<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1794-2470</journal-id>
<journal-title><![CDATA[Nova]]></journal-title>
<abbrev-journal-title><![CDATA[Nova]]></abbrev-journal-title>
<issn>1794-2470</issn>
<publisher>
<publisher-name><![CDATA[Universidad Colegio Mayor de Cundinamarca]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1794-24702020000200047</article-id>
<article-id pub-id-type="doi">10.22490/24629448.3957</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Supervivencia de células fibroblásticas humanas en ausencia de suplementación]]></article-title>
<article-title xml:lang="en"><![CDATA[Survival of Human Fibroblastic Cells in the Absence of Supplementation]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Simancas-Escorcia]]></surname>
<given-names><![CDATA[Víctor]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Caballero]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernandez]]></surname>
<given-names><![CDATA[Clara Vergara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Cartagena Facultad de Odontología Grupo Interdisciplinary de Investigaciones y Tratamientos Odontológicos]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Cartagena Facultad de Odontología Grupo Interdisciplinario de Investigaciones y Tratamientos Odontológicos]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Cartagena Facultad de Odontología Grupo Interdisciplinario de Investigaciones y Tratamientos Odontológicos]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2020</year>
</pub-date>
<volume>18</volume>
<numero>34</numero>
<fpage>47</fpage>
<lpage>56</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1794-24702020000200047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1794-24702020000200047&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1794-24702020000200047&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción. Los fibroblastos gingivales (FGs) son células del tejido conjuntivo gingival que han tomado en los últimos años una relevancia promisoria por su probable utilización en la terapia celular, dadas sus capacidades de multipotencialidad y de autorrenovación.  Objetivo. Conocer y describir el impacto de la ausencia en la suplementación de Suero Fetal Bovino (SFB) en la supervivencia de fibroblastos gingivales en cultivos.  Materiales y métodos. Fibroblastos gingivales fueron aislados de tejido gingival de pacientes sanos y cultivados en medios de cultivos DMEM (Dulbecco's Modified of Eagle Medium) en ausencia y suplementados con 0.2% de SFB a 37°C en una atmósfera húmeda con 5% de CO2. Se llevó a cabo una evaluación morfológica, de supervivencia y proliferación de los FGs, así como la identificación mediante la técnica de inmunofluorescencia de marcadores del citoesqueleto celular como la actina y mitocondrias.  Resultados. Los FGs cultivados en ausencia y con suplementación de 0.2% de SFB evidenciaron una forma fusiforme, con núcleos ovalados y numerosas prolongaciones citoplasmáticas durante el tiempo de cultivo. Un leve aumento en la proliferación de FGs fue observado en aquellas células en contacto con el medio DMEM+0.2% de SFB comparadas con el medio donde estuvo ausente la suplementación. El inmunomarcaje de la actina y las mitocondrias dejó en evidencia que la ausencia y suplementación a 0.2% de SFB no afectó su localización en los FGs evaluados.  Conclusión. Los fibroblastos gingivales sobreviven y proliferan en ausencia de SFB, conservando sus características morfológicas celulares.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction. Gingival fibroblasts (GF) are cells of gingival connective tissue that have taken promising relevance in recent years due to their probable use in cell therapy, given their multipotencial and self-renewal capabilities.  Objective. To know and to describe the impact of the absence of Fetal Bovine Serum (FBS supplementation on the survival of gingival fibroblasts in cultures.  Materials and methods. Gingival fibroblasts were isolated from gingival tissue of healthy patients and cultured in DMEM (Dulbecco's Modified of Eagle Medium) culture media in absence and supplemented with 0.2% FBS at 37 ° C in a humid atmosphere with 5% CO2. A morphological evaluation, survival and proliferation of GF were carried out, as well as the identification by the immunofluorescence technique of cellular cytoskeleton markers such as actin and mitochondria.  Results. The GF grown in the absence and with supplementation of 0.2% FBS showed a fusiform shape, with oval nuclei and numerous cytoplasmic extensions during the culture time. A slight increase in the proliferation of GF was observed in those cells in contact with the DMEM medium +0.2% FBS compared to the medium where the supplementation was absent. Immunostaining of actin and mitochondria showed that the absence and supplementation to 0.2% of FBS did not affect its location in the evaluated.  Conclusion. Gingival fibroblasts survive and proliferate in the absence of FBS, preserving their cellular morphological characteristics.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[(Decs Bireme): Fibroblastos]]></kwd>
<kwd lng="es"><![CDATA[Encía]]></kwd>
<kwd lng="es"><![CDATA[medio de cultivo libre de suero]]></kwd>
<kwd lng="es"><![CDATA[Proliferación celular]]></kwd>
<kwd lng="es"><![CDATA[Citoesqueleto de actina]]></kwd>
<kwd lng="es"><![CDATA[Mitocondrias]]></kwd>
<kwd lng="en"><![CDATA[(Mesh Database): Fibroblasts]]></kwd>
<kwd lng="en"><![CDATA[Gingiva]]></kwd>
<kwd lng="en"><![CDATA[Culture Media Serum-Free]]></kwd>
<kwd lng="en"><![CDATA[Cell Proliferation]]></kwd>
<kwd lng="en"><![CDATA[Actin Cytoskeleton]]></kwd>
<kwd lng="en"><![CDATA[Mitochondria]]></kwd>
</kwd-group>
</article-meta>
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