ArticleInflammation research : official journal of the European Histamine Research Society ... [et al.]2013
Effect of tonsillar mononuclear cell supernatants in patients with IgA nephropathy on renal tubular epithelial cells.
Article in Inflammation research : official journal of the European Histamine Research Society ... [et al.], 2013. 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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6 authors at 2 institutions in 1 country.
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Abstract
objectiveThis study aimed to investigate the immunological relationship and the mechanism between tonsillar inflammation and immunoglobulin A nephropathy (IgAN). SUBJECTS: Tonsillar mononuclear cells (TMCs) were prepared from 13 patients with IgAN and 13 patients with chronic tonsillitis but without renal disease. The human renal tubular epithelial cell (TEC) line, HK-2, was used to test the effects of secretions from the TMCs.
methodsPhytohemagglutinin (PHA) was used to induce the inflammatory responses in TMCs. The secretions from TMCs, stimulated with or without PHA, were collected and applied to HK-2 cells. The proliferation, apoptosis, and epithelial-mesenchymal transition (EMT) of HK-2 cells were evaluated. The expression of key components during apoptosis and EMT was measured.
resultsThe secretions from PHA-stimulated IgAN TMCs significantly inhibited proliferation, promoted apoptosis, and down-regulated Bcl-2 in HK-2 cells (P < 0.05) in time- and concentration-dependent manners. They also modulated the expression of key components during EMT, E-cadherin and α-SMA (P < 0.05).
conclusionsThe secretions from PHA-stimulated IgAN TMCs can cause the inhibition of proliferation, promotion of apoptosis, down-regulation of Bcl-2, and EMT effects in HK-2 TECs, which may reflect the in-vivo remote modulation of functions of renal TECs by tonsillar inflammation.
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