ArticleIn vitro models2022
Transcriptional profiling of neuronal ion channels in dorsal root ganglion-derived immortal cell line (F-11) under different culture conditions.
Article in In vitro models, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Pathological pain is a prevalent condition that affects majority of adults with a variety of underlying disease conditions. Current available pharmacological pain treatments have several negative and potentially life-threatening side effects associated with their long-term use. Due to the heterogeneity of pain perception and the diversity of neuronal mechanisms that contribute to pain, high-throughput screening of small molecules that may have underlying analgesic properties is essential for identifying new analgesic treatments that are both effective and safe. The F-11 hybrid immortalized cell line is one of the currently available dorsal root ganglion (DRG) cell lines used for drug screening. While F-11 cells are commonly used as analogs to primary DRG sensory neurons, they differ significantly in physiological properties. The present study investigated the impact of differentiation protocols on the expression of mature neuron ion channels and receptors in F-11 cells. Using a customized gene array of more than eighty neuronal ion channels and receptors including voltage-gated ion channels, transient receptor potential channels, and cannabinoid receptors, we assessed the following groups: control F-11 cells; F-11 cells cultured under different culture conditions, and murine DRG tissue. The expression profiles of majority of the investigated ion channels and receptors in F-11 cells were found to be lower compared to primary mouse DRG neurons. F-11 cells cultured under low serum (LSM) conditions had increased expression of several investigated targets including voltage-gated ion channels and cannabinoid receptors when compared to control F-11 cells. The study showed that the culture conditions significantly modulated the transcriptional expression of studied ion channels and receptors, and that long-term culture (21 days) may adversely affect the expression of many of the studied targets.
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