<?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>1561-3194</journal-id>
<journal-title><![CDATA[Revista de Ciencias Médicas de Pinar del Río]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Ciencias Médicas]]></abbrev-journal-title>
<issn>1561-3194</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1561-31942022000100011</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Exploración epidemiológica de la contribución materna y paterna en el asma en Pinar del Río]]></article-title>
<article-title xml:lang="en"><![CDATA[Epidemiological examination of maternal and paternal genetic influences in asthma, Pinar del Rio province]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orraca-Castillo]]></surname>
<given-names><![CDATA[Odalys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Orraca-Castillo]]></surname>
<given-names><![CDATA[Miladys]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lardoeyt-Ferrer]]></surname>
<given-names><![CDATA[Roberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lugo-Hernández]]></surname>
<given-names><![CDATA[Alberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barreras-Sixto]]></surname>
<given-names><![CDATA[Daniel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Corrales]]></surname>
<given-names><![CDATA[Santa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de Pinar del Río Facultad de Ciencias Médicas Dr. Ernesto Guevara de la Serna ]]></institution>
<addr-line><![CDATA[Pinar del Río ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Ministerio de Salud Pública  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de Ciencias Médicas de La Habana  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de Ciencias Médicas de Pinar del Río Hospital Pediátrico Provincial Docente &#8220;Pepe Portilla&#8221; ]]></institution>
<addr-line><![CDATA[Pinar del Río ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>02</month>
<year>2022</year>
</pub-date>
<volume>26</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1561-31942022000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1561-31942022000100011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1561-31942022000100011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  el asma es una enfermedad donde las interacciones genético-ambientales son complejas. Los antecedentes familiares de asma brindan información certera de la contribución genética a la enfermedad, por ello se exploran factores genéticos y ambientales con el objetivo de demostrar la contribución diferencial del genoma parental en la aparición del asma en Pinar del Río.  Objetivo: demostrar la contribución diferencial del genoma parental en la aparición del asma en Pinar del Río durante el periodo 2015-2019.  Métodos:  se realizó un estudio analítico de casos y controles con varios diseños de estudio de la epidemiologia tradicional y genética para la posterior comparación de la contribución entre la línea materna y paterna. Se utiliza los antecedentes familiares de asma como la información del genoma.  Resultados:  la proporción de familiares con antecedentes de asma fue mayor en favor de la línea materna con relación a la paterna, excepto para la abuela. Se evidenció agregación familiar preferencial para la línea materna para familiares de diferentes grados en Pinar del Río. En el diseño de estudio caso-control de la interacción genoma-ambiente se observó resultados superiores en favor de la línea materna con resultados significativos en los progenitores, mientras que en el diseño caso-caso se demostró un número mayor de interacciones en la línea materna contra la línea paterna.  Conclusiones:  desde la perspectiva de la función del genoma, resulta inédita la exploración de la contribución materna y paterna como un acercamiento a la epigenética de la enfermedad, donde prevalece la carga materna para el asma en Pinar del Río. Por ende, se debe enfatizar la prevención en los individuos con antecedentes familiares maternos de la enfermedad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  asthma is a disease where genetic-environmental interactions are complex. Family history of asthma provides accurate information on the genetic role to the disease, therefore genetic and environmental factors are explored with the aim of demonstrating the differential influences of the parental genome on the onset of asthma in Pinar del Rio.  Objective:  to demonstrate the differential genetic influences of the parental genome on the onset of asthma in Pinar del Rio during the period 2015-2019.  Methods:  an analytical study of cases and controls was performed with several study designs of traditional and genetic epidemiology for the subsequent comparison of the genetic role between maternal and paternal line. Family history of asthma is used as genome information.  Results:  the proportion of family members with a history of asthma was higher in favor of the maternal line than the paternal line, except for the grandmother. Preferential family aggregation was evidenced for the maternal line for relatives of different grades in Pinar del Rio. In the case-control study design of genome-environment interaction, superior results were observed in favor of the maternal line with significant results in the parents, while in the case-case design; greater figures of interactions concerning the maternal line against paternal line were verified.  Conclusions:  from the perspective of genome function, it is unprecedented the exploration of maternal and paternal genetic influences as an approach to the epigenetic of the disease, where the maternal burden for asthma prevails in Pinar del Rio. Therefore, prevention should be emphasized in individuals with maternal family history of the disease.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[ASMA]]></kwd>
<kwd lng="es"><![CDATA[ESTUDIOS DE ASOCIACIÓN GENÉTICA]]></kwd>
<kwd lng="es"><![CDATA[HERENCIA MULTIFACTORIAL]]></kwd>
<kwd lng="en"><![CDATA[ASTHMA]]></kwd>
<kwd lng="en"><![CDATA[GENETIC ASSOCIATION STUDIES]]></kwd>
<kwd lng="en"><![CDATA[MULTIFACTORIAL INHERITANCE]]></kwd>
</kwd-group>
</article-meta>
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