Human carmil2 deficiency underlies a broader immunological and clinical phenotype than cd28 deficiency

Romain Lévy, Florian Gothe, Mana Momenilandi, Thomas Magg, Marie Materna, Philipp Peters, Johannes Raedler, Quentin Philippot, Anita Lena Rack-Hoch, David Langlais, Mathieu Bourgey, Anna Lisa Lanz, Masato Ogishi, Jérémie Rosain, Emmanuel Martin, Sylvain Latour, Natasha Vladikine, Marco Distefano, Taushif Khan, Franck RapaportMarian S. Schulz, Ursula Holzer, Anders Fasth, Georgios Sogkas, Carsten Speckmann, Arianna Troilo, Venetia Bigley, Anna Roppelt, Yael Dinur-Schejter, Ori Toker, Karen Helene Bronken Martinsen, Roya Sherkat, Ido Somekh, Raz Somech, Dror S. Shouval, Jörn Sven Kühl, Winnie Ip, Elizabeth M. McDermott, Lucy Cliffe, Ahmet Ozen, Safa Baris, Hemalatha G. Rangarajan, Emmanuelle Jouanguy, Anne Puel, Jacinta Bustamante, Marie Alexandra Alyanakian, Mathieu Fusaro, Yi Wang, Xiao Fei Kong, Aurélie Cobat, David Boutboul, Martin Castelle, Claire Aguilar, Olivier Hermine, Morgane Cheminant, Felipe Suarez, Alisan Yildiran, Aziz Bousfiha, Hamoud Al-Mousa, Fahad Alsohime, Deniz Cagdas, Roshini S. Abraham, Alan P. Knutsen, Borre Fevang, Sagar Bhattad, Ayca Kiykim, Baran Erman, Tugba Arikoglu, Ekrem Unal, Ashish Kumar, Christoph B. Geier, Ulrich Baumann, Bénédicte Neven, Meino Rohlfs, Christoph Walz, Laurent Abel, Bernard Malissen, Nico Marr, Christoph Klein, Jean Laurent Casanova, Fabian Hauck, Vivien Béziat, Julie Calas, Elizabeth Feuille, Angela Chan, Gozde Yesil, Justine Nammour, Élise Bandet, Capucine Picard, Ibtihal Benhsaien, Peter Lang, Faranaz Atschekzei, Klaus Warnatz, Sophie Hambleton, Mukesh Desai, Elif Karakoc-Aydiner, Burcu Kolukisa, Saleh Al-Muhsen, Mohammed F. Alosaimi, Funda Cipe, Anas M. Alazami, Gonca Hancioglu, Bilge Can Meydan, Hanne S. Sorte, Asbjørg Stray-Pedersen, Geetha Mammayil, Nazan Tökmeci, Anna Shcherbina, Polina Stepensky, Adeeb Naser Eddin, Claire Rouzaud, Akihiro Hoshino, Oded Shamriz, Oren Ledder, Maria Elena Maccari, Carla N. Castro, Bodo Grimbacher, Reinhold E. Schmidt, Matthew Collin, Victorya Zakharova

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

Patients with inherited CARMIL2 or CD28 deficiency have defective T cell CD28 signaling, but their immunological and clinical phenotypes remain largely unknown. We show that only one of three CARMIL2 isoforms is produced and functional across leukocyte subsets. Tested mutant CARMIL2 alleles from 89 patients and 52 families impair canonical NF-κB but not AP-1 and NFAT activation in T cells stimulated via CD28. Like CD28-deficient patients, CARMIL2-deficient patients display recalcitrant warts and low blood counts of CD4+ and CD8+ memory T cells and CD4+ TREGs. Unlike CD28-deficient patients, they have low counts of NK cells and memory B cells, and their antibody responses are weak. CARMIL2 deficiency is fully penetrant by the age of 10 yr and is characterized by numerous infections, EBV+ smooth muscle tumors, and mucocutaneous inflammation, including inflammatory bowel disease. Patients with somatic reversions of a mutant allele in CD4+ T cells have milder phenotypes. Our study suggests that CARMIL2 governs immunological pathways beyond CD28.

Original languageEnglish (US)
Article numbere20220275
JournalJournal of Experimental Medicine
Volume220
Issue number2
DOIs
StatePublished - Feb 6 2023
Externally publishedYes

ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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