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https://www.readbyqxmd.com/read/29157356/effect-of-exogenous-progesterone-on-embryo-size-and-ewe-uterine-gene-expression-in-an-ovine-dam-size-model-of-maternal-constraint
#1
Lisanne M Fermin, Sarah J Pain, Patrick C H Morel, Kristene R Gedye, Paul R Kenyon, Hugh T Blair
Progesterone (P4), acting via its receptor, regulates uterine function and histotroph production, which are crucial to embryo growth. This study aimed to examine exogenous P4 effects on embryo size and differential endometrial gene expression at Day 19 of gestation using a 'dam size' sheep model of maternal constraint. Purebred Suffolk (S, genotypically large) embryos were transferred into recipient groups of Cheviot (C, genotypically small) or Suffolk ewes that had, or had not, been pre-treated with P4 from Days 0 to 6 of pregnancy...
November 21, 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29156055/analysis-of-an-adtkd-family-with-a-novel-frameshift-mutation-in-muc1-reveals-characteristic-features-of-mutant-muc1-protein
#2
Satoko Yamamoto, Jun-Ya Kaimori, Takuji Yoshimura, Tomoko Namba, Atsuko Imai, Kaori Kobayashi, Ryoichi Imamura, Naotsugu Ichimaru, Kazuto Kato, Akihiro Nakaya, Shiro Takahara, Yoshitaka Isaka
Background: Medullary cystic kidney disease Type 1 is an autosomal dominant tubulointerstitial kidney disease (ADTKD). Recently, mucin 1 ( MUC1 ) was identified as a causal gene of medullary cystic kidney disease (ADTKD-MUC1). However, the MUC1 mutation was found to be a single cytosine insertion in a single copy of the GC-rich variable number of tandem repeats (VNTRs), which are very difficult to analyze by next-generation sequencing. To date, other mutations have not been detected in ADTKD-MUC1, and the mutant MUC1 protein has not been analyzed because of the difficulty of genetically modifying the VNTR sequence...
June 1, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29147108/muc1-aptamer-targeted-sers-nanoprobes
#3
Suchetan Pal, Stefan Harmsen, Anton Oseledchyk, Hsiao-Ting Hsu, Moritz F Kircher
Recently, surface-enhanced Raman scattering (SERS) nanoprobes (NPs) have shown promise in the field of cancer imaging due to their unparalleled signal specificity and high sensitivity. Here we report the development of a DNA aptamer targeted SERS NP. Recently, aptamers are being investigated as a viable alternative to more traditional antibody targeting due to their low immunogenicity and low cost of production. We developed a strategy to functionalize SERS NPs with DNA aptamers, which target Mucin1 (MUC1) in human breast cancer (BC)...
August 25, 2017: Advanced Functional Materials
https://www.readbyqxmd.com/read/29137145/dietary-pea-fiber-supplementation-improves-glycemia-and-induces-changes-in-the-composition-of-gut-microbiota-serum-short-chain-fatty-acid-profile-and-expression-of-mucins-in-glucose-intolerant-rats
#4
Zohre Hashemi, Janelle Fouhse, Hyun Seun Im, Catherine B Chan, Benjamin P Willing
Several studies have demonstrated the beneficial impact of dried peas and their components on glucose tolerance; however, the role of gut microbiota as a potential mediator is not fully examined. In this study, we investigated the effect of dietary supplementation with raw and cooked pea seed coats (PSC) on glucose tolerance, microbial composition of the gut, select markers of intestinal barrier function, and short chain fatty acid profile in glucose intolerant rats. Male Sprague Dawley rats were fed high fat diet (HFD) for six weeks to induce glucose intolerance, followed by four weeks of feeding PSC-supplemented diets...
November 12, 2017: Nutrients
https://www.readbyqxmd.com/read/29120508/synthesis-and-immunological-evaluation-of-a-multicomponent-cancer-vaccine-candidate-containing-a-long-muc1-glycopeptide
#5
Geert-Jan Boons, Nitin T Supekar, Vani Lakshminarayanan, Chantelle J Capicciotti, Anju Sirohiwal, Cathy S Madsen, Margreet A Wolfert, Peter A Cohen, Sandra J Gendler
A fully synthetic MUC1-based cancer vaccine has been designed and chemically synthesized that contains an endogenous helper T-epitope (MHC class II epitope). The vaccine elicited robust IgG titers that could neutralize cancer cells by antibody-dependent cell-mediated cytotoxicity (ADCC). It also activated cytotoxic T-lymphocytes and collectively the immunological data demonstrate engagement of helper T-cells in immune activation. A synthetic methodology was developed for a penta-glycosylated MUC1 glycopeptide and anti-sera of mice immunized by the new vaccine recognized such a structure...
November 9, 2017: Chembiochem: a European Journal of Chemical Biology
https://www.readbyqxmd.com/read/29104655/muc1-downregulation-inhibits-non-small-cell-lung-cancer-progression-in-human-cell-lines
#6
Tao Xu, Daowei Li, Hongmei Wang, Taohua Zheng, Guangqiang Wang, Ying Xin
Mucin 1 (MUC1) is a transmembrane glycoprotein that is aberrantly unregulated in numerous types of cancer, including non-small cell lung cancer (NSCLC), and serves a key role as an oncogene in the tumorigenesis of various human adenocarcinomas. Studies have indicated that MUC1 is involved in cell proliferation, invasion and migration. However, the role of MUC1 in NSCLC progression remains poorly understood. The aim of the present study was to investigate the role of MUC1 in stable MUC1-low-expression NSCLC cell lines that were generated by transfection with MUC1-siRNA...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29084054/columnar-cell-lesion-and-apocrine-hyperplasia-of-the-breast-is-there-a-common-origin-the-role-of-prolactin-induced-protein
#7
Amedeo Sciarra, Gianluca Lopez, Chiara Corti, Letterio Runza, Giulia Ercoli, Arturo Bonometti, Luca Despini, Concetta Blundo, Donatella Gambini, Nicola Fusco
Noninvasive breast lesions encompass a heterogeneous group of risk indicators and nonobligate precursors of breast cancer, such as apocrine hyperplasia (AH) and columnar cell lesions (CCLs). Given the different expression of ER and ER-regulated genes in AH and CCL, these two alterations are currently considered discrete conditions. However, whether they share early biologic changes is not clear to date. Here, we sought to define the clinicopathologic and immunohistochemical features of a prospective series of combined lesions made up by CCLs and AH forming a continuum within single terminal duct-lobular units...
October 27, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/29082075/label-free-sensing-of-the-binding-state-of-muc1-peptide-and-anti-muc1-aptamer-solution-in-fluidic-chip-by-terahertz-spectroscopy
#8
Xiang Zhao, Mingkun Zhang, Dongshan Wei, Yunxia Wang, Shihan Yan, Mengwan Liu, Xiang Yang, Ke Yang, Hong-Liang Cui, Weiling Fu
The aptamer and target molecule binding reaction has been widely applied for construction of aptasensors, most of which are labeled methods. In contrast, terahertz technology proves to be a label-free sensing tool for biomedical applications. We utilize terahertz absorption spectroscopy and molecular dynamics simulation to investigate the variation of binding-induced collective vibration of hydrogen bond network in a mixed solution of MUC1 peptide and anti-MUC1 aptamer. The results show that binding-induced alterations of hydrogen bond numbers could be sensitively reflected by the variation of terahertz absorption coefficients of the mixed solution in a customized fluidic chip...
October 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/29079997/validation-of-reference-genes-for-expression-studies-in-human-meningiomas-under-different-experimental-settings
#9
Diana Freitag, Arend Koch, Aaron Lawson McLean, Rolf Kalff, Jan Walter
Quantitative polymerase chain reaction (qPCR) is a sensitive technique for the quantitative analysis of gene expression levels. To compare mRNA transcripts across tumour and non-pathological tissue, appropriate reference genes are required for internal standardisation. Validation of these reference genes in meningiomas has not yet been reported. After mRNA transcription of meningioma (WHO grade I-III) and meningeal tissue from three different experimental sample types (fresh tissue, primary cell cultures and FFPE tissue), 13 candidate reference genes (ACTB, B2M, HPRT, VIM, GAPDH, YWHAZ, EIF4A2, MUC1, ATP5B, GNB2L, TUBB, CYC1, RPL13A) were chosen for quantitative expression analysis...
October 27, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/29074302/endogenous-antibody-responses-to-mucin-1-in-a-large-multiethnic-cohort-of-patients-with-breast-cancer-and-healthy-controls-role-of-immunoglobulin-and-fc%C3%AE-receptor-genes
#10
Janardan P Pandey, Aryan M Namboodiri, Bethany Wolf, Motoki Iwasaki, Yoshio Kasuga, Gerson S Hamada, Shoichiro Tsugane
High levels of naturally occurring IgG antibodies to mucin 1 (MUC1), a membrane-bound glycoprotein that is overexpressed in patients with breast cancer, are associated with good prognosis. This suggests that endogenous anti-MUC1 antibodies have a protective effect and, through antibody-mediated host immunosurveillance mechanisms, might contribute to a cancer-free state. To test this possibility, we characterized a large number of multiethnic patients with breast cancer and matched controls for IgG antibodies to MUC1...
October 18, 2017: Immunobiology
https://www.readbyqxmd.com/read/29052568/genetic-testing-of-the-mucin-1-gene-variable-number-tandem-repeat-single-cytosine-insertion-mutation-in-a-chinese-family-with-medullary-cystic-kidney-disease
#11
Nuo Si, Ke Zheng, Jie Ma, Xiao-Lu Meng, Xue-Mei Li, Xue Zhang
BACKGROUND: Medullary cystic kidney disease (MCKD) is clinically indistinguishable from several other autosomal-dominant renal diseases; thus, molecular genetic testing is needed to establish a definitive diagnosis. A specific type of single cytosine insertion in the variable number tandem repeat (VNTR) of the mucin 1 (MUC1) gene is the only known cause of MCKD1; however, genetic analysis of this mutation is difficult and not yet offered routinely. To identify the causative mutation/s and establish a definitive diagnosis in a Chinese family with chronic kidney disease, clinical assessments and genetic analysis were performed, including using a modified genotyping method to identify the MUC1- VNTR single cytosine insertion...
October 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29051346/data-driven-prioritization-and-review-of-targets-for-molecular-based-theranostic-approaches-in-pancreatic-cancer
#12
Marjory Koller, Elmire Hartmans, Derk Jan A de Groot, Xiao Juan Zhao, Gooitzen Michell van Dam, Wouter Nagengast, Rudolf S N Fehrmann
Molecular targeted therapeutical and imaging strategies directed at aberrant signaling-pathways in pancreatic tumor cells may improve the poor outcome of pancreatic ductal adenocarcinoma (PDA). Therefore, relevant molecular targets need to be identified. Methods: We collected publicly available expression profiles of patient derived normal pancreatic tissue (n = 77) and PDA samples (n = 103). Functional Genomic mRNA (FGmRNA) profiling was applied to predict target upregulation on the protein level. We prioritized these targets based on current status of (pre)-clinical therapeutical and imaging evaluation in PDA...
October 19, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/29050200/targeting-muc1-c-suppresses-polycomb-repressive-complex-1-in-multiple-myeloma
#13
Ashujit Tagde, Tahireh Markert, Hasan Rajabi, Masayuki Hiraki, Maroof Alam, Audrey Bouillez, David Avigan, Kenneth Anderson, Donald Kufe
The polycomb repressive complex 1 (PRC1) includes the BMI1, RING1 and RING2 proteins. BMI1 is required for survival of multiple myeloma (MM) cells. The MUC1-C oncoprotein is aberrantly expressed by MM cells, activates MYC and is also necessary for MM cell survival. The present studies show that targeting MUC1-C with (i) stable and inducible silencing and CRISPR/Cas9 editing and (ii) the pharmacologic inhibitor GO-203, which blocks MUC1-C function, downregulates BMI1, RING1 and RING2 expression. The results demonstrate that MUC1-C drives BMI1 transcription by a MYC-dependent mechanism...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29045979/-changes-of-serum-krebs-von-den-lungen-6-levels-in-interstitial-lung-disease-associated-with-dermatomyositis-and-secondary-sj%C3%A3-gren-s-syndrome-a-case-report
#14
J F Yu, Y B Jin, J He, Y An, Z G Li
Interstitial lung diseases (ILDs) are a diverse group of pulmonary disorders characterized by various patterns of inflammation and fibrosis in the interstitium of the lung. The underlying pathogenesis of ILDs is complex and associated with multiple rheumatologic conditions, such as systemic sclerosis, rheumatoid arthritis, pollymyositis and dermatomyositis, Sjögren's syndrome, and systemic lupus erythematosus. As the disease progresses, excessive pulmonary fibrosis impairs alveolar gas exchange and damages pulmonary function...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29045792/glycopeptides-as-targets-for-dendritic-cells-exploring-muc1-glycopeptides-binding-profile-toward-macrophage-galactose-type-lectin-mgl-orthologs
#15
Gerard Artigas, João T Monteiro, Hiroshi Hinou, Shin-Ichiro Nishimura, Bernd Lepenies, Fayna Garcia-Martin
The macrophage galactose-type lectin (MGL) recognizes glycan moieties exposed by pathogens and malignant cells. Particularly, mucin-1 (MUC1) glycoprotein presents an altered glycosylation in several cancers. To estimate the ability of distinct MGL orthologs to recognize aberrant glycan cores in mucins, we applied evanescent-field detection to a versatile MUC1-like glycopeptide microarray platform. Here, as binding was sequence-dependent, we demonstrated that not only sugars but also peptide region impact the recognition of murine MGL1 (mMGL1)...
November 9, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29042925/calreticulin-is-an-effective-immunologic-adjuvant-to-tumor-associated-antigens
#16
Jun Wang, Zhi Peng Gao, Song Qin, Chang Bai Liu, Li Li Zou
As a key molecule involved in cell recognition, calreticulin (CRT) may be expressed on the surface of (pre-) apoptotic cells and provide the signal that is recognized by dendritic cells (DCs) or other antigen presenting cells (APCs), which results in phagocytosis. Within the APCs, tumor-associated antigens (TAAs) may be subsequently presented to T lymphocytes, which triggers a specific antitumor immune response. It has been hypothesized that CRT is able to act as the immunologic adjuvant and translocate itself and TAAs to the cell surface and induce a specific antitumor immune response...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29037916/pfaffia-paniculata-brazilian-ginseng-extract-modulates-mapk-and-mucin-pathways-in-intestinal-inflammation
#17
C A R A Costa, A E V Quaglio, L C Di Stasi
ETHNOPHARMACOLOGICAL RELEVANCE: Pfaffia paniculata is an endemic Brazilian plant traditionally used against fatigue, stress, inflammation and low immune system as well as with proven intestinal anti-inflammatory activity. AIM OF THE STUDY: To evaluate intestinal anti-inflammatory effects of P. paniculata on the mRNA abundance of Hsp70, Heparanase, Mapk1, Mapk3, Mapk6, Mapk9, Muc1, Muc2, Muc3, Muc4, and NF-κB, as well as the mucin content in colonic samples. MATERIAL AND METHODS: Intestinal inflammation was induced by TNBS and rats were divided into groups that received vehicle or 25, 50, 100, or 200mg/kg of P...
October 14, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29034552/cervical-carcinomas-with-a-micropapillary-component-a-clinicopathological-study-of-8-cases
#18
Colin J R Stewart, M H E Koay, Connull Leslie, Nathan Acott, Yee C Leung
AIMS: Micropapillary carcinomas, or carcinomas with a micropapillary component, are well-recognised in the breast and other anatomical sites. However, they have seldom been described in the cervix. In this report we present a clinicopathological analysis of eight cervical tumours that showed at least a focal (≥5%) component of micropapillary carcinoma. METHODS AND RESULTS: The study group comprised eight cervical carcinomas (4 adenocarcinomas and 4 adenosquamous carcinomas) with a micropapillary component...
October 16, 2017: Histopathology
https://www.readbyqxmd.com/read/29028942/association-of-high-evidence-gastric-cancer-susceptibility-loci-and-somatic-gene-expression-levels-with-survival
#19
Hyuna Sung, Nan Hu, Howard H Yang, Carol A Giffen, Bin Zhu, Lei Song, Hua Su, Chaoyu Wang, Dominick M Parisi, Alisa M Goldstein, Philip R Taylor, Paula L Hyland
Eleven high-evidence single-nucleotide polymorphisms (SNPs) at nine loci for gastric cancer (GC) risk were reported, but their associations with survival remain unknown. In this study, we examined associations between SNP and GC survival by anatomic location and histology among 1147 incident cases from the Shanxi Upper Gastrointestinal Genetics Project. We further examined whether SNPs were expression quantitative trait loci in normal and tumor gastric tissues, and whether tumor versus normal somatic mRNA differences in 126 cases were associated with survival...
October 26, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/29022615/principles-of-mucin-structure-implications-for-the-rational-design-of-cancer-vaccines-derived-from-muc1-glycopeptides
#20
Nuria Martínez-Sáez, Jesús M Peregrina, Francisco Corzana
Cancer is currently one of the world's most serious public health problems. Significant efforts are being made to develop new strategies that can eradicate tumours selectively without detrimental effects to healthy cells. One promising approach is focused on the design of vaccines that contain partially glycosylated mucins in their formulation. Although some of these vaccines are in clinical trials, a lack of knowledge about the molecular basis that governs the antigen presentation, and the interactions between antigens and the elicited antibodies has limited their success thus far...
October 12, 2017: Chemical Society Reviews
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