Koichi Saito

Tokyo, Japan

Last Updated: 09/26/2026

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Found 25 publications

Cross-disease immunological comparison reveals shared systemic immune activation across the broader spondyloarthritis spectrum.

Cross-disease immunological comparison reveals shared systemic immune activation across the broader spondyloarthritis spectrum.

Journal: Immunological medicine

Published: August 08, 2026

IL-7-glucose-Aiolos axis orchestrates pathogenic CD8+ T cell function in spondyloarthritis.

IL-7-glucose-Aiolos axis orchestrates pathogenic CD8+ T cell function in spondyloarthritis.

Journal: Proceedings of the National Academy of Sciences of the United States of America

Published: July 16, 2026

Correction: Diagnostic and therapeutic challenges in concomitant axial spondyloarthritis and rheumatoid arthritis: a case-based review.

Correction: Diagnostic and therapeutic challenges in concomitant axial spondyloarthritis and rheumatoid arthritis: a case-based review.

Journal: Rheumatology international

Published: June 11, 2026

Diagnostic and therapeutic challenges in concomitant axial spondyloarthritis and rheumatoid arthritis: a case-based review.

Diagnostic and therapeutic challenges in concomitant axial spondyloarthritis and rheumatoid arthritis: a case-based review.

Journal: Rheumatology international

Published: April 22, 2026

Extrafollicular Tph2-like cell dominant tissue pathotype is associated with relapse in IgG4-related disease.

Extrafollicular Tph2-like cell dominant tissue pathotype is associated with relapse in IgG4-related disease.

Journal: Rheumatology (Oxford, England)

Published: March 19, 2026

Comment on: IgG4-related prostatitis: expanding the spectrum of IgG4-related disease: a systematic review.

Comment on: IgG4-related prostatitis: expanding the spectrum of IgG4-related disease: a systematic review.

Journal: Clinical and experimental rheumatology

Published: February 13, 2026

Behçet's disease occurred after brodalumab initiation in a patient with chronic non-bacterial osteitis: a case-based literature review.

Behçet's disease occurred after brodalumab initiation in a patient with chronic non-bacterial osteitis: a case-based literature review.

Journal: Rheumatology international

Published: February 05, 2026

Simultaneous improvement of immunoglobulin G4-related disease complicated by nontuberculous mycobacteria infection by anti-infective therapy alone: a case-based literature review.

Simultaneous improvement of immunoglobulin G4-related disease complicated by nontuberculous mycobacteria infection by anti-infective therapy alone: a case-based literature review.

Journal: Rheumatology international

Published: December 20, 2025

Effectiveness of tocilizumab for IgA vasculitis associated with idiopathic multicentric Castleman's disease: Two cases and literature review.

Effectiveness of tocilizumab for IgA vasculitis associated with idiopathic multicentric Castleman's disease: Two cases and literature review.

Journal: Modern rheumatology case reports

Published: November 26, 2025

Co-occurrence of IgG4-related disease and mucous membrane pemphigoid: implication of shared IgG4-driven pathogenesis.

Co-occurrence of IgG4-related disease and mucous membrane pemphigoid: implication of shared IgG4-driven pathogenesis.

Journal: Rheumatology (Oxford, England)

Published: September 23, 2025

Successful tocilizumab monotherapy for multicentric Castleman disease complicated by rheumatoid arthritis and Sjögren's disease: a case-based literature review.

Successful tocilizumab monotherapy for multicentric Castleman disease complicated by rheumatoid arthritis and Sjögren's disease: a case-based literature review.

Journal: Immunological medicine

Published: August 14, 2025

Serum interleukin-1 receptor antagonist levels are a useful marker of disease activity and risk of relapse in large vessel vasculitis.

Serum interleukin-1 receptor antagonist levels are a useful marker of disease activity and risk of relapse in large vessel vasculitis.

Journal: Cytokine

Published: July 26, 2025

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Last Updated: 09/26/2026