The epipharynx-kidney axis triggers glomerular vasculitis in immunoglobulin A nephropathy

Macroscopic hematuria concomitant with acute pharyngitis is a characteristic feature of immunoglobulin A nephropathy (IgAN). Although the underlying mechanism of worsening hematuria has not been fully elucidated, activation of the innate immune system of nasopharynx-associated lymphoid tissue is tho...

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Veröffentlicht in:Immunologic research 2019-10, Vol.67 (4-5), p.304-309
Hauptverfasser: Hotta, Osamu, Oda, Takashi
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description Macroscopic hematuria concomitant with acute pharyngitis is a characteristic feature of immunoglobulin A nephropathy (IgAN). Although the underlying mechanism of worsening hematuria has not been fully elucidated, activation of the innate immune system of nasopharynx-associated lymphoid tissue is thought to play an important role. The epipharynx is an immunologically activated site even under normal conditions, and enhanced activation of innate immunity is likely to occur in response to airborne infection. As latent but significant epipharyngitis presents in most IgAN patients, it is plausible that acute pharyngitis due to airway infection may contribute as a trigger of the epipharyngeal innate immune system, which is already upregulated in the chronically inflamed environment. The aim of this review was to discuss the mechanism of epipharynx-kidney axis involvement in glomerular vasculitis responsible for the worsening of hematuria in IgAN.
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subjects Activation
Airborne infection
Allergology
Biomedical and Life Sciences
Biomedicine
Glomerulonephritis, IGA - etiology
Glomerulonephritis, IGA - immunology
Glomerulonephritis, IGA - pathology
Hematuria
Humans
Immune system
Immunity, Innate
Immunoglobulin A
Immunoglobulins
Immunology
Infections
Innate immunity
Internal Medicine
Interpretive Synthesis Review Article
Kidney Glomerulus - immunology
Kidney Glomerulus - pathology
Kidneys
Medicine/Public Health
Nasopharynx
Nephropathy
Pharyngitis - complications
Pharyngitis - immunology
Pharyngitis - pathology
Pharynx - immunology
Pharynx - pathology
Vasculitis
title The epipharynx-kidney axis triggers glomerular vasculitis in immunoglobulin A nephropathy
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