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The Heritable Liver Disease Genetic Testing Service is a collaboration between the Molecular Genetics Laboratory and Jorge Bezerra, MD, a pediatric gastroenterologist and developer of the JaundiceChip Resequencing Array, at Cincinnati Children's Hospital Medical Center. This partnership allows for optimum care of your patients.
We are staffed by a team of experts who provide guidance in:
Clinical interpretations are written in conjunction with our nationally recognized pediatric gastroenterologist, board-certified molecular and medical geneticists and genetic counselors. Each report is customized for your patient and includes a detailed interpretation of the genetic findings, the clinical significance of the results and the specific recommendations for clinical management and additional testing, if warranted. These specialists are also available to you for pretest or additional post-test consultation.
Jorge A. Bezerra, MD
Professor, UC Department of Pediatrics
Jorge A. Bezerra, MD, joined the Cincinnati Children's Hospital Medical Center Division of Gastroenterology, Hepatology and Nutrition in 1990, when he began his fellowship training in pediatric gastroenterology and nutrition and graduated in 1993.
From 1992-1994, Dr. Bezerra was a research scholar in the Division of Basic Sciences. He was appointed to the division in 1994 as an assistant professor of pediatrics.
Dr. Bezerra completed his residency in pediatrics at the University of Arizona in Tucson, Arizona.
Dr. Bezerra has an active research career with his primary interests in molecular control of liver regeneration, biliary atresia, and genetic basis of intrahepatic cholestasis.
In addition to his research work, Dr. Bezerra is an active clinician for the outpatient GI clinical service and the inpatient liver service.
MD: Federal University Rio Grande Norte, Natal, Brazil, 1984
Residency: University of Arizona, Tuscon, AZ, 1989
Fellowship: Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital Medical Center, University of Cincinnati, Cincinnati, OH, 1994
Certification: Pediatrics, Pediatric Gastroenterology, Hepatology and Nutrition
Bezerra JA. Biliary atresia in Brazil: where we are and where we are going. J Pediatr (Rio J). 2010 Nov-Dec;86(6):445-7. Moyer K, Kaimal V, Pacheco C, Mourya R, Xu H, Shivakumar P, Chakraborty R, Rao M, Magee JC, Bove K, Aronow BJ, Jegga AG, Bezerra JA. Staging of biliary atresia at diagnosis by molecular profiling of the liver. Genome Med. 2010 May 13;2(5):33.
Kumar Mohanty S, Ivantes CA, Mourya R, Pacheco C, Bezerra JA. Macrophages are targeted by rotavirus in experimental biliary atresia and induce neutrophil chemotaxis via Mip2/Cxcl2. Pediatr Res. 2010 Jan 6. Shivakumar P, Sabla GE, Whitington P, Chougnet CA, Bezerra JA. Neonatal NK cells target the mouse duct epithelium via Nkg2d and drive tissue-specific injury in experimental biliary atresia. J Clin Invest. 2009 Aug;119(8):2281-90. Shanmukhappa K, Matte U, Degen JL, Bezerra JA. Plasmin-mediated proteolysis is required for hepatocyte growth factor activation during liver repair. J Biol Chem. 2009 May 8;284(19):12917-23. Erickson N, Mohanty SK, Shivakumar P, Sabla G, Chakraborty R, Bezerra JA. Temporal-spatial activation of apoptosis and epithelial injury in murine experimental biliary atresia. Hepatology. 2008 May;47(5):1567-77. Shivakumar P, Sabla G, Mohanty S, McNeal M, Ward R, Stringer K, Caldwell C, Chougnet C, Bezerra JA. Effector role of neonatal hepatic CD8+ lymphocytes in epithelial injury and autoimmunity in experimental biliary atresia. Gastroenterology. 2007 Jul;133(1):268-77. Liu C, Aronow BJ, Jegga AG, Wang N, Miethke A, Mourya R, Bezerra JA. Novel resequencing chip customized to diagnose mutations in patients with inherited syndromes of intrahepatic cholestasis. Gastroenterology. 2007 Jan;132(1):119-26. Campbell KM, Arya G, Ryckman FC, Alonso M, Tiao G, Balistreri WF, Bezerra JA. High prevalence of alpha-1-antitrypsin heterozygosity in children with chronic liver disease. J Pediatr Gastroenterol Nutr. 2007 Jan;44(1):99-103. Shanmukhappa K, Sabla GE, Degen JL, Bezerra JA. Urokinase-type plasminogen activator supports liver repair independent of its cellular receptor. BMC Gastroenterol. 2006 Nov 29;6:40.
Alexander G. Miethke, MD
Assistant Professor, UC Department of Pediatrics
Pediatric liver disease including biliary atresia, inherited liver diseases, autoimmune hepatitis, and primary sclerosing cholangitis; gastrointestinal problems in children with bone marrow failure syndromes
Immune mediated liver injury, specifically the role of regulatory T cells in biliary atresia and primary sclerosing cholangitis; genetic basis for intrahepatic cholestasis in children; acute liver failure in infants with mitochondrial disorders
MD: Humboldt-University, Berlin, Germany, 2000.Residency: Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 2002-2004.Fellowship: Cincinnati Children's Hospital Medical Center, Cincinnati, OH, 2005-2007.
Advanced Fellowship: Pediatric Transplant Hepatology, University of Cincinnati and Cincinnati Children's Hospital Medical Center, 2009.Certification: Pediatrics, 2005; Pediatric Gastroenterology 2009; Pediatric Transplant Hepatology, 2010.
Evason K, Bove KE, Finegold MJ, Knisely AS, Rhee S, Rosenthal P, Miethke AG, Karpen SJ, Ferrell LD, Kim GE. Morphologic findings in progressive familial intrahepatic cholestasis 2 (PFIC2): correlation with genetic and immunohistochemical studies. Am J Surg Pathol. 2011;35:687-96.
Miethke AG, Saxena V, Shivakumar P, Sabla GE, Simmons J, Chougnet CA. Post-natal paucity of regulatory T cells and control of NK cell activation in experimental biliary atresia. J Hepatol. 2010 May;52(5):718-26.
Liu C, Aronow BJ, Jegga AG, Wang N, Miethke A, Mourya R, Bezerra JA. Novel resequencing chip customized to diagnose mutations in patients with inherited syndromes of intrahepatic cholestasis. Gastroenterology. 2007 Jan;132(1):119-26.
Shivakumar P, Campbell KM, Sabla GE, Miethke A, Tiao G, McNeal MM, Ward RL, Bezerra JA. Obstruction of extrahepatic bile ducts by lymphocytes is regulated by IFN-gamma in experimental biliary atresia. J Clin Invest. 2004 Aug;114(3):322-9.
Sivakumaran Theru Arumugam, PhD
Associate Director, Molecular Genetics Laboratory
Associate Director, Molecular Genetics Laboratory
MSc: Andhra University, India.
PhD: All India Institute of Medical Sciences, New Delhi, India.
Fellowship: Harvard Medical School.
Certification: Clinical Molecular Genetics, 2007.
Kejian Zhang, MD, MBA
Director, Molecular Genetics Laboratory
Director, Molecular Genetics Laboratory
Associate Professor, UC Department of Pediatrics
Molecular genetics diagnosis of inherited immunodeficiency disorders and other genetic conditions
Molecular defects and molecular diagnosis of primary immunodeficiency diseases; Genetic aspects of predictive personalized medicine (pharmacogenetics)
MD: Tianjin Medical University, Tianjin, China, 1993
MBA: University of Cincinnati, College of Business Administration, 2001
Residency: Gong'an Hospital, Tianjin, China, 1993-1995
Fellowship: Clinical Molecular Genetics Fellow, Division of Human Genetics, Cincinnati Children's Hospital, 2002-2004
Zhang K, Jordan MB, Klein P, Villanueva J, Risma K, Filipovic AH. .Hypomorphic mutations in PRF1, MUNC13-4, and STXBP2 are associated with adult-onset familial hemophagocytic lymphohistiocytosis. Blood. 2011 August 31.
Filipovich AH, Zhang K, Snow AL, Marsh RA. X-linked lymphoproliferative syndromes: brothers or distant cousins? Blood. 2010 Nov 4;116(18):3398-408.
Marsh RA, Madden L, Kitchen BJ, Mody R, McClimon B, Jordan MB, Bleesing JJ, Zhang K, Filipovich AH. XIAP deficiency: a unique primary immunodeficiency best classified as X-linked familial hemophagocytic lymphohistiocytosis and not as X-linked lymphoproliferative disease. Blood. 2010 Aug 19;116(7):1079-82.
Marsh RA, Satake N, Biroschak J, Jacobs T, Johnson J, Jordan MB, Bleesing JJ, Filipovich AH, Zhang K. STX11 mutations and clinical phenotypes of familial hemophagocytic lymphohistiocytosis in North America. Pediatr Blood Cancer. 2010 Jul 15;55(1):134-40. Pestian J, Spencer M, Matykiewicz P, Zhang K, Vinks AA, Glauser T. Personalizing Drug Selection Using Advanced Clinical Decision Support. Biomed Inform Insights. 2009 Jun 23;2:19-29. Prows CA, Nick TG, Saldaña SN, Pathak S, Liu C, Zhang K, Daniels ZS, Vinks AA, Glauser TA. Drug-metabolizing enzyme genotypes and aggressive behavior treatment response in hospitalized pediatric psychiatric patients. J Child Adolesc Psychopharmacol. 2009 Aug;19(4):385-94. Marsh RA, Villanueva J, Kim MO, Zhang K, Marmer D, Risma KA, Jordan MB, Bleesing JJ, Filipovich AH. Patients with X-linked lymphoproliferative disease due to BIRC4 mutation have normal invariant natural killer T-cell populations. Clin Immunol. 2009 Jul;132(1):116-23. Marsh RA, Villanueva J, Zhang K, Snow AL, Su HC, Madden L, Mody R, Kitchen B, Marmer D, Jordan MB, Risma KA, Filipovich AH, Bleesing JJ. A rapid flow cytometric screening test for X-linked lymphoproliferative disease due to XIAP deficiency. Cytometry B Clin Cytom. 2009 Sep;76(5):334-44. Prausa SE, Fukuda T, Maseck D, Curtsinger KL, Liu C, Zhang K, Nick TG, Sherbotie JR, Ellis EN, Goebel J, Vinks AA. UGT genotype may contribute to adverse events following medication with mycophenolate mofetil in pediatric kidney transplant recipients. Clin Pharmacol Ther. 2009 May;85(5):495-500. Zhang K, Biroschak J, Glass DN, Thompson SD, Finkel T, Passo MH, Binstadt BA, Filipovich A, Grom AA. Macrophage activation syndrome in patients with systemic juvenile idiopathic arthritis is associated with MUNC13-4 polymorphisms. Arthritis Rheum. 2008 Sep;58(9):2892-6.
Macrophage Activation Syndrome Biomarkers in Systemic Juvenile Idiopathic Arthritis. Co-investigator. National Institute of Arthritis, Musculoskeletal and Skin Diseases. Aug 2007 - Dec 2012.
MUNC13-4 gene Polymorphisms in Macrophage Activation syndrome and Systemic Juvenile Idiopathic Arthritis. Co-Investigator. National Institute of Health. Sept 2011 - Aug 2016.
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