[HTML][HTML]Distinct developmental pathways from blood monocytes generate human lung macrophage diversity

…,Y Gao,D Sarhan, T Halle, C Sorini, RLepzien… - Immunity, 2021 - Elsevier
The study of human macrophages and their ontogeny is an important unresolved issue.
Here, we use a humanized mouse model expressing human cytokines to dissect the …

[HTML][HTML]Functional monocytic myeloid-derived suppressor cells increase in blood but not airways and predict COVID-19 severity

…, E Åhlberg,A Lin, RLepzien… - The Journal of …, 2021 - Am Soc Clin Investig
The immunopathology of coronavirus disease 2019 (COVID-19) remains enigmatic, causing
immunodysregulation and T cell lymphopenia. Monocytic myeloid-derived suppressor cells (…

Dendritic cells and monocytes with distinct inflammatory responses reside in lung mucosa of healthy humans

…, S Thomas, G Rankin, RLepzien… - The Journal of …, 2016 - Am Assoc Immnol
Every breath we take contains potentially harmful pathogens or allergens. Dendritic cells (DCs),
monocytes, and macrophages are essential in maintaining a delicate balance of …

Expanded lung T-bet+ RORγT+ CD4+ T-cells in sarcoidosis patients with a favourable disease phenotype

Y Kaiser, RLepzienS Kullberg…-欧洲人…, 2016 - Eur Respiratory Soc
Disease phenotypes of pulmonary sarcoidosis are distinguished by clinical rather than
immunological criteria. We aimed to characterise patterns of CD4 + T-cell lineage plasticity …

[HTML][HTML]Sarcoidosis exosomes stimulate monocytes to produce pro-inflammatory cytokines and CCL2

…,L Steiner, A Ibrahim, E Bandeira, RLepzien… - Scientific reports, 2020 - nature.com
Pulmonary sarcoidosis has unknown etiology, a difficult diagnostic procedure and no curative
treatment. Extracellular vesicles including exosomes are nano-sized entities released from …

Pulmonary and blood dendritic cells from sarcoidosis patients more potently induce IFNγ‐producing Th1 cells compared with monocytes

RLepzien, M Nie,P Czarnewski, S Liu… - Journal of leukocyte …, 2022 - Wiley Online Library
Sarcoidosis is a systemic inflammatory disease mainly affecting the lungs. The hallmark of
sarcoidosis are granulomas that are surrounded by activated T cells, likely targeting the …

Mapping mononuclear phagocytes in blood, lungs, and lymph nodes of sarcoidosis patients

RLepzien, G Rankin, J Pourazar… - Journal of leukocyte …, 2019 - Wiley Online Library
Sarcoidosis is a T‐cell driven inflammatory disease characterized by granuloma formation.
Mononuclear phagocytes (MNPs)—macrophages, monocytes, and dendritic cells (DCs)—are …

[HTML][HTML]Visualization of early influenza A virus trafficking in human dendritic cells using STED microscopy

F Baharom, OS Thomas, RLepzien,I Mellman… - PLoS …, 2017 - journals.plos.org
Influenza A viruses (IAV) primarily target respiratory epithelial cells, but can also replicate in
immune cells, including human dendritic cells (DCs). Super-resolution microscopy provides …

[HTML][HTML]Stabilization of blood for long-term storage can affect antibody-based recognition of cell surface markers

MH Silva, RLepzien,S Ols, B Dahlberg… - Journal of …, 2020 - Elsevier
Whole-blood fixation provides a rapid and simplified method for cell preservation compared
to isolation of peripheral blood mononuclear cells (PBMCs). This can be especially …

[HTML][HTML]Monocytes in sarcoidosis are potent tumour necrosis factor producers and predict disease outcome

RLepzien, S Liu,P Czarnewski, M Nie… - European …, 2021 - Eur Respiratory Soc
Background Pulmonary sarcoidosis is an inflammatory disease characterised by granuloma
formation and heterogeneous clinical outcome. Tumour necrosis factor (TNF) is a pro-…