roles of matrix metalloproteinase 14 (MMP-14) in corneal inflammatory lymphangiogenesis. The expression of MMP-14 in vivo was detected by immunohistochemistry, reverse transcription-quantitative polymerase chain reaction (RT-qPCR) and western blot assays, under various corneal conditions. pCMV-MMP-14 or empty pCMV vectors were injected into mouse corneal stroma, 3 days after suture placement in a standard suture-induced inflammatory corneal neovascularization assay...
October 2016: Experimental and Therapeutic Medicine
Hai-Lang He, Dan Wang, Jie Tang, Xian-Mei Zhou, Jian-Xin Li, Ling Xu
Lung cancer is the leading cause of cancer-related deaths worldwide. Jin Fu Kang (JFK), an oral liquid prescription of Chinese herbal drugs, has been clinically available for the treatment of non-small cell lung cancer (NSCLC). Lymphangiogenesis is a primary event in the process of cancer development and metastasis, and the formation and migration of lymphatic endothelial cells (LECs) play a key role in the lymphangiogenesis. To assess the activity of stromal cell-derived factor-1 (SDF-1) and the coeffect of SDF-1 and vascular endothelial growth factor-C (VEGF-C) on the formation and migration of LECs and clarify the inhibitory effects of JFK on the LECs, the LECs were differentiated from CD34(+)/VEGFR-3(+) endothelial progenitor cells (EPCs), and JFK-containing serums were prepared from rats...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
Shotaro Maehana, Masaki Nakamura, Fumihiro Ogawa, Rimika Imai, Rei Murakami, Fumiaki Kojima, Masataka Majima, Hidero Kitasato
The vascular endothelial growth factor (VEGF) family has a key role in the formation of blood vessels and lymphatics. Among the members of this family, VEGF-C is one of the most important factors involved in lymphangiogenesis via binding with two receptors (vascular endothelial growth factor receptor-2 and -3: VEGFR-2 and VEGFR-3). Soluble VEGFR-2 (sVEGFR-2) has a role in maintaining the alymphatic state of the cornea associated with binding to VEGF-C, and selectively inhibits lymphangiogenesis but not angiogenesis...
September 30, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Po-Yuan Hsu, Edward Hsi, Tzu-Ming Wang, Ruey-Tay Lin, Yi-Chu Liao, Suh-Hang H Juo
Peripheral artery disease (PAD) is a manifestation of systemic atherosclerosis and conveys a significant health burden globally. Critical limb ischaemia encompasses the most severe consequence of PAD. Our previous studies indicate that microRNA let-7g prevents atherosclerosis and improves endothelial functions. This study aimed to investigate whether and how let-7g therapy may improve blood flow to ischaemic limbs. The present study shows that let-7g has multiple pro-angiogenic effects on mouse ischaemic limb model and could be a potential therapeutic agent for PAD...
October 3, 2016: Journal of Cellular and Molecular Medicine
Vasileios S Skouras, Charis Maragkos, Dimitra Grapsa, Konstantinos N Syrigos
Chemotherapy has reached a plateau in the efforts for survival improvement in non-small cell lung cancer (NSCLC). The growing knowledge of NSCLC molecular pathobiology has led to the development of new treatments that target specific tumor functions. Angiogenesis is a tumor function leading to the formation of new tumor vessels that are crucial for its survival. Although vascular endothelial growth factor (VEGF) plays a primary role in angiogenesis, the inhibition of the VEGF pathway with VEGF-receptor (VEGFR) tyrosine kinase inhibitors (TKIs) is associated with a modest survival benefit due to the development of resistance by the tumor that has been mainly attributed to the up-regulation of other stimulators of angiogenesis...
October 2016: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
Hani Al-Shareef, Shin-Ichiro Hiraoka, Noriaki Tanaka, Yosuke Shogen, Atsushi-Doksa Lee, Sanam Bakhshishayan, Mikihiko Kogo
Lymph node (LN) metastasis has been suggested as a major prognostic factor for oral cancer. Knockdown of the growth factors and receptors involved in these metastatic mechanisms could significantly reduce LN metastasis and improve the survival of oral cancer patients after treatment. The present study, therefore, aimed to evaluate the expression levels of the following growth factors and receptors in squamous cell carcinoma (SCC) of the tongue: the vascular endothelial growth factor (VEGF)‑C and VEGF‑D, which bind to the cell surface tyrosine kinase receptor VEGF receptor‑3 (VEGFR‑3); C‑C motif chemokine receptor 7 (CCR7); neuropilin (NRP)1 and NRP2; and semaphorin 3E (SEMA3E)...
September 21, 2016: Oncology Reports
Line Brøndum, Brita Singers Sørensen, Jesper Grau Eriksen, Lise Saksø Mortensen, Simon Lønbro, Jens Overgaard, Jan Alsner
OBJECTIVE: To assess the usability of archived plasma and serum by multiplex (Luminex) analysis of circulating proteins (analytes) by evaluating the day to day variation, the effect of several freeze-thaw cycles, and the influence of the media and choice of anticoagulant. METHODS: Nineteen analytes in plasma and serum from 86 head and neck cancer patients and 33 controls were evaluated: EGFR, leptin, OPN, VEGFR-1, VEGFR-2, IL-2, IL-13, PDGF-bb, TNF, PAI-1, SDF-1a, IL-4, IL-6, IL-8, eotaxin, G-CSF, VEGF, GRO-a, and HGF...
September 26, 2016: Scandinavian Journal of Clinical and Laboratory Investigation
Shinya Takahashi, Ryuta Kikuchi, Kimiharu Ambe, Toshihiro Nakagawa, Satoshi Takada, Takashi Ohno, Hiroki Watanabe
Type I diabetes, an autoimmune disease, induces insulin deficiency, which then disrupts vascular endothelial cell function, affecting blood and lymphatic vessels. Nitric oxide (NO) is an immune-induced destructive mediator in type I diabetes, and inhibition of its production promotes arteriosclerosis. In this study, lymphangiogenesis and expression of NO synthase (NOS) during the healing process after tooth extraction were investigated immunohistochemically in control (C57BL) and Akita mice as a diabetes model...
2016: Bulletin of Tokyo Dental College
Tsung-Hsuan Lai, Pi-Hui Wu, Wen-Bin Wu
Chemokines were known to participate in inflammation and angiogenesis but have been recently recognized to be involved in embryonic implantation and endometrium-related pathologies. Among these chemokines, the CXC chemokines, such as CXCL1, have potential roles to work as biomarkers to identify patients with uterine adenomyosis. In this study, human endometrial epithelial cells (HEECs) were derived from patients' endometrium with adenomyosis. The inductive effects of CXCL1 production by various mediators/growth factors were investigated in the HEECs...
September 3, 2016: Journal of Reproductive Immunology
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