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Steroid induced secondary immune deficiency
Ann Allergy Asthma Immunol. 2023 Jan 18:S1081-1206(23)00011-X. doi: 10.1016/j.anai.2023.01.010. Online ahead of print.ABSTRACTDespite their widespread clinical use, oral corticosteroids (OCSs) are well known to be associated with a myriad of adverse effects, including immunosuppression. By inhibiting transcription factors and affecting leukocyte function, prolonged OCS use leads to significant CD4 lymphopenia, and also often leads to a decrease in serum IgG. Conversely, OCS use has minimal impact on circulating B cell, serum IgM, or serum IgA levels. Although there is a paucity of literature, individuals treated with prolo...
Source: Annals of Allergy, Asthma and Immunology - January 21, 2023 Category: Allergy & Immunology Authors: S Shahzad Mustafa Source Type: research

Science ’s 2022 Breakthrough of the Year: A telescope’s golden eye sees the universe anew
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Source: ScienceNOW - December 15, 2022 Category: Science Source Type: news

CDC Authorizes Boosters of Moderna and Johnson & Johnson COVID-19 Vaccines
Dr. Rochelle Walensky, director of the Centers for Disease Control and Prevention (CDC), authorized booster doses of COVID-19 vaccines for certain groups. Walensky followed the advice of a CDC expert panel, which recommended the boosters in in two unanimous votes earlier in the day. The 15-member Advisory Committee on Immunization Practices (ACIP) advised that anyone who was initially vaccinated with the Moderna shot get a booster at least six months later, and that J&J-Janssen recipients receive a booster at least two months after their initial vaccination. The endorsement follows a similar decision from the Food and ...
Source: TIME: Health - October 21, 2021 Category: Consumer Health News Authors: Alice Park Tags: Uncategorized COVID-19 Source Type: news

CDC Authorizes Boosters of Moderna and Johnson & Johnson COVID-19 Vaccines
Dr. Rochelle Walensky, director of the Centers for Disease Control and Prevention (CDC), authorized booster doses of COVID-19 vaccines for certain groups. Walensky followed the advice of a CDC expert panel, which recommended the boosters in in two unanimous votes earlier in the day. The 15-member Advisory Committee on Immunization Practices (ACIP) advised that anyone who was initially vaccinated with the Moderna shot get a booster at least six months later, and that J&J-Janssen recipients receive a booster at least two months after their initial vaccination. The endorsement follows a similar decision from the Food and ...
Source: TIME: Health - October 21, 2021 Category: Consumer Health News Authors: Alice Park Tags: Uncategorized COVID-19 Source Type: news

Development of passive immunity against SARS-CoV-2 for management of immunodeficient patients —a perspective
The recent coronavirus disease 2019 (COVID-19) pandemic raises serious concerns about potential prophylaxis and therapy in a naive population, particularly in patients with primary or secondary immunodeficiencies. The former mainly includes patients with defects in T-cell –mediated immunity and, to a lesser extent, those with antibody deficiencies and immune dysregulation. The latter includes patients undergoing therapy with immunosuppressive drugs, such as stem cell transplanted patients. In addition, patients with B-cell malignancies and autoimmune disorders trea ted with selected forms of targeted therapy (such as ant...
Source: Journal of Allergy and Clinical Immunology - May 11, 2020 Category: Allergy & Immunology Authors: Lennart Hammarstr öm, Hassan Abolhassani, Fausto Baldanti, Harold Marcotte, Qiang Pan-Hammarström Tags: Editorial Source Type: research

From “Serum Sickness” to “Xenosialitis”: Past, Present, and Future Significance of the Non-human Sialic Acid Neu5Gc
Conclusions and Perspectives In this review, we have discussed important milestones from the early description of “Serum-sickness” as being due to antibodies directed against Neu5Gc epitopes all the way to the present-day therapeutic implications of these antibodies in cancer therapy. Some of these milestones have been represented in a concise timeline (Figure 6). While the “Xenosialitis” hypothesis is well-supported in the human-like mouse models, it has yet to be conclusively proven in humans. It remains to be seen if “Xenosialitis” plays a role in other uniquely-human dis...
Source: Frontiers in Immunology - April 16, 2019 Category: Allergy & Immunology Source Type: research