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Updated: Aug 24, 2026
The bm12 Inducible Model of Systemic Lupus Erythematosus (SLE) in C57BL/6 Mice
Published on: November 1, 2015
Induction of systemic lupus erythematosus syndrome in BALB/c mice by immunization with active chromatin
Hong Li1, Yun-Yi Zhang, Ya-Nan Sun
1Department of Pharmacology, School of Pharmacy, Fudan University, Shanghai 200032, China.
Aim:
To establish an animal model for systemic lupus erythematosus (SLE)-like syndrome in mice.
Methods:
BALB/c mice were immunized with active chromatin isolated from ConA-activated syngeneic spleno-lymphocytes. Plasma samples of mice were tested by enzyme-linked immunosorbent assays (ELISA) for the presence of IgG anti-dsDNA, -ssDNA, and anti-histone antibodies. Tumor necrosis factor-alpha (TNF-alpha) in serum was measured by ELISA. Spleno-lymphocyte proliferation assays and the levels of interferon-gamma (IFN-gamma) in supernatants were tested respectively. Proteinuria was measured. Kidneys were examined by direct immunohistochemical method and light microscopy.
Results:
Anti-ds DNA, ssDNA, and histone antibodies were induced in active chromatin-immunized mice, the proliferation response of splenocytes to ConA and LPS were reduced, levels of interferon-gamma in supernatants and TNF-alpha in serum were lowered. Lupus nephritis was assessed by the presence of Ig deposits, glomerular pathology and proteinuria.
Conclusion:
The active chromatin-induced SLE-like mouse model was similar to idiopathic SLE in human.
