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https://www.readbyqxmd.com/read/28632777/immunohistochemiocal-subtyping-using-ck20-and-ck5-can-identify-urothelial-carcinomas-of-the-upper-urinary-tract-with-a-poor-prognosis
#1
Danijel Sikic, Bastian Keck, Sven Wach, Helge Taubert, Bernd Wullich, Peter J Goebell, Andreas Kahlmeyer, Peter Olbert, Philipp Isfort, Wilhelm Nimphius, Arndt Hartmann, Johannes Giedl
PURPOSE: Genome-wide analyses revealed basal and luminal subtypes of urothelial carcinomas of the bladder. It is unknown if this subtyping can also be applied to upper tract urothelial carcinomas. MATERIALS AND METHODS: Tumor samples from 222 patients with upper tract urothelial carcinomas who were treated with radical nephroureterectomy were analyzed for the expression of seven basal/luminal immunohistochemical markers (CK5, EGFR, CD44, CK20, p63, GATA3, FOXA1)...
2017: PloS One
https://www.readbyqxmd.com/read/28632199/modulatory-effects-of-guarana-paullinia-cupana-on-adipogenesis
#2
Natália da Silva Lima, Erica de Paula Numata, Leonardo Mendes de Souza Mesquita, Pollyana Hammoud Dias, Wagner Vilegas, Alessandra Gambero, Marcelo Lima Ribeiro
Guarana (Paullinia cupana) is a plant originated in Brazil that presents a beneficial effect on body weight control and metabolic alterations. The aim of this study was to evaluate the effects of guarana on genes and miRNAs related to adipogenesis in 3T3L1 cells. The anti-adipogenic effect of guarana was evaluated by Oil Red-O staining. Gene and miRNA expression levels were determined by real time PCR. The Cebpα and β-catenin nuclear translocation were evaluated using immunocytochemistry. Our data indicated that the triglyceride-reducing effect of guarana was dose-dependent from 100 to 300 µg/mL (-12%, -20%, -24% and -40%, respectively, p < 0...
June 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28627735/genetic-alterations-in-adult-t-cell-leukemia-lymphoma
#3
REVIEW
Yasunori Kogure, Keisuke Kataoka
Adult T-cell leukemia/lymphoma (ATL) is a peripheral T-cell neoplasm with a dismal prognosis, caused by human T-cell leukemia virus type-1 (HTLV-1) retrovirus. A long latency period from HTLV-1 infection to ATL onset suggests that not only HTLV-1 proteins, such as Tax and HBZ, but also additional genetic and/or epigenetic events are required for ATL development. Although many studies have demonstrated the biological functions of viral genes, alterations of cellular genes associated with ATL have not been fully investigated...
June 19, 2017: Cancer Science
https://www.readbyqxmd.com/read/28624363/brazilian-red-propolis-effects-on-peritoneal-macrophage-activity-nitric-oxide-cell-viability-pro-inflammatory-cytokines-and-gene-expression
#4
Bruno Bueno-Silva, Dione Kawamoto, Ellen S Ando-Suguimoto, Renato C V Casarin, Severino M Alencar, Pedro L Rosalen, Marcia P A Mayer
ETHNOPHARMACOLOGICAL RELEVANCE: Propolis has been used in folk medicine since ancient times and it presented inhibitory effect on neutrophil recruitment previously. However, its effect on macrophage obtained from mice remains unclear. AIM OF THE STUDY: To demonstrate BRP effects on LPS activated peritoneal macrophage. MATERIALS AND METHODS: Peritoneal macrophages, obtained from C57BL6 mice and activated with LPS, were treated with 50-80µg/mL of crude extract of Brazilian red propolis (BRP) during 48h...
June 15, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28615725/transcriptome-analysis-reveals-similarities-between-human-blood-cd3-cd56-bright-cells-and-mouse-cd127-innate-lymphoid-cells
#5
David S J Allan, Ana Sofia Cerdeira, Anuisa Ranjan, Christina L Kirkham, Oscar A Aguilar, Miho Tanaka, Richard W Childs, Cynthia E Dunbar, Jack L Strominger, Hernan D Kopcow, James R Carlyle
For many years, human peripheral blood natural killer (NK) cells have been divided into functionally distinct CD3(-) CD56(bright) CD16(-) and CD3(-) CD56(dim) CD16(+) subsets. Recently, several groups of innate lymphoid cells (ILC), distinct from NK cells in development and function, have been defined in mouse. A signature of genes present in mouse ILC except NK cells, defined by Immunological Genome Project studies, is significantly over-represented in human CD56(bright) cells, by gene set enrichment analysis...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28615417/t-cell-restricted-notch-signaling-contributes-to-pulmonary-th1-and-th2-immunity-during-cryptococcus-neoformans-infection
#6
Lori M Neal, Yafeng Qiu, Jooho Chung, Enze Xing, Woosung Cho, Antoni N Malachowski, Ashley R Sandy-Sloat, John J Osterholzer, Ivan Maillard, Michal A Olszewski
Cryptococcus neoformans is a ubiquitous, opportunistic fungal pathogen but the cell signaling pathways that drive T cell responses regulating antifungal immunity are incompletely understood. Notch is a key signaling pathway regulating T cell development, and differentiation and functional responses of mature T cells in the periphery. The targeting of Notch signaling within T cells has been proposed as a potential treatment for alloimmune and autoimmune disorders, but it is unknown whether disturbances to T cell immunity may render these patients vulnerable to fungal infections...
June 14, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28614770/transcription-factor-gata3-expression-is-induced-by-gls2-overexpression-in-a-glioblastoma-cell-line-but-is-gls2-independent-in-patient-derived-glioblastoma
#7
E Majewska, R Rola, M Barczewska, J Marquez, J Albrecht, M Szeliga
Phosphate-activated glutaminase (GA), a ubiquitous glutamine-metabolizing enzyme, is encoded by two genes, GLS and GLS2. In mammalian cancers, GLS isoforms are perceived as molecules promoting cell proliferation and invasion, whereas the role of GLS2 isoforms seems to be more complex and cell type-specific. Previous studies have shown abundance of GLS and lack of GLS2 transcripts in T98G human glioblastoma (GBM) cell line and patient-derived GBM. Transfection with GAB sequence, the whole GLS2 cDNA transcript, suppressed malignant phenotype of T98G cells...
April 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/28614203/gata3-immunohistochemistry-for-distinguishing-sarcomatoid-and-desmoplastic-mesothelioma-from-sarcomatoid-carcinoma-of-the-lung
#8
Kyra B Berg, Andrew Churg
The separation of sarcomatoid and desmoplastic malignant mesotheliomas from sarcomatoid carcinomas of the lung metastatic to the pleura may be difficult, since both types of tumor can be morphologically similar and are frequently positive only for pan-keratin. GATA binding protein 3 (GATA3) is most commonly used as an immunohistochemical marker of breast and urothelial carcinoma, but is also known to stain other types of tumors including some mesotheliomas. In this study we asked whether GATA3 stains could be used to distinguish sarcomatoid/desmoplastic malignant mesotheliomas (N=19) from sarcomatoid carcinomas of the lung (N=13)...
June 13, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28611201/relationship-of-the-breast-ductal-carcinoma-in-situ-immune-microenvironment-with-clinico-pathological-and-genetic-features
#9
Shona Hendry, Jia-Min B Pang, David Byrne, Sunil R Lakhani, Margaret C Cummings, Ian G Campbell, G Bruce Mann, Kylie L Gorringe, Stephen B Fox
The immune microenvironment of breast ductal carcinoma in situ (DCIS) has yet to be fully explored, and the relationship of immune cells to genetic features of DCIS is unknown. <br /><br />Experimental Design: We quantified tumour associated lymphocytes (TILs) and evaluated PD-L1 protein levels by immunohistochemistry in a cohort of pure DCIS (138 and 79 cases respectively), some of which had copy number (n=55) and mutation data (n=20). <br /><br />Results: TILs were identified in the stroma surrounding DCIS (119/138, 86%) and present at a median TIL score of 5% (range 0-90%)...
June 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28607488/stability-and-function-of-regulatory-t-cells-expressing-the-transcription-factor-t-bet
#10
Andrew G Levine, Alejandra Medoza, Saskia Hemmers, Bruno Moltedo, Rachel E Niec, Michail Schizas, Beatrice E Hoyos, Ekaterina V Putintseva, Ashutosh Chaudhry, Stanislav Dikiy, Sho Fujisawa, Dmitriy M Chudakov, Piper M Treuting, Alexander Y Rudensky
Adaptive immune responses are tailored to different types of pathogens through differentiation of naive CD4 T cells into functionally distinct subsets of effector T cells (T helper 1 (TH1), TH2, and TH17) defined by expression of the key transcription factors T-bet, GATA3, and RORγt, respectively. Regulatory T (Treg) cells comprise a distinct anti-inflammatory lineage specified by the X-linked transcription factor Foxp3 (refs 2, 3). Paradoxically, some activated Treg cells express the aforementioned effector CD4 T cell transcription factors, which have been suggested to provide Treg cells with enhanced suppressive capacity...
June 15, 2017: Nature
https://www.readbyqxmd.com/read/28604747/gata3-interacts-with-and-stabilizes-hif-1%C3%AE-to-enhance-cancer-cell-invasiveness
#11
M-C Lin, J-J Lin, C-L Hsu, H-F Juan, P-J Lou, M-C Huang
This corrects the article DOI: 10.1038/onc.2017.8.
June 12, 2017: Oncogene
https://www.readbyqxmd.com/read/28602842/immune-responses-and-parasitological-observations-induced-during-probiotic-treatment-with-medicinal-trichuris-suis-ova-in-a-healthy-volunteer
#12
Andrew R Williams, Anders Dige, Tue Kruse Rasmussen, Christian L Hvas, Jens F Dahlerup, Lars Iversen, C Rune Stensvold, Jørgen Agnholt, Peter Nejsum
Ingestion of eggs (ova) of the porcine nematode parasite Trichuris suis (TSO) may reduce the severity of autoimmune disorders, however the development of TSO treatment as a useful therapy for autoimmune diseases is hampered by a lack of knowledge on the development of the parasite and the nature of the local immune responses in humans. Here, we used colonoscopy to investigate the development of T. suis and related mucosal and systemic immune responses during TSO treatment in an intestinally healthy male volunteer...
June 8, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28599307/morin-promotes-prostate-cancer-cells-chemosensitivity-to-paclitaxel-through-mir-155-gata3-axis
#13
Bin Li, Xunbo Jin, Huilin Meng, Bo Hu, Tao Zhang, Jiang Yu, Shaoan Chen, Xudong Guo, Weiguo Wang, Wei Jiang, Jin Wang
Paclitaxel is a first-line microtubule-stabilizing drug in treating prostate cancer. However, most patients develop resistance and experience relapse. Morin (3,5,7,20,40-pentahydroxyflavone) is an anti-tumor flavonoid in a numerous types of cancer cells including breast, ovarian and lung cancers. We therefore researched the effects of morin as an adjuvant to paclitaxel in in treating DU145 and PC-3 cells in vitro and DU145 derived prostate cancers in nude mice models. The chemosensitivities of these cells to the treatments of morin and paclitaxel were tested through viability assays utilizing cell counting kit 8 (CCK-8) and apoptosis assays through flow cytometry analyses...
May 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28598986/computational-analysis-of-multimorbidity-between-asthma-eczema-and-rhinitis
#14
Daniel Aguilar, Mariona Pinart, Gerard H Koppelman, Yvan Saeys, Martijn C Nawijn, Dirkje S Postma, Mübeccel Akdis, Charles Auffray, Stéphane Ballereau, Marta Benet, Judith García-Aymerich, Juan Ramón González, Stefano Guerra, Thomas Keil, Manolis Kogevinas, Bart Lambrecht, Nathanael Lemonnier, Erik Melen, Jordi Sunyer, Rudolf Valenta, Sergi Valverde, Magnus Wickman, Jean Bousquet, Baldo Oliva, Josep M Antó
BACKGROUND: The mechanisms explaining the co-existence of asthma, eczema and rhinitis (allergic multimorbidity) are largely unknown. We investigated the mechanisms underlying multimorbidity between three main allergic diseases at a molecular level by identifying the proteins and cellular processes that are common to them. METHODS: An in silico study based on computational analysis of the topology of the protein interaction network was performed in order to characterize the molecular mechanisms of multimorbidity of asthma, eczema and rhinitis...
2017: PloS One
https://www.readbyqxmd.com/read/28591985/-application-of-immunohistochemistry-for-p16-and-gata3-and-molecular-hpv-typing-in-diagnosis-of-secondary-bladder-involvement-by-cervical-carcinoma
#15
R F Huang, C He, W F Zhu, Y Li, G Chen
Objective: To investigate the expression of p16 and GATA3 and the detection of human papillomavirus (HPV) in secondary bladder involvement by cervical carcinomas. Methods: Sixteen cases of cervical carcinoma with bladder involvement diagnosed from December 2008 to March 2016 were collected and evaluated by light microscopy, immunohistochemistry for p16 and GATA3 detection and PCR-reverse dot blot for molecular typing of HPV. Results: The age of the patients ranged from 25 to 76 years with median of 52 years...
June 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28581515/gata3-targets-semaphorin-3b-in-mammary-epithelial-cells-to-suppress-breast-cancer-progression-and-metastasis
#16
P Shahi, C-Y Wang, J Chou, C Hagerling, H Gonzalez Veloso, A Ruderisch, Y Yu, M-D Lai, Z Werb
Semaphorin 3B (SEMA3B) is a secreted axonal guidance molecule that is expressed during development and throughout adulthood. Recently, SEMA3B has emerged as a tumor suppressor in non-neuronal cells. Here, we show that SEMA3B is a direct target of GATA3 transcriptional activity. GATA3 is a key transcription factor that regulates genes involved in mammary luminal cell differentiation and tumor suppression. We show that GATA3 relies on SEMA3B for suppression of tumor growth. Loss of SEMA3B renders GATA3 inactive and promotes aggressive breast cancer development...
June 5, 2017: Oncogene
https://www.readbyqxmd.com/read/28580595/mutation-screening-of-10-cancer-susceptibility-genes-in-unselected-breast-cancer-patients
#17
Yueliang Xie, Li Guoli, Ming Chen, Xinwu Guo, Lili Tang, Xipeng Luo, Shouman Wang, Wenjun Yi, Lizhong Dai, Jun Wang
Variants of cancer susceptibility genes other than BRCA1/2 have been proved to be associated with increased risks of breast cancer. This study was performed to investigate the spectrum and prevalence of mutations in 10 cancer susceptibility genes in paired tumor/normal tissues of 292 unselected Chinese breast cancer patients. We performed an analysis of germline and somatic variants in ATM, CDH1, CHEK2, ESR1, GATA3, MAP3K1, MSH2, PALB2, RB1 and STK11 genes by integrating microfluidic PCR-based target enrichment and next-generation sequencing technologies...
June 5, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/28576978/hox5-paralogous-genes-modulate-th2-cell-function-during-chronic-allergic-inflammation-via-regulation-of-gata3
#18
Catherine Ptaschinski, Steven M Hrycaj, Matthew A Schaller, Deneen M Wellik, Nicholas W Lukacs
Allergic asthma is a significant health burden in western countries, and continues to increase in prevalence. Th2 cells contribute to the development of disease through release of the cytokines IL-4, IL-5, and IL-13, resulting in increased airway eosinophils and mucus hypersecretion. The molecular mechanisms behind the disease pathology remain largely unknown. In this study we investigated a potential regulatory role for the Hox5 gene family, Hoxa5, Hoxb5, and Hoxc5, genes known to be important in lung development within mesenchymal cell populations...
June 2, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28574279/update-on-immunohistochemical-analysis-in-breast-lesions
#19
Yan Peng, Yasmeen M Butt, Beiyun Chen, Xinmin Zhang, Ping Tang
CONTEXT: - The utility of immunohistochemistry (IHC) in breast lesions needs to be updated with exceptions among these lesions. Biomarker studies with IHC in triple-negative breast carcinoma may help develop targeted therapies for this aggressive breast cancer. The distinction of metastatic lung adenocarcinoma to the breast and invasive breast carcinoma has significant prognostic and therapeutic implications. The determination can be challenging because both primary tumors can express estrogen receptor and/or HER2 by IHC, creating a diagnostic dilemma...
June 2, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28573508/crossover-subsets-of-cd4-t-lymphocytes-in-the-intestinal-lamina-propria-of%C3%A2-patients-with-crohn-s-disease-and-ulcerative-colitis
#20
Ji Li, Aito Ueno, Marietta Iacucci, Miriam Fort Gasia, Humberto B Jijon, Remo Panaccione, Gilaad G Kaplan, Paul L Beck, Joanne Luider, Herman W Barkema, Jiaming Qian, Xianyong Gui, Subrata Ghosh
BACKGROUND: Hovhannisyan et al. first showed evidence of plasticity between Treg and Th17 in the inflamed intestine of Crohn's disease (CD) patients. Our previous report suggests that the inflammatory cytokine milieu generates IL-17(+) Foxp3(+) CD4(+) T lymphocytes which is a crossover population converting Treg subset to Th17 in the peripheral blood of IBD patients. This is considered as an evidence of Treg/Th17 plasticity. AIM: The aim of this study was to characterize a variety of helper T cell crossover population, not limited to IL-17(+) Foxp3(+) CD4(+) T lymphocytes, in the lamina propria (LP) of IBD patients...
June 1, 2017: Digestive Diseases and Sciences
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