All Publications

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  1. Downs EM, Eaton A, Witkowski P, Wijkstrom M, Walsh M, Trikudanathan G, Singh VK, Schwarzenberg SJ, Pruett TL, Posselt A, Naziruddin B, Nathan JD, Mokshagundam SP, Morgan K, Lara LF, Gardner TB, Freeman ML, Ellery K, Chinnakotla S, Beilman GJ, Adams D, Ahmad S, Abu-El-Haija M, Bellin MD. Nutritional Risks in Patients Undergoing Total Pancreatectomy Islet AutoTransplantation in the POST Consortium. J Gastrointest Surg. 2023 09; 27(9):1893-1902. View in PubMed
  2. Wisel SA, Posselt AM, Szot GL, Nunez M, Santos-Parker K, Gardner JM, Worner G, Roll GR, Syed S, Kelly Y, Ward C, Tavakol M, Johnson K, Masharani U, Stock PG. A Multi-Modal Approach to Islet and Pancreas Transplantation With Calcineurin-Sparing Immunosuppression Maintains Long-Term Insulin Independence in Patients With Type I Diabetes. Transpl Int. 2023; 36:11367. View in PubMed
  3. Wu KC, Cao S, Weaver CM, King NJ, Patel S, Kim TY, Black DM, Kingman H, Shafer MM, Rogers SJ, Stewart L, Carter JT, Posselt AM, Schafer AL. Intestinal Calcium Absorption Decreases After Laparoscopic Sleeve Gastrectomy Despite Optimization of Vitamin D Status. J Clin Endocrinol Metab. 2023 01 17; 108(2):351-360. View in PubMed
  4. Santandreu AG, Taheri-Tehrani P, Feinberg B, Torres A, Blaha C, Shaheen R, Moyer J, Wright N, Szot GL, Fissell WH, Vartanian S, Posselt A, Roy S. Characterization of human islet function in a convection-driven intravascular bioartificial pancreas. Bioeng Transl Med. 2023 Mar; 8(2):e10444. View in PubMed
  5. Witkowski P, Philipson LH, Buse JB, Robertson RP, Alejandro R, Bellin MD, Kandeel F, Baidal D, Gaglia JL, Posselt AM, Anteby R, Bachul PJ, Al-Salmay Y, Jayant K, Perez-Gutierrez A, Barth RN, Fung JJ, Ricordi C. Islets Transplantation at a Crossroads - Need for Urgent Regulatory Update in the United States: Perspective Presented During the Scientific Sessions 2021 at the American Diabetes Association Congress. Front Endocrinol (Lausanne). 2021; 12:789526. View in PubMed
  6. Meier RPH, Kelly Y, Yamaguchi S, Braun HJ, Lunow-Luke T, Adelmann D, Niemann C, Maluf DG, Dietch ZC, Stock PG, Kang SM, Feng S, Posselt AM, Gardner JM, Syed SM, Hirose R, Freise CE, Ascher NL, Roberts JP, Roll GR. Advantages and Limitations of Clinical Scores for Donation After Circulatory Death Liver Transplantation. Front Surg. 2021; 8:808733. View in PubMed
  7. Wu KC, Cao S, Weaver CM, King NJ, Patel S, Kingman H, Sellmeyer DE, McCauley K, Li D, Lynch SV, Kim TY, Black DM, Shafer MM, Özçam M, Lin DL, Rogers SJ, Stewart L, Carter JT, Posselt AM, Schafer AL. Prebiotic to Improve Calcium Absorption in Postmenopausal Women After Gastric Bypass: A Randomized Controlled Trial. J Clin Endocrinol Metab. 2022 03 24; 107(4):1053-1064. View in PubMed
  8. Nathan JD, Yang Y, Eaton A, Witkowski P, Wijkstrom M, Walsh M, Trikudanathan G, Singh VK, Schwarzenberg SJ, Pruett TL, Posselt A, Naziruddin B, Mokshagundam SP, Morgan K, Lara LF, Kirchner V, He J, Gardner TB, Freeman ML, Ellery K, Conwell DL, Chinnakotla S, Beilman GJ, Ahmad S, Abu-El-Haija M, Hodges JS, Bellin MD. Surgical approach and short-term outcomes in adults and children undergoing total pancreatectomy with islet autotransplantation: A report from the Prospective Observational Study of TPIAT. Pancreatology. 2022 Jan; 22(1):1-8. View in PubMed
  9. Lara LF, Wastvedt S, Hodges JS, Witkowski P, Wijkstrom M, Walsh RM, Singh VK, Schwarzenberg SJ, Pruett TL, Posselt A, Naziruddin B, Nathan JD, Morgan KA, Mitchell R, Kirchner VA, Mokshagundam SL, Hatipoglu B, Gardner TB, Freeman ML, Chinnakotla S, Beilman GJ, Abu-El-Haija M, Conwell DL, Bellin MD, POST study consortium. The Association of Smoking and Alcohol Abuse on Anxiety and Depression in Patients With Recurrent Acute or Chronic Pancreatitis Undergoing Total Pancreatectomy and Islet Autotransplantation: A Report From the Prospective Observational Study of TPIAT Cohort. Pancreas. 2021 07 01; 50(6):852-858. View in PubMed
  10. Ku E, McCulloch CE, Roll GR, Posselt A, Grimes BA, Johansen KL. Bariatric surgery prior to transplantation and risk of early hospital re-admission, graft failure, or death following kidney transplantation. Am J Transplant. 2021 11; 21(11):3750-3757. View in PubMed
  11. Witkowski P, Odorico J, Pyda J, Anteby R, Stratta RJ, Schrope BA, Hardy MA, Buse J, Leventhal JR, Cui W, Hussein S, Niederhaus S, Gaglia J, Desai CS, Wijkstrom M, Kandeel F, Bachul PJ, Becker YT, Wang LJ, Robertson RP, Olaitan OK, Kozlowski T, Abrams PL, Josephson MA, Andreoni KA, Harland RC, Kandaswamy R, Posselt AM, Szot GL, Ricordi C. Arguments against the Requirement of a Biological License Application for Human Pancreatic Islets: The Position Statement of the Islets for US Collaborative Presented during the FDA Advisory Committee Meeting. J Clin Med. 2021 Jun 29; 10(13). View in PubMed
  12. Witkowski P, Wijkstrom M, Bachul PJ, Morgan KA, Levy M, Onaca N, Chaidarun SS, Gardner T, Shapiro AMJ, Posselt A, Ahmad SA, Daffonchio L, Ruffini PA, Bellin MD. Targeting CXCR1/2 in the first multicenter, double-blinded, randomized trial in autologous islet transplant recipients. Am J Transplant. 2021 11; 21(11):3714-3724. View in PubMed
  13. Sharpton SR, Terrault NA, Tavakol MM, Posselt AM. Sleeve gastrectomy prior to liver transplantation is superior to medical weight loss in reducing posttransplant metabolic complications. Am J Transplant. 2021 10; 21(10):3324-3332. View in PubMed
  14. Desai CS, Szempruch KR, Vonderau JS, Chetboun M, Pattou F, Coates T, De Paep DL, Hawthorne WJ, Khan KM, de Koning EJP, Naziruddin B, Posselt A, Schrope BA, Wijkstrom M, Witkowski P, Shapiro AMJ. Anticoagulation practices in total pancreatectomy with autologous islet cell transplant patients: an international survey of clinical programs. Transpl Int. 2021 03; 34(3):593-595. View in PubMed
  15. Vasu S, Yang JM, Hodges J, Abu-El-Haija MA, Adams DB, Balamurugan AN, Beilman GJ, Chinnakotla S, Conwell DL, Freeman ML, Gardner TB, Hatipoglu B, Kirchner V, Lara LF, Morgan KA, Nathan JD, Posselt A, Pruett TL, Schwarzenberg SJ, Singh VK, Wijkstrom M, Witkowski P, Naziruddin B, Bellin MD. Circulating miRNA in Patients Undergoing Total Pancreatectomy and Islet Autotransplantation. Cell Transplant. 2021 Jan-Dec; 30:963689721999330. View in PubMed
  16. Trikudanathan G, Elmunzer BJ, Yang Y, Abu-El-Haija M, Adams D, Ahmad S, Balamurugan AN, Beilman GJ, Chinnakotla S, Conwell DL, Freeman ML, Gardner TB, Hatipoglu B, Hodges JS, Kirchner V, Lara LF, Long-Simpson L, Mitchell R, Morgan K, Nathan JD, Naziruddin B, Posselt A, Pruett TL, Schwarzenberg SJ, Singh VK, Smith K, Wijkstrom M, Witkowski P, Bellin MD. Preoperative ERCP has no impact on islet yield following total pancreatectomy and islet autotransplantation (TPIAT): Results from the Prospective Observational Study of TPIAT (POST) cohort. Pancreatology. 2021 Jan; 21(1):275-281. View in PubMed
  17. Markmann JF, Rickels MR, Eggerman TL, Bridges ND, Lafontant DE, Qidwai J, Foster E, Clarke WR, Kamoun M, Alejandro R, Bellin MD, Chaloner K, Czarniecki CW, Goldstein JS, Hering BJ, Hunsicker LG, Kaufman DB, Korsgren O, Larsen CP, Luo X, Naji A, Oberholzer J, Posselt AM, Ricordi C, Senior PA, Shapiro AMJ, Stock PG, Turgeon NA. Phase 3 trial of human islet-after-kidney transplantation in type 1 diabetes. Am J Transplant. 2021 04; 21(4):1477-1492. View in PubMed
  18. Syed SM, Gardner J, Roll G, Webber A, Mehta N, Shoji J, Adelmann D, Niemann C, Braun HJ, Mello A, Yao F, Posselt A, Kang SM, Hirose R, Roberts J, Feng S, Ascher N, Stock P, Freise C. COVID-19 and Abdominal Transplant: A Stepwise Approach to Practice During Pandemic Conditions. Transplantation. 2020 11; 104(11):2215-2220. View in PubMed
  19. Wisneski AD, Carter J, Nakakura EK, Posselt A, Rogers SJ, Cello JP, Arain M, Kirkwood KS, Hirose K, Stewart L, Corvera CU. Ampullary stenosis and choledocholithiasis post Roux-En-Y gastric bypass: challenges of biliary access and intervention. HPB (Oxford). 2020 10; 22(10):1496-1503. View in PubMed
  20. Roll GR, Posselt AM, Freise J, Baird J, Syed S, Mo Kang S, Hirose R, Szot GL, Zarinsefat A, Feng S, Worner G, Sarwal M, Stock PG. Long-term follow-up of beta cell replacement therapy in 10 HIV-infected patients with renal failure secondary to type 1 diabetes mellitus. Am J Transplant. 2020 08; 20(8):2091-2100. View in PubMed
  21. Diwan TS, Lee TC, Nagai S, Benedetti E, Posselt A, Bumgardner G, Noria S, Whitson BA, Ratner L, Mason D, Friedman J, Woodside KJ, Heimbach J. Obesity, transplantation, and bariatric surgery: An evolving solution for a growing epidemic. Am J Transplant. 2020 08; 20(8):2143-2155. View in PubMed
  22. Kim TY, Shoback DM, Black DM, Rogers SJ, Stewart L, Carter JT, Posselt AM, King NJ, Schafer AL. Increases in PYY and uncoupling of bone turnover are associated with loss of bone mass after gastric bypass surgery. Bone. 2020 02; 131:115115. View in PubMed
  23. Lara LF, Bellin MD, Ugbarugba E, Nathan JD, Witkowski P, Wijkstrom M, Steel JL, Smith KD, Singh VK, Schwarzenberg SJ, Pruett TL, Naziruddin B, Long-Simpson L, Kirchner VA, Gardner TB, Freeman ML, Dunn TB, Chinnakotla S, Beilman GJ, Adams DB, Morgan KA, Abu-El-Haija MA, Ahmad S, Posselt AM, Hughes MG, Conwell DL. A Study on the Effect of Patient Characteristics, Geographical Utilization, and Patient Outcomes for Total Pancreatectomy Alone and Total Pancreatectomy With Islet Autotransplantation in Patients With Pancreatitis in the United States. Pancreas. 2019 10; 48(9):1204-1211. View in PubMed
  24. Alba DL, Wu L, Cawthon PM, Mulligan K, Lang T, Patel S, King NJ, Carter JT, Rogers SJ, Posselt AM, Stewart L, Shoback DM, Schafer AL. Changes in Lean Mass, Absolute and Relative Muscle Strength, and Physical Performance After Gastric Bypass Surgery. J Clin Endocrinol Metab. 2019 03 01; 104(3):711-720. View in PubMed
  25. Kelly AC, Smith KE, Purvis WG, Min CG, Weber CS, Cooksey AM, Hasilo C, Paraskevas S, Suszynski TM, Weegman BP, Anderson MJ, Camacho LE, Harland RC, Loudovaris T, Jandova J, Molano DS, Price ND, Georgiev IG, Scott WE, Manas DMD, Shaw JAM, O'Gorman D, Kin T, McCarthy FM, Szot GL, Posselt AM, Stock PG, Karatzas T, Shapiro AMJ, Lynch RM, Limesand SW, Papas KK. Oxygen Perfusion (Persufflation) of Human Pancreata Enhances Insulin Secretion and Attenuates Islet Proinflammatory Signaling. Transplantation. 2019 01; 103(1):160-167. View in PubMed
  26. Sharpton SR, Terrault NA, Posselt AM. Outcomes of Sleeve Gastrectomy in Obese Liver Transplant Candidates. Liver Transpl. 2019 04; 25(4):538-544. View in PubMed
  27. Schafer AL, Kazakia GJ, Vittinghoff E, Stewart L, Rogers SJ, Kim TY, Carter JT, Posselt AM, Pasco C, Shoback DM, Black DM. Effects of Gastric Bypass Surgery on Bone Mass and Microarchitecture Occur Early and Particularly Impact Postmenopausal Women. J Bone Miner Res. 2018 06; 33(6):975-986. View in PubMed
  28. Harbell JW, Morgan T, Feldstein VA, Roll GR, Posselt A, Kang SM, Feng S, Hirose R, Freise CE, Stock P. Splenic Vein Thrombosis Following Pancreas Transplantation: Identification of Factors That Support Conservative Management. Am J Transplant. 2017 Nov; 17(11):2955-2962. View in PubMed
  29. Kim TY, Schwartz AV, Li X, Xu K, Black DM, Petrenko DM, Stewart L, Rogers SJ, Posselt AM, Carter JT, Shoback DM, Schafer AL. Bone Marrow Fat Changes After Gastric Bypass Surgery Are Associated With Loss of Bone Mass. J Bone Miner Res. 2017 Nov; 32(11):2239-2247. View in PubMed
  30. Ricordi C, Goldstein JS, Balamurugan AN, Szot GL, Kin T, Liu C, Czarniecki CW, Barbaro B, Bridges ND, Cano J, Clarke WR, Eggerman TL, Hunsicker LG, Kaufman DB, Khan A, Lafontant DE, Linetsky E, Luo X, Markmann JF, Naji A, Korsgren O, Oberholzer J, Turgeon NA, Brandhorst D, Friberg AS, Lei J, Wang LJ, Wilhelm JJ, Willits J, Zhang X, Hering BJ, Posselt AM, Stock PG, Shapiro AMJ. Erratum. National Institutes of Health-Sponsored Clinical Islet Transplantation Consortium Phase 3 Trial: Manufacture of a Complex Cellular Product at Eight Processing Facilities. Diabetes 2016;65:3418-3428. Diabetes. 2017 09; 66(9):2531. View in PubMed
  31. Song S, Blaha C, Moses W, Park J, Wright N, Groszek J, Fissell W, Vartanian S, Posselt AM, Roy S. Correction: An intravascular bioartificial pancreas device (iBAP) with silicon nanopore membranes (SNM) for islet encapsulation under convective mass transport. Lab Chip. 2017 06 27; 17(13):2334. View in PubMed
  32. Wisel SA, Gardner JM, Roll GR, Harbell J, Freise CE, Feng S, Kang SM, Hirose R, Kaufman DB, Posselt AM, Stock PG. Pancreas-After-Islet Transplantation in Nonuremic Type 1 Diabetes: A Strategy for Restoring Durable Insulin Independence. Am J Transplant. 2017 Sep; 17(9):2444-2450. View in PubMed
  33. NIH CIT Consortium Chemistry Manufacturing Controls Monitoring Committee, Ansite J, Balamurugan AN, Barbaro B, Battle J, Brandhorst D, Cano J, Chen X, Deng S, Feddersen D, Friberg A, Gilmore T, Goldstein JS, Holbrook E, Khan A, Kin T, Lei J, Linetsky E, Liu C, Luo X, McElvaney K, Min Z, Moreno J, O'Gorman D, Papas KK, Putz G, Ricordi C, Szot G, Templeton T, Wang L, Wilhelm JJ, Willits J, Wilson T, Zhang X, NIH CIT Consortium, Avila J, Begley B, Cano J, Carpentier S, Holbrook E, Hutchinson J, Larsen CP, Moreno J, Sears M, Turgeon NA, Webster D, Deng S, Lei J, Markmann JF, Bridges ND, Czarniecki CW, Goldstein JS, Putz G, Templeton T, Wilson T, Eggerman TL, Al-Saden P, Battle J, Chen X, Hecyk A, Kissler H, Luo X, Molitch M, Monson N, Stuart E, Wallia A, Wang L, Wang S, Zhang X, Bigam D, Campbell P, Dinyari P, Kin T, Kneteman N, Lyon J, Malcolm A, O'Gorman D, Onderka C, Owen R, Pawlick R, Richer B, Rosichuk S, Sarman D, Schroeder A, Senior PA, Shapiro AMJ, Toth L, Toth V, Zhai W, Johnson K, McElroy J, Posselt AM, Ramos M, Rojas T, Stock PG, Szot G, Barbaro B, Martellotto J, Oberholzer J, Qi M, Wang Y, Bayman L, Chaloner K, Clarke W, Dillon JS, Diltz C, Doelle GC, Ecklund D, Feddersen D, Foster E, Hunsicker LG, Jasperson C, Lafontant DE, McElvaney K, Neill-Hudson T, Nollen D, Qidwai J, Riss H, Schwieger T, Willits J, Yankey J, Alejandro R, Corrales AC, Faradji R, Froud T, Garcia AA, Herrada E, Ichii H, Inverardi L, Kenyon N, Khan A, Linetsky E, Montelongo J, Peixoto E, Peterson K, Ricordi C, Szust J, Wang X, Abdulla MH, Ansite J, Balamurugan AN, Bellin MD, Brandenburg M, Gilmore T, Harmon JV, Hering BJ, Kandaswamy R, Loganathan G, Mueller K, Papas KK, Pedersen J, Wilhelm JJ, Witson J, Dalton-Bakes C, Fu H, Kamoun M, Kearns J, Li Y, Liu C, Luning-Prak E, Luo Y, Markmann E, Min Z, Naji A, Palanjian M, Rickels M, Shlansky-Goldberg R, Vivek K, Ziaie AS, Fernandez L, Kaufman DB, Zitur L, Brandhorst D, Friberg A, Korsgren O. Purified Human Pancreatic Islets, CIT Culture Media with Lisofylline or Exenatide. CellR4 Repair Replace Regen Reprogram. 2017; 5(3). View in PubMed
  34. Song S, Blaha C, Moses W, Park J, Wright N, Groszek J, Fissell W, Vartanian S, Posselt AM, Roy S. An intravascular bioartificial pancreas device (iBAP) with silicon nanopore membranes (SNM) for islet encapsulation under convective mass transport. Lab Chip. 2017 05 16; 17(10):1778-1792. View in PubMed
  35. Song S, Yeung R, Park J, Posselt AM, Desai TA, Tang Q, Roy S. Glucose-Stimulated Insulin Response of Silicon Nanopore-Immunoprotected Islets under Convective Transport. ACS Biomater Sci Eng. 2017 Jun 12; 3(6):1051-1061. View in PubMed
  36. Yamanaga S, Posselt AM, Freise CE, Kobayashi T, Tavakol M, Kang SM. A Single Perioperative Injection of Dexamethasone Decreases Nausea, Vomiting, and Pain after Laparoscopic Donor Nephrectomy. J Transplant. 2017; 2017:3518103. View in PubMed
  37. Ricordi C, Goldstein JS, Balamurugan AN, Szot GL, Kin T, Liu C, Czarniecki CW, Barbaro B, Bridges ND, Cano J, Clarke WR, Eggerman TL, Hunsicker LG, Kaufman DB, Khan A, Lafontant DE, Linetsky E, Luo X, Markmann JF, Naji A, Korsgren O, Oberholzer J, Turgeon NA, Brandhorst D, Chen X, Friberg AS, Lei J, Wang LJ, Wilhelm JJ, Willits J, Zhang X, Hering BJ, Posselt AM, Stock PG, Shapiro AM, Chen X. National Institutes of Health-Sponsored Clinical Islet Transplantation Consortium Phase 3 Trial: Manufacture of a Complex Cellular Product at Eight Processing Facilities. Diabetes. 2016 11; 65(11):3418-3428. View in PubMed
  38. Kasiske BL, Kumar R, Kimmel PL, Pesavento TE, Kalil RS, Kraus ES, Rabb H, Posselt AM, Anderson-Haag TL, Steffes MW, Israni AK, Snyder JJ, Singh RJ, Weir MR. Abnormalities in biomarkers of mineral and bone metabolism in kidney donors. Kidney Int. 2016 10; 90(4):861-8. View in PubMed
  39. Hering BJ, Clarke WR, Bridges ND, Eggerman TL, Alejandro R, Bellin MD, Chaloner K, Czarniecki CW, Goldstein JS, Hunsicker LG, Kaufman DB, Korsgren O, Larsen CP, Luo X, Markmann JF, Naji A, Oberholzer J, Posselt AM, Rickels MR, Ricordi C, Robien MA, Senior PA, Shapiro AM, Stock PG, Turgeon NA, Clinical Islet Transplantation Consortium. Phase 3 Trial of Transplantation of Human Islets in Type 1 Diabetes Complicated by Severe Hypoglycemia. Diabetes Care. 2016 Jul; 39(7):1230-40. View in PubMed
  40. Song S, Faleo G, Yeung R, Kant R, Posselt AM, Desai TA, Tang Q, Roy S. Silicon nanopore membrane (SNM) for islet encapsulation and immunoisolation under convective transport. Sci Rep. 2016 Mar 24; 6:23679. View in PubMed
  41. McEnhill ME, Brennan JL, Winnicki E, Lee MM, Tavakol M, Posselt AM, Stock PG, Portale AA. Effect of Immigration Status on Outcomes in Pediatric Kidney Transplant Recipients. Am J Transplant. 2016 06; 16(6):1827-33. View in PubMed
  42. Wang LJ, Kin T, O'Gorman D, Shapiro AMJ, Naziruddin B, Takita M, Levy MF, Posselt AM, Szot GL, Savari O, Barbaro B, McGarrigle J, Yeh CC, Oberholzer J, Lei J, Chen T, Lian M, Markmann JF, Alvarez A, Linetsky E, Ricordi C, Balamurugan AN, Loganathan G, Wilhelm JJ, Hering BJ, Bottino R, Trucco M, Liu C, Min Z, Li Y, Naji A, Fernandez LA, Ziemelis M, Danobeitia JS, Millis JM, Witkowski P. A Multicenter Study: North American Islet Donor Score in Donor Pancreas Selection for Human Islet Isolation for Transplantation. Cell Transplant. 2016; 25(8):1515-1523. View in PubMed
  43. Usatin DJ, Perito ER, Posselt AM, Rosenthal P. Under Utilization of Pancreas Transplants in Cystic Fibrosis Recipients in the United Network Organ Sharing (UNOS) Data 1987-2014. Am J Transplant. 2016 05; 16(5):1620-5. View in PubMed
  44. Moassesfar S, Masharani U, Frassetto LA, Szot GL, Tavakol M, Stock PG, Posselt AM. A Comparative Analysis of the Safety, Efficacy, and Cost of Islet Versus Pancreas Transplantation in Nonuremic Patients With Type 1 Diabetes. Am J Transplant. 2016 Feb; 16(2):518-26. View in PubMed
  45. Kaplan JA, Schecter SC, Rogers SJ, Lin MYC, Posselt AM, Carter JT. Expanded indications for bariatric surgery: should patients on chronic steroids be offered bariatric procedures? Surg Obes Relat Dis. 2017 Jan; 13(1):35-40. View in PubMed
  46. Schafer AL, Weaver CM, Black DM, Wheeler AL, Chang H, Szefc GV, Stewart L, Rogers SJ, Carter JT, Posselt AM, Shoback DM, Sellmeyer DE. Intestinal Calcium Absorption Decreases Dramatically After Gastric Bypass Surgery Despite Optimization of Vitamin D Status. J Bone Miner Res. 2015 Aug; 30(8):1377-85. View in PubMed
  47. Tai DS, Shen N, Szot GL, Posselt A, Feduska NJ, Habashy A, Clerkin B, Core E, Busuttil RW, Hines OJ, Reber HA, Lipshutz GS. Autologous islet transplantation with remote islet isolation after pancreas resection for chronic pancreatitis. JAMA Surg. 2015 Feb; 150(2):118-24. View in PubMed
  48. Schafer AL, Li X, Schwartz AV, Tufts LS, Wheeler AL, Grunfeld C, Stewart L, Rogers SJ, Carter JT, Posselt AM, Black DM, Shoback DM. Changes in vertebral bone marrow fat and bone mass after gastric bypass surgery: A pilot study. Bone. 2015 May; 74:140-5. View in PubMed
  49. Ahearn AJ, Parekh JR, Posselt AM. Islet transplantation for Type 1 diabetes: where are we now? Expert Rev Clin Immunol. 2015 Jan; 11(1):59-68. View in PubMed
  50. Balamurugan AN, Naziruddin B, Lockridge A, Tiwari M, Loganathan G, Takita M, Matsumoto S, Papas K, Trieger M, Rainis H, Kin T, Kay TW, Wease S, Messinger S, Ricordi C, Alejandro R, Markmann J, Kerr-Conti J, Rickels MR, Liu C, Zhang X, Witkowski P, Posselt A, Maffi P, Secchi A, Berney T, O'Connell PJ, Hering BJ, Barton FB. Islet product characteristics and factors related to successful human islet transplantation from the Collaborative Islet Transplant Registry (CITR) 1999-2010. Am J Transplant. 2014 Nov; 14(11):2595-606. View in PubMed
  51. Kitzmann JP, Pepper AR, Gala-Lopez B, Pawlick R, Kin T, O'Gorman D, Mueller KR, Gruessner AC, Avgoustiniatos ES, Karatzas T, Szot GL, Posselt AM, Stock PG, Wilson JR, Shapiro AM, Papas KK. Human islet viability and function is maintained during high-density shipment in silicone rubber membrane vessels. Transplant Proc. 2014 Jul-Aug; 46(6):1989-91. View in PubMed
  52. Carter J, Elliott S, Kaplan J, Lin M, Posselt A, Rogers S. Predictors of hospital stay following laparoscopic gastric bypass: analysis of 9,593 patients from the National Surgical Quality Improvement Program. Surg Obes Relat Dis. 2015 Mar-Apr; 11(2):288-94. View in PubMed
  53. Benedict KA, Moassesfar S, Adi S, Gitelman SE, Brennan JL, McEnhill M, Stock PG, Portale AA, Posselt AM. Combined pancreatic islet and kidney transplantation in a child with unstable type 1 diabetes and end-stage renal disease. Am J Transplant. 2013 Aug; 13(8):2207-10. View in PubMed
  54. Lin MY, Tavakol MM, Sarin A, Amirkiai SM, Rogers SJ, Carter JT, Posselt AM. Laparoscopic sleeve gastrectomy is safe and efficacious for pretransplant candidates. Surg Obes Relat Dis. 2013 Sep-Oct; 9(5):653-8. View in PubMed
  55. Barton FB, Rickels MR, Alejandro R, Hering BJ, Wease S, Naziruddin B, Oberholzer J, Odorico JS, Garfinkel MR, Levy M, Pattou F, Berney T, Secchi A, Messinger S, Senior PA, Maffi P, Posselt A, Stock PG, Kaufman DB, Luo X, Kandeel F, Cagliero E, Turgeon NA, Witkowski P, Naji A, O'Connell PJ, Greenbaum C, Kudva YC, Brayman KL, Aull MJ, Larsen C, Kay TW, Fernandez LA, Vantyghem MC, Bellin M, Shapiro AM. Improvement in outcomes of clinical islet transplantation: 1999-2010. Diabetes Care. 2012 Jul; 35(7):1436-45. View in PubMed
  56. Lin MY, Tavakol MM, Sarin A, Amirkiai SM, Rogers SJ, Carter JT, Posselt AM. Safety and feasibility of sleeve gastrectomy in morbidly obese patients following liver transplantation. Surg Endosc. 2013 Jan; 27(1):81-5. View in PubMed
  57. Berney T, Korsgren O, Posselt A, Pileggi A. Islet Transplantation & β-Cell Replacement Therapies for Diabetes. J Transplant. 2011; 2011:157840. View in PubMed
  58. Ahearn AJ, Posselt AM, Kang SM, Roberts JP, Freise CE. Experience with laparoscopic donor nephrectomy among more than 1000 cases: low complication rates, despite more challenging cases. Arch Surg. 2011 Jul; 146(7):859-64. View in PubMed
  59. Rabl C, Peeva S, Prado K, James AW, Rogers SJ, Posselt A, Campos GM. Early and late abdominal bleeding after Roux-en-Y gastric bypass: sources and tailored therapeutic strategies. Obes Surg. 2011 Apr; 21(4):413-20. View in PubMed
  60. Posselt AM, Szot GL, Frassetto LA, Masharani U, Tavakol M, Amin R, McElroy J, Ramos MD, Kerlan RK, Fong L, Vincenti F, Bluestone JA, Stock PG. Islet transplantation in type 1 diabetic patients using calcineurin inhibitor-free immunosuppressive protocols based on T-cell adhesion or costimulation blockade. Transplantation. 2010 Dec 27; 90(12):1595-601. View in PubMed
  61. Posselt AM, Bellin MD, Tavakol M, Szot GL, Frassetto LA, Masharani U, Kerlan RK, Fong L, Vincenti FG, Hering BJ, Bluestone JA, Stock PG. Islet transplantation in type 1 diabetics using an immunosuppressive protocol based on the anti-LFA-1 antibody efalizumab. Am J Transplant. 2010 Aug; 10(8):1870-80. View in PubMed
  62. Posselt AM, Szot GL, Frassetto LA, Masharani U, Stock PG. Clinical islet transplantation at the University of California, San Francisco. Clin Transpl. 2010; 235-43. View in PubMed
  63. Szot GL, Lee MR, Tavakol MM, Lang J, Dekovic F, Kerlan RK, Stock PG, Posselt AM. Successful clinical islet isolation using a GMP-manufactured collagenase and neutral protease. Transplantation. 2009 Sep 27; 88(6):753-6. View in PubMed
  64. James AW, Rabl C, Westphalen AC, Fogarty PF, Posselt AM, Campos GM. Portomesenteric venous thrombosis after laparoscopic surgery: a systematic literature review. Arch Surg. 2009 Jun; 144(6):520-6. View in PubMed
  65. Tavakol MM, Vincenti FG, Assadi H, Frederick MJ, Tomlanovich SJ, Roberts JP, Posselt AM. Long-term renal function and cardiovascular disease risk in obese kidney donors. Clin J Am Soc Nephrol. 2009 Jul; 4(7):1230-8. View in PubMed
  66. Campos GM, Rabl C, Mulligan K, Posselt A, Rogers SJ, Westphalen AC, Lin F, Vittinghoff E. Factors associated with weight loss after gastric bypass. Arch Surg. 2008 Sep; 143(9):877-883; discussion 884. View in PubMed
  67. Campos GM, Bambha K, Vittinghoff E, Rabl C, Posselt AM, Ciovica R, Tiwari U, Ferrel L, Pabst M, Bass NM, Merriman RB. A clinical scoring system for predicting nonalcoholic steatohepatitis in morbidly obese patients. Hepatology. 2008 Jun; 47(6):1916-23. View in PubMed
  68. Takata MC, Campos GM, Ciovica R, Rabl C, Rogers SJ, Cello JP, Ascher NL, Posselt AM. Laparoscopic bariatric surgery improves candidacy in morbidly obese patients awaiting transplantation. Surg Obes Relat Dis. 2008 Mar-Apr; 4(2):159-64; discussion 164-5. View in PubMed
  69. Lee RH, Carter J, Szot GL, Posselt A, Stock P. Human albumin preserves islet mass and function better than whole serum during pretransplantation islet culture. Transplant Proc. 2008 Mar; 40(2):384-6. View in PubMed
  70. Ciovica R, Takata M, Vittinghoff E, Lin F, Posselt AM, Rabl C, Stein HJ, Campos GM. The impact of roux limb length on weight loss after gastric bypass. Obes Surg. 2008 Jan; 18(1):5-10. View in PubMed
  71. Mahanty HD, Posselt AM, Lipshutz GS, Schneider DB, Freise CE. Catheter-directed therapy for DVT after pancreas transplantation. Clin Transplant. 2007 Nov-Dec; 21(6):748-54. View in PubMed
  72. Campos GM, Ciovica R, Rogers SJ, Posselt AM, Vittinghoff E, Takata M, Cello JP. Spectrum and risk factors of complications after gastric bypass. Arch Surg. 2007 Oct; 142(10):969-75; discussion 976. View in PubMed
  73. Takata MC, Ciovica R, Cello JP, Posselt AM, Rogers SJ, Campos GM. Predictors, treatment, and outcomes of gastrojejunostomy stricture after gastric bypass for morbid obesity. Obes Surg. 2007 Jul; 17(7):878-84. View in PubMed
  74. Carter JT, Tafreshian S, Campos GM, Tiwari U, Herbella F, Cello JP, Patti MG, Rogers SJ, Posselt AM. Routine upper GI series after gastric bypass does not reliably identify anastomotic leaks or predict stricture formation. Surg Endosc. 2007 Dec; 21(12):2172-7. View in PubMed
  75. Sipe WE, Su M, Posselt A, Kim GE, Quiros JA, Rosenthal P. Propylthiouracil-associated liver failure presenting as probable autoimmune hepatitis in a child with Graves' disease. Pediatr Transplant. 2006 Jun; 10(4):525-8. View in PubMed
  76. Melcher ML, Olson JL, Baxter-Lowe LA, Stock PG, Posselt AM. Antibody-mediated rejection of a pancreas allograft. Am J Transplant. 2006 Feb; 6(2):423-8. View in PubMed
  77. Carter J, Karmiol S, Nagy M, McElreath R, Calloway C, Motley A, Neill A, Jang HJ, Posselt A, Stock P. Pretransplant islet culture: a comparison of four serum-free media using a murine model of islet transplantation. Transplant Proc. 2005 Oct; 37(8):3446-9. View in PubMed
  78. Melcher ML, Carter JT, Posselt A, Duh QY, Stoller M, Freise CE, Kang SM. More than 500 consecutive laparoscopic donor nephrectomies without conversion or repeated surgery. Arch Surg. 2005 Sep; 140(9):835-9; discussion 839-40. View in PubMed
  79. Carter JT, Freise CE, McTaggart RA, Mahanty HD, Kang SM, Chan SH, Feng S, Roberts JP, Posselt AM. Laparoscopic procurement of kidneys with multiple renal arteries is associated with increased ureteral complications in the recipient. Am J Transplant. 2005 Jun; 5(6):1312-8. View in PubMed
  80. Lipshutz GS, Mahanty H, Feng S, Hirose R, Stock PG, Kang SM, Posselt AM, Freise CE. BKV in simultaneous pancreas-kidney transplant recipients: a leading cause of renal graft loss in first 2 years post-transplant. Am J Transplant. 2005 Feb; 5(2):366-73. View in PubMed
  81. Posselt AM, Mahanty H, Kang SM, Stoller ML, Meng MV, Roberts JP, Freise CE. Laparoscopic right donor nephrectomy: a large single-center experience. Transplantation. 2004 Dec 15; 78(11):1665-9. View in PubMed
  82. Freise CE, Kang SM, Feng S, Posselt A, Hirose K, Hirose R, Stock P. Experience with steroid-free maintenance immunosuppression in simultaneous pancreas-kidney transplantation. Transplant Proc. 2004 May; 36(4):1067-8. View in PubMed
  83. Brennan TV, Lipshutz GS, Posselt AM, Horn JK. Congenital cleft spleen with CT scan appearance of high-grade splenic laceration after blunt abdominal trauma. J Emerg Med. 2003 Aug; 25(2):139-42. View in PubMed
  84. Posselt AM, Vincenti F, Bedolli M, Lantz M, Roberts JP, Hirose R. CD69 expression on peripheral CD8 T cells correlates with acute rejection in renal transplant recipients. Transplantation. 2003 Jul 15; 76(1):190-5. View in PubMed
  85. Posselt A, Kerschbaum T. Longevity of 2328 chairside Cerec inlays and onlays. Int J Comput Dent. 2003 Jul; 6(3):231-48. View in PubMed
  86. Wang X, Alfrey EJ, Posselt A, Tafra L, Alak AM, Dafoe DC. Intraportal delivery of immunosuppression to intrahepatic islet allograft recipients. Transpl Int. 1995; 8(4):268-72. View in PubMed
  87. Mayo GL, Posselt AM, Barker CF, Rostami S, Mayo SP, Campos L, Naji A. Prolongation of survival of donor-strain islet xenografts (rat-->mouse) by intrathymic inoculation of xenogeneic islet and bone marrow cells. Transplantation. 1994 Jul 15; 58(1):107-9. View in PubMed
  88. Mayo GL, Posselt AM, Campos L, Noorchashm N, Barker CF, Naji A. Intrathymic transplantation promotes survival of islet xenografts (rat-->mouse). Transplant Proc. 1994 Apr; 26(2):758. View in PubMed
  89. Campos L, Posselt AM, Deli BC, Mayo GL, Pete K, Barker CF, Naji A. The failure of intrathymic transplantation of nonimmunogenic islet allografts to promote induction of donor-specific unresponsiveness. Transplantation. 1994 Mar 27; 57(6):950-3. View in PubMed
  90. Odorico JS, O'Connor T, Campos L, Barker CF, Posselt AM, Naji A. Examination of the mechanisms responsible for tolerance induction after intrathymic inoculation of allogeneic bone marrow. Ann Surg. 1993 Oct; 218(4):525-31; discussion 531-3. View in PubMed
  91. Odorico JS, Posselt AM, Naji A, Markmann JF, Barker CF. Promotion of rat cardiac allograft survival by intrathymic inoculation of donor splenocytes. Transplantation. 1993 May; 55(5):1104-7. View in PubMed
  92. Campos L, Alfrey EJ, Posselt AM, Odorico JS, Barker CF, Naji A. Prolonged survival of rat orthotopic liver allografts after intrathymic inoculation of donor-strain cells. Transplantation. 1993 Apr; 55(4):866-70. View in PubMed
  93. Campos L, Alfrey EJ, Posselt AM, Odorico JS, Naji A, Barker CF. Intrathymic inoculation of donor cells promotes survival of rat orthotopic liver allografts. Transplant Proc. 1993 Feb; 25(1 Pt 1):488-9. View in PubMed
  94. Posselt AM, Barker CF, Friedman AL, Koeberlein B, Tomaszewski JE, Naji A. Intrathymic inoculation of islets at birth prevents autoimmune diabetes and pancreatic insulitis in the BB rat. Transplant Proc. 1993 Feb; 25(1 Pt 1):301-2. View in PubMed
  95. Odorico JS, Barker CF, Markmann JF, Posselt AM, Naji A. Prolonged survival of rat cardiac allografts after intrathymic inoculation of donor thymocytes. Transplant Proc. 1993 Feb; 25(1 Pt 1):295-6. View in PubMed
  96. Barker CF, Posselt AM, Odorico JS, Markmann JF, Naji A. Intrathymic transplantation as a model for tolerance. Adv Nephrol Necker Hosp. 1993; 22:387-400. View in PubMed
  97. Roark JH, Posselt AM, Campos L, Kim J, Chavin KD, Bromberg JS, Barker CF, Naji A. Prolongation of rat pancreatic islet allograft survival by anti-CD2 monoclonal antibody treatment. Transplantation. 1992 Dec; 54(6):1098-9. View in PubMed
  98. Naji A, Posselt AM, Barker CF. Pioneering work in immune tolerance. Science. 1992 Oct 30; 258(5083):727-8. View in PubMed
  99. Posselt AM, Naji A, Barker CF. Microchimerism of the thymus and graft acceptance. Lancet. 1992 Sep 05; 340(8819):617. View in PubMed
  100. Odorico JS, Barker CF, Posselt AM, Naji A. Induction of donor-specific tolerance to rat cardiac allografts by intrathymic inoculation of bone marrow. Surgery. 1992 Aug; 112(2):370-6; discussion 376-7. View in PubMed
  101. Posselt AM, Odorico JS, Barker CF, Naji A. Promotion of pancreatic islet allograft survival by intrathymic transplantation of bone marrow. Diabetes. 1992 Jun; 41(6):771-5. View in PubMed
  102. Posselt AM, Barker CF, Markmann JF, Roark JH, Naji A. Successful islet transplantation in the thymus of spontaneously diabetic BB rats. Transplant Proc. 1992 Jun; 24(3):1023-4. View in PubMed
  103. Posselt AM, Barker CF, Friedman AL, Naji A. Prevention of autoimmune diabetes in the BB rat by intrathymic islet transplantation at birth. Science. 1992 May 29; 256(5061):1321-4. View in PubMed
  104. Wang X, Berezniak R, Tafra L, Posselt A, Barker CF, Dafoe DC. Intraportal FK 506 improves intrahepatic islet allograft survival. Transplant Proc. 1991 Dec; 23(6):3211-2. View in PubMed
  105. Posselt AM, Naji A, Roark JH, Markmann JF, Barker CF. Intrathymic islet transplantation in the spontaneously diabetic BB rat. Ann Surg. 1991 Oct; 214(4):363-71; discussion 371-3. View in PubMed
  106. Markmann JF, Posselt AM, Bassiri H, Brayman KL, Woehrle M, Hickey WF, Silvers WK, Barker CF, Naji A. Major-histocompatibility-complex restricted and nonrestricted autoimmune effector mechanisms in BB rats. Transplantation. 1991 Oct; 52(4):662-7. View in PubMed
  107. Barker CF, Markmann JF, Posselt AM, Naji A. Studies of privileged sites and islet transplantation. Transplant Proc. 1991 Aug; 23(4):2138-42. View in PubMed
  108. Deaton DH, Posselt AM, Naji A, Barker CF. Selective T-cell depletion of recipients in allogeneic small bowel transplantation (SBT) in the rat. Transplant Proc. 1991 Feb; 23(1 Pt 1):283-4. View in PubMed
  109. Posselt AM, Barker CF, Tomaszewski JE, Markmann JF, Choti MA, Naji A. Induction of donor-specific unresponsiveness by intrathymic islet transplantation. Science. 1990 Sep 14; 249(4974):1293-5. View in PubMed
  110. Markmann JF, Posselt AM, Levy M, Naji A, Barker CF. Immunologic consequences of islet MHC antigen modulation in autoimmune diabetes. Transplant Proc. 1990 Apr; 22(2):849-50. View in PubMed
  111. Markmann JF, Tomaszewski J, Posselt AM, Levy MM, Woehrle M, Barker CF, Naji A. The effect of islet cell culture in vitro at 24 degrees C on graft survival and MHC antigen expression. Transplantation. 1990 Feb; 49(2):272-7. View in PubMed
  112. Posselt AM, Kwong LK, Vreman HJ, Stevenson DK. Suppression of carbon monoxide excretion rate by tin protoporphyrin. Am J Dis Child. 1986 Feb; 140(2):147-50. View in PubMed
  113. Posselt AM, Cowan BE, Kwong LK, Vreman HJ, Stevenson DK. Effect of tin protoporphyrin on the excretion rate of carbon monoxide in newborn rats after hematoma formation. J Pediatr Gastroenterol Nutr. 1985 Aug; 4(4):650-4. View in PubMed