<?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>0121-4004</journal-id>
<journal-title><![CDATA[Vitae]]></journal-title>
<abbrev-journal-title><![CDATA[Vitae]]></abbrev-journal-title>
<issn>0121-4004</issn>
<publisher>
<publisher-name><![CDATA[Facultad de Química Farmacéutica, Universidad de Antioquia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-40042016000200109</article-id>
<article-id pub-id-type="doi">10.17533/udea.vitae.v23n2a03</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[IN VITRO ANTI-HIV-1 ACTIVITY OF THE ENZYMATIC EXTRACT ENRICHED WITH LACCASE PRODUCED BY THE FUNGI GANODERMA SP. AND LENTINUS SP.]]></article-title>
<article-title xml:lang="es"><![CDATA[ACTIVIDAD ANTI-VIH-1 IN VITRO DEL EXTRACTO ENZIMÁTICO ENRIQUECIDO CON LACASA PRODUCIDO POR LOS HONGOS GANODERMA SP. Y LENTINUS SP.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[FLÓREZ-SAMPEDRO]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[ZAPATA]]></surname>
<given-names><![CDATA[Wildeman]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[OROZCO]]></surname>
<given-names><![CDATA[Lina P]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[MEJÍA]]></surname>
<given-names><![CDATA[Amanda I]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[ARBOLEDA]]></surname>
<given-names><![CDATA[Carolina]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[RUGELES]]></surname>
<given-names><![CDATA[María T]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Antioquia Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Cooperativa de Colombia Facultad de Medicina ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Antioquia  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>05</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>05</month>
<year>2016</year>
</pub-date>
<volume>23</volume>
<numero>2</numero>
<fpage>109</fpage>
<lpage>118</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-40042016000200109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-40042016000200109&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-40042016000200109&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Background:  Natural compounds are a good source for the development of antiretroviral drugs with low cytotoxicity. The laccase enzyme, produced by fungi of the genera Ganoderma sp. and Lentinus sp., inhibits the reverse transcriptase (RT) of the human immunodeficiency virus 1 (HIV-1), in cell-free models in vitro.  Objetives:  In this study we evaluated the anti-HIV-1 activity of the enzymatic extracts (EE) enriched with laccase, produced by two native species of fungi of the same genera in an in vitro cell culture model. Methods: The inhibition of viral replication was performed using the U373-MAGI cell line infected with recombinant viruses in the presence/absence of the EE and 48 hpi, the percentage of infected cells was evaluated by flow cytometry for green fluorescent protein -GFP- and ELISA for p24. The inhibition of the RT was determined by quantification of early and late products of reverse transcription using quantitative PCR.  Results:  The EEs from Ganoderma sp. and Lentinus sp. inhibited the replication of HIV-1 between 80 and 90% and decreased the production of early and late transcripts between 55,5%-91,3% and 82,1%-93,6% respectively. The EE from Lentinus sp. had the best selectivity index (SI: 8.3). Conclusions: These results suggest the potential anti-HIV-1 activity of the EE for the exploration of an alternative therapy against HIV-1 infection.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Antecedentes:  Los compuestos naturales son una buena fuente para el desarrollo de fármacos antirretrovirales con baja citotoxicidad. La enzima lacasa, producida por hongos del género Ganoderma sp. y Lentinus sp., inhibe la transcriptasa reversa (TR) del virus de la inmunodeficiencia humana tipo 1 (VIH-1), en modelos in vitro, libres de células.  Objetivos:  En este estudio se evaluó la actividad anti-VIH-1 del extracto enzimático (EE) enriquecido con lacasa, producida por dos especies nativas de hongos de los mismos géneros en un modelo in vitro de cultivo celular.  Métodos:  La inhibición de la replicación viral se realizó usando la línea celular U373-MAGI infectada con virus recombinantes en la presencia/ausencia del EE y 48 hpi, el porcentaje de células infectadas se evaluó mediante citometría de flujo para GFP y ELISA para p24. La inhibición de la TR se determinó mediante la cuantificación de los productos tempranos y tardíos de la transcripción reversa utilizando una PCR cuantitativa.  Resultados:  El EE de Ganoderma sp. y Lentinus sp. inhibió la replicación del VIH-1 entre el 80 y 90% y disminuyó la producción de transcriptos tempranos y tardíos entre el 55,5% -91,3% y 82,1% -93,6%, respectivamente. El EE de Lentinus sp. mostró el mejor índice de selectividad (IS: 8.3).  Conclusiones:  Estos resultados sugieren el potencial anti-VIH-1 del EE para la exploración de una terapia alternativa contra la infección por el VIH-1.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Human immunodeficiency virus type 1 (HIV-1)]]></kwd>
<kwd lng="en"><![CDATA[Ganoderma]]></kwd>
<kwd lng="en"><![CDATA[Lentinus]]></kwd>
<kwd lng="en"><![CDATA[laccase]]></kwd>
<kwd lng="en"><![CDATA[antiviral activity]]></kwd>
<kwd lng="en"><![CDATA[natural products]]></kwd>
<kwd lng="es"><![CDATA[Virus de la Inmunodeficiencia Humana tipo 1 (VIH-1)]]></kwd>
<kwd lng="es"><![CDATA[Ganoderma]]></kwd>
<kwd lng="es"><![CDATA[Lentinus]]></kwd>
<kwd lng="es"><![CDATA[lacasa]]></kwd>
<kwd lng="es"><![CDATA[actividad antiviral]]></kwd>
<kwd lng="es"><![CDATA[productos naturales]]></kwd>
</kwd-group>
</article-meta>
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