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Gata3

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https://www.readbyqxmd.com/read/28446464/trf-mir-1280-suppresses-stem-cell-like-cells-and-metastasis-in-colorectal-cancer
#1
Bingqing Huang, Huipeng Yang, Xixi Cheng, Dan Wang, Shuyu Fu, Wencui Shen, Qi Zhang, Lijuan Zhang, Zhenyi Xue, Yan Li, Yurong Da, Qing Yang, Zesong Li, Li Liu, Liang Qiao, Ying Kong, Zhi Yao, Peng Zhao, Min Li, Rongxin Zhang
Several studies have shown that tRNAs can be enzymatically cleaved to generate distinct classes of tRNA-derived fragments (tRF). Here we report that tRF/miR-1280, a 17bp fragment derived from tRNA(Leu) and pre-miRNA, influences Notch signaling pathways that support the function of cancer stem-like cells (CSC) in colorectal cancer progression. tRF/miR-1280 expression was decreased in human specimens of colorectal cancer (CRC). Ectopic expression of tRF/miR-1280 reduced cell proliferation and colony formation, whereas its suppression reversed these effects...
April 26, 2017: Cancer Research
https://www.readbyqxmd.com/read/28439500/chronic-toxoplasma-gondii-infection-exacerbates-secondary-polymicrobial-sepsis
#2
Maria C Souza, Denise M Fonseca, Alexandre Kanashiro, Luciana Benevides, Tiago S Medina, Murilo S Dias, Warrison A Andrade, Giuliano Bonfá, Marcondes A B Silva, Aline Gozzi, Marcos C Borges, Ricardo T Gazzinelli, José C Alves-Filho, Fernando Q Cunha, João S Silva
Sepsis is a severe syndrome that arises when the host response to an insult is exacerbated, leading to organ failure and frequently to death. How a chronic infection that causes a prolonged Th1 expansion affects the course of sepsis is unknown. In this study, we showed that mice chronically infected with Toxoplasma gondii were more susceptible to sepsis induced by cecal ligation and puncture (CLP). Although T. gondii-infected mice exhibited efficient control of the bacterial burden, they showed increased mortality compared to the control groups...
2017: Frontiers in Cellular and Infection Microbiology
https://www.readbyqxmd.com/read/28437578/klrg1-impairs-treg-competitive-fitness-in-the-gut
#3
Holger Meinicke, Anna Bremser, Maria Brack, Klaudia Schrenk, Hanspeter Pircher, Ana Izcue
Immune homeostasis requires the tight, tissue-specific control of the different CD4(+) Foxp3(+) regulatory T cells (Treg) populations. The cadherin-binding inhibitory receptor KLRG1 is expressed by a subpopulation of Treg with GATA3(+) effector phenotype. Although such Treg are important for the immune balance, especially in the gut, the role of KLRG1 in Treg has not been assessed. Using KLRG1 KO mice, we found that KLRG1 deficiency does not affect Treg frequencies in spleen, mesenteric lymph nodes or intestine, or frequencies of GATA3(+) Treg in the gut...
April 24, 2017: Immunology
https://www.readbyqxmd.com/read/28437001/tumor-associated-changes-in-intestinal-epithelial-cells-cause-local-accumulation-of-klrg1-gata3-regulatory-t-cells-in-mice
#4
Holger Meinicke, Anna Bremser, Maria Brack, Paulina Akeus, Claire Pearson, Samuel Bullers, Katrin Hoffmeyer, Marc P Stemmler, Marianne Quiding-Järbrink, Ana Izcue
CD4(+) Foxp3(+) regulatory T cells (Treg) include differentiated populations of effector Treg characterized by the expression of specific transcription factors. Tumors, including intestinal malignancies, often present with local accumulation of Treg that can prevent tumor clearance, but how tumor progression leads to Treg accumulation is incompletely understood. Here using genetically modified mouse models we show that ablation of E-cadherin, a process associated with epithelial to mesenchymal transition (EMT) and tumor progression, promotes the accumulation of intestinal Treg by the specific accumulation of the KLRG1(+) GATA3(+) Treg subset...
April 24, 2017: Immunology
https://www.readbyqxmd.com/read/28428285/characterisation-of-gata3-expression-in-invasive-breast-cancer-differences-in-histological-subtypes-and-immunohistochemically-defined-molecular-subtypes
#5
Tang Shaoxian, Yu Baohua, Xu Xiaoli, Cheng Yufan, Tu Xiaoyu, Lu Hongfen, Bi Rui, Sun Xiangjie, Shui Ruohong, Yang Wentao
AIMS: GATA-binding protein 3 (GATA3) is a sensitive and relatively specific marker in breast and urothelial carcinomas. Its diagnostic utility in primary and metastatic breast cancers has been explored and confirmed. However, the relationship between GATA3 expression and different breast carcinoma intrinsic subtypes has not been specifically defined in the literature despite a few reports with a small number of cases. The aim of the current investigation is to clarify GATA3 expression among different histological subtypes and surrogate molecular breast carcinoma subtypes in a large series of cases...
April 20, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28428106/gata3-immunohistochemistry-in-urothelial-carcinoma-of-the-upper-urinary-tract-as-a-urothelial-marker-as-well-as-a-prognosticator
#6
Satoshi Inoue, Taichi Mizushima, Kazutoshi Fujita, Abdelrazak Meliti, Hiroki Ide, Seiji Yamaguchi, Hiroaki Fushimi, George J Netto, Norio Nonomura, Hiroshi Miyamoto
Immunohistochemistry of a transcription factor, GATA3, has been widely used as a promising urothelial marker in diagnostic surgical pathology practice. However, the expression status of GATA3 in upper urinary tract urothelial carcinomas (UUTUCs) and its prognostic significance have not been fully investigated. We immunohistochemically stained for GATA3 in 99 UUTUC samples and paired non-neoplastic urothelial tissues. GATA3 was positive in 51 [51.5%; 32 (32.3%) weak, 11 (11.1%) moderate, 8 (8.1%) strong] of 99 UUTUCs, which was significantly lower than in benign urothelium [79 (96...
April 17, 2017: Human Pathology
https://www.readbyqxmd.com/read/28423734/gata3-and-trps1-are-distinct-biomarkers-and-prognostic-factors-in-breast-cancer-database-mining-for-gata-family-members-in-malignancies
#7
Hao-Yu Lin, De Zeng, Yuan-Ke Liang, Xiao-Long Wei, Chun-Fa Chen
GATA transcription factors are zinc finger DNA binding proteins that activate transcription during development and cell differentiation. To date, 7 members of GATA family have been reported. However, the expression patterns and the exact roles of distinct GATA family members contributing to tumorigenesis and progression of breast cancer (BC) remain to be elucidated. Here, we studied the expression of GATA transcripts in a variety of tumor types compared with the normal controls using the ONCOMINE and GOBO databases, along with their corresponding expression profiles in an array of cancer cell lines through CCLE analysis...
March 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28418014/the-relationship-between-allergic-status-and-adenotonsillar-regrowth-a-retrospective-research-on-children-after-adenotonsillectomy
#8
Zirong Huo, Jun Shi, Yilai Shu, Mingliang Xiang, Jingrong Lu, Hao Wu
Adenotonsillar regrowth in children after adenotonsillectomy (T&A) for obstructive sleep apnea (OSA) is often seen in clinical treatment, however, the relationship between allergic disease and adenotonsillar regrowth remains unclear. In this retrospective study, children were assigned to either the recurrence or control group, and subdivided by age at operation. Among children over 36 months, those in the recurrence group had more allergic disease and higher IgE, IL-4, and IL-5 levels than the same-aged children in control group...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28415601/regulatory-network-of-gata3-in-pediatric-acute-lymphoblastic-leukemia
#9
Qianqian Hou, Fei Liao, Shouyue Zhang, Duyu Zhang, Yan Zhang, Xueyan Zhou, Xuyang Xia, Yuanxin Ye, Hanshuo Yang, Zhaozhi Li, Leiming Wang, Xi Wang, Zhigui Ma, Yiping Zhu, Liang Ouyang, Yuelan Wang, Hui Zhang, Li Yang, Heng Xu, Yang Shu
GATA3 polymorphisms were reported to be significantly associated with susceptibility of pediatric B-lineage acute lymphoblastic leukemia (ALL), by impacting on GATA3 expression. We noticed that ALL-related GATA3 polymorphism located around in the tissue-specific enhancer, and significantly associated with GATA3 expression. Although the regulatory network of GATA3 has been well reported in T cells, the functional status of GATA3 is poorly understood in B-ALL. We thus conducted genome-wide gene expression association analyses to reveal expression associated genes and pathways in nine independent B-ALL patient cohorts...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413396/mammary-analogue-secretory-carcinoma-presenting-as-a-cervical-lymph-node-metastasis-of-unknown-primary-site-a-case-report
#10
Kensuke Suzuki, Masao Yagi, Akira Kanda, Yoshiki Kobayashi, Masaya Konishi, Chika Miyasaka, Takashi Tashiro, Hiroshi Iwai
BACKGROUND: Mammary analogue secretory carcinoma (MASC) is a pathological entity arising in the salivary glands first described by Skalova et al. [Am J Surg Pathol 2010;34: 599-608]. Here, we report the first case of MASC presenting as a cervical lymph node metastasis of unknown primary site together with a brief review of the literature. CASE REPORT: We present a 74-year-old male with a painless lump in his left neck. Based on the fine-needle aspiration cytological findings, a possible malignant tumor was suspected...
January 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/28411045/pro-inflammatory-effects-of-the-th1-chemokine-cxcl10-in-acquired-aplastic-anaemia
#11
Junhong Li, Meili Ge, Shihong Lu, Jun Shi, Xingxin Li, Min Wang, Jinbo Huang, Yingqi Shao, Zhendong Huang, Jing Zhang, Neng Nie, Yizhou Zheng
CXCL10/IFN-γ-induced protein 10 (IP-10) and its corresponding receptor CXCR3 have long been considered to be involved in the pathophysiology of type 1 T (Th1) cell-orientated autoimmune diseases. However, the exact role of CXCL10 in the pathogenesis of aplastic anaemia (AA) has not been thoroughly studied. The aim of our study was to evaluate the plasma level of CXCL10 and its effects on CD4(+) T cell differentiation in AA. In our study, we found that an elevated plasma level of CXCL10 was negatively correlated with platelet, absolute neutrophil and reticulocyte counts, while it was positively correlated with the proportion of lymphocytes in white blood cells in AA patients...
April 11, 2017: Cytokine
https://www.readbyqxmd.com/read/28408801/effects-of-%C3%AE-d-mannuronic-acid-as-a-novel-non-steroidal-anti-inflammatory-medication-within-immunosuppressive-properties-on-il17-ror%C3%AE-t-il4-and-gata3-gene-expressions-in-rheumatoid-arthritis-patients
#12
Anis Barati, Ahmad Reza Jamshidi, Hossein Ahmadi, Zahra Aghazadeh, Abbas Mirshafiey
Rheumatoid arthritis (RA) is the most common form of chronic inflammatory arthritis characterized by pain, swelling and destruction of joints, with a resultant disability. Disease-modifying anti-rheumatic drugs (DMARDs) and biological drugs can interfere with the disease process. In this study, the effect of β-d-mannuronic acid (M2000) as a novel non-steroidal anti-inflammatory drug (NSAID) with immunosuppressive and anti-inflammatory effects together with antioxidant effects was evaluated on IL17, RORγt, IL4 and GATA3 gene expression in 12 RA patients...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28405154/breast-cancer-metastasizing-to-the-stomach-mimicking-primary-gastric-cancer-a-case-report
#13
Kwangil Yim, Sang Mi Ro, Jieun Lee
Breast cancer with stomach metastasis rare with an incidence of 1% or less among metastatic breast cancer patients. We experienced a case of breast cancer metastasizing to the stomach in 65-year-old female patient. She experienced dyspepsia and poor oral intake before visiting the clinic. Diffuse infiltration with nodular mucosal thickening of the stomach wall was observed, suggesting advanced gastric cancer based on gross endoscopic finding. Spread of poorly cohesive tumor cells in the gastric mucosa observed upon hematoxylin and eosin stain resembled signet ring cell carcinoma, but diffuse positive staining for GATA3 in immunohistochemical stain allowed for a conclusive diagnosis of breast cancer metastasizing to the stomach...
March 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28404635/a-novel-mir-24-tcf1-axis-in-modulating-effector-t-cell-responses
#14
Sunglim Cho, Cheng-Jang Wu, Duc T Nguyen, Ling-Li Lin, Mei-Chi Chen, Aly Azeem Khan, Bi-Huei Yang, Wenxian Fu, Li-Fan Lu
miR-23∼27∼24 was recently implicated in restricting Th2 immunity, as well as the differentiation and function of other effector T cell lineages. Interestingly, miR-24, unlike other family members, actually promotes Th1 and Th17 responses. In this article, we show that miR-24 drives the production of IFN-γ and IL-17 in T cells at least in part through targeting TCF1, a transcription factor known for its role in limiting Th1 and Th17 immunity. Surprisingly, whereas TCF1 was previously shown to promote Th2 responses through inducing GATA3, enforced TCF1 expression in miR-24-overexpressing T cells led to further downregulation of IL-4 and GATA3 expression, suggesting miR-24-mediated inhibition of Th2 immunity cannot be attributed to TCF1 repression by miR-24...
April 12, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28402854/in%C3%A2-vivo-interplay-between-p27-kip1-gata3-atoh1-and-pou4f3-converts-non-sensory-cells-to-hair-cells-in-adult-mice
#15
Bradley J Walters, Emily Coak, Jennifer Dearman, Grace Bailey, Tetsuji Yamashita, Bryan Kuo, Jian Zuo
Hearing loss is widespread and persistent because mature mammalian auditory hair cells (HCs) are nonregenerative. In mice, the ability to regenerate HCs from surrounding supporting cells (SCs) declines abruptly after postnatal maturation. We find that combining p27(Kip1) deletion with ectopic ATOH1 expression surmounts this age-related decline, leading to conversion of SCs to HCs in mature mouse cochleae and after noise damage. p27(Kip1) deletion, independent of canonical effects on Rb-family proteins, upregulated GATA3, a co-factor for ATOH1 that is lost from SCs with age...
April 11, 2017: Cell Reports
https://www.readbyqxmd.com/read/28398953/s100p-as-a-marker-for-urothelial-histogenesis-a-critical-review-and-comparison-with-novel-and-traditional-urothelial-immunohistochemical-markers
#16
REVIEW
Moushumi Suryavanshi, Julian Sanz-Ortega, Deepika Sirohi, Mukul K Divatia, Chisato Ohe, Claudia Zampini, Daniel Luthringer, Steven C Smith, Mahul B Amin
S100P, or placental S100, is a member of a large family of S100 proteins and considered to be a promising immunohistochemical marker to support urothelial differentiation. This review synthesizes published data regarding the expression of S100P in urothelial carcinoma across histological grade and variant patterns, and in other malignancies, in an effort to summarize the state of understanding of this marker and evaluate its potential. We provide also a broad comparison of S100P with other contemporary and traditional urothelial markers and outline the potential utility of S100P in various diagnostically challenging scenarios...
May 2017: Advances in Anatomic Pathology
https://www.readbyqxmd.com/read/28394898/prognostic-and-clinicopathological-value-of-gata-binding-protein-3-in-breast-cancer-a-systematic-review-and-meta-analysis
#17
Yawen Guo, Pan Yu, Zeming Liu, Yusufu Maimaiti, Chen Chen, Yunke Zhang, Xingjie Yin, Shan Wang, Chunping Liu, Tao Huang
The potential prognostic value of GATA binding protein 3 (GATA3) in breast cancer has recently increased, although the evidence is inconclusive. This meta-analysis of 10 articles involving 5,080 breast cancer patients explored the prognostic and clinicopathological value of GATA3 in breast cancer. Time to tumor progression (TTP) and overall survival (OS) were primary endpoints. Pooled hazard ratio (HR), pooled risk ratio (RR), and 95% confidence interval (CI) were calculated to evaluate the association between GATA3, prognosis, and clinicopathological parameters...
2017: PloS One
https://www.readbyqxmd.com/read/28387346/plk1-regulates-the-repressor-function-of-foxm1b-by-inhibiting-its-interaction-with-the-retinoblastoma-protein
#18
Nishit K Mukhopadhyay, Vaibhav Chand, Akshay Pandey, Dragana Kopanja, Janai R Carr, Yi-Ju Chen, Xiubei Liao, Pradip Raychaudhuri
FoxM1b is a cell cycle-regulated transcription factor, whose over-expression is a marker for poor outcome in cancers. Its transcriptional activation function requires phosphorylation by Cdk1 or Cdk2 that primes FoxM1b for phosphorylation by Plk1, which triggers association with the co-activator CBP. FoxM1b also possesses transcriptional repression function. It represses the mammary differentiation gene GATA3 involving DNMT3b and Rb. We investigated what determines the two distinct functions of FoxM1b: activation and repression...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28380480/hemodialysis-patients-display-a-declined-proportion-of-th2-and-regulatory-t-cells-in-parallel-with-a-high-interferon-%C3%AE-profile
#19
Ladan Mansouri, Anna Nopp, Stefan H Jacobson, Britta Hylander, Joachim Lundahl
BACKGROUND: A high prevalence of cardiovascular diseases (CVDs) and infections in patients with chronic kidney disease (CKD) arises partly due to a high inflammatory state and aberrations in immune cells function. Following in vitro stimulation of leukocytes with different T-cell mitogens, we observed a lower level of interleukin (IL)-2 and IL-10 production in CKD patients. To gain more knowledge as to whether this is the result of an alteration in T-cell function, we investigated the T-cell subsets profile and cytokine production in hemodialysis patients...
April 6, 2017: Nephron
https://www.readbyqxmd.com/read/28378334/rnase-7-downregulates-th2-cytokine-production-by-activated-human-t-cells
#20
Verena Kopfnagel, Sylvia Wagenknecht, Lena Brand, Jana Zeitvogel, Jürgen Harder, Karsten Hofmann, Michael Kleine, Thomas Werfel
BACKGROUND: The antimicrobial peptide (AMP) RNase 7 is constitutively expressed in the epidermis of healthy human skin and has been found to be upregulated in chronic inflammatory skin diseases such as atopic dermatitis and psoriasis. Activated T-cells in lesional skin of patients with atopic dermatitis (AD) and psoriasis (PSO) might be directly exposed to RNase 7. In addition to their antimicrobial activity immunoregulatory functions have been published for several AMPs. In this study we investigated immunoregulatory effects of the antimicrobial peptide RNase 7 on activated T-cells...
April 4, 2017: Allergy
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