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Mucinous breast cancer

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https://www.readbyqxmd.com/read/29784385/simultaneous-isolation-and-detection-of-single-breast-cancer-cells-using-surface-enhanced-raman-spectroscopy
#1
Melina Yarbakht, Maryam Nikkhah, Ahmad Moshaii, Karina Weber, Christian Matthäus, Dana Cialla-May, Jürgen Popp
Nowadays, cancer is one of the most dangerous and deadly disease all around the world. Cancer that is diagnosed at early stages is more likely to be treated successfully. Treatment of progressed cancer is very difficult, and generally surviving rates are much lower. Therefore, much research has been focused on developing non-invasive methods for detection of cancer and monitoring of its progress. Within this contribution, we present a novel strategy for selective isolation and detection of breast cancer cell lines (MCF-7 and BT-20) based on surface enhanced Raman scattering (SERS)...
August 15, 2018: Talanta
https://www.readbyqxmd.com/read/29771766/prevalence-of-extrapancreatic-malignancies-among-patients-with-intraductal-papillary-mucinous-neoplasms-of-the-pancreas
#2
Nikola Panic, Federico Macchini, Sonia Solito, Stefania Boccia, Emanuele Leoncini, Alberto Larghi, Debora Berretti, Sara Pevere, Salvatore Vadala, Marco Marino, Maurizio Zilli, Milutin Bulajic
OBJECTIVES: We conducted a study in order to assess the prevalence of extrapancreatic malignancies (EPMs) in a cohort of patients with intraductal papillary mucinous neoplasms (IPMNs) from northeast of Italy. METHODS: A study was conducted in hospital Santa Maria della Misericordia, Udine, Italy. Hospital records were screened in order to identify newly diagnosed IPMN cases in the period from January 1, 2009, to December 31, 2015. We searched for EPMs diagnosed previous to, synchronous to, or after the IPMN...
May 17, 2018: Pancreas
https://www.readbyqxmd.com/read/29764038/-expression-and-distribution-of-programmed-death-receptor-1-and-t-cell-immunoglobulin-mucin-3-in-breast-cancer-microenvironment-and-its-relationship-with-clinicopathological-features
#3
H Shen, H Sheng, J J Lu, C Feng, M Yao, H Pan, L S Xu, J F Shen, Y Zheng, Y L Zhou
Objective: To explore the expression and distribution of programmed death receptor 1 (PD-1) and T-cell immunoglobulin mucin 3 (TIM-3) in breast cancer microenvironment and analyze the their correlation with the clinicopathological features. Methods: The specimens of tumor tissue and adjacent tissues from 30 patients with infiltrative breast cancer who were diagnosed as breast cancer from June 2016 to May 2017 in The First Hospital of Jiaxing were collected, and the specimen were divided into two parts along the center...
May 8, 2018: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29707121/foxm1-is-an-independent-poor-prognostic-marker-and-therapeutic-target-for-advanced-middle-eastern-breast-cancer
#4
Abdul Khalid Siraj, Poyil Pratheeshkumar, Sandeep Kumar Parvathareddy, Zeeshan Qadri, Saravanan Thangavel, Saeeda Ahmed, Fouad Al-Dayel, Asma Tulbah, Dahish Ajarim, Khawla S Al-Kuraya
Breast cancer (BC) is the most common cause of cancer-related death in females in Saudi Arabia. BC in Saudi women tend to behave more aggressively than breast cancer in the West. Therefore, identification of new molecular targets and treatment strategies are highly warranted to improve patient outcome. FoxM1 has been shown to play a critical role in pathogenesis of various malignancies. In this study, we explored the prevalence and clinical implication of FoxM1 overexpression in Saudi breast cancer. FoxM1 protein overexpression was seen in 79% (770/975) of BC tissues and was associated with aggressive clinical parameters such as younger age (< 30 yrs) ( p = 0...
April 3, 2018: Oncotarget
https://www.readbyqxmd.com/read/29658333/mucinous-breast-carcinoma-with-tall-columnar-cells
#5
N Tsoukalas, M Kiakou, M Tolia, I D Kostakis, M Galanopoulos, G Nakos, D Tryfonopoulos, G Kyrgias, G Koumakis
Mucinous carcinoma of the breast represents 1%-4% of all breast cancers. The World Health Organization classification divides this type of tumour into three different subtypes: mucinous carcinoma, mucinous carcinoma with tall columnar cells (mucinous cystadenocarcinoma and columnar cell mucinous carcinoma) and signet ring cell carcinoma. A 74-year-old woman presented a tumour with inflammatory features in the upper outer quadrant of her left breast, 7 cm in diameter. The core biopsy showed infiltrating ductal carcinoma of no specific type...
April 16, 2018: Annals of the Royal College of Surgeons of England
https://www.readbyqxmd.com/read/29610121/response-to-erbb3-directed-targeted-therapy-in-nrg1-rearranged-cancers
#6
Alexander Drilon, Romel Somwar, Biju P Mangatt, Henrik Edgren, Patrice Desmeules, Anja Ruusulehto, Roger S Smith, Lukas Delasos, Morana Vojnic, Andrew J Plodkowski, Joshua Sabari, Kenneth Ng, Joseph Montecalvo, Jason Chang, Huichun Tai, William W Lockwood, Victor Martinez, Gregory J Riely, Charles M Rudin, Mark G Kris, Maria E Arcila, Christopher Matheny, Ryma Benayed, Natasha Rekhtman, Marc Ladanyi, Gopinath Ganji
NRG1 rearrangements are oncogenic drivers that are enriched in invasive mucinous adenocarcinomas (IMAs) of the lung. The oncoprotein binds ERBB3-ERBB2 heterodimers and activates downstream signaling, supporting a therapeutic paradigm of ERBB3/ERBB2 inhibition. As proof of concept, a durable response was achieved with anti-ERBB3 monoclonal antibody therapy (GSK2849330) in an exceptional responder with an NRG1-rearranged IMA on a phase 1 trial (NCT01966445). In contrast, response was not achieved with anti-ERBB2 therapy (afatinib) in four NRG1-rearranged IMA patients (including the index patient post-GSK2849330)...
April 2, 2018: Cancer Discovery
https://www.readbyqxmd.com/read/29595104/association-of-metronidazole-with-cancer-a-potential-risk-factor-or-inconsistent-deductions
#7
Muhammad Adil, Waheed Iqbal, Fazal Adnan, Shabnam Wazir, Imran Khan, Mohammad Umar Khayam, Mohammad Amjad Kamal, Shafiq Ahmad, Jawad Ahmad, Ishaq N Khan
Metronidazole is a synthetic derivative of nitroimidazole that has been widely used for the treatment of several bacterial and protozoal parasitic infections including trichomoniasis, amoebiasis, giardiasis, liver abscess, acute ulcerative gingivitis, syphilis and tropical phagedena. In addition to its toxicity in the gastrointestinal tract and central/peripheral nervous system, metronidazole has been reported to cause mucosal imbalance by affecting the expression of mucin (Muc2 gene), which is responsible to form an insoluble mucous barrier that protects the gut lumen from microbial colonization...
March 29, 2018: Current Drug Metabolism
https://www.readbyqxmd.com/read/29562481/huge-mucinous-carcinoma-of-the-breast-in-which-doubling-time-was-observed-by-computed-tomography-during-3-years-without-treatment
#8
Bunzo Nakata, Kenji Kuroda, Yasuhiko Yoshida, Nozomi Iimori, Go Masuda, Tomihiro Lee, Masashige Tendo, Takeshi Hori, Hiroshi Sato, Tetsuro Ishikawa
Here we report the case of a 77-year-old woman with a huge cancer of the right breast for which size was measured on computed tomography in our hospital preoperatively and in other hospital 3 years earlier. During the 3-year untreated interval, the tumor grew from 4 cm to 13 cm in maximum diameter, and the tumor-volume doubling time (TVDT) was calculated as 209 days. The patient underwent mastectomy with axillary lymph node dissection, with the large skin defect covered by autologous skin graft. The pathological diagnosis was pure mucinous carcinoma (MC) of the breast with a low MIB-1 index, no vessel invasion, and no lymph node metastasis...
March 16, 2018: Breast Disease
https://www.readbyqxmd.com/read/29533281/a-case-of-a-malignant-cutaneous-mixed-tumor-chondroid-syringoma-of-the-scapula-treated-with-staged-margin-controlled-excision
#9
Karan Lal, Travis J Morrell, Michael Cunningham, Patrick OʼDonnell, Nikki A Levin, Kristine M Cornejo
Cutaneous mixed tumor (chondroid syringoma) is the cutaneous counterpart of pleomorphic adenoma of salivary glands, comprised of both epithelial and mesenchymal components. Malignant transformation is exceptionally rare, with only a few cases reported. We report a case of a malignant cutaneous mixed tumor in an 86-year-old white man who presented with a pink indurated plaque on his left scapula. He had a history of nonmelanoma skin cancers, a stage IB malignant melanoma of a lower extremity and Gleason 4 + 3 prostate cancer treated with brachytherapy, external beam irradiation, and bicalutamide...
March 6, 2018: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/29532008/associations-between-genomic-stratification-of-breast-cancer-and-centrally-reviewed-tumour-pathology-in-the-metabric-cohort
#10
A Mukherjee, R Russell, Suet-Feung Chin, B Liu, O M Rueda, H R Ali, G Turashvili, B Mahler-Araujo, I O Ellis, S Aparicio, C Caldas, E Provenzano
The integration of genomic and transcriptomic profiles of 2000 breast tumours from the METABRIC [Molecular Taxonomy of Breast Cancer International Consortium] cohort revealed ten subtypes, termed integrative clusters (IntClust/s), characterised by distinct genomic drivers. Central histopathology ( N  = 1643) review was undertaken to explore the relationship between these ten molecular subtypes and traditional clinicopathological features. IntClust subtypes were significantly associated with histological type, tumour grade, receptor status, and lymphocytic infiltration ( p  < 0...
2018: NPJ Breast Cancer
https://www.readbyqxmd.com/read/29501157/dual-target-recognition-sandwich-assay-based-on-core-shell-magnetic-mesoporous-silica-nanoparticles-for-sensitive-detection-of-breast-cancer-cells
#11
Weiwei Wang, Suqin Liu, Chengjie Li, Yan Wang, Chao Yan
A novel dual-target recognition sandwich strategy for selective capture and detection of MCF-7 breast cancer cells based on core-shell magnetic mesoporous silica (Fe3 O4 @nSiO2 @mSiO2 @apt) nanoparticles was developed. Fe3 O4 @nSiO2 @mSiO2 @apt nanoparticles, which were prepared by a layer-by-layer method and were used for the first time to capture cancer cells, have large surface areas, particularly accessible mesochannels, and good biocompatibility, enabling aptamers to be compactly anchored onto the surface of the core-shell magnetic nanoparticles...
May 15, 2018: Talanta
https://www.readbyqxmd.com/read/29464085/intravesicular-epidermal-growth-factor-receptor-subject-to-retrograde-trafficking-drives-epidermal-growth-factor-dependent-migration
#12
Sabrina Maisel, Derrick Broka, Joyce Schroeder
The Epidermal Growth Factor Receptor (EGFR) is frequently mutated and overexpressed in metastatic cancer. Although EGFR is a transmembrane tyrosine kinase localized to the basolateral membrane in normal epithelium, it is frequently found intracellularly localized in transformed cells. We have previously demonstrated the epithelial adaptor protein mucin 1 (MUC1) alters trafficking of EGFR, inhibiting its degradation and promoting its translocation to the nucleus, where it can directly modulate gene transcription...
January 19, 2018: Oncotarget
https://www.readbyqxmd.com/read/29460329/population-based-testing-of-non-mucinous-epithelial-ovarian-cancer-in-scotland
#13
D G Evans, R Edmondson, E J Crosbie
Rust and colleagues provide strong support for the extension of BRCA1/2 germline testing to all high grade serous ovarian cancer (HGSOC) cases regardless of family history (Rust et al, BJOG 2018). The reflex testing of all consenting cases uncovered the deficiencies of the previous system whereby many women with a family history in the prevalent population of previous ovarian cancer were not tested despite having a Manchester score of ≥15, equivalent to a 10% detection rate or greater of a BRCA1/2 pathogenic variant (Evans et al, J Med Genet 2017;54:674-681)...
February 20, 2018: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/29436685/anti-angiogenic-and-pro-apoptotic-effects-of-a-small-molecule-jfd-ws-in-in-vitro-and-breast-cancer-xenograft-mouse-models
#14
Appu Rathinavelu, Thanigaivelan Kanagasabai, Sivanesan Dhandayuthapani, Khalid Alhazzani
A small molecule that was developed for blocking vascular endothelial growth factor receptor 2 (VEGFR2) has been tested and confirmed for its anti-angiogenic activity. Subsequently, it was modified into a water soluble salt form (JFD-WS) to increase bioavailability and distribution during in vivo pre-clinical testing. The present study was designed to further evaluate the anti-angiogenic and pro-apoptotic effects of JFD-WS in monotherapy as well as in combination with paclitaxel (Taxol) using a mouse xenograft model...
April 2018: Oncology Reports
https://www.readbyqxmd.com/read/29434943/mechanism-of-anticancer-action-of-novel-berenil-complex-of-platinum-ii-combined-with-anti-muc1-in-mcf-7-breast-cancer-cells
#15
Agnieszka Gornowicz, Anna Bielawska, Wojciech Szymanowski, Halina Gabryel-Porowska, Robert Czarnomysy, Krzysztof Bielawski
Mucin 1 (MUC1) is a high molecular weight transmembrane glycoprotein, that is overexpressed in >90% of breast cancers. It serves a crucial role in anti-apoptosis and tumor progression. MUC1 interacts with proteins in the extracellular matrix, at the cell membrane, in the cytoplasm and in the nucleus. The aim of the present study was to investigate the mechanism of anticancer action induced by novel berenil complex of platinum(II) (Pt12) together with a monoclonal antibody against MUC1 in breast cancer MCF-7 cells...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29434859/silencing-of-suppressor-of-cytokine-signaling-1-enhances-the-immunological-effect-of-mucin-1-calreticulin-primed-4t1-cell-treated-dendritic-cells-in-breast-cancer-treatment
#16
Song Qin, Zhipeng Gao, Yu Liu, Changbai Liu, Jun Wang, Li Li Zou
In cancer immunotherapy, dendritic cell (DC)-based vaccines represent a promising, yet challenging, treatment method. In addition to overcoming the low expression levels of antigenic epitopes on cancer cells, it is also necessary to overcome the inhibitory effect of suppressor of cytokine signaling 1 (SOCS1) on DC self-antigen presentation. Our group previously demonstrated that calreticulin (CRT) translocated type I transmembrane glycoprotein mucin 1 (MUC1), a breast cancer antigen, to the surface of 4T1 cells, and that treatment with MUC1-CRT-primed 4T1 cell-treated DCs induced apoptosis in a breast cancer cell line...
February 2018: Oncology Letters
https://www.readbyqxmd.com/read/29396666/cross-reactivity-between-muc1-antigen-and-mca-false-elevation-of-serum-ca-15-3-level-in-pregnant-and-lactating-women-by-ma695-ma552-based-assay
#17
Guangshu Liang, Xuqian Fang, Xiaoyi Lin, Xiaojing Feng, Huangying Lu, Yinglei Wan, Zhidong Gu
PURPOSE: Cancer antigen 153 (CA 15-3) is one of the most commonly used biomarkers of breast cancer. However, elevated CA 15-3 is reported in pregnant and lactating women more frequently on Beckman DxI 800 immunoassay system (Ma695-Ma552 antibody pair) than on Abbott ARCHITECT system (115D8-DF3 antibody pair) in laboratory methodological evaluation. We conducted this study in order to figure out the reason behind this phenomenon. METHODS: Serum CA 15-3 concentration was analyzed in 426 subjects, including 180 patients with breast cancer, 121 patients with benign breast disease, and 125 healthy volunteers (45 pregnant and 80 non-pregnant women)...
February 2, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29383101/cxcr2-mdscs-promote-breast-cancer-progression-by-inducing-emt-and-activated-t-cell-exhaustion
#18
Ha Zhu, Yan Gu, Yiquan Xue, Ming Yuan, Xuetao Cao, Qiuyan Liu
Although myeloid-derived suppressor cells (MDSCs) have been demonstrated to contribute to tumor initiation, progression and metastasis, however, which MDSC subsets are preferentially expanded and activated, and what's the key molecular mechanism responsible for specific MDSC subsets in promoting tumor progression need to be fully addressed. Here we identify that Ly6Gmi Ly6Clo CD11b+ CXCR2+ subpopulation (named CXCR2+ MDSCs) are predominately expanded and recruited in systemic and local tumor microenvironment during breast cancer progression and metastasis...
December 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29373116/uncommon-hereditary-gynaecological-tumour-syndromes-pathological-features-in-tumours-that-may-predict-risk-for-a-germline-mutation
#19
REVIEW
Karuna Garg, Anthony N Karnezis, Joseph T Rabban
The most common hereditary gynaecological tumour syndromes are hereditary breast and ovarian cancer syndrome and Lynch syndrome. However, pathologists also may encounter gynaecological tumours in women with rare hereditary syndromes. Many of these tumours exhibit distinctive gross and microscopic features that are associated with a risk for an inherited gene mutation. The sensitivity and specificity of these tumour pathology features for predicting an inherited mutation vary depending on the syndrome. By recognising these tumour features, pathologists may potentially contribute to the diagnosis of an unsuspected syndrome by recommending referral of the patient for formal risk assessment by genetic counselling...
February 2018: Pathology
https://www.readbyqxmd.com/read/29353288/quercetin-inhibits-breast-cancer-stem-cells-via-downregulation-of-aldehyde-dehydrogenase-1a1-aldh1a1-chemokine-receptor-type-4-cxcr4-mucin-1-muc1-and-epithelial-cell-adhesion-molecule-epcam
#20
Rong Wang, Laixiu Yang, Shen Li, Dongmei Ye, Lihong Yang, Qingyan Liu, Zibo Zhao, Qing Cai, Junzhen Tan, Xiuli Li
BACKGROUND Quercetin, nature's most common flavonoid, possesses anticarcinogenic properties against various forms of cancer. The aim of this study was to investigate the effect of quercetin on breast cancer stem cells in the MDA-MB-231 cell line, and to elucidate the possible mechanisms for those effects. MATERIAL AND METHODS We evaluated breast cancer stem cell proliferation, clone generation, and mammosphere formation to determine the effect of quercetin treatment on breast cancer stem cells. RESULTS In our study, quercetin suppressed breast cancer stem cell proliferation, self-renewal, and invasiveness...
January 21, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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