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Kaiso

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https://www.readbyqxmd.com/read/28992811/cholera-outbreak-caused-by-drinking-lake-water-contaminated-with-human-faeces-in-kaiso-village-hoima-district-western-uganda-october-2015
#1
David W Oguttu, A Okullo, G Bwire, P Nsubuga, A R Ario
BACKGROUND: On 12 October 2015, a cholera outbreak involving 65 cases and two deaths was reported in a fishing village in Hoima District, Western Uganda. Despite initial response by the local health department, the outbreak persisted. We conducted an investigation to identify the source and mode of transmission, and recommend evidence-led interventions to control and prevent cholera outbreaks in this area. METHODS: We defined a suspected case as the onset of acute watery diarrhoea from 1 October to 2 November 2015 in a resident of Kaiso Village...
October 10, 2017: Infectious Diseases of Poverty
https://www.readbyqxmd.com/read/28887687/kaiso-is-highly-expressed-in-tnbc-tissues-of-women-of-african-ancestry-compared-to-caucasian-women
#2
Blessing I Bassey-Archibong, Shawn M Hercules, Lyndsay G A Rayner, Desiree H A Skeete, Suzanne P Smith Connell, Ian Brain, Adetola Daramola, Adekunbiola A F Banjo, Jung S Byun, Kevin Gardner, Jonathan Dushoff, Juliet M Daniel
PURPOSE: Triple-negative breast cancer (TNBC) is most prevalent in young women of African ancestry (WAA) compared to women of other ethnicities. Recent studies found a correlation between high expression of the transcription factor Kaiso, TNBC aggressiveness, and ethnicity. However, little is known about Kaiso expression and localization patterns in TNBC tissues of WAA. Herein, we analyze Kaiso expression patterns in TNBC tissues of African (Nigerian), Caribbean (Barbados), African American (AA), and Caucasian American (CA) women...
November 2017: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/28882591/the-poz-zf-transcription-factor-znf131-is-implicated-as-a-regulator-of-kaiso-mediated-biological-processes
#3
Shaiya C Robinson, Nickett S Donaldson-Kabwe, Anna Dvorkin-Gheva, Joseph Longo, Lloyd He, Juliet M Daniel
Znf131 belongs to the family of POZ-ZF transcription factors, but, in contrast to most other characterized POZ-ZF proteins that function as transcriptional repressors, Znf131 acts as a transcriptional activator. Znf131 heterodimerizes with the POZ-ZF protein Kaiso, which itself represses a subset of canonical Wnt target genes, including the cell cycle regulator Cyclin D1. Herein, we report a possible role for Znf131 in Kaiso-mediated processes. Notably, we found that Znf131 associates with several Kaiso target gene promoters, including that of CCND1...
November 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28880889/loss-of-kaiso-expression-in-breast-cancer-cells-prevents-intra-vascular-invasion-in-the-lung-and-secondary-metastasis
#4
Jacek M Kwiecien, Blessing I Bassey-Archibong, Wojciech Dabrowski, Lyndsay G Rayner, Alexandra R Lucas, Juliet M Daniel
The metastatic activity of breast carcinomas results from complex genetic changes in epithelial tumor cells and accounts for 90% of deaths in affected patients. Although the invasion of the local lymphatic vessels and veins by malignant breast tumor cells and their subsequent metastasis to the lung, has been recognized, the mechanisms behind the metastatic activity of breast tumor cells to other distal organs and the pathogenesis of metastatic cancer are not well understood. In this study, we utilized derivatives of the well-established and highly metastatic triple negative breast cancer (TNBC) cell line MDA-MB-231 (MDA-231) to study breast tumor metastasis in a mouse model...
2017: PloS One
https://www.readbyqxmd.com/read/28800784/upregulation-of-microrna-4262-targets-kaiso-zbtb33-to-inhibit-the-proliferation-and-emt-of-cervical-cancer-cells
#5
Jing Feng
More and more studies have reported that dysregulation of microRNAs (miRNAs) lead to the proliferation and EMT of multiple cancers. Recently, several reports have demonstrated that dysregulation of miR-4262 is in numerous cancers. However, its role and precise mechanism in human cervical cancer (CC) have not been well clarified. Hence, my study was aim to explore the biological roles and precise mechanisms of miR-4262 in CC cell lines. In my study, I found that the level of miR-4262 is significantly decreased in CC tissues and cell lines...
August 11, 2017: Oncology Research
https://www.readbyqxmd.com/read/28769046/kaiso-protects-human-umbilical-vein-endothelial-cells-against-apoptosis-by-differentially-regulating-the-expression-of-b-cell-cll-lymphoma-2-family-members
#6
Xiaodong Xue, Jian Zhang, Huai Lan, Yinli Xu, Huishan Wang
Endothelial cell injury can promote the development of various cardiovascular diseases, thus, fully understanding the mechanisms underlying the maintenance of vascular endothelial cell homoeostasis may help prevent and treat cardiovascular disease. Kaiso, a zinc finger and BTB domain containing transcription factor, is key to embryonic development and cancer, but how Kaiso interacts with vascular endothelium is not fully understood. We report that Kaiso has an anti-apoptotic function in human umbilical vein endothelial cells (HUVECs) and human microvascular endothelial cells (HMEC-1s)...
August 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637464/kaiso-differentially-regulates-components-of-the-notch-signaling-pathway-in-intestinal-cells
#7
Shaiya C Robinson, Kristina Klobucar, Christina C Pierre, Amna Ansari, Svetlana Zhenilo, Egor Prokhortchouk, Juliet M Daniel
BACKGROUND: In mammalian intestines, Notch signaling plays a critical role in mediating cell fate decisions; it promotes the absorptive (or enterocyte) cell fate, while concomitantly inhibiting the secretory cell fate (i.e. goblet, Paneth and enteroendocrine cells). We recently reported that intestinal-specific Kaiso overexpressing mice (Kaiso (Tg) ) exhibited chronic intestinal inflammation and had increased numbers of all three secretory cell types, hinting that Kaiso might regulate Notch signaling in the gut...
June 21, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28604828/genotype-diversity-and-molecular-evolution-of-noroviruses-a-30-year-1982-2011-comprehensive-study-with-children-from-northern-brazil
#8
Jones Anderson Monteiro Siqueira, Renato da Silva Bandeira, Darleise de Souza Oliveira, Liann Filiphe Pereira Dos Santos, Yvone Benchimol Gabbay
A chronologically comprehensive 30-year study was conducted that involved children living in Belém, in the Amazon region of Northern Brazil, who participated in eight different studies from October 1982 to April 2011. The children were followed either in the community or in health units and hospitals in order to identify the norovirus genotypes involved in infections during this time. A total of 2,520 fecal specimens were obtained and subjected to RT-PCR and nucleotide sequencing for regions A, B, C, D and P2 of the viral genome...
2017: PloS One
https://www.readbyqxmd.com/read/28333150/kaiso-depletion-attenuates-the-growth-and-survival-of-triple-negative-breast-cancer-cells
#9
Blessing I Bassey-Archibong, Lyndsay G A Rayner, Shawn M Hercules, Craig W Aarts, Anna Dvorkin-Gheva, Jonathan L Bramson, John A Hassell, Juliet M Daniel
Triple negative breast cancers (TNBC) are highly aggressive and lack specific targeted therapies. Recent studies have reported high expression of the transcription factor Kaiso in triple negative tumors, and this correlates with their increased aggressiveness. However, little is known about the clinical relevance of Kaiso in the growth and survival of TNBCs. Herein, we report that Kaiso depletion attenuates TNBC cell proliferation, and delays tumor onset in mice xenografted with the aggressive MDA-231 breast tumor cells...
March 23, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28276699/p120-catenin-in-canonical-wnt-signaling
#10
REVIEW
Mireia Duñach, Beatriz Del Valle-Pérez, Antonio García de Herreros
Canonical Wnt signaling controls β-catenin protein stabilization, its translocation to the nucleus and the activation of β-catenin/Tcf-4-dependent transcription. In this review, we revise and discuss the recent results describing actions of p120-catenin in different phases of this pathway. More specifically, we comment its involvement in four different steps: (i) the very early activation of CK1ɛ, essential for Dvl-2 binding to the Wnt receptor complex; (ii) the internalization of GSK3 and Axin into multivesicular bodies, necessary for a complete stabilization of β-catenin; (iii) the activation of Rac1 small GTPase, required for β-catenin translocation to the nucleus; and (iv) the release of the inhibitory action caused by Kaiso transcriptional repressor...
June 2017: Critical Reviews in Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/27987581/retracted-kaiso-is-expressed-in-lung-cancer-its-expression-and-localization-is-affected-by-p120ctn
#11
Shun-Dong Dai, Yan Wang, Gui-Yang Jiang, Peng-Xin Zhang, Xin-Jun Dong, Qiang Wei, Hong-Tao Xu, Qing-Chang Li, Chen Zhao, En-Hua Wang
No abstract text is available yet for this article.
December 2016: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/27765636/cigarette-smoke-mediates-nuclear-to-cytoplasmic-trafficking-of-transcriptional-inhibitor-kaiso-through-muc1-and-p120-catenin
#12
Lili Zhang, Marianne Gallup, Lorna Zlock, Yu Ting Feeling Chen, Walter E Finkbeiner, Nancy A McNamara
Lung cancer is the leading cause of cancer-related death, and 87% of these deaths are directly attributable to smoking. Using three-dimensional cultures of primary human bronchial epithelial cells, we demonstrated that loss of adherens junction protein, epithelial cadherin, and the aberrant interaction of its adherens junction binding partner, p120-catenin (p120ctn), with the cytoplasmic tail of apical mucin-1 (MUC1-CT) represent initiating steps in the epithelial-to-mesenchymal transition. Smoke provoked the rapid nuclear entry of p120ctn in complex with MUC1-CT that was inhibited using the MUC1-CT inhibitory peptides, PMIP and GO-201...
December 2016: American Journal of Pathology
https://www.readbyqxmd.com/read/27739458/senescence-mediated-by-p16-ink4a-impedes-reprogramming-of-human-corneal-endothelial-cells-into-neural-crest-progenitors
#13
Wen-Juan Lu, Scheffer C G Tseng, Shuangling Chen, Sean Tighe, Yuan Zhang, Xin Liu, Szu-Yu Chen, Chen-Wei Su, Ying-Ting Zhu
Human corneal endothelial cells (HCECs) have limited proliferative capacity due to "contact-inhibition" at G1 phase. Such contact-inhibition can be delayed from Day 21 to Day 42 by switching EGF-containing SHEM to LIF/bFGF-containing MESCM through transient activation of LIF-JAK1-STAT3 signaling that delays eventual nuclear translocation of p16(INK4a). Using the latter system, we have reported a novel tissue engineering technique by implementing 5 weekly knockdowns with p120 catenin (p120) and Kaiso siRNAs since Day 7 to achieve effective expansion of HCEC monolayers to a transplantable size with a normal HCEC density, through reprogramming of HCECs into neural crest progenitors by activating p120-Kaiso-RhoA-ROCK-canonical BMP signaling...
October 14, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27694442/cell-specific-kaiso-zbtb33-regulation-of-cell-cycle-through-cyclin-d1-and-cyclin-e1
#14
Amir Pozner, Tommy W Terooatea, Bethany A Buck-Koehntop
The correlation between aberrant DNA methylation with cancer promotion and progression has prompted an interest in discerning the associated regulatory mechanisms. Kaiso (ZBTB33) is a specialized transcription factor that selectively recognizes methylated CpG-containing sites as well as a sequence-specific DNA target. Increasing reports link ZBTB33 overexpression and transcriptional activities with metastatic potential and poor prognosis in cancer, although there is little mechanistic insight into how cells harness ZBTB33 transcriptional capabilities to promote and progress disease...
November 18, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27574848/rhoh-participates-in-a-multi-protein-complex-with-the-zinc-finger-protein-kaiso-that-regulates-both-cytoskeletal-structures-and-chemokine-induced-t-cells
#15
Akihisa Mino, Anja Troeger, Christian Brendel, Alan Cantor, Chad Harris, Marioara F Ciuculescu, David A Williams
RhoH is a haematopoietic -specific, GTPase-deficient Rho GTPase that plays an essential role in T lymphocyte development and haematopoietic cell migration. RhoH is known to interact with ZAP70 in T cell receptor (TCR) signaling and antagonize Rac GTPase activity. To further elucidate the molecular mechanisms of RhoH in T cell function, we carried out in vivo biotinylation and mass spectrometry analysis to identify new RhoH-interacting proteins in Jurkat T cells. We indentified Kaiso by streptavidin capture and confirmed the interaction with RhoH by co-immunoprecipitation...
August 30, 2016: Small GTPases
https://www.readbyqxmd.com/read/27476607/characterization-of-novel-intragenotype-recombination-events-among-norovirus-pandemic-gii-4-variants
#16
Jones Anderson Monteiro Siqueira, Renato da Silva Bandeira, Maria Cleonice Aguiar Justino, Alexandre da Costa Linhares, Yvone Benchimol Gabbay
Recently, there has been an increase in the number of children hospitalized due to norovirus infection in Brazil. This is due both to the occurrence of more severe norovirus-related gastroenteritis cases after the introduction of the rotavirus vaccine and an increase in the tools for the detection of the disease. This pathogen is transmitted by the fecal-oral route, and the illness is characterized by diarrhea, vomiting, nausea and abdominal cramps. The genome of the virus is organized into three open reading frames showing strong mutation rates...
October 2016: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/27424525/african-americans-with-pancreatic-ductal-adenocarcinoma-exhibit-gender-differences-in-kaiso-expression
#17
MULTICENTER STUDY
Jacqueline Jones, Angana Mukherjee, Balasubramanyam Karanam, Melissa Davis, Jesse Jaynes, R Renee Reams, Windy Dean-Colomb, Clayton Yates
Kaiso, a bi-modal transcription factor, regulates gene expression, and is elevated in breast, prostate, and colon cancers. Depletion of Kaiso in other cancer types leads to a reduction in markers for the epithelial-mesenchymal transition (EMT) (Jones et al., 2014), however its clinical implications in pancreatic ductal adenocarcinoma (PDCA) have not been widely explored. PDCA is rarely detected at an early stage but is characterized by rapid progression and invasiveness. We now report the significance of the subcellular localization of Kaiso in PDCAs from African Americans...
October 1, 2016: Cancer Letters
https://www.readbyqxmd.com/read/27152123/kaiso-mediates-human-icr1-methylation-maintenance-and-h19-transcriptional-fine-regulation
#18
Florian Bohne, David Langer, Ursula Martiné, Claudia S Eider, Regina Cencic, Matthias Begemann, Miriam Elbracht, Luzie Bülow, Thomas Eggermann, Ulrich Zechner, Jerry Pelletier, Bernhard Ulrich Zabel, Thorsten Enklaar, Dirk Prawitt
BACKGROUND: Genomic imprinting evolved in a common ancestor to marsupials and eutherian mammals and ensured the transcription of developmentally important genes from defined parental alleles. The regulation of imprinted genes is often mediated by differentially methylated imprinting control regions (ICRs) that are bound by different proteins in an allele-specific manner, thus forming unique chromatin loops regulating enhancer-promoter interactions. Factors that maintain the allele-specific methylation therefore are essential for the proper transcriptional regulation of imprinted genes...
2016: Clinical Epigenetics
https://www.readbyqxmd.com/read/26999717/kaiso-depletion-attenuates-transforming-growth-factor-%C3%AE-signaling-and-metastatic-activity-of-triple-negative-breast-cancer-cells
#19
B I Bassey-Archibong, J M Kwiecien, S B Milosavljevic, R M Hallett, L G A Rayner, M J Erb, C J Crawford-Brown, K B Stephenson, P-A Bédard, J A Hassell, J M Daniel
Triple-negative breast cancers (TNBCs) represent a subset of breast tumors that are highly aggressive and metastatic, and are responsible for a disproportionate number of breast cancer-related deaths. Several studies have postulated a role for the epithelial-to-mesenchymal transition (EMT) program in the increased aggressiveness and metastatic propensity of TNBCs. Although EMT is essential for early vertebrate development and wound healing, it is frequently co-opted by cancer cells during tumorigenesis. One prominent signaling pathway involved in EMT is the transforming growth factor-β (TGFβ) pathway...
2016: Oncogenesis
https://www.readbyqxmd.com/read/26955760/dual-regulatory-switch-through-interactions-of-tcf7l2-tcf4-with-stage-specific-partners-propels-oligodendroglial-maturation
#20
Chuntao Zhao, Yaqi Deng, Lei Liu, Kun Yu, Liguo Zhang, Haibo Wang, Xuelian He, Jincheng Wang, Changqing Lu, Laiman N Wu, Qinjie Weng, Meng Mao, Jianrong Li, Johan H van Es, Mei Xin, Lee Parry, Steven A Goldman, Hans Clevers, Q Richard Lu
Constitutive activation of Wnt/β-catenin inhibits oligodendrocyte myelination. Tcf7l2/Tcf4, a β-catenin transcriptional partner, is required for oligodendrocyte differentiation. How Tcf7l2 modifies β-catenin signalling and controls myelination remains elusive. Here we define a stage-specific Tcf7l2-regulated transcriptional circuitry in initiating and sustaining oligodendrocyte differentiation. Multistage genome occupancy analyses reveal that Tcf7l2 serially cooperates with distinct co-regulators to control oligodendrocyte lineage progression...
March 9, 2016: Nature Communications
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