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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">Transforming growth factor &#946;<span class="elsevierStyleInf">1</span> &#40;TGF-&#946;<span class="elsevierStyleInf">1</span>&#41; is one of the key profibrotic mediators in the pathogenesis of idiopathic pulmonary fibrosis &#40;IPF&#41;&#46; The purpose of this study was to investigate the prognostic value of quantifying TGF-&#946;<span class="elsevierStyleInf">1</span> levels in patients with IPF&#46;</p> <span class="elsevierStyleSectionTitle">Patients and methods</span><p class="elsevierStyleSimplePara elsevierViewall">We conducted a prospective study of 29 IPF patients and 27 healthy controls&#46; Enzyme-linked immunosorbent assays were used to quantify TGF-&#946;<span class="elsevierStyleInf">1</span> levels&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">Mean &#40;SD&#41; TGF-&#946;<span class="elsevierStyleInf">1</span> levels were significantly higher in the IPF patients than in the control subjects &#40;11&#46;1 &#91;7&#46;5&#93; ng&#47;mL vs 4 &#91;2&#46;4&#93; ng&#47;mL&#59; <span class="elsevierStyleItalic">P</span>&#60;&#46;01&#41;&#46; Weak inverse correlations were observed between TGF-&#946;<span class="elsevierStyleInf">1</span> levels and both forced vital capacity and total lung capacity&#46; Thirteen IPF patients were evaluated at 8 &#40;1&#46;2&#41; months &#40;range&#44; 5&#8211;9 months&#41;&#46; The mean TGF-&#946;<span class="elsevierStyleInf">1</span> level was 18&#46;2 &#40;15&#41; ng&#47;mL and there were no significant differences with respect to the initial measurement of 11&#46;1 &#40;7&#46;5&#41; ng&#47;mL&#46;</p><p class="elsevierStyleSimplePara elsevierViewall">No correlation was observed between changes in respiratory function and changes in TGF-&#946;<span class="elsevierStyleInf">1</span> levels&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">Although plasma levels of TGF-&#946;<span class="elsevierStyleInf">1</span> were high in the patients with IPF&#44; they do not appear to be a useful prognostic marker of disease activity or therapeutic response&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">El factor transformador del crecimiento &#946;<span class="elsevierStyleInf">1</span> &#40;TGF-&#946;<span class="elsevierStyleInf">1</span>&#41; es uno de los mediadores fibrog&#233;nicos con m&#225;s relevancia en la patogenia de la fibrosis pulmonar idiop&#225;tica &#40;FPI&#41;&#46; El objetivo del estudio ha sido investigar el valor pron&#243;stico de la determinaci&#243;n en plasma del TGF-&#946;<span class="elsevierStyleInf">1</span> en la FPI&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes y m&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Se ha realizado un estudio prospective en el que se incluy&#243; a 29 pacientes con FPI y 27 controles sanos&#46; La determinaci&#243;n del TGF-&#946;<span class="elsevierStyleInf">1</span> se realiz&#243; mediante enzimoinmunoan&#225;lisis&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">La concentraci&#243;n de TGF-&#946;<span class="elsevierStyleInf">1</span> de significativamente mayor en los pacientes con FPI que en los controles &#40;media &#177; desviaci&#243;n est&#225;ndar&#58; 11&#44;1 &#177; 7&#44;5 frente a 4 &#177; 2&#44;4 ng&#47;ml&#59; p &#60; 0&#44;01&#41;&#46; Se observ&#243; una d&#233;bil relaci&#243;n inversa de la concentraci&#243;n del TGF-&#946;<span class="elsevierStyleInf">1</span> con los valores de la capacidad vital forzada y de la capacidad pulmonar total&#46; Se evalu&#243; a 13 pacientes con FPI a los 8 &#177; 1&#44;2 meses &#40;rango&#58; 5&#8211;9 meses&#41;&#46; La concentraci&#243;n de TGF-&#946;<span class="elsevierStyleInf">1</span> fue de 18&#44;2 &#177; 15 ng&#47;ml&#44; sin diferencias significativas respecto a la primera determinaci&#243;n &#40;11&#44;1 &#177; 7&#44;5 ng&#47;ml&#41;&#46; No se observ&#243; ninguna relaci&#243;n entre los cambios evolutivos en la exploraci&#243;n funcional respiratoria y los cambios en la concentraci&#243;n de TGF-&#946;<span class="elsevierStyleInf">1</span>&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">Aunque la concentraci&#243;n plasm&#225;tica de TGF-&#946;<span class="elsevierStyleInf">1</span> est&#225; elevada en los pacientes con FPI&#44; este par&#225;metro no parece ser &#250;til como marcador del pron&#243;stico de la enfermedad ni de la respuesta terap&#233;utica&#46;</p>"
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                            0 => "TE King"
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Original Articles
Quantifying Plasma Levels of Transforming Growth Factor β1 in Idiopathic Pulmonary Fibrosis
María Molina-Molinaa,
Corresponding author
mariamolinamolina@hotmail.com

Correspondence: Dra. M. Molina-Molina. Servicio de Neumología. Hospital Clínic. Villarroel, 170. 08036 Barcelona. España
, Sergio Lariob, Patricio Luburichc, José Ramírezd, María Teresa Carrióna, Antoni Xaubeta
a Sectión de Neumología, Hospital Clinic, IDIBAPS, Universidad de Barcelona, Barcelona, Spain
b Unidad de Trasplante Renal, Hospital Clinic, IDIBAPS, Universidad de Barcelona, Barcelona, Spain
c Servicio de Radiodiagnóstico, Hospital Clínic, IDIBAPS, Universidad de Barcelona, Barcelona, Spain
d Servicio de Anatomía Patológica, Hospital Clínic, IDIBAPS, Universidad de Barcelona, Barcelona, Spain
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objective</span><p class="elsevierStyleSimplePara elsevierViewall">Transforming growth factor &#946;<span class="elsevierStyleInf">1</span> &#40;TGF-&#946;<span class="elsevierStyleInf">1</span>&#41; is one of the key profibrotic mediators in the pathogenesis of idiopathic pulmonary fibrosis &#40;IPF&#41;&#46; The purpose of this study was to investigate the prognostic value of quantifying TGF-&#946;<span class="elsevierStyleInf">1</span> levels in patients with IPF&#46;</p> <span class="elsevierStyleSectionTitle">Patients and methods</span><p class="elsevierStyleSimplePara elsevierViewall">We conducted a prospective study of 29 IPF patients and 27 healthy controls&#46; Enzyme-linked immunosorbent assays were used to quantify TGF-&#946;<span class="elsevierStyleInf">1</span> levels&#46;</p> <span class="elsevierStyleSectionTitle">Results</span><p class="elsevierStyleSimplePara elsevierViewall">Mean &#40;SD&#41; TGF-&#946;<span class="elsevierStyleInf">1</span> levels were significantly higher in the IPF patients than in the control subjects &#40;11&#46;1 &#91;7&#46;5&#93; ng&#47;mL vs 4 &#91;2&#46;4&#93; ng&#47;mL&#59; <span class="elsevierStyleItalic">P</span>&#60;&#46;01&#41;&#46; Weak inverse correlations were observed between TGF-&#946;<span class="elsevierStyleInf">1</span> levels and both forced vital capacity and total lung capacity&#46; Thirteen IPF patients were evaluated at 8 &#40;1&#46;2&#41; months &#40;range&#44; 5&#8211;9 months&#41;&#46; The mean TGF-&#946;<span class="elsevierStyleInf">1</span> level was 18&#46;2 &#40;15&#41; ng&#47;mL and there were no significant differences with respect to the initial measurement of 11&#46;1 &#40;7&#46;5&#41; ng&#47;mL&#46;</p><p class="elsevierStyleSimplePara elsevierViewall">No correlation was observed between changes in respiratory function and changes in TGF-&#946;<span class="elsevierStyleInf">1</span> levels&#46;</p> <span class="elsevierStyleSectionTitle">Conclusions</span><p class="elsevierStyleSimplePara elsevierViewall">Although plasma levels of TGF-&#946;<span class="elsevierStyleInf">1</span> were high in the patients with IPF&#44; they do not appear to be a useful prognostic marker of disease activity or therapeutic response&#46;</p>"
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        "resumen" => "<span class="elsevierStyleSectionTitle">Objetivo</span><p class="elsevierStyleSimplePara elsevierViewall">El factor transformador del crecimiento &#946;<span class="elsevierStyleInf">1</span> &#40;TGF-&#946;<span class="elsevierStyleInf">1</span>&#41; es uno de los mediadores fibrog&#233;nicos con m&#225;s relevancia en la patogenia de la fibrosis pulmonar idiop&#225;tica &#40;FPI&#41;&#46; El objetivo del estudio ha sido investigar el valor pron&#243;stico de la determinaci&#243;n en plasma del TGF-&#946;<span class="elsevierStyleInf">1</span> en la FPI&#46;</p> <span class="elsevierStyleSectionTitle">Pacientes y m&#233;todos</span><p class="elsevierStyleSimplePara elsevierViewall">Se ha realizado un estudio prospective en el que se incluy&#243; a 29 pacientes con FPI y 27 controles sanos&#46; La determinaci&#243;n del TGF-&#946;<span class="elsevierStyleInf">1</span> se realiz&#243; mediante enzimoinmunoan&#225;lisis&#46;</p> <span class="elsevierStyleSectionTitle">Resultados</span><p class="elsevierStyleSimplePara elsevierViewall">La concentraci&#243;n de TGF-&#946;<span class="elsevierStyleInf">1</span> de significativamente mayor en los pacientes con FPI que en los controles &#40;media &#177; desviaci&#243;n est&#225;ndar&#58; 11&#44;1 &#177; 7&#44;5 frente a 4 &#177; 2&#44;4 ng&#47;ml&#59; p &#60; 0&#44;01&#41;&#46; Se observ&#243; una d&#233;bil relaci&#243;n inversa de la concentraci&#243;n del TGF-&#946;<span class="elsevierStyleInf">1</span> con los valores de la capacidad vital forzada y de la capacidad pulmonar total&#46; Se evalu&#243; a 13 pacientes con FPI a los 8 &#177; 1&#44;2 meses &#40;rango&#58; 5&#8211;9 meses&#41;&#46; La concentraci&#243;n de TGF-&#946;<span class="elsevierStyleInf">1</span> fue de 18&#44;2 &#177; 15 ng&#47;ml&#44; sin diferencias significativas respecto a la primera determinaci&#243;n &#40;11&#44;1 &#177; 7&#44;5 ng&#47;ml&#41;&#46; No se observ&#243; ninguna relaci&#243;n entre los cambios evolutivos en la exploraci&#243;n funcional respiratoria y los cambios en la concentraci&#243;n de TGF-&#946;<span class="elsevierStyleInf">1</span>&#46;</p> <span class="elsevierStyleSectionTitle">Conclusiones</span><p class="elsevierStyleSimplePara elsevierViewall">Aunque la concentraci&#243;n plasm&#225;tica de TGF-&#946;<span class="elsevierStyleInf">1</span> est&#225; elevada en los pacientes con FPI&#44; este par&#225;metro no parece ser &#250;til como marcador del pron&#243;stico de la enfermedad ni de la respuesta terap&#233;utica&#46;</p>"
      ]
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      0 => array:1 [
        "nota" => "<p class="elsevierStyleNotepara">This study was funded by grants from SEPAR&#58; Fundaci&#243;n Respira 2000&#44; FIS 00&#47;371&#44; and Red Respira V-2003-REDC 11 D-O&#46;</p>"
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