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Mucinous breast cancer

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https://www.readbyqxmd.com/read/28528509/invasive-lobular-carcinoma-with-extracellular-mucin-production-a-novel-pattern-of-lobular-carcinomas-of-the-breast-clinico-pathological-description-of-eight-cases
#1
Gábor Cserni, Giuseppe Floris, Nektarios Koufopoulos, Anikó Kovács, Afroditi Nonni, Peter Regitnig, Anders Stahls, Zsuzsanna Varga
Invasive lobular carcinoma of the breast is known to produce intracellular mucin and has been recognized in single-case reports to show extracellular mucin production, as well. This latter morphology is not only rare but must also be under- or misdiagnosed. The aim was to better characterize this entity. Cases of lobular cancers demonstrating extracellular mucin formation were identified in a multi-institutional effort and their clinical and morphologic features were assessed. Immunohistochemistry was used to characterize the E-cadherin-membrane complex, neuroendocrine differentiation, and to some extent, mucin formation...
May 20, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28522938/mucin-1-antibody-conjugated-mesoporous-silica-nanoparticles-for-selective-breast-cancer-detection-in-a-mucin-1-transgenic-murine-mouse-model
#2
Didier Dréau, Laura Jeffords Moore, Merlis P Alvarez-Berrios, Mubin Tarannum, Pinku Mukherjee, Juan L Vivero-Escoto
Mucin-1 (MUC1), a transmembrane glycoprotein is aberrantly expressed on ~90% of breast cancer and is an excellent target for nanoparticulate targeted imaging. In this study, the development of a dye-doped NIR emitting mesoporous silica nanoparticles platform conjugated to tumor-specific MUC1 antibody (ab-tMUC1-NIR-MSN) for in vivo optical detection of breast adenocarcinoma tissue is reported. The structural properties, the in vitro and in vivo performance of this nanoparticle-based probe were evaluated. In vitro studies showed that the MSN-based optical imaging nanoprobe is non-cytotoxic and targets efficiently mammary cancer cells overexpressing human tMUC1 protein...
December 2016: Journal of Biomedical Nanotechnology
https://www.readbyqxmd.com/read/28511393/utility-of-tru-cut-biopsy-of-breast-lesions-an-experience-in-a-regional-cancer-center-of-a-developing-country
#3
Sagarika Samantaray, Niharika Panda, Kusumabati Besra, Lucy Pattanayak, Subrat Samantara, Sashibhusan Dash
INTRODUCTION: Tru-cut Needle Biopsy (TCB) is an integral part of triple assessment of breast cancer, which includes clinical assessment, mammography and TCB or Core Needle Biopsy (CNB). The technique is reliable, simple, and reproducible, and inexpensive, which can be adapted even for low-income group of patients and in developing countries. AIM: This study was done to establish the efficacy of TCB of palpable breast lesions in a developing country where mammography is not possible in all cases...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28500412/-hereditary-breast-and-ovarian-cancer
#4
REVIEW
S F Lax
Hereditary breast and ovarian carcinomas are frequently caused by germline mutations of the BRCA1 and BRCA2 genes (BRCA1/2 syndromes) and are often less associated with other hereditary syndromes such as Li-Fraumeni and Peutz-Jeghers. The BRCA1/2 proteins have a special role in DNA repair. Therefore, loss of function due to mutation causes an accumulation of mutations in other genes and subsequent tumorigenesis at an early age. BRCA1/2 mutations are irregularly distributed over the length of the genes without hot spots, although special mutations are known...
May 12, 2017: Der Pathologe
https://www.readbyqxmd.com/read/28455978/n-acetylcysteine-breaks-resistance-to-trastuzumab-caused-by-muc4-overexpression-in-human-her2-positive-bc-bearing-nude-mice-monitored-by-89zr-trastuzumab-and-18f-fdg-pet-imaging
#5
Zéna Wimana, Geraldine Gebhart, Thomas Guiot, Bruno Vanderlinden, Denis Larsimont, Gilles Doumont, Gaetan Van Simaeys, Serge Goldman, Patrick Flamen, Ghanem Ghanem
Trastuzumab remains an important drug in the management of human epidermal growth factor receptor 2 (HER2) overexpressing breast cancer (BC). Several studies reported resistance mechanisms to trastuzumab, including impaired HER2-accessibility caused by mucin 4 (MUC4). Previously, we demonstrated an increase of Zirconium-89-radiolabeled-trastuzumab (89Zr-Trastuzumab) accumulation when MUC4-overexpressing BC-cells were challenged with the mucolytic drug N-Acetylcysteine (NAC). Hereby, using the same approach we investigated whether tumor exposure to NAC would also enhance trastuzumab-efficacy...
April 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28454303/expression-of-er%C3%AE-gene-in-breast-carcinoma-and-the-relevance-in-neoadjuvant-therapy
#6
Jing Chang, Jihong Liu, Huiying Li, Jing Li, Yanling Mu, Bin Feng
In the present study, we examined the expression of the estrogen receptor β (ERβ) gene in breast cancer and its relevance in neoadjuvant therapy. In total, 120 breast cancer patients who were hospitalized in the Departments of Breast Disease and Medical Oncology served as the subjects of this study. The subjects were diagnosed with breast cancer phase II to phase IIIA, as confirmed by aspiration biopsy and iconography. The patients were divided into two groups in a randomized control manner, with 60 patients in each group...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454221/expression-of-inositol-requiring-enzyme-1%C3%AE-is-downregulated-in-colorectal-cancer
#7
Yalin Jiang, Yunfeng Zhou, Yufeng Zheng, Hong Guo, Lei Gao, Pan Chen, Dandan Feng, Ran Qi, Xiaozhen Li, Yongchao Chang, Fong-Fong Chu, Qiang Gao
The endoplasmic reticulum stress inositol-requiring enzyme (IRE) 1α/X-box binding protein (XBP) 1 signaling pathway is involved in the tumorigenesis of breast and prostate cancer. Mucin 2 (MUC2) protects colon tissues from the formation of tumors. In human colorectal cancer (CRC) the role of IRE1α, and its analogue, IRE1β, has yet to be elucidated. In the present study, the expression levels of IRE1α, IRE1β, un-spliced XBP1u, spliced XBP1s and MUC2 in surgically resected cancerous and adjacent non-cancerous tissues from patients with CRC were investigated...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28451462/pulmonary-adenocarcinoma-with-mucin-production-modulates-phenotype-according-to-common-genetic-traits-a-reappraisal-of-mucinous-adenocarcinoma-and-colloid-adenocarcinoma
#8
Angelica Sonzogni, Fabrizio Bianchi, Alessandra Fabbri, Mara Cossa, Giulio Rossi, Alberto Cavazza, Elena Tamborini, Federica Perrone, Adele Busico, Iolanda Capone, Benedetta Picciani, Barbara Valeri, Ugo Pastorino, Giuseppe Pelosi
Whether invasive mucinous adenocarcinoma (IMA) and colloid adenocarcinoma (ICA) of the lung represent separate tumour entities, or simply lie within a spectrum of phenotypic variability, is worth investigating. Fifteen ICA, 12 IMA, 9 ALK-rearranged adenocarcinomas (ALKA), 8 non-mucinous KRAS-mutated adenocarcinomas (KRASA) and 9 mucinous breast adenocarcinomas (MBA) were assessed by immunohistochemistry for alveolar (TTF1, cytoplasmic MUC1), intestinal (CDX-2, MUC2), gastric (membrane MUC1, MUC6), bronchial (MUC5AC), mesenchymal (vimentin), neuroendocrine (chromogranin A, synaptophysin), sex steroid hormone-related (oestrogen and progesterone receptors), pan-mucinous (HNF4A) and pan-epithelial (keratin 7) lineage biomarkers and by targeted next generation sequencing (TNGS) for 50 recurrently altered cancer genes...
April 2017: Journal of Pathology. Clinical Research
https://www.readbyqxmd.com/read/28450780/new-generation-of-electrochemical-immunoassay-based-on-polymeric-nanoparticles-for-early-detection-of-breast-cancer
#9
Fouzi Mouffouk, Sihem Aouabdi, Entesar Al-Hetlani, Hacene Serrai, Tareq Alrefae, Liaohai Leo Chen
Screening and early diagnosis are the key factors for the reduction of mortality rate and treatment cost of cancer. Therefore, sensitive and selective methods that can reveal the low abundance of cancer biomarkers in a biological sample are always desired. Here, we report the development of a novel electrochemical biosensor for early detection of breast cancer by using bioconjugated self-assembled pH-responsive polymeric micelles. The micelles were loaded with ferrocene molecules as "tracers" to specifically target cell surface-associated epithelial mucin (MUC1), a biomarker for breast and other solid carcinoma...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28447743/binding-of-circulating-anti-muc1-antibody-and-serum-muc1-antigen-in-stage-iv-breast-cancer
#10
Yan Tang, Xiuxia Cui, Han Xiao, Shengkun Qi, Xiaoping Hu, Qiong Yu, Guang Shi, Xue Zhang, Jiaying Gu, Yongli Yu, Liying Wang, Yarong Li
The present study aimed to investigate the binding of circulating mucin 1 (MUC1) antibody with serum MUC1 antigen in stage IV breast cancer. Serum samples of 61 patients with stage IV breast cancer and 64 patients with early-stage breast cancer were collected. The anti‑MUC1 antibody (IgG) and MUC1 antigen (cancer antigen 15‑3; Ca15‑3) were detected using an indirect enzyme-linked immunosorbent assay (I‑ELISA) and ELISA, respectively. The MUC1 IgG affinity was detected using a urea degradation combining ELISA...
May 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28445362/effect-of-human-fat-graft-on-breast-cancer-metastasis-in-a-murine-model
#11
Roberto Moltó-García, Virina González-Alonso, María Eloísa Villaverde-Doménech, Edurne Novella-Maestre
BACKGROUND: Isolated adipose stem cells have been reported to encourage migration and early metastasis of breast cancer. Mimicking a surgical situation, the authors developed a human breast cancer model to evaluate in vivo whether human adipose tissue promotes tumor growth and invasion. METHODS: Human adipose tissue was obtained from four patients. The MDA-MB-468 cell line was cultured with a lentiviral vector encoding a puromycin resistance gene and mCherry fluorescent protein...
May 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28440189/better-predictive-value-of-cancer-antigen125-ca125-as-biomarker-in-ovary-and-breast-tumors-and-its-correlation-with-the-histopathological-type-grade-of-the-disease
#12
Aarifa Nazmeen, Smarajit Maiti, Kusumita Mandal, Samir K Roy, Tamal Kanti Ghosh, Nirmalya K Sinha, Kamalika Mandal
BACKGROUND: Both ovarian/breast cancers are the most prevalent hormone-associated gynecological-cancers, where uncontrolled cellular proliferations/genetic-errors are noticed. The cancer-antigen125 (CA125), which we assessed presently is an important biomarker in the early detection/monitoring of this disease-pathogenesis. METHODS: Serum/tissue CA125 was measured by solid-phase-Enzyme-linked-immunosorbent-assay in women with ovarian/breast tumors of different types (epithelial/non-epithelial; benign/borderline/malignant)/stages...
April 24, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28416768/tumor-hypoxia-modulates-podoplanin-ccl21-interactions-in-ccr7-nk-cell-recruitment-and-ccr7-tumor-cell-mobilization
#13
Anna Tejchman, Nathalie Lamerant-Fayel, Jean-Claude Jacquinet, Aleksandra Bielawska-Pohl, Katarzyna Mleczko-Sanecka, Catherine Grillon, Salem Chouaib, Maciej Ugorski, Claudine Kieda
Podoplanin (PDPN), an O-glycosylated, transmembrane, mucin-type glycoprotein, is expressed by cancer associated fibroblasts (CAFs). In malignant transformation, PDPN is subjected to changes and its role is yet to be established. Here we show that it is involved in modulating the activity of the CCL21/CCR7 chemokine/receptor axis in a hypoxia-dependent manner. In the present model, breast cancer MDA-MB-231 cells and NKL3 cells express the surface CCR7 receptor for CCL21 chemokine which is a potent chemoattractant able to bind to PDPN...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414807/interactions-between-the-breast-cancer-associated-muc1-mucins-and-c-type-lectin-characterized-by-optical-tweezers
#14
Soosan Hadjialirezaei, Gianfranco Picco, Richard Beatson, Joy Burchell, Bjørn Torger Stokke, Marit Sletmoen
Carbohydrate-protein interactions govern many crucial processes in biological systems including cell recognition events. We have used the sensitive force probe optical tweezers to quantify the interactions occurring between MGL lectins and MUC1 carrying the cancer-associated glycan antigens mucins Tn and STn. Unbinding forces of 7.6 pN and 7.1 pN were determined for the MUC1(Tn)-MGL and MUC1(STn)-MGL interactions, at a force loading rate of ~40 pN/s. The interaction strength increased with increasing force loading rate, to 27 and 37 pN at a force loading rate of ~ 310 pN/s...
2017: PloS One
https://www.readbyqxmd.com/read/28316229/mucinous-carcinoma-with-extensive-signet-ring-cell-differentiation-a-case-report
#15
Hye Min Kim, Eun Kyung Kim, Ja Seung Koo
Breast cancers that present with mucin include mucinous carcinoma and carcinoma with signet ring cell differentiation. The former shows extracellular mucin and the latter shows abundant intracellular mucin. Here, we report a case of breast cancer showing both extracellular mucin and extensive signet ring cell differentiation due to abundant intracellular mucin. Unlike mucinous carcinoma, this case had the features of high-grade nuclear pleomorphism, high mitotic index, estrogen receptor negativity, progesterone receptor negativity, human epidermal growth factor receptor-2 positivity, and ductal type with positivity for E-cadherin...
March 2017: Journal of Pathology and Translational Medicine
https://www.readbyqxmd.com/read/28278438/diagnosis-of-autoimmune-pancreatitis-with-cholesterol-granuloma-mimicking-intraductal-papillary-mucinous-carcinoma-a-case-report
#16
Yusuke Takahashi, Naoyuki Yokoyama, Daisuke Sato, Tetsuya Otani, Koko Mitsuma, Hideki Hashidate
INTRODUCTION: Pancreatic cysts are often observed incidentally on abdominal computed tomography (CT). For cysts involving intracystic nodules, malignant neoplasms such as intraductal papillary-mucinous carcinoma (IPMC) should be suspected. In contrast, cholesterol granuloma (CG) rarely occurs in the pancreas, and CG-associated autoimmune pancreatitis (AIP) has not yet been reported. To our knowledge, this is the first reported case of AIP with CG mimicking IPMC. PRESENTATION OF CASE: A 56-year-old woman underwent abdominal CT for preoperative breast cancer screening...
March 1, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28255028/gene-signature-driving-invasive-mucinous-adenocarcinoma-of-the-lung
#17
Minzhe Guo, Koichi Tomoshige, Michael Meister, Thomas Muley, Takuya Fukazawa, Tomoshi Tsuchiya, Rebekah Karns, Arne Warth, Iris M Fink-Baldauf, Takeshi Nagayasu, Yoshio Naomoto, Yan Xu, Marcus A Mall, Yutaka Maeda
Though invasive mucinous adenocarcinoma of the lung (IMA) is pathologically distinctive, the molecular mechanism driving IMA is not well understood, which hampers efforts to identify therapeutic targets. Here, by analyzing gene expression profiles of human and mouse IMA, we identified a Mucinous Lung Tumor Signature of 143 genes, which was unexpectedly enriched in mucin-producing gastrointestinal, pancreatic, and breast cancers. The signature genes included transcription factors FOXA3, SPDEF, HNF4A, mucins MUC5AC, MUC5B, MUC3, and an inhibitory immune checkpoint VTCN1/B7-H4 (but not PD-L1/B7-H1)...
April 2017: EMBO Molecular Medicine
https://www.readbyqxmd.com/read/28238418/foxa1-is-expressed-in-ovarian-mucinous-neoplasms
#18
Georgia Karpathiou, Melany Venet, Mousa Mobarki, Fabien Forest, Celine Chauleur, Michel Peoc'h
FOXA1 is a transcription factor essential for the binding and action of other transcription factors on the chromatin. It is the major regulator of endoderm differentiation. It has important roles in breast, prostate and endometrial cancer. It has never been studied in ovarian tumours. The aim of this study was to investigate its expression in ovarian epithelial neoplasms. A total of 195 primary ovarian epithelial borderline or malignant tumours were immunohistochemically studied for the expression of FOXA1...
April 2017: Pathology
https://www.readbyqxmd.com/read/28217902/moving-towards-population-based-genetic-risk-prediction-for-ovarian-cancer
#19
Belinda Rahman, Lucy Side, Sahra Gibbon, Susanne F Meisel, Lindsay Fraser, Sue Gessler, Jane Wardle, Anne Lanceley
Ovarian cancer is the fifth most common cancer in UK women, and the leading cause of gynaecological cancer death. Five-year survival rates, of around 40%, have shown little improvement despite recent advances in cancer treatment. Mutations in the cancer susceptibility genes BRCA1 and BRCA2 confer lifetime risks of breast and ovarian cancer of up to 80% and 40% respectively. The traditional approach of using cancer family history to select patients for genetic testing is being challenged; up to 44% of BRCA mutation carriers do not have a significant family history...
February 19, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28212138/deep-learning-in-mammography-diagnostic-accuracy-of-a-multipurpose-image-analysis-software-in-the-detection-of-breast-cancer
#20
Anton S Becker, Magda Marcon, Soleen Ghafoor, Moritz C Wurnig, Thomas Frauenfelder, Andreas Boss
OBJECTIVES: The aim of this study was to evaluate the diagnostic accuracy of a multipurpose image analysis software based on deep learning with artificial neural networks for the detection of breast cancer in an independent, dual-center mammography data set. MATERIALS AND METHODS: In this retrospective, Health Insurance Portability and Accountability Act-compliant study, all patients undergoing mammography in 2012 at our institution were reviewed (n = 3228). All of their prior and follow-up mammographies from a time span of 7 years (2008-2015) were considered as a reference for clinical diagnosis...
February 16, 2017: Investigative Radiology
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