{"id":24437,"date":"2026-08-26T09:11:48","date_gmt":"2026-08-26T09:11:48","guid":{"rendered":"https:\/\/www.drfz.de\/?p=24437"},"modified":"2026-08-26T09:11:48","modified_gmt":"2026-08-26T09:11:48","slug":"immune-cells-as-biosensors-in-lupus","status":"publish","type":"post","link":"https:\/\/www.drfz.de\/en\/neuigkeiten\/immune-cells-as-biosensors-in-lupus\/","title":{"rendered":"Immune Cells as Biosensors in Lupus"},"content":{"rendered":"\n<h2 class=\"wp-block-heading alignwide toc-item\" id=\"new-insights-into-individual-immune-activation-in-sle\"><strong>New insights into individual immune activation in SLE<\/strong><\/h2>\n\n\n\n<p class=\"alignwide wp-block-paragraph\">A research team from DRFZ and Charit\u00e9 \u2013 Universit\u00e4tsmedizin Berlin has developed a novel method to investigate the activity of immune cells directly in a blood sample without artificially stimulating the cells beforehand. Using the mass cytometric approach known as Unperturbed Activation Profiling (UACT), they examined the natural activation of immune cells in systemic lupus erythematosus (SLE). The method reveals patterns of immune activity that may be associated with various disease characteristics. Initial results also show that changes in immune activity during therapy can be measured. As future application, UACT could help to characterize patients more accurately, identify treatment success early on, and tailor treatments more closely to individual immune activity. The results were published in the journal Frontiers in Immunology.<\/p>\n\n\n\n<p class=\"alignwide wp-block-paragraph\">In a proof-of-concept study involving 20 SLE patients and 20 healthy controls, colleagues from the Mass Cytometry Technology Platform assessed the activity of immune cells. The UACT allows the measurement of which signaling pathways are active in individual immune cell types in unstimulated, briefly fixed blood samples.<\/p>\n\n\n\n<p class=\"alignwide wp-block-paragraph\">In a proof-of-concept study with 20 SLE patients and 20 healthy controls, SLE patients showed particularly elevated phosphorylation signals of the signaling proteins STAT1, STAT3, and STAT5. These changes occurred across various immune cell populations, especially in na\u00efve T cells as well as in additional T, NK, and myeloid cells. Activation patterns differed markedly between patients and partially reflected distinct autoantibody profiles and disease manifestations.<\/p>\n\n\n\n<p class=\"alignwide wp-block-paragraph\">UACT profiles enabled better separation of SLE patients from healthy controls than analysis of cell frequencies alone. Furthermore, five exploratory patient groups with different signature combinations and clinical-immunological characteristics could be identified. In a small longitudinal investigation of four patients with therapy-refractory skin manifestations, a good response to the JAK1\/2 inhibitor baricitinib was associated with elevated baseline pSTAT3 levels and a subsequent decline in STAT3 phosphorylation.<\/p>\n\n\n\n<p class=\"alignwide wp-block-paragraph\">The results demonstrate that peripheral immune cells can serve as &#8220;biosensors&#8221; of an individual&#8217;s inflammatory environment. In the future, UACT could help to better characterize immunological patient subgroups, monitor treatment effects, and develop biomarkers for more personalized treatment of chronic inflammatory diseases.<\/p>\n\n\n\n  <section id=\"block_b61748299a8280dd0d4593e32aed137b\" class=\"section links-list  alignwide \">\n    <div class=\"container container--center\">\n                        <h2 class=\"section__heading launimation slideBottom\">Original publication<\/h2>\n        \n              \n      <div class=\"links-list__items-wrap\">\n        \n<div class=\"links-list__items links-list__items--row \">\n      <div class=\"links-list__item  launimation slideBottom\">\n      \n      <a href=\"https:\/\/www.frontiersin.org\/journals\/immunology\/articles\/10.3389\/fimmu.2026.1844288\/full\" target=\"_self\" class=\"h6 links-list__item-title\">Burns M, Ostendorf L, Abbas A, Ferrara S, Hirseland H, Baumgart S, Barreno-Sanchez A, Frischbutter S, Alexander T, Biesen R, Mei HE, Gr\u00fctzkau A and Schulz AR (2026) Single-cell Unperturbed Activation Profiling by mass cytometry captures in vivo immune signaling in SLE. Front. Immunol. 17:1844288. doi: 10.3389\/fimmu.2026.1844288<\/a>\n\n      \n      <a href=\"https:\/\/www.frontiersin.org\/journals\/immunology\/articles\/10.3389\/fimmu.2026.1844288\/full\" target=\"_self\" class=\"links-list__item-link\">\n        <span class=\"button button--arrow button--arrow-nw button--arrow-link\" ><\/span>\n      <\/a>\n    <\/div>\n  <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n\n\n\n  <section id=\"project-leader\"    class=\"section grid-heads alignwide toc-item\">\n    <div class=\"container container--center\">\n              <div class=\"grid-heads__header\">\n                      <h2 class=\"section__heading launimation slideBottom\">Project leader<\/h2>\n          \n                  <\/div>\n      \n              <div class=\"grid-heads__items grid grid--4\">\n          \n<article\n  id=\"post-9113\" class=\"teaser-head launimation slideBottom  post-9113 head type-head status-publish has-post-thumbnail hentry department-technology-platforms-and-service-laboratories-2 working-group-function-group-leader working-group-tax-mass-cytometry\">\n  <div class=\"teaser-head__image\">\n          <img decoding=\"async\" loading=\"lazy\" sizes=\"auto, 520px\" src=\"https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/02\/Schulz-1-150x98.jpg\" data-src=\"https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/02\/Schulz-1-1024x666.jpg\" data-srcset=\"https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/02\/Schulz-1-1920x1248.jpg 1920w, https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/02\/Schulz-1-1600x1040.jpg 1600w, https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/02\/Schulz-1-1366x888.jpg 1366w, https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/02\/Schulz-1-1024x666.jpg 1024w, https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/02\/Schulz-1-768x499.jpg 768w, https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/02\/Schulz-1-550x358.jpg 550w\" class=\"image image--landscape\" alt=\"\"  width=\"1024\"  height=\"666\">      <\/div>\n  <div class=\"teaser-head__header\">\n    <!--    -->    <!--      -->    <!--    -->    <h2 class=\"h6 teaser-head__title launimation slideBottom\">Dr. Axel Schulz<\/h2>\n          <div class=\"teaser-head__role\">\n                                  <p class=\"text-label working_group_function working_group\">\n            Group leader: Mass Cytometry          <\/p>\n                      <\/div>\n      <\/div>\n\n      <div class=\"teaser-head__contact\">\n              <p class=\"text-label\"><a href=\"mailto:axel.schulz@drfz.de\"\">axel.schulz@drfz.de<\/a><\/p>\n          <\/div>\n    <a href=\"https:\/\/www.drfz.de\/en\/koepfe\/axel-schulz\/\"\n    aria-describedby=\"post-9113\"\n    title=\"Gehe zum Beitrag\" rel=\"bookmark\"\n    class=\"teaser-head__link button button--small button--arrow button--arrow-link\"><span\n      class=\"visually-hidden\">Dr. Axel Schulz<\/span><\/a>\n<\/article>        <\/div>\n          <\/div>\n  <\/section>\n\n\n\n  <section id=\"mass-cytometry\" class=\"section cta  alignwide toc-item\">\n    <div class=\"container container--center\">\n\n      <div class=\"cta__wrapper bg bg--surface\">\n        <div class=\"cta__content\">\n                      <h2 class=\"cta__heading launimation slideBottom\">Technology platform Mass Cytometry<\/h2>\n          \n          \n          \n                      <div class=\"cta__ctas button-group\">\n              <a href=\"\/arbeitsgruppen\/massenzytometrie\/\" class=\"cta__button button button--arrow launimation slideBottom\" title=\"To Technology platform\" target=\"_self\"><span>To Technology platform<\/span><\/a>            <\/div>\n                  <\/div><!-- content -->\n\n                  <div class=\"cta__image launimation fadeIn\">\n            <img decoding=\"async\" loading=\"lazy\" sizes=\"auto, \" src=\"https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/11\/Masscytometry_lab-150x63.jpg\" data-src=\"https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/11\/Masscytometry_lab-1024x431.jpg\" data-srcset=\"https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/11\/Masscytometry_lab.jpg 1920w, https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/11\/Masscytometry_lab-1600x674.jpg 1600w, https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/11\/Masscytometry_lab-1366x575.jpg 1366w, https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/11\/Masscytometry_lab-1024x431.jpg 1024w, https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/11\/Masscytometry_lab-768x323.jpg 768w, https:\/\/www.drfz.de\/wp-content\/uploads\/2025\/11\/Masscytometry_lab-550x232.jpg 550w\" class=\"\" alt=\"\"  width=\"1024\"  height=\"431\">          <\/div>\n              <\/div><!-- wrapper -->\n\n    <\/div><!-- container -->\n  <\/section>\n\n","protected":false},"excerpt":{"rendered":"<p>New insights into individual immune activation in SLE A research team from DRFZ and Charit\u00e9 \u2013 Universit\u00e4tsmedizin Berlin has developed a novel method to investigate\u2026<\/p>\n","protected":false},"author":4,"featured_media":24435,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[292,291],"tags":[633,536],"programme-area-tax":[183],"working-group-tax":[549],"class_list":["post-24437","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-en","category-publications","tag-axel-schulz-en","tag-technolgoy-platforms","programme-area-tax-technology-platforms-and-service-laboratories","working-group-tax-mass-cytometry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Immune Cells as Biosensors in Lupus - DRFZ<\/title>\n<meta name=\"description\" content=\"The Technology platform Mass Cytometry from DRFZ developed a new method (UACT) for examining individual 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