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https://www.readbyqxmd.com/read/28806703/nox4-mediated-ros-production-induces-apoptotic-cell-death-via-down-regulation-of-c-flip-and-mcl-1-expression-in-combined-treatment-with-thioridazine-and-curcumin
#1
Seung Un Seo, Tae Hwan Kim, Dong Eun Kim, Kyoung-Jin Min, Taeg Kyu Kwon
Thioridazine is known to have anti-tumor effects by inhibiting PI3K/Akt signaling, which is an important signaling pathway in cell survival. However, thioridazine alone does not induce apoptosis in head and neck squamous cell carcinoma (AMC-HN4), human breast carcinoma (MDA-MB231), and human glioma (U87MG) cells. Therefore, we investigated whether combined treatment with thioridazine and curcumin induces apoptosis. Combined treatment with thioridazine and curcumin markedly induced apoptosis in cancer cells without inducing apoptosis in human normal mesangial cells and human normal umbilical vein cells (EA...
August 9, 2017: Redox Biology
https://www.readbyqxmd.com/read/28804629/clinical-presentation-and-treatment-of-gastric-metastasis-from-other-malignancies-of-solid-organs
#2
Tsutomu Namikawa, Eri Munekage, Maho Ogawa, Toyokazu Oki, Masaya Munekage, Hiromichi Maeda, Hiroyuki Kitagawa, Takeki Sugimoto, Michiya Kobayashi, Kazuhiro Hanazaki
The aim of the present study was to analyze the clinicopathologic features and treatment outcomes of gastric metastasis from other malignancies of solid organs. A review was conducted of patients with metastatic tumors in the stomach from other malignancies of solid organs detected endoscopically at the Department of Surgery, Kochi Medical School, from January 1991 to December 2015. Seven patients (four men and three women), with a median age of 64 years (range, 42-71 years), had metastatic gastric tumors. Median tumor size was 7...
August 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28800462/imaging-biodistribution-and-in-vitro-study-of-smart-99m-tc-pamam-g4-dendrimer-as-novel-nano-complex
#3
Asghar Narmani, Kamal Yavari, Javad Mohammadnejad
Overexpression of folic acid receptor in various human tumors cells makes it as good candidate for targeting delivery of chemotherapeutic and radiopharmaceutical agents. In this research, FA used for functionalization of PEG modified PAMAM G4 dendrimer as a smart delivery of 5-FU and (99m)Tc for the breast carcinoma in order to chemotherapeutic and imaging goals. One aim of this research was assess the FA-mediated cell viability assay of PEG-PAMAM G4-FA-5FU-(99m)Tc and in vitro uptake of PEG-PAMAM G4-FA-(99m)Tc as the novel nano-complex determined on C2Cl2 (normal cell) and MCF-7 (breast cancer cell) cell lines...
August 1, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28800016/fish-analysis-of-top2a-and-her-2-aberrations-in-female-breast-carcinoma-on-archived-material-egyptian-nci-experience
#4
Omnia M Badawy, Iman Loay
BACKGROUND: HER-2 and TOP2A genes are considered of great importance in breast cancer. Their copy number variability has been proposed to be a marker for the degree of chromosomal instability. Owing to the close proximity of TOP2A gene to HER-2 gene chromosome 17, TOP2A status is believed to affect therapeutic plan. The percentage of TOP2A aberrations is greatly variable among different studies. AIM OF WORK: Is to investigate the relation between TOP2A and HER-2 gene amplification using fluorescence in situ hybridization technique...
August 9, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28799059/her2-intratumoral-heterogeneity-is-independently-associated-with-incomplete-response-to-anti-her2-neoadjuvant-chemotherapy-in-her2-positive-breast-carcinoma
#5
Yanjun Hou, Hiroaki Nitta, Lai Wei, Peter M Banks, Bryce Portier, Anil V Parwani, Zaibo Li
PURPOSE: Anti-HER2 neoadjuvant chemotherapy has been widely used in HER2-positive breast cancer patients; however, pathologic complete response (pCR) is achieved in only 40-50% of patients. The aim of this study was to investigate the association of HER2 intratumoral heterogeneity (ITH) with response to anti-HER2 neoadjuvant chemotherapy. METHODS: Assessment of HER2 ITH was performed on whole tissue sections of pre-treatment samples from a cohort of 64 invasive breast carcinoma cases originally considered positive for HER2 and treated with anti-HER2 neoadjuvant chemotherapy...
August 10, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28797720/multi-isocenter-hybrid-electron-and-rapid-arc-photon-treatment-for-reirradiation-of-extensive-recurrent-inflammatory-breast-cancer
#6
Ryan S Youland, Randi R Finley, Ivy A Petersen, Kimberly S Corbin
Delivering an adequate and homogenous dose to a large volume of recurrent cutaneous disease can be challenging even with modern techniques. Here, the authors describe a 3-isocenter hybrid electron and rapid arc photon radiation treatment plan to provide optimal tumor coverage to an extensive recurrence of inflammatory breast carcinoma. This approach allowed for homogeneous treatment of a large volume while effectively modulating dose to previously irradiated tissue and minimizing dose to the underlying heart, lungs and brachial plexus...
August 7, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28797528/actinin-1-and-actinin-4-play-essential-but-distinct-roles-in-invadopodia-formation-by-carcinoma-cells
#7
Hideki Yamaguchi, Yuumi Ito, Nami Miura, Yuko Nagamura, Ayaka Nakabo, Kiyoko Fukami, Kazufumi Honda, Ryuichi Sakai
Invadopodia are ventral membrane protrusions formed by cancer cells that degrade the extracellular matrix (ECM) during tumor invasion and metastasis. Formation of invadopodia is initiated by the assembly of actin filaments (F-actin) that results from the coordinated activation of several actin regulatory proteins. Actinin-1 and actinin-4 are actin bundling proteins expressed in non-muscle cells and actinin-4 is preferentially associated with malignant phenotypes of carcinoma cells. In this study, we investigated the role of actinin-1 and -4 in invadopodia formation...
August 1, 2017: European Journal of Cell Biology
https://www.readbyqxmd.com/read/28790781/to-study-the-efficacy-of-thallium-201-as-tumor-seeking-agent-and-to-study-its-role-in-therapeutic-response
#8
A V S Anil Kumar, P G Kumar, Sangeetha Sampath, V Suhag
BACKGROUND: Tumour seeking characteristics of TL-201 have been underutilized. The study was undertaken to evaluate the role of TL-201 scintigraphy in tumour imaging. METHODS: A total of 50 cases were studied over a period of 18 months (13 lymphomas, 11 breast carcinoma, 10 lung cancer, 6 of soft tissue sarcoma, 2 bone tumours and 4 cases each of thyroid and brain tumours). Thallium-201 chloride was injected IV in the dose range of 3-5 mCi. Imaging was done using Siemen's ECAM dual headed gamma camera...
July 2017: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/28790175/antibody-mediated-blockade-of-jmjd6-interaction-with-collagen-i-exerts-antifibrotic-and-antimetastatic-activities
#9
Silvia Miotti, Alessandro Gulino, Renata Ferri, Mariella Parenza, Agnieszka Chronowska, Daniele Lecis, Sabina Sangaletti, Elda Tagliabue, Claudio Tripodo, Mario P Colombo
JMJD6 is known to localize in the nucleus exerting histone arginine demethylase and lysyl hydroxylase activities. A novel localization of JMJD6 in the extracellular matrix, resulting from its secretion as a soluble protein, was unveiled by a new anti-JMJD6 mAb called P4E11 which was developed to identify new targets in the stroma. Recombinant JMJD6 binds with collagen type I (Coll-I), and distinct JMJD6 peptides interfere with collagen fibrillogenesis, collagen-fibronectin interaction, and adhesion of human tumor cells to the collagen substrate...
August 8, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28780480/adjuvant-chemotherapy-in-pt1ab-node-negative-triple-negative-breast-carcinomas-results-of-a-national%C3%A2-multi-institutional-retrospective-study
#10
A de Nonneville, A Gonçalves, C Zemmour, M Cohen, J M Classe, F Reyal, P E Colombo, E Jouve, S Giard, E Barranger, R Sabatier, F Bertucci, J M Boher, G Houvenaeghel
BACKGROUND: Triple-negative breast cancers (TNBCs) are considered as associated with poor outcome, but prognosis of subcentimetric, node-negative disease remains controversial and evidence that adjuvant chemotherapy (CT) is effective in these small tumours remains limited. PATIENTS AND METHODS: Our objective was to investigate the impact of CT on survival in pT1abN0M0 TNBC. Patients were retrospectively identified from a cohort of 22,475 patients who underwent primary surgery in 15 French centres between 1987 and 2013...
August 3, 2017: European Journal of Cancer
https://www.readbyqxmd.com/read/28778029/papillotubular-carcinoma-with-an-invasive-micropapillary-carcinoma-component-of-the-breast-characterized-by-a-rapid-increase-in-size-due-to-intra-tumoral-hemorrhage-a-case-report
#11
Motonobu Watanabe, Ryota Matsuoka, Yukako Ichimura, Toshiro Takagaki, Yasushi Iitsuka
INTRODUCTION: Rapidly enlarging mammary tumors, including invasive breast tumors, are clinically rare. Invasive micropapillary carcinoma (IMPC) of the breast is known to have aggressive behavior and poor clinical course compared to invasive ductal carcinoma. CASE PRESENTATION: An 87-year-old woman presented with a rapidly enlarging tumor of the right breast over the course of 3 weeks. Ultrasonography and computed tomography of the chest revealed a giant tumor located on the right chest wall, with heterogeneous parenchymal components and several cystic lesions...
July 25, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28777143/assessing-tumor-infiltrating-lymphocytes-in-solid-tumors-a-practical-review-for-pathologists-and-proposal-for-a-standardized-method-from-the-international-immuno-oncology-biomarkers-working-group-part-2-tils-in-melanoma-gastrointestinal-tract-carcinomas-non
#12
Shona Hendry, Roberto Salgado, Thomas Gevaert, Prudence A Russell, Tom John, Bibhusal Thapa, Michael Christie, Koen van de Vijver, M V Estrada, Paula I Gonzalez-Ericsson, Melinda Sanders, Benjamin Solomon, Cinzia Solinas, Gert G G M Van den Eynden, Yves Allory, Matthias Preusser, Johannes Hainfellner, Giancarlo Pruneri, Andrea Vingiani, Sandra Demaria, Fraser Symmans, Paolo Nuciforo, Laura Comerma, E A Thompson, Sunil Lakhani, Seong-Rim Kim, Stuart Schnitt, Cecile Colpaert, Christos Sotiriou, Stefan J Scherer, Michail Ignatiadis, Sunil Badve, Robert H Pierce, Giuseppe Viale, Nicolas Sirtaine, Frederique Penault-Llorca, Tomohagu Sugie, Susan Fineberg, Soonmyung Paik, Ashok Srinivasan, Andrea Richardson, Yihong Wang, Ewa Chmielik, Jane Brock, Douglas B Johnson, Justin Balko, Stephan Wienert, Veerle Bossuyt, Stefan Michiels, Nils Ternes, Nicole Burchardi, Stephen J Luen, Peter Savas, Frederick Klauschen, Peter H Watson, Brad H Nelson, Carmen Criscitiello, Sandra O'Toole, Denis Larsimont, Roland de Wind, Giuseppe Curigliano, Fabrice André, Magali Lacroix-Triki, Mark van de Vijver, Federico Rojo, Giuseppe Floris, Shahinaz Bedri, Joseph Sparano, David Rimm, Torsten Nielsen, Zuzana Kos, Stephen Hewitt, Baljit Singh, Gelareh Farshid, Sibylle Loibl, Kimberly H Allison, Nadine Tung, Sylvia Adams, Karen Willard-Gallo, Hugo M Horlings, Leena Gandhi, Andre Moreira, Fred Hirsch, Maria V Dieci, Maria Urbanowicz, Iva Brcic, Konstanty Korski, Fabien Gaire, Hartmut Koeppen, Amy Lo, Jennifer Giltnane, Marlon C Rebelatto, Keith E Steele, Jiping Zha, Kenneth Emancipator, Jonathan W Juco, Carsten Denkert, Jorge Reis-Filho, Sherene Loi, Stephen B Fox
Assessment of the immune response to tumors is growing in importance as the prognostic implications of this response are increasingly recognized, and as immunotherapies are evaluated and implemented in different tumor types. However, many different approaches can be used to assess and describe the immune response, which limits efforts at implementation as a routine clinical biomarker. In part 1 of this review, we have proposed a standardized methodology to assess tumor-infiltrating lymphocytes (TILs) in solid tumors, based on the International Immuno-Oncology Biomarkers Working Group guidelines for invasive breast carcinoma...
August 2, 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28777142/assessing-tumor-infiltrating-lymphocytes-in-solid-tumors-a-practical-review-for-pathologists-and-proposal-for-a-standardized-method-from-the-international-immunooncology-biomarkers-working-group-part-1-assessing-the-host-immune-response-tils-in-invasive-breast
#13
Shona Hendry, Roberto Salgado, Thomas Gevaert, Prudence A Russell, Tom John, Bibhusal Thapa, Michael Christie, Koen van de Vijver, M V Estrada, Paula I Gonzalez-Ericsson, Melinda Sanders, Benjamin Solomon, Cinzia Solinas, Gert G G M Van den Eynden, Yves Allory, Matthias Preusser, Johannes Hainfellner, Giancarlo Pruneri, Andrea Vingiani, Sandra Demaria, Fraser Symmans, Paolo Nuciforo, Laura Comerma, E A Thompson, Sunil Lakhani, Seong-Rim Kim, Stuart Schnitt, Cecile Colpaert, Christos Sotiriou, Stefan J Scherer, Michail Ignatiadis, Sunil Badve, Robert H Pierce, Giuseppe Viale, Nicolas Sirtaine, Frederique Penault-Llorca, Tomohagu Sugie, Susan Fineberg, Soonmyung Paik, Ashok Srinivasan, Andrea Richardson, Yihong Wang, Ewa Chmielik, Jane Brock, Douglas B Johnson, Justin Balko, Stephan Wienert, Veerle Bossuyt, Stefan Michiels, Nils Ternes, Nicole Burchardi, Stephen J Luen, Peter Savas, Frederick Klauschen, Peter H Watson, Brad H Nelson, Carmen Criscitiello, Sandra O'Toole, Denis Larsimont, Roland de Wind, Giuseppe Curigliano, Fabrice André, Magali Lacroix-Triki, Mark van de Vijver, Federico Rojo, Giuseppe Floris, Shahinaz Bedri, Joseph Sparano, David Rimm, Torsten Nielsen, Zuzana Kos, Stephen Hewitt, Baljit Singh, Gelareh Farshid, Sibylle Loibl, Kimberly H Allison, Nadine Tung, Sylvia Adams, Karen Willard-Gallo, Hugo M Horlings, Leena Gandhi, Andre Moreira, Fred Hirsch, Maria V Dieci, Maria Urbanowicz, Iva Brcic, Konstanty Korski, Fabien Gaire, Hartmut Koeppen, Amy Lo, Jennifer Giltnane, Marlon C Rebelatto, Keith E Steele, Jiping Zha, Kenneth Emancipator, Jonathan W Juco, Carsten Denkert, Jorge Reis-Filho, Sherene Loi, Stephen B Fox
Assessment of tumor-infiltrating lymphocytes (TILs) in histopathologic specimens can provide important prognostic information in diverse solid tumor types, and may also be of value in predicting response to treatments. However, implementation as a routine clinical biomarker has not yet been achieved. As successful use of immune checkpoint inhibitors and other forms of immunotherapy become a clinical reality, the need for widely applicable, accessible, and reliable immunooncology biomarkers is clear. In part 1 of this review we briefly discuss the host immune response to tumors and different approaches to TIL assessment...
September 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28776079/evaluation-of-a-xenogeneic-vascular-endothelial-growth-factor-2-vaccine-in-two-preclinical-metastatic-tumor-models-in-mice
#14
Sofie Denies, Bregje Leyman, Hanne Huysmans, Francis Combes, Séan Mc Cafferty, Laetitia Cicchelero, Marjan Steppe, Joyca De Temmerman, Niek N Sanders
In this study, a xenogeneic DNA vaccine encoding for human vascular endothelial growth factor receptor-2 (hVEGFR-2) was evaluated in two murine tumor models, the B16-F10 melanoma and the EO771 breast carcinoma model. The vaccine was administered by intradermal injection followed by electroporation. The immunogenicity and the biological efficacy of the vaccine were tested in (1) a prophylactic setting, (2) a therapeutic setting, and (3) a therapeutic setting combined with surgical removal of the primary tumor...
August 3, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28775079/invasive-lobular-breast-carcinoma-metastasising-to-the-rectum
#15
Nishant Cherian, Nafees Ahmad Qureshi, Callum Cairncross, Mamoon Solkar
Gastrointestinal (GI) metastasis from a primary breast carcinoma is uncommon, with the rectum being one of the least reported sites in the literature. We report a case of a 79-year-old woman who underwent treatment for an infiltrative lobular carcinoma of the right breast with nodal involvement, and 10 years later developed recurrence in the form of rectal metastasis. Spread to the GI tract is most commonly seen with lobular breast carcinomas. Any patient with a history of breast cancer presenting typically or atypically with abdominal symptoms or altered bowel habit should raise a high index of suspicion for recurrent or metastatic disease...
August 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28774732/downregulation-of-tigar-sensitizes-the-antitumor-effect-of-physapubenolide-through-increasing-intracellular-ros-levels-to-trigger-apoptosis-and-autophagosome-formation-in-human-breast-carcinoma-cells
#16
Ting Ma, Yi Zhang, Chao Zhang, Jian-Guang Luo, Ling-Yi Kong
Physapubenolide (PB) is a cytotoxic withanolide isolated from Physalis angulate that was used as a traditional Chinese medicine. In this study, we investigated the role of TIGAR and ROS in PB-induced apoptosis and autophagosome formation in human breast carcinoma MDA-MB-231 and MCF-7 cells. PB induced apoptosis by decreasing mitochondrial membrane potential and elevating the Bax/Bcl-2 protein expression ratio in MDA-MB-231 and MCF-7 cells. Caspase inhibitor Z-VAD-FMK treatment partly blocked PB induced cytotoxicity, suggesting that apoptosis serves as an important role in the anti-proliferative effect of PB...
July 31, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28772160/design-synthesis-and-biological-evaluation-of-some-novel-benzothiazole-benzoxazole-and-or-benzimidazole-derivatives-incorporating-a-pyrazole-scaffold-as-antiproliferative-agents
#17
Mohamed A Abdelgawad, Rania B Bakr, Hany A Omar
In an aim at developing new antiproliferative agents, new series of benzothiazole/benzoxazole and/or benzimidazole substituted pyrazole derivatives 11a-c, 12a-c and 13a-c were prepared and evaluated for their antiproliferative activity against breast carcinoma (MCF-7) and non-small cell lung cancer (A549) cell lines. The target compound, 2-acetyl-4-[(3-(1H-benzimidazol-2-yl)-phenyl]-hydrazono-5-methyl-2,4-dihydropyrazol-3-one (12a) was the most active compound against both MCF-7 and A549 cell lines with half maximal inhibitory concentrations (IC50)=6...
July 15, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28771788/her2-challenge-contest-a-detailed-assessment-of-automated-her2-scoring-algorithms-in-whole-slide-images-of-breast-cancer-tissues
#18
Talha Qaiser, Abhik Mukherjee, Chaitanya Reddy Pb, Sai Dileep Munugoti, Vamsi Tallam, Tomi Pitkäaho, Taina Lehtimäki, Thomas Naughton, Matt Berseth, Aníbal Pedraza, Ramakrishnan Mukundan, Matthew Smith, Abhir Bhalerao, Erik Rodner, Marcel Simon, Joachim Denzler, Chao-Hui Huang, Gloria Bueno, David Snead, Ian O Ellis, Mohammad Ilyas, Nasir Rajpoot
AIMS: Evaluating expression of the Human epidermal growth factor receptor 2 (Her2) by visual examination of immunohistochemistry (IHC) on invasive breast cancer (BCa) is a key part of the diagnostic assessment of BCa due to its recognised importance as a predictive and prognostic marker in clinical practice. However, visual scoring of Her2 is subjective and consequently prone to inter-observer variability. Given the prognostic and therapeutic implications of Her2 scoring, a more objective method is required...
August 3, 2017: Histopathology
https://www.readbyqxmd.com/read/28770166/genomic-signature-of-the-natural-oncolytic-herpes-simplex-virus-hf10-and-its-therapeutic-role-in-preclinical-and-clinical-trials
#19
REVIEW
Ibrahim Ragab Eissa, Yoshinori Naoe, Itzel Bustos-Villalobos, Toru Ichinose, Maki Tanaka, Wu Zhiwen, Nobuaki Mukoyama, Taishi Morimoto, Noriyuki Miyajima, Hasegawa Hitoki, Seiji Sumigama, Branko Aleksic, Yasuhiro Kodera, Hideki Kasuya
Oncolytic viruses (OVs) are opening new possibilities in cancer therapy with their unique mechanism of selective replication within tumor cells and triggering of antitumor immune responses. HF10 is an oncolytic herpes simplex virus-1 with a unique genomic structure that has non-engineered deletions and insertions accompanied by frame-shift mutations, in contrast to the majority of engineered OVs. At the genetic level, HF10 naturally lacks the expression of UL43, UL49.5, UL55, UL56, and latency-associated transcripts, and overexpresses UL53 and UL54...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28769127/lung-metastasectomy-for-pulmonary-metastatic-breast-carcinoma
#20
Sascha Macherey, Peter Mallmann, Wolfram Malter, Fabian Doerr, Matthias Heldwein, Thorsten Wahlers, Khosro Hekmat
Breast carcinoma with pulmonary metastasis can be treated locally or systemically. Following primary tumour resection patients with isolated, completely resectable pulmonary nodules and definite functional operability can be offered lung metastasis resection. Following metastasectomy a median survival of 32 to 96.6 months can be achieved with corresponding five-year survival rates between 30.8 and 54.4%. The procedure is associated with a mortality rate of 0 to 3%. The most important independent prognostic factor for long-term survival is complete resection of all lung lesions...
June 2017: Geburtshilfe und Frauenheilkunde
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