Natalie Johnson, Ph.D.

Natalie Johnson, Ph.D.

Assistant Professor

Environmental and Occupational Health
212 Adriance Lab Rd.
College Station, TX   77843-1266

Phone: 979-862-4622
Fax: 979-845-0885
Accessible Version

Education and Training

Johns Hopkins University
Post-Doctoral Fellowship, Bloomberg School of Public Health

Texas A&M University
Ph.D., College of Veterinary Medicine and Biomedical Sciences

Texas A&M University
B.S., College of Science

Research Interests

  • Environmental carcinogenesis
  • Health disparities in undeserved populations
  • Biomarkers of exposure and dose
  • Cancer prevention

Selected Publications

  • Mitchell NJ, Kumi J, Johnson NM, Dotse E, Marroquin-Cardona A, Wang JS, Jolly PE,  Ankrah NA, Phillips TD. 2013. Reduction in the urinary aflatoxin M1 biomarker as an early indicator of the efficacy of dietary interventions to reduce exposure to aflatoxins. Biomarkers. 18:391-8. PMID:23697800
  • Robinson A, Johnson NM, Strey A, Taylor JF, Marroquín-Cardona A, Mitchell NJ, Afriyie-Gyawu E, Ankrah NA, Williams JH, Wang JS, Jolly PE, Nachman RJ, Phillips TD. 2012. Calcium montmorillonite clay reduces urinary biomarkers of fumonisin B1 exposure in rats and humans. Food Addit Contam 29:809-18. PMID: 22324939    
  • Marroquín-Cardona A, Deng Y, Garcia-Mazcorro JF, Johnson NM, Mitchell NJ, Tang L, Robinson A, Taylor JF, Wang JS, Phillips TD. 2011. Characterization and safety of uniform particle size NovaSil clay as a potential aflatoxin enterosorbent. Appl Clay Sci 54: 248-57. PMID: 22249378
  • Johnson NM, Qian G, Xu L, Tietze D, Marroquín-Cardona A, Robinson A, Rodriguez M, Kaufman L, Cunningham K, Wittmer J, Guerra F, Donnelly KC, Williams JH, Wang JS, Phillips TD. 2010. Aflatoxin and PAH exposure biomarkers in a U.S. population with a high incidence of hepatocellular carcinoma. Sci Total Environ 408:6027-31. PMID: 20870273
  • Johnson NM, Afriyie-Gyawu E, Huebner HJ, Marroquin-Cardona A, Robinson A, Tang L, Xu L, Ankrah NA, Ofori-Adjei D, Jolly PE, Williams JH, Wang JS, Phillips TD. 2009. PAH Exposure in a Ghanaian population at high risk for aflatoxicosis. Sci Total Environ 407:1886-91. PMID: 19144392
  • Marroquín-Cardona A, Taylor JF, Hallmark CT, Deng Y, Johnson NM, Phillips TD. 2009. In vitro and in vivo characterization of mycotoxin-binding additives used for animal feeds in México. Food Addit Contam 26:733-43. PMID: 19680945   
  • Afriyie-Gyawu E, Wang Z, Ankrah NA, Xu L, Johnson NM, Tang L, Guan H, Huebner HJ, Jolly PE Ellis WO, Taylor R, Brattin B, Ofori-Adjei D, Williams JH, Wang JS, Phillips TD. 2008. NovaSil clay does not affect the concentrations of vitamins A and E and nutrient minerals in serum samples from Ghanaians at high risk for aflatoxicosis. Food Addit Contam 25:872-84. PMID: 18569006
  • Wang P, Afriyie-Gyawu E, Tang Y, Johnson NM, Xu L, Tang L, Huebner HJ, Ankrah NA, Ofori-Adjei D, Ellis WO, Jolly PE, Williams JH, Wang JS, Phillips TD. 2008. NovaSil clay intervention in Ghanaians at high risk for aflatoxicosis: II. Reduction in biomarkers of aflatoxin exposure in blood and urine. Food Addit Contam 25:622-34. PMID: 18478481 
  • Afriyie-Gyawu E, Ankrah NA, Huebner HJ, Ofosuhene M, Kumi J, Johnson NM, Tang L, Xu L, Ofori-Adjei D, Williams JH, Wang JS, Phillips, TD. 2008. NovaSil clay intervention in Ghanaians at high risk for aflatoxicosis: I. Study design and clinical outcomes. Food Addit Contam 25:76-87. PMID: 17852392