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Updated: Feb 14, 2026
Antigen-Capture Enzyme-Linked Immunosorbent Assay for Specific Detection of Mycoplasma pneumoniae
Published on: February 24, 2023
Extra-pulmonary diseases related to Mycoplasma pneumoniae in children: recent insights into the pathogenesis
1Department of Medicine, Nazarbayev University School of Medicine, Astana, Kazakhstan.
Purpose Of Review:
Providing an overview on Mycoplasma pneumoniae-related extra-pulmonary diseases (MpEPDs) in children, who represent the preferred target population by those complications, and discussing the main pathogenic mechanisms implicated or potentially involved.
Recent Findings:
Recent evidences supported the fact that M. pneumoniae is more than an extra-cellular pathogen colonizing epithelial cells of the respiratory tract. It is able to penetrate the cell membrane of host cells and to invade the respiratory mucosa, leading to pronounced inflammatory responses and also spreading outside the respiratory system, to some extent. Thus, direct and indirect (immune-mediated) mechanisms have been described in M. pneumoniae infections, but the latter ones have been mainly implicated in MpEPDs, as reviewed here. Recently, interesting insights have been provided, especially as concern neurologic complications, and new potential mechanisms of disease have been emerging for autoimmunity.
Summary:
The awareness of the occurrence of MpEPDs, showing very variable clinical expressions, could promote a correct diagnosis and an appropriate treatment. The knowledge of disease mechanisms in MpEPDs is largely incomplete, but recent advances from clinical studies and murine models might promote and direct future research.
Insights
Mycoplasma pneumoniae can cause serious extra-pulmonary diseases (MpEPDs) in children, often through immune responses. Understanding these mechanisms is key for better diagnosis and treatment of MpEPDs.
Area of Science:
- Pediatrics
- Infectious Diseases
- Immunology
Background:
- Mycoplasma pneumoniae is a pathogen primarily affecting the respiratory tract.
- Recent evidence indicates M. pneumoniae can invade host cells and trigger systemic immune responses.
- Extra-pulmonary manifestations are increasingly recognized, particularly in pediatric populations.
Purpose of the Study:
- To provide an overview of Mycoplasma pneumoniae-related extra-pulmonary diseases (MpEPDs) in children.
- To discuss the pathogenic mechanisms, both direct and indirect (immune-mediated), involved in MpEPDs.
- To highlight recent advances and emerging research directions in the field.
Main Methods:
- Review of recent scientific literature on M. pneumoniae infections and MpEPDs.
- Analysis of clinical evidence and findings from murine models.
- Synthesis of current understanding of pathogenic mechanisms.
Main Results:
- M. pneumoniae can invade host cells and spread beyond the respiratory tract.
- Immune-mediated mechanisms are significantly implicated in the development of MpEPDs.
- Neurologic complications and autoimmune pathways are areas of recent focus.
Conclusions:
- Increased awareness of MpEPDs is crucial for timely diagnosis and treatment in children.
- While knowledge of MpEPD mechanisms is incomplete, ongoing research is advancing understanding.
- Future research, informed by clinical studies and animal models, is needed to further elucidate disease pathways.
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