01540nas a2200253 4500000000100000008004100001260001300042653001200055653002000067653003800087653001100125653001200136653003700148100001400185700001100199700001500210245004300225856006200268300001100330490000600341050001600347520090900363022001401272 2002 d c2002 Dec10aAnimals10aGenetic Linkage10aGenetic Predisposition to Disease10aHumans10aleprosy10aMajor Histocompatibility Complex1 aFitness J1 aTosh K1 aHill A V S00aGenetics of susceptibility to leprosy. uhttp://www.nature.com/gene/journal/v3/n8/pdf/6363926a.pdf a441-530 v3 aFITNESS20023 a

The ancient disease of leprosy can cause severe disability and disfigurement and is still a major health concern in many parts of the world. Only a subset of those individuals exposed to the pathogen will go on to develop clinical disease and there is a broad clinical spectrum amongst leprosy sufferers. The outcome of infection is in part due to host genes that influence control of the initial infection and the host's immune response to that infection. Identification of the host genes that influence host susceptibility/resistance will enable a greater understanding of disease pathogenesis. In turn, this should facilitate development of more effective therapeutics and vaccines. So far at least a dozen genes have been implicated in leprosy susceptibility and a genome-wide linkage study has lead to the identification of at least one positional candidate. These findings are reviewed here.

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