dr. Simone Joosten

My main interest is in understanding the human immune system in health and disease. Over the last decade her group has been working on host immunity towards tuberculosis (TB), with a strong translational focus. We consider it pivotal to assess the sum of immune responses rather than isolated components and ideally assess these from a functional perspective. Vaccination is an ideal model to investigate early immune activation, which we consider essential for outcome. We have been interested in innate and adaptive cellular as well as humoral immunity towards Mycobacterium tuberculosis (Mtb). We aim to combine clinical data and samples with functional immunological characterization of the responses.

Vaccination against Mtb is essential to combat the ongoing TB pandemic. Evaluation of novel vaccine candidates is lengthy and endpoints are difficult to define, in particular since correlates of protection have not yet been identified. However it is essential to measure not only the magnitude of these vaccine-induced responses but also the functional properties of the immune components evoked. Functional assays provide important insights in the capacity of different immune components to control mycobacteria, including the interplay of immune players. Application of functional assays has contributed to identification of cell subsets and cellular interactions that are essential to mediate mycobacterial control.

Publications

  • Individual and population associated heterogeneity in vaccine induced immune responses. The impact of inflammatory status and diabetic comorbidity

    SA Joosten

    Semin Immunol (2025) 78: 101964

  • BCG vaccination induces different mechanisms of mycobacterial growth control compared to natural protection

    KE van Meijgaarden, W Li, SJCFM Moorlag, VACM Koeken, HJPM Koenen, LAB Joosten, A Vyakarnam, A Ahmed, S Rakshit, V Adiga, THM Ottenhoff, Y Li, MG Netea, SA Joosten.

    Nature Communications (2024), 15(1):114. doi: 10.1038/s41467-023-44252-5

  • Mycobacterial Growth Inhibition is associated with trained innate immunity

    SA Joosten, KE van Meijgaarden, SM Arend, C Prins, F Oftung, GE Korsvold, SV Kik, RJW Arts, R van Crevel, MG Netea, THM Ottenhoff

    J Clin Invest (2018), 128(5): 1837-1851

Groups

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