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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

ROJAS, Víctor  y  LAIME, Delia. Rosiglitazone Role in the Expression of KLF6 Caco-2 Colon Cancer Cells. Int. J. Morphol. [online]. 2017, vol.35, n.1, pp.259-264. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022017000100042.

Kruppel-like factor 6 (KLF6) is a member of the family of Kruppel transcription factors, this plays an important role in the regulation of cell growth, differentiation and angiogenesis. Rosiglitazone is a PPARy agonist drug, its antitumor effect has been described in models of breast and colon cancer. The aim of this study is to evaluate the level of expression of KLF6 in Caco2 cells treated with Avandia. For this a Immunofluorescence was performed, the Caco2 cells were cultured and treated with Rosiglitazone, another group was treated with Rosiglitazone and GW-9662, inhibitor for Immunofluorescence an anti-KLF6 antibody and a secondary antibody coupled to Alexa-488 was used . Cells were observed in a fluorescence microscope and images were processed. The results show that KLF6 is expressed in the cytoplasm of cells Caco2. Compared to treatment with Avandia, KLF6 increases its expression in the cytoplasm. When cells were treated with GW-9662 inhibitor, an expression of KLF6 in the nucleus was observed. KLF6 expression in the cytoplasm of cells Caco2, could be explained by the knowledge of splicing variants SV1 and SV2, these abnormally accumulate in the cytoplasm and promotes cell growth. It is concluded that in untreated Caco 2 cells, KLF6 is expressed in the cytoplasm. Compared to treatment with Rosiglitazone, KLF6 upregulated in the cytoplasm and compared to treatment with the inhibitor, KLF6 is expressed in the nucleus of Caco 2 cells.

Palabras clave : KLF6; Rosiglitazone; Colon and KLF6; KLF6; Rosiglitazone; Colon; KLF6.

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