Pirfenidone induces translocation of sirt1 to nucleus and deacetylation of histone 3 slows down the development of fibrosis and tumorigenicity in a experimental model of hepatocarcinoma.
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"apellidos" => "Monroy-Ramírez" ] 4 => array:2 [ "nombre" => "Juan" "apellidos" => "Armendáriz-Borunda" ] ] ] ] ] "idiomaDefecto" => "en" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1665268124001947?idApp=UINPBA00004N" "url" => "/16652681/00000029000000S2/v2_202404250742/S1665268124001947/v2_202404250742/en/main.assets" ] "en" => array:9 [ "idiomaDefecto" => true "titulo" => "Pirfenidone induces translocation of sirt1 to nucleus and deacetylation of histone 3 slows down the development of fibrosis and tumorigenicity in a experimental model of hepatocarcinoma." "tieneTextoCompleto" => true "autores" => array:1 [ 0 => array:3 [ "autoresLista" => "Hugo C. Monroy-Ramírez, Scarlet Arceo-Orozco, Araceli G. Rivera-Cabral, Marina Galicia-Moreno, Juan Armendáriz-Borunda" "autores" => array:5 [ 0 => array:3 [ "nombre" => "Hugo C." "apellidos" => "Monroy-Ramírez" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">1</span>" "identificador" => "aff0001" ] ] ] 1 => array:3 [ "nombre" => "Scarlet" "apellidos" => "Arceo-Orozco" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">1</span>" "identificador" => "aff0001" ] ] ] 2 => array:3 [ "nombre" => "Araceli G." "apellidos" => "Rivera-Cabral" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">1</span>" "identificador" => "aff0001" ] ] ] 3 => array:3 [ "nombre" => "Marina" "apellidos" => "Galicia-Moreno" "referencia" => array:1 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">1</span>" "identificador" => "aff0001" ] ] ] 4 => array:3 [ "nombre" => "Juan" "apellidos" => "Armendáriz-Borunda" "referencia" => array:2 [ 0 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">1</span>" "identificador" => "aff0001" ] 1 => array:2 [ "etiqueta" => "<span class="elsevierStyleSup">2</span>" "identificador" => "aff0002" ] ] ] ] "afiliaciones" => array:2 [ 0 => array:3 [ "entidad" => "Instituto de Biología Molecular en Medicina y Terapia Génica, Centro Universitario de Ciencias de la Salud (CUCS), Universidad de Guadalajara, Guadalajara, México" "etiqueta" => "1" "identificador" => "aff0001" ] 1 => array:3 [ "entidad" => "Escuela de Medicina y Ciencias de la Salud, Tecnológico de Monterrey campus Guadalajara, Zapopan, México" "etiqueta" => "2" "identificador" => "aff0002" ] ] ] ] "textoCompleto" => "<span class="elsevierStyleSections"><p id="para0006" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Ethical statement</span></p><p id="para0007" class="elsevierStylePara elsevierViewall">All the experiments were carried out in accordance with the guidelines approved by the Ethics, Research and Biosafety committees of the CUCS with approval number CI-03020.</p><p id="para0008" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Declaration of interests</span></p><p id="para0009" class="elsevierStylePara elsevierViewall">None</p><p id="para0010" class="elsevierStylePara elsevierViewall"><span class="elsevierStyleBold">Funding</span></p><p id="para0011" class="elsevierStylePara elsevierViewall">Programa de Fortalecimiento de Institutos, Centros y Laboratorios de Investigación 2022, otorgado al Instituto de Biología Molecular en Medicina y Terapia Génica Programa para el Desarrollo Profesional Docente, para el Tipo Superior (PRODEP), Apoyo a Nuevos Profesores de Tiempo Completo, 511-6/2020-8586 PTC-1534. Fondo para Proyectos de Impulso a la Investigación (PIN 2020- I).</p></span>" "pdfFichero" => "main.pdf" "tienePdf" => true "tieneResumen" => true "resumen" => array:1 [ "en" => array:2 [ "resumen" => "<span id="abss0001" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0001">Introduction and objectives</span><p id="spara001" class="elsevierStyleSimplePara elsevierViewall">Hepatocellular carcinoma (HCC) is the most common liver neoplasm worldwide. Pro-inflammatory and pro-fibrogenic processes are key in tumor development. On the other hand, Pirfenidone (PFD) has anti-inflammatory and antifibrogenic properties useful to counteract hepatocarcinogenesis; however, the effects of this drug on SIRT1, and histone H3 regulation in this disease are unknown.</p><p id="spara002" class="elsevierStyleSimplePara elsevierViewall">The objective this work is evaluate PFD effects on SIRT1 translocation, and histone H3 lysines 9 and 14 (H3K9 and H3K14) deacetylation in an experimental model of HCC.</p></span> <span id="abss0002" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0002">Materials and Patients</span><p id="spara003" class="elsevierStyleSimplePara elsevierViewall">Fischer-344 rats were divided into three groups: CTL: control group, HCC: group damaged with diethylnitrosamine (DEN), 50 mg/kg and 2-aminofluorene (2AAF), 25 mg/kg/p.o. HCC/PFD group: damage group and with PFD (300 mg/kg/day) for 16 weeks. Histological and molecular analyzes were performed evaluating patterns of protein acetylation, fibrosis, and malignancy.</p></span> <span id="abss0003" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0003">Results</span><p id="spara004" class="elsevierStyleSimplePara elsevierViewall">Normal liver architecture is disturbed by dysplastic nodules formation surrounded by extracellular matrix and fibrosis, also an increase in cells with anaplasia and steatotic foci was observed in liver tissues of HCC group. PFD administration was effective to prevent these changes. Immunohistochemistry reveals an overexpression of GPC3 and α-SMA in damage group, which is correlated with malignant degeneration, these responses was prevented by PFD too. Finally, western blots evidence a SIRT1 overexpression in nuclear fraction of PFD group, triggering H3K9 and H3K14 deacetylation, in addition, a decrease in p300 acetylase expression in nuclear fractions. Notably, c-Myc was reduced and p53 increased significantly.</p></span> <span id="abss0004" class="elsevierStyleSection elsevierViewall"><span class="elsevierStyleSectionTitle" id="cesectitle0004">Conclusions</span><p id="spara005" class="elsevierStyleSimplePara elsevierViewall">PFD treatment reduces fibrotic and malignant patterns development. Likewise, PFD induces SIRT1 expression and nuclear translocation, and H3K9 and H3K14 deacetylation, decompacting chromatin and possibly increasing tumor suppressor genes expression for example c-MYC. These results demonstrate for the first time the capability of PFD to regulate epigenetic hallmarks on histones.</p></span>" "secciones" => array:4 [ 0 => array:2 [ "identificador" => "abss0001" "titulo" => "Introduction and objectives" ] 1 => array:2 [ "identificador" => "abss0002" "titulo" => "Materials and Patients" ] 2 => array:2 [ "identificador" => "abss0003" "titulo" => "Results" ] 3 => array:2 [ "identificador" => "abss0004" "titulo" => "Conclusions" ] ] ] ] ] "idiomaDefecto" => "en" "url" => "/16652681/00000029000000S2/v2_202404250742/S1665268124001959/v2_202404250742/en/main.assets" "Apartado" => null "PDF" => "https://static.elsevier.es/multimedia/16652681/00000029000000S2/v2_202404250742/S1665268124001959/v2_202404250742/en/main.pdf?idApp=UINPBA00004N&text.app=https://www.elsevier.es/" "EPUB" => "https://multimedia.elsevier.es/PublicationsMultimediaV1/item/epub/S1665268124001959?idApp=UINPBA00004N" ]
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