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Mucinous breast cancer

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https://www.readbyqxmd.com/read/27916594/application-of-abbreviated-protocol-of-magnetic-resonance-imaging-for-breast-cancer-screening-in-dense-breast-tissue
#1
Shuang-Qing Chen, Min Huang, Yu-Ying Shen, Chen-Lu Liu, Chuan-Xiao Xu
RATIONALE AND OBJECTIVES: The study aimed to evaluate the usefulness of an abbreviated protocol (AP) of magnetic resonance imaging (MRI) in comparison to a full diagnostic protocol (FDP) of MRI in the breast cancer screening with dense breast tissue. MATERIALS AND METHODS: There are 478 female participants with dense breast tissue and negative mammography results, who were imaged with MRI using AP and FDP. The AP and FDP images were analyzed separately, and the sensitivity and specificity of breast cancer detection were calculated...
December 1, 2016: Academic Radiology
https://www.readbyqxmd.com/read/27895868/immunohistochemical-subtypes-of-breast-cancer-correlation-with-clinicopathological-and-radiological-factors
#2
Yu-Mee Sohn, Kyunghwa Han, Mirinae Seo
BACKGROUND: The relationship between biomarkers and imaging features is important because imaging findings can predict molecular features. OBJECTIVES: To investigate the relationship between clinicopathologic and radiologic factors and the immunohistochemical (IHC) profiles associated with breast cancer. PATIENTS AND METHODS: From December 2004 to September 2013, 200 patients (mean age, 56 years; range, 29 - 82 years) were diagnosed with breast cancer and underwent surgery at our institution...
October 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27893710/muc1-c-activates-bmi1-in-human-cancer-cells
#3
M Hiraki, T Maeda, A Bouillez, M Alam, A Tagde, K Hinohara, Y Suzuki, T Markert, M Miyo, K Komura, R Ahmad, H Rajabi, D Kufe
B-cell-specific Moloney murine leukemia virus integration site 1 (BMI1) is a component of the polycomb repressive complex 1 (PRC1) complex that is overexpressed in breast and other cancers, and promotes self-renewal of cancer stem-like cells. The oncogenic mucin 1 (MUC1) C-terminal (MUC1-C) subunit is similarly overexpressed in human carcinoma cells and has been linked to their self-renewal. There is no known relationship between MUC1-C and BMI1 in cancer. The present studies demonstrate that MUC1-C drives BMI1 transcription by a MYC-dependent mechanism in breast and other cancer cells...
November 28, 2016: Oncogene
https://www.readbyqxmd.com/read/27881002/expression-of-orphan-gpr56-correlates-with-tumor-progression-in-human-epithelial-ovarian-cancer
#4
Z Liu, Z Huang, W Yang, Z Li, S Xing, H Li, B Hu, P Li
G protein-coupled receptor 56 (GPR56) has been demonstrated to be a significant prognostic predictor in several types of malignances, including melanoma, glioblastoma, breast cancer, colon cancer, and pancreatic cancer. GPR56 has a putative mucin-like extracellular domain, indicating functions for this receptor in the cell-cell interactions and triggering different downstream signaling pathways responsible for regulating cell survival, proliferation, adhesion, and migration. But the expression and clinical significance of GPR56 has not been elucidated in epithelial ovarian cancer (EOC)...
November 24, 2016: Neoplasma
https://www.readbyqxmd.com/read/27869446/-oncopathological-aspects-of-brca1-and-brca2-genes-inactivation-in-tumors-of-ovary-fallopian-tube-and-pelvic-peritoneum
#5
Petr Škapa, Pavel Dundr
Ovarian carcinoma represents a heterogeneous group of malignant epithelial tumors which could be divided into two fundamental groups: Type I (endometrioid carcinoma, clear cell carcinoma, low grade serous carcinoma, mucinous carcinoma and more rare seromucinous carcinoma and malignant Brenner tumor) and type II (high grade serous carcinoma - HGSC). HGSC is the most frequent ovarian carcinoma which may be etiologically linked to inactivation of tumor suppressor genes BRCA1/2 and TP53 and differs from type I carcinomas by higher aggressiveness, tendency to peritoneal spread and worse prognosis...
2016: Ceskoslovenská Patologie
https://www.readbyqxmd.com/read/27863037/multivalent-aptamer-rna-conjugates-for-simple-and-efficient-delivery-of-doxorubicin-sirna-into-multidrug-resistant-cells
#6
Hyosook Jeong, Soo Hyeon Lee, Yeonju Hwang, Hyundong Yoo, Heesun Jung, Sun Hwa Kim, Hyejung Mok
Multivalent aptamer-siRNA conjugates containing multiple mucin-1 aptamers and BCL2-specific siRNA are synthesized, and doxorubicin, an anthracycline anticancer drug, is loaded into these conjugates through intercalation with nucleic acids. These doxorubicin-incorporated multivalent aptamer-siRNA conjugates are transfected to mucin-1 overexpressing MCF-7 breast cancer cells and their multidrug-resistant cell lines. Doxorubicin-incorporated multivalent aptamer-siRNA conjugates exert promising anticancer effects, such as activation of caspase-3/7 and decrease of cell viability, on multidrug-resistant cancer cells because of their high intracellular uptake efficiency...
November 10, 2016: Macromolecular Bioscience
https://www.readbyqxmd.com/read/27853516/pattern-of-triple-negative-epithelial-ovarian-cancer-in-indigenous-african-women
#7
Mustapha Akanji Ajani, Ayodeji Akeem Salami, Olutosin Alaba Awolude, Abideen Olayiwola Oluwasola
Background: Triple negative epithelial ovarian cancer (TNEOC)  refers to ovarian carcinomas that do not express estrogen receptor (ER), progesterone receptor (PR) and human epidermal growth factor receptor- type 2 (HER-2/neu).  The aim of this study is to determine the pattern of triple negative epithelial ovarian cancer in indigenous African women. Methods: We performed a retrospective review of ER, PR and HER-2/neu expression in 90 Nigerian patients with histologically diagnosed epithelial ovarian cancer...
2016: F1000Research
https://www.readbyqxmd.com/read/27846863/prognostic-significance-of-mucin-expression-profiles-in-breast-carcinoma-with-signet-ring-cells-a-clinicopathological-study
#8
Ryuji Ohashi, Ayako Hayama, Keiko Yanagihara, Koji Yamashita, Takashi Sakatani, Hiroyuki Takei, Zenya Naito
BACKGROUND: Signet ring cells (SRCs) often accompany gastrointestinal carcinoma, referred to as SRC carcinoma; however, breast cancers containing SRCs have not been well characterized, leaving the prognostic significance of SRCs undetermined. We have described clinicopathological characteristics of patients with breast cancer containing SRCs in relation to the expression levels of MUC1, MUC2, MUC4, MUC5AC, and MUC6. METHODS: Twenty-two breast cancer cases with variable degrees of SRC population were retrospectively studied...
November 15, 2016: Diagnostic Pathology
https://www.readbyqxmd.com/read/27829225/cell-membrane-anchored-muc4-promotes-tumorigenicity-in-epithelial-carcinomas
#9
Pengpeng Xia, Agnes Hakyung Choi, Zengping Deng, Yuqian Yang, Jing Zhao, Yiting Wang, Philip R Hardwidge, Guoqiang Zhu
The cell surface membrane-bound mucin protein MUC4 promotes tumorigenicity, aggressive behavior, and poor outcomes in various types of epithelial carcinomas, including pancreatic, breast, colon, ovarian, and prostate cancer. This review summarizes the theories and findings regarding MUC4 function, and its role in epithelial carcinogenesis. Based on these insights, we developed an outline of the processes and mechanisms by which MUC4 critically supports the propagation and survival of cancer cells in various epithelial organs...
November 4, 2016: Oncotarget
https://www.readbyqxmd.com/read/27821315/current-perspectives-on-recommendations-for-brca-genetic-testing-in-ovarian-cancer-patients
#10
Ignace Vergote, Susana Banerjee, Anne-Marie Gerdes, Christi van Asperen, Christian Marth, Fatima Vaz, Isabelle Ray-Coquard, Dominique Stoppa-Lyonnet, Antonio Gonzalez-Martin, Jalid Sehouli, Nicoletta Colombo
Traditionally, BRCA genetic testing has been undertaken to identify patients and family members at future risk of developing cancer and patients have been referred for testing based on family history. However, the now recognised risk of ovarian cancer (OC) patients, even those with no known family history, harbouring a mutation in BRCA1/2, together with the first poly adenosine diphosphate ribose polymerase inhibitor (PARPi; olaparib [Lynparza]) being licenced for the treatment of BRCA-mutated OC, has led to reconsideration of referral criteria for OC patients...
December 2016: European Journal of Cancer
https://www.readbyqxmd.com/read/27821098/frequency-of-her2-neu-expression-in-colorectal-adenocarcinoma-a-study-from-developing-south-asian-country
#11
Asma Shabbir, Talat Mirza, Abdullah Bin Khalid, Muhammad Asif Qureshi, Sadaf Ahmed Asim
BACKGROUND: Human Epidermal Growth Factor (Her-2/neu) has strong therapeutic implications in certain cancers like breast and gastric cancer. Literature on its frequency in colorectal cancer is scarce. In this study, we have investigated the frequency of Her-2/neu expression in colorectal adenocarcinomas and its association with various clinicopathological variables. METHODS: A total of 95 patients who underwent colonoscopic biopsy or colectomy were studied after Institutional Ethical Approval...
November 7, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27793528/-mucinous-carcinoma-of-the-breast-clinical-biological-and-evolutive-profile
#12
N Naqos, A Naim, H Jouhadi, A Taleb, Z Bouchbika, N Benchakroune, N Tawfiq, S Sahraoui, A Benider
PURPOSE: Mucinous carcinoma of the breast accounts for 1 to 4% of all breast cancer. There are two histological subtypes: mixed mucinous carcinoma, where the ductal carcinoma is associated with the colloid component, and pure mucinous carcinoma, with a favorable prognosis, where the mucus surrounds the tumour tissue and constitutes a mechanical barrier limiting cell invasion and making this form less aggressive. Our study aimed to determine retrospectively the main epidemiological, clinical, biological, and therapeutic features, as well as the prognosis of this rare form of breast carcinoma...
December 2016: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/27782376/synergistic-anticancer-effect-of-peptide-docetaxel-nanoassembly-targeted-to-tubulin-toward-development-of-dual-warhead-containing-nanomedicine
#13
Saswat Mohapatra, Abhijit Saha, Prasenjit Mondal, Batakrishna Jana, Subhajit Ghosh, Atanu Biswas, Surajit Ghosh
Microtubule dynamics play a crucial role in cancer cell division. Various drugs are developed to target microtubule. Although a few of them show potential in treatment of cancer, but success rate is limited due to their poor bioavailability and lack of specificity. Thus, development of highly bioavailable and target specific anticancer drug is extremely necessary. To address these key issues, here, a combination of approaches such as development of a dodecapeptide-docetaxel nanoassembly targeted to tubulin and MUC1 (mucin 1, cell surface associated glycoprotein) targeting oligonucleotide aptamer conjugated liposome for delivering peptide-docetaxel nanoassembly into the breast cancer cell have been demonstrated...
October 26, 2016: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/27760180/clinical-nomogram-for-predicting-survival-outcomes-in-early-mucinous-breast-cancer
#14
Jianfei Fu, Lunpo Wu, Mengjie Jiang, Dan Li, Ting Jiang, Zhongwu Hong, Fan Wang, Shuguang Li
BACKGROUND: The features related to the prognosis of patients with mucinous breast cancer (MBC) remain controversial. We aimed to explore the prognostic factors of MBC and develop a nomogram for predicting survival outcomes. METHODS: The Surveillance, Epidemiology, and End Results (SEER) database was searched to identify 139611 women with resectable breast cancer from 1990 to 2007. Survival curves were generated using Kaplan-Meier methods. The 5-year and 10-year cancer-specific survival (CSS) rates were calculated using the Life-Table method...
2016: PloS One
https://www.readbyqxmd.com/read/27743835/sclerosing-odontogenic-carcinoma-presenting-on-the-hard-palate-of-a-43-year-old-female-a-case-report
#15
Andrew Wood, Fiona Young, James Morrison, Brendon I Conn
We present a case of sclerosing odontogenic carcinoma (SOC) occurring on the hard palate of a 43-year-old female. The tumor presented as an asymptomatic firm swelling and histopathologically was characterized by widely dispersed nests and cords of bland cells infiltrating between hyalinized collagen fibers. Prominent perineural and intraneural invasion and erosion of bone was noted. The tumor cells showed staining with antibodies to pan-cytokeratin (PanCK), cytokeratin 19 (CK19), cytokeratin 5/6 (CK5/6), cytokeratin 14 (CK14), p63 and E-cadherin, but no staining with antibodies to carcinoembryonic antigen (CEA), cytokeratin 7 (CK7), cytokeratin 20 (CK20), estrogen receptor (ER), progesterone receptor (PR) or S100...
December 2016: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/27718417/initial-experience-of-automated-breast-volume-scanning-abvs-and-ultrasound-elastography-in-predicting-breast-cancer-subtypes-and-staging
#16
Xiao-Lei Wang, Lin Tao, Xian-Li Zhou, Hong Wei, Jia-Wei Sun
OBJECTIVES: Breast cancer is a heterogeneous disease consisting of distinct histopathological subtypes with different clinical outcomes. In this article, we identified the automated breast volume scanning (ABVS) and shear wave velocity (SWV) characteristics of different pathological types of breast carcinoma. METHODS: A retrospective review of both ABVS and SWV imaging of 118 consecutive breast masses was performed. The imaging features of both techniques were assessed with reference to histopathological results...
December 2016: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/27698002/tnf%C3%AE-induced-mucin-4-expression-elicits-trastuzumab-resistance-in-her2-positive-breast-cancer
#17
Maria F Mercogliano, Mara De Martino, Leandro Venturutti, Martín A Rivas, Cecilia J Proietti, Gloria Inurrigarro, Isabel Frahm, Daniel H Allemand, Ernesto Gil Deza, Sandra Ares, Felipe G Gercovich, Pablo Guzmán, Juan C Roa, Patricia V Elizalde, Roxana Schillaci
Although trastuzumab administration improved the outcome of HER2-positive breast cancer patients, resistance events hampered its clinical benefits. We demonstrated that TNFα stimulation in vitro induces trastuzumab resistance in HER2-positive breast cancer cell lines. Here, we explored the mechanism of TNFα-induced trastuzumab resistance and the therapeutic strategies to overcome it. Trastuzumab-sensitive breast cancer cells, genetically engineered to stably overexpress TNFα, and de novo trastuzumab-resistant tumors, were used to evaluate trastuzumab response and TNFɑ-blocking antibodies effectiveness respectively...
October 3, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27659430/udp-n-acetyl-d-galactosamine-polypeptide-n-acetylgalactosaminyltransferase-6-pp-galnac-t6-role-in-cancer-and-prospects-as-a-drug-target
#18
Samantha Banford, David J Timson
UDP-N-acetyl-D-galactosamine: polypeptide N-acetylgalactosaminyl transferase-6 (pp-GalNAc-T6) is a member of the N-acetyl-D-galactosamine transferase family. It catalyzes the addition of N-acetyl-D-galactosamine to proteins, often the first step in O-glycosylation of proteins. Glycosylated proteins play important roles in vivo in the cell membrane. These are often involved in cell-cell adhesion, cytoskeleton regulation and immune recognition. pp-GalNAc-T6 has been shown to be upregulated in a number of types of cancer...
September 22, 2016: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/27633889/harnessing-bioinformatics-for-designing-a-novel-multi-epitope-peptide-vaccine-against-breast-cancer
#19
Shirin Mahmoodi, Navid Nezafat, Abolfazl Barzegar, Monica Negahdaripour, Ali-Reza Nikanfar, Nosratollah Zarghami, Younes Ghasemi
Breast cancer (BC) remains as one of the important causes of cancer deaths among women globally. Therefore, finding an effective treatment for BC is really needed. Cancer immunotherapy, as an emerging field, has a notable role in BC therapy. Peptide vaccines possess an outstanding role among different strategies in cancer immunotherapy. In vaccine design for cancer, induction of cellular and humoral immune responses should be considered. In the current study, cytolytic T lymphocytes (CTL) epitopes were evoked from human epidermal growth factor receptor (HER2), mucin 1 protein (MUC1), and heparanase antigenic proteins; and helper T lymphocytes (HTL) epitopes were determined from survivin protein by various immunoinformatics servers...
September 14, 2016: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/27630326/association-of-ca27-29-and-circulating-tumor-cells-before-and-at-different-times-after-adjuvant-chemotherapy-in-patients-with-early-stage-breast-cancer-the-success-trial
#20
Philip Hepp, Ulrich Andergassen, Bernadette Jäger, Elisabeth Trapp, Marianna Alunni-Fabbroni, Thomas W P Friedl, Nadeschda Hecker, Ralf Lorenz, Peter Fasching, Andreas Schneeweiss, Tanja Fehm, Wolfgang Janni, Brigitte Rack
BACKGROUND: Evidence for the prognostic value of circulating tumor cells (CTCs) in early-stage breast cancer is swiftly increasing. An alternative approach for identifying patients at risk for recurrence is based on the detection of the mucin-1 (MUC1)-based tumor marker CA27.29. Here we report the association of these two prognostic markers before and immediately after chemotherapy (CHT), as well as after 2 and 5 years of follow-up. PATIENTS AND METHODS: The SUCCESS trial compared fluorouracil, epirubicin and cyclophosphamide followed by docetaxel vs...
September 2016: Anticancer Research
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