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학술저널
저자정보
Bo-Gyu Kim (Gyeongsang National University Hospital) Hoon Sik Choi (Gyeongsang National University Changwon Hospital) Yong-ho Choe (Gyeongsang National University Hospital) Hyun Min Jeon (Gyeongsang National University Hospital) Ji Yeon Heo (Gyeongsang National University Hospital) Yun-Hong Cheon (Gyeongsang National University Hospital) Ki Mun Kang (Gyeongsang National University Changwon Hospital) Sang-Il Lee (Gyeongsang National University Hospital) Bae Kwon Jeong (Gyeongsang National University) Mingyo Kim (Gyeongsang National University Hospital)
저널정보
대한면역학회 Immune Network Immune Network Vol.24 No.4
발행연도
2024.8
수록면
86 - 98 (13page)

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Low-dose radiotherapy (LDRT) has been explored as a treatment option for various inflammatory diseases; however, its application in the context of rheumatoid arthritis (RA) is lacking. This study aimed to elucidate the mechanism underlying LDRT-based treatment for RA and standardize it. LDRT reduced the total numbers of immune cells, but increased the apoptotic CD4<sup>+</sup> T and B220<sup>+</sup> B cells, in the draining lymph nodes of collagen induced arthritis and K/BxN models. In addition, it significantly reduced the severity of various pathological manifestations, including bone destruction, cartilage erosion, and swelling of hind limb ankle. Post-LDRT, the proportion of apoptotic CD4<sup>+</sup> T and CD19<sup>+</sup> B cells increased significantly in the PBMCs derived from human patients with RA. LDRT showed a similar effect in fibroblast-like synoviocytes as well. In conclusion, we report that LDRT induces apoptosis in immune cells and fibro-blast-like synoviocytes, contributing to attenuation of arthritis.

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ABSTRACT
INTRODUCTION
MATERIALS AND METHODS
RESULTS
DISCUSSION
REFERENCES

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