<?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>1025-028X</journal-id>
<journal-title><![CDATA[Vaccimonitor]]></journal-title>
<abbrev-journal-title><![CDATA[Vaccimonitor]]></abbrev-journal-title>
<issn>1025-028X</issn>
<publisher>
<publisher-name><![CDATA[Finlay Ediciones]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1025-028X2001000300002</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Respuesta IgG inducida en población de riesgo vacunada con vax-SPIRAL (Vacuna Antileptospirósica Trivalente:canicola, copenhageni y mozdok)]]></article-title>
<article-title xml:lang="en"><![CDATA[IgG immune response induced by vaccination with the trivalent (canicola,copenhageni, mozdok) leptospiral vaccine vax-SPIRAL in risk population]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[Yoandra]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González]]></surname>
<given-names><![CDATA[Marta]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ferriol]]></surname>
<given-names><![CDATA[Xenia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Medina]]></surname>
<given-names><![CDATA[Roger]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ochoa]]></surname>
<given-names><![CDATA[Rolando]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Baró]]></surname>
<given-names><![CDATA[Morelia]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Armesto]]></surname>
<given-names><![CDATA[Marlene]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Talavera]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sierra]]></surname>
<given-names><![CDATA[Gustavo]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,Instituto Finlay  ]]></institution>
<addr-line><![CDATA[Ciudad de La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2001</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2001</year>
</pub-date>
<volume>10</volume>
<numero>3</numero>
<fpage>7</fpage>
<lpage>12</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1025-028X2001000300002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1025-028X2001000300002&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1025-028X2001000300002&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[La respuesta IgG sérica inducida por la aplicación de la vacuna antileptospirósica trivalente (canicola, copenhageni, mozdok) vax-SPIRAL fue evaluada en dos poblaciones de riesgo del municipio San José de Las Lajas, La Habana, Cuba. Fueron determinados los niveles de anticuerpos IgG antes y después de la vacunación mediante ELISA, empleando como antígeno de recubrimiento células completas inactivadas de los serovares componentes de la vacuna. Se definió como criterio de respuesta el incremento en dos veces de la concentración de IgG posterior a la vacunación. La vacuna indujo una respuesta de anticuerpos IgG similar para los tres serovares en ambas poblaciones, obteniéndose entre 63,77% y 70,04% de respuesta. Se observó una elevada seroprevalencia de anticuerpos contra los tres serovares antes de la vacunación. Se obtuvieron además diferencias estadísticas significativas (p<0,05) entre los niveles de IgG antes y después de la vacunación en las dos poblaciones. Estos resultados constituyen la primera demostración de la capacidad inmunogénica de vax- SPIRAL en población de riesgo expuesta y una evidencia de que la respuesta está influenciada, entre otros factores, por el contacto previo con el germen.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[The humoral immune response induced by the trivalent (canicola, copenhageni, mozdok) leptospiral vaccine, vax- SPIRAL, was studied in two risk populations of San José de Las Lajas, Cuba. The levels of IgG antibodies were evaluated before and after vaccination by means of ELISA, using whole-cell antigens of serovars mentioned above for coating the microtiter plates. Two-fold increasing of the IgG concentration after vaccination was defined as response criterion. The vaccine induced a similar IgG response in both populations, between 63,77% and 70,04%. A high seroprevalence of IgG antibodies against the three serovars was observed. Significant statistical differences (p<0,05) were obtained between IgG levels before and after vaccination. These results are the first demonstration of the immunogenicity of vax-SPIRAL in people expose at risk and evidence that the response may be influenced, among other factors, by the previous contact with the micro-organism.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Leptospira interrogans]]></kwd>
<kwd lng="es"><![CDATA[inmunogenicidad]]></kwd>
<kwd lng="es"><![CDATA[respuesta humoral]]></kwd>
<kwd lng="es"><![CDATA[ELISA IgG]]></kwd>
<kwd lng="es"><![CDATA[vax-SPIRAL]]></kwd>
<kwd lng="en"><![CDATA[Leptospira interrogans]]></kwd>
<kwd lng="en"><![CDATA[Immunogenicity]]></kwd>
<kwd lng="en"><![CDATA[Humoral immune response]]></kwd>
<kwd lng="en"><![CDATA[IgG ELISA]]></kwd>
<kwd lng="en"><![CDATA[vax-SPIRAL]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[ <p align="right"><font face="Verdana" size="2"><b>ARTICULOS ORIGINALES</b></font></p>     <p align="right">&nbsp;</p>     <p align="right"><strong><font size="4" face="Verdana, Arial, Helvetica, sans-serif">Respuesta IgG inducida en poblaci&oacute;n de riesgo vacunada    con vax-SPIRAL (Vacuna Antileptospir&oacute;sica Trivalente:canicola, copenhageni y mozdok).</font></strong></p>     <p align="right">&nbsp;</p>     <p align="right"><strong><font size="3" face="Verdana, Arial, Helvetica, sans-serif">IgG immune response induced by vaccination with the trivalent (canicola,copenhageni,   mozdok) leptospiral vaccine vax-SPIRAL in risk population.</font></strong></p>     <p align="right">&nbsp;</p>     <p align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">  <strong>Yoandra Rodr&iacute;guez, Marta Gonz&aacute;lez, Xenia Ferriol, Roger Medina, Rolando Ochoa, Morelia Bar&oacute;,   Marlene Armesto, Arturo Talavera y Gustavo Sierra.</strong>    <br>   </font></p>     <p align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Instituto Finlay. Centro de Investigaci&oacute;n-Producci&oacute;n de Vacunas y Sueros. Ciudad de La Habana, Cuba.    <br> E-mail:<a href="mailto:yoandrarod@finlay.edu.cu">yoandrarod@finlay.edu.cu</a></font></p> <hr>     ]]></body>
<body><![CDATA[<p align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><strong>RESUMEN</strong>    <br> </font></p>     <p align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">La respuesta IgG s&eacute;rica inducida por la aplicaci&oacute;n de la vacuna antileptospir&oacute;sica trivalente (canicola,   copenhageni, mozdok) vax-SPIRAL fue evaluada en dos poblaciones de riesgo del municipio San Jos&eacute; de Las    Lajas, La Habana, Cuba. Fueron determinados los niveles de anticuerpos IgG antes y despu&eacute;s de la vacunaci&oacute;n    mediante ELISA, empleando como ant&iacute;geno de recubrimiento c&eacute;lulas completas inactivadas de los serovares    componentes de la vacuna. Se defini&oacute; como criterio de respuesta el incremento en dos veces de la concentraci&oacute;n de IgG posterior a la vacunaci&oacute;n. La vacuna indujo una respuesta de anticuerpos IgG similar para    los tres serovares en ambas poblaciones, obteni&eacute;ndose entre 63,77% y 70,04% de respuesta. Se observ&oacute; una    elevada seroprevalencia de anticuerpos contra los tres serovares antes de la vacunaci&oacute;n. Se obtuvieron adem&aacute;s    diferencias estad&iacute;sticas significativas (p&lt;0,05) entre los niveles de IgG antes y despu&eacute;s de la vacunaci&oacute;n en las    dos poblaciones. Estos resultados constituyen la primera demostraci&oacute;n de la capacidad inmunog&eacute;nica de vax-    <br>   SPIRAL en poblaci&oacute;n de riesgo expuesta y una evidencia de que la respuesta est&aacute; influenciada, entre otros    <br>   factores, por el contacto previo con el germen.    <br>   </font></p>     <p align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><strong>Palabras claves:</strong> Leptospira interrogans, inmunogenicidad, respuesta humoral, ELISA IgG, vax-SPIRAL.</font></p> <hr>     <p align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">  <strong>ABSTRACT</strong></font></p>     <p align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">  The humoral immune response induced by the trivalent (canicola, copenhageni, mozdok) leptospiral vaccine, vax- SPIRAL, was studied in two risk populations of San Jos&eacute; de Las Lajas, Cuba. The levels of IgG antibodies were      evaluated before and after vaccination by means of ELISA, using whole-cell antigens of serovars mentioned above for      coating the microtiter plates. Two-fold increasing of the IgG concentration after vaccination was defined as response      criterion. The vaccine induced a similar IgG response in both populations, between 63,77% and 70,04%. A high      seroprevalence of IgG antibodies against the three serovars was observed. Significant statistical differences (p&lt;0,05)      were obtained between IgG levels before and after vaccination. These results are the first demonstration of the      immunogenicity of vax-SPIRAL in people expose at risk and evidence that the response may be influenced, among other      factors, by the previous contact with the micro-organism.    <br> </font></p>     ]]></body>
<body><![CDATA[<p align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><strong>Keywords</strong>: Leptospira interrogans, Immunogenicity, Humoral immune response, IgG ELISA, vax-SPIRAL</font></p> <hr>     <p align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">Texto completo en pdf </font></p>     <p align="left"><font size="2" face="Verdana, Arial, Helvetica, sans-serif"><B>REFERENCIAS</B></font></p>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">1. Faine S. Guidelines for the control of Leptospirosis. Geneva: WHO, 1982 (Publication No. 67).  </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">2. Iagovkin EA. The improvement of immunobiological preparations against leptospirosis. Miocrobiol Epidemiol Immunobiol 1990; 2:47-51 </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">3. Torten M, Shenberg E. A new leptospiral vaccine for use in man II. Clinical and serological evaluation of a field trial with volunteers. J Infect Dis 1993; 128:647-51. </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">4. Chen Ting-zuo. Development and present satatus of leptospiral vaccine and technology of production of the vaccine in China. Ann Inmunol 1986;26:125-51. </font>     <P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">5. World Health Organization. Report of the WHO working group on leptospirosis vaccine development and vaccinology. Nagoya, Japan. 26-27 March, 1993. </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">6. Gonz&aacute;lez M, Naranjo M, Rodr&iacute;guez Y, Bebelagua Y, Oliva R, Batista N, Gonz&aacute;lez I, Izquierdo L y Sierra G. Vacuna antileptospir&oacute;sica trivalente adsorbida para uso humano. Primer ensayo evaluativo de reactogenicidad e inmunogenicidad en un grupo de voluntarios adultos. VacciMonitor 1997; 6 (12):2-10. </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">7. Mart&iacute;nez RS. Reactogenicidad e inmunogenicidad de la primera vacuna cubana contra la leptospirosis humana. Rev Cubana Med Trop 1998, 50 (2):159-66. </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">8. Mart&iacute;nez RS. Evaluaci&oacute;n parcial de la efectividad de la vacuna contra la Leptospirosis humana (vax-SPIRAL) en grupos de riesgo de la Provincia de Holgu&iacute;n- Cuba. Braz J Infect Dis 1997; 1(1). </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">9. Ministerio de Salud P&uacute;blica de Cuba. vax-SPIRAL. Vacuna antileptospir&oacute;sica trivalente (canicola, copenhageni, mozdok) para uso en humanos. Registro M&eacute;dico Sanitario 846. 1998. </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">10. Plikaytis BD. Programa ELISA. Center for Diseases Control., Atlanta. GA. USA. 1986. </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">11. Jost BH, Adler B, Vinh T and Faine S. Experimental immunization of hamsters with lipopolysacharide antigens of Leptospira interrogans. J Med Microbiol 1989; 29:115-120. </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">12. Chapman AJ, Adler B and Faine S. Antigens recognized by the human immune response to infection with Leptospira interrogans serovar . J Med Microbiol 1988; 25:269-278. </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">13. Chapman AJ, Faine S and Adler B. Antigens recognized by the human immune response to vaccination with a bivalent hardjo/pomona leptospiral vaccine. FEEMS Microbiol Immunol. 1990; 64:111-18. </font>     <P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">14. Chapman AJ, Everard COR, Faine S and Adler B Antigens recognized by the human immune response to severe leptospirosis in Barbados. Epidemiol Infect 1991; 107:143-55. </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">15. Cinco M, Delneri D y Banfi E. Immunodominant antigens recognized by the human immune response to infection by organism of the species Leptospira interrogans serogroup Australis. FEEMS Microbiol Immunol 1992; 89:287-98. </font>     <!-- ref --><P ALIGN="JUSTIFY"><font size="2" face="Verdana, Arial, Helvetica, sans-serif">16. Gitton X, Daubi&eacute; MB, Andr&eacute; F, Gani&eacute;re JP y Andr&eacute;-Fontaine G. Recognition of Leptospira interrogans antigens by vaccinated or infected dogs. Vet Microbiol 1994; 41:87-97. </font>     <p>&nbsp;</p>     ]]></body>
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