DNA Expert Witness and Consultant - Applied DNA Resources

1998 - Present	Principle and Founder Applied DNA Resources, Columbus, Ohio
1998	Research Assistant Scientist The Johns Hopkins University School of Public Health Department of Molecular Microbiology and Immunology Baltimore, Maryland
1996 - 1997	Research Associate The Johns Hopkins University School of Public Health Department of Molecular Microbiology and Immunology Baltimore, Maryland
1993 - 1996	Postdoctoral Fellow The Johns Hopkins University School of Medicine Department of Gynecologic Pathology Baltimore, Maryland
1994 - 1996	Associate The Johns Hopkins University School of Public Health Department of Immunology and Infectious Disease Baltimore, Maryland
1983 - 1989	Senior Research Technician The Johns Hopkins University School of Public Health Department of Immunology and Infectious Disease Baltimore, Maryland
Education
1993	Doctorate of Philosophy - Molecular Biology and Virology The Johns Hopkins University School of Public Health Department of Immunology and Infectious Disease Baltimore, Maryland
1983	Bachelor of Science - Biological Sciences The Ohio State University Department of Biologic Sciences
Honors and Awards
1993 - 1996	Research Fellowship The Richard W. TeLinde Endowment The Johns Hopkins University School of Medicine Department of Pathology Baltimore, Maryland
1990 - 1993	Post Certification Scholarship The Johns Hopkins University School of Public Health Department of Immunology and Infectious Disease Baltimore, Maryland
1991	Frederik B. Bang Award Outstanding Research in the Area of Pathobiology The Johns Hopkins University School of Public Health Department of Immunology and Infectious Disease Baltimore, Maryland
1989 -1990	National Research Service Award Scholarship National Institutes of Health Bethesda, Maryland
Publications

McDonnell P., McDonnell J., Kessis T., Green W., Shah K. Detection of Human Papillomavirus Type 6/11 DNA in Conjunctival Papillomas by In Situ Hybridization with Radioactive Probes. Human Pathology 1987; 18,1115-1119.

Crissman J., Kessis T., Shah K., Fu Y., Stoler M., Zarbo R., Weiss M. Squamous Papillary Neoplasia of the Adult Upper Aerodigestive Tract. Human Pathology 1988; 19,1387-1396.

Kashima H., Kutcher M., Kessis T., Levin L., de Villiers E., Shah K. Human Papillomavirus in Squamous Cell Carcinoma, Leukoplakia, Lichen Planus, and Clinically Normal Epithelium of the Oral Cavity. Annals of Otology, Rhinology, and Laryngology 1990; 99,55-61.

Park J., Kurman R., Kessis T., and Shah K. Comparison of Peroxidase Labeled DNA Probes for the Detection of Human Papillomaviruses by In Situ Hybridization in Paraffin Sections. Modern Pathology 1991; 4,81-85.

Toki T., Kurman R., Park J., Kessis T., Daniel R., Shah K. Probable Non-papillomavirus Etiology of Squamous Cell Carcinoma of the Vulva in Older Women. A Clinicopathologic Study Using In Situ Hybridization and Polymerase Chain Reaction. International Journal of Gynecological Pathology 1991; 10,107-125.

Park J., Leake J., Toki T., Kessis T., Ambros R., and Shah K. Variability in ß-Globin and HPV DNA Amplification by PCR from Fixed Tissues. Modern Pathology 1991; 4,667-670.

Kashima H., Kessis T., Mounts P., Shah K. Polymerase Chain Reaction Identification of Human Papillomavirus DNA in CO2 Laser Plume from Recurrent Respiratory Papillomatosis. Otolaryngol Head Neck Surgery 1991; 104,191-195.

Kashima H., Kessis T., Hruban R., Wu T., Zinreich S., Shah K. Human Papillomavirus in Sino-nasal Papillomata and Squamous Cell Carcinoma. Laryngoscope 1992; 102,973-6.

Kessis T., Slebos R., Nelson W., Kastan M., Plunkett B., Lorincz A., Hedrick L., Cho K. Human Papillomavirus 16 E6 Expression Disrupts the p53-Mediated Response to DNA damage. Proceedings of the National Academy of Sciences of the United States of America 1993; 90,3988-3992.

Kessis, T., Slebos R., Shah K., Hedrick L., Cho K. P53 Gene Mutations and MDM2 Amplification are Uncommon in Primary Carcinomas of the Uterine Cervix. American Journal of Pathology 1993; 143,1398-1405.

Burks R., Kessis T., Cho K., Hedrick L. Microsatellite Instability in Endometrial Carcinomas. Oncogene 1994; 9,1163-1166.

Slebos R., Lee M., Plunkett B., Kessis T., Williams B., Jacks T., Hedrick L., Kastan M., Cho K. P53-Dependent G1 Arrest Involves pRB-related Proteins and is Disrupted by HPV16 E7. Proceedings of the National Academy of Sciences of the United States of America. 1994; 91,5320-5324.

Slebos R., Kessis T., Chen A., Hedrick L., Cho K. Functional Consequences of Directed Mutations in the HPV E6 Proteins: Abrogation of the p53 Mediated Cell Cycle Arrest Correlates with p53 Binding and Degradation in vitro. Virology 1994; 208,111-120.

Shah K., Kessis T., Shah F., Shibata D., Jones R. Human papillomavirus (HPV) Investigation of Patients with CIN, Some of Whom Progressed to Invasive Cancer. International Journal of Gynecological Pathology 1995; 15,127-130.

Isacson C., Kessis T., Hedrick L., Cho K. Both Proliferation and Apoptotic Indices Increase with Lesion Grade in Cervical Neoplasia but are Irrespective of Human Papillomavirus Type. Cancer Research 1996; 56, 669-674.

Kessis T., Hedrick L., Cho K. Expression of HPV 16 E6 or E7 Increases the Frequency of Spontaneous Extrachromosomal Recombination. Oncogene 1996; 13:427-431.

Kessis T., Silberman M., Hedrick L., Cho K. Rapid Identification of Patient Specimens with Microsatellite DNA Markers. Modern Pathology 1996; 9,183-188.

Kim Y., Thomas N., Kessis T., Wilkinson E., Hedrick L., Cho, K. P53 Mutations and Clonality in Vulvar Carcinomas and Squamous Hyperplasias: Evidence Suggesting that Squamous Hyperplasias do not Serve as Direct Precursor of HPV-Negative Vulvar Carcinomas. Human Pathology 1996; 27,389-395.

DeWeese T., Walsh J., Dillehay L., Kessis T., Hedrick L., Cho K., Nelson W. Human Papillomavirus E6 and E7 Oncoproteins Alter Cell Cycle Progression but Not Radiosensitivity of Carcinoma Cells Treated with Low Dose-Rate Radiation. International Journal of Radiation Oncology, Biology, and Physics 1996; 37, 145-154, 1997.

Presentations

Schneider A., Savada E., Kessis T., Daniel R., Gissman L., Druckman D., Shah K. Human Papillomavirus (HPV) Prevalence Detected by Filter In Situ Hybridization in High Risk populations. Fourth International Papillomavirus Workshop 1985; Kuopio, Finland.

Shah K., Kessis T., Shibata D., Shah F., Daniel R., McLean M., Jones R. Papillomavirus Types and Progression of Carcinoma of the Cervix to Invasive Cancer. Seventh International Papillomavirus Workshop 1988; Nice, France.

Schneider A., Grubert T., Kessis T., Gissman L., Shah K. Detection of HPV16 in Normal Epithelium Adjacent to Cervical Intraepithelial Neoplasia Grade III. Eighth International Papillomavirus Workshop 1989; Taos, New Mexico.

Kessis T., Shah K. Detection of p53 Mutations in Lower Genital Tract Neoplasias. Second Annual NIEHS Workshop 1991; Johns Hopkins University, Baltimore, Maryland.

Kessis T., Nelson W., Shah K., Cho K. The Role of p53 in the Development of Lower Genital Tract Neoplasias. Sixteenth Annual Johns Hopkins Cell Biology Symposium 1992; Johns Hopkins University, Baltimore, Maryland.

Kessis T., Nelson W., Shah K., Lorincz A., Cho K. A Functional Effect of E6/p53 Interactions in Response to DNA Damage. Eleventh Annual Papillomavirus Workshop 1992; Edinburgh, Scotland.

Slebos R., Kessis T. Chen A., Han S., Hedrick L., Cho R. Functional Consequences of Directed Mutations in the Human Papillomavirus E6 Proteins: Abrogation of the p53 Mediated Cell Cycle Arrest Correlates with p53 Binding and Degradation in vitro. Twelfth Annual Papillomavirus Workshop 1993; Baltimore, Maryland.

Kessis T., Hedrick L., Cho K. Expression of HPV16 E6 or E7 Increases the Frequency of Spontaneous Extrachromosomal Recombination. Thirteenth Annual Papillomavirus Workshop 1994; Amsterdam, The Netherlands.

Kessis T., Hedrick L., Cho K. Expression of HPV16 E6 or E7 Increases the Frequency of Spontaneous Extrachromosomal Recombination. Cancer Genetics and Tumor Suppressor Genes 1995; Hood College, Frederick, Maryland.

Kessis T., Heselmeyer K., Isacson C., MacVille M., Baranyai J., Jones R., Kurman R., Auer G., Shah K., Ried T. Comparative Genomic Hybridization (CGH) Analysis of HPV-Associated Carcinomas. Fifteenth Annual Papillomavirus Workshop 1996; Brisbane Australia.

Kessis T., Heselmeyer K., Isacson C., MacVille M., Baranyai J., Jones R., Kurman R., Auer G., Shah K., Ried T. Comparative Genomic Hybridization (CGH) Analysis of HPV-Associated and Non-Associated Vulvar Carcinomas. Fifteenth Annual Papillomavirus Workshop 1996; Brisbane Australia.