Browsing by Author "c8df88ee-b84c-4aae-9706-46dad035130a"
Now showing items 1-4 of 4
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Cruz, Pamela; Epuñán, María José; Ramírez, María Eugenia; Torres, Cristian G.; Valladares Boasi, Luis; Sierralta, Walter D. (2012)The principal aim of this study was to analyze in estrogen receptor-positive MCF7 cells the response of three estrogen-dependent proteins to 27-hydroxycholesterol (27OHC), a major circulating cholesterol metabolite. ...
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Torres, Cristian G.; Ramírez, María Eugenia; Cruz, Pamela; Epuñán, María José; Valladares Boasi, Luis; Sierralta, Walter D. (2011)A decrease in the expression of E-cadherin and β-catenin, paralleling the loss of adherens junction complex, was observed in MCF7 cells exposed for longer than 48 h to 2 μM27-hydroxycholesterol (27OHC), indicating an ...
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Sierralta, Walter D.; Epuñán, María José; Reyes, José M.; Valladares Boasi, Luis; Andersen, Thomas T.; Bennett, James A.; Jacobson, Herbert I.; Pino, Ana M. (2008)This study was aimed to obtain additional information on the activity of a cyclized 9-amino acid peptide (cP) containing the active site of alpha fetoprotein, which inhibits the estrogen-stimulated proliferation of tumor ...
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Orihuela, Pedro A.; Zuñiga, Lidia M.; Rios, Mariana; Parada-Bustamante, Alexis; Sierralta, Walter D.; Velásquez, Luis A.; Croxatto, Horacio B. (2009)Background: Mating changes the mode of action of 17beta-estradiol (E2) to accelerate oviductal egg transport from a nongenomic to a genomic mode, although in both pathways estrogen receptors (ER) are required. This change ...