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https://www.readbyqxmd.com/read/29134462/roles-of-fibroblast-activation-protein-and-hepatocyte-growth-factor-expressions-in-angiogenesis-and-metastasis-of-gastric-cancer
#1
Li-Ming Gao, Fang Wang, Yue Zheng, Zhan-Zhao Fu, Lei Zheng, Lan-Lan Chen
This study aims to explore the roles of fibroblast activation protein (FAP) and hepatocyte growth factor (HGF) expressions in the angiogenesis and metastasis of gastric cancer (GC). From May 2012 to December 2015, 110 GC patients who received surgical treatment in the First Hospital of Qinhuangdao were selected. The HGF and FAP expressions in 110 cases of GC, 130 cases of normal gastric mucosa and 115 cases of gastric ulcer were detected by streptavidin-perosidase (SP) method. Venous blood HGF level of GC patients was tested by enzyme-linked immunosorbent assay (ELISA)...
November 13, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29116484/suppression-of-glioblastoma-growth-and-angiogenesis-through-molecular-targeting-of-methionine-aminopeptidase-2
#2
Ming Lin, Xuyu Zhang, Bingjie Jia, Su Guan
Methionine aminopeptidases (MetAPs) have been pharmacologically linked to cell growth, angiogenesis, and tumor progression, which make it an attractive target for cancer therapy. We investigated MetAP2's biological role in glioblastoma (GBM), an aggressive tumor characterized by massive neovascularization. We examined the effect of anti-MetAP2 RNA interference on proliferation and angiogenesis in GBM cell line. The biological effects of MetAP2 knockdown were assessed by comparing the proliferation, tumorigenecity, and angiogenesis of parental cells and MetAP2 knockdown cells...
November 8, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29115583/unfavorable-effect-of-calcitriol-and-its-low-calcemic-analogs-on-metastasis-of-4t1-mouse-mammary-gland-cancer
#3
Artur Anisiewicz, Agata Pawlik, Beata Filip-Psurska, Eliza Turlej, Stanisław Dzimira, Magdalena Milczarek, Katarzyna Gdesz, Diana Papiernik, Joanna Jarosz, Dagmara Kłopotowska, Andrzej Kutner, Andrzej Mazur, Joanna Wietrzyk
Low vitamin D status is considered as a risk factor for breast cancer and has prognostic significance. Furthermore, vitamin D deficiency increases after adjuvant cancer therapy, which alters bone metabolism increasing the risk of osteoporosis. It is now postulated that vitamin D supplementation in breast cancer treatment delays the recurrence of cancer thereby extending survival. We evaluated the impact of calcitriol and its low-calcemic analogs, PRI‑2191 and PRI‑2205, on the tumor growth, angiogenesis, and metastasis of 4T1 mouse mammary gland cancer...
November 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29113316/efficacy-of-sub-threshold-focused-ultrasound-irradiation-against-pancreatic-cancer-xenografts-evaluated-using-magnetic-resonance-imaging
#4
Rui Wang, Qian Guo, Yini Chen, Yihui Gao, Lei Wu, Bing Hu, Lixin Jiang
We investigated the efficacy and optimal period for using magnetic resonance imaging (MRI) to detect effects of sub-threshold focused ultrasound (FUS) irradiation. Nude mice bearing pancreatic cancer xenografts were subjected to MRI and pathology examnation before, and 24 h, 48 h, 2 weeks after irradiation, which were used to evaluate therapeutic effects of FUS. Tumor volumes were lower post-treatment than control group (P < 0.05). The T1WI turbo spin echo (T1WI-TSE) sequence was similar signal before and after treatment...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29091298/the-mechanism-and-potential-targets-of-class-ii-hdacs-in-angiogenesis
#5
Fei Hou, Dandan Li, Honglian Yu, Qingsheng Kong
Angiogenesis refers to the new blood vessels deriving from the existing blood vessels, and it's a complex regulatory process. Angiogenesis is associated with the normal development of the body and tumor growth and migration. The imbalance of histone deacetylase, as an epigenetic modification, could induce the production of diseases, such as cancer, metabolic diseases, etc., and it also plays an important role in angiogenesis. Many researches indicate that class II HDACs nuclear shuttle and its phosphorylation are necessary for the diseases and the protection of the collective itself...
November 1, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29084210/zeb1-repressed-micrornas-inhibit-autocrine-signaling-that-promotes-vascular-mimicry-of-breast-cancer-cells
#6
E M Langer, N D Kendsersky, C J Daniel, G M Kuziel, C Pelz, K M Murphy, M R Capecchi, R C Sears
During normal tumor growth and in response to some therapies, tumor cells experience acute or chronic deprivation of nutrients and oxygen and induce tumor vascularization. While this occurs predominately through sprouting angiogenesis, tumor cells have also been shown to directly contribute to vessel formation through vascular mimicry (VM) and/or endothelial transdifferentiation. The extrinsic and intrinsic mechanisms underlying tumor cell adoption of endothelial phenotypes, however, are not well understood...
October 30, 2017: Oncogene
https://www.readbyqxmd.com/read/29075359/silencing-hoxd10-by-promoter-region-hypermethylation-activates-erk-signaling-in-hepatocellular-carcinoma
#7
Yulin Guo, Yaojun Peng, Dan Gao, Meiying Zhang, Weili Yang, Enqiang Linghu, James G Herman, François Fuks, Guanglong Dong, Mingzhou Guo
BACKGROUND: Hepatocellular carcinoma is the fifth most common malignancy and the third leading cause of cancer-related death worldwide. Dysregulation of HomeoboxD10 (HOXD10) was found to suppress or promote cancer progression in different cancer types. The function and regulation of HOXD10 remain unclear in human hepatocellular carcinoma (HCC). METHODS: Primary HCC samples (117), normal liver tissue samples (15), and 13 HCC cell lines (SNU182, SNU449, HBXF344, SMMC7721, Huh7, HepG2, LM3, PLC/PRF/5, BEL7402, SNU387, SNU475, QGY7703, and Huh1) were included in this study...
2017: Clinical Epigenetics
https://www.readbyqxmd.com/read/29057763/vasohibin-1-is-a-poor-prognostic-factor-of-ovarian-carcinoma
#8
Rikiya Sano, Naoki Kanomata, Soichiro Suzuki, Koichiro Shimoya, Yasufumi Sato, Takuya Moriya, Mitsuru Shiota
Vasohibin-1 (VASH1) is an identified negative feedback inhibitor of angiogenesis induced by vascular endothelial growth factor (VEGF) in vascular endothelial cells (ECs). Expression of VASH1 has been reported not only in ECs of normal tissue, but also in ECs surrounding malignant tumors. In malignant tumors, VASH1 is also gaining attention as a prognosis prediction marker. The aim of this study is to investigate the correlation between VASH1 expression and vascular-related factors and various clinicopathological outcomes in clinical cases of ovarian carcinoma...
October 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/29056023/-effects-of-improved-v-y-advancement-flap-with-major-artery-perforator-on-repairing-skin-and-soft-tissue-defects
#9
S T Zhou, M T Huang, J Z Zeng, P F Liang, M H Zhang
Objective: To explore the effect of improved V-Y advancement flap with major artery perforator on repairing several skin and soft tissue defects in whole body. Methods: From March 2015 to June 2017, 4 cases with pressure ulcer in sacrococcygeal region, 4 cases with pressure ulcer at ischial tuberosity, 2 cases with scalp and skull defects at occiput, 1 case with secondary wound after tumor resection in axillary region, and 2 cases with skin and soft tissue defects caused by other trauma were hospitalized, with disease duration ranging from 1 week to 6 months...
October 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/29050261/alpha-linolenic-acid-stabilizes-hif-1-%C3%AE-and-downregulates-fasn-to-promote-mitochondrial-apoptosis-for-mammary-gland-chemoprevention
#10
Subhadeep Roy, Atul Kumar Rawat, Shreesh Raj Sammi, Uma Devi, Manjari Singh, Swetlana Gautam, Rajnish Kumar Yadav, Jitendra Kumar Rawat, Lakhveer Singh, Mohd Nazam Ansari, Abdulaziz S Saeedan, Rakesh Pandey, Dinesh Kumar, Gaurav Kaithwas
Alpha linolenic acid is an essential polyunsaturated fatty acid and is reported to have the anti-cancer potential with no defined hypothesis or mechanism/s. Henceforth present study was in-quested to validate the effect of alpha linolenic acid on mitochondrial apoptosis, hypoxic microenvironment and de novo fatty acid synthesis using in-vitro and in-vivo studies. The IC50 value of alpha linolenic acid was recorded to be 17.55μM against ER+MCF-7 cells. Treatment with alpha linolenic acid was evident for the presence of early and late apoptotic signals along with mitochondrial depolarization, when studied through acridine orange/ethidium bromide and JC-1 staining...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29042753/functional-and-morphological-effects-of-diazepam-and-midazolam-on-tumor-vasculature-in-the-9l-gliosarcoma-brain-tumor-model-using-dynamic-susceptibility-contrast-mri-a-comparative-study
#11
Nuo Yan, Yuzhen Zheng, Cheng Yang
Antiangiogenic therapy attenuates tumor growth by reducing vascularization. Diazepam (DZP) and midazolam (MZL) have antiangiogenic properties in human umbilical vein endothelial cells. Thus, we investigated the antiangiogenic activity of DZP and MZL in the rat 9L gliosarcoma brain tumor model. The effect on tumor vasculature was evaluated using dynamic susceptibility contrast magnetic resonance imaging with gradient-echo (GE) and spin-echo (SE) to assess perfusion parameters, including cerebral blood volume (CBV), cerebral blood flow (CBF), mean transit time (MTT), and mean vessel diameter...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/29038312/dynamic-stroma-reorganization-drives-blood-vessel-dysmorphia-during-glioma-growth
#12
Thomas Mathivet, Claire Bouleti, Matthias Van Woensel, Fabio Stanchi, Tina Verschuere, Li-Kun Phng, Joost Dejaegher, Marly Balcer, Ken Matsumoto, Petya B Georgieva, Jochen Belmans, Raf Sciot, Christian Stockmann, Massimiliano Mazzone, Steven De Vleeschouwer, Holger Gerhardt
Glioma growth and progression are characterized by abundant development of blood vessels that are highly aberrant and poorly functional, with detrimental consequences for drug delivery efficacy. The mechanisms driving this vessel dysmorphia during tumor progression are poorly understood. Using longitudinal intravital imaging in a mouse glioma model, we identify that dynamic sprouting and functional morphogenesis of a highly branched vessel network characterize the initial tumor growth, dramatically changing to vessel expansion, leakage, and loss of branching complexity in the later stages...
October 16, 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/29034063/targeting-orthotopic-gliomas-with-renal-clearable-luminescent-gold-nanoparticles
#13
Chuanqi Peng, Xiaofei Gao, Jing Xu, Bujie Du, Xuhui Ning, Shaoheng Tang, Robert M Bachoo, Mengxiao Yu, Woo-Ping Ge, Jie Zheng
A major clinical translational challenge in nanomedicine is the potential of toxicity associated with the uptake and long-term retention of non-degradable nanoparticles (NPs) in major organs. The development of inorganic NPs that undergo renal clearance could potentially resolve this significant biosafety concern. However, it remains unclear whether inorganic NPs that can be excreted by the kidneys remain capable of targeting tumors with poor permeability. Glioblastoma multiforme, the most malignant orthotopic brain tumor, presents a unique challenge for NP delivery because of the blood-brain barrier and robust blood-tumor barrier of reactive microglia and macroglia in the tumor microenvironment...
April 2017: Nano Research
https://www.readbyqxmd.com/read/29033580/the-influence-of-vascular-endothelial-growth-factor-a-and-matrix-metalloproteinase-2-and-9-in-angiogenesis-metastasis-and-prognosis-of-endometrial-cancer
#14
REVIEW
Anna M Mahecha, Hongbo Wang
Angiogenesis (the growth of new blood vessels) is essential in most of the body's physiological processes, such as in the normal functioning of the endometrium during and after the menstrual cycle. Vascular endothelial growth factor (VEGF) and matrix metalloproteinase (MMP) are the mostly expressed angiogenic factors, especially, during the process of endometrial degeneration and remodeling. In carcinogenesis, tumor hypoxia-induced factors, through the process of "angiogenic switch", stimulate the production of angiogenic factors, particularly VEGF and MMP...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29022485/prevalence-of-%C3%AE-iii-tubulin-tubb3-expression-in-human-normal-tissues-and-cancers
#15
Fermín Person, Waldemar Wilczak, Claudia Hube-Magg, Christoph Burdelski, Christina Möller-Koop, Ronald Simon, Mercedes Noriega, Guido Sauter, Stefan Steurer, Susanne Burdak-Rothkamm, Frank Jacobsen
Microtubules are multifunctional cytoskeletal proteins that are involved in crucial cellular roles including maintenance of cell shape, intracellular transport, meiosis, and mitosis. Class III beta-tubulin (βIII-tubulin, also known as TUBB3) is a microtubule protein, normally expressed in cells of neuronal origin. Its expression was also reported in various other tumor types, such as several types of lung cancer, ovarian cancer, and esophageal cancer. TUBB3 is of clinical relevance as overexpression has been linked to poor response to microtubule-targeting anti-cancer drugs such as taxanes...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28989000/use-of-18-f-fdg-pet-ct-imaging-to-determine-internal-mammary-lymph-node-location-for-radiation-therapy-treatment-planning-in-breast-cancer-patients
#16
Tima Davidson, Merav Ben-David, Shira Galper, Tess Haskin, Megan Howes, Roland Scaife, Nayroz Kanana, Uri Amit, Noam Weizman, Bar Chikman, Elinor Goshen, Simona Ben-Haim, Zvi Symon, Jeffrey Goldstein
PURPOSE: Adjuvant internal mammary lymph node (IMN) radiation is often delivered with 2-dimensional techniques that use anatomic landmarks and predetermined depths for field placement and dose specification. In contrast, 3-dimensional planning uses the internal mammary vessels (IMVs) to localize the IMNs for planning. Our purpose was to determine if localization of the involved IMN (i-IMN) by (18)F-labeled fluorodeoxyglucose positron emission tomography-computed tomography ((18)F-FDG PET-CT) offers opportunities to improve treatment...
November 5, 2016: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28987998/monitoring-and-targeting-anti-vegf-induced-hypoxia-within-the-viable-tumor-by-19-f-mri-and-multispectral-analysis
#17
Yunzhou Shi, Jason Oeh, Anna Hitz, Maj Hedehus, Jeffrey Eastham-Anderson, Franklin V Peale, Patricia Hamilton, Thomas O'Brien, Deepak Sampath, Richard A D Carano
The effect of anti-angiogenic agents on tumor oxygenation has been in question for a number of years, where both increases and decreases in tumor pO2 have been observed. This dichotomy in results may be explained by the role of vessel normalization in the response of tumors to anti-angiogenic therapy, where anti-angiogenic therapies may initially improve both the structure and the function of tumor vessels, but more sustained or potent anti-angiogenic treatments will produce an anti-vascular response, producing a more hypoxic environment...
November 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28982669/targeting-cx40-connexin40-expression-or-function-reduces-angiogenesis-in-the-developing-mouse-retina
#18
Jacques-Antoine Haefliger, Florent Allagnat, Lauriane Hamard, Loïc Le Gal, Paolo Meda, Denise Nardelli-Haefliger, Elisabeth Génot, Florian Alonso
OBJECTIVE: Cx40 (Connexin40) forms intercellular channels that coordinate the electric conduction in the heart and the vasomotor tone in large vessels. The protein was shown to regulate tumoral angiogenesis; however, whether Cx40 also contributes to physiological angiogenesis is still unknown. APPROACH AND RESULTS: Here, we show that Cx40 contributes to physiological angiogenesis. Genetic deletion of Cx40 leads to a reduction in vascular growth and capillary density in the neovascularization model of the mouse neonatal retina...
November 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28980818/acid-activatable-theranostic-unimolecular-micelles-composed-of-amphiphilic-star-like-polymeric-prodrug-with-high-drug-loading-for-enhanced-cancer-therapy
#19
Xiaoxiao Shi, Meili Hou, Shuang Bai, Xiaoqian Ma, Yong-E Gao, Bo Xiao, Peng Xue, Yuejun Kang, Zhigang Xu, Chang Ming Li
Stimuli-responsive nanomedicine with theranostic functionalities with reduced side-effects has attracted growing attention, although there are some major obstacles to overcome before clinical applications. Herein, we present an acid-activatable theranostic unimolecular micelles based on amphiphilic star-like polymeric prodrug to systematically address typical existing issues. This smart polymeric prodrug has a preferable size of about 35 nm and strong micellar stability in aqueous solution, which is beneficial to long-term blood circulation and efficient extravasation from tumoral vessels...
November 6, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28978894/dynamic-regulation-of-vascular-permeability-by-vascular-endothelial-cadherin-mediated-endothelial-cell-cell-junctions
#20
Seung-Sik Rho, Koji Ando, Shigetomo Fukuhara
Endothelial cells lining blood vessels regulate vascular barrier function, which controls the passage of plasma proteins and circulating cells across the endothelium. In most normal adult tissues, endothelial cells preserve basal vascular permeability at a low level, while they increase permeability in response to inflammation. Therefore, vascular permeability is tightly controlled by a number of extracellular stimuli and mediators to maintain tissue homeostasis. Accordingly, impaired regulation of endothelial permeability causes various diseases, including chronic inflammation, asthma, edema, sepsis, acute respiratory distress syndrome, anaphylaxis, tumor angiogenesis, and diabetic retinopathy...
2017: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
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