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A Disease-Associated MicroRNA Cluster Links Inflammatory Pathways and an Altered Composition of Leukocyte Subsets to Noninfectious Uveitis

Verhagen, Fleurieke H ; Bekker, Cornelis P J ; Rossato, Marzia ; Hiddingh, Sanne ; de Vries, Lieuwe ; Devaprasad, Abhinandan ; Pandit, Aridaman ; Ossewaarde-van Norel, Jeannette ; Ten Dam, Ninette ; Moret-Pot, Maartje C A ; Imhof, Saskia M ; de Boer, Joke H ; Radstake, Timothy R D J ; Kuiper, Jonas J W

Investigative ophthalmology & visual science, 2018-02, Vol.59 (2), p.878-888 [Periódico revisado por pares]

United States

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  • Título:
    A Disease-Associated MicroRNA Cluster Links Inflammatory Pathways and an Altered Composition of Leukocyte Subsets to Noninfectious Uveitis
  • Autor: Verhagen, Fleurieke H ; Bekker, Cornelis P J ; Rossato, Marzia ; Hiddingh, Sanne ; de Vries, Lieuwe ; Devaprasad, Abhinandan ; Pandit, Aridaman ; Ossewaarde-van Norel, Jeannette ; Ten Dam, Ninette ; Moret-Pot, Maartje C A ; Imhof, Saskia M ; de Boer, Joke H ; Radstake, Timothy R D J ; Kuiper, Jonas J W
  • É parte de: Investigative ophthalmology & visual science, 2018-02, Vol.59 (2), p.878-888
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: The cause of noninfectious uveitis (NIU) is poorly understood but is considered to be mediated by a complex interplay between genetic, environmental, and-relatively unexplored-epigenetic factors. MicroRNAs (miRNAs) are noncoding small RNAs that are important epigenetic regulators implicated in pathologic signaling. Therefore, we mapped the circulating miRNA-ome of NIU patients and studied miRNA perturbations within the broader context of the immune system. We designed a strategy to robustly identify changes in the miRNA profiles of two independent cohorts totaling 54 untreated patients with active and eye-restricted disease and 26 age-matched controls. High-resolution miRNA-ome data were obtained by TaqMan OpenArray technology and subsequent RT-qPCR. Flow cytometry data, and proteomic data spanning the cellular immune system, were used to map the uveitis-miRNA signature to changes in the composition of specific leukocyte subsets in blood. Using stringent selection criteria, we identified and independently validated an miRNA cluster that is associated with NIU. Pathway enrichment analysis for genes targeted by this cluster revealed significant enrichment for the PI3K/Akt, MAPK, FOXO, and VEGF signaling pathways, and photoreceptor development. In addition, unsupervised multidomain analyses linked the presence of the uveitis-associated miRNA cluster to a different composition of leukocyte subsets, more specifically, CD16+CD11c+HLA-DR- cells. Together, this study identified a unique miRNA cluster associated with NIU that was related to changes in leukocyte subsets demonstrating systemic changes in epigenetic regulation underlying NIU.
  • Editor: United States
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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