Abstract:
:Recently, we could show that the expression levels of the key regulators of the microRNA (miRNA) maturation and transport were dysregulated in inflamed hidradenitis suppurativa (HS) tissue (Heyam et al. in Wiley Interdiscip Rev RNA 6:271-289, 2015). The RNA-induced silencing complex (RISC) is the central element of the miRNA pathway and regulates miRNA formation and function. We investigated the expression of the RISC components, namely transactivation-responsive RNA-binding protein-1 (TRBP1), TRBP2, protein activator (PACT) of the interferon-induced protein kinase R, Argonaute RISC Catalytic Component-1 (AGO1) and Component-2 (AGO2), metadherin, and staphylococcal nuclease and Tudor domain-containing-1 (SND1) in inflamed HS tissue compared to healthy and psoriatic controls by real-time reverse transcription polymerase chain reaction. Expression levels of all investigated components were significantly lower in lesional HS skin (n = 18) compared to healthy controls (n = 10). TRBP1, PACT, AGO1, AGO2, and SND1 expression levels were significantly down-regulated in lesional HS skin compared to healthy-appearing perilesional skin (n = 7). TRBP2 and SND1 expression levels were significantly lower in healthy-appearing perilesional skin compared to healthy controls. In lesional HS skin, expression levels of PACT, AGO1, and AGO2 were significantly lower compared to psoriatic skin (n = 10). In summary, our data showed that all investigated components of RISC are dysregulated in the skin of HS patients, providing support for the hypothesis that miRNAs may have a pathological role in the inflammatory pathogenesis of HS.
journal_name
Arch Dermatol Resjournal_title
Archives of dermatological researchauthors
Hessam S,Sand M,Skrygan M,Bechara FGdoi
10.1007/s00403-017-1752-1subject
Has Abstractpub_date
2017-09-01 00:00:00pages
557-565issue
7eissn
0340-3696issn
1432-069Xpii
10.1007/s00403-017-1752-1journal_volume
309pub_type
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