David Hawkins

Dynamic scientist with extensive experience in forensic and research science, specializing in nucleic acid purification and analysis. Issued over 800 DNA reports and provided expert testimony in 60 court cases. Recognized for strong analytical skills and a collaborative approach, ensuring quality and accuracy in high-pressure environments.

• S. Piera-Velazquez, D.F. Hawkins, M.K. Whitecavage, D.C. Colter, D.G. Stokes, S.A. Jimenez, "Regulation of the human Sox9 promoter by Spl and CREB", Experimental Cell Research, 313, 2007, 1069-1079
• D.C. Colter, S. Piera-Velazquez, D.F. Hawkins, M.K. Whitecavage, S.A. Jimenez, D.G. Stokes, "Regulation of the human Sox9 promoter by the CCAAT-binding factor", Matrix Biology, 24, 2005, 185-197
• I.B. Coimbra, S.A. Jimenez, D.F. Hawkins, S. Piera-Valazquez, D.G. Stokes, "Hypoxia inducible factor-I alpha expression in human normal and osteoarthritic chondrocytes", Osteoarthritis and Cartilage, 12, 4, 2003, 336-345
• D. Stokes, G. Liu, R. Dharmavaram, D. Hawkins, S. Piera-Velazquez, S.A. Jimenez, "Regulation of type-Il collagen gene expression during human chondrocyte de-differentiation and recovery of chondrocyte-specific phenotype in culture involves Sry-type high-mobility-group box (SOX) transcription factors", Biochemical Journal, 360, 2001, 461-470
• G.R. Dodge, D.F. Hawkins, E. Boesler, L. Sakai, S.A. Jimenez, "Production of Cartilage Oligomeric Protein (COMP) by Cultured Human Dermal and Synovial Fibroblasts", Osteoarthritis and Cartilage, 6, 6, 1998, 435-440
• P.J. Christner, L.D. Siracusa, D.F. Hawkins, R. McGrath, J.K. Betz, S.T. Ball, S.A. Jimenez, J. Peters, "A High-Resolution Linkage Map of the Tight Skin 2 (Tsk2) Locus: a Mouse Model for Scleroderma and Other Cutaneous Fibrotic Diseases", Mammalian Genome, 7, 8, 1996, 610-612
• P.J. Christner, J. Peters, D.F. Hawkins, L.D. Siracusa, S.A. Jimenez, "The Tight Skin 2 Mouse - An Animal Model of Scleroderma Displaying Cutaneous Fibrosis and Mononuclear Cell Infiltration", Arthritis Rheumatism, 38, 12, 1995, 1791-1798

• G.R. Dodge, D.F. Hawkins, S.A. Jimenez, "Modulation of aggrecan, MMPI, and MMP3 production by glucosamine sulfate in cultured human osteoarthritis articular chondrocytes", Arthritis Rheumatism, 42, suppl., 1999, S253
• S. Grässel, M. L. Chu, R. Timple, D. Hawkins, G.R. Dodge, "Type XVI collagen is expressed in human articular chondrocytes and cultured synovial cells", American College of Rheumatology 64th Annual Scientific Meeting, San Diego, November, 1998
• P.J. Christner, R. McGrath, D.F. Hawkins, L.D. Siracusa, S.A. Jimenez, "A mutation in the fibrillin gene influences al (I) procollagen mRNA levels in Tsk mouse embryonic cell lines", American College of Rheumatology 60th Annual Scientific Meeting, Orlando, October, 1996
• P.J. Christner, L.D. Siracusa, D.F. Hawkins, R. McGrath, J.K. Betz, S.T. Ball, S.A. Jimenez, J. Peters, "A high-resolution linkage map of the tight skin 2 (Tsk2) locus: a mouse model for scleroderma (SSc) and other cutaneous fibrotic diseases", American College of Rheumatology, 60th Annual Scientific Meeting, Orlando, October, 1996
• P.J. Christner, J. Peters, D.F. Hawkins, L.D. Siracusa, S.A. Jimenez, "Preliminary characterization of a novel tight skin mutation in the mouse: Tsk2", 14th Annual East Coast Connective Tissue Meeting, Baltimore, March, 1994
• P.J. Christner, L.D. Siracusa, J. Peters, D.F. Hawkins, S.A. Jimenez, "Tsk2, A novel animal model of Scleroderma: Biochemical, Histopathological, and Genetic Characterization", American College of Rheumatology 58th Annual Scientific Meeting, Minneapolis, October, 1994

• Purification of nucleic acids
• Real-time PCR
• Multi-plex & Conventional PCR
• Capillary electrophoresis
• Northern blot analysis
• Southern blot analysis
• SDS-PAGE
• Western blot analysis
• ChIP assay
• DNAse I footprinting
• Plasmid construction
• Immunofluorescent and fluorescent staining and microscopy
• Radioisotope handling
• Extensive tissue culture experience
• Cell transfection and adenovirus production
• Computer sequence analysis
• General laboratory maintenance and management

• Entrusted to work on many cold case and high profile criminal investigations that lead to criminal convictions.