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Adam D. Griesemer, MD

Board Certifications: 
Expertise in: 
Transplant Surgery
Accepting New Patients
Treats Children
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New and Existing Patients: 

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Credentials & Experience

Board Certifications

  • Surgery

Clinical Expertise

  • Transplant Surgery
  • Pediatric Transplant Surgery
  • Portal Hypertension
  • Surgery
  • Minimally Invasive Surgery
  • Shunts
  • Living Donor Liver Surgery
  • Abdominal Organ Transplant, Pediatric
  • Abdominal Organ Transplantation
  • Liver Transplant
  • Liver Transplant, Pediatric
  • Living Donor Transplantation
  • Organ Transplant, Pediatric
  • Transplantation Surgery


Education & Training

  • University of Missouri Columbia School of Medicine
  • Residency: NewYork-Presbyterian Hospital/Columbia University Medical Center

Honors & Awards

  • Rising Star in Transplant Surgery, American Society of Transplant Surgery 2020
  • Faculty Development Grant, American Society of Transplant Surgeons, 2018
  • Nominated for Physician of the Year by Surgical Intensive Care Unit, 2017
  • AASLD Career Development Award in Liver Transplantation, 2015
  • Forde Award for Research, Columbia University, 2013
  • Department of Surgery's Chairman's Research Award, Columbia University College of Physicians and Surgeons, 2013
  • Louis V. Gerstner, Jr. Scholar – Research Award, Columbia University College of Physicians and Surgeons, 2013
  • Blakemore Prize - Best Resident Research Award, Columbia University College of Physicians and Surgeons, 2011
  • Blakemore Award - Best Resident Research Award, Columbia University College of Physicians and Surgeons, 2009
  • American Society of Transplantation Young Investigator Award, Transplantation Biology Research Center, Harvard Medical School, 2008
  • International Xenotransplantation Travel Grant, Transplantation Biology Research Center, Harvard Medical School, 2007
  • American Society of Transplantation/JDRF Research Fellowship Award, Transplantation Biology Research Center, Harvard Medical School, 2005
  • Alpha Omega Alpha, University of Missouri-Columbia School of Medicine, 2003
  • Marion DeWeese Award for Excellence in General Surgery, University of Missouri-Columbia School of Medicine, 2003
  • Donald Silver Award for Excellence in Vascular Surgery, University of Missouri-Columbia School of Medicine, 2003

About Adam Griesemer

Academic Titles

  • Assistant Professor of Surgery at CUMC

Administrative Positions

  • Surgical Director, Pediatric Liver Transplantation
  • Surgical Director, Living Donor Liver Transplantation-Columbia Campus
  • Director, Large Animal Xenotransplantation Laboratory, Columbia Center for Translational Immunology

Committee/Societies/Council Memberships

  • Grant's Committee, ASTS, 2017-Current
  • Clinical Subcommittee, NIH Human Immunology Project Consortium, 2017-Current
  • NIAID-NHP Transplantation Tolerance Cooperative Study Group, 2017-Current
  • Scientific Studies Committee, ASTS, 2013-2017
  • American Association for the Study of Liver Diseases, 2013- present
  • American Society of Transplant Surgeons, 2010- present
  • The Transplantation Society, 2007- present
  • International Xenotransplantation Association, 2007-present
  • American Society of Transplantation, 2005-present

Hospital Affiliations

  • NewYork-Presbyterian/Columbia
  • Komansky Center for Children's Health
  • NewYork-Presbyterian/Morgan Stanley Children's Hospital
  • NewYork-Presbyterian/Weill Cornell


  • Male

Insurance Accepted


  • EPO
  • HMO
  • Medicare Managed Care
  • NY Signature
  • NYP Employee Plan
  • POS
  • PPO
  • Signature Administrators
  • Student Health


  • Essential Plan
  • Medicaid Managed Care


  • Medicare Managed Care
  • Special Needs Plan

Amida Care

  • Special Needs Plan

Capital District Physician Health Plan

  • Capital District Physician Health Plan


  • EPO
  • Great West
  • HMO
  • POS
  • PPO


  • Medicare Managed Care


  • Medicare Managed Care
  • PPO


  • ConnectiCare
  • EPO
  • Essential Plan
  • HMO
  • Medicaid Managed Care
  • Medicare Managed Care
  • POS
  • PPO
  • Select Care (Exchange)
  • Vytra

Empire Blue Cross Blue Shield

  • EPO
  • Medicare Managed Care
  • PPO

Empire Blue Cross Blue Shield HealthPlus

  • Child/Family Health Plus
  • Essential Plan
  • Medicaid Managed Care

Fidelis Care

  • Child/Family Health Plus
  • Medicaid Managed Care
  • Medicare Managed Care


  • Child/Family Health Plus
  • Leaf (Exchange)
  • Medicaid Managed Care
  • Medicare Managed Care

Local 1199

  • Local 1199


  • MagnaCare


  • Traditional Medicare (NY)


  • Multiplan

MVP Health Care

  • Child/Family Health Plus
  • Essential Plan
  • HMO
  • Medicaid Managed Care

Oxford Health Plans

  • Freedom
  • Liberty


  • Columbia University Employee Plan
  • Compass (Exchange)
  • HMO
  • Medicaid (Community Plan)
  • Medicare Managed Care
  • POS
  • PPO


  • Medicare Managed Care
  • SelectHealth
  • Special Needs Plan


  • Medicaid Managed Care
  • Medicare Managed Care

*Please contact the provider’s office directly to verify that your particular insurance is accepted.

Contact & Locations


Allogeneic Studies

My laboratory is investigating the ability of ex-vivo expanded Tregs to enhance bone marrow engraftment and extend the duration of mixed chimerism. The induction of durable mixed chimerism without graft-versus-host disease should in turn lead to life-long donor-specific tolerance to any co-transplanted cells (islets) or solid organs (heart, liver, lung) from the donor. We are also collaborating with other investigators at the CCTI to study the ability of amnion-derived multipotent progenitor cells to enhance bone marrow engraftment in translational models as an alternate, and potentially synergistic, strategy to induce durable mixed chimerism.

We are also investigating the ability to translate the induction protocol that induces tolerance to simultaneously co-transplanted bone marrow and kidney grafts (despite only transient mixed chimerism developing) to combined bone marrow and liver grafts. In particular, we are investigating 1) the role of donor and recipient memory cells in mediating host-versus-graft and graft-versus-host responses; and 2) the role that inflammatory cytokines, particularly in the portal system, play in priming inflammatory and tolerogenic cellular responses.

The future goals of the laboratory include collaborating with the Chen lab in testing the ability of durable mixed chimerism to induce tolerance to organs that do not facilitate tolerance with the transient mixed chimerism approach, such as islets. We also plan to test the ability of modulating the T cell memory responses and the inflammatory environment induced after liver transplant to reliably induce rapid tolerance after liver transplants.

Xenogeneic Studies

The development of Gal-knockout swine removed the most significant target of natural antibodies from the surface of pig cells. However, low levels of non-Gal antibodies represent a barrier to long-term solid organ xenograft survival and xenogeneic bone marrow engraftment. Since pharmacological interventions have been unsuccessful in decreasing natural antibody levels, my lab is investigating the efficacy of Treg therapy in reducing anti-swine antibodies and facilitating tolerance induction to xenotransplants.

Current investigations include:

1. Studies on the optimal method of stimulating Tregs during expansion to generate donor-specific Tregs

2. Suppression of xenogeneic natural antibodies by donor-specific Tregs in preclinical models

3. Augmentation of xenogeneic chimerism using donor-specific Tregs

The future goals of the laboratory are to utilize donor-specific Tregs to control the natural anti-swine antibody response in translational swine-to-humanized mice and swine-to-nonhuman primate models. This in turn will facilitate the induction of xenogeneic chimerism that is expected to result in robust tolerance to donor solid organ transplants.

Research Interests

  • Use of Tregs to control natural antibody responses and facilitate xenogeneic bone marrow engraftment
  • Xenogeneic tolerance induction via mixed chimerism and thymus transplant
  • Allogeneic tolerance induction
  • Control of humoral rejection
  • Small for Size Syndrome after Living Donor Liver Transplantation



Jul 1 2019 - Jul 1 2024


Aug 18 2017 - Jul 31 2022


Aug 1 2017 - Jul 31 2022


Jan 1 2017 - Dec 31 2021


Aug 1 2017 - Jul 31 2021


Jul 1 2015 - Mar 31 2021


Jul 1 2018 - Jun 30 2020


Apr 3 2019 - Apr 2 2020


Sep 1 2018 - Jul 31 2019


Aug 6 2015 - Aug 5 2018


Mar 1 2017 - Feb 28 2018


Apr 1 1991 - Jan 31 2018


Aug 15 2015 - Aug 14 2017


Aug 19 2016 - Jul 31 2017


Jul 1 2016 - Jun 30 2017


Jul 1 2015 - Jun 30 2017

Selected Publications

Alonso-Gullart P, Llore N, Lopes E, Kofman S, Ho S, Stern J, Pierre G, Bruestle K, Tang, Q, Sykes M, Griesemer A. CD40L-stimulated B cells for ex vivo expansion of polyspecific nonhuman primate regulatory T cells for translational studies. In Revision 2020. Clinical and Experimental Immunology.

Duggan EM, Griesemer A. Progress towards xenogeneic tolerance. Current Opinion in Organ Transplantation 2020. In Press.

Hozain AE, O’Neill JD, Pinezich MR, Tipograf U, Donocoff R, Cunningham KM, Tumen A, Fung K, Ukita R, Simpson M, Reimer JA, Ruiz EC, Queen D, Stokes JW, Cardwell NK, Talackine J, Snoeck H, Chen Y, Romanov, A, Marboe CC, Griesemer AD, Guenthart BA, Bacchetta M, Vunjak-Novakovic G. Xenogeneic cross-circulation for extracorporeal recovery of injured human lungs. Nature Medicine. 2020 In press.

Kato T, Hwang R, Liou P, Weiner J, Griesemer A, Samstein B, Halazun K, Mathur A, Schwartz G, Cherqui D, Emond J. Ex vivo resection and autotransplantation for conventionally unresectable tumors – an 11-year single center experience. Annals of Surgery. 2020. In Press.

Heinz N, Griesemer A, Kinney J, Vittorio J, Lagana S, Golder D, Velasco M, Kato T, Lobritto S, Martinez M. A case of infant with SARS-CoV-2 hepatitis early after liver transplantation. Pediatric Transplantation. 2020. In press.

Lagana SM, De Michele S, Lee MJ, Emond JC, Griesemer AD, Tulin-Silver SA, Verna EC, Martinez M, Lefkowitch JH. COVID-19 Associated Hepatitis Complicating Recent Living Donor Liver Transplantation. Archives of Pathology and Laboratory Medicine. 2020 Apr 17. PMID: 32302212

Chaudhry S, Kato Y, Weiner J, Alonso-Guallart P, Baker S, Woodland DC, Lefkowitch JH, Duran-Struuck R, Sondermeijer HP, Zitsman J, Sears ML, Wu A, Karolewski B, Houck PJ, Martinez M, Kato T, Sykes M, Griesemer AD. In contrast to kidney, liver allograft tolerance is not achieved with a transient mixed chimerism regimen in nonhuman primates. Transplantation. 2020 Apr 6. Epub ahead of print. PMID: 32265416

Winer L, Vivero M, Scully B, Cortez A, Kassam A, Nowygrod R, Griesemer A, Emond JE, Quillin R. Exploring medical students’ perceptions of organ procurement: Need for a formalized medical student curriculum. Journal of Surgical Education. J Surg Educ. 2019 Nov 18. PMID: 31753606

Sellberg F, Berglund D, Binder C, Hope J, Fontenot J, Griesemer A, Sykes M, Sachs DH, Berglund E. Pharmacokinetic and pharmacodynamic study of a clinically effective anti-CD2 monoclonal antibody. Scand J Immunol. 2019 Oct 20:e12839. PMID: 31630416

Berglund E, Alonso-Guallart P, Danton M, Sellberg F, Binder C, Fröbom R, Berglund D, Llore N, Sakai H, Iuga A, Ekanayake-Alper D, Reimann KA, Sachs DH, Sykes M, Griesemer A. Safety and pharmacodynamics of anti-CD2 monoclonal antibody treatment in cynomolgus macaques. Transpl Int. 2019 Sep 15. PMID: 31523849

Alonso-Guallart P, Duran-Struuck R, Zitsman J, Sameroff S, Pereira M, Stern J, Berglund E, Llore N, Pierre G, Lopes E, Kofman S, Danton M, Sondermeijer H, Woodland D, Kato Y, Ekanayake-Alper D, Iuga A,  Wuu CS, Wu A, Lipkin I, Tokarz R, Sykes M, Griesemer A. Impact of CMV reactivation and treatment approaches on the clinical course and immune reconstitution in a non-myeloablative tolerance induction protocol in Cynomolgus macaques. Transplantation. 2019 PMID: 31385931

Reis S, Bruestle K, Brejt S, Tulin-Silver S, Frenkel J, Mobley D, Griesemer A, England R, Sobolevsky S, Sperling D, Schlossberg P, Susman J, Weintraub J. Two-week interval biliary stricture dilation protocol may decrease biliary drainage time following pediatric liver transplant. Pediatric Transplantation 2019. In press. PMID: 31313460

Sykes M, Griesemer A. Transplantation tolerance in nonhuman primates and humans. Bone Marrow Transplant. 2019 Aug;54(Suppl 2):815-821. doi: 10.1038/s41409-019-0620-3. PMID: 31431694

Yu YD, Huang R, Halazun KJ, Griesemer A, Kato T, Emond J, Samstein B. Whose Liver Is It Anyway?: Two Centers Participating in One Living Donor Transplantation. Liver Transpl. 2019 Nov;25(11):1710-1713. PMID: 31273912

Hecht EM, Wang ZJ, Kambadakone A, Griesemer AD, Fowler KJ, Heimbach JK, Fider JL. Living Donor Liver Transplantation: Preoperative Planning and Postoperative Complications. AJR Am J Roentgenol. 2019 Apr 11:1-12. PMID: 30973784

Hecht EM, Kambadakone A, Griesemer AD, Fowler KJ, Wang ZJ, Heimbach JK, Fidler JL. Living Donor Liver Transplantation: Overview, Imaging Technique, and Diagnostic Considerations. AJR Am J Roentgenol. 2019 Apr 11:1-11. PMID: 30973783

Vittorio J, Orellana K, Martinez M, Ovchinsky N, Schlossberg P, Griesemer A, Lobritto S. Partial Splenic Embolization is a Safe and Effective Alternative in the Management of Portal Hypertension in Children. Journal of Pediatric Gastroenterology and Nutrition. 2019; PMID: 30908386

Chaudhry S, Emond JE, Griesemer A. Immune Cell Trafficking to the Liver. Transplantation. PMID: 30817405

Alonso-Guallart P, Zitsman JS, Stern J, Kofman SB, Woodland D, Ho SH, Sondermeijer HP, Bühler L, Griesemer A, Sykes M, Duran-Struuck R. Characterization, biology, and expansion of regulatory T cells in the Cynomolgus macaque for pre-clinical studies. Am J Transplant. 2019 Feb 15. PMID:30768842

Fu J, Zuber J, Martinez M, Shonts B, Obradovic A, Wang H, Lau SP, Xia A, Waffarn EE, Frangaj K, Savage TM, Simpson MT, Yang S, Guo XV, Miron M, Senda T, Rogers K, Rahman A, Ho SH, Shen Y, Griesemer A, Farber DL, Kato T, Sykes M. Human Intestinal Allografts Contain Functional Hematopoietic Stem and Progenitor Cells that Are Maintained by a Circulating Pool. Cell Stem Cell. 2018 Nov 21 PMID: 30503142 

Llore NP, Bruestle KA, Griesemer A. Xenotransplantation tolerance: applications for recent advances in modified swine. Curr Opin Organ Transplant. 2018 Dec;23(6):642-648. PMID: 30379724 PMC7010353

Samstein B, Griesemer A, Halazun K, Kato T, Guarrera JV, Cherqui D, Emond JC. Pure Laparoscopic Donor Hepatectomies: Ready for Widespread Adoption? Ann Surg. 2018 Aug 10. PMID: 30102634

Chaudhry SG, Bentley-Hibbert S, Stern J, Lobritto S, Martinez M, Vittorio J, Halazun KJ, Lee HT, Emond J, Kato T, Samstein B, Griesemer A. Growth of Liver Allografts Over Time in Pediatric Transplant Recipients. Pediatric Transplantation. 2018 Mar;22(2). PMID: 29334158

Elnaggar AS, Griesemer AD, Bentley-Hibbert S, Brown RS, Martinez M, Lobritto SJ, Kato T, Emond JC. Liver Atrophy and Regeneration in Non-Cirrhotic Portal Vein Thrombosis: Effect of Surgical Shunts. Liver Transplantation. 2018 Jul;24(7):881-887. PMID: 29377486

Quillin RC, Bongu A, Kasper v, Vittorio JM, Martinez M, Lobritto SJ, Griesemer AD, Guarrera JG. Roux-en-Y enterolith leading to obstruction and ischemic necrosis after pediatric orthoscopic liver transplantation. Pediatric Transplantation. 2018. In 2018 May;22(3):e13160. PMID: 29607581

Przybyszewski EM, Verna EC, Lobritto SJ, Martinez M, Vittorio J, Fox AN, Samstein B, Kato T, Griesemer AD, Emond JC. Durable Clinical and Immunologic Advantage of Living Donor Liver Transplantation in Children. Transplantation 2018. Jun;102(6):953-960. PMID: 29369249

Vallabhajosyula P, Hirakata A, Weiss M, Griesemer A, Shimizu A, Hong H, Habertheuer A, Tchipashvili V, Yamada K, Sachs DH. Effect of the Diabetic State on Islet Engraftment and Function in a Large Animal Model of Islet-Kidney Transplantation. Cell Transplant. 2017 Nov;26(11):1755-1762. PMID: 29338381

Rahnemai-Azar AA, Griesemer AD, Velasco ML, Kato T. Ex vivo excision of retroperitoneal soft tissue tumors: A case report. Oncol Lett. 2017 Oct;14(4):4863-4865. PMID: 29085493

Kato Y, Griesemer AD, Wu A, Sondermeijer H, Weiner JI, Duran-Struuck R, Martinez M, Slate A, Romanov A, Lefkowitch JH, Sykes M, and Kato T. Novel H-Shunt Venovenous Bypass for Liver Transplantation in Cynomolgus Macaques. Comparative Medicine. 2017 Oct 1;67(5):436-441. PMID: 28935006

Halazun KJ, Rana AA, Fortune B, Quillan RC, Verna EC, Samstein B, Guarrera JV, Kato T, Griesemer AD, Fox A, Brown RS Jr, Emond JC. No Country for Old Livers? Examining and Optimizing the Utilization of Elderly Liver Grafts. Am J Transplant. 2017 Sep 27.  PMID: 28960723

Carpenter DJ, Granot T, Matsuoka N, Senda T, Kumar BV, Thome JJC, Gordon CL, Miron M, Weiner J, Connors T, Lerner H, Friedman A, Kato T, Griesemer AD, Farber DL. Human immunology studies using organ donors: impact of clinical variations on immune parameters in tissues and circulation. Am J Transplant. 2017 Jul 18. PMID: 28719147

Halazun KJ, Quillin RC, Rosenblatt R, Bongu A, Griesemer AD, Kato T, Smith C, Michelassi F, Guarrera JV, Samstein B, Brown RS Jr, Emond JC. Expanding the Margins: High Volume Utilization of Marginal Liver Grafts Among >2000 Liver Transplants at a Single Institution. Ann Surg. 2017 Jun 27. PMID: 28657945.

Griesemer AD, Emond JC. Big improvements for the smallest recipients. Liver Transpl. 2017 Jun 15. PMID: 28618184.

Granot T, Senda T, Carpenter DJ, Matsuoka N, Weiner J, Gordon CL, Miron M, Kumar B, Griesemer A, Ho S, Lerner H, Thome J, Connors T, Reizis B, Farber DL. Dendritic cells display subset and tissue-specific maturation dynamics over human life. Immunity. 2017 Mar 21;46(3):504-515. 

Duran-Struuck R, Sondermeijer HP, Bühler L, Alonso-Guallart P, Zitsman J, Kato Y, Wu A, McMurchy AN, Woodland D, Griesemer A, Martinez M, Boskovic S, Kawai T, Cosimi AB, Wuu CS, Slate A, Mapara M, Baker S, Tokarz R, Dʼ Agati V, Hammer S, Pereira M, Lipkin WI, Wekerle T, Levings M, Sykes M. Effect of ex vivo Expanded Recipient Regulatory T Cells on Hematopoietic Chimerism and Kidney Allograft Tolerance Across MHC Barriers in Cynomolgus Macaques. Transplantation. 2017 Eeb;101(2):274-283. PMID: 27846155

Halazun KJ, Najjar M, Abdelmessih RM, Samstein B, Griesemer AD, Guarrera JV, Kato T, Verna EC, Emond JC, Brown RS Jr. Recurrence After Liver Transplantation for Hepatocellular Carcinoma: A New MORAL to the Story. Ann Surg. 2016 Sep 16. PMID: 27611615

Emond JC, Griesemer AD. Tolerance in clinical liver transplantation: The long road ahead. Hepatology 2017 Feb;65(2):411-413.  PMID: 27718261

Zuber J, Shonts B, Lau S, Obradovic A, Fu J, Yang S, Lambert M, Coley S, Weiner J, Thome J, DeWolf S, Farber DL, Shen Y, Caillat-Zucman S, Bhagat G, Griesemer A, Martinez M, Kato T, Sykes M. Bidirectional intragraft alloreactivity drives the repopulation of human intestinal allografts and correlates with clinical outcome. Science Immunology. 2016 October 07; 1(4).

Halazun KJ, Przybyszewski EM, Griesemer AD, Cherqui D, Michelassi F, Guarrera JV, Kato T, Brown RS Jr, Emond JC, Samstein B. Leaning to the Left: Increasing the Donor Pool by Using the Left Lobe, Outcomes of the Largest Single-center North American Experience of Left Lobe Adult-to-adult Living Donor Liver Transplantation. Ann Surg. 2016 Jul 18. PMID: 27433896

Martinez M, Brodlie S, Griesemer A, Kato T, Harren P, Gordon B, Parker T, Levine D, Tyberg T, Starc T, Cho I, Min J, Elmore K, Lobritto S, Hudgins LC. Effects of Liver Transplantation on Lipids and Cardiovascular Disease in Children With Homozygous Familial Hypercholesterolemia. Am J Cardiol. 2016 May 28. PMID: 27365335

Weiner J, Griesemer A, Island E, Lobritto S, Martinez M, Selvaggi G, Lefkowitch J, Velasco M, Tryphonopoulos P, Emond J, Tzakis A, Kato T. Long term outcomes of auxiliary partial orthotopic liver transplantation in preadolescent children with fulminant hepatic failure. Liver Transpl. 2016 Apr;22(4):485-94 PMID: 26479577

Parekh M, D Kluger M, Griesemer A, Bentley-Hibbert S. Regenerative liver surgeries: the alphabet soup of emerging techniques. Abdom Radiol (NY). 2016 Jan;41(1):162-73. PMID: 26830622

Thome JJ, Bickham KL, Ohmura Y, Kubota M, Matsuoka N, Gordon C, Granot T, Griesemer A, Lerner H, Kato T, Farber DL. Early-life compartmentalization of human T cell differentiation and regulatory function in mucosal and lymphoid tissues. Nature Medicine. 2016; 22(1):72-7. NIHMSID: NIHMS738060; PMID: 26657141 PMCID: PMC4703455

Soubrane O, de Rougemont O, Kim KH, Samstein B, Mamode N, Boillot O, Troisi RI, Scatton O, Cauchy F, Lee SG, Griesemer A, Ahmed Z, Clavien PA, Cherqui D. Laparoscopic Living Donor Left Lateral Sectionectomy: A New Standard Practice for Donor Hepatectomy. Ann Surg. 2015 Nov;262(5):757-763. PMID: 26583663

Matsuoka N, Weiner JI, Griesemer AD, Samstein BB, Zhao Y, et al. Ex Vivo Pancreaticoduodenectomy and Liver Autotransplantation for Pancreatic Head Tumor with Extensive Involvement of the Hepatoduodenal Ligament. Liver Transplantation. 2015 Dec;21(12):1553-6; PMID: 26289503

Samstein B, Griesemer A, Cherqui D, Mansour T, Pisa J, et al. Fully laparoscopic left-sided donor hepatectomy is safe and associated with shorter hospital stay and earlier return to work: A comparative study. Liver Transplantation. 2015; 21(6):768-73.PMID: 25789460

Weiner J, Duran-Struuck R, Zitsman J, Buhler L, Sondermeijer H, McMurchy A, Levings MK, Sykes M, Griesemer A. Restimulation after cryopreservation and thawing preserves the phenotype and function of expanded baboon regulatory T cells. Transplantation Direct. 2015 February; 1(1):1-7.

Wang H, Griesemer AD, Parsons RF, Graham JA, Emond JC, Samstein B. Delayed Gastric Emptying after Living donor Hepatectomy for Liver Transplantation. Case Reports in Transplantation. 2014. PMID: 25610698 PMCID: PMC4291134

Halazun KJ, Patzer RE, Rana AA, Verna EC, Griesemer AD, Parsons RF, Samstein B, Guarrera JV, Kato T, Brown RS Jr, Emond JC. Standing the test of time: Outcomes of a decade of prioritizing patients with HCC, results of the UNOS natural geographic experiment. Hepatology. 2014 Jun 20. PMID: 24954365 

Weiner J, Wu J, Martinez M, Lobritto S, Ovchinsky N, Rohde C, Griesemer A, Kato T. The use of bi-planar tissue expanders to augment abdominal domain in a pediatric intestinal transplant recipient. Pediatr Transplant. 2014 Aug;18(5):E174-9. PMID: 25041331

Griesemer A, Yamada K, Sykes M. Xenotransplantation: immunological hurdles and progress toward tolerance. Immunological Reviews. Immunol Rev. 2014 Mar;258(1):241-58. PMID: 24517437 PMCID: PMC4023346

Samstein B, Cherqui D, Guarrera J, Griesemer A, Halazun KJ, Kato T, Emond JE. Totally laparoscopic full left hepatectomy for living donor liver transplantation in adolescents and adults. Am J Transplant. 2013 Sept: 13: 2462–2466. PMID: 24034709

Weiner J, Scalea J, Ishikawa Y, Okumi M, Griesemer A, Hirakata A, Etter J, Gillon B, Moran S, Shimizu A, Yamada K, Sachs DH.  Tolerogenicity of Donor Major Histocompatibility complex-matched Skin Grafts in Previously Tolerant Massachusetts General Hospital Miniature Swine. Transplantation. 2012 Dec 27;94(12):1192-9.  PMID:23269447 PMCID: PMC3531825

Yamada K, Hirakata A, Tchipashvili V, Shimizu A, Iwaki H, Griesemer A, Moran S, Sachs DH Composite Islet-Kidneys From Single Baboon Donors Cure Diabetes Across Fully Allogenic Barriers. Am J Transplant. 2011 Dec;11(12):2603-12.  PMID:21929644

Tena A, Vallabhajosyula P, Hawley RJ, Griesemer A, Yamada K, Sachs DH.  Quantification of Baboon Thymopoiesis in Porcine Thymokidney Xenografts by the Signal-Joining T-Cell Receptor Excision Circle Assay.  Transplantation. 2011 Mar 27;91(6):639-44.  PMID: 21285918 PMCID: PMC3255479

Hirakata A, Okumi M, Griesemer AD, Shimizu A, Nobori S, Tena A, Moran S, Arn S, Boyd RL, Sachs DH, Yamada K. Reversal of age-related thymic involution by an LHRH agonist in miniature swine. Transpl Immunol. 2010 Oct;24(1):76-81. PMID: 20692342 PMCID: PMC2988885

Griesemer AD, Sorenson EC, Hardy MA.  The Role of the Thymus in Tolerance. Transplantation. 2010 Sep 15;90(5):465-74. PMID: 20555306

Griesemer A, Liang F, Hirakata A, Hirsh E, Lo D, Okumi M, Sykes M, Yamada K, Huang CA, Sachs DH.  Occurrence of specific humoral non-responsiveness to swine antigens following administration of GalT-KO bone marrow to baboons.  Xenotransplantation. 2010 Jul;17(4):300-12. PMID: 20723202 NIHMSID: NIHMS231299

Griesemer A, Widmann W, Forde KA, Hardy MA.  John Jones, MD.  Pioneer, Patriot and Founder of American Surgery.  World J Surg. 2010 Apr;34(4):605-9. PMID: 20012608 PMCID: PMC2860285

IshikawaY, Hirakata A, Griesemer A, Etter J, Moran S, Weiner J, Shimizu A, Yamada K.  Tolerance and long-lasting peripheral chimerism following allogeneic intestinal transplantation in MGH miniature swine.  Transplantation. 2010 Feb 27;89(4):417-26. PMID: 20177343

Griesemer A, Hirakata A, Shimizu A, Moran A, Tena A, Iwaki H, Ishikawa Y, Schule P, Arn J, Robson S, Fishman J, Sykes M, Sachs D, Yamada K.  Results of Gal-Knockout porcine thymokidney xenografts.  Am J Transplant. 2009 Dec;9(12):2669-78. PMID: 19845583

Griesemer AD, Okumi M, Shimizu A, Moran S, Ishikawa Y, Iorio J, Arn JS, Yamada K.  Upregulation of CD59: potential mechanism of accommodation in a large animal model.  Transplantation. 2009 May 15;87(9):1308-17. PMID: 19424030 PMCID: PMC2772119

Knosalla C, Yazawa K, Behdad A, Bodyak N, Shang H, Bühler L, Houser S, Gollackner B, Griesemer A, Schmitt-Knosalla I, Schuurman HJ, Awwad M, Sachs DH, Cooper DK, Yamada K, Usheva A, Robson SC.  Renal and cardiac endothelial heterogeneity impact acute vascular rejection in pig-to-baboon xenotransplantation.  Am J Transplant. 2009 May;9(5):1006-16. PMID: 19422330 PMCID: PMC2824173

Mii A, Shimizu A, Masuda Y, Fujita E, Aki K, Ishizaki M, Sato S, Griesemer A, Fukuda Y.  Current status and issues of C1q nephropathy.  Clin Exp Nephrol. Clin Exp Nephrol. 2009 Aug;13(4):263-74. PMID: 19373520

Issa NC, Wilkinson RA, Griesemer A, Cooper DK, Yamada K, Sachs DH, Fishman JA.  Absence of replication of porcine endogenous retrovirus and porcine lymphotropic herpesvirus type 1 with prolonged pig cell microchimerism after pig-to-baboon xenotransplantation.  Journal of Virology. 2008 Dec;82(24):12441-8. PMID: 18829759 PMCID: PMC2593320

Griesemer AD, Lamattina JC, Okumi M, Etter JD, Shimizu A, Sachs DH, Yamada K.  Linked suppression across an MHC-mismatched barrier in a miniature swine kidney transplantation model. Journal of Immunology. 2008 Sep 15;181(6):4027-36. PMID: 18768858 PMCID: PMC2694842

Oku M, Okumi M, Sahara H, Hirakata A, Onoe T, Griesemer AD, Yamada K.  Porcine CFSE mixed lymphocyte reaction and PKH-26 cell-mediated lympholysis assays. Transplant Immunology. 2008 Nov;20(1-2):78-82. PMID: 18718865

Okumi M, Fishbein JM, Griesemer A, Gianello PR, Hirakata A, Nobori S, Moran S, Samelson-Jones E, Shimizu A, Sachs DH, Yamada K.  Breaking tolerance to kidney allografts in miniature swine I. Role of persistence of antigen and indirect recognition in the maintenance of tolerance to renal allografts.  Transplantation 2008 Jan; 85(2): 270-208. PMID: 18212633 PMCID: PMC2862307

Vallabhajosyula P, Griesemer A, Yamada K, Sachs DH. Vascularized composite islet-kidney transplantation in a miniature swine model. Cell Biochemistry and Biophysics 2007 48:2-3, 201. PMID: 17709890

Yamada K, Griesemer A, Sykes M, Sachs DH.   Cotransplantation of vascularized thymus and kidney from GalT-KO pigs to baboons.  Xenotransplantation. 2007 Mar;14(2):186-9.

Nobori S, Shimizu A, Okumi M, Samelson-Jones E, Griesemer A, Hirakata A, Sachs DH, Yamada K.  Thymic rejuvenation and the induction of tolerance by adult thymic grafts.  Proc Natl Acad Sci U S A. 2006 Dec 12;103(50):19081-6. PMID: 17148614 PMCID: PMC1748180

Wong BS, Yamada K, Okumi M, Weiner J, O'Malley PE, Tseng YL, Dor FJ, Cooper DK, Saidman SL, Griesemer A, Sachs DH. Allosensitization does not increase the risk of xenoreactivity to alpha1,3-galactosyltransferase gene-knockout miniature swine in patients on transplantation waiting lists.  Transplantation. 2006 Aug 15;82(3):314-9. PMID: 16906027

Yamada K, Griesemer A, Okumi M.  Pigs as xenogeneic donors.  Transplantation Reviews, 2005 June, 19(3) pp. 164-177.

Losanoff JE, Richman BW, Foerst JR, Griesemer AD, Mundis GM, Jones JW.  Nonspecific ulcers of the colon.  Endoscopy. 2003 Jun;35(6):521-5. PMID: 12783352

Fuchimoto Y. Huang CA. Yamada K. Gleit ZL. Kitamura H. Griesemer A. Scheier-Dolberg R. Melendy E. White-Scharf ME. Sachs DH. Induction of kidney allograft tolerance through mixed chimerism in miniature swine. Transplantation Proceedings. 33(1-2):77, 2001 Feb-Mar. PMID: 11266710

Fuchimoto Y. Huang CA. Gleit ZL. Kitamura H. Griesemer A. Melendy E. Scheier-Dolberg R. White-Scharf ME. Sachs DH. Mixed chimerism using a nonmyelosuppressive regimen in miniature swine. Transplantation Proceedings. 33(1-2):118-9, 2001 Feb-Mar. PMID: 11266736. 

Huang CA. Fuchimoto Y. Gleit ZL. Ericsson T. Griesemer A. Scheier-Dolberg R. Melendy E. Kitamura H. Fishman JA. Ferry JA. Harris NL. Patience C. Sachs DH. Posttransplantation lymphoproliferative disease in miniature swine after allogeneic hematopoietic cell transplantation: similarity to human PTLD and association with a porcine gammaherpesvirus. Blood. 97(5):1467-73, 2001 Mar 1. PMID: 11222395

Mumm JS. Schroeter EH. Saxena MT. Griesemer A. Tian X. Pan DJ. Ray WJ. Kopan R. A ligand-induced extracellular cleavage regulates gamma-secretase-like proteolytic activation of Notch1. Molecular Cell. 5(2):197-206, 2000 Feb. PMID: 10882062