Study of Antibodies and Cytokines in Leprosy Nerve Damage
Author Information
Author(s): Jadhav Rupendra, Suneetha Lavanya, Kamble Ravindra, Shinde Vidyagouri, Devi Karuna, Chaduvula Meher Vani, Raju Renuka, Suneetha Sujai, Nicholls Peter G., van Brakel Wim H., Lockwood Diana N. J.
Primary Institution: Stanley Brown Laboratories, The Leprosy Mission, Shahdara, New Delhi, India
Hypothesis
Raised PGL-1 levels would be a risk factor for developing reactions and nerve damage as well as being correlated with bacterial load.
Conclusion
The study found that the antibody response to mycobacterial antigens, nerve antigens, and cytokines could contribute to nerve function impairment in leprosy.
Supporting Evidence
- 303 newly diagnosed leprosy patients were enrolled in the study.
- Antibodies to PGL-1, LAM, ceramide, S100, and TNFα levels were measured.
- S-100, PGL IgG, and IgM levels were lowest in patients with BT leprosy and highest in lepromatous leprosy.
- Old sensory nerve function impairment was associated with elevated levels of certain antibodies.
- The study identified a significant association between PGL-1 antibody levels and the occurrence of reactions and nerve damage.
Takeaway
This study looked at blood markers in leprosy patients to see if they could help predict nerve damage. They found that certain antibodies were linked to nerve problems.
Methodology
A cohort study of 303 newly diagnosed leprosy patients was conducted, measuring antibodies and cytokines using ELISA techniques.
Limitations
The study did not find a new serological marker for the detection of leprosy reactions.
Participant Demographics
Newly diagnosed leprosy patients from North India.
Statistical Information
P-Value
p<0.001
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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