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Case Report: Myxedema Coma Caused by Immunoglobulin A Vasculitis in a Patient With Severe Hypothyroidism
Myxedema coma is a critical disorder with high mortality rates. Disruption of the compensatory mechanism for severe and long-term hypothyroidism by various causes leads to critical conditions, including hypothermia, respiratory failure, circulatory failure, and central nervous system dysfunction. Infectious diseases, stroke, myocardial infarction, sedative drugs, and cold exposure are considered the main triggers for myxedema coma. A 59-year-old Japanese woman presented with bilateral painful purpura on her lower legs. She was diagnosed with coexisting immunoglobulin A (IgA) vasculitis and severe IgA vasculitis with nephri...
Source: Frontiers in Immunology - February 18, 2022 Category: Allergy & Immunology Source Type: research

Astragaloside IV ameliorates peripheral immunosuppression induced by cerebral ischemia through inhibiting HPA axis
This study investigated the effect of ASIV on cerebral ischemia-induced peripheral immunosuppression and the underlying mechanism in a mouse model of middle cerebral artery occlusion (MCAO). Our results showed that ASIV significantly prevented the atrophy of spleen and the reduction of splenic cell count. Meanwhile, ASIV preserved cell numbers of splenic NK, T, and B cells in the spleen. ASIV also suppressed apoptosis of splenic cells and preserved their proliferation ability. In addition, ASIV robustly reduced the mRNA expression of TNF-α, IL-1β, IL-6 and CRH in the hypothalamus, as well as the enlargement of adrenal gl...
Source: International Immunopharmacology - January 29, 2022 Category: Allergy & Immunology Authors: Yingxiang Zou Shichun Li Ting Chen Ziqing Li Xinyi Gao Zhifei Wang Source Type: research