Clinical Interests

Kidney stones; ESWL; genitourinary surgery; clinical trials

Research Interests

Bladder organogenesis; tissue engineering of bladder matrix

MBBS: Nagarjuna University, Guntur, India 1990.

Residency: Albany Medical Center, Albany, NY.

Residency: Albany Medical Center, Albany, NY.

Fellowship: The Hospital For Sick Children, Toronto, ON, Canada.

Certification: American Board of Urology 2001.

Reddy PP, Defoor WR. Ureteroscopy: The standard of care in the management of upper tract urolithiasis in children. Indian J Urol. 2010 Oct;26(4):555-63.

Ivancić V, Defoor W, Jackson E, Alam S, Minevich E, Reddy P, Sheldon C. Progression of renal insufficiency in children and adolescents with neuropathic bladder is not accelerated by lower urinary tract reconstruction. J Urol. 2010 Oct;184(4 Suppl):1768-74.

DeFoor WR, Jackson E, Minevich E, Caillat A, Reddy P, Sheldon C, Asplin J. The risk of recurrent urolithiasis in children is dependent on urinary calcium and citrate. Urology. 2010 Jul;76(1):242-5.

Traxel E, DeFoor W, Reddy P, Sheldon C, Minevich E. Risk factors for urinary tract infection after dextranomer/hyaluronic acid endoscopic injection. J Urol. 2009 Oct;182(4 Suppl):1708-12.

DeFoor WR, Heshmat S, Minevich E, Reddy P, Koyle M, Sheldon C. Long-term outcomes of the neobladder in pediatric continent urinary reconstruction. J Urol. 2009 Jun;181(6):2689-93; discussion 2693-4.

Reddy PP, Borgstein NG, Nijman RJ, Ellsworth PI. Long-term efficacy and safety of tolterodine in children with neurogenic detrusor overactivity. J Pediatr Urol. 2008 Dec;4(6):428-33.

DeFoor W, Clark C, Jackson E, Reddy P, Minevich E, Sheldon C. Risk factors for end stage renal disease in children with posterior urethral valves. J Urol. 2008 Oct;180(4 Suppl):1705-8; discussion 1708.

Heshmat S, DeFoor W, Minevich E, Reddy P, Reeves D, Sheldon C. Use of customized MIC-KEY gastrostomy button for management of MACE stomal complications. Urology. 2008 Nov;72(5):1026-9.

DeFoor W, Minevich E, Jackson E, Reddy P, Clark C, Sheldon C, Asplin J. Urinary metabolic evaluations in solitary and recurrent stone forming children. J Urol. 2008 Jun;179(6):2369-72.

Reddy PP. Recent advances in pediatric uroradiology. Indian J Urol. 2007 Oct;23(4):390-402.

Clinical Interests

Complex genitourinary reconstruction; clinical outcomes research; clinical trials;  urolithiasis; uro-oncology; laparoscopic-assisted; robotic-assisted surgery; vesico-ureteral reflux

Research Interests

Modulation of apoptosis in cryptorchidism (undescended testes) with anti-oxidant pharmacotherapy; pediatric urologic surgical outcomes analysis using an evidence based medicine approach 

BS: Georgia Institute of Technology, Atlanta, GA, 1991.

Fulbright Fellowship: Universite' Rene' Descartes, Paris, France, 1992.

MD: University of Kentucky, Lexington, KY, 1996.

Residency: Medical University of South Carolina, Charleston, SC, 2001.

Fellowship: Cincinnati Children's Hospital, Cincinnati, OH, 2003.

MPH: Harvard University, Boston, Massachusetts, School of Public Health, 2005.

DeFoor, WR, et al. The risk of recurrent urolithiasis in children is dependent on urinary calcium and citrate. Urology. 2010 Jul;76(1):242-5.

DeFoor WR, et al. Long-Term Outcomes of the Neobladder in Pediatric Continent Urinary Reconstruction. J Urol. 2009;181:2689-94.

Traxel E, DeFoor WR, et al. Multivariate analysis of risk factors for urinary tract infections after endoscopic injection of dextranomer-hyaluronic acid. J Urol. 2009;182 (4 Suppl): 1708-12.

DeFoor WR, Tobias N. Simple behavioral modification may be effective first-line treatment in resolution of nocturnal enuresis. J Pediatrics. 2009;155(5):760.

Heshmat S, DeFoor WR, et al. The use of customized Mic-Key gastrostomy button for the management of the MACE stomal complications. Urology. 2008;72(5):1026-9.

DeFoor WR, et al. Urinary metabolic evaluations in solitary and recurrent stone forming children. J Urol. 2008;179(6):2369-72.

DeFoor WR, et al. Risk factors for end stage renal disease in children with posterior urethral valves.J Urol. 2008;180(4 Suppl):1705-8; discussion 1708.

Molecular biology; genetics 

Park JS, Valerius MT, McMahon AP. Wnt/beta-catenin signaling regulates nephron induction during mouse kidney development. Development. 2007 Jul;134(13):2533-9. 

Park JS, Roberts JW. Role of DNA bubble rewinding in enzymatic transcription termination. Proc Natl Acad Sci USA. 2006 Mar 28;103(13):4870-5.

Carroll TJ, Park JS, Hayashi S, Majumdar A, McMahon AP. Wnt9b plays a central role in the regulation of mesenchymal to epithelial transitions underlying organogenesis of the mammalian urogenital system. Developmental Cell.2005 Aug;9(2):283-92.

Roberts J, Park JS. Mfd, the bacterial transcription repair coupling factor: translocation, repair and termination.Curr Opin Microbiol. 2004 Apr;7(2):120-5.

Park JS, Marr MT, Roberts JW. E. coli Transcription repair coupling factor (Mfd protein) rescues arrested complexes by promoting forward translocation. Cell. 2002 Jun 14;109(6):757-67.

Lee YH, Park JS, Park CH, Lee SK. Synergistic effect of cyclic AMP and insulin on the expression of cyclin A gene in Swiss 3T3 cells.Biochem Biophys Res Commun. 1998 Mar 27;244(3):843-8.