Dataset Information


Pro-inflammatory cytokines drive functional deregulation of potassium channels in primary synovial fibroblasts

ABSTRACT: The synovium secretes synovial fluid but is also richly innervated with nociceptors and acts as a gateway between avascular joint tissues and the circulatory system. Resident fibroblast-like synoviocytes’ (FLS) calcium-activated potassium channels (KCa) change in activity in arthritis models and this correlates with FLS activation. To deepen our understanding of the synovium in the context of synovial joint health and disease, the electrophysiological profile of FLS cells needs to be characterised, along with the ion channels that are present. Ion channels are an essential component of any cell membrane that controls ion movement in and out of the cell and play an important role in a multitude of cell regulating processes, typically by modulating the membrane potential To this end, we chose to perform an UNBIASED screen to identify/screen the ion channels that are transcribed in these cells and determine if this "channelome" changes with cytokine exposure. PCR/Westerns naturally bias toward the known proteins and transcripts and so we used Next Generation sequencing to scan the entire transcriptome. Objective: To determine the mechanism of this activation in an in vitro model of inflammatory arthritis; 72hr treatment with the cytokines TNFa and IL1b.

INSTRUMENT(S): Illumina HiSeq 2500

ORGANISM(S): Rattus norvegicus  

SUBMITTER: Richard Barrett-Jolley  

PROVIDER: E-MTAB-7798 | ArrayExpress | 2020-03-06



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