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https://www.readbyqxmd.com/read/28938572/osthole-inhibits-bone-metastasis-of-breast-cancer
#1
Chunyu Wu, Zhenping Sun, Baofeng Guo, Yiyi Ye, Xianghui Han, Yuenong Qin, Sheng Liu
Bone is one of the most common sites for breast cancer metastasis, which greatly contributes to patient morbidity and mortality. Osthole, a major extract from Cnidium monnieri (L.), exhibits many biological and pharmacological activities, however, its potential as a therapeutic agent in the treatment of breast cancer bone metastases remain poorly understood. In this study, we set out to investigate whether osthole could inhibit breast cancer metastasis to bone in mice and clarified the potential mechanism of this inhibition...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938163/tumor-cell-targeted-delivery-of-crispr-cas9-by-aptamer-functionalized-lipopolymer-for-therapeutic-genome-editing-of-vegfa-in-osteosarcoma
#2
Chao Liang, Fangfei Li, Luyao Wang, Zong-Kang Zhang, Chao Wang, Bing He, Jie Li, Zhihao Chen, Atik Badshah Shaikh, Jin Liu, Xiaohao Wu, Songlin Peng, Lei Dang, Baosheng Guo, Xiaojuan He, D W T Au, Cheng Lu, Hailong Zhu, Bao-Ting Zhang, Aiping Lu, Ge Zhang
Osteosarcoma (OS) is a highly aggressive pediatric cancer, characterized by frequent lung metastasis and pathologic bone destruction. Vascular endothelial growth factor A (VEGFA), highly expressed in OS, not only contributes to angiogenesis within the tumor microenvironment via paracrine stimulation of vascular endothelial cells, but also acts as an autocrine survival factor for tumor cell themselves, thus making it a promising therapeutic target for OS. CRISPR/Cas9 is a versatile genome editing technology and holds tremendous promise for cancer treatment...
September 13, 2017: Biomaterials
https://www.readbyqxmd.com/read/28935021/-one-case-about-primary-pulmonary-squamous-cell-carcinoma-%C3%A2-with-retinal-metastasis
#3
Jinxia Liu, Xiqian Gao, Mindan Sun
Lung cancer is a common malignant tumor in clinic. Morbidity and mortality are the first place in cancer, which seriously threaten the health of human beings. Due to the lack of effective and specific screening methods, most patients were found already at an advanced stage, and often combined with bone, brain, liver, adrenal and other parts of the metastasis. Symptoms of patient resulted from the primary tumor, metastatic spread, or paraneoplastic syndrome commonly cause the medical attention. For the syndrome related to the distant metastatic spread as the first manifestation, diagnosis would be a challenge...
September 20, 2017: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/28934935/treatment-and-outcomes-of-tumor-induced-osteomalacia-associated-with-phosphaturic-mesenchymal-tumors-retrospective-review-of-12-patients
#4
Qing-Yao Zuo, Hong Wang, Wei Li, Xiao-Hui Niu, Yan-Hong Huang, Jia Chen, Yu-Hua You, Bao-Yue Liu, Ai-Min Cui, Wei Deng
BACKGROUND: Tumor-induced osteomalacia (TIO) is a rare paraneoplastic syndrome characterized by severe hypophosphatemia and osteomalacia. Nonspecific symptoms make the diagnosis elusive. In addition, locating the responsible tumor(s) is challenging. The aim of this study was to investigate the clinical management and outcomes of TIO. METHODS: The clinical features, diagnostic procedures, treatment, and outcomes of 12 patients were reviewed retrospectively. RESULTS: The cohort comprised six men and six women (mean age 45...
September 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28930982/development-of-a-human-preclinical-model-of-osteoclastogenesis-from-peripheral-blood-monocytes-co-cultured-with-breast-cancer-cell-lines
#5
Laura Mercatali, Chiara Spadazzi, Giacomo Miserocchi, Chiara Liverani, Alessandro De Vita, Alberto Bongiovanni, Federica Recine, Dino Amadori, Toni Ibrahim
The crosstalk between tumor cells and bone cells in the bone microenvironment is crucial to understanding the mechanism of bone metastasis formation. We developed an in vitro fully human preclinical model of a co-culture of breast cancer cells and monocytes undergoing differentiation towards osteoclasts. We optimized a model of osteoclastogenesis starting from a sample of peripheral blood collected from healthy donors. Peripheral blood mononuclear cells (PBMCs) were first separated by density gradient centrifugation, seeded at a high density and induced to differentiate by adding two growth factors (GFs): receptor activator of nuclear factor-κB ligand (RANKL) and macrophage colony-stimulating factor (MCSF)...
September 13, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28929029/association-of-rs1801157-single-nucleotide-polymorphism-of-cxcl12-gene-in-breast-cancer-in-pakistan-and-in-silico-expression-analysis-of-cxcl12-cxcr4-associated-biological-regulatory-network
#6
Samra Khalid, Rumeza Hanif
BACKGROUND: C-X-C chemokine ligand 12 (CXCL12) has important implications in breast cancer (BC) pathogenesis. It is selectively expressed on B and T lymphocytes and is involved in hematopoiesis, thymocyte trafficking, stem cell motility, neovascularization, and tumorigenesis. The single nucleotide polymorphism (SNP) rs1801157 of CXCL12 gene has been found to be associated with higher risk of BC. METHODS: Our study focuses on the genotypic and allelic distribution of SNP (rs1801157; G/A) in Pakistani population as well as its association with the clinico-pathological features...
2017: PeerJ
https://www.readbyqxmd.com/read/28928871/twisted-gastrulation-bmp-signaling-modulator-1-regulates-papillary-thyroid-cancer-cell-motility-and-proliferation
#7
Shujun Xia, Ri Ji, Yongmin Xu, Xiaofeng Ni, Yijie Dong, Weiwei Zhan
Bone morphogenetic proteins (BMPs) are growth factors that have important functions in cell proliferation, migration and differentiation. To date, BMP pathway activation has been found in multiple human tumors and is associated with enhanced malignant tumor growth and metastasis. BMP activity is tightly regulated by a family of soluble extracellular secreted BMP modulators. Twisted gastrulation BMP signaling modulator 1 (TWSG1) is a direct BMP regulator that is required for the full signaling activity of BMPs...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28928159/bmp4-induces-m2-macrophage-polarization-and-favors-tumor-progression-in-bladder-cancer
#8
Víctor G Martínez, Carolina Rubio, Mónica Martínez-Fernández, Cristina Segovia, Fernando López-Calderón, Marina Garín, Alicia Teijeira, Ester Munera-Maravilla, Alberto Varas, Rosa Sacedón, Felix Guerrero-Ramos, Felipe Villacampa, Federico de la Rosa, Daniel Castellano, Eduardo López-Collazo, Jesus M Paramio, Ángeles Vicente, Marta Dueñas
PURPOSE: Bladder cancer (BC) is a current clinical and social problem. At diagnosis, most patients present non-muscle invasive tumors, characterized by a high recurrence rate, which could progress to muscle invasive disease and metastasis. Bone morphogenetic protein (BMP)-dependent signaling arising from stromal bladder tissue mediates urothelial homeostasis by promoting urothelial cell differentiation. However, the possible role of BMP ligands in BC is still unclear. EXPERIMENTAL DESIGN: Tumor and normal tissue from 68 patients with urothelial cancer were prospectively collected and analyzed for expression of BMP and macrophage markers...
September 19, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28927931/polyurethane-foam-scaffold-as-in-vitro-model-for-breast-cancer-bone-metastasis
#9
Valentina Angeloni, Nicola Contessi, Cinzia De Marco, Serena Bertoldi, Maria Cristina Tanzi, Maria Grazia Daidone, Silvia Farè
Breast cancer (BC) represents the most incident cancer case in women (29%), with high mortality rate. Bone metastasis occurs in 20-50% cases and, despite advances in BC research, the interactions between tumor cells and the metastatic microenvironment are still poorly understood. In vitro 3D models gained great interest in cancer research, thanks to the reproducibility, the 3D spatial cues and associated low costs, compared to in vivo and 2D in vitro models. In this study, we investigated the suitability of a poly-ether-urethane (PU) foam as 3D in vitro model to study the interactions between BC tumor-initiating cells and the bone microenvironment...
September 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28924368/the-effects-of-perioperative-anesthesia-and-analgesia-on-immune-function-in-patients-undergoing-breast-cancer-resection-a-prospective-randomized-study
#10
Jin Sun Cho, Mi-Hyang Lee, Seung Il Kim, Seho Park, Hyung Seok Park, Ein Oh, Jong Ho Lee, Bon-Nyeo Koo
Introduction: Perioperative anesthesia and analgesia exacerbate immunosuppression in immunocompromised cancer patients. The natural killer (NK) cell is a critical part of anti-tumor immunity. We compared the effects of two different anesthesia and analgesia methods on the NK cell cytotoxicity (NKCC) in patients undergoing breast cancer surgery. Methods: Fifty patients undergoing breast cancer resection were randomly assigned to receive propofol-remifentanil anesthesia with postoperative ketorolac analgesia (Propofol-ketorolac groups) or sevoflurane-remifentanil anesthesia with postoperative fentanyl analgesia (Sevoflurane-fentanyl group)...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28923958/multiscale-characterization-of-the-mineral-phase-at-skeletal-sites-of-breast-cancer-metastasis
#11
Frank He, Aaron E Chiou, Hyun Chae Loh, Maureen Lynch, Bo Ri Seo, Young Hye Song, Min Joon Lee, Rebecca Hoerth, Emely L Bortel, Bettina M Willie, Georg N Duda, Lara A Estroff, Admir Masic, Wolfgang Wagermaier, Peter Fratzl, Claudia Fischbach
Skeletal metastases, the leading cause of death in advanced breast cancer patients, depend on tumor cell interactions with the mineralized bone extracellular matrix. Bone mineral is largely composed of hydroxyapatite (HA) nanocrystals with physicochemical properties that vary significantly by anatomical location, age, and pathology. However, it remains unclear whether bone regions typically targeted by metastatic breast cancer feature distinct HA materials properties. Here we combined high-resolution X-ray scattering analysis with large-area Raman imaging, backscattered electron microscopy, histopathology, and microcomputed tomography to characterize HA in mouse models of advanced breast cancer in relevant skeletal locations...
September 18, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28922720/1-25-oh-2d3-deficiency-increases-tm40d-tumor-growth-in-bone-and-accelerates-tumor-induced-bone-destruction-in-a-breast-cancer-bone-metastasis-model
#12
Guangping Lu, Jun Li, Jiahui Chu, Shidai Jin, Ziyi Fu, Dengshun Miao, Yongmei Yin
Breast cancer is one of the most common malignancies and bone is the commonest site of distant metastases. Evidences indicate that adequate supply of vitamin D will decrease the morbidity and mortality of breast cancer. However, the main role of vitamin D deficiency in breast cancer bone metastases remains unclear. In this study, the relationship between vitamin D and breast cancer bone metastases were evaluated. Results showed that 1,25(OH)2D3 can not only inhibit the proliferation, migration and invasion of breast cancer cell TM40D in vitro, but also attenuate the breast cancer cell TM40D-induced bone destruction in vivo, whose underlying mechanism was at least partially through decreasing the number of the osteoclasts...
September 13, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28920149/efficacy-and-safety-of-153-sm-edtmp-as-treatment-of-painful-bone-metastasis-a-large-single-center-study
#13
Hélène Kolesnikov-Gauthier, Nathalie Lemoine, Emmanuelle Tresch-Bruneel, Anaïs Olivier, Aurore Oudoux, Nicolas Penel
PURPOSE: The purpose of this study is to assess the efficacy of (153)Sm-EDTMP (Quadramet®) in a clinical setting. METHODS: We have conducted a retrospective study of all consecutive patients (pts) treated with (153)Sm-EDTMP for painful bone metastases. At each visit (before and after treatment), four parameters were collected: (i) pain assessment according to the 10-step visual analogue scale (VAS), (ii) sleep disturbance related to pain, (iii) dose of analgesic medication, and (iv) answer to the following closed question "Do you think you obtained a benefit from treatment?" Success of treatment was defined by the combination of these four parameters...
September 17, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28919575/an-integrative-model-of-prostate-cancer-interaction-with-the-bone-microenvironment
#14
A Farhat, D Jiang, D Cui, E T Keller, Trachette L Jackson
Despite advanced efforts in early diagnosis, aggressive surgical treatment, and use of targeted chemotherapies, the prognosis for many cancers is still dismal. This emphasizes the necessity to develop new strategies for understanding tumor growth and metastasis. Here we use a systems approach that combines mathematical modeling and numerical simulation to develop a predictive computational model for prostate cancer and its subversion of the bone microenvironment. This model simulates metastatic prostate cancer evolution, progressing from normal bone and hormone levels to quantifiable diseased states...
September 14, 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/28916148/chemokine-receptor-directed-imaging-and-therapy
#15
REVIEW
Andreas K Buck, Antje Stolzenburg, Heribert Hänscheid, Andreas Schirbel, Katharina Lückerath, Margret Schottelius, Hans-Jürgen Wester, Constantin Lapa
The C - X - C chemokine receptor 4 (CXCR4) and its natural ligand CXCL12 are key factors in the process of cell migration, homing of hematopoietic stem cells to the bone marrow, and represent important mediators of angiogenesis and cell proliferation. The CXCR4/CXCL12 interplay can be disrupted by CXCR4 antagonists such as Plerixafor which are already in daily clinical use, i.e. for mobilization and subsequent harvesting of hematopoietic progenitor cells and stem cell transplantation. In a pathological condition, involvement in the process of metastasis and homing of cancer cells to a protective niche has been described, making CXCR4 an attractive target for imaging and treatment of malignant diseases...
September 12, 2017: Methods: a Companion to Methods in Enzymology
https://www.readbyqxmd.com/read/28915886/prognostic-factors-in-patients-with-loco-regionally-advanced-gastric-cancer
#16
Bo Hultman, Ulf Gunnarsson, Peter Nygren, Magnus Sundbom, Bengt Glimelius, Haile Mahteme
BACKGROUND: The aim of this study was to investigate epidemiologic and prognostic factors relevant to the treatment of loco-regionally advanced gastric cancer (GC). METHODS: Two hundred and fifty-five patients with GC were identified in Uppsala County between 2000 and 2009. Patient records were analyzed for loco-regionally advanced GC defined as tumor with peritoneal involvement, excluding serosal invasion from the primary tumor only, at primary diagnosis or during follow-up...
September 15, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28915604/overexpression-of-a-functional-calcium-sensing-receptor-dramatically-increases-osteolytic-potential-of-mda-mb-231-cells-in-a-mouse-model-of-bone-metastasis-through-epiregulin-mediated-osteoprotegerin-downregulation
#17
Cédric Boudot, Lucie Hénaut, Ursula Thiem, Sandra Geraci, Mariangela Galante, Paulo Saldanha, Zuzana Saidak, Isabelle Six, Philippe Clézardin, Said Kamel, Romuald Mentaverri
INTRODUCTION AND AIMS: Osteolytic bone metastases are observed in advanced cases of breast cancer. In vitro data suggest that the activity of the calcium-sensing receptor (CaSR) expressed by metastatic cells could potentiate their osteolytic potential. This study aimed to demonstrate in vivo the involvement of the CaSR in breast cancer cells osteolytic potential and to identify potential targets linked to CaSR activity. METHODS AND RESULTS: MDA-MB-231 stably transfected with plasmids containing either a full-length wild-type CaSR (CaSR-WT), or a functionally inactive dominant negative mutant (CaSR-DN) or an empty vector (EV) were intratibially injected into Balb/c-Nude mice...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28912898/inhibition-of-bone-marrow-derived-mesenchymal-stem-cells-homing-towards-triple-negative-breast-cancer-microenvironment-using-an-anti-pdgfr%C3%AE-aptamer
#18
Simona Camorani, Billy Samuel Hill, Raffaela Fontanella, Adelaide Greco, Matteo Gramanzini, Luigi Auletta, Sara Gargiulo, Sandra Albanese, Enrico Lucarelli, Laura Cerchia, Antonella Zannetti
Bone marrow-derived mesenchymal stem cells (BM-MSCs) are shown to participate in tumor progression by establishing a favorable tumor microenvironment (TME) that promote metastasis through a cytokine networks. However, the mechanism of homing and recruitment of BM-MSCs into tumors and their potential role in malignant tissue progression is poorly understood and controversial. Here we show that BM-MSCs increase aggressiveness of triple-negative breast cancer (TNBC) cell lines evaluated as capability to migrate, invade and acquire stemness markers...
2017: Theranostics
https://www.readbyqxmd.com/read/28910345/circulating-mrnas-and-mirnas-as-candidate-markers-for-the-diagnosis-and-prognosis-of-prostate-cancer
#19
Marilesia Ferreira de Souza, Hellen Kuasne, Mateus de Camargo Barros-Filho, Heloísa Lizotti Cilião, Fabio Albuquerque Marchi, Paulo Emilio Fuganti, Alexandre Rossi Paschoal, Silvia Regina Rogatto, Ilce Mara de Syllos Cólus
Circulating nucleic acids are found in free form in body fluids and may serve as minimally invasive tools for cancer diagnosis and prognosis. Only a few studies have investigated the potential application of circulating mRNAs and microRNAs (miRNAs) in prostate cancer (PCa). The Cancer Genome Atlas (TCGA) database was used for an in silico analysis to identify circulating mRNA and miRNA as potential markers of PCa. A total of 2,267 genes and 49 miRNAs were differentially expressed between normal and tumor samples...
2017: PloS One
https://www.readbyqxmd.com/read/28903395/tgf-%C3%AE-2-induced-angptl4-expression-promotes-tumor-progression-and-osteoclast-differentiation-in-giant-cell-tumor-of-bone
#20
Bo Li, Ming Qian, Hao Cao, Qi Jia, Zhipeng Wu, Xinghai Yang, Tianyi Ma, Haifeng Wei, Tianrui Chen, Jianru Xiao
Although emerging studies have implicated that Aiopoietin-like 4 Protein (ANGPTL4) is related to the aggressiveness and metastasis of many tumors, the role of ANGPLT4 in giant cell tumor (GCT) of bone was rarely investigated. The mechanism of ANGPLT4 in tumor-induced osteoclastogenesis still remains unclear. In this study, we first demonstrated that ANGPTL4 was highly expressed in GCT compared to normal tissues, while we showed that TGF-β2 released by osteoclasts induced bone resorption could increase the expression of ANGPTL4 in GCTSCs...
August 15, 2017: Oncotarget
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