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Lesly Calderón

@lesly-calderon

Group leader @Institute of Allergy Research @HelmholtzMunich || Interested in lymphocyte development, B-cell-mediated responses, molecular immunology || #LatinasinSTEM🇨🇺

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25.01.2026
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Latest posts by Lesly Calderón @lesly-calderon

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In vivo CRISPR/Cas9 screens identify new regulators of B cell activation and plasma cell differentiation. New study from Lesly Calderón @lesly-calderon.bsky.social, Meinrad Busslinger and colleagues @impvienna.bsky.social: rupress.org/jem/article/...

#Hematopoiesis

04.02.2026 14:15 👍 7 🔁 1 💬 0 📌 0
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The multilayered identity of B cell memory - Cellular & Molecular Immunology Cellular & Molecular Immunology - The multilayered identity of B cell memory

In this review we discuss our current understanding of how the diversity, maintenance, and function of the heterogeneous memory B cell compartment are shaped by the past and present ‘experiences’ of the individual cells that comprise it.

www.nature.com/articles/s41...

06.01.2026 12:20 👍 10 🔁 1 💬 0 📌 0
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Plasma cells are the immune system’s antibody factories, producing the molecules that protect us after infection or vaccination. They originate from B cell. Yet how B cells make the switch to become plasma cells—and which genes control this transition—isn’t known.

Researchers from the lab of

29.01.2026 08:20 👍 5 🔁 1 💬 1 📌 0

A huge thank you to the fantastic facilities at the IMP Vienna @impvienna.bsky.social and the Vienna Biocenter for their support!!

29.01.2026 10:28 👍 0 🔁 0 💬 0 📌 0

Our work is the result of a wonderful collaboration between the Meinrad Busslinger lab, with its B cell expertise, and the Johannes Zuber lab, leaders in CRISPR/Cas9 screens.

29.01.2026 10:28 👍 1 🔁 0 💬 1 📌 0

Congratulations and many thanks to all authors!!! Markus Schäfer, Marina Rončević (@Helmholtz Munich), Rene Rauschmeier, Markus Jaritz, Tanja Schwickert, Sun Qiong, Andrea Pauli, Johannes Zuber and Meinrad Busslinger!!!

29.01.2026 10:28 👍 1 🔁 0 💬 1 📌 0

Our manuscript "In vivo CRISPR/Cas9 screens identify new regulators of B cell activation and plasma cell differentiation" was just published in the @jem.org, @rupress.org!!!

29.01.2026 10:28 👍 5 🔁 3 💬 1 📌 0
Studying immune cell fate inside the body of mice with CRISPR Plasma cells are the immune system’s antibody factories, but how B cells make the switch to become plasma cells has remained unclear. By developing a new in vivo CRISPR screening strategy, researchers...

More: www.imp.ac.at/news/article...

29.01.2026 08:44 👍 5 🔁 1 💬 0 📌 0
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In vivo CRISPR/Cas9 screens identify new regulators of B cell activation and plasma cell differentiation | Journal of Experimental Medicine | Rockefeller University Press

https://rupress.org/jem/article/223/3/e20250594/281445/In-vivo-CRISPR-Cas9-screens-identify-new

29.01.2026 08:20 👍 3 🔁 1 💬 1 📌 0
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Plasma cells are the immune system’s antibody factories, and they originate from B-cells.

Researchers from our Busslinger lab developed a new CRISPR screening method to find the genes that control this transition inside living mice:

29.01.2026 08:20 👍 5 🔁 3 💬 1 📌 0
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In @jem.org, @lesly-calderon.bsky.social et al. @impvienna.bsky.social describe an in vivo #CRISPR/Cas9 screening system for identifying novel regulators of B cell activation and plasma cell development in the context of the splenic microenvironment of immunized mice. rupress.org/jem/article/...

28.01.2026 18:45 👍 3 🔁 1 💬 0 📌 0

Congratulations and many thanks to all authors!!! Markus Schäfer, Marina Rončević (Helmholtz Munich), Rene Rauschmeier, Markus Jaritz, Tanja Schwickert, Sun Qiong, Andrea Pauli, Johannes Zuber and Meinrad Busslinger!!!

29.01.2026 10:21 👍 0 🔁 0 💬 0 📌 0