Jack Thrasher

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Jack Dwayne Thrasher
DiedJanuary 27, 2017(2017-01-27) (aged 78–79)
Alma materCalifornia State University, Long Beach, UCLA
Scientific career
FieldsImmunotoxicology, environmental toxicology
InstitutionsUniversity of Colorado, UCLA
ThesisThe mouse duodenal progenitor population: size, distribution, cell types and age changes as revealed by Thymidine-H³ and autoradiography. (1964)

Jack Dwayne Thrasher (1938 – January 27, 2017) was an American immunotoxicologist.[1] His area of expertise was primarily the toxicity of formaldehyde,[2][3][4] as well as chlorpyrifos,[5] and he has acted as an expert witness and consultant since 1984.[6] He obtained his bachelor's degree from Cal State Long Beach, after which he traveled to UCLA for five years, during which time he published a paper about the effects of administering thymidine to mice.[7] After he obtained his PhD in 1964, he became an assistant professor at the University of Colorado, Denver, before switching to the Department of Anatomy at the University of California, Los Angeles from 1966 to 1972. While at UCLA, he published a number of papers about the epithelium of various parts of the mouse.[8][9] The numerous companies he has worked for include Millipore Corporation, which he worked for from 1973 to 1975 as an Application Specialist and Project Manager. More recently, Dr. Thrasher has testified in a court case in which the plaintiff alleged that exposure to fragrances and cosmetics caused her to develop toxic encephalopathy and impairment of her sense of smell due to multiple chemical sensitivity,[10] and has voiced opposition to the practice of treating plants with pesticides, particularly tralomethrin, saying "this practice is insanity."[11]


  1. ^ "Jack Dwayne Trasher, Ph.D."
  2. ^ Thrasher, J. D.; Kilburn, K. H. (2001). "Embryo Toxicity and Teratogenicity of Formaldehyde". Archives of Environmental Health. 56 (4): 300. doi:10.1080/00039890109604460.
  3. ^ Thrasher, J. D.; Wojdani, A.; Cheung, G.; Heuser, G. (1987). "Evidence for Formaldehyde Antibodies and Altered Cellular Immunity in Subjects Exposed to Formaldehyde in Mobile Homes". Archives of Environmental Health. 42 (6): 347–350. doi:10.1080/00039896.1987.9934357. PMID 3439811.
  4. ^ Thrasher, J. D.; Broughton, A.; Micevich, P. (1988). "Antibodies and immune profiles of individuals occupationally exposed to formaldehyde: Six case reports". American Journal of Industrial Medicine. 14 (4): 479–488. doi:10.1002/ajim.4700140411. PMID 2973232.
  5. ^ Thrasher, J. D.; Madison, R.; Broughton, A. (1993). "Immunologic Abnormalities in Humans Exposed to Chlorpyrifos: Preliminary Observations". Archives of Environmental Health. 48 (2): 89. doi:10.1080/00039896.1993.9938400. PMID 7682805.
  6. ^ 2nd page of Dr. Thrasher's CV
  7. ^ Greulich, R. C.; Cameron, I. L.; Thrasher, J. D. (1961). "Stimulation of mitosis in adult mice by administration of thymidine". Proceedings of the National Academy of Sciences of the United States of America. 47 (6): 743–748. doi:10.1073/pnas.47.6.743. PMC 221335. PMID 13708513.
  8. ^ Thrasher, J. D. (1967). "Age and the cell cycle of the mouse colonic epithelium". The Anatomical Record. 157 (4): 621–625. doi:10.1002/ar.1091570408. PMID 6035002.
  9. ^ Thrasher, J. D. (1971). "Age and the cell cycle of the mouse esophageal epithelium". Experimental Gerontology. 6 (1): 19–24. doi:10.1016/0531-5565(71)90044-1. PMID 5572735.
  10. ^ Adverse Court Rulings Related to Clinical Ecology Theories and Methodology
  11. ^ Winegar, Karin (July–August 1998). "Danger in the Air". Mother Jones. Retrieved 10 October 2013.