<?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>2448-9190</journal-id>
<journal-title><![CDATA[Revista alergia México]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. alerg. Méx.]]></abbrev-journal-title>
<issn>2448-9190</issn>
<publisher>
<publisher-name><![CDATA[Colegio Mexicano de Inmunología Clínica y Alergia A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2448-91902023000200089</article-id>
<article-id pub-id-type="doi">10.29262/ram.v70i1.1149</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Células troncales mesenquimales: opción terapéutica en pacientes con SDRA, EPOC y COVID-19]]></article-title>
<article-title xml:lang="en"><![CDATA[Mesenchymal stem cells: Therapeutic option in ARDS, COPD, and COVID-19 patients.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Zarco]]></surname>
<given-names><![CDATA[Braulio Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jiménez-García]]></surname>
<given-names><![CDATA[María Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tirado]]></surname>
<given-names><![CDATA[Rocío]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ambrosio]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández-Mendoza]]></surname>
<given-names><![CDATA[Lilian]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Departamento de Microbiología y Parasitología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Departamento de Microbiología y Parasitología]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Departamento de Microbiología y Parasitología]]></institution>
<addr-line><![CDATA[ Ciudad de México]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2023</year>
</pub-date>
<volume>70</volume>
<numero>2</numero>
<fpage>89</fpage>
<lpage>101</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2448-91902023000200089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2448-91902023000200089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2448-91902023000200089&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El síndrome de dificultad respiratoria aguda (SDRA), la enfermedad pulmonar obstructiva crónica (EPOC) y la COVID-19 tienen tienen en común provocar lesión inflamatoria del epitelio pulmonar. El tratamiento actual suele asociarse con infecciones oportunistas, hiperglicemia y afectación suprarrenal, por lo que es importante proponer opciones relacionadas con la disminución de la inflamación y estimulación de la reepitelización del tejido dañado. En esta revisión se detallan las características fisiopatológicas relevantes de dichas enfermedades y se evalúan los hallazgos recientes del efecto inmunomodulador, antiinflamatorio y regenerativo de las células troncales mesenquimales (MSC) y sus aplicaciones terapéuticas. Se seleccionaron los estudios sobresalientes del tema, publicados entre 2003 y 2022 en PubMed, siguiendo los criterios de la guía PRISMA. Las células troncales mesenquimales representan una opción importante de tratamiento regenerativo en pacientes con EPOC, SDRA y COVID-19, pues se diferencian a neumocitos tipo II, y mantienen el tamaño y la función del tejido pulmonar, supliendo a las células muertas o dañadas.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Acute respiratory distress syndrome (ARDS), chronic obstructive pulmonary disease (COPD) and COVID-19 have as a common characteristic the inflammatory lesion of the lung epithelium. The therapeutic options are associated with opportunistic infections, a hyperglycemic state, and adrenal involvement. Therefore, the search for new treatment strategies that reduce inflammation, and promote re-epithelialization of damaged tissue is very important. This work describes the relevant pathophysiological characteristics of these diseases and evaluates recent findings on the immunomodulatory, anti-inflammatory and regenerative effect of mesenchymal stem cells (MSC) and their therapeutic use. In Pubmed we selected the most relevant studies on the subject, published between 2003 and 2022 following the PRISMA guide. We conclude that MSCs are an important therapeutic option for regenerative treatment in COPD, ARDS, and COVID-19, because of their ability to differentiate into type II pneumocytes and maintain the size and function of lung tissue by replacing dead or damaged cells.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Células troncales mesenquimales]]></kwd>
<kwd lng="es"><![CDATA[síndrome de dificultad respiratoria aguda]]></kwd>
<kwd lng="es"><![CDATA[enfermedad pulmonar obstructiva crónica]]></kwd>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[Mesenchymal stem cells]]></kwd>
<kwd lng="en"><![CDATA[Acute respiratory distress syndrome]]></kwd>
<kwd lng="en"><![CDATA[Chronic obstructive pulmonary disease]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
</kwd-group>
</article-meta>
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