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BaumjohannLab

@baumjohannlab.bsky.social
2.4K followers 924 following 30 posts

Research on T and B cells in immunity and autoimmunity in the lab of Dirk Baumjohann at University Hospital Bonn & Cluster of Excellence ImmunoSensation @immunosens.bsky.social #TfhCells #GCs #ImmuneOrganoids BaumjohannLab.de

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BaumjohannLab @baumjohannlab.bsky.social · 06/10/2026
Looking forward to today‘s EFIS-IL TCCE T cell online seminar! @efis-immunology.bsky.social
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EFIS_Immunology @efis-immunology.bsky.social · 06/10/2026
📣 T Cell Connect Europe – Online Immunology Lecture Series kicking off after summer break TODAY! 📅 Oct 6th at 17:00 🎙️ Presenters: Taras Kreslavskiy from Karolinska Institute and Dietmar Herndler-Brandstetter from Medical University of Vienna. 🔗 For more information and zoom link: www.t-cells.eu
t-cells.eu
T-Cell Connect Europe
EFIS-IL study group T CELL CONNECT EUROPE (TCC_EUROPE)
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Waggoner Lab @labwaggoner.bsky.social · 07/07/2026
IL-6-induced C/EBPα drives follicular regulatory T cell differentiation to regulate humoral immunity in mice @natcomms.nature.com www.nature.com/articles/s41...
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Waggoner Lab @labwaggoner.bsky.social · 25/06/2026
TGF-β and IL-2 differentially shape T follicular regulatory cell differentiation and stability in vitro www.nature.com/articles/s41...
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BaumjohannLab @baumjohannlab.bsky.social · 25/06/2026
Super excited to see our newest study on in vitro-generated Tfr cells published in Cellular & Molecular Immunology. Check it out for free: www.nature.com/articles/s41.... Fantastic work by first-author Luisa Bach and our colleagues & collaborators. @immunosens.bsky.social @unibonn.bsky.social
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Marion Pepper @marionpepper.bsky.social · 11/06/2026
A decade ago we showed that T-dependent IgM+ memory B cells (MBCs) that express CD80 and CD73 rapidly respond to a secondary Plasmodium infection (Krishnamurty, Immunity, 2016). Since then, post-doc Gretchen Harms Pritchard has been working out the cues that lead to the formation of these cells. ⤵️
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Immunity @cp-immunity.bsky.social · 12/06/2026
dlvr.it
Tumor-draining lymph nodes in ovarian cancer lack germinal centers but harbor tumor-reactive memory B cells clonally linked to intra-tumoral B cells
B cell infiltration in high-grade serous ovarian cancer associates with favorable prognosis. Nathan et al. show that tumor-draining lymph nodes in patients lack active germinal center responses and instead harbor quiescent tumor-reactive memory B cells clonally linked to tumor B cells, highlighting lymph nodes as memory reservoirs supporting intra-tumoral immunity.
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Journal of Experimental Medicine @jem.org · 08/06/2026
Schroeder, Zhu, Xia, and Hu show that, depending on the immunization route, location, and antigen dose, BACH2 exerts bidirectional regulation on the differentiation of CXCR5− versus CXCR5⁺ CD4⁺ T cells, orchestrating systemic immunity throughout the body. rupress.org/jem/article/...
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Waggoner Lab @labwaggoner.bsky.social · 27/05/2026
Tumor-draining lymph nodes lack active germinal centers and instead harbor quiescent tumor-reactive memory B cells, serving as memory reservoirs supporting intra-tumoral immunity @cp-immunity.bsky.social www.cell.com/immunity/ful... @zivshulman.bsky.social @weizmanninstitute.bsky.social
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EFIS_Immunology @efis-immunology.bsky.social · 12/05/2026
📣EFIS - Immunology Letters Study Group “T Cell Connect Europe” Monthly Immunology Lecture Series focusing on #Tcellbiology and T cell-mediated immunity! 💡Two 25 minute lectures + 10 minutes discussion 📅Next lecture: June 2, 2026. 🎙️Presenters: Axel Kallies & Adrian Hayday. 🔗 www.t-cells.eu
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BaumjohannLab @baumjohannlab.bsky.social · 07/04/2026
Looking forward to two exciting talks by Massimiliano Pagani (Milan) and Daniela Latorre @lablatorre.bsky.social (Milan) in the @efis-immunology.bsky.social EFIS-IL study group T-Cell Connect Europe online lecture series TODAY at 5pm CET. Details: www.t-cells.eu
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Deutsche Gesellschaft für Immunologie e.V. (DGfI) @dgfi-org.bsky.social · 31/03/2026
🧭 ... two weeks left to submit your abstracts for the 55th Annual Meeting of the German Society for Immunology www.immunology-conference.de/scientific-p... All accepted abstracts will be published in the @eurjimmunol.bsky.social @efis-immunology.bsky.social @dgfi-yi.bsky.social
Poster: Just two weeks left to submit your abstracts for the 55th Annual Meeting of the German Society for Immunology on 15–18 September 2026 in Munich at the TUM. Submit an abstract: https://www.immunology-conference.de/scientific-program/abstracts/
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Journal of Experimental Medicine @jem.org · 31/03/2026
In this review, Adam, Suhail, Kuchroo, and Vignali highlight the challenges and novel approaches to developing agonistic inhibitory receptor (IR)-targeted therapies to treat #autoimmunity and inflammatory disorders. rupress.org/jem/article/... #CancerFocus #LymphocyteBiology
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Waggoner Lab @labwaggoner.bsky.social · 31/03/2026
Perinatal infection elicits clonally restricted T follicular helper cell responses that drive antibody-mediated viral control @cp-immunity.bsky.social @unibas.ch www.cell.com/immunity/ful...
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Deutsche Gesellschaft für Immunologie e.V. (DGfI) @dgfi-org.bsky.social · 25/03/2026
Ettal 💐 Spring School 2026: Deep Dives into Current Concepts in Immunology #dgfispringschool 30 leading speakers and 63 participants from nine countries explored cutting edge immunology. @efis-immunology.bsky.social @yefis-immunology.bsky.social @drfzberlin.bsky.social @dgfi-yi.bsky.social
Ettal 💐 Spring School 2026: Deep Dives into Current Concepts in Immunology Hashtag#dgfispringschool
During a week long, intensive course in Ettal, Bavaria, 30 leading speakers and 63 participants from nine countries explored cutting edge immunology. 
Through lectures by leading scientists, aspiring young researchers gained deep insight into both innate and adaptive immunity, exploring how NK cells, neutrophils, macrophages, dendritic cells, T cells and B cells defend against pathogens and tumors while shaping immune memory. The talks covered immune regulation, autoimmunity, immunometabolism, complement, innate memory plasticity, cancer reprogramming, and the effects of extreme space conditions, offering therapeutic insights for autoimmune disease and cancer.
Industry partners shared translational insights and practical guidance. Participants benefited from quick “speed dating” panels and poster sessions, sparking idea exchanges and future collaborations.
We thank all speakers, participants, and industrial sponsors for making the event a success and look forward to the next Spring School, scheduled for March 8-12, 2027.
Ettal 💐 Spring School 2026: Deep Dives into Current Concepts in Immunology #dgfispringschool
During a week long, intensive course in Ettal, Bavaria, 30 leading speakers and 63 participants from nine countries explored cutting edge immunology. 
Through lectures by leading scientists, aspiring young researchers gained deep insight into both innate and adaptive immunity, exploring how NK cells, neutrophils, macrophages, dendritic cells, T cells and B cells defend against pathogens and tumors while shaping immune memory. The talks covered immune regulation, autoimmunity, immunometabolism, complement, innate memory plasticity, cancer reprogramming, and the effects of extreme space conditions, offering therapeutic insights for autoimmune disease and cancer.
Industry partners shared translational insights and practical guidance. Participants benefited from quick “speed dating” panels and poster sessions, sparking idea exchanges and future collaborations.
We thank all speakers, participants, and industrial sponsors for making the event a success and look forward to the next Spring School, scheduled for March 8-12, 2027.
Ettal 💐 Spring School 2026: Deep Dives into Current Concepts in Immunology #dgfispringschool 30 leading speakers and 63 participants from nine countries explored cutting edge immunology. Ettal 💐 Spring School 2026: Deep Dives into Current Concepts in Immunology #dgfispringschool 30 leading speakers and 63 participants from nine countries explored cutting edge immunology.
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BaumjohannLab @baumjohannlab.bsky.social · 19/03/2026
I had an absolutely fantastic time at the 21st @dgfi-org.bsky.social Spring School in Ettal, Bavaria, Germany. It was a true pleasure discussing with the incredibly talented students and postdocs. Thank you to the organizers for the kind invitation and the superb organization! #dgfispringschool
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Thiago Carvalho @cyrilpedia.bsky.social · 13/03/2026
I'd like to see this problem analysed at the single cell multi-omics level 'Advances in research technolo- gies are crucial for the scientific enterprise but have an unintended consequence: when pow- erful techniques become widely available, they tend to be applied without a good question in mind.'
nature.com
On the balance of knowledge - Nature Reviews Immunology
Ruslan Medzhitov shares his thoughts on the balance between generating data and developing theories in immunology, with a focus on exploring the rules that govern complex systems.
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Universität Bonn @unibonn.bsky.social · 11/03/2026
Great news—We remain the most successful German University of Excellence! With eight Clusters of Excellence and funding secured until 2033, we’re moving closer to our goal of establishing our Uni permanently among the best universities in the world: www.uni-bonn.de/en/news/040-... © VL/Uni Bonn
Most successful University of Excellence - In the atrium of the rectorate building, University members watched with bated breath as the decision on excellence was announced.Most successful University of Excellence - Rector Hoch, together with the Rectorate and hundreds of guests, burst into cheers when the decision was announced.
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BaumjohannLab @baumjohannlab.bsky.social · 03/03/2026
Looking forward to two exciting talks by Jens Geginat (Milan) and Ralf Schmidt (Vienna) in the @efis-immunology.bsky.social EFIS-IL study group T-Cell Connect Europe online lecture series TODAY at 5pm CET. Details: www.t-cells.eu
t-cells.eu
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Iannacone Lab @iannaconelab.bsky.social · 01/03/2026
Excited to organize @keystoneSymposia.bsky.social Tissue and Spatial Immunology with @leilaakkari.bsky.social and Hai Qi in February 2027! Join us to explore emerging research in Banff! keysym.us/KSSpatialImmune27 #KSSpatialImmune27
keysym.us
Tissue and Spatial Immunology | Keystone Symposia
Join us at the Keystone Symposia on Tissue and Spatial Immunology, February 2027, in Banff, with field leaders!
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Michelle Linterman @linterman.bsky.social · 25/02/2026
Our workflow to image and analyse germinal centres using a 50-plex cyclic staining protocol now out. Work led by Isabel San Martín Molina & Edith Marcial Juárez with @babrahaminst.bsky.social imaging facility scientists Simon Walker & Hanneke Okkenhaug. onlinelibrary.wiley.com/doi/10.1002/...
onlinelibrary.wiley.com
Spatial Profiling of Germinal Centers in Mouse Secondary Lymphoid Organs Using MACSima Imaging Cyclic Staining Technology
We developed a 50-plex imaging protocol using the MACSima platform to characterize the microarchitecture of germinal centers in secondary lymphoid tissues. This workflow combines tissue processing, a...
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Michelle Linterman @linterman.bsky.social · 26/01/2026
Ever wondered what happens if you remove Tfh cells from established germinal centres?
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Roychoudhuri Lab @roychoudhurilab.bsky.social · 16/01/2026
Thrilled to share our latest work: Fine-tuning BACH2 dosage balances stemness and effector function to enhance antitumor T cell therapy - now online in Nature Immunology. Led by Alberto Conti, Alex Evans and Teresa von Linde in the lab. www.nature.com/articles/s41...
Fine-tuning BACH2 dosage balances stemness and effector function to enhance antitumor T cell therapy
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Isabel Stötzel @isabel-stoetzel.bsky.social · 15/01/2026
Finally, my PhD project is published! 🎉 I am thankful to all the collaborators who made this possible! www.nature.com/articles/s41... @natcomms.nature.com #dendriticcells #immunesynapse #centrosome
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BaumjohannLab @baumjohannlab.bsky.social · 06/01/2026
Looking forward to two exciting talks by @carovinuesa.bsky.social and Dirk Elewaut in the EFIS-IL study group T-Cell Connect Europe online lecture series TODAY at 5pm CET t-cells.eu
t-cells.eu
T-Cell Connect Europe
EFIS-IL study group T CELL CONNECT EUROPE (TCC_EUROPE)
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Waggoner Lab @labwaggoner.bsky.social · 16/12/2025
@biorxivpreprint.bsky.social Dysregulated localization of Tfh and B cells in lymph nodes of Idiopathic multicentric Castleman disease patients www.biorxiv.org/content/10.6... @davidfajgenbaum.bsky.social
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Fabian Theis @fabiantheis.bsky.social · 15/12/2025
🚀 New preprint! The Human Cytokine Dictionary - 9.7M cells, 12 donors, 90 cytokines - our largest human single-cell perturbation atlas yet. Users can map cytokine activity in their own data. Huge thanks to Lukas, Sören, Larsen, Parse Bio & Seelig lab! 🔗 www.biorxiv.org/content/10.6...
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yEFIS @yefis-immunology.bsky.social · 10/12/2025
🎉 The new yEFIS website is now live! 🌐 We’re happy to share that our new website is officially online, check it out 👉https://www.yefis.org/
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Waggoner Lab @labwaggoner.bsky.social · 06/12/2025
@biorxivpreprint.bsky.social Access to germinal center IL-4 microniches drives tissue-divergence of IgE memory responses www.biorxiv.org/content/10.6...
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Waggoner Lab @labwaggoner.bsky.social · 06/12/2025
@biorxivpreprint.bsky.social BCL6 is required for the development of functionally responsive IgM+ GC-independent Memory B Cells @marionpepper.bsky.social www.biorxiv.org/content/10.1...
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Cluster of Excellence ImmunoSensation @immunosens.bsky.social · 20/11/2025
The Cluster Science Days 2025 were a very joyful event bringing together our Bonn scientists to share ideas and to network. During the event the Cluster participants could enjoy talks, interactive poster sessions and a fun evening program in a comfortable atmosphere fostering scientific exchange.
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Waggoner Lab @labwaggoner.bsky.social · 18/11/2025
@natrevimmunol.nature.com Guidelines for T cell nomenclature www.nature.com/articles/s41...
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Christoph Bock Lab @ CeMM & MedUni Vienna @bocklab.bsky.social · 11/11/2025
🗨️ Just published in Nature Biotechnology: Our CellWhisperer AI enables chat-based analysis of single-cell sequencing data. You can talk to your cells & figure out the biology without writing any computer code. Paper here: www.nature.com/articles/s41.... Annotated walkthrough in a thread below (1/11)
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International Union of Immunological Societies @iuis-online.bsky.social · 11/11/2025
Registration is open for the Spring School on Immunology, hosted by DGfI March 15–20, 2026 | Ettal, Bavaria 🎓 An intensive training course for PhDs, postdocs & clinician scientists Apply by 15 Nov 2025 → loom.ly/LxBXUfI @dgfi-org.bsky.social
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Nature Reviews Bioengineering @natrevbioeng.nature.com · 04/11/2025
ICYMI: Engineering and biofabrication of early cancer models
nature.com
Engineering and biofabrication of early cancer models
Nature Reviews Bioengineering, Published online: 03 November 2025; doi:10.1038/s44222-025-00371-wEarly cancer biology and detection research is limited owing to a lack of clinical samples from pre-malignant and early-stage tumours. This Review discusses engineered in vitro systems that mimic early disease stages to investigate tumour progression and identify biomarkers for early cancer detection.
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Waggoner Lab @labwaggoner.bsky.social · 06/11/2025
@biorxivpreprint.bsky.social Lymphatic constraint of germinal centers optimizes protective antibody responses www.biorxiv.org/content/10.1... @thelundlab.bsky.social @nyulangone.bsky.social @carlanowosad.bsky.social
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Lennard Ostendorf @lostendorf.bsky.social · 05/11/2025
What mechanisms drive checkpoint inhibitor-associated interstitial nephritis (ICI-AIN)? In our preprint, we identify CD8 T cells as a central player, inducing a proinflammatory myeloid cell state by IFNg and structuring lymphoid aggregates by CXCL13. www.biorxiv.org/content/10.1... 1/n #Nephsky 🧪
CD8 T cells produce IFNg and CXCL13 in TLS
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Emmanuel Saliba @emmanuel-saliba.bsky.social · 27/10/2025
🚨 A fantastic opportunity to join HIRI to start your research group on RNA Biology 👇 www.nature.com/naturecareer...
nature.com
Junior Group Leader for RNA-Biology, RNA-Technology or RNA-Medicine (f/m/d) - Würzburg (Stadt), Bayern (DE) job with Helmholtz-Institut für RNA-basierte Infektionsforschung (HIRI) | 12844907
#RNAexcellence Junior Group Leader Positions (f/m/d) Job advertisement no.:   089/2025 Starting date:                  As soon as possible. The con...
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Journal of Experimental Medicine @jem.org · 21/10/2025
Arai, Kawakami, Sakaguchi (2025 #Nobel laureate) and colleagues show that oral antigen exposure combined with CD28 costimulation blockade generates functionally stable antigen-specific CD101⁺ pTreg cells even in previously antigen-sensitized hosts. rupress.org/jem/article/...
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Helmholtz Institute Würzburg @helmholtz-hiri.bsky.social · 13/10/2025
Looking to start your own lab? 🧬🧪 The Helmholtz Institute Würzburg (HIRI) is offering group leader positions in RNA biology, RNA medicine & RNA technology. Apply by October 31 at www.helmholtz-hiri.de/en/jobs-tale...
helmholtz-hiri.de
E15 Groups
The Helmholtz Institute for RNA-based Infection Researchopens a call for
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Marion Pepper @marionpepper.bsky.social · 10/10/2025
Asthma is a chronic disease characterized by acute, intermittent, recurrent episodes of airway inflammation. A decade of work developing the tools, techniques and collaborations needed to figure out how CD4+ T cells in the lungs propagate disease can be found here: www.biorxiv.org/content/10.1...
biorxiv.org
Tertiary lymphoid structures support the development of allergen-specific progenitor CD4+ T cells
Tissue-resident memory CD4+ T cells (TRM) are key sentinels of the adaptive immune response that provide a rapid, robust inflammatory response upon reactivation in non-lymphoid tissues. While CD4+ TRM...
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Max Delbrück Center @mdc-berlin.bsky.social · 09/10/2025
🚀 WE ARE HIRING 3️⃣ Independent Group Leaders for #mdcBerlin's new cutting-edge Bioengineering Cluster within our Biomedical Engineering Program. Lead cutting-edge research at the interface of biology, engineering, and medicine in Berlin. 👉 Apply now: www.mdc-berlin.de/career/jobs/...
Job announcement: The image has a solid dark blue background with a clean, minimal layout. In the top left corner, the word “JOBS” appears in all-capital red sans-serif text. Below, large white sans-serif text spans several lines and reads: “Three Independent Group Leaders in Bioengineering Approaches to Human Health m/f/d.” Near the bottom left, smaller white sans-serif text reads: “Apply by November 16, 2025,” followed by “Max Delbrück Center (Berlin-Buch)” in lighter gray. In the bottom right corner is the Max Delbrück Center logo in white and blue.
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Joanna Groom @groomlab.bsky.social · 09/10/2025
Thanks @10xgenomics.bsky.social for the shout out and for making your data publicly available Why waste precious resources ($$) to reinvent data that already exists? Cool human datasets ready to go (Although now we have scratched the spatial itch, we may need to do more @chinweetan.bsky.social 🤔)
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Waggoner Lab @labwaggoner.bsky.social · 08/10/2025
Temporal and context-dependent requirements for the transcription factor Foxp3 expression in regulatory T cells @natimmunol.nature.com @yuripritykin.bsky.social Rudensky @princetonupress.bsky.social @mskcancercenter.bsky.social www.nature.com/articles/s41...
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Adrian Liston @labliston.bsky.social · 06/10/2025
A small primer on the #NobelPrize awarded to Mary E. Brunkow, Fred Ramsdell and Shimon Sakaguchi today. This prize was for combining two separate fields of immunology research - genetic research on IPEX and immunology research of regulatory T cells (#Tregs), with enormous impact on biology/medicine
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Marc Veldhoen @marcveld.bsky.social · 06/10/2025
The Nobel Assembly at Karolinska Institutet has decided to award the 2025 Nobel Prize in Physiology or Medicine to: Mary E. Brunkow, Fred Ramsdell, Shimon Sakaguchi “for their discoveries concerning peripheral immune tolerance”
nobelprize.org
The official website of the Nobel Prize - NobelPrize.org
The Nobel Prize rewards science, humanism and peace efforts. This is one of the central concepts in the will of Alfred Nobel, and it also permeates the outreach activities that have been developed for the purpose of engaging, inspiring and spreading knowledge about the Nobel Prize as well as the discoveries and achievements of the laureates.
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Nature @nature.com · 06/10/2025
BREAKING: The Nobel Prize in Physiology or Medicine has been awarded jointly to Mary E. Brunkow, Fred Ramsdell, and Shimon Sakaguchi "for their discoveries concerning peripheral immune tolerance" Stay tuned for more. #NobelPrize
A photo of a Nobel medal
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Kilian Schober @kischober.bsky.social · 03/10/2025
If the immune system is an army... ... would you rather rely on one “super warrior” — or on a diverse team of fighters, even if none of them is the single strongest? I’d go with the team. Why? Check out our new study, just published in Science Immunology: www.science.org/doi/10.1126/...
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Nik Joshi @joshilabyale.bsky.social · 02/10/2025
Happy to announce the publication using advanced models to understand how T cells mediate efficient immunoediting in early sarcomas. This was a collaboration between Julie Cheung and Brian Hunt in the lab Thanks to Cancer Cell for publishing our work. www.cell.com/cancer-cell/...
cell.com
Distinct T cell functions enable efficient immunoediting and prevent tumor emergence of developing sarcomas
Cheung et al. describe efficient T cell control of nascent neoantigen+ and nearby neoantigen-negative sarcoma cells, underlying a ∼50% reduction in tumor penetrance. This otherwise imperceptible immun...
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Waggoner Lab @labwaggoner.bsky.social · 01/10/2025
Amyotrophic lateral sclerosis is associated with autoimmune CD4 T cell recognition of C9orf72 & release of IL-5 and IL-10, w/ IL-10 correlating with longer survival www.nature.com/articles/s41... @nature.com @lji.org @settelab.bsky.social @columbiauniversity.bsky.social
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