Immunology explores the intricate defense systems that keep our bodies safe from infections and disease. This field examines how our immune cells recognize threats, coordinate responses, and maintain a delicate balance between fighting invaders and avoiding self-harm. From understanding vaccine mechanisms to investigating autoimmune disorders, these studies reveal the dynamic biology protecting human health every day.

On Gist.Science, we ensure these critical discoveries remain accessible to everyone. We automatically process every new preprint in this category as it appears on bioRxiv, transforming complex research into both plain-language explanations and detailed technical summaries. This approach allows readers to grasp the core findings without getting lost in dense jargon, while still providing the depth needed for scientific inquiry.

Below are the latest immunology papers from bioRxiv, each accompanied by our curated summaries to help you navigate the newest breakthroughs in the field.

🛡️ immunology

Cesium-137 and X-Ray Irradiation Yield Comparable Immune Phenotypes and Activation States in Bone Marrow Chimeric Studies

This study demonstrates that replacing cesium-137 with X-ray irradiation in bone marrow chimera models yields comparable immune reconstitution, cell distribution, and activation states, thereby validating X-ray systems as a safe and effective alternative for immunological research.

Bastian, A. G., Livingston, E. W., Zimmerman, M. P., Reynolds, A. G., Chong, W. L., Cox, E. K., Wang, H., Yuan, H., Mill (…)2026-08-28
🛡️ immunology

The lipid landscape shapes the immunomodulatory potential of fluoxetine in macrophages

This study reveals that the immunomodulatory efficacy of the antidepressant fluoxetine in macrophages is critically dependent on the cellular lipid landscape, as disruptions in lipid metabolism or exposure to oxidized lipids can reverse its anti-inflammatory effects, offering a potential mechanism for treatment-resistant depression.

Grondelaers, J., Jimenez-Lemus, A., Temmerman, L., Biessen, E. A., Sverdlov, R., van der Vorst, E. P. C., Houben, T.2026-08-28
🛡️ immunology

CD1b-specific T cells are transcriptionally closer to conventional CD4 T cells than to innate-like NKT and MAIT cells

This study demonstrates that despite recognizing non-polymorphic CD1b molecules, both invariant and diverse CD1b-specific T cells exhibit adaptive transcriptional features that align them more closely with conventional T cells than with innate-like populations such as NKT, MAIT, and γδ T cells.

Hsieh, A., Lopez, K., Leon, S., Calderon, R., Lecca, L., Murray, M., Moody, B., Suliman, S., Van Rhijn, I.2026-08-28
🛡️ immunology

Mucosal vaccine-elicited IgA is protective against zoonotic Betacoronavirus challenge

This study demonstrates that an intranasal booster vaccine utilizing a synthetic consensus spike protein (SarbConS) delivered with ferritin nanoparticles and a specific adjuvant elicits durable, cross-protective mucosal IgA responses that are essential for defending against diverse zoonotic Betacoronaviruses, including SARS-CoV-2 and MERS-CoV.

Seo, J., Buck, E., Machani, B., Murillo, O., Maharjan, B., Filler, R., Saunders, K. O., Wilen, C., Israelow, B., Martine (…)2026-08-28
🛡️ immunology

Polymicrobial-driven NLRP6 inflammasome regulates IL-1β production and alveolar bone loss in a murine model of periodontitis

This study reveals that the keystone pathogen *Porphyromonas gingivalis* promotes periodontitis progression by enhancing the survival of commensal *Streptococcus gordonii* within macrophages, which triggers NLRP6 inflammasome activation and subsequent IL-1β-mediated alveolar bone loss.

Metcalfe, S., Settem, R. P., Ovalle, E., Panasiewicz, M., Escobar, A., Kay, J. G.2026-08-26
🛡️ immunology

Hepatic γδ NKT cells modulate liver-resident CD8+ T cells to attenuated malaria parasite vaccines

This study demonstrates that hepatic γδ NKT cells are essential for inducing protective liver-resident CD8+ T cell responses against malaria parasites following vaccination with attenuated Plasmodium, a mechanism confirmed by identifying similar activated γδ T cell correlates of protection in human clinical trial participants.

Blyn, R. C., Kulkarni, A. V., Donlan, A. N., Krakauer, A. A., Jones, G., Nemphos, S. M., Stegman, N., Tanner, E. G., Her (…)2026-08-25
🛡️ immunology

Systemic endotoxemia induces integrated sickness physiology in female BALB/c mice

This study demonstrates that systemic LPS administration in female BALB/c mice triggers a coordinated sickness state characterized by peripheral inflammation, hepatic metabolic and redox alterations, region-specific neuronal and microglial activation, and distinct thermoregulatory, feeding, and behavioral changes across acute and resolving phases.

Kher, P., Costa Lima, B. G., Woodrow, C. E., Roginski, A. C., Bustamante Hernandez, L., Wilson, A., Tashi, Z., Bartelle (…)2026-08-24
🛡️ immunology

Proteomics of human cancer-associated T cells identifies regulators of T cell functionality

By integrating matched proteomic and transcriptomic profiling of CD8+ T cells from non-small cell lung cancer patients, this study identifies the chromatin remodeler CHD4 and fatty acid synthase (FASN) as critical, protein-level regulators of T cell functionality that are not detectable through transcriptomic analysis alone.

Bresser, K., Hozjan, Z., Servaas, N. H., Stelloo, S., Spruijt, C. G., Nestor Martin, M., Guislain, A., Kanagasabesan, N. (…)2026-08-23
🛡️ immunology

Macrophages drive inguinal fat pad and lymph node remodelling in response to peripheral inflammation.

This study reveals that peripheral inflammation triggers macrophage-mediated atrophy of perinodal fat pads, thereby releasing essential nutrients to fuel the expansion of embedded lymph nodes and support the energetic demands of the adaptive immune response.

Bartolini, R., Sharma, D., Wilson, G. J., Dunphy, G., Cavanagh, J., Barrie, J., Halawa, H. A., Cole, J. J., Weidt, S., G (…)2026-08-19