Mucosal Immunology

MAIT cells exacerbate colonic inflammation in a genetically diverse murine model of spontaneous colitis. Liyen Loh

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Mucosal Immunol. 2025 May 25:S1933-0219(25)00053-4. doi: 10.1016/j.mucimm.2025.05.006. Online ahead of print. ABSTRACT IL-17-producing lymphocytes are involved in both tissue repair and the propagation of inflammation, with their effects highly context-dependent. Mucosal-Associated-Invariant-T-cells (MAIT), a subset of innate-like T cells with features of both Th1 and Th17 lineages, are increasingly recognized for their roles in mucosal immunity. … Read more

Inflammatory chemokine receptors CCR1, CCR2, CCR3 and CCR5 are essential for an optimal T cell response to influenza. Marieke Pingen

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Mucosal Immunol. 2025 May 23:S1933-0219(25)00052-2. doi: 10.1016/j.mucimm.2025.05.005. Online ahead of print. ABSTRACT Inflammatory chemokine receptors CCR1/2/3/5 (iCCRs) play an important role in the recruitment of immune cells involved in innate immune functions and orchestrating the adaptive immune response. Here we utilise an influenza A virus (IAV) challenge to investigate the combinatorial roles of the iCCRs … Read more

Inducible, but not constitutive, pancreatic REG/Reg isoforms are regulated by intestinal microbiota and pancreatic diseases. Yixuan Zhou

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Mucosal Immunol. 2025 May 19:S1933-0219(25)00050-9. doi: 10.1016/j.mucimm.2025.05.003. Online ahead of print. ABSTRACT The REG/Reg gene locus encodes a conserved family of potent antimicrobial but also pancreatitis-associated proteins. Here we investigated whether REG/Reg family members differ in their baseline expression levels and abilities to be regulated in the pancreas and gut upon perturbations. We found, in … Read more

Notch-activated basophils support intestinal CD4+ T cell fate and function during helminth infection. Lauren M Webb

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Mucosal Immunol. 2025 May 16:S1933-0219(25)00051-0. doi: 10.1016/j.mucimm.2025.05.004. Online ahead of print. ABSTRACT Helminth infections affect billions of people worldwide and cause substantial morbidity. Intestinal helminth infection provokes Type 2 inflammation orchestrated by CD4+ T helper type 2 (Th2) cells. Th2 cells cooperate with group 2 innate lymphoid cells (ILC2s) to produce interleukin (IL)-4 and IL-13 … Read more

Parasite and host immune factors that impact the development of a mucosal vaccine for Cryptosporidium. Maria Merolle

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Mucosal Immunol. 2025 May 14:S1933-0219(25)00049-2. doi: 10.1016/j.mucimm.2025.05.002. Online ahead of print. ABSTRACT The parasite Cryptosporidium is a leading cause of diarrhea and death in malnourished children and immunocompromised individuals and an important enteric pathogen of livestock. A mucosal vaccine to mitigate clinical disease and decrease transmission would address the public health impact of this organism, … Read more

Improved humanized mouse model of Staphylococcus aureus infection. Hui Wang

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Mucosal Immunol. 2025 May 10:S1933-0219(25)00048-0. doi: 10.1016/j.mucimm.2025.05.001. Online ahead of print. ABSTRACT Staphylococcus aureus is a significant cause of pulmonary infections, but existing mouse models fail to recapitulate human-specific responses. In this study, we developed a novel mouse model of S. aureus infection using humanized mice implanted with autologous fetal lung tissue. We show that … Read more

Diet-Induced dyslipidemia enhances IFN- γ production in mycolic Acid-Specific T cells and affects mycobacterial control. Yen-Lin Lin

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Mucosal Immunol. 2025 May 3:S1933-0219(25)00047-9. doi: 10.1016/j.mucimm.2025.04.009. Online ahead of print. ABSTRACT Dyslipidemia, characterized by altered lipid profiles, influences host immune responses against infections, including Mycobacterium tuberculosis (Mtb). While the effects of dyslipidemia on conventional T cell responses are well documented, its impact on group 1-CD1 restricted T cells, a distinct subset of lipid antigen-specific … Read more

Anti-ST2 antibody reduces airway hyperresponsiveness mediated by monocyte-derived macrophages during influenza A infection. Rohin Chakraborty

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Mucosal Immunol. 2025 May 2:S1933-0219(25)00046-7. doi: 10.1016/j.mucimm.2025.04.008. Online ahead of print. ABSTRACT Influenza A virus (IAV) infections trigger asthma attacks and cause airway hyperresponsiveness (AHR) in murine models. However, the mechanism by which AHR is induced remains to be fully elucidated. Here, we show that targeting the interleukin (IL)-33 suppression of tumorigenicity 2 (ST2) receptor … Read more

Spatial single-cell analysis identifies placental villi structuraland immune remodeling across gestation. Suganthinie Velagala

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Mucosal Immunol. 2025 Apr 25:S1933-0219(25)00043-1. doi: 10.1016/j.mucimm.2025.04.005. Online ahead of print. ABSTRACT Pregnancies rely upon the balance between fetal and maternal immune systems. Employing imaging mass cytometry, this study creates a spatial map landscape to unravel the cellular dynamics within the placental villi (PV). Consistent with previous data we report structural remodeling in PV, highlighted … Read more

RSV infection in neonatal mice and gastrointestinal microbiome alteration contribute to allergic predisposition. Alexander D Ethridge

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Mucosal Immunol. 2025 Apr 23:S1933-0219(25)00045-5. doi: 10.1016/j.mucimm.2025.04.007. Online ahead of print. ABSTRACT Severe respiratory syncytial virus (RSV) infection during infancy is associated with a 2 to 4-fold increased risk for the development of wheezing and asthma. Recent studies have implicated microbiome changes, either within the lung or gut, during early life can also affect the … Read more

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