Article

Lack of effects of the TNF-alpha and IL-10 gene polymorphisms in Mexican patients with lepromatous leprosy.

Centro de Medicina Genómica del Hospital General de Culiacán "Dr. Bernardo J. Gastélum", Servicios de Salud de Sinaloa, Culiacán, Sinaloa, México.
Leprosy review (impact factor: 1.04). 03/2012; 83(1):34-9. pp.34-9
Source: PubMed

ABSTRACT Several human genetic variants have been associated with susceptibility or resistance to leprosy. The aim of this study was to assess whether gene polymorphisms of -308 G/A TNF-alpha and -819 T/C IL-10 are associated with lepromatous leprosy in Mexican mestizos patients from northwest Mexico. We genotyped these polymorphisms by means of polymerase chain reaction (PCR) and restriction fragment length polymorphisms (RFLPs) in 68 patients with lepromatous leprosy and 144 healthy Mexican Mestizos controls. We found that the -308G TNF-alpha allele was predominant in both cases (94.3%) and controls (92.3%) without statistical significance and the frequencies of -819C IL-10 allele were also similar for the cases (56.0%) and controls (59.0%). These negative findings suggest that other genes or polymorphisms may be important in the susceptibility to leprosy infection in the Mexican mestizos.

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Keywords

-308 G/A TNF-alpha
 
-308G TNF-alpha allele
 
144 healthy Mexican Mestizos controls
 
gene polymorphisms
 
human genetic variants
 
lepromatous leprosy
 
leprosy infection
 
Mexican mestizos
 
Mexican mestizos patients
 
polymerase chain reaction
 
polymorphisms
 
restriction fragment length polymorphisms
 
RFLPs
 
susceptibility