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https://www.readbyqxmd.com/read/29145974/immunotherapy-for-triple-negative-breast-cancer-existing-challenges-and-exciting-prospects
#1
Hongyan Jia, Cristina I Truica, Bin Wang, Yanhong Wang, Xingcong Ren, Harold A Harvey, Jianxun Song, Jin-Ming Yang
Patients with breast tumors that do not express the estrogen receptor, the progesterone receptor, nor Her-2/neu are hence termed "triple negatives", and generally have a poor prognosis, with high rates of systemic recurrence and refractoriness to conventional therapy regardless of the choice of adjuvant treatment. Thus, more effective therapeutic options are sorely needed for triple-negative breast cancer (TNBC), which occurs in approximately 20% of diagnosed breast cancers. In recent years, exploiting intrinsic mechanisms of the host immune system to eradicate cancer cells has achieved impressive success, and the advances in immunotherapy have yielded potential new therapeutic strategies for the treatment of this devastating subtype of breast cancer...
May 2017: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/29142588/characterization-of-hormonal-receptors-and-human-epidermal-growth-factor-receptor-2-in-tissues-of-women-with-breast-cancer-at-muhimbili-national-hospital-dar-es-salaam-tanzania
#2
Amos Rodger Mwakigonja, Nyanda Elias Lushina, Ally Mwanga
Background: Breast cancer is a leading cause of morbidity and deaths among women worldwide. In Tanzania there is no published data on human epidermal growth receptor-2 (HER2/neu) expression in breast carcinoma. Hormonal receptors and HER2/neu status reportedly influence post-mastectomy adjuvant therapy and predict treatment outcome and prognosis. Here we evaluate hormonal receptors and HER-2 status in biopsies of women with breast cancer at Muhimbili National Hospital (MNH). Methods: A cross-sectional study of female breast post-modified radical mastectomy (MRM)/incisional biopsies confirmed to be carcinoma at the Histopathology Unit (January-December 2013)...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/29137365/longitudinal-serum-metabolomics-evaluation-of-trastuzumab-and-everolimus-combination-as-pre-operative-treatment-for-her-2-positive-breast-cancer-patients
#3
Elodie Jobard, Olivier Trédan, Thomas Bachelot, Arnaud M Vigneron, Céline Mahier Aït-Oukhatar, Monica Arnedos, Maria Rios, Jacques Bonneterre, Véronique Diéras, Marta Jimenez, Jean-Louis Merlin, Mario Campone, Bénédicte Elena-Herrmann
The mammalian target of rapamycin complex 1 (mTORC1) is an attractive target for HER-2 positive breast cancer therapy because of its key role in protein translation regulation, cell growth and metabolism. We present here a metabolomic investigation exploring the impact of mTOR inhibition on serum metabolic profiles from patients with non-metastatic breast cancer overexpressing HER-2. Baseline, treatment-related and post-treatment serum samples were analyzed for 79 patients participating in the French clinical trial RADHER, in which randomized patients with HER-2 positive breast cancer received either trastuzumab alone (arm T) or a trastuzumab and everolimus combination (arm T+E)...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135102/changes-in-18f-fdg-pet-ct-tumor-metabolism-are-not-consistent-with-pathologic-complete-response-in-hormone-positive-breast-cancer
#4
Serap Kaya, Bilge Aktas, Eda Tanrikulu Sismek, Mehmet Akif Ozturk, Fuat Dede, Handan Kaya, Umit Ugurlu, Zerrin Ozgen, Sinan Koca, Suleyman Halil, Rahib Hasanov, Ozkan Alan, Nalan Akgul Babacan, Ozlem Ercelep, Faysal Dane, Mahmut Gumus, Fulden Yumuk
PURPOSE: Current evaluation of response to neoadjuvant chemotherapy (NAC) shows that it could achieve pathological complete response (pCR). The purpose of this study was to assess the consistency of maximum uptake values (SUVmax) changes and pCR in hormone-positive locally advanced breast cancer (LABC). METHODS: Ninety hormone-positive LABC patients treated at Marmara University Medical Oncology Clinic, Istanbul, Turkey, between 2009 and 2015 were retrospectively studied...
September 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29117788/recurrent-admissions-for-hypothermia-from-concomitant-topiramate-and-phenobarbital-a-case-report
#5
Alisha M Mutch
INTRODUCTION: This article presents an additional case of concomitant topiramate and phenobarbital administration that resulted in 8 hospital admissions for hypothermia that resolved after discontinuation of phenobarbital. CASE: A 56-year-old white female with cerebral palsy and quadriplegia, epilepsy, and hypothyroidism was admitted to a community teaching hospital multiple times with documented hypothermia. These admissions followed a subsequent dose increase of topiramate in December 2014...
January 1, 2017: Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/29113369/prognostic-role-of-gli1-expression-in-breast-cancer-a-meta-analysis
#6
Bilan Wang, Ting Yu, Yuzhu Hu, Mengmeng Xiang, Haoning Peng, Yunzhu Lin, Lu Han, Lingli Zhang
Glioma-associated oncogene 1 (Gli1) is a critical transcriptional factor of Sonic hedgehog pathway which has been proved to participate in the initiation and progression of tumor in mammalians. However, its clinical value in breast cancer remains unknown. Thus, a meta-analysis was performed to clarify the association of Gli1 over-expression, clinic-pathological characteristics, molecular subtypes and prognosis in breast cancer. According to included criteria, 13 eligible studies containing 2816 patients all around the world were selected in this study...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29113154/synergistic-inhibitory-effects-of-an-engineered-antibody-like-molecule-atf-fc-and-trastuzumab-on-tumor-growth-and-invasion-in-a-human-breast-cancer-xenograft-mouse-model
#7
Hongwei Zhou, Hongwei Wang, Guangyuan Yu, Zhihong Wang, Xi Zheng, Haifeng Duan, Junzhong Sun
The overexpression of the oncogene human epidermal growth factor receptor 2 (HER-2) has been associated with decreased disease-free survival and is a marker of poor prognosis of invasive breast cancer. Although the high efficacy of trastuzumab, a drug that targets the HER-2 oncogene, has been widely recognized, the efficiency of the treatment remains at ~30%. Therefore, novel effective treatments are required for patients with recurrent metastatic breast cancer. The present study aimed to investigate the effects of an engineered antibody-like molecule administered alone or in combination with trastuzumab on the tumor growth and metastasis of HER-2-positive breast cancer...
November 2017: Oncology Letters
https://www.readbyqxmd.com/read/29105559/the-in-vitro-study-of-her-2-targeted-gold-nanoshell-liquid-fluorocarbon-poly-lactic-co-glycolic-acid-ultrasound-microcapsule-for-ultrasound-imaging-and-breast-tumor-photothermal-therapy
#8
Yu Zhang, Cai-Feng Wan, Jing Du, Qi Dong, Yuan-Yuan Wang, Hong Yang, Feng-Hua Li
Antibody-mediated targeting therapy has been successful in treating patients with breast cancer by improving the specificity and clinical efficacy. In this study, we constructed the human epidermal growth factor receptor-2 (Her2) antibody-conjugated ultrasound contrast agent with lactic-co-glycolic acid (PLGA) as film forming and perfluorocty bromide (PFOB) as internal material, which was coated by gold nanoshell (Her2-PFOB@PLGA@Au), to realize the integration of diagnosis and treatment. The contrast agent was spherical, with the diameter was 256...
November 4, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/29099748/recent-advances-in-comprehending-the-signaling-pathways-involved-in-the-progression-of-breast-cancer
#9
REVIEW
Andrea Nicolini, Paola Ferrari, Lucrezia Diodati, Angelo Carpi
This review describes recent advances in the comprehension of signaling pathways involved in breast cancer progression. Calcium sensing receptor (CaSR), caveolae signaling, signaling referred to hypoxia-inducing factors and disturbances in the apoptotic machinery are related to more general biological mechanisms and are considered first. The others refer to signaling pathways of more specific biological mechanisms, namely the heparin/heparin-sulfate interactome, over-expression of miRNA-378a-5p, restriction of luminal and basal epithelial cells, fatty-acid synthesis, molecular pathways related to epithelial to mesenchimal transition (EMT), HER-2/neu gene amplification and protein expression, and the expression of other members of the epithelial growth factor receptor family...
November 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29096639/renal-clear-cell-carcinoma-metastasis-to-the-breast-ten-years-after-nephrectomy-a-case-report-and-literature-review
#10
Yanjun Xu, Rui Hou, Qijie Lu, Yifan Deng, Bin Hu
BACKGROUND: Renal cell carcinoma most commonly metastasizes to the lungs, skeleton or liver. Metastatic renal cell carcinoma to the breast is very rare, especially for clear cell carcinoma, and few cases regarding this condition have been reported. CASE PRESENTATION: The case we presented was a 68-year-old Chinese female with metastatic renal clear cell carcinoma of the left breast 10 years after a nephrectomy. Identification of the metastatic renal clear cell carcinoma in the breast required multiple breast imaging modalities...
November 2, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/29095272/treatment-of-triple-negative-breast-cancer-with-chinese-herbal-medicine-a-prospective-cohort-study-protocol
#11
MULTICENTER STUDY
Hui Meng, Nan Peng, Mingwei Yu, Xu Sun, Yunfei Ma, Guowang Yang, Xiaomin Wang
INTRODUCTION: Triple-negative breast cancer (TNBC) is featured with the biological properties of strong aggressive behaviors, rapid disease progression, high risk of recurrence and metastasis, and low disease free survival. Patients with this tumor are insensitive to the endocrine therapy and target treatment for HER-2; therefore, chemotherapy is often used as routine treatment in clinical. Because of the fact that a considerable number of patients seek for Chinese herbal medicine (CHM) treatment after operation and chemotherapy and (or) radiotherapy, it is thus need to evaluate the correlation between Chinese herbal medicine treatment and prognosis...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29092024/characterization-of-male-breast-cancer-results-of-the-eortc-10085-tbcrc-big-nabcg-international-male-breast-cancer-program
#12
F Cardoso, J M S Bartlett, L Slaets, C H M van Deurzen, E van Leeuwen-Stok, P Porter, B Linderholm, I Hedenfalk, C Schröder, J Martens, J Bayani, C van Asperen, M Murray, C Hudis, L Middleton, J Vermeij, K Punie, J Fraser, M Nowaczyk, I T Rubio, S Aebi, C Kelly, K J Ruddy, E Winer, C Nilsson, L Dal Lago, L Korde, K Benstead, O Bogler, T Goulioti, A Peric, S Litière, K C Aalders, C Poncet, K Tryfonidis, S H Giordano
Background: Male breast cancer (BC) is rare, managed by extrapolation from female BC. The International Male BC Program aims to better characterize and manage this disease. We report the results of part 1, a retrospective-joint-analysis of cases diagnosed during a 20-year-period. Methods: Patients with follow-up and tumor samples, treated between 1990-2010, in 93 centers/nine countries. Samples were centrally analyzed in three labs (UK, NL, US). Results: Of 1822 patients enrolled, 1483 were analyzed; 63...
October 28, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29089776/fc%C3%AE-riia-and-iiia-polymorphisms-predict-clinical-outcome-of-trastuzumab-treated-metastatic-gastric-cancer
#13
De-Shen Wang, Xiao-Li Wei, Zhi-Qiang Wang, Yun-Xin Lu, Si-Mei Shi, Niu Wang, Miao-Zhen Qiu, Feng-Hua Wang, Rong-Jiao Wang, Yu-Hong Li, Rui-Hua Xu
Trastuzumab has substantial antitumor activity in metastatic gastric cancer. One such mechanism by which it exerts its antitumor activity is antibody-dependent cell-mediated cytotoxicity, which has been reported to be influenced by FcγRIIA and IIIA polymorphisms. This study is the first to assess their impact on trastuzumab efficacy in patients with metastatic gastric cancer. We retrospectively examined 42 Her-2-positive patients receiving fluorouracil and platinum-based chemotherapy and trastuzumab, and 68 Her-2-negative patients receiving fluorouracil and platinum-based chemotherapy only as the first-line treatment...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29089281/influence-of-biologic-subtype-of-inflammatory-breast-cancer-on-response-to-neoadjuvant-therapy-and-cancer-outcomes
#14
Tina J Hieken, Brittany L Murphy, Judy C Boughey, Amy C Degnim, Katrina N Glazebrook, Tanya L Hoskin
BACKGROUND: Few data exist on the influence of tumor biologic subtype on treatment response and outcomes for inflammatory breast cancer (IBC). We examined a contemporary cohort of IBC patients treated with current targeted systemic therapies, selected on the basis of tumor biologic subtype, to evaluate pathologic treatment response and cancer outcomes across biologic subtypes. PATIENTS AND METHODS: We studied 57 clinical stage T4dM0 IBC patients operated on at our institution from October 2008 to July 2015...
October 7, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29084234/quantifying-her-2-expression-on-circulating-tumor-cells-by-accept
#15
Leonie Zeune, Guus van Dalum, Charles Decraene, Charlotte Proudhon, Tanja Fehm, Hans Neubauer, Brigitte Rack, Marianna Alunni-Fabbroni, Leon W M M Terstappen, Stephan A van Gils, Christoph Brune
Circulating tumor cells (CTCs) isolated from blood can be probed for the expression of treatment targets. Immunofluorescence is often used for both the enumeration of CTC and the determination of protein expression levels related to treatment targets. Accurate and reproducible assessment of such treatment target expression levels is essential for their use in the clinic. To enable this, an open source image analysis program named ACCEPT was developed in the EU-FP7 CTCTrap and CANCER-ID programs. Here its application is shown on a retrospective cohort of 132 metastatic breast cancer patients from which blood samples were processed by CellSearch® and stained for HER-2 expression as additional marker...
2017: PloS One
https://www.readbyqxmd.com/read/29083340/nab-paclitaxel-after-docetaxel-hypersensitivity-reaction-case-report-and-literature-review
#16
Benedetta Pellegrino, Daniela Boggiani, Chiara Tommasi, Dante Palli, Antonino Musolino
Taxanes, including paclitaxel and docetaxel, are one of the most active cytotoxic agents in breast cancer  treatment  including  Her-2  positive  subtype characterized  by  aggressive  clinical  and pathological features since the early stage. However, their use is sometimes limited by the occurrence of hypersensivity reactions (HSRs) characterized by erythematous rashes, bronchospasm, respiratory distress, hypotension, and pulmonary edema. Cross-reactions between paclitaxel and docetaxel are described in literature with a rate ranging from 49% to 90%...
October 23, 2017: Acta Bio-medica: Atenei Parmensis
https://www.readbyqxmd.com/read/29081926/mucinous-cystadenocarcinoma-of-the-breast-the-challenge-of-diagnosing-a-rare-entity
#17
Nektarios Koufopoulos, Christina Goudeli, John Syrios, Evangelos Filopoulos, Lubna Khaldi
Mucinous cystadenocarcinoma is an extremely rare variant of primary breast tumor which is histologically similar to mucinous cystadenocarcinoma of the ovary and pancreas. Herein we report a case of a 63 years old woman diagnosed with diverse histological types of non-synchronous rare primary breast tumors, a medullary carcinoma of the right breast and a mucinous cystadenocarcinoma of the left breast. Macroscopically the neoplasm appeared multilocular filled with mucoid material. Under light microscopy the cystic areas were lined by columnar cells with abundant intracellular and extracellular mucin...
October 3, 2017: Rare Tumors
https://www.readbyqxmd.com/read/29072965/in-vitro-tissue-microarrays-for-quick-and-efficient-spheroid-characterization
#18
D P Ivanov, A M Grabowska
Three-dimensional (3D) in vitro microphysiological cultures, such as spheroids and organoids, promise increased patient relevance and therapeutic predictivity compared with reductionist cell monolayers. However, high-throughput characterization techniques for 3D models are currently limited to simplistic live/dead assays. By sectioning and staining in vitro microtissues, researchers can examine their structure; detect DNA, RNA, and protein targets; and visualize them at the level of single cells. The morphological examination and immunochemistry staining for in vitro cultures has historically been done in a laborious manner involving testing one set of cultures at a time...
October 1, 2017: SLAS Discovery
https://www.readbyqxmd.com/read/29072390/impact-of-her-2-overexpression-on-survival-of-patients-with-metastatic-breast-cancer
#19
Giovana Tavares dos Santos, Natália Dressler Camillo, Maiquidieli Dal Berto, João Carlos Prolla, Ivana Beatrice Mânica da Cruz, Adriana Vial Roehe, Rosicler Luzia Brackmann, Keli Critine Reiter, Claudia Giuliano Bica
Introduction: Breast cancer is a complex and heterogeneous disease which is increasingly important as a public health problem. In Brazil, 57,960 new cases have been estimated to be the burden in 2016 and 2017. Despite advances in early diagnosis and therapy, approximately 20-30% of patients, even with early stage lesions, will develop distant metastatic disease. Tumors with similar clinical and pathological presentations may have differing behavior, so it is important to understand specific biological characteristics...
October 26, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29067051/correlation-between-the-expression-of-topo-ii%C3%AE-and-ki67-in-breast-cancer-and-its-clinical-pathological-characteristics
#20
Jihai Jin, Dongxing Zheng, Yujuan Liu
OBJECTIVE: To investigate the expression of Topo IIα and Ki67 and its clinical significance. METHODS: The clinical pathological data of one hundred and sixteen invasive breast cancer patients who were admitted into our hospital from July 2013 to December 2015 and underwent radical mastectomy were retrospectively analyzed. The expression of topoisomerase (Topo) IIα and Ki67 was detected using immunohistochemical method, and the correlation between the two kinds of proteins and the general clinical pathological characteristics of the patients was analyzed...
July 2017: Pakistan Journal of Medical Sciences Quarterly
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