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Forward Genetic Approaches in Chlamydia trachomatis
Published on: October 23, 2013
Treatment of chlamydial infections
Margaret R Hammerschlag1, Stephan A Kohlhoff
1SUNY Downstate Medical Center, Division of Infectious Diseases, Department of Pediatrics, 450 Clarkson Avenue, Brooklyn, NY 11203-2098, USA. mhammerschlag@downstate.edu
Introduction:
Chlamydiae are obligate intracellular bacterial pathogens whose entry into mucosal epithelial cells is required for intracellular survival and subsequent growth. The life cycle of Chlamydia spp. and the ability to cause persistent, often subclinical infection, has major ramifications for diagnosis and treatment of C. trachomatis and C. pneumoniae infections in humans.
Areas Covered:
This up-to-date review describes the current state of knowledge of antimicrobial susceptibilities and treatment of genital infections due to C. trachomatis and respiratory infections due to C. pneumoniae.
Expert Opinion:
Chlamydiae are susceptible to antibiotics that interfere with DNA and protein synthesis, including tetracyclines, macrolides and quinolones, which are the compounds that have been most extensively studied and used for treatment of human infection. Treatment of individuals with C. trachomatis genital infection prevents sexual transmission and complications, including pelvic inflammatory disease. Treatment of pregnant women will prevent the transmission of infection to infants during delivery. The benefits of treatment of respiratory infections due to C. pneumoniae are more difficult to assess, primarily because of the lack of FDA-approved, specific diagnostic tests for detection of the organism in clinical samples. The majority of published studies have relied on serology for diagnosis, making it difficult to assess microbiologic efficacy.
Insights
Chlamydia bacteria cause persistent infections requiring treatment with antibiotics like tetracyclines. Prompt treatment of Chlamydia trachomatis genital infections prevents transmission and complications, while C. pneumoniae respiratory infection treatment benefits are harder to assess.
Area of Science:
- Microbiology
- Infectious Diseases
- Pharmacology
Background:
- Chlamydiae are obligate intracellular bacteria necessitating mucosal epithelial cell entry for survival and growth.
- The Chlamydia life cycle and capacity for persistent, subclinical infections significantly impact human disease diagnosis and treatment.
- Chlamydia trachomatis and Chlamydia pneumoniae infections pose significant public health challenges.
Purpose of the Study:
- To review current knowledge on antimicrobial susceptibilities of Chlamydiae.
- To summarize treatment strategies for genital Chlamydia trachomatis and respiratory Chlamydia pneumoniae infections.
- To highlight challenges in diagnosing and assessing treatment efficacy for Chlamydia infections.
Main Methods:
- Literature review of antimicrobial susceptibilities.
- Analysis of treatment outcomes for Chlamydia trachomatis and Chlamydia pneumoniae infections.
- Evaluation of diagnostic methods and their impact on treatment assessment.
Main Results:
- Chlamydiae exhibit susceptibility to antibiotics targeting DNA and protein synthesis, including tetracyclines, macrolides, and quinolones.
- Treatment of C. trachomatis genital infections is effective in preventing sexual transmission and sequelae like pelvic inflammatory disease.
- Treatment during pregnancy prevents infant transmission, but C. pneumoniae respiratory infection treatment efficacy is difficult to ascertain due to diagnostic limitations.
Conclusions:
- Tetracyclines, macrolides, and quinolones are primary treatments for Chlamydia infections.
- Effective treatment of C. trachomatis prevents disease spread and complications.
- Improved diagnostics are needed to fully evaluate C. pneumoniae treatment effectiveness.
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Bacterial Phylum Chlamydiae
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Acute Pharyngitis
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
Acute Pyelonephritis II: Diagnostic Studies and Management
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
Tonsillitis II: Management
