Aijing Liu

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In systemic lupus erythematosus (SLE), the impairment in apoptosis can facilitate the initiation and maintenance of autoimmune responses to self antigens. Here we show that the adipocytokine leptin, which is abnormally elevated in SLE, promotes the survival and proliferation of autoreactive T-cells in mice with an autoreactive T-cell repertoire, including(More)
In systemic lupus erythematosus (SLE), the availability of self-antigen promotes and fuels self-reactive immune responses. Apoptotic cells represent a major source of self-antigens, and an impairment of the removal of apoptotic material containing self-antigen can contribute to the development of autoimmunity. To address whether the adipocytokine(More)
Leptin is an adipocytokine that plays a key role in the modulation of immune responses and the development and maintenance of inflammation. Circulating levels of leptin are elevated in systemic lupus erythematosus (SLE) patients, but it is not clear whether this association can reflect a direct influence of leptin on the propathogenic events that lead to(More)
To prevent autoimmunity, anergy of autoreactive B cells needs to be maintained, together with the suppression of hyperactive B cells. We previously reported that CD4(+)CD25(+)Foxp3(+) regulatory T cells (Tregs) can directly suppress autoantibody-producing autoreactive B cells in systemic lupus erythematosus. In this article, we show that Tregs can also(More)
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