A human IgM enriched immunoglobulin preparation, Pentaglobin, reverses autoimmune diabetes without immune suppression in NOD mice.

A human IgM enriched immunoglobulin preparation, Pentaglobin, reverses autoimmune diabetes without immune suppression in NOD mice.
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富含人IgM的免疫球蛋白制剂Pentaglobin在NOD小鼠中逆转自身免疫性糖尿病而无免疫抑制。

DOI:
10.1038/s41598-022-15676-8
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发表时间:
2022-07-11
期刊:
影响因子:
4.6
通讯作者:
Moore, Daniel J.
Moore, Daniel J.
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Wilson, Christopher S.;Hoopes, Emilee M.;Falk, Alexander C.;Moore, Daniel J.

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健康个体的免疫系统能够通过多种机制调节自身免疫。在1型糖尿病(T1D)中,我们最近发现天然IgM虽然存在于正常水平,但无法发挥正常的免疫调节功能。用健康供体的IgM治疗糖尿病小鼠导致疾病逆转而没有免疫消耗。为了研究IgM人制剂的治疗潜力,我们使用了一种富含IgM的免疫球蛋白五血红蛋白制剂。五血红蛋白治疗可逆转糖尿病NOD小鼠的疾病,并提高CD4 + Foxp3 + Tregs。重要的是,五血红蛋白对免疫系统的影响仅限于抑制β细胞破坏,而不是免疫消耗,也不会抑制对无关抗原的免疫反应。这些发现表明,在保持保护性免疫完全完整的情况下,T1D的有害自身免疫可能受到抑制。
The immune system of healthy individuals is capable of regulating autoimmunity through multiple mechanisms. In Type 1 Diabetes (T1D) we recently discovered natural IgM, although present at normal levels, is unable to perform its normal immunoregulatory function. Treating diabetic mice with IgM from healthy donors led to reversal of disease without immune depletion. To investigate the therapeutic potential of a human preparation of IgM, we administered an IgM-enriched preparation of immunoglobulin called Pentaglobin. Administration of Pentaglobin therapy reversed disease in diabetic NOD mice and boosted CD4 + Foxp3 + Tregs. Importantly, the impact of Pentaglobin on the immune system was limited to inhibiting beta cell destruction but was not immune depleting nor did it inhibit the immunization response to an irrelevant antigen. These findings indicate that inhibition of deleterious autoimmunity in T1D is possible while leaving protective immunity fully intact.
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