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  Faculty
Raquel M. Walton VMD, MS, PhD, Diplomate ACVP
Assistant Professor of Clinical Pathology
Chief, Section of Clinical Pathology

Department of Pathobiology
3800 Spruce Street
School of Veterinary Medicine
University of Pennsylvania
Philadelphia , PA   19104-6010
Qualifications

VMD, University of Pennsylvania, Philadelphia, PA
MS, Colorado State University
PhD, Colorado State University
Postdoctoral Fellow, Comparative medical and molecular genetics, Department of Pathobiology and WFG Center for Comparative Genetics, University of Pennsylvania
Diplomate, American College of Veterinary Pathology (Clinical pathology)

Clinical Interests
Hematology and hematologic disease; histiocytic disorders
Research Interests
Neural stem cell biology and transplantation
Selected Publications
Magnitsky S, Walton RM, Wolfe JH and Poptani H. Low concentration of iron oxide based MRI contrast agent does not affect neural stem cell differentiation. Submitted, Exp Neurol.

Watson DJ, Walton RM, Magnitsky SG, Bulte JWM, Poptani H, and Wolfe JH (2006). Structure-specific patterns of neural stem cell engraftment after transplantation in the adult mouse brain. Hum Gene Ther 17: 693-704.

Rondeau MP, Walton RM, Bissett S, Drobatz KJ, and Washabau RJ (2005). Suppurative, non-septic polyarthropathy in the dog. J Vet Intern Med 19: 654-662.

Magnitsky S, Watson DJ, Walton RM, Pickup S, Bulte JW, Wolfe JH and PoptaniH (2005). In vivo and ex vivo MRI detection of localized and disseminated neural stem cell grafts in the mouse brain. Neuroimage 26: 744-754.

Volk SW, Kapatkin AS, Haskins ME, Walton RM, and D’Angelo M (2003). Gelatinase activity in synovial fluid and synovium from osteoarthritic canine joints. Am J Vet Res 64: 1225-1233.

Gasser AM, Bush WW, Smith S, and Walton RM (2003). Extradural spinal, bone marrow, and renal nephroblastoma. J Am Anim Hosp Assoc 39: 80-85.

Owens SD, Oakley DA, Marryott K, Hatchett W, Walton RM, Nolan TJ, Newton A, Stuerer F, Schantz P, and Giger U (2001). Transmission of visceral leishmaniasis to anemic dogs through blood transfusions from infected foxhounds. J Am Vet Med Assoc 219: 1076-1083.

Walton RM and Hendrick MJ (2001). Feline Hodgkin’s-like lymphoma: 20 cases (1992-1999). Vet Pathol 38: 504-511.

Callan MB, Walton RM, Jezyk PF, and Giger U (2001). Thrombopathias causing bleeding in a boxer and mixed breed dog. J Am Anim Hosp Assoc37: 244-250.

Walton RM (2001). Establishing Reference Intervals: Health as a Relative Concept. Seminars in Avian and Exotic Pet Medicine 10: 66-71.

Walton RM (2001). Validation of Laboratory Tests and Methods. Seminars in Avian and Exotic Pet Medicine 10: 59-65.

Kawcak CE, Frisbie DD, Trotter GW, McIlwraith CW, Gillette SM, Powers BE, and Walton R (1997). Effects of intravenous administration of sodium hyaluronate on carpal joints in exercising horses after arthroscopic surgery and osteochondral fragmentation. Am J Vet Res 58: 1132-1140.

Walton RM , Brown DE, Hamar DW, Meador VP, Horn JW, and Thrall MA (1997). Mechanisms of echinocytosis induced by Crotalus atrox venom. Vet Pathol 34: 442-449.

Walton RM , Brown DE, Burkhard MJ, Donnelly KB, Frank AA, Obert LA, Withrow SJ, and Thrall MA (1997). Malignant histiocytosis in a domestic cat: Cytomorphologic and immunohistochemical features. Vet Clin Pathol 26: 56-60.

Walton RM , Modiano J, Thrall MA, and Wheeler S (1996). Bone marrow cytologic findings in four dogs and a cat with hemophagocytic syndrome. J Vet Intern Med 10: 7-13.

Akkina RK, Walton RM, Li Q-X, Chen M, Planelles V, and Chen ISY (1996). High efficiency gene transfer into CD34+ cells with a HIV-1-based retroviral vector pseudotyped with VSV-G. J Virol 70: 2581-2585.