User profiles for Birgit Sawitzki

Birgit Sawitzki

Verified email at charite.de
Cited by 14598

Cross-reactive CD4+ T cells enhance SARS-CoV-2 immune responses upon infection and vaccination

…, S Hippenstiel, A Hocke, MA Müller, B Sawitzki… - Science, 2021 - science.org
INTRODUCTION The clinical manifestations of COVID-19 vary from asymptomatic infection
to respiratory failure. Severe disease courses are primarily associated with advanced age, …

[PDF][PDF] Regulatory T cell specificity directs tolerance versus allergy against aeroantigens in humans

…, C Iwert, K Vogt, J Kollet, N Babel, B Sawitzki… - Cell, 2016 - cell.com
FOXP3+ regulatory T cells (Tregs) maintain tolerance against self-antigens and innocuous
environmental antigens. However, it is still unknown whether Treg-mediated tolerance is …

Regulatory cell therapy in kidney transplantation (The ONE Study): a harmonised design and analysis of seven non-randomised, single-arm, phase 1/2A trials

B Sawitzki, PN Harden, P Reinke, A Moreau… - The Lancet, 2020 - thelancet.com
Background Use of cell-based medicinal products (CBMPs) represents a state-of-the-art
approach for reducing general immunosuppression in organ transplantation. We tested multiple …

[PDF][PDF] Early IFN-α signatures and persistent dysfunction are distinguishing features of NK cells in severe COVID-19

…, P Stubbemann, F Kurth, LE Sander, B Sawitzki… - Immunity, 2021 - cell.com
Longitudinal analyses of the innate immune system, including the earliest time points, are
essential to understand the immunopathogenesis and clinical course of coronavirus disease (…

Cutting edge: immunological consequences and trafficking of human regulatory macrophages administered to renal transplant recipients

JA Hutchinson, P Riquelme, B Sawitzki… - The Journal of …, 2011 - journals.aai.org
Regulatory macrophages (M regs) were administered to two living-donor renal transplant
recipients. Both patients were minimized to low-dose tacrolimus monotherapy within 24 wk of …

[PDF][PDF] Severe COVID-19 is marked by a dysregulated myeloid cell compartment

…, AC Aschenbrenner, Y Li, J Nattermann, B Sawitzki… - Cell, 2020 - cell.com
Coronavirus disease 2019 (COVID-19) is a mild to moderate respiratory tract infection, however,
a subset of patients progress to severe disease and respiratory failure. The mechanism …

Erythropoietin is a paracrine mediator of ischemic tolerance in the brain: evidence from an in vitro model

…, M Karsch, N Isaev, D Megow, B Sawitzki… - Journal of …, 2002 - Soc Neuroscience
In an in vitro model of cerebral ischemia (oxygen glucose deprivation, OGD) we investigated
whether erythropoietin (EPO) plays a critical role in ischemic preconditioning. We found that …

[HTML][HTML] Development of a cross-platform biomarker signature to detect renal transplant tolerance in humans

P Sagoo, E Perucha, B Sawitzki… - The Journal of …, 2010 - Am Soc Clin Investig
Identifying transplant recipients in whom immunological tolerance is established or is developing
would allow an individually tailored approach to their posttransplantation management. …

[HTML][HTML] Pre-activated antiviral innate immunity in the upper airways controls early SARS-CoV-2 infection in children

…, B Timmermann, S Klages, M Ralser, B Sawitzki… - Nature …, 2022 - nature.com
Children have reduced severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
infection rates and a substantially lower risk for developing severe coronavirus disease 2019 …

Regulatory T cells for minimising immune suppression in kidney transplantation: phase I/IIa clinical trial

…, S Landwehr-Kenzel, K Juerchott, B Sawitzki… - bmj, 2020 - bmj.com
Objective To assess whether reshaping of the immune balance by infusion of autologous
natural regulatory T cells (nTregs) in patients after kidney transplantation is safe, feasible, and …