Assistant Professor, Biology Department
Chairperson, Biology Department
Phone: 814-871-7752
Office: Z 202

  • Courses Taught
  • Educational History
  • Professional Experience
  • Professional Societies
  • Publications
  • Service

Courses Taught

  • Molecular and Cellular Biology (BIOL 122)
  • Molecular and Cellular Biology Lab (BIOL 123)
  • Biology of Cancer (BIOL 495)
  • Cellular Biochemistry (BIOL 373)

Educational History

  • Ph.D. in Comparative Biomedical Sciences, December 2007 North Carolina State University, Raleigh, NC. Dissertation: "C/EBPbeta represses p53 to promote cell survival downstream of DNA damage independent of oncogenic Ras and p19Arf". Advisor: Dr. Robert C. Smart.
  • B.S. in Biology, minor in Chemistry, May 2001, Penn State Behrend, The Erie College, Erie, PA. University Schreyer Scholar Thesis:  "Genetic Diversity in Black Cherry (Prunus serotina) Using Microsatellite DNA Markers". Advisor: Dr. Michael Campbell.

Professional Experience

  • Assistant Professor of Biology, Gannon University, Erie, PA (2009 - Present)
  • Director of Pre-Professional Programs, Gannon University, Erie, PA (2009 - Present)
  • Lecturer in Biology, Penn State Behrend, the Erie College, Erie, PA (2007 - 2009)

Professional Societies

  • Sigma Xi, The Scientific Research Society (Northwest Pennsylvania Chapter)
  • Society of Toxicology (SOT)
  • American Association for the Advancement of Science (AAAS)
  • American Society for Cell Biology (ASCB)
  • National Association for Biology Teachers (NABT)
  • National Association of Advisors for the Health Professions (NAAHP)
  • Northeast Association of Advisors for the Health Professions (NEAAHP)


Peer Reviewed Articles:

  • Ewing, S. J., Zhu, S. Zhu, F. House, J. S. & Smart, R. C. (2008). C/EBPb represses p53 to promote cell survival downstream of DNA damage independent of oncogenic Ras and p19Arf. Cell Death and Differentiation, 15(11), 1734-1744.
  • Yoon, K., Zhu, S., Ewing, S.J., Smart, R.C. (2007) Decreased survival of C/EBPb-deficient keratinocytes is due to aberrant regulation of p53 levels and function. Oncogene, (26):360-367. 
  • Shim, M., Powers, K.L., Ewing, S.J., Zhu, S., Smart, R.C.  (2005) Diminished expression of C/EBPa in skin carcinomas is linked to oncogenic Ras and re-expression of C/EBPa in carcinoma cells inhibits proliferation. Cancer Res, 65(3):861-867.
  • Moorefield, K.S., Fry, S.J., Horowitz, J.M.  (2004) Sp2 DNA-binding activity and trans-activation are negatively regulated in mammalian cells. J Biol Chem, 279(14):13911-13924.

Book Chapters:

  • Smart, R.C., Ewing, S.J., & Loomis, K.D. (2008). Carcinogenesis.  In R. C. Smart & E. Hodgson (Eds.), Molecular and biochemical toxicology (pp. 537-586). New York: John Wiley and Sons.

Published Abstracts:

  • Ewing, S.J., Zhu, S., Smart, R.C. (2007) C/EBPb regulates p53 downstream of DNA damage independent of oncogenic stress and p19Arf.  American Association for Cancer Research Annual Meeting 2007, April 2007, Los Angeles, CA.
  • Fry, S.J., Campbell, M.A. (2001) Determining Genetic Diversity in Black Cherry, Prunus serotina, using Microsatellite Markers. International Plant and Animal Genomes Conference, January 2001, San Diego, CA.


  • Library and Learning University Standing Committee Member (Fall 2012 - Present)
  • College Academic Affairs Committee Member for Morosky College of Health Professions and Sciences (Fall 2011 - Present)
  • Student Conduct University Standing Committee Member (Fall 2010 - Present)