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J Immunol (2024) 213 (2): 107.

CUTTING EDGE

J Immunol (2024) 213 (2): 109–114.

  • Human pDCs express ATP13A2 in their endolysosomal compartments.

  • ATP13A2-mediated polyamine transport regulates TLR9/7 activation in pDCs.

  • ATP13A2 knockdown increases endosomal pH and mtROS, which dampens pDC activation.

CLINICAL AND HUMAN IMMUNOLOGY

J Immunol (2024) 213 (2): 115–124.

  • UCB monocytes generate mature MoDCs with differences in cytokine and coreceptor profiles.

  • UCB-MoDCs present avid endocytosis and chemokine-mediated migratory behavior.

  • The allostimulatory capacity of UCB-MoDCs is reduced for CD4+ but not CD8+ T lymphocytes.

IMMUNE REGULATION

J Immunol (2024) 213 (2): 125–134.

  • IL-4 signaling in keratinocytes mediates wound healing.

  • IL-4 signaling in keratinocytes controls DETC homeostasis.

  • IL-4 controls keratinocyte production of IL-15.

J Immunol (2024) 213 (2): 135–147.

  • Treg-specific aPIK3CD expression promotes Teff activation despite increased Treg frequency.

  • Foxp3-aPIK3CD mice exhibit spontaneous germinal centers and increased Tfh and autoantibodies.

  • Defective Treg fitness and increased PD-1 contribute to immune dysregulation.

IMMUNOTHERAPY AND VACCINES

J Immunol (2024) 213 (2): 148–160.

  • Engineered IgA enhanced neutrophil-mediated cytotoxicity of HPV+ HNSCC.

  • Engineered dimeric IgA outperforms monomeric variants in Fab-mediated mechanisms.

  • CD147 is critical in target–effector cell cross-talk during neutrophil-mediated ADCC.

INFECTIOUS DISEASE AND HOST RESPONSE

J Immunol (2024) 213 (2): 161–169.

  • M. tuberculosis infected human AMs have a unique transcriptome comparedwith MDMs.

  • IFNA8, Type I IFN pathway, and DNA sensors are upregulated in TB-infected AMs versus MDMs.

  • IFNA8 induces a distinct transcriptional program in MDMs compared to other IFNs.

J Immunol (2024) 213 (2): 170–186.

  • P. yoelii infection induced an elevation in immunosuppressive MDSCs.

  • GM-CSF/IL-6 activated MDSCs via JAK/STAT3 signaling upon P. yoelii infection.

  • Depletion of MDSCs enhanced Th1-biased immune responses to P. yoelii infection.

INNATE IMMUNITY AND INFLAMMATION

J Immunol (2024) 213 (2): 187–203.

  • duRNF216 interacts with duTRAF3 and degrades it to downregulate the RIG-I pathway.

  • duRNF216 targets AIV PB1 and damages viral polymerase assembly and activity.

  • AIV PB1 targets duRNF216 to attenuate negative regulation of duRIG-I pathway.

J Immunol (2024) 213 (2): 204–213.

  • Bats generally have shorter IFN-I loci with more unique IFNω-like genes.

  • IFNω-like genes show the highest basal expression level.

  • The constitutive IFNω-like genes dominate the antiviral and antiproliferation functionality.

J Immunol (2024) 213 (2): 214–225.

  • CCR2+ve and CCR1/2+ve monocytes are transcriptionally distinct.

  • CCR1/2+ve monocytes display a neutrophilic gene signature.

MOLECULAR AND STRUCTURAL IMMUNOLOGY

J Immunol (2024) 213 (2): 226–234.

  • The secretory component D1 CDR3 loop plays an important role in binding to dIgA.

  • The formation of the SC D1–D3 interface stabilizes SIgA.

  • JC C-terminal residues influence dIgA assembly and mediate pIgR binding to dIgA.

J Immunol (2024) 213 (2): 235–243.

  • Bispecifics have a critical end-to-end range for optimal complement activation.

  • Synthetic biology is useful to evaluate protein engineering to activate complement.

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