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Robert Plenter

Senior Professional Research Assistant - Zamora Lab


 

Division of Pulmonary Sciences and Critical Care Medicine
and
Colorado Center for Transplantation Care, Research and Education

Transplantation microsurgery and training program

Rob Plenter has been involved in research since 1981, when he joined the Howard Florey Institute for Experimental Physiology and Medicine. It was at the HFI that he acquired a passion for surgery. He has worked in basic research and physiology labs and on human anatomy projects, at the Universities of Melbourne and Colorado and Monash University, and has publications spanning each of these disciplines. He has also presented the results of that research at many national and international conferences.

Rob joined his first transplantation/immunology laboratory at the University of Melbourne’s Department of Surgery in 1989. His specialty is microsurgery and he joined the Zamora lab at its inception in 2008. He also manages the microsurgical core and the microsurgical training program of the CCTCARE.

Rob is a member of the Academy of Surgical Research and is working toward his Surgical Research Specialist certification. He also has an active interest in the ethics of research.

Phone: 303.724.6822
Email: robert.plenter@ucdenver.edu

 

 

RESEARCH PUBLICATIONS

Plenter RJ, Grazia TJ, Dooan AN, Gill RG, Pietra BA. CD4 T cells mediate cardiac xenograft rejection via host MHC Class II. J Heart Lung Transplant. 2012 Sep;31(9):1018-24.

Grazia TJ, Plenter RJ, Lepper HM, Victorino F, Miyamoto SD, Crossno, JT Jr, Pietra BA, Gill RG, and Zamora MR. Prolongation of Cardiac Allograft Survival by a Novel Population of Autologous CD117+ Bone Marrow-Derived Progenitor CellsAm J Transplant. June 2011

Grazia TJ, Plenter RJ, Weber SM, Lepper HM, Victorino F, Zamora MR, Pietra BA, Gill RG. Acute cardiac allograft rejection by directly cytotoxic CD4 T cells: parallel requirements for Fas and perforin.Transplantation. 2010 Jan 15;89(1):33-9.

Todd J. Grazia, Robert J. Plenter, An N. Doan, Brian P. Kelly, Sarah M. Weber, Jonathan S. Kurche, Susan O. Cushing, Ronald G. Gill, Biagio A. Pietra. Spontaneous Allograft Tolerance in B7-Deficient Mice Independent of Pre-Existing Endogenous CD4+CD25+ Regulatory T-cells. Transplantation. 2007 Jun 15;83(11):1449-58.

Helen E. OConnell, Colin R. Anderson, Robert J. Plenter, John M. Hutson. The Clitoris: A Unified Structure. Histology of the Clitoral glans, body, crura and bulbs. Urodinamica 14:127-132, 2004.

Todd J. Grazia, Biagio A. Pietra, Zachary A. Johnson, Brian P Kelly, Robert J. Plenter and Ron G. Gill. A Two-Step Model of Acute CD4-Mediated Cardiac Allograft Rejection. Journal of Immunology, 2004, 172: 7451-7458.

Megan A. Rees, Helen E. ORobert J. Plenter, John M. Hutson. The Suspensory Ligament of the Clitoris: Connective Tissue Supports of the Erectile Tissues of the Female Urogenital Region. Clinical Anatomy 13:397-403, 2000.

Helen E. O'Connell, John M. Hutson, Colin R. Anderson, Robert J. Plenter. Anatomical relationship between urethra and clitoris. Journal of Urology, Vol. 159, June 1998.

Han W-R, P.L. Mottram, L.J. Purcell, R.J. Plenter, I.F.C. McKenzie. Infiltrating cells in mouse cardiac allografts after anti-CD4 monoclonal antibody treatment. Transplantation Proceedings, Vol 27, No. 3, 1995:p 2163.

Robertson, A.J., R.J. Plenter, D.M.A. Francis, G.J.A. Clunie. Synergistic prolongation of renal allograft survival with cyclosporine and rapamycin. Transplantation Proceedings, Vol. 25, No. 5, 1993:pp 2898-9.

Mitchell, S.V., L.J. Dumble, R.J. Plenter, R.J. Millar, M. Moran, G.J.A. Clunie. Cyclosporine-sparing influence of the synthetic PGE1 analogue Enisoprost in rabbit cardiac allograft recipients. Transplantation Proceedings, Vol. 24, No. 1, 1992:pp 229-230.

Redgrave, N.G., L.J. Dumble, D.M.A. Francis, R.J. Plenter, M.J. Ruwart, I. Birchall, G.J.A. Clunie. Prevention of acute cyclosporine nephrotoxicity in rabbits with a prostacyclin analogue. Transplantation Proceedings, Vol. 24, No. 1, 1992:pp 227-8.

Redgrave, N.G., D.M.A. Francis, L.J. Dumble, R.J. Plenter, M.J. Ruwart, I. Birchall, G.J.A. Clunie. Synergistic prolongation of rabbit renal allograft survival by cyclosporine and a prostacyclin analogue. Transplantation Proceedings, Vol. 24, No. 1, 1991:pp 222-3.

Mitchell, S.V., L.J. Dumble, R.J. Plenter, R.J. Millar, G.J.A. Clunie. Enhancement of Rabbit Cardiac Allografts by Third-Party Hepatocytes. Transplantation Proceedings, Vol. 23, No 1, 1991:pp 737-8.

Mitchell, S.V., L.J. Dumble, R.J. Plenter, R.J. Millar, G.J.A. Clunie. Enhancement of rabbit skin allograft survival by pretransplant and peroperative hepatic antigen treatments. Transplantation Proceedings, Vol. 22, 1990:pp 2097-8.

 

 

 

 

PRESENTATIONS

Robert J. Plenter "Autologous CD117+ Cells as Therapeutics for Transplantation and Auto-immunity." University of Colorado Symposium on Medical Research for Educators, September 2012.

Robert J. Plenter. Heterotopic heart transplantation in mice. Invited speaker, 45th European Society for Surgical Research Congress, Centre Medical Universitaire, Geneva, Switzerland, June 2010.

Todd J. Grazia, Robert J. Plenter, Helen M. Lepper, Francisco Victorino, Shelly D. Miyamoto, Joseph T. Crossno Jr., Pietra A. Biagio, Ronald G. Gill, and Martin R. Zamora. Autologous Bone Marrow-Derived CD117+ Progenitor Cell Therapy Leads to Cardiac Allograft Prolongation. Oral Presentation, American Transplant Congress, San Diego, CA, May 2010.

Robert J. Plenter. Four Years at the Barbara Davis Center for Childhood Diabetes, University of Colorado Health Sciences Center, and the Pediatric Cardiology Department, The Childrenospital, Denver, Colorado, USA. Oral Presentation, Wynn Department, Baker Heart Research Institute, November 2007.

RJ Plenter, TJ Grazia, KS Hill, RG Gill and BA Pietra. Cardiac Allograft Tolerance Induction: Are Host MHC class I Expression, CD8+ T-cells, NK Cells or NKT-cells Required? Oral Presentation, American Transplant Congress, San Francisco, CA, May 2007.

Todd J Grazia, Robert J Plenter, Kim S Hill, Gill G Ronald, and Biagio A Pietra. Spontaneous Cardiac Allograft Tolerance In B71/2 Deficient Recipients Involves Peripherally Induced CD4+CD25+FOXP3+ Regulatory T-cells, But Does Not Require Thymic-Derived Endogenous CD4+CD25+FOXP3+ Regulatory T-cells. Poster Presentation, American Transplant Congress, San Francisco, CA, May 2007.

 

Robert J. Plenter. A Proposed New Model of Hypertrophic Cardiomyopathy. Oral presentation, Gill Laboratory Research In Progress seminar presented at Barbara Davis Center for Childhood Diabetes, University of Colorado, Denver Colorado, November 2006.

RJ Plenter, TJ Grazia, KS Hill, DP Nelson, RG Gill and BA Pietra. Ectopic Expression of FasL on Cardiomyocytes Renders Cardiac Allografts Resistant to Contact-dependent CD4+ T-cell Rejection. Poster presentation, World Transplant Congress, Boston, MA, July 2006.

RJ Plenter, TJ Grazia, KS Hill, JN Beilke, RG Gill and BA Pietra. a LFA-1 Induced Cardiac Allograft Tolerance Induction: Requires Host MHC class I Expression but not CD1-restricted NKT-cells. Oral presentation, World Transplant Congress, Boston, MA, July 2006.

RJ Plenter, JN Beilke, RG Gill and BA Pietra. a LFA-1 Induced Cardiac Allograft Survival: Tolerance Induction Requires Host MHC class I Expression. Oral presentation, The International Society for Heart and Lung Transplantation 26th Annual Meeting and Scientific Sessions, Madrid, Spain, April 5-8, 2006. *** Awarded an NIAID travel reimbursement

TJ Grazia, RJ Plenter, AN Doan, RG Gill and BA Pietra. Perforin and Fas, Taken Together, Represent Obligate and Parallel Pathways of CD4 T-cell Mediated Cardiac Rejection. Oral presentation, The International Society for Heart and Lung Transplantation 26th Annual Meeting and Scientific Sessions, Madrid, Spain, April 5-8, 2006.

Robert J. Plenter. CD4+ T-cells, MHC class II, Costimulation, Cardiac Xenografts and Rejection. Oral presentation, Research In Progress seminar presented at Barbara Davis Center for Childhood Diabetes, University of Colorado, Denver Colorado, September 2005.

Robert J. Plenter, An Doan, Todd J. Grazia, Ron G. Gill and Biagio A. Pietra. Indirect CD4 T-cells Mediate Cardiac Xenograft Rejection In Mice. Poster presentation, American Transplant Congress, Seattle, Washington, May 2005. Abstract published in American Journal of Transplantation, Vol. 5, Supp. 11, May 2005:pp 371

Robert J. Plenter. CD4+ T-cells, MHC class II, Cardiac Xenografts and Rejection. Invited Speaker. Oral presentation at the Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, Dorothy M. Davis Heart and Lung Research Institute, Ohio State University, Columbus, Ohio, February 2005.

Biagio A. Pietra, Robert J. Plenter, Susan O. Cushing, An Doan, Ronald G. Gill. Long-Term Cardiac Allograft Survival After Dual Therapy with Anti-CD40L and Anti-LFA-1 Antibodies. Oral presentation at the American Transplant Congress. Boston, MA. May 2004.

Biagio A. Pietra, Zachary A. Johnson, Brian P Kelly, Susan O Cushing, An Doan, Robert J. Plenter and Ron G. Gill. Spontaneous Cardiac Allospecific Transferable Nondeletional Tolerance in CD80/86 Deficient Mice. Oral presentation at the Transplantation Society Basic Sciences Symposium, Keystone, Colorado, September 2003.