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Optimized Protocols for Mycobacterium leprae Strain Management: Frozen Stock Preservation and Maintenance in Athymic Nude Mice
Published on: March 23, 2014
[Current status of leprosy]
Patrice Bourée1, George-Yves de Carsalade
1Faculté de médecine Paris-Sud, et institut Alfred-Fournier, 75014 Paris. patrice.bouree@bct.aphp.fr
Abstract:
Leprosy, known since antiquity, is a world infectious disease due to Mycobacterium leprae. The transmission is probably via nasal droplets. The clinical range, from tuberculoid to lepromatous leprosy is a result of variation in the cell-mediated immune response, with a chronic inflammation in skin and peripheral nerves. Diagnosis of leprosy is clinical with anesthetic skin lesion and skin smears detect acid fast bacilli. Besides the classification of patients due to the Ridley scale which is clinically useful, WHO proposed is a simple field classification based on the number of skin patches (paucibacillary or multibacillary). Despite an effective multidrug therapy, leprosy has not been eliminated and remains an important health problem.
Insights
Leprosy, a chronic infectious disease caused by Mycobacterium leprae, presents a wide clinical spectrum due to immune response variations. Despite effective multidrug therapy, it remains a significant global health challenge.
Area of Science:
- Infectious Diseases
- Immunology
- Dermatology
Context:
- Leprosy, historically significant, is an infectious disease caused by Mycobacterium leprae, likely transmitted via nasal droplets.
- The disease manifests a spectrum from tuberculoid to lepromatous forms, dictated by cell-mediated immune responses.
- Chronic inflammation affects the skin and peripheral nerves, characteristic of leprosy.
Purpose:
- To provide an overview of leprosy, including its cause, transmission, clinical presentation, and diagnosis.
- To discuss existing classification systems for leprosy patients.
- To highlight the persistent global health impact of leprosy despite available treatments.
Summary:
- Leprosy is an infectious disease caused by Mycobacterium leprae, characterized by chronic inflammation of skin and nerves, with varied clinical presentations.
- Diagnosis relies on clinical signs like anesthetic skin lesions and detection of acid-fast bacilli in skin smears.
- Patient classification utilizes the Ridley scale and the World Health Organization's (WHO) paucibacillary/multibacillary field classification.
Impact:
- Leprosy remains a significant global health problem, necessitating continued efforts in control and elimination.
- Understanding the immune response variations is crucial for managing the disease spectrum.
- Effective multidrug therapy exists, yet challenges in leprosy elimination persist worldwide.
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