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Dysregulated PI3K Signaling in B Cells of CVID Patients.
Harder I, Münchhalfen M, Andrieux G, Boerries M, Grimbacher B, Eibel H, Maccari ME, Ehl S, Wienands J, Jellusova J, Warnatz K, Keller B. Harder I, et al. Cells. 2022 Jan 28;11(3):464. doi: 10.3390/cells11030464. Cells. 2022. PMID: 35159274 Free PMC article.
The expansion of human T-bethighCD21low B cells is T cell dependent.
Keller B, Strohmeier V, Harder I, Unger S, Payne KJ, Andrieux G, Boerries M, Felixberger PT, Landry JJM, Nieters A, Rensing-Ehl A, Salzer U, Frede N, Usadel S, Elling R, Speckmann C, Hainmann I, Ralph E, Gilmour K, Wentink MWJ, van der Burg M, Kuehn HS, Rosenzweig SD, Kölsch U, von Bernuth H, Kaiser-Labusch P, Gothe F, Hambleton S, Vlagea AD, Garcia Garcia A, Alsina L, Markelj G, Avcin T, Vasconcelos J, Guedes M, Ding JY, Ku CL, Shadur B, Avery DT, Venhoff N, Thiel J, Becker H, Erazo-Borrás L, Trujillo-Vargas CM, Franco JL, Fieschi C, Okada S, Gray PE, Uzel G, Casanova JL, Fliegauf M, Grimbacher B, Eibel H, Ehl S, Voll RE, Rizzi M, Stepensky P, Benes V, Ma CS, Bossen C, Tangye SG, Warnatz K. Keller B, et al. Among authors: harder i. Sci Immunol. 2021 Oct 15;6(64):eabh0891. doi: 10.1126/sciimmunol.abh0891. Epub 2021 Oct 8. Sci Immunol. 2021. PMID: 34623902
Interferon-Driven Immune Dysregulation in Common Variable Immunodeficiency-Associated Villous Atrophy and Norovirus Infection.
Strohmeier V, Andrieux G, Unger S, Pascual-Reguant A, Klocperk A, Seidl M, Marques OC, Eckert M, Gräwe K, Shabani M, von Spee-Mayer C, Friedmann D, Harder I, Gutenberger S, Keller B, Proietti M, Bulashevska A, Grimbacher B, Provaznik J, Benes V, Goldacker S, Schell C, Hauser AE, Boerries M, Hasselblatt P, Warnatz K. Strohmeier V, et al. Among authors: harder i. J Clin Immunol. 2023 Feb;43(2):371-390. doi: 10.1007/s10875-022-01379-2. Epub 2022 Oct 25. J Clin Immunol. 2023. PMID: 36282455 Free PMC article.
The Antigen Presenting Potential of CD21low B Cells.
Reincke ME, Payne KJ, Harder I, Strohmeier V, Voll RE, Warnatz K, Keller B. Reincke ME, et al. Among authors: harder i. Front Immunol. 2020 Oct 21;11:535784. doi: 10.3389/fimmu.2020.535784. eCollection 2020. Front Immunol. 2020. PMID: 33193306 Free PMC article. Clinical Trial.
Impaired polysaccharide responsiveness without agammaglobulinaemia in three patients with hypomorphic mutations in Bruton Tyrosine Kinase-No detection by newborn screening for primary immunodeficiencies.
Krüger R, Baumann U, Borte S, Kölsch U, Lorenz MR, Keller B, Harder I, Warnatz K, Ehl S, Schwarz K, Wahn V, von Bernuth H. Krüger R, et al. Among authors: harder i. Scand J Immunol. 2020 Jan;91(1):e12811. doi: 10.1111/sji.12811. Epub 2019 Oct 30. Scand J Immunol. 2020. PMID: 31378960 Free article.