Department of Bioscience Research
College of Dentistry

MEMPHIS TN 381632167
Tel: (901) 448-7220


  • Ph.D., University of Memphis, Memphis TN, Cell Biology
  • D.D.S., University of Tennessee College of Dentistry, Memphis TN, Dentistry
  • B.A., Vanderbilt University, Nashville TN, Biology


  1. Nakashyan V, Tipton D, Karydis A. Livada R. Stein S. Vitamin D attenuation of inflammatory cytokine production by gingival fibroblasts. J Periodont Res (52), 832-841, 2017.
  2. Tipton, DA, Christian, J, Blumer, A. Effects of cranberry components on IL-1β-stimulated production of IL-6, IL-8 and VEGF by human TMJ synovial fibroblasts. Arch Oral Biol, 68, 88-96, 2016.
  3. Tipton, DA, Hatten, AA, Babu, JP, Dabbous, MKh. Effect of glycated albumin and cranberry components on interleukin-6 and matrix metalloproteinase-3 production by human gingival fibroblasts. J Periodontal Res, 51 (2), 228-36, 2016.
  4. Stein, SH, Livada, R, Tipton, DA. Re-evaluating the role of vitamin D in the periodontium. J Periodontal Res, 49 (5), 545-53, 2014.
  5. Tipton, DA, Carter, TB, Dabbous, MKh. Inhibition of interleukin 1β-stimulated interleukin-6 production by cranberry components in human gingival epithelial cells: effects on nuclear factor κB and activator protein 1 activation pathways. J Periodontal Res, 49 (4), 437-47, 2014.
  6. Shiloah, J, Bland, PS, Scarbecz, M, Patters, MR, Stein, SH, Tipton, DA. The effect of long-term aspirin intake on the outcome of non-surgical periodontal therapy in smokers: a double-blind, randomized pilot study. J Periodontal Res, 49 (1), 102-9, 2014.
  7. Tipton, DA, Cho, S, Zacharia, N, Dabbous, MK. Inhibition of interleukin-17-stimulated interleukin-6 and -8 production by cranberry components in human gingival fibroblasts and epithelial cells. J Periodontal Res, 48 (5), 638-46, 2013.
  8. Tipton, DA, Babu, JP, Dabbous, MKh. Effects of cranberry components on human aggressive periodontitis gingival fibroblasts. J Periodontal Res, 48 (4), 433-42, 2013.
  9. Rawal, SY, Tatakis, DN, Tipton, DA. Periodontal and oral manifestations of marijuana use. J Tenn Dent Assoc, 92 (2), 26-31; quiz 31-2, 2013.
  10. Rawal, SY, Dabbous, MKh, Tipton, DA. Effect of cannabidiol on human gingival fibroblast extracellular matrix metabolism: MMP production and activity, and production of fibronectin and transforming growth factor β. J Periodontal Res, 47 (3), 320-9, 2012.
  11. Stein, SH, Dean, IN, Rawal, SY, Tipton, DA. Statins regulate interleukin-1β-induced RANKL and osteoprotegerin production by human gingival fibroblasts. J Periodontal Res, 46 (4), 483-90, 2011.
  12. Stein, SH, Tipton, DA. Vitamin D and its impact on oral health--an update. J Tenn Dent Assoc, 91 (2), 30-3; quiz 34-5, 2011.
  13. Tipton, DA, Seshul, BA, Dabbous, MKh. Effect of bisphosphonates on human gingival fibroblast production of mediators of osteoclastogenesis: RANKL, osteoprotegerin and interleukin-6. J Periodontal Res, 46 (1), 39-47, 2011.
  14. Tipton, DA, Legan, ZT, Dabbous, MKh. Methamphetamine cytotoxicity and effect on LPS-stimulated IL-1beta production by human monocytes. Toxicol In Vitro, 24 (3), 921-7, 2010.
  15. Tipton, DA, Lewis, JW. Effects of a hindered amine light stabilizer and a UV light absorber used in maxillofacial elastomers on human gingival epithelial cells and fibroblasts. J Prosthet Dent, 100 (3), 220-31, 2008.
  16. Tipton, DA, Gay, DC, DeCoster, VA. Effect of a cyclooxygenase-2 inhibitor on interleukin-1beta-stimulated activation of the transcription factor nuclear factor-kappa B in human gingival fibroblasts. J Periodontol, 78 (3), 542-9, 2007.
  17. Tipton, DA, Hamman, NR, Dabbous, MKh. Effect of myrrh oil on IL-1beta stimulation of NF-kappaB activation and PGE(2) production in human gingival fibroblasts and epithelial cells. Toxicol In Vitro, 20 (2), 248-55, 2006.
  18. Tipton, DA, Woodard, ES, Baber, MA, Dabbous, MKh. Role of the c-myc proto-oncogene in the proliferation of hereditary gingival fibromatosis fibroblasts. J Periodontol, 75 (3), 360-9, 2004.
  19. Tipton, DA, Flynn, JC, Stein, SH, Dabbous, MKh. Cyclooxygenase-2 inhibitors decrease interleukin-1beta-stimulated prostaglandin E2 and IL-6 production by human gingival fibroblasts. J Periodontol, 74 (12), 1754-63, 2003.
  20. Tipton, DA, Lyle, B, Babich, H, Dabbous, MKh. In vitro cytotoxic and anti-inflammatory effects of myrrh oil on human gingival fibroblasts and epithelial cells. Toxicol In Vitro, 17 (3), 301-10, 2003.
  21. Keiser, K, Johnson, CC, Tipton, DA. Cytotoxicity of mineral trioxide aggregate using human periodontal ligament fibroblasts. J Endod, 26 (5), 288-91, 2000.