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https://www.readbyqxmd.com/read/28212584/hyaluronic-acid-serum-albumin-conjugate-based-nanoparticles-for-targeted-cancer-therapy
#1
Ravit Edelman, Yehuda G Assaraf, Inna Levitzky, Tal Shahar, Yoav D Livney
Multiple carcinomas including breast, ovarian, colon, lung and stomach cancer, overexpress the hyaluronic acid (HA) receptor, CD44. Overexpression of CD44 contributes to key cancer processes including tumor invasion, metastasis, recurrence, and chemoresistance. Herein, we devised novel targeted nanoparticles (NPs) for delivery of anticancer chemotherapeutics, comprised of self-assembling Maillard reaction-based conjugates of HA and bovine serum albumin (BSA). HA served as the hydrophilic block, and as the ligand for actively targeting cancer cells overexpressing CD44...
February 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28210624/rna-sequencing-analysis-reveals-interactions-between-breast-cancer-or-melanoma-cells-and-the-tissue-microenvironment-during-brain-metastasis
#2
Ryo Sato, Teppei Nakano, Mari Hosonaga, Oltea Sampetrean, Ritsuko Harigai, Takashi Sasaki, Ikuko Koya, Hideyuki Okano, Jun Kudoh, Hideyuki Saya, Yoshimi Arima
Metastasis is the main cause of treatment failure and death in cancer patients. Metastasis of tumor cells to the brain occurs frequently in individuals with breast cancer, non-small cell lung cancer, or melanoma. Despite recent advances in our understanding of the causes and in the treatment of primary tumors, the biological and molecular mechanisms underlying the metastasis of cancer cells to the brain have remained unclear. Metastasizing cancer cells interact with their microenvironment in the brain to establish metastases...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28197418/expression-of-cadherin-17-promotes-metastasis-in-a-highly-bone-marrow-metastatic-murine-breast-cancer-model
#3
Tomoko Okada, Atsushi Kurabayashi, Nobuyoshi Akimitsu, Mutsuo Furihata
We previously established 4T1E/M3 highly bone marrow metastatic mouse breast cancer cells through in vivo selection of 4T1 cells. But while the incidence of bone marrow metastasis of 4T1E/M3 cells was high (~80%) when injected intravenously to mice, it was rather low (~20%) when injected subcutaneously. Therefore, using 4T1E/M3 cells, we carried out further in vitro and in vivo selection steps to establish FP10SC2 cells, which show a very high incidence of metastasis to lungs (100%) and spines (85%) after subcutaneous injection into mice...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28194662/mmtv-pymt-and-derived-met-1-mouse-mammary-tumor-cells-as-models-for-studying-the-role-of-the-androgen-receptor-in-triple-negative-breast-cancer-progression
#4
Jessica L Christenson, Kiel T Butterfield, Nicole S Spoelstra, John D Norris, Jatinder S Josan, Julie A Pollock, Donald P McDonnell, Benita S Katzenellenbogen, John A Katzenellenbogen, Jennifer K Richer
Triple-negative breast cancer (TNBC) has a faster rate of metastasis compared to other breast cancer subtypes, and no effective targeted therapies are currently FDA-approved. Recent data indicate that the androgen receptor (AR) promotes tumor survival and may serve as a potential therapeutic target in TNBC. Studies of AR in disease progression and the systemic effects of anti-androgens have been hindered by the lack of an AR-positive (AR+) immunocompetent preclinical model. In this study, we identified the transgenic MMTV-PyMT (mouse mammary tumor virus-polyoma middle tumor-antigen) mouse mammary gland carcinoma model of breast cancer and Met-1 cells derived from this model as tools to study the role of AR in breast cancer progression...
February 13, 2017: Hormones & Cancer
https://www.readbyqxmd.com/read/28188513/breast-metastasis-of-pulmonary-pleomorphic-carcinoma-a-case-report
#5
Tomoyuki Fujita, Hajime Nishimura, Ryoichi Kondo, Kinya Furukawa, Yukio Morishita, Minoru Fujimori
BACKGROUND: Lung cancer rarely metastasizes to the breast, and breast metastasis of pulmonary pleomorphic carcinoma has not been previously reported. CASE PRESENTATION: The patient was a 66-year-old woman who became aware of a mass in the right breast and visited a physician. She was referred to our department for close examination, upon which she was diagnosed with double cancer (right breast cancer and left lung cancer). Needle biopsy findings for the mammary tumor were similar to those for the lung biopsy specimen, but spindle cell or metaplastic carcinoma were possibilities...
December 2017: Surgical Case Reports
https://www.readbyqxmd.com/read/28181495/expression-of-%C3%AE-globin-by-cancer-cells-promotes-cell-survival-during-blood-borne-dissemination
#6
Yu Zheng, David T Miyamoto, Ben S Wittner, James P Sullivan, Nicola Aceto, Nicole Vincent Jordan, Min Yu, Nezihi Murat Karabacak, Valentine Comaills, Robert Morris, Rushil Desai, Niyati Desai, Erin Emmons, John D Milner, Richard J Lee, Chin-Lee Wu, Lecia V Sequist, Wilhelm Haas, David T Ting, Mehmet Toner, Sridhar Ramaswamy, Shyamala Maheswaran, Daniel A Haber
Metastasis-competent circulating tumour cells (CTCs) experience oxidative stress in the bloodstream, but their survival mechanisms are not well defined. Here, comparing single-cell RNA-Seq profiles of CTCs from breast, prostate and lung cancers, we observe consistent induction of β-globin (HBB), but not its partner α-globin (HBA). The tumour-specific origin of HBB is confirmed by sequence polymorphisms within human xenograft-derived CTCs in mouse models. Increased intracellular reactive oxygen species (ROS) in cultured breast CTCs triggers HBB induction, mediated through the transcriptional regulator KLF4...
February 9, 2017: Nature Communications
https://www.readbyqxmd.com/read/28177890/long-noncoding-rna-hotair-promotes-metastasis-of-renal-cell-carcinoma-by-up-regulating-histone-h3k27-demethylase-jmjd3
#7
Ming Xia, Lv Yao, Qiaoxia Zhang, Feng Wang, Hongbin Mei, Xiaoqiang Guo, Weiren Huang
Long Noncoding RNAs (lncRNAs) are a kind of non-protein coding transcripts longer than 200 nucleotides, and play important roles in diverse biological processes, such as embryonic development and apoptosis. Homeobox (HOX) transcript antisense intergenic RNA (HOTAIR) is a negative prognostic factor in a variety of human cancers, such as breast, liver and lung cancers. HOTAIR can promote cancer cell metastasis by reprogramming chromatin organization. In the present study, HOTAIR expression was elevated in tissues of renal cell carcinoma compared to adjacent normal tissues, and positively correlated with metastasis (P<0...
February 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28176627/a-review-of-ruthenium-complexes-activities-on-different-steps-of-the-metastatic-process-in-breast-cancer-cells
#8
Cecília Patrícia Popolin, Márcia Regina Cominetti
Cancer is one of the main causes of death worldwide. Breast cancer is the most prevalent type of cancer in women and the leading cause of cancer deaths due to its high metastasis to the lymph nodes, lungs bones and brain. Interactions with the stromal microenvironment surrounding tumor cells facilitate tumor cell migration and invasion of tissues and dissemination to other organs, to form metastasis. The development of antitumor metal-based drugs was originated with the discovery of cisplatin, however, its severe side effects represent a limitation for its clinical use...
6, 2017: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/28174483/dual-effect-of-wisp-1-in-diverse-pathological-processes
#9
Mengmeng Feng, Shuqin Jia
Wnt-1 inducible signaling pathway-1 (WISP-1), also known as CCN-4, belongs to the connective tissue growth factor (CTGF) family. WISP-1 is primarily expressed in embryonic stem cells and is involved in adult organ development. WISP-1 participates in many cellular processes, including proliferation, differentiation, apoptosis and adhesion. In addition, WISP-1 plays an important role in diverse pathophysiological processes, such as embryonic development, inflammation, injury repairs and cancers. Recent studies showed that WISP-1 was highly correlated with tumor progression and malignant transformation, whereas it played an oncogenic role in colorectal cancer, cholangiocarcinoma, hepatocellular carcinoma and breast cancer...
December 2016: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28166202/cgi-99-promotes-breast-cancer-metastasis-via-autocrine-interleukin-6-signaling
#10
C Lin, W Liao, Y Jian, Y Peng, X Zhang, L Ye, Y Cui, B Wang, X Wu, Z Xiong, S Wu, J Li, X Wang, L Song
Metastatic relapse remains largely incurable and a major challenge of clinical management in breast cancer, but the underlying mechanisms are poorly understood. Herein, we report that CGI-99 is overexpressed in breast cancer tissues from patients with metastatic recurrence within 5 years. High CGI-99 significantly predicts poorer 5-year metastasis-free patient survival. We find that CGI-99 increases breast cancer stem cell properties, and potentiates efficient tumor lung colonization and outgrowth in vivo. Furthermore, we demonstrate that CGI-99 activates the autocrine interleukin-6 (IL-6)/STAT3 signaling by increasing the accumulation and activity of RNA polymerase II and p300 cofactor at the proximal promoter of IL-6...
February 6, 2017: Oncogene
https://www.readbyqxmd.com/read/28166075/clinico-histopathological-survey-of-head-and-neck-cancer-at-tertiary-health-care-centre-dhulikhel-hospital
#11
S Dixit, C Upadhyaya, M Humagain, R Srii, V Marla
Background Head and neck is one of the most prevalent site for cancers along with lungs, cervix, breast and stomach. Hospital based cancer registries required for effective evaluation of diagnosis and management of cancer is inadequate in Nepal. Cancer registry system established by WHO is acquired by seven major hospitals in our country. However, data from tertiary health care centres like ours remain undocumented. Objective The objective of this study is to perform retrospective analysis of clinicohistopathological types of head and neck lesions which were eventually diagnosed as cancer in Dhulikel Hospital, a tertiary health care centre of Central East Nepal...
April 2016: Kathmandu University Medical Journal (KUMJ)
https://www.readbyqxmd.com/read/28159715/dual-function-nanostructured-lipid-carriers-to-deliver-ir780-for-breast-cancer-treatment-anti-metastatic-and-photothermal-anti-tumor-therapy
#12
Huipeng Li, Kaikai Wang, Xue Yang, Yiwen Zhou, Qineng Ping, David Oupicky, Minjie Sun
: Cancer treatments that use a combination of approaches with the ability to affect multiple disease pathways have proven highly effective. The present study reports on CXCR4-targeted nanostructured lipid carriers (NLCs) with a CXCR4 antagonist AMD3100 in the shell (AMD-NLCs). AMD-NLCs loaded with IR780 (IR780-AMD-NLCs) reduced the invasiveness of cancer cells, while simultaneously mediating efficient tumor targeting and photothermal therapeutic outcomes. We present the combined effect of encapsulated IR780 on photothermal therapy and of the AMD3100 coating on tumor targeting, CXCR4 antagonism and inhibition of cancer cell invasion and breast cancer lung metastasis in vitro and in vivo...
January 31, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28153862/the-cargo-protein-map17-pdzk1ip1-regulates-the-cancer-stem-cell-pool-activating-the-notch-pathway-by-abducting-numb
#13
Jose M Garcia-Heredia, Antonio Lucena-Cacace, Eva M Verdugo-Sivianes, Marco Perez, Amancio Carnero
Purpose Cancer stem cells (CSCs) are self-renewing tumor cells, with ability to generate the diverse differentiated tumor cell subpopulations. They differ from normal stem cells in the deregulation of the mechanisms that normally controls stem cell physiology. CSCs are the origin of metastasis and highly resistant to therapy. Therefore the understanding of the CSC origin and deregulated pathways is important for tumor control. Experimental design We have included experiments in vitro, in cell lines and tumors of different origins...
February 2, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28152944/a-single-institution-s-experience-with-the-value-of-fdg-pet-ct-imaging-in-patients-with-newly-diagnosed-stage-iib-iiib-breast-cancer
#14
Katherine Glass, Chad W Cummings, Alberto J Montero, Jame Abraham, Halle C F Moore, G Thomas Budd
: 123 Background: The Cleveland Clinic is utilizing disease specific teams to craft care paths for value based disease management. The report by Groheux (JNCI 2012; 104:1879-1887), reported (18) FDG-PET-CT detected distant metastasis in 10.7, 17.5 and 36.5% of stage IIB- IIIB breast cancer patients. Based on this report, the breast team incorporated (18) FDG-PET- CT imaging for initial staging of IIB-IIIB patients. METHODS: Treatment algorithms were developed by a multi-disciplinary breast cancer team...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152839/development-of-a-radiation-oncology-specific-prospective-data-registry-for-clinical-research-and-quality-improvement-a-clinical-workflow-based-solution
#15
Pin-Chieh Wang, Darlene Verittupong, Weber Shao, Susan Ann McCloskey, Vincent Basehart, Michael L Steinberg, Patrick Kupelian
: 197 Background: The computerized 'paperless' medical recording system has transformed the modern health information system and serves as an idea platform for cancer registry development, particularly in a specialty like radiation oncology, where technological advances generate unprecedented amounts of data. METHODS: From May 2011 to May 2015, physicians prospectively inputted data on patients seen during consultation in the Department of Radiation Oncology at UCLA...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152812/real-world-treatment-patterns-and-outcomes-in-her2-positive-mbc-patients-with-brain-metastasis-in-the-u-s-community-oncology-setting
#16
Eileen Fonseca, Bongin Yoo, Thomas Wilson, Hans-Peter Goertz, Catherine Lai
: 92 Background: Patients (pts) with HER2 positive (HER2+) metastatic breast cancer (MBC) have different patterns of disease and treatment (tx) from HER2 negative MBC. Brain metastasis (BM) frequently occurs and txs vary. METHODS: This retrospective study included adult HER2+ MBC pts from a community oncology network electronic health record (EHR) database and diagnosed between 2009-2011, with follow-up until 11/2014. Pts with other primary tumors were excluded...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28152501/breast-cancer-cell-cyclooxygenase-2-expression-alters-extracellular-matrix-structure-and-function-and-numbers-of-cancer-associated-fibroblasts
#17
Balaji Krishnamachary, Ioannis Stasinopoulos, Samata Kakkad, Marie-France Penet, Desmond Jacob, Flonne Wildes, Yelena Mironchik, Arvind P Pathak, Meiyappan Solaiyappan, Zaver M Bhujwalla
Cyclooxygenase-2 (COX-2) is a critically important mediator of inflammation that significantly influences tumor angiogenesis, invasion, and metastasis. We investigated the role of COX-2 expressed by triple negative breast cancer cells in altering the structure and function of the extracellular matrix (ECM). COX-2 downregulation effects on ECM structure and function were investigated using magnetic resonance imaging (MRI) and second harmonic generation (SHG) microscopy of tumors derived from triple negative MDA-MB-231 breast cancer cells, and a derived clone stably expressing a short hairpin (shRNA) molecule downregulating COX-2...
January 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/28150530/in-search-of-akt-kinase-inhibitors-as-anticancer-agents-structure-based-design-docking-and-molecular-dynamics-studies-of-2-4-6-trisubstituted-pyridines
#18
Pedro Josué Trejo-Soto, Alicia Hernández-Campos, Antonio Romo-Mancillas, José L Medina-Franco, Rafael Castillo
The AKT isoforms are a group of key kinases that play a critical role in tumorigenesis. These enzymes are overexpressed in different types of cancers, such as breast, colon, prostate, ovarian and lung. Because of its relevance the AKT isoforms are attractive targets for the design of anticancer molecules. However, it has been found that AKT1 and AKT3 isoforms have a main role in tumor progression and metastasis; thus, the identification of AKT isoforms specific inhibitors seems to be a challenge. Previously, we identified an ATP binding pocket pan-AKT inhibitor, this compound is a 2,4,6-trisubstituted pyridine (compound 11), which represents a new interesting scaffold for the developing of AKT inhibitors...
February 2, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28147314/the-antiangiogenic-role-of-the-pro-inflammatory-cytokine-interleukin-31
#19
Shiri Davidi, Ella Fremder, Tal Kan, Ziv Raviv, Michael Timaner, Nathan Karin, Dov Hershkovitz, Ami Arohneim, Yuval Shaked
Pro-inflammatory cytokines in the tumor microenvironment are known for their ability to either inhibit or promote cancer progression. Here we evaluated the role of Interleukin-31 (IL31), a protein belonging to the pro-inflammatory IL-6 cytokine family which has been characterized in autoimmune disease, in tumorigenesis. We show that IL31 and its receptor, IL31RA, are highly expressed in various human and mouse cancer cell lines, as well as in tumor specimens from cancer patients. MC38 murine colon carcinoma cells depleted of IL31 exhibit an increase in invasive and migratory properties in vitro, effects that are reversed by supplementing the cells with exogenous IL31...
January 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28143558/lung-metastases-treated-with-stereotactic-body-radiotherapy-the-rssearch%C3%A2-patient-registry-s-experience
#20
Anthony Ricco, Joanne Davis, William Rate, Jun Yang, David Perry, John Pablo, David D'Ambrosio, Sanjeev Sharma, Srinath Sundararaman, James Kolker, Kimberly M Creach, Rachelle Lanciano
OBJECTIVES: To report overall survival and local control for patients identified in the RSSearch® Patient Registry with metastatic cancer to the lung treated with SBRT. METHODS: Seven hundred two patients were identified with lung metastases in the RSSearch® Registry. Of these patients, 577 patients had SBRT dose and fractionation information available. Patients were excluded if they received prior surgery, radiation, or radiofrequency ablation to the SBRT treated area...
February 1, 2017: Radiation Oncology
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