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https://www.readbyqxmd.com/read/27905495/uterine-glands-impact-uterine-receptivity-luminal-fluid-homeostasis-and-blastocyst-implantation
#1
Andrew M Kelleher, Gregory W Burns, Susanta Behura, Guoyao Wu, Thomas E Spencer
Uterine glands are essential for pregnancy in mice and likely humans, because they secrete or transport bioactive substances that regulate uterine receptivity for blastocyst implantation. In mice, the uterus becomes receptive to blastocyst implantation on day 4, but is refractory by day 5. Here, blastocysts could be recovered from progesterone-induced uterine gland (PUGKO) but not wildtype (WT) mice on day 5 post-mating. Anti-adhesive Muc1 protein and microvilli were present on the luminal epithelium of PUGKO but not WT uteri...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27893710/muc1-c-activates-bmi1-in-human-cancer-cells
#2
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/27886058/optical-aptamer-probes-of-fluorescent-imaging-to-rapid-monitoring-of-circulating-tumor-cell
#3
Ji Yeon Hwang, Sang Tae Kim, Ho-Seong Han, Kyunggon Kim, Jin Soo Han
Fluorescence detecting of exogenous EpCAM (epithelial cell adhesion molecule) or muc1 (mucin1) expression correlated to cancer metastasis using nanoparticles provides pivotal information on CTC (circulating tumor cell) occurrence in a noninvasive tool. In this study, we study a new skill to detect extracellular EpCAM/muc1 using quantum dot-based aptamer beacon (QD-EpCAM/muc1 ALB (aptamer linker beacon). The QD-EpCAM/muc1 ALB was designed using QDs (quantum dots) and probe. The EpCAM/muc1-targeting aptamer contains a Ep-CAM/muc1 binding sequence and BHQ1 (black hole quencher 1) or BHQ2 (black hole quencher2)...
November 23, 2016: Sensors
https://www.readbyqxmd.com/read/27870702/synchronous-ovarian-and-appendiceal-mucinous-neoplasms-in-the-absence-of-pseudomyxoma-peritonei
#4
Xianyong Gui, Jorge Escobar, Cheng-Han Lee, Máire A Duggan, Martin Köbel
BACKGROUND: Synchronous ovarian/appendiceal mucinous neoplasms sometimes occur in the absence of clinical pseudomyxoma peritonei (PMP), which raises a question about whether the 2 tumors could be independent. METHODS: We identified 11 cases of synchronous ovarian/appendiceal mucinous neoplasms without PMP and subclassified them into groups 1 and 2 based on the presence or absence of microscopic peritoneal/ovarian surface mucin deposits. A 7-marker panel (CK7, CK20, CDX2, PAX8, MUC1, MUC2, and MUC5AC) immunohistochemistry was performed on both tumors...
November 17, 2016: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/27846863/prognostic-significance-of-mucin-expression-profiles-in-breast-carcinoma-with-signet-ring-cells-a-clinicopathological-study
#5
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/27846218/muc1-expression-by-immunohistochemistry-is-associated-with-adverse-pathologic-features-in-prostate-cancer-a-multi-institutional-study
#6
Okyaz Eminaga, Wei Wei, Sarah J Hawley, Heidi Auman, Lisa F Newcomb, Jeff Simko, Antonio Hurtado-Coll, Dean A Troyer, Peter R Carroll, Martin E Gleave, Daniel W Lin, Peter S Nelson, Ian M Thompson, Lawrence D True, Jesse K McKenney, Ziding Feng, Ladan Fazli, James D Brooks
BACKGROUND: The uncertainties inherent in clinical measures of prostate cancer (CaP) aggressiveness endorse the investigation of clinically validated tissue biomarkers. MUC1 expression has been previously reported to independently predict aggressive localized prostate cancer. We used a large cohort to validate whether MUC1 protein levels measured by immunohistochemistry (IHC) predict aggressive cancer, recurrence and survival outcomes after radical prostatectomy independent of clinical and pathological parameters...
2016: PloS One
https://www.readbyqxmd.com/read/27843090/superovulation-at-a-specific-stage-of-the-estrous-cycle-determines-the-reproductive-performance-in-mice
#7
Wilasinee Inyawilert, Yu-Jing Liao, Pin-Chi Tang
Inconsistent reproductive performance has been reported in superovulated mice. Hence, the aim of this study was to analyze the effect and possible mechanism of superovulation timing on mouse reproductive performance. The results showed that mice superovulated at the metestrous (23.08±6.08%) and diestrous stages (33.33±11.45%) presented significantly lower pregnancy rates compared with those superovulated at the estrous stage (66.67±9.20%). After superovulation at the proestrous and estrous stages, mucin 1 (MUC1) and let-7a/let-7b microRNA (miRNA) expression levels were significantly attenuated and enhanced on embryonic day 3...
December 2016: Reproductive Biology
https://www.readbyqxmd.com/read/27832451/expression-data-analysis-for-the-identification-of-potential-biomarker-of-pregnancy-associated-breast-cancer
#8
Raja Rajeswary Thanmalagan, Leimarembi Devi Naorem, Amouda Venkatesan
Breast cancer affects every 1 of 3000 pregnant women or in the first post-partum year is referred as Pregnancy Associated Breast Cancer (PABC) in mid 30s. Even-though rare disease, classified under hormone receptor negative status which metastasis quickly to other parts by extra cellular matrix degradation. Hence it is important to find an optimal treatment option for a PABC patient. Also additional care should be taken to choose the drug; in order to avoid fetal malformation and post-partum stage side-effects...
November 10, 2016: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/27830724/activation-of-ampk%C3%AE-mediates-additive-effects-of-solamargine-and-metformin-on-suppressing-muc1-expression-in-castration-resistant-prostate-cancer-cells
#9
SongTao Xiang, QiuHong Zhang, Qing Tang, Fang Zheng, JingJing Wu, LiJun Yang, Swei Sunny Hann
Prostate cancer is the second most common cause of cancer-related deaths worldwide. The mucin 1 (MUC1) oncoprotein is highly expressed in human prostate cancers with aggressive features. However, the role for MUC1 in occurrence and progression of castration-resistant prostate cancer (CRPC) remained elusive. In this study, we showed that solamargine, a major steroidal alkaloid glycoside, inhibited the growth of CRPC cells, which was enhanced in the presence of metformin. Furthermore, we found that solamargine increased phosphorylation of AMPKα, whereas reducing the protein expression and promoter activity of MUC1...
November 10, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27825118/amplification-of-muc1-in-prostate-cancer-metastasis-and-crpc-development
#10
Nicholas Wong, Pierre Major, Anil Kapoor, Fengxiang Wei, Judy Yan, Tariq Aziz, Mingxing Zheng, Dulitha Jayasekera, Jean-Claude Cutz, Mathilda Jing Chow, Damu Tang
Evidence supports the upregulation of MUC1 in prostate cancer (PC). However, this has not been thoroughly investigated. We report here an association of MUC1 upregulation with PC metastasis and the development of castration resistant PC (CRPC). MUC1 expression was specifically increased in DU145 cell-derived PC stem-like cells (PCSLCs) in comparison to their non-PCSLCs counterparts. While immunohistochemistry staining of 34 primary PCs revealed variability in MUC1 expression, Nanostring technology demonstrated elevated MUC1 mRNA levels in 4 of 7 PCs compared to their normal matched tissues...
November 4, 2016: Oncotarget
https://www.readbyqxmd.com/read/27818049/versatile-aptasensor-for-electrochemical-quantification-of-cell-surface-glycan-and-naked-eye-tracking-glycolytic-inhibition-in-living-cells
#11
Jing-Jing Zhang, Fang-Fang Cheng, Ting-Ting Zheng, Jun-Jie Zhu
Quantifying the glycan expression status on cell surfaces is of vital importance for insight into the glycan function in biological processes and related diseases. Here we developed a versatile aptasensor for electrochemical quantification of cell surface glycan by taking advantage of the cell-specific aptamer, and the lectin-functionalized gold nanoparticles acting as both a glycan recognition unit and a signal amplification probe. To construct the aptasensor, amine-functionalized mucin 1 protein (MUC1) aptamer was first covalently conjugated to carboxylated-magnetic beads (MBs) using the succinimide coupling (EDC-NHS) method...
September 25, 2016: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/27810385/oral-mucosal-epithelial-cells-express-the-membrane-anchored-mucin-muc1
#12
Helena Ukkonen, Paula Pirhonen, Maria Herrala, Jopi J W Mikkonen, Surya P Singh, Raija Sormunen, Arja M Kullaa
OBJECTIVE: The presence of a stable salivary pellicle (SP) is essential to provide a wet surface for the oral mucosal epithelia. The oral mucosa is covered by the SP which is suggested to be a mixed film of both salivary and epithelial components. Our aim was to analyse the presence of membrane-anchored mucin MUC1 in the oral mucosal epithelia. DESING: The presence of MUC1 was studied by immunohistochemical and immunoelectron microscopical methods in 19 buccal mucosal specimens...
January 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/27809866/evidence-of-two-distinct-functionally-specialized-fibroblast-lineages-in-breast-stroma
#13
Mikkel Morsing, Marie Christine Klitgaard, Abbas Jafari, René Villadsen, Moustapha Kassem, Ole William Petersen, Lone Rønnov-Jessen
BACKGROUND: The terminal duct lobular unit (TDLU) is the most dynamic structure in the human breast and the putative site of origin of human breast cancer. Although stromal cells contribute to a specialized microenvironment in many organs, this component remains largely understudied in the human breast. We here demonstrate the impact on epithelium of two lineages of breast stromal fibroblasts, one of which accumulates in the TDLU while the other resides outside the TDLU in the interlobular stroma...
November 3, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27804932/-mucinous-cystic-liver-tumors-diagnosis-and-surgical-treatment
#14
P V Usyaky, V A Kubyshkin, V A Vishnevsky, Yu A Kovalenko, N A Karel'skaya, D V Kalinin, V S Demidova, A V Varlamov
AIM: To optimize diagnostics and treatment of cystic liver tumors. MATERIAL AND METHODS: The analysis included outcomes of 46 patients with liver cystic tumors. RESULTS AND DISCUSSION: The use of abdominal Doppler-sonography (37 patients), abdominal contrast-enhanced CT (44 patients) and MRI of abdominal cavity with MR-cholangiography (24 patients) defined radiological semiotics of cystic liver diseases. The most important features of cystic tumors are intraluminal septums with blood flow (82% of patients), solid component (6...
2016: Khirurgiia
https://www.readbyqxmd.com/read/27802205/the-role-of-molecular-biomarkers-for-predicting-adjacent-breast-cancer-of-atypical-ductal-hyperplasia-diagnosed-on-core-biopsy
#15
Ayfer Kamali Polat, Atilla Soran, Amal Kanbour-Shakir, Ebru Menekse, Fatih Levent Balci, Ronald Johnson
BACKGROUND: Atypical Ductal Hyperplasia (ADH) is a disease of the proliferative breast lesion characterized with atypia and when diagnosed on core needle biopsy (CNB), excisional biopsy is the current management to exclude adjacent cancer, which may found 10 to 20%. OBJECTIVE: The purpose of the study is to investigate the role of biomarkers on surgical decision after the diagnosis of ADH on CNB. METHODS: Patients with pure ADH on core biopsy were retrospectively selected, and categorized according to final pathology after excision into three groups: Group I (n: 39) ADH; Group II (n: 27) ductal carcinoma in situ (DCIS), and Group III (n: 9) invasive cancer (IC)...
September 26, 2016: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/27801529/a-histochemical-approach-to-glycan-diversity-in-the-urothelium-of-pig-urinary-bladder
#16
Maria Mastrodonato, Donatella Mentino, Angela Lopedota, Annalisa Cutrignelli, Giovanni Scillitani
Intracellular glycans in the urothelium of urinary bladder of 10 adult male Landrace pigs were characterized in situ by immunohistochemical detection of Muc1 mucin by anti MUC1 from rabbit, conventional histochemical techniques (Periodic-Acid Schiff, Alcian Blue pH 2.5, High-Iron Diamine), and binding with 13 lectins (PNA, DBA, RCA-I, WGA, SBA, BSI-B4, ConA, AAA, UEA-I, LTA, LFA, MAA-II, SNA) combined with chemical and enzymatic pre-treatments (β-elimination, desulfation and neuraminidase) to gather reference data for this model animal...
November 1, 2016: Microscopy Research and Technique
https://www.readbyqxmd.com/read/27795812/mucins-in-neoplasms-of-pancreas-ampulla-of-vater-and-biliary-system
#17
REVIEW
Dimitrios Moschovis, Giorgos Bamias, Ioanna Delladetsima
Tumors of the pancreas, the ampulla of Vater, and the extrahepatic and intrahepatic bile ducts have significant histological similarities due to the common embryonic origin of the pancreatobiliary system. This obviates the need for discovery of biomarkers with diagnostic and prognostic value for these tumors. Mucins, especially MUC-1, -2, -4 and -5AC, are important candidates for developing into such reliable biomarkers. Increased expression of MUC1 occurs in pancreatic ductal adenocarcinomas and is associated with increased degrees of dysplasia in pancreatic intraepithelial neoplasia (PanIN)...
October 15, 2016: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/27787640/peripheral-t-cell-responses-to-tumour-antigens-are-associated-with-molecular-immunogenetic-and-cellular-features-of-breast-cancer-patients
#18
Nicole Janssen, Sotirios P Fortis, Lisa Speigl, Christoforos Haritos, Nectaria N Sotiriadou, Michael Sofopoulos, Niki Arnogiannaki, Catherine Stavropoulos-Giokas, Amalia Dinou, Sonia Perez, Graham Pawelec, Constantin N Baxevanis, Christopher Shipp
PURPOSE: Breast cancer is a leading cause of cancer deaths in women, but despite steady improvements in therapies, treatment is still suboptimal. Immunotherapy holds promise as a more effective therapy for breast cancer; supporting this, our prior study showed that patients possessing HER2-reactive CD8+ T cells in blood experience survival superior to patients without these cells. Here, we define a composite set of biomarkers that identify patients with T cell responses to tumour antigens...
October 27, 2016: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27782376/synergistic-anticancer-effect-of-peptide-docetaxel-nanoassembly-targeted-to-tubulin-toward-development-of-dual-warhead-containing-nanomedicine
#19
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/27768738/muc1-arf-a-novel-muc1-protein-that-resides-in-the-nucleus-and-is-expressed-by-alternate-reading-frame-translation-of-muc1-mrna
#20
Michael Chalick, Oded Jacobi, Edward Pichinuk, Christian Garbar, Armand Bensussan, Alan Meeker, Ravit Ziv, Tania Zehavi, Nechama I Smorodinsky, John Hilkens, Franz-Georg Hanisch, Daniel B Rubinstein, Daniel H Wreschner
Translation of mRNA in alternate reading frames (ARF) is a naturally occurring process heretofore underappreciated as a generator of protein diversity. The MUC1 gene encodes MUC1-TM, a signal-transducing trans-membrane protein highly expressed in human malignancies. Here we show that an AUG codon downstream to the MUC1-TM initiation codon initiates an alternate reading frame thereby generating a novel protein, MUC1-ARF. MUC1-ARF, like its MUC1-TM 'parent' protein, contains a tandem repeat (VNTR) domain. However, the amino acid sequence of the MUC1-ARF tandem repeat as well as N- and C- sequences flanking it differ entirely from those of MUC1-TM...
2016: PloS One
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