<?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>2221-2450</journal-id>
<journal-title><![CDATA[Revista CENIC Ciencias Biológicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. CENIC Cienc. Biol]]></abbrev-journal-title>
<issn>2221-2450</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Investigaciones Científicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2221-24502020000100035</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Interplay among oxidative stress, genetic and epigenetic events in human biological processes: A possible bases of medical ozone mechanism of action]]></article-title>
<article-title xml:lang="es"><![CDATA[Interacción entre el estrés oxidativo, los eventos genéticos y epigenéticos en los procesos biológicos humanos: posibles bases del mecanismo de acción del ozono médico]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gil del Valle]]></surname>
<given-names><![CDATA[Lizette]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rabiero Martínez]]></surname>
<given-names><![CDATA[Carlos Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Weiser]]></surname>
<given-names><![CDATA[Mark]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto &#8220;Pedro Kourí&#8221; (IPK) Departamento Investigaciones Farmacológicas ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Ozonetherapies Group  ]]></institution>
<addr-line><![CDATA[ California]]></addr-line>
<country>USA</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2020</year>
</pub-date>
<volume>51</volume>
<numero>1</numero>
<fpage>35</fpage>
<lpage>47</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2221-24502020000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2221-24502020000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2221-24502020000100035&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Reactive oxygen species (ROS) can act as damaging molecules, but also represent central hubs in cellular signalling networks. Increasing evidence indicates that ROS increase perform an important role in the pathogenesis of diverse diseases degenerative and pathogen mediated although the underlying mechanisms and consequences of pathophysiology elevated ROS in most of them are still not completely resolved. The search was carried in the LILACS, PAHO, SciELO, EMBASE, PubMed and Infomed databases, by Google search engines and Google Scholar where the key words were placed and permit identification of original articles, theses, other articles of bibliographic review and high citation index journals published from 1950 to 2019, in Spanish or English. Two hundred thirty documents were identified, of which 58 were selected. The most important oxidants and reactive oxygen species produced by various physiological pathways, chemical and biological factors, including genetic and pathological conditions have been revised. More recently, alterations of the epigenetic landscape, which can affect DNA methylation, post-translational histone modifications, ATP-dependent alterations to chromatin and non-coding RNA transcripts, have been considered to be of increasing importance in the pathogenesis of most of diseases and aging. Different authors showed that epigenetic changes are highly dynamic and reversible. Thus, they might provide an important link between the actions of ROS, epigenetic and diseases. Ozonetherapy used by diverse application ways supports its pharmacological effect in different oxidative stress-associated diseases. Some authors recognized ozone interaction with diverse components in biological environment mediate formation of peroxides and aldehydes that activate different pathways as Nrf2 and NF-kB axes influencing also epigenetic signatures. As result, dose concept in ozone therapy and it hormetic response has a crucial role to manage the equilibrium inflammation / pro-inflammation responds. This review will provide an overview of the role of ROS in modulating the epigenetic landscape in the context of physiology but also link of redox state and disease and ozonetherapy biological effects.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Las especies reactivas de oxígeno (ROS) pueden actuar como moléculas dañinas, pero también representan centros centrales en las redes de señalización celular. La evidencia creciente indica que el aumento de ROS desempeña un papel importante en la patogénesis de diversas enfermedades degenerativas y mediadas por patógenos, aunque los mecanismos subyacentes y las consecuencias de la fisiopatología elevaron el ROS en la mayoría de ellos todavía no se resuelven por completo. La búsqueda se realizó en las bases de datos de LILACS, OPS, SciELO, EMBASE, PubMed e Infomed, por los motores de búsqueda de Google y Google Scholar, donde se colocaron las palabras clave y permitieron la identificación de artículos originales, tesis, otros artículos de revisión bibliográfica e índice de citas alto. Revistas publicadas de 1950 a 2019, en español o inglés. Se identificaron doscientos treinta documentos, de los cuales se seleccionaron 58. Se han revisado los oxidantes más importantes y las especies reactivas de oxígeno producidas por diversas vías fisiológicas, factores químicos y biológicos, incluidas las condiciones genéticas y patológicas. Más recientemente, las alteraciones del paisaje epigenético, que pueden afectar la metilación del ADN, las modificaciones de histonas postraduccionales, las alteraciones dependientes de ATP a la cromatina y las transcripciones de ARN no codificantes, se han considerado cada vez más importantes en la patogénesis de la mayoría de las enfermedades y envejecimiento. Diferentes autores mostraron que los cambios epigenéticos son altamente dinámicos y reversibles. Por lo tanto, podrían proporcionar un vínculo importante entre las acciones de ROS, epigenética y enfermedades. La ozonoterapia utilizada por diversas formas de aplicación respalda su efecto farmacológico en diferentes enfermedades asociadas al estrés oxidativo. Algunos autores reconocieron la interacción del ozono con diversos componentes en el medio biológico que median la formación de peróxidos y aldehídos que activan diferentes vías como los ejes Nrf2 y NF-kB que influyen también en las firmas epigenéticas. Como resultado, el concepto de dosis en la terapia de ozono y su respuesta hormética tiene un papel crucial para controlar el equilibrio que responde a la inflamación / proinflamación. Esta revisión proporcionará una visión general del papel de ROS en la modulación del paisaje epigenético en el contexto de la fisiología, pero también el vínculo entre el estado redox y la enfermedad y los efectos biológicos de la ozonoterapia.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Platelet Rich Plasma]]></kwd>
<kwd lng="en"><![CDATA[Inflammation]]></kwd>
<kwd lng="en"><![CDATA[Ozone]]></kwd>
<kwd lng="en"><![CDATA[HIV]]></kwd>
<kwd lng="en"><![CDATA[Lipodystrophy]]></kwd>
<kwd lng="es"><![CDATA[Plasma Rico en Plaquetas]]></kwd>
<kwd lng="es"><![CDATA[Inflamación]]></kwd>
<kwd lng="es"><![CDATA[Ozono]]></kwd>
<kwd lng="es"><![CDATA[VIH]]></kwd>
<kwd lng="es"><![CDATA[Lipodistrofia]]></kwd>
</kwd-group>
</article-meta>
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