Sulfa or sulfone prophylaxis and geographic region predict mutations in the Pneumocystis carinii dihydropteroate synthase gene

Laurence Huang, Charles B. Beard, Jennifer Creasman, Deborah Levy, Jeffrey S. Duchin, Sherline Lee, Norman Pieniazek, Jane L. Carter, Carlos Del Rio, David Rimland, Thomas R. Navin

Research output: Contribution to journalArticle

128 Citations (Scopus)

Abstract

To determine factors associated with mutations in the Pneumocystis carinii dihydropteroate synthase (DHPS) gene, a prospective study of human immunodeficiency virus (HIV)-infected patients with confirmed P. carinii pneumonia was conducted in Atlanta, Seattle, and San Francisco. Clinical information was obtained from patient interview and chart abstraction. DHPS genotype was determined from DNA sequencing. Overall, 76 (68.5%) of 111 patients had a mutant DHPS genotype, including 22 (81.5%) of 27 patients from San Francisco. In multivariate analysis, sulfa or sulfone prophylaxis and study site were independent predictors of a mutant genotype. Fourteen (53.8%) of 26 patients who were newly diagnosed with HIV infection and had never taken prophylaxis had a mutant genotype. The significance of geographic location as a risk factor for mutant genotype and the high proportion of mutant genotypes among persons never prescribed prophylaxis, including those newly diagnosed with HIV infection, provide indirect evidence that these mutations are transmitted from person to person either directly or through a common environmental source.

Original languageEnglish (US)
Pages (from-to)1192-1198
Number of pages7
JournalJournal of Infectious Diseases
Volume182
Issue number4
DOIs
StatePublished - Jan 1 2000

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Dihydropteroate Synthase
Pneumocystis carinii
Sulfones
Genotype
Mutation
Genes
San Francisco
HIV
Virus Diseases
Geographic Locations
Pneumocystis Pneumonia
DNA Sequence Analysis
Multivariate Analysis
Prospective Studies
Interviews

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases

Cite this

Sulfa or sulfone prophylaxis and geographic region predict mutations in the Pneumocystis carinii dihydropteroate synthase gene. / Huang, Laurence; Beard, Charles B.; Creasman, Jennifer; Levy, Deborah; Duchin, Jeffrey S.; Lee, Sherline; Pieniazek, Norman; Carter, Jane L.; Del Rio, Carlos; Rimland, David; Navin, Thomas R.

In: Journal of Infectious Diseases, Vol. 182, No. 4, 01.01.2000, p. 1192-1198.

Research output: Contribution to journalArticle

Huang, L, Beard, CB, Creasman, J, Levy, D, Duchin, JS, Lee, S, Pieniazek, N, Carter, JL, Del Rio, C, Rimland, D & Navin, TR 2000, 'Sulfa or sulfone prophylaxis and geographic region predict mutations in the Pneumocystis carinii dihydropteroate synthase gene', Journal of Infectious Diseases, vol. 182, no. 4, pp. 1192-1198. https://doi.org/10.1086/315824
Huang, Laurence ; Beard, Charles B. ; Creasman, Jennifer ; Levy, Deborah ; Duchin, Jeffrey S. ; Lee, Sherline ; Pieniazek, Norman ; Carter, Jane L. ; Del Rio, Carlos ; Rimland, David ; Navin, Thomas R. / Sulfa or sulfone prophylaxis and geographic region predict mutations in the Pneumocystis carinii dihydropteroate synthase gene. In: Journal of Infectious Diseases. 2000 ; Vol. 182, No. 4. pp. 1192-1198.
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