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Jing Jie, Yixin Zhang, Hongyue Zhou, Xiaoyu Zhai, Nannan Zhang, Hongyan Yuan, Weihua Ni, Guixiang Tai
Mucin 1 ( MUC1 ), being an oncogene, is an attractive target in tumor immunotherapy. Maltose binding protein (MBP) is a potent built-in adjuvant to enhance protein immunogenicity. Thus, a recombinant MUC1 and MBP antitumor vaccine (M-M) was constructed in our laboratory. To enhance the antitumor immune activity of M-M, CpG oligodeoxynucleotides 1826 (CpG 1826), a toll-like receptor-9 agonist, was examined in this study as an adjuvant. The combination of M-M and CpG 1826 significantly inhibited MUC1 -expressing B16 cell growth and prolonged the survival of tumor-bearing mice...
March 20, 2018: International Journal of Molecular Sciences
Bożenna Mytar, Małgorzata Stec, Rafał Szatanek, Kazimierz Węglarczyk, Katarzyna Szewczyk, Antoni Szczepanik, Grażyna Drabik, Jarek Baran, Maciej Siedlar, Monika Baj-Krzyworzeka
The three cell lines, designated as gastric cancer (GC)1401, GC1415 and GC1436 were derived from peritoneal effusions from patients with gastric adenocarcinoma. Cell lines were established in tissue culture and in immunodeficient, non-obese diabetic/severe combined immunodeficiency (NOD/SCID) mice. All cell lines were cultured in Dulbecco's modified Eagle's medium supplemented with 5% fetal bovine serum. These cell lines were grown as an adherent monolayer with doubling time ranging between 25 h (GC1436 cell line) and 30-34 h (GC1401 and GC1415, respectively)...
April 2018: Oncology Letters
Xabier Osteikoetxea, Márton Benke, Marta Rodriguez, Krisztina Pálóczi, Barbara W Sódar, Zsuzsanna Szvicsek, Katalin Szabó-Taylor, Krisztina V Vukman, Ágnes Kittel, Zoltán Wiener, Károly Vékey, László Harsányi, Ákos Szűcs, Lilla Turiák, Edit I Buzás
AIMS: The prognosis of patients with pancreatic cancer has remained virtually unchanged with a high mortality rate compared to other types of cancers. An earlier detection would provide a time window of opportunity for treatment and prevention of deaths. In the present study we investigated extracellular vesicle (EV)-associated potential biomarkers for pancreatic cancer by directly assessing EV size-based subpopulations in pancreatic juice samples of patients with chronic pancreatitis or pancreatic cancer...
March 14, 2018: Biochemical and Biophysical Research Communications
Keun Soo Ahn, Ji Yeon Hwang, Ho-Seong Han, Sang Tae Kim, Ilseon Hwang, Young-Ok Chun
BACKGROUND: The impact of acute inflammation on cancer is unclear. Therefore, we evaluated the impact of acute inflammation on cancer progression in an animal model concerning morphological change as well as molecular features. MATERIAL AND METHODS: Murine pancreas ductal adenocarcinoma cell line (Panc-02) and zymosan were used for the induction of cancer and acute inflammation respectively, in C57/BL6 mice. In the C group (n = 10), 2 × 107 Panc02 cells were injected into the tail of the pancreas...
March 2018: Surgical Oncology
Doaa Abdelmageed El Faham, Mohamed Amr Hussein Elnoury, Mona Ibraheim Morsy, Marwa Abdelmoneim El Shaer, Ghada Mohammed Nour Eldin, Osama Mahmoud Azmy
Low-level laser therapy (LLLT) has been used in photobiomodulation to promote healing, regenerate, and restore tissue function. Women with persistent thin endometrium were assumed to encounter diminished activity in the regenerative and functional capacity of their endometrium. The aim of this study was to examine the ability of LLLT in 635 nm wavelength to enhance the proliferation and gene expression of in vitro cultured endometrial cells. Single (SE) versus multiple exposures (ME) to LLLT were examined in the study groups and compared to controls...
March 15, 2018: Lasers in Medical Science
Zhi-Gang Sun, Min Zhang, Fei Yang, Wei Gao, Zhou Wang, Liang-Ming Zhu
Signal transducer and activator of transcription 3 (STAT3) and mucin 1 (MUC1) are associated with development, progression and a poor prognosis in several types of cancer. The present study investigated the levels of STAT3 and MUC1 in patients with non-small cell lung cancer (NSCLC) following surgery. In total, 98 patients with NSCLC were enrolled into the study. STAT3, phosphorylated (p)-STAT3 and MUC1 expression in NSCLC specimens obtained from patients were investigated using immunohistochemical analysis...
April 2018: Oncology Letters
Andrea Wenzel, Janine Altmueller, Arif B Ekici, Bernt Popp, Kurt Stueber, Holger Thiele, Alois Pannes, Simon Staubach, Eduardo Salido, Peter Nuernberg, Richard Reinhardt, André Reis, Patrick Rump, Franz-Georg Hanisch, Matthias T F Wolf, Michael Wiesener, Bruno Huettel, Bodo B Beck
Recently, the Mucin-1 (MUC1) gene has been identified as a causal gene of autosomal dominant tubulointerstitial kidney disease (ADTKD). Most causative mutations are buried within a GC-rich 60 basepair variable number of tandem repeat (VNTR), which escapes identification by massive parallel sequencing methods due to the complexity of the VNTR. We established long read single molecule real time sequencing (SMRT) targeted to the MUC1-VNTR as an alternative strategy to the snapshot assay. Our approach allows complete VNTR assembly, thereby enabling the detection of all variants residing within the VNTR and simultaneous determination of VNTR length...
March 8, 2018: Scientific Reports
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
Hyunsung Kim, Jae Y Ro
Intraductal tubulopapillary neoplasm is a rare tumor that the World Health Organization recognized in 2010 as a subtype of premalignant pancreatic neoplasms. It is important to distinguish it from other intraductal neoplasms, including intraductal papillary mucinous neoplasm, pancreatic ductal adenocarcinoma, and intraductal variant of acinar cell carcinoma, because intraductal tubulopapillary neoplasm has a favorable prognosis. Histopathologically, intraductal tubulopapillary neoplasms are characterized by tubulopapillary growth, uniform high-grade cytologic atypia, frequent necrotic foci, evident ductal differentiation, and absence of mucin...
March 2018: Archives of Pathology & Laboratory Medicine
H-S Kho
OBJECTIVES: To provide information about MUC1, epithelial membrane-bound mucin, in terms of its role in oral health. DESIGN: The expression and functional roles of MUC1 in the oral mucosa and salivary glands were reviewed. Information on the modulation of oral mucosal epithelial MUC1 expression compared with that of endometrial epithelial MUC1 expression was also reviewed. In addition, the possible associations between oral mucosal epithelial MUC1 and oral diseases were explored...
March 2018: Oral Diseases
Priyanka Grover, Sritama Nath, Monica D Nye, Ru Zhou, Mohammad Ahmad, Pinku Mukherjee
Pancreatic Ductal Adenocarcinoma (PDA) has a mortality rate that nearly matches its incidence rate. Transforming Growth Factor Beta (TGF-β) is a cytokine with a dual role in tumor development switching from a tumor suppressor to a tumor promoter. There is limited knowledge of how TGF-β function switches during tumorigenesis. Mucin 1 (MUC1) is an aberrantly glycosylated, membrane-bound, glycoprotein that is overexpressed in >80% of PDA cases and is associated with poor prognosis. In PDA, MUC1 promotes tumor progression and metastasis via signaling through its cytoplasmic tail (MUC1-CT) and interacting with other oncogenic signaling molecules...
January 23, 2018: Oncotarget
Lei Yu, Feng-Jie Wang, Yan-Fang Cui, Dong Li, Wen-Rong Yao, Gui-Bo Yang
Interleukin-22 (IL-22) is a potential therapeutic agent for diseases driven by epithelial injury. To characterize the IL-22 expressed by rhesus macaques, animals irreplaceable for human disease researches, rhesus macaque IL-22 (rhIL-22) was cloned and expressed, and its biological activity and in vivo distribution were examined. It was found that rhIL-22 gene consists of 5 introns and 6 exons, including a short non-coding exon starting 22bp downstream of a putative TATA box. The amino acid sequence of rhIL-22 showed 95...
February 21, 2018: Immunology
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
Tali Shalom-Barak, Jaclyn Liersemann, Babak Memari, Lawrence Flechner, Caitlin Devor, Tiffany M Bernardo, Suyeon Kim, Nobuyuki Matsumoto, Scott L Friedman, Ronald M Evans, John H White, Yaacov Barak
The nuclear receptor Peroxisome proliferator-activated receptor γ (PPARγ) is an essential regulator of placental development. To gain deeper insights into placental PPARγ signaling, we dissected its regulation of the Muc1 promoter. We find that unlike prototypic target activation by heterodimeric receptors, which is either stimulated by or refractory to Retinoid X receptor (RXR) ligands (rexinoids), induction of Muc1 by liganded PPARγ requires RXRα, but is inhibited by rexinoids. We demonstrate that this inhibition is mediated by the activation function 2 (AF2) domain of RXRα and that Muc1 activation entails altered AF2 structures of both PPARγ and RXRα...
February 20, 2018: Molecular and Cellular Biology
Shu-Ta Wu, Chandra D Williams, Priyanka A Grover, Laura J Moore, Pinku Mukherjee
Pancreatic ductal adenocarcinoma (PDA) is the fourth-leading cause of cancer death in the United States with a 5-year overall survival rate of 8% for all stages combined. But this decreases to 3% for the majority of patients that present with stage IV PDA at time of diagnosis. The lack of distinct early symptoms for PDA is one of the primary reasons for the late diagnosis. Common symptoms like weight loss, abdominal and back pains, and jaundice are often mistaken for symptoms of other issues and do not appear until the cancer has progressed to a late stage...
2018: PloS One
Simon Staubach, Andrea Wenzel, Bodo B Beck, Markus M Rinschen, Stefan Müller, Franz-Georg Hanisch
Autosomal dominant tubulointerstitial kidney disease associated to the MUC1 gene (ADTKD-MUC1; formerly MCKD1) belongs to a heterogenous group of rare hereditary kidney diseases that is prototypically caused by frameshift mutations in the MUC1 repeat domain. The mutant MUC1(insC) lacks the transmembrane domaine, exhibits aberant cellular topology and hence might gain a function during the pathological process. To get insight into potential pathomechanisms we performed differential proteomics of extracellular vesicles shed by renal epithelia into the urine of patients...
February 13, 2018: Proteomics
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...
February 9, 2018: Oncology Reports
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
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
Maryna Perepelyuk, Koita Sacko, Karthik Thangavel, Sunday A Shoyele
The objective of this study was to evaluate the therapeutic efficacy and pharmacokinetic study of mucin1-aptamer functionalized miRNA-29b-loaded hybrid nanoparticles (MAFMILHN) in lung tumor-bearing SCID mice. MAFMILHN were manufactured using an iso-electric point based nanotechnology. They were then fully characterized for particle size, loading capacity, Zeta potential and encapsulation efficiency. The ability of MAFMILHN to downregulate oncoprotein DNMT3B both at the cellular level and in vivo was monitored using western blot, while the effect of the downregulation of DNMT3B on tumor growth was assessed using bioluminescence...
February 12, 2018: Molecular Pharmaceutics
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