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Updated: Jun 4, 2026

Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy

Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy

Published on: October 31, 2025

Nonbacterial myositis.

Nancy F Crum-Cianflone¹

¹Infectious Disease Clinical Research Program, Uniformed Services University of the Health Sciences, Bethesda, MD, USA, nancy.crum@med.navy.mil.

Current Infectious Disease Reports

|February 11, 2011

Summary

This summary is machine-generated.

Infectious myositis, a skeletal muscle infection, can stem from bacteria, viruses, parasites, or fungi. Diagnosis involves clinical signs, history, and lab tests, with treatment targeting the specific pathogen.

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Last Updated: Jun 4, 2026

Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy

Detection of Anti-MDA5 Autoantibodies Using HeLa Cells and Immunocytochemistry with Light Microscopy

Published on: October 31, 2025

Area of Science:

Infectious Diseases
Pathology
Microbiology

Background:

Infectious myositis is defined as the infection of skeletal muscle.
While bacteria are the most common cause, viral, parasitic, and fungal agents can also lead to myositis.
Nonbacterial infectious myositis can arise from direct muscle infection, hematogenous spread, or immune system responses.

Purpose of the Study:

To outline the causes, pathogenesis, clinical presentation, diagnostic approaches, and treatment strategies for infectious myositis.

Main Methods:

Diagnosis relies on correlating clinical signs and symptoms with medical/travel history and laboratory data.
Identifying the causative microbe involves specific laboratory tests such as serologies, histopathology, and cultures.
Risk factors like immunocompromise (fungal) or travel history/eosinophilia (parasitic) aid in etiological suspicion.

Main Results:

Symptoms commonly include muscle pain, tenderness, swelling, and weakness.
Immunocompromised individuals are at higher risk for fungal myositis.
Travel history and eosinophilia can suggest parasitic causes.

Conclusions:

Infectious myositis diagnosis requires integrating clinical, historical, and laboratory findings to identify the specific causative agent.
Treatment involves pathogen-specific antimicrobial therapy, with surgical intervention for purulent collections.