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JULIE B. ENGILES, DACVP , VMD, B.A.

Associate Professor of Pathology, Department of Pathobiology- New Bolton Center

Assistant Professor of Pathology, Department of Pathobiology- New Bolton Center

Associate Professor of Pathology, Clinical Studies, New Bolton Center

American College of Veterinary Pathologists

USDA, APHIS Accredited Veterinarian

The Wharton School, Aresty Institute of Executive Education, Penn Executive Veterinary Leadership Program

Clinical Specialties: Veterinary anatomic pathology, Veterinary orthopedic pathology, Equine laminitis, Equine gastrointestinal pathology, Equine microbiome Experimental Animal Models
Research Areas: Gastrointestinal pathology, Orthopedic pathology, Laminitis,
PubMed Link
Contact Information:
University of Pennsylvania
New Bolton Center
Murphy Laboratory
382 West Street Road

My clinical, diagnostic and research expertise is veterinary anatomic pathology with special focus on orthopedic and gastrointestinal pathology. Current and past research projects have included clinical research, translational animal models of human and animal disease, and exploratory investigations including academic and industrial collaborations.

One focus of my orthopedic research includes translational animal models evaluating bone, joint and tendonous tissues. Current and past projects include analyses of orthopedic surgical procedures, biomaterials, and devices utilizing large animal models of human orthopedic disease including swine, sheep, goats, horses and dogs. Internal collaborations include Penn Vet's Comparative Orthopedic Research Laboratory (CORL: Drs. Dean Richardson, Tom Schaer, and Kyla Ortved) and the Penn Center for Musculoskeletal Disorders (PCMD). A collaboration with Dr. Nicky Mason (Department of Clinical Studies- Philadelphia) investigates a canine model of osteosarcoma investigating T-cell mediated immunotherapy targeting tumor ostoblasts expressing Her2/neu antigen. External collaborations include academic institutions and industry investigating murine fracture healing and gene-therapy for large animal models of naturally occurring osteoarthritis.

Another focus of orthopedic research is equine laminitis, including internal collaborations (Drs. van Eps and Galantino-Homer) and external collaborations (Oklahoma State University, University of Queensland, and Ohio State University). Through correlation of clinical and pathological data with transcriptomic and proteomic data, the goals of the research are 1) to better understand the pathogenesis of laminitis and 2) to identify potential early biomarkers and molecular targets of laminitis for disease prevention and early therapeutic intervention. One unique aspect of the research involves the interaction among different tissue interfaces including epidermal and dermal lamellae, neurovascular structurs, and the distal phalanx.

My secondary research focus involves equine gastrointestinal pathology and the equine intestinal microbiome. Collaborators include Dr. Southwood (Large Animal Emergency and Critical Care service), and Dr. Pitta (Agricultural Systems and Microbial Genomics laboratory) from the Department of Clinical Studies-New Bolton Center. Current and past investigations include establishment of normal parameters for gastrointestinal architecture and resident inflammatory cell populations, evaluation of the effect of peri-operative antimicrobials on the equine fecal microbiome for elective surgical procedures, and the differences in fecal microbiome and intestinal micro-architecture in horses presenting for acute and recurrent colic.

Scherrer NM, Lassaline M & Engiles J. Ocular and periocular hemangiosarcoma in six horses. Veterinary Ophthalmology : [epub. ahead of print], 2017.

Janes JG, Kennedy L, Garrett K, Engiles JB Common pathology of the distal end of the third metacarpal/metatarsal bone in racehorse catastrophic breakdown injuries. Journal of Veterinary Diagnostic Investigation 29: 431-436, 2017.

Engiles JB, Stewart HS, Janes J, Kennedy L. A diagnostic pathologist’s guide to carpal disease in racehorses. Journal of Veterinary Diagnostic Investigation 29: 413-430, 2017.

Mittelman NS, Divers TJ, Engiles JB, Gerhold R, Ness S, Southard T, Johnson AL Scoliosis and eosinophilic meningomyelitis in three horses with presumptive Parelaphostrongylus tenuis cerebrospinal nematodiasis. Journal of Veterinary Internal Medicine 31: 890-893, 2017.

Stewart HL, Pitta D, Indugu N, Vecchiarelli B, Engiles JB, Southwood LS. Differences in the equine fecal microbiome using different sampling times and sites. American Journal of Veterinary Research : Accepted Nov, 2017, 2017.

Glatman-Zaretsky A, Konradt C, Dépis F, X Wing JB, XGoenka R, Silver JS, Cho S, Wolfe A, Quinn WJ, Engiles JB, Brown DC, Erikson J, Cancro MP, Beiting D, Sakaguchi S, Lu L, Benoist CO, Hunter CA. T regulatory cells maintain plasma cell populations in the bone marrow. Cell Reports 18: 1906-1916, 2017.

Stroud C, Dmitriev I, ... Mason N, Gnanandarajah JS, Engiles JB,...& Harman RJ. A One Health overview, facilitating advances in comparative medicine and translational research. Clinical and Translational Medicine. 5: 26, 2016.

Johnstone L, Engiles JB, Tewari D, Johnson A Retrospective Evaluation of Horses Diagnosed with Neuroborreliosis on Postmortem Examination: 16 Cases (2004-2015). Journal of Veterinary Internal Medicine epub doi: 10.1111/jvim.14369: , 2016.

Mason, Nicola, Josephine Gnanandarajah, Julie Engiles, Falon Gray, Danielle Laughlin, Anita Gaurnier-Hausser, Anu Wallecha, Margie Huebner, and Yvonne Paterson. Immunotherapy with a HER2 targeted Listeria induces HER2-specific immunity and demonstrates potential therapeutic effects in a phase I trial in canine osteosarcoma. Clinical Cancer Research : , 2016.

Mittelman NS, Engiles JB, Murphy L, Vudathala D, Johnson AL. Microcystin Associated Hepatic Failure and Encephalopathy in a Holsteiner Gelding. Journal of Veterinary Internal Medicine 30: 1747-1751, 2016.

DACVP (Veterinary Anatomic Pathology ) University of Pennsylvania, 2006

VMD School of Veterinary Medicine, University of Pennsylvania, 2002

B.A. (Biophysics, Dean's Scholar Program) University of Delaware, 1994