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        "resumen" => "<p id="spar0010" class="elsevierStyleSimplePara elsevierViewall">El descubrimiento continuo de nuevas subpoblaciones de c&#233;lulas T en las enfermedades autoinmunes humanas est&#225; haciendo el sistema inmunopatol&#243;gico m&#225;s complejo&#46; Las c&#233;lulas Th17 son uno de los subgrupos de c&#233;lulas T nuevamente identificados&#44; caracterizadas por la producci&#243;n de citocina IL-17&#46; En los &#250;ltimos a&#241;os&#44; muchos estudios han establecido fuertemente el papel regulador de las c&#233;lulas Th17 y su distintiva citocina IL-17 en enfermedades autoinmunes como psoriasis&#44; artritis psori&#225;sica&#44; artritis reumatoide&#44; enfermedad intestinal inflamatoria&#44; lupus eritematoso sist&#233;mico y esclerosis m&#250;ltiple&#46; La psoriasis y la artritis psori&#225;sica son enfermedades hiperproliferativas mediadas inmunol&#243;gicamente&#44; que afectan la piel y la articulaci&#243;n&#44; respectivamente&#46; Antes del descubrimiento de las c&#233;lulas Th17&#44; se pensaba que la psoriasis y las enfermedades psori&#225;sicas eran enfermedades medidas principalmente por Th1&#59; m&#225;s tarde&#44; el impacto de los estudios en animales sobre la IL-17&#44; as&#237; como los datos experimentales en humanos&#44; indican el papel crucial de las c&#233;lulas th17 y su distintiva citocina en la patog&#233;nesis de estas enfermedades&#46; Los estudios humanos in vitro han mostrado la abundancia de c&#233;lulas Th17 en las placas psori&#225;sicas&#46; Posteriormente&#44; nuestro grupo de investigaci&#243;n ha prolongado esta observaci&#243;n en la artritis psori&#225;sica y ha encontrado abundancia de CD4 &#43; IL-17 &#43; c&#233;lulas T en el l&#237;quido sinovial&#59; la mayor&#237;a de estas c&#233;lulas T son de fenotipo de memoria &#40;CD4RO&#43;CD45RA-CD11a&#43;&#41;&#46; Adem&#225;s&#44; hemos demostrado la presencia significativa del receptor funcional de IL-17 en los fibroblastos sinoviales de los pacientes con artritis psori&#225;sica&#46; Teniendo en cuenta la potente asociaci&#243;n de la Il-17 y la enfermedad psori&#225;sica&#44; la terapia enfocada en la IL-17 ha mostrado ser prometedora en estudios precl&#237;nicos y cl&#237;nicos&#46; En este art&#237;culo de revisi&#243;n hemos analizado el papel patog&#233;nico de la IL-17 en la enfermedad psori&#225;sica y hemos resumido la eficacia terap&#233;utica y el perfil de seguridad de una terapia anti IL-17 diferente como agente antipsori&#225;sico&#46;</p>"
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Journal Information
Vol. 105. Issue S1.
IL-17: a new therapeutic target for the regulations of inflammatory responses
Pages 21-33 (October 2014)
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Vol. 105. Issue S1.
IL-17: a new therapeutic target for the regulations of inflammatory responses
Pages 21-33 (October 2014)
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IL-17 and IL-17R: an auspicious therapeutic target for psoriatic disease
IL-17 e IL-17R: una diana terapéutica favorable para la enfermedad psoriásica
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A. Mitraa,c, S.K. Raychaudhuria,b, S.P. Raychaudhuria,b,
Corresponding author
sraychaudhuri@ucdavis.edu

Corresponding author.
a VA Medical Center Sacramento, Mather, CA, USA
b University of California, Davis, School of Medicine, Internal Medicine/Rheumatology, Allergy & Clinical Immunology, Davis, CA, USA
c University of California, Davis, Dermatology, School of Medicine, Sacramento, CA, USA
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Article information
Abstract

The continuous discovery of new T cell subpopulations in human autoimmune diseases is making the immunopathological network more complex. Th17 cells are one such newly identified subset of T cells, characterized by the production of signature cytokine IL-17. In last few years, several studies have strongly established the regulatory role of Th17 cells and its signature cytokine IL-17 in autoimmune diseases including psoriasis, psoriatic arthritis, rheumatoid arthritis, inflammatory bowel disease, systemic lupus erythematosus and multiple sclerosis. Psoriasis and PsA are immune mediated hyperproliferative diseases, affecting skin and joint respectively. Before the discovery of Th17 cells, psoriasis and psoriatic diseases were thought to be chiefly Th1 mediated diseases; later on IL-17 knockout animal studies as well as human experimental data indicate the crucial role of Th17 cells and its signature cytokine IL-17 in the pathogenesis of these diseases. In vitro human studies have shown the abundance of Th17 cells in the psoriatic plaques. Subsequently our research group has extended this observation in psoriatic arthritis and found the abundance of CD4+IL-17+ T cells in the synovial fluid and majority of these T cells are of memory phenotype (CD4RO+CD45RA-CD11a+). In addition, we showed the significant presence of functional IL-17 receptor in synovial fibroblast of psoriatic arthritis patients. Considering the strong association of IL-17 and psoriatic disease, IL-17 targeted therapy have shown promises in preclinical and clinical trials. In this review article, we have discussed the pathogenic role of IL-17 in psoriatic disease and summarized the therapeutic efficacy and safety profile of different anti IL-17 therapy as an anti-psoriatic agent.

Keywords:
Th17
IL-17
Psoriasis
Psoriatic arthritis
Resumen

El descubrimiento continuo de nuevas subpoblaciones de células T en las enfermedades autoinmunes humanas está haciendo el sistema inmunopatológico más complejo. Las células Th17 son uno de los subgrupos de células T nuevamente identificados, caracterizadas por la producción de citocina IL-17. En los últimos años, muchos estudios han establecido fuertemente el papel regulador de las células Th17 y su distintiva citocina IL-17 en enfermedades autoinmunes como psoriasis, artritis psoriásica, artritis reumatoide, enfermedad intestinal inflamatoria, lupus eritematoso sistémico y esclerosis múltiple. La psoriasis y la artritis psoriásica son enfermedades hiperproliferativas mediadas inmunológicamente, que afectan la piel y la articulación, respectivamente. Antes del descubrimiento de las células Th17, se pensaba que la psoriasis y las enfermedades psoriásicas eran enfermedades medidas principalmente por Th1; más tarde, el impacto de los estudios en animales sobre la IL-17, así como los datos experimentales en humanos, indican el papel crucial de las células th17 y su distintiva citocina en la patogénesis de estas enfermedades. Los estudios humanos in vitro han mostrado la abundancia de células Th17 en las placas psoriásicas. Posteriormente, nuestro grupo de investigación ha prolongado esta observación en la artritis psoriásica y ha encontrado abundancia de CD4 + IL-17 + células T en el líquido sinovial; la mayoría de estas células T son de fenotipo de memoria (CD4RO+CD45RA-CD11a+). Además, hemos demostrado la presencia significativa del receptor funcional de IL-17 en los fibroblastos sinoviales de los pacientes con artritis psoriásica. Teniendo en cuenta la potente asociación de la Il-17 y la enfermedad psoriásica, la terapia enfocada en la IL-17 ha mostrado ser prometedora en estudios preclínicos y clínicos. En este artículo de revisión hemos analizado el papel patogénico de la IL-17 en la enfermedad psoriásica y hemos resumido la eficacia terapéutica y el perfil de seguridad de una terapia anti IL-17 diferente como agente antipsoriásico.

Palabras clave:
Th17
IL-17
Psoriasis
Artritis psoriásica
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