Results 91 to 100 of about 11,407 (198)

IgG4‐Related Disease Overlapping With Anti‐Acetylcholine Receptor Antibody–Positive Myasthenia Gravis

open access: yesClinical and Experimental Neuroimmunology, Volume 17, Issue 3, August 2026.
ABSTRACT Background IgG4‐related disease (IgG4‐RD) is a systemic, immune‐mediated, fibroinflammatory disorder with multiorgan involvement and variable clinical presentation, often creating diagnostic difficulty. Myasthenia gravis (MG) is an antibody‐mediated autoimmune disorder of the neuromuscular junction, most commonly associated with anti ...
Yumiko Yoshida   +4 more
wiley   +1 more source

Somatic Hypermutation of Immunoglobulin Genes [PDF]

open access: yesCell, 2002
Papavasiliou, F.Nina, Schatz, David G
openaire   +1 more source

Induction of homologous recombination between sequence repeats by the activation induced cytidine deaminase (AID) protein

open access: yeseLife, 2014
The activation induced cytidine deaminase (AID) protein is known to initiate somatic hypermutation, gene conversion or switch recombination by cytidine deamination within the immunoglobulin loci.
Jean-Marie Buerstedde   +2 more
doaj   +1 more source

Age‐Associated B Cells: Origins, Regulation, and Tissue‐Specific Pathogenic Contributions in Autoimmune, Metabolic, and Neurological Diseases

open access: yesImmunological Reviews, Volume 341, Issue 1, August 2026.
ABSTRACT Age‐associated B cells (ABCs) are a distinct B cell population characterized by coexpression of T‐bet and CD11c. First described in aged female mice and autoimmune‐prone strains, ABCs are now recognized to be associated with multiple human autoimmune diseases, including systemic lupus erythematosus, rheumatoid arthritis, and multiple sclerosis,
Kira Rubtsova
wiley   +1 more source

Epigenetic function of Activation-Induced Cytidine Deaminase (AID) and its link to lymphomagenesis

open access: yesFrontiers in Immunology, 2014
Activation-induced cytidine deaminase (AID) is essential for somatic hypermutation (SHM) and class switch recombination (CSR) of immunoglobulin (Ig) genes during B cell maturation and immune response.
Pilar M Dominguez   +2 more
doaj   +1 more source

The Dual Role of Preexisting Immunity in Influenza: Protective Recall Versus Constraint of Novel Responses

open access: yesImmunological Reviews, Volume 341, Issue 1, August 2026.
ABSTRACT Preexisting immunity to influenza confers rapid protection against antigenically matched viruses but can also constrain responses to drifted variants. This review asks when and why prior infection or vaccination is protective versus detrimental, and which biological mechanisms—epitope masking by circulating antibody, inhibitory FcγRIIb ...
Annette Fox   +2 more
wiley   +1 more source

Somatic hypermutation of immunoglobulin ĸ light chain genes [PDF]

open access: yes, 1996
Somatic hypermutation of immunoglobulin genes is a tightly controlled, site directed process. The nucleotide changes are targeted in the region surrounding the rearranged V gene segment of the heavy and light chain loci. The targeting of somatic mutation does neither require V region including the Vĸ promoter specific features nor a specific distance ...
openaire   +1 more source

Counteracting Influenza Virus Evolution Through the Full Spectrum of Broadly Protective Antibodies

open access: yesImmunological Reviews, Volume 341, Issue 1, August 2026.
ABSTRACT Despite the presence of licensed vaccines and therapeutics, influenza viruses remain a major public health concern, as they cause seasonal respiratory infections and pose a pandemic threat through the emergence of zoonotic strains. Although neutralizing antibodies elicited by seasonal vaccination constitute a primary defense against infection,
Yu Adachi, Yoshimasa Takahashi
wiley   +1 more source

The Role of CD4 T Cell Repertoire and Immune Memory Mechanisms in Vaccination and Infection Immunity

open access: yesImmunological Reviews, Volume 341, Issue 1, August 2026.
ABSTRACT CD4+ T cells orchestrate adaptive immunity against respiratory viruses through functionally distinct subsets, yet the qualitative differences between vaccine‐ and infection‐induced responses remain incompletely understood. This review summarizes current evidence on how CD4+ T cell subsets shape the magnitude, breadth, and durability of ...
Masato Kubo
wiley   +1 more source

The Structure of Vertebrate Antigen Receptor Repertoires: An Evolutionary Perspective

open access: yesImmunological Reviews, Volume 341, Issue 1, August 2026.
ABSTRACT In vertebrate adaptive immune systems, somatically diversified antigen receptors assume a central role in self/nonself discrimination. Attesting to the presence of a unique but unknown selective environment at early stages of vertebrate evolution, this facility emerged twice, in the ancestors of jawless and jawed vertebrates.
Thomas Boehm, Orlando B. Giorgetti
wiley   +1 more source

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