Qualified with MVB from UCD in 1986. Worked in general veterinary practice until 1990. Worked as veterinary research officer in Department of Veterinary Pathology, Veterinary Sciences Division, Stormont from 1990-1999. College Lecturer in Department of Veterinary Pathology, UCD 1999 - 2004. Senior lecturer 2004-present.
Scientific editor of 'The Veterinary Journal' since 2007.
Areas of expertise: Gross anatomical pathology, histopathology and immunohistochemistry, Assessment of laboratory animal models of human disease, Disease investigation and immunopathogenesis studies.
Extensive experience in the use of experimental mouse models in the investigation of the immunopathogenesis of respiratory disease including
Techniques: immunohistochemistry, RT-PCR and microarray gene expression analysis.
|Zachariadis, O., Cassidy, J.P., Brady, J. and Mahon, B.P ; (2006) 'gamma delta T cells regulate the early inflammatory response to Bordetella pertussis infection in the murine respiratory tract'. Infection and Immunity, 74 (3):1837-1845. [Details]|
|Ennis, DP; Cassidy, JP; Mahon, BP; ; (2005) 'Acellular pertussis vaccine protects against exacerbation of allergic asthma due to Bordetella pertussis in a murine model'. Clinical and Diagnostic Laboratory Immunology, 12 (3):409-417. [Details]|
|Ennis, DP; Cassidy, JP; Mahon, BP; ; (2004) 'Prior Bordetella pertussis infection modulates allergen priming and the severity of airway pathology in a murine model of allergic asthma'. Clinical Experimental Allergy, 34 (9):1488-1497. [Details]|
|Bauer, NB; O'Neill, E; Sheahan, BJ; Cassidy, J; McAllister, H; ; (2004) 'Calcospherite-like bodies and caseous necrosis in tracheal mucus from a dog with tuberculosis'. Veterinary Clinical Pathology, 33 (3):168-172. [Details]|
|Pollock, J.M, McNair, J., Bassett, H., Cassidy, J.P., Costello, E., Aggerbeck, H., Rosenkrands, I. and Andersen, P. ; (2003) 'Specific delayed-type hypersensitivity responses to ESAT-6 identify tuberculosis-infected cattle'. Journal of Clinical Microbiology, 41 (5):1856-1860. [Details]|
|Kennedy, HE; Welsh, MD; Cassidy, JP; Bryson, DG; Forster, F; McNair, J; Gangadharan, B; Howard, CJ; Pollock, JM; ; (2003) 'The role of WC1(+) gamma delta T-cells in the delayed-type hypersensitivity (DTH) skin-test reaction of Mycobacterium bovis-infected cattle'. Veterinary Immunology and Immunopathology, 93 (3-4):169-176. [Details]|
|Minihan, D., Barrett, D.J., Mulcahy, G. and Cassidy, J.P. ; (2002) 'Psoroptes ovis infestation in a Belgian Blue bull'. Irish Veterinary Journal, 55 :168-171. [Details]|
|Kennedy, H.E., Welsh, M.D., Bryson, D.G., Cassidy, J.P., Forster, F.I., Howard, C.J., Collins, R.A. and Pollock, J.M. ; (2002) 'Modulation of immune responses to Mycobacterium bovis in cattle depleted of WC1+ gd T Cells'. Infection and Immunity, 70 :1488-1500. [Details]|
|Cassidy, J.P., Callanan, J.J., McCarthy, G. and OMahony, M.C. ; (2002) 'Myocarditis in sibling boxer puppies associated with Citrobacter koseri infection'. Veterinary Pathology, 39 :393-395. [Details]|
|Minihan, D; Barrett, DJ; Mulcahy, G; Cassidy, JP; ; (2002) 'Psoroptes ovis infestation in a Belgian blue bull'. Irish Veterinary Journal, 55 (4):168-171. [Details]|
|Kennedy, HE; Welsh, MD; Bryson, DG; Cassidy, JP; Forster, FI; Howard, CJ; Collins, RA; Pollock, JM; ; (2002) 'Modulation of immune responses to Mycobacterium bovis in cattle depleted of WC1(+) gamma delta T cells'. Infection and Immunity, 70 (3):1488-1500. [Details]|
|Doherty, M.L. and Cassidy, J.P. ; (2002) 'New perspectives on bovine tuberculosis (Guest editorial)'. The Veterinary Journal, 163 :1-2. [Details]|
|Cassidy JP, Bryson TD, Gutierrez Cancela MM, Forster F, Pollock JM and Neill SD; (2001) 'Lymphocyte subsets in experimentally induced early-stage bovine tuberculous lesions'. Journal of Comparative Pathology, 124 :46-51. [Details]|
|Van Pinxteren LAH, Cassidy JP, Smedegaard BHC, Agger EM and Andersen P; (2000) 'Control of latent Mycobacterium tuberculosis infection is dependent on CD8 T cells'. European Journal of Immunology, 30 :3689-3698. [Details]|
|Cassidy JP, Bryson TD, Pollock JM, Forster F, Evans RT and Neill SD; (1999) 'Lesions in cattle exposed to Mycobacterium bovis-inoculated calves'. Journal of Comparative Pathology, 121 :321-337. [Details]|
|Gutierrez, M., Forster, F.I., McConnell, S.A., Cassidy, J.P., Pollock, J.M. and Bryson, D.G.; (1999) 'The detection of CD2+, CD4+, CD8+ and WC1+ T lymphocytes, B cells and macrophages in fixed and paraffin embedded bovine tissue using a range of antigen recovery and signal amplification techniques'. Veterinary Immunology and Immunopathology, 71 :321-334. [Details]|
|Cassidy, J.P., Bryson, T.D. and Neill, S.D.; (1999) 'Tonsillar lesions in cattle naturally infected with Mycobacterium bovis'. Veterinary Record, 144 :139-142. [Details]|
|Cassidy, J.P., Bryson, T.D., Pollock, J.M., Forster, F., Evans, R.T. and Neill, S.D. ; (1998) 'Early lesion formation in cattle experimentally infected with Mycobacterium bovis'. Journal of Comparative Pathology, 119 :27-44. [Details]|
| Year: 2000.
Title: President's Prize for Research
| Employer: *
Position: General Veterinary Practice
| Employer: Veterinary Sciences Division, Stormont, Belfast
Position: Veterinary Research Officer
| Employer: UCD
Position: College Lecturer
| Year 1986 Institution: University College Dublin
Qualification: MVB Subject:
| Year 1986 Institution:
Qualification: MRCVS Subject:
| Year 1998 Institution: Queen's University of Belfast, UK
Qualification: PhD Subject:
| Year 2002 Institution: Royal College of Pathologists
Qualification: MRC Path Subject: Veterinary Pathology
· Tuberculosis - with The Statens Serum Institute, Copenhagen, Denmark (Prof. P. Andersen)
- Studies on leucoencephalomyelopathy in specific pathogen free cats - with NUI, Galway (Dr. J. Kelly)
Studies on the development and use of nanoparticle vaccines against parainfluenza-3 virus in calves - with AFBI, Stormont, Belfast & Teagasc, Grange (Dr. M. Welsh & Dr. B. Earley).
Co-supervisor of Ms. Maresa Sheehan. Obtained Master's degree from UCD in 2005. Title: Studies in Respiratory Disease in Sheep.