DC-Based Immunotherapy Combined with Low-Dose Methotrexate Effective in the Treatment of Advanced CIA in Miceopen access
- Authors
- Park, Jun-Eui; Jang, Jinah; Choi, Ji-Hye; Kang, Mi-sun; Woo, Yun-Ju; Seong, Young-Rim; Choi, Chan-Bum; Lee, Hye-Soon; Bae, Sang-Cheol; Bae, Yong-Soo
- Issue Date
- Jun-2015
- Publisher
- HINDAWI LTD
- Citation
- JOURNAL OF IMMUNOLOGY RESEARCH, v.2015, pp.1 - 15
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF IMMUNOLOGY RESEARCH
- Volume
- 2015
- Start Page
- 1
- End Page
- 15
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/24956
- DOI
- 10.1155/2015/834085
- ISSN
- 2314-8861
- Abstract
- We have previously demonstrated that semimature dendritic cell- (smDC-) based immunotherapy is effective for the treatment of collagen-induced arthritis (CIA) prior to disease onset. In the present study, we examined the efficacy of combination therapy with smDCs and methotrexate (MTX) in advanced CIA with a score of 2-3. Combination therapy with low-dose MTX and type II collagen- (CII-) pulsed smDCs (CII-smDCs) was more effective in inhibiting disease progression than high or low-dose MTX alone or a combination of high dose MTX and CII-smDCs. The effect of CII-smDCs alone was also comparable to the combination therapy. CD4(+)Foxp3(+) Treg populations and IL-10 secretion markedly increased, and CII-specific autoreactive T cells decreased in mice treated with CII-smDCs alone or in combination with MTX. Combination therapy reduced the secretion of interferon-gamma (IFN-gamma) and IL-17 with little influence on the IL-4 secretion in the mixed leukocyte reaction. These results imply that the combination therapy with low-dose MTX and smDCs is effective in controlling advanced CIA by enhancing Treg population and suppresses antigen-specific Th1/Th17 immunity, rather than initiating Th1 to Th2 immune deviation. Our findings provide a better understanding of the DC therapy in combination with MTX for the treatment of patients with rheumatoid arthritis (RA).
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