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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Transfer of a gene encoding the anticandidal protein histatin 3 to salivary glands.

Mucosal candidiasis, the most common opportunistic fungal infection in human immunodeficiency virus (HIV)-infected patients, is an early sign of clinically overt acquired immunodeficiency syndrome (AIDS) and an important cause of morbidity, particularly in HIV-infected children. The appearance of azole-resistant strains of Candida albicans had made clinical management of candidiasis increasingly difficult. We propose a novel approach to the management of candidal infections that involves the use of naturally occurring antifungal proteins, such as the histatins. Histatins are a family of small proteins that are secreted in human saliva. We have constructed recombinant adenovirus vectors that contain the histatin 3 cDNA. These vectors are capable of directing the expression of histatin 3 in the saliva of rats at up to 1,045 micrograms/ml, well above the levels found in normal human saliva. The adenovirus-directed histatin demonstrated a 90% candidacidal effect in the timed-kill assay against both fluconazole-susceptible and fluconazole-resistant strains of C. albicans and inhibited germination by 45% in the same strains. These studies suggest that a gene transfer approach to overexpress naturally occurring antifungal proteins may be useful in the management of mucosal candidiasis.[1]


  1. Transfer of a gene encoding the anticandidal protein histatin 3 to salivary glands. O'Connell, B.C., Xu, T., Walsh, T.J., Sein, T., Mastrangeli, A., Crystal, R.G., Oppenheim, F.G., Baum, B.J. Hum. Gene Ther. (1996) [Pubmed]
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