alexa Differential roles of estrogen receptors α and β in control of B-cell maturation and selection.
Molecular Biology

Molecular Biology

Journal of Cell Science & Therapy

Author(s): Hill L, Jeganathan V, Chinnasamy P, Grimaldi C, Diamond B

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Abstract It is clear that estrogen can accelerate and exacerbate disease in some lupus-prone mouse strains. It also appears that estrogen can contribute to disease onset or flare in a subset of patients with lupus. We have previously shown estrogen alters B-cell development to decrease lymphopoiesis and increase the frequency of marginal zone B cells. Furthermore, estrogen diminishes B-cell receptor signaling and allows for the increased survival of high-affinity DNA-reactive B cells. Here, we analyze the contribution of estrogen receptor α or β engagement to the altered B-cell maturation and selection mediated by increased exposure to estrogen. We demonstrate that engagement of either estrogen receptor α or β can alter B-cell maturation, but only engagement of estrogen receptor α is a trigger for autoimmunity. Thus, maturation and selection are regulated differentially by estrogen. These observations have therapeutic implications.
This article was published in Mol Med and referenced in Journal of Cell Science & Therapy

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