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Browsing by Subject "cell differentiation"

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    • Article  

      Commitment to erythroid differentiation in mouse erythroleukemia cells is controlled by alterations in topoisomerase IIα phosphorylation 

      Constantinou, Andreas I.; Vaughan, A. T. M.; Yamasaki, H.; Kamath, N. (1996)
      To explore the program of cell differentiation in Friend murine erythroleukemia (MEL) cells, we used three clonal variants: phorbol 12- myristate 13-acetate (PMA)-hypersensitive TS-19-101, PMA-resistant TR19-9, and ...

    • Article  

      Composition and histone substrates of polycomb repressive group complexes change during cellular differentiation 

      Kuzmichev, A.; Margueron, R.; Vaquero, A.; Preissner, T. S.; Scher, M.; Kirmizis, Antonis; Ouyang, X.; Brockdorff, N.; Abate-Shen, C.; Farnham, P.; Reinberg, D. (2005)
      Changes in the substrate specificities of factors that irreversibly modify the histone components of chromatin are expected to have a profound effect on gene expression through epigenetics. Ezh2 is a histone-lysine ...

    • Article  

      CXCR4 mediates entry and productive infection of syncytia-inducing (x4) hiv-1 strains in primary macrophages 

      Valentin, A.; Trivedi, H.; Lu, W.; Kostrikis, Leontios G.; Pavlakis, G. N. (2000)
      CCR5 and CXCR4 are the main coreceptors for non-syncytia-inducing (NSI) and syncytia-inducing (SI) HIV-1 strains, respectively. NSI HIV-1 isolates do not infect either human lymphoid or monocytoid cell lines, and this ...

    • Article  

      Developmental biology: Our fly cousins' gut 

      Pitsouli, Chrysoula; Perrimon, N. (2008)
      What do we humans have in common with flies? Quite a lot, at least at the cellular and molecular levels. Our intestine, for instance, is similar to that of the fly, not only in function but also in its development and ...

    • Article  

      Differential expression of the rat retinoid X receptor γ gene during skeletal muscle differentiation suggests a role in myogenesis 

      Georgiades, Pantelis; Brickell, P. M. (1997)
      Even though previous studies have shown that transcripts encoding the murine retinoid X receptor γ (RXRγ) are present in skeletal muscle of mouse embryos and that cultured myoblasts are induced to differentiate upon retinoid ...

    • Article  

      Direct conversion of mouse embryonic fibroblasts into functional keratinocytes through transient expression of pluripotency-related genes 

      Iacovides, D.; Rizki, G.; Lapathitis, Georgios; Strati, K. (2016)
      The insufficient ability of specialized cells such as neurons, cardiac myocytes, and epidermal cells to regenerate after tissue damage poses a great challenge to treat devastating injuries and ailments. Recent studies ...

    • Article  

      Drosophila melanogaster as a model for human intestinal infection and pathology 

      Apidianakis, Yiorgos; Rahme, L. G. (2011)
      Recent findings concerning Drosophila melanogaster intestinal pathology suggest that this model is well suited for the study of intestinal stem cell physiology during aging, stress and infection. Despite the physiological ...

    • Article  

      The effect of topoisomerase inhibitors on the expression of differentiation markers and cell cycle progression in human K-562 leukemia cells 

      Constantinou, Andreas I.; Grdina, D.; Kiguchi, K.; Huberman, E. (1992)
      Treatment of human K-562-J leukemia cells for 1 h with the topoisomerase II-reactive drugs VP-16, VM-26, or mAMSA resulted in a dose-dependent inhibition of proliferation and in an increase in the percentage of cells ...

    • Article  

      Embryonic multipotent progenitors remodel the Drosophila airways during metamorphosis 

      Pitsouli, Chrysoula; Perrimon, N. (2010)
      Adult structures in holometabolous insects such as Drosophila are generated by groups of imaginal cells dedicated to the formation of different organs. Imaginal cells are specified in the embryo and remain quiescent until ...

    • Article  

      Evidence for activation of the unfolded protein response in collagen iv nephropathies 

      Pieri, Myrtani; Stefanou, Charalambos; Zaravinos, Apostolos; Erguler, K.; Stylianou, Konstantinos G.; Lapathitis, Georgios; Karaiskos, Christos; Savva, Isavella; Paraskeva, Revekka; Dweep, H.; Sticht, C.; Anastasiadou, Natassa; Zouvani, Ioanna; Goumenos, Dimitrios S.; Felekkis, Kyriacos N.; Saleem, M.; Voskarides, Konstantinos; Gretz, N.; Constantinou-Deltas, Constantinos D. (2014)
      Thin-basement-membrane nephropathy (TBMN) and Alport syndrome (AS) are progressive collagen IV nephropathies caused by mutations in COL4A3/A4/A5 genes. These nephropathies invariably present with microscopic hematuria and ...

    • Article  

      Genistein as an Inducer of Tumor Cell Differentiation: Possible Mechanisms of Action 

      Constantinou, Andreas I.; Huberman, E. (1995)
      Decreased activity of either topoisomerases or tyrosine kinases has been implicated in the differentiation of a number of cell types. It is therefore conceivable that genistein, because of its reported ability to inhibit ...

    • Article  

      Genistein induces maturation of cultured human breast cancer cells and prevents tumor growth in nude mice 

      Constantinou, Andreas I.; Krygier, A. E.; Mehta, R. R. (1998)
      Results of recent studies in animal models of mammary carcinogenesis showed that the soybean isoflavone genistein is a chemopreventive agent. The objective of the present study was to determine whether soybean isoflavones ...

    • Article  

      Genistein-induced cell differentiation and protein-linked DNA strand breakage in human melanoma cells 

      Kiguchi, K.; Constantinou, Andreas I.; Huberman, E. (1990)

    • Article  

      The homeobox transcription factor cut coordinates patterning and growth during drosophila airway remodeling 

      Pitsouli, Chrysoula; Perrimon, N. (2013)
      A fundamental question in developmental biology is how tissue growth and patterning are coordinately regulated to generate complex organs with characteristic shapes and sizes. We showed that in the developing primordium ...

    • Article  

      Homeostasis in Infected Epithelia: Stem Cells Take the Lead 

      Pitsouli, Chrysoula; Apidianakis, Yiorgos; Perrimon, N. (2009)
      To maintain tissue homeostasis and avoid disease, epithelial cells damaged by pathogens need to be readily replenished, and this is mainly achieved by the activation of stem cells. In this Short Review, we discuss recent ...

    • Article  

      Induction of Differentiation and DNA Strand Breakage in Human HL-60 and K-562 Leukemia Cells by Genistein 

      Constantinou, Andreas I.; Kiguchi, K.; Huberman, E. (1990)
      Genistein, an in vitro inhibitor of topoisomerase II and tyrosine kinases, suppressed growth and induced differentiation in HL-205 cells, a clonal population of the human promyelocytic HL-60 leukemia cells, and in K-562-J ...

    • Article  

      Induction of human adenocarcinoma cell differentiation by the phytoestrogen genistein is independent of its antiestrogenic function 

      Krygier, A. E.; Murley, J. S.; Mehta, R. R.; Constantinou, Andreas I. (1997)
      The objective of the present study was to determine if genistein can induce human breast adenocarcinoma cell maturation. To gain understanding on its mechanism of action, we used estrogen receptor-positive (ER+) MCF-7, and ...

    • Article  

      The Ink4/Arf locus is a barrier for iPS cell reprogramming 

      Li, H.; Collado, M.; Villasante, A.; Strati, K.; Ortega, S.; Cãamero, M.; Blasco, M. A.; Serrano, M. (2009)
      The mechanisms involved in the reprogramming of differentiated cells into induced pluripotent stem (iPS) cells by the three transcription factors Oct4 (also known as Pou5f1), Klf4 and Sox2 remain poorly understood. The ...

    • Article  

      Insulin-mimetic action of vanadium compounds on osteoblast-like cells in culture 

      Etcheverry, S. B.; Crans, D. C.; Keramidas, Anastasios D.; Cortizo, A. M. (1997)
      Vanadium compounds mimic insulin actions in different cell types. The present study concerns the insulin-like effects of three vanadium(V) derivatives and one vanadium(IV) complex on osteoblast-like (UMR106 and MC3T3E1) ...

    • Article  

      KIF2β, a new kinesin superfamily protein in non-neuronal cells, is associated with lysosomes and may be implicated in their centrifugal translocation 

      Santama, Niovi; Krijnse-Ĺocker, J.; Griffiths, G.; Noda, Y.; Hirokawa, N.; Dotti, C. G. (1998)
      Lysosomes concentrate juxtanuclearly in the region around the microtubule-organizing center by interaction with microtubules. Different experimental and physiological conditions can induce these organelles to move to the ...

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