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- W1989968315 abstract "Abstract The pathogenesis of ankylosing spondylitis (AS) is mainly characterized by inflammation in the axial skeleton initially dominated by mononuclear cell infiltrates and by increased number of osteoclasts (OCs) combined by an enhanced osteoblast activity leading to excessive bone apposition. The complexity of AS pathogenetic pathways has so far prevented the development of an adequate definitive therapy. Among the most studied targets for assessing therapeutic effectiveness, there are the OCs, the primary bone resorbing cells. Here, we investigated spontaneous and induced osteoclastogenesis in peripheral blood mononuclear cells (PBMCs) from AS patients, in order to explore the relation between osteoclastogenesis and disease activity. In addition, we tested the susceptibility of OCs from AS patients to undergo apoptosis investigating their response to Emblica officinalis plant extracts, previously characterized by us as apoptotic inducer in OCs. We found that PBMCs from AS are more susceptible to spontaneous osteoclastogenesis than the PBMCs from control samples, and that the osteoclastogenic potential was significantly associated with high ASDAS among AS patients with bone marrow edema. In addition, after treatment with E. officinalis extracts, normal OCs underwent apoptosis, but OCs from AS patients showed a strong resistance to apoptotic stimulus. We found that OCs from AS patients, unlike OCs from healthy individuals, express high levels of survival signals including Bcl-XL and Survivin, but do not express Bim proapoptotic protein. Our data demonstrate that AS OCs present qualitative peculiarity: this may help in identifying an effective strategy to prevent bone changes in AS before structural modifications have occurred." @default.
- W1989968315 created "2016-06-24" @default.
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- W1989968315 date "2013-07-01" @default.
- W1989968315 modified "2023-09-26" @default.
- W1989968315 title "Osteoclasts from peripheral blood mononuclear cells culture of ankylosing spondylitis subjects are resistant to apoptosis" @default.
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- W1989968315 doi "https://doi.org/10.1016/j.bionut.2012.10.013" @default.
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