Abstract:
:Interstitial cystitis (IC) is a chronic inflammatory condition of the urinary bladder with a strong autoimmune component. Currently, the major challenge in IC treatment is the development of effective therapies. RDP58 is a novel d-amino acid decapeptide with potent immunosuppressive activity. In this study, we investigated whether RDP58 was effective as an intravesical agent for treating bladder autoimmune inflammation in a transgenic mouse model (URO-OVA mice). URO-OVA mice were adoptively transferred with syngeneic activated splenocytes of OT-I mice transgenic for the OVA-specific CD8(+) TCR for cystitis induction and treated intravesically with RDP58 at days 0 and 3. Compared with controls, the RDP58-treated bladders showed markedly reduced histopathology and expressions of mRNAs and proteins of TNF-alpha, NGF and substance P. To determine whether the inhibition of bladder inflammation by RDP58 was due to the interference with effector T cells, we treated the cells with RDP58 in vitro. Cells treated with RDP58 showed reduced production of TNF-alpha and IFN-gamma as well as apoptotic death. Collectively, these results indicate that RDP58 is effective for treating T cell-mediated experimental autoimmune cystitis and may serve as a useful intravesical agent for the treatment of autoimmune-associated bladder inflammation such as IC.
journal_name
J Autoimmunjournal_title
Journal of autoimmunityauthors
Liu W,Deyoung BR,Chen X,Evanoff DP,Luo Ydoi
10.1016/j.jaut.2007.10.005subject
Has Abstractpub_date
2008-06-01 00:00:00pages
257-65issue
4eissn
0896-8411issn
1095-9157pii
S0896-8411(07)00122-9journal_volume
30pub_type
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1016/j.jaut.2018.07.002
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pub_type: 杂志文章
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journal_title:Journal of autoimmunity
pub_type: 杂志文章
doi:10.1006/jaut.1996.0084
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