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Low serum levels of cathelicidin LL-37 in leprosy
- Matzner, Michael, Al Samie, Abdul Rahim, Winkler, Heide-Maria, Nemeth, Johannes, Grasnek, Andreas, Indra, Alexander, Bieglmayer, Christian, Winkler, Stefan
- Acta tropica 2011 v.117 no.1 pp. 56-59
- Mycobacterium leprae, antimicrobial peptides, blood serum, leprosy, patients, Yemen
- The antimicrobial peptide cathelicidin LL-37 possesses antituberculous activity, its association with other mycobacterial diseases, such as leprosy, is unknown. We studied serum cathelicidin and 25OH-vitamin D3 levels in 29 leprosy patients and 19 healthy individuals from Yemen. Cathelicidin levels were significantly lower in both treated (n=15) and untreated leprosy patients (n=14) when compared to controls (P<0.001). Within leprosy patients, levels were lower in those who very recently developed disease (untreated group) when compared to already treated patients (P<0.05). 25OH-vitamin D3 levels were not different between groups. The results suggest a potential association of cathelicidin LL-37 with Mycobacterium leprae infection.