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Tumor vascular normalization

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https://www.readbyqxmd.com/read/28732375/prognostic-role-of-long-noncoding-rna-zfas1-in-cancer-patients-a-systematic-review-and-meta-analysis
#1
Tian Lan, Xiong Lan, Guangcai Li, Zhen Zheng, Minghua Zhang, Faxiang Qin
Long noncoding RNA ZFAS1 has been identified as a crucial role in the tumorigenesis of malignant tumors. Numerous studies reported that the expression levels of ZFAS1 in tumor tissues were dramatically higher than that in adjacent normal tissues. We conducted a meta-analysis to investigate the correlation between ZFAS1 expression and clinical outcomes of cancer patients. The databases of PubMed, EMBASE, Web of Science, Cochrane Library, CNKI and WanFang were retrieved for eligible studies. A total of 841 patients from 9 studies were eventually included...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28731079/a-polymeric-temozolomide-nanocomposite-against-orthotopic-glioblastoma-xenograft-tumor-specific-homing-directed-by-nestin
#2
Suma Prabhu, Jayant Sastri Goda, Srinivas Mutalik, Bhabani Shankar Mohanty, Pradip Chaudhari, Sharada Rai, Nayanabhirama Udupa, Bola Sadashiva Satish Rao
The development of effective therapeutic strategies for glioblastoma faces challenges such as modulating the blood brain barrier (BBB) for drug influx and selectively targeting tumor cells. Nanocarrier drug delivery strategies are functionalized to enhance vascular permeability. We engineered superparamagnetic iron oxide nanoparticle (SPION) based polymeric nanocomposites (84.37 ± 12.37 nm / 101.56 ± 7.42 nm) embedding temozolomide (TMZ) targeted against glioblastoma by tagging an antibody against nestin, a stem cell marker, and transferrin / polysorbate-80 to permeate the BBB...
July 21, 2017: Nanoscale
https://www.readbyqxmd.com/read/28730545/platelet-first-responders-in-wound-response-cancer-and-metastasis
#3
REVIEW
David G Menter, Scott Kopetz, Ernest Hawk, Anil K Sood, Jonathan M Loree, Paolo Gresele, Kenneth V Honn
Platelets serve as "first responders" during normal wounding and homeostasis. Arising from bone marrow stem cell lineage megakaryocytes, anucleate platelets can influence inflammation and immune regulation. Biophysically, platelets are optimized due to size and discoid morphology to distribute near vessel walls, monitor vascular integrity, and initiate quick responses to vascular lesions. Adhesion receptors linked to a highly reactive filopodia-generating cytoskeleton maximizes their vascular surface contact allowing rapid response capabilities...
July 20, 2017: Cancer Metastasis Reviews
https://www.readbyqxmd.com/read/28729397/the-igf1r-insr-inhibitor-bi-885578-selectively-inhibits-growth-of-igf2-overexpressing-colorectal-cancer-tumors-and-potentiates-the-efficacy-of-anti-vegf-therapy
#4
Michael P Sanderson, Marco H Hofmann, Pilar Garin-Chesa, Norbert Schweifer, Andreas Wernitznig, Stefan Fischer, Astrid Jeschko, Reiner Meyer, Jurgen Moll, Thomas Pecina, Heribert Arnhof, Ulrike Weyer-Czernilofsky, Stephan K Zahn, Günther R Adolf, Norbert Kraut
Clinical studies of pharmacological agents targeting the insulin like growth factor (IGF) pathway in unselected cancer patients have so far demonstrated modest efficacy outcomes, with objective responses being rare. As such, the identification of selection biomarkers for enrichment of potential responders represents a high priority for future trials of these agents. Several reports have described high IGF2 expression in a subset of colorectal cancers (CRC), with focal IGF2 amplification being responsible for some of these cases...
July 20, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28726321/the-prevalence-of-transpancreatic-common-hepatic-artery-and-coexisting-variant-anatomy
#5
Kousei Ishigami, Akihiro Nishie, Yoshiki Asayama, Yasuhiro Ushijima, Yukihisa Takayama, Daisuke Okamoto, Nobuhiro Fujita, Tomoharu Yoshizumi, Norifumi Harimoto, Takao Ohtsuka, Kohei Nakata, Hiroshi Honda
PURPOSE: We studied the prevalence of the transpancreatic common hepatic artery (tp-CHA) and coexisting variant anatomy. MATERIALS AND METHODS: The study group comprised 788 consecutive liver transplant donor candidates who had undergone thin-section multidetector-row computed tomography (MDCT) studies to investigate vascular anatomy. Multiplanar reformatted (MPR) images obtained from the arterial phase were retrospectively reviewed to assess the presence/absence of the tp-CHA...
July 20, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28726134/non-functioning-parathyroid-carcinoma-a-case-report
#6
Nobuyasu Suganuma, Hiroyuki Iwasaki, Satoru Shimizu, Tatsuya Yoshida, Takashi Yamanaka, Izumi Kojima, Haruhiko Yamazaki, Soji Toda, Hirotaka Nakayama, Katsuhiko Masudo, Yasushi Rino, Kae Kawachi, Yohei Miyagi, Akio Miyake, Kenichi Ohashi, Munetaka Masuda
BACKGROUND: Non-functioning parathyroid carcinoma is a rare disease that is difficult to distinguish from other diseases based on the lack of hyperparathyroidism. This is a report of non-functioning parathyroid carcinoma diagnosed by reverse transcription polymerase chain reaction (RT-PCR) targeting parathyroid hormone (PTH) messenger RNA. CASE PRESENTATION: The patient is a 67-year-old male who visited our hospital for the chief complaint of hoarseness. A 5-cm mass was observed in the right lobe of the thyroid gland, and poorly differentiated thyroid carcinoma was suspected according to the fine-needle biopsy results...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28721902/permeability-of-brain-tumor-vessels-induced-by-uniform-or-spatially-microfractionated-synchrotron-radiation-therapies
#7
Audrey Bouchet, Marine Potez, Nicolas Coquery, Claire Rome, Benjamin Lemasson, Elke Bräuer-Krisch, Chantal Rémy, Jean Laissue, Emmanuel L Barbier, Valentin Djonov, Raphael Serduc
PURPOSE: To compare the blood-brain barrier permeability changes induced by synchrotron microbeam radiation therapy (MRT, which relies on spatial fractionation of the incident x-ray beam into parallel micron-wide beams) with changes induced by a spatially uniform synchrotron x-ray radiation therapy. METHODS AND MATERIALS: Male rats bearing malignant intracranial F98 gliomas were randomized into 3 groups: untreated, exposed to MRT (peak and valley dose: 241 and 10...
August 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28716167/osteopontin-induced-vascular-endothelial-growth-factor-production-in-dispersed-nasal-polyp-cells-through-the-phosphatidylinositol-3-kinase-protein-kinase-b-and-the-extracellular-signal-regulated-kinase-1-2-pathways
#8
Jingdong Du, Huadong Mao, Hong Ouyang, Yan Xin
BACKGROUND: Osteopontin (OPN) is involved in cell survival, migration, and angiogenesis. The role of OPN in inducing angiogenesis in tumor has been confirmed. In this study, we investigated the expression of OPN in patients with chronic rhinosinusitis (CRS) with nasal polyp (NP) and the relationship of OPN with vascular endothelial growth factor (VEGF) production. METHODS: We enrolled 45 subjects with CRS (25 with CRS with NPs [CRSwNP] and 20 subjects with CRS without NPs [CRSsNP]), and with 14 normal controls to determine the expression of OPN and VEGF...
July 1, 2017: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/28714365/conjugation-of-gold-nanoparticles-and-recombinant-human-endostatin-modulates-vascular-normalization-via-interruption-of-anterior-gradient-2-mediated-angiogenesis
#9
Fan Pan, Wende Yang, Wei Li, Xiao-Yan Yang, Shuhao Liu, Xin Li, Xiaoxu Zhao, Hui Ding, Li Qin, Yunlong Pan
Several studies have revealed the potential of normalizing tumor vessels in anti-angiogenic treatment. Recombinant human endostatin is an anti-angiogenic agent which has been applied in clinical tumor treatment. Our previous research indicated that gold nanoparticles could be a nanoparticle carrier for recombinant human endostatin delivery. The recombinant human endostatin-gold nanoparticle conjugates normalized vessels, which improved chemotherapy. However, the mechanism of recombinant human endostatin-gold nanoparticle-induced vascular normalization has not been explored...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28714226/extranasopharyngeal-angiofibroma-revisited
#10
Jochen P Windfuhr, Julia Vent
BACKGROUND: Angiofibromas in the head and neck region usually arise in the nasopharynx, but may also occur elsewhere. This study aims at evaluating the incidence and clinical features of extranasopharyngeal angiofibroma (ENA). MATERIAL AND METHODS: Systematic review of the literature (Medline(®) and Google(™) ) up to December 31(st) , 2015. RESULTS: 174 cases of ENA were retrieved from a total of 170 publications. In contrast to former publications and previous understanding, the nasal septum was by far the most common site of the disease...
July 17, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28714025/effect-of-ccl2-sirna-on-proliferation-and-apoptosis-in-the-u251-human-glioma-cell-line
#11
Bin Lu, Yue Zhou, Zhongzhou Su, Ai Yan, Peng Ding
Glioma is one of the most common types of tumor of the central nervous system. Increased expression of C‑C motif chemokine 2 (CCL2) has previously been observed in various types of cancer. The effect of CCL2 small interfering (si)RNA on the proliferation, angiogenesis and apoptosis of the glioma cell line U251 was investigated in the present study. Data on CCL2 expression in glioma and normal tissues were obtained from The Cancer Genome Atlas. A total of 30 patients with glioma were enrolled in the present study...
July 15, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28712408/-dectection-of-g3bp-and-cd44v6-in-the-tissues-of-laryngeal-squamous-cell-carcinoma-and-their-clinical-significance
#12
Dahu Luo, Weihua Lou
Objective To study the expressions of RNA-binding Ras-GAP SH3 binding protein (G3BP) and tumor stem cell marker CD44v6 in laryngeal squamous cell carcinoma and their correlations with angiogenesis. Methods We collected the cancer tissues and corresponding paracancerous tissues from 56 patients with laryngeal squamous cell carcinoma. The expressions of G3BP and CD44v6 proteins were detected by Western blotting in cancer tissues and corresponding paracancerous tissues; the expressions of G3BP, CD44v6 and vascular endothelial growth factor A (VEGF-A) were tested by immunohistochemistry...
July 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28711724/neurotrophic-and-inflammatory-markers-in-bipolar-disorder-a-prospective-study
#13
Seline van den Ameele, Violette Coppens, Jeroen Schuermans, Peter De Boer, Maarten Timmers, Erik Fransen, Bernard Sabbe, Manuel Morrens
Altered neurotrophic signaling is thought to impair neuroplasticity in bipolar disorder (BD). Brain-derived neurotrophic factor (BDNF) is proposed as a neurotrophic marker in BD. However, the current evidence for its use in monitoring disease activity and illness progression is conflicting and an exploration of additional neurotrophic markers is needed. This prospective case-control study investigated mood-specific changes in potential neurotrophic markers and their association to inflammatory activity. Patients with BD were included during an acute mood episode, either depressive (n=35) or (hypo)manic (n=32)...
July 5, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28709411/rho-kinase-proteins-display-aberrant-upregulation-in-vascular-tumors-and-contribute-to-vascular-tumor-growth
#14
Clarissa N Amaya, Dianne C Mitchell, Brad A Bryan
BACKGROUND: The serine/threonine protein kinases ROCK1 and 2 are key RhoA-mediated regulators of cell shape and cytoskeletal dynamics. These proteins perform multiple functions in vascular endothelial cell physiology and are attractive targets for cancer therapy based on their roles as oncogenes and metastatic promoters. Given their critical functions in both of these processes, we hypothesized that molecular targeting of ROCK proteins would be exceedingly effective against vascular tumors such as hemangiomas and angiosarcomas, which are neoplasms composed of aberrant endothelial cells...
July 14, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28708658/condyle-head-reimplantation-combined-with-vascularized-free-flap-for-mandibular-reconstruction
#15
Jun-Yi Zhu, Hai-Xiao Zou, Hui-Min Li, Wei Wang, Jun Jia
Due to the anatomic and functional complexity, reconstruction of the condylar process after mandibular tumor extirpation remains a surgical challenge. The aim of this study was to present the results and experience of condyle head reimplantation combined with vascularized free flap for mandibular reconstruction in our institution. In the current study, the authors evaluated the clinical features of condyle head reimplantation combined with vascularized free flap for mandibular reconstruction in 5 patients with benign mandibular intraosseous lesions from December 2013 to March 2015 in our institution...
July 13, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28707601/potential-role-of-natural-compounds-as-anti-angiogenic-agents-in-cancer
#16
Muthu K Shanmugam, Sudha Warrier, Alan Prem Kumar, Gautam Sethi, Frank Arfuso
BACKGROUND: Neovascularization, also known as angiogenesis, is the process of capillary sprouting from pre-existing blood vessels. This physiological process is a hallmark event in normal embryonic development as blood vessels generally supply both oxygen and nutrients to the cells of the body. Any disruption in this process can lead to the development of various chronic diseases, including cancer. In cancer, aberrant angiogenesis plays a prominent role in maintaining sustained tumor growth to malignant phenotypes and promoting metastasis...
July 12, 2017: Current Vascular Pharmacology
https://www.readbyqxmd.com/read/28706280/radiation-induced-changes-in-the-glycome-of-endothelial-cells-with-functional-consequences
#17
Cyprien Jaillet, Willy Morelle, Marie-Christine Slomianny, Vincent Paget, Georges Tarlet, Valérie Buard, Sonia Selbonne, Fanny Caffin, Emilie Rannou, Pierre Martinez, Agnès François, François Foulquier, Fabrice Allain, Fabien Milliat, Olivier Guipaud
As it is altered by ionizing radiation, the vascular network is considered as a prime target in limiting normal tissue damage and improving tumor control in radiation therapy. Irradiation activates endothelial cells which then participate in the recruitment of circulating cells, especially by overexpressing cell adhesion molecules, but also by other as yet unknown mechanisms. Since protein glycosylation is an important determinant of cell adhesion, we hypothesized that radiation could alter the glycosylation pattern of endothelial cells and thereby impact adhesion of circulating cells...
July 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28700359/human-colorectal-cancer-cells-induce-vascular-smooth-muscle-cell-apoptosis-in-an-exocrine-manner
#18
Wei-Wei Li, Hai-Yue Wang, Xi Nie, Ya-Bin Liu, Mei Han, Bing-Hui Li
Tumor vessels often lack the smooth muscle layer, and the instability is conducive to tumor invasion and metastasis. The effect of tumor microenvironment on vascular smooth muscle cells needs to be explored. In the present study, we examined the density of the tumor vessels in human colorectal cancer tissues, and used the tumor conditioned medium of human colorectal cancer HT29 cells to mimic the tumor microenvironment. We showed that the vessel density in colorectal cancer tissues increased, which displayed a decreased expression of smooth muscle α-actin, a specific marker of vascular smooth muscle cells and an attenuated or a discontinuous layer of vascular smooth muscle cells compared with the matched normal tissues...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28697655/functional-ulnar-nerve-paraganglioma-first-documented-occurrence-in-the-extremity-with-hitherto-undescribed-associated-extensive-glomus-cell-hyperplasia-and-tumorlet-formation
#19
Louis Tsun Cheung Chow, Michael Ho Ming Chan, Simon Kwok Chuen Wong
Extra-adrenal paraganglioma has never been described in the extremities. A 34-year-old woman complained of an enlarging mass in the right forearm for 18 months. Imaging showed a circumscribed vascular tumor attached to the ulnar nerve; biopsy revealed features of paraganglioma. The resected tumor consisted of zellballen pattern of chief cells staining positively for chromogranin with surrounding S100-positive sustentacular cells. The chief cells contained many neurosecretory granules and mitochondria, whereas the sustentacular cells contained a large amount of rough endoplasmic reticulum and some microfilaments...
July 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28695222/ratiometric-in-vivo-auditioning-of-targeted-silver-nanoparticles
#20
Kadri Toome, Anne-Mari A Willmore, Päärn Paiste, Allan Tobi, Kazuki N Sugahara, Kalle Kirsimäe, Erkki Ruoslahti, Gary B Braun, Tambet Teesalu
Attaching affinity ligands to nanoparticles (NPs) increases selectivity for targeting cells and tissues, and can result in improved sensitivity and reduced off-target toxicity in diagnostic and therapeutic systems. The decision over key features - NP size, shape, coating strategies and targeting ligands for clinical translation is often hampered by a lack of quantitative in vivo NP homing assays. Sensitive, internally controlled assays are needed which allow for quantitative comparisons (auditions) among various formulations of targeted NPs...
July 20, 2017: Nanoscale
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