A. O. Gaber, MD, FACS, FAST

  • Houston Methodist transplant surgeon
  • Director of the Houston Methodist J.C. Walter Jr. Transplant Center
  • J.C. Walter Jr. Presidential Distinguished Chair at Houston Methodist Hospital
  • Transplant surgery residency program director, Houston Methodist Hospital department of surgery
  • Professor of surgery (transplantation), Weill Cornell Medical College

A. O. Gaber, MD, FACS, FAST

Media Contact: Amy Rose , 412.613.1428

Areas of Expertise

  • Cell isolation protocols
  • Diabetes
  • Islet cells
  • Kidney disorders
  • Transplant immunotherapy
  • Transplant surgery

Credentials

MEDICAL SCHOOL
Ain Shams University-Cairo, Egypt | 1976
BOARD CERTIFICATION
American Board of Surgery
FELLOWSHIP
Transplantation Research

Publications

Sorafenib as Adjuvant Therapy Post-Liver Transplant: A Single-center Experience
Hassanain, H, Connor, AA, Brombosz, EW, Patel, K, Elaileh, A, Basra, T, Kodali, S, Victor, DW, Simon, CJ, Cheah, YL, Hobeika, MJ, Mobley, CM, Saharia, A, Dhingra, S, Schwartz, M, Maqsood, A, Heyne, K, Kaseb, AO, Vauthey, JN, Gaber, AO, Abdelrahim, M & Ghobrial, RM 2025, , Transplantation Direct, vol. 11, no. 2, pp. e1746. https://doi.org/10.1097/TXD.0000000000001746

Anti-HLA serologic response to CD38-targeting desensitization therapy is challenged by peripheral memory B cells in highly sensitized kidney transplant candidates
Torija, A, Matignon, M, Vincenti, F, Casanova-Ferrer, F, Pilon, C, Tambur, AR, Donadeu, L, Crespo, E, Kervella, D, Meneghini, M, Torres, IB, Hafkamp, F, Martinez-Lacalle, A, Carrera, C, Zúñiga, J, Brar, A, Cruzado, J, Gaber, AO, Lee, H, Montgomery, RA, Stegall, M, Carmagnat, M, Usureau, C, Moreso, F, Grimbert, P & Bestard, O 2025, , American Journal of Transplantation, vol. 25, no. 1, pp. 88-101. https://doi.org/10.1016/j.ajt.2024.08.004


Determining Predictors of Actual Living Kidney Donation Based on Potential Donor Characteristics
Meinders, AM, Graviss, EA, Nguyen, DT, Daw, J, Lentine, KL, Peipert, JD, Gaber, AO, Axelrod, DA, Weng, FL & Waterman, AD 2024, , Clinical Transplantation, vol. 38, no. 9, e15439, pp. e15439. https://doi.org/10.1111/ctr.15439

Characterizing Rational Transplant Program Response to Outcome-Based Regulation
Mildebrath, D, Lee, T, Sinha, S, Schaefer, AJ & Gaber, AO 2024, , Operations Research, vol. 72, no. 4, pp. 1421-1437. https://doi.org/10.1287/opre.2018.0721

The Impact of Kidney/Pancreas Transplantation on Peripheral Arterial Disease
Knight, RJ, Ye, Y, Graviss, EA, Nguyen, DT, Garami, Z, Yi, SG, Hobeika, M, Bavare, CS, Sadhu, AR & Gaber, AO 2024, , Clinical Transplantation, vol. 38, no. 7, e15413, pp. e15413. https://doi.org/10.1111/ctr.15413




Single-center Outcomes After Liver Transplantation With SARS-CoV-2–Positive Donors: An Argument for Increased Utilization
Connor, AA, Adelman, MW, Mobley, CM, Moaddab, M, Erhardt, AJ, Hsu, DE, Brombosz, EW, Sanghvi, M, Lee Cheah, Y, Simon, CJ, Hobeika, MJ, Saharia, AS, Victor, DW, Kodali, S, Basra, T, Graviss, EA, Nguyen, DT, Elsaiey, A, Moore, LW, Nigo, M, Drews, AL, Grimes, KA, Arias, CA, Li, XC, Gaber, AO & Ghobrial, RM 2024, , Transplantation Direct, vol. 10, no. 4, pp. E1590. https://doi.org/10.1097/TXD.0000000000001590

Osteocalcin protects islet identity in low-density lipoprotein receptor knockout mice on high-fat diet
Beamish, CA, Lee, YK, Gaber, AO, Chanana, P, Graviss, EA, Kloc, M, Gaber, MW, Hsueh, WA & Sabek, OM 2024, , Journal of Endocrinology, vol. 261, no. 1, e230352. https://doi.org/10.1530/JOE-23-0352

Isatuximab Monotherapy for Desensitization in Highly Sensitized Patients Awaiting Kidney Transplant
Vincenti, F, Bestard, O, Brar, A, Cruzado, JM, Seron, D, Gaber, AO, Ali, N, Tambur, AR, Lee, H, Abbadessa, G, Paul, JA, Dudek, M, Siegel, RJ, Torija, A, Semiond, D, Lépine, L, Ternes, N, Montgomery, RA & Stegall, M 2024, , Journal of the American Society of Nephrology, vol. 35, no. 3, pp. 347-360. https://doi.org/10.1681/ASN.0000000000000287

CD4+ T cell immunity is dependent on an intrinsic stem-like program
Zou, D, Yin, Z, Yi, SG, Wang, G, Guo, Y, Xiao, X, Li, S, Zhang, X, Gonzalez, NM, Minze, LJ, Wang, L, Wong, STC, Osama Gaber, A, Ghobrial, RM, Li, XC & Chen, W 2024, , Nature immunology, vol. 25, no. 1, pp. 66-76. https://doi.org/10.1038/s41590-023-01682-z


Improved Outcomes from Liver Transplantation for Cholangiocarcinoma with MTOR Inhibition
Saharia, A, Connor, AA, Kodali, S, Abdelrahim, M, Mattohti, M, Elaileh, A, Moaddab, M, Sanghvi, M, Hobeika, MJ, Mobley, CM, Cheah, YL, Simon, CJ, Victor, III, DW, Basra, T, Maqsood, A, Heyne, K, Divatia, M, Dhingra, S, Schwartz, M, Moore, LW, Brombosz, EW, Javle, M, Vauthey, JN, Gaber, AO & Ghobrial, RM 2024, , American Journal of Transplantation, vol. 24, no. 1, pp. S97-S97.

Molecular Profiling of Cholangiocarcinoma Peri-Liver Transplantation Informs Precision Approaches
Connor, AA, Mattohti, M, Kodali, S, Abdelrahim, M, Elaileh, A, Sanghvi, M, Saharia, A, Hobeika, MJ, Mobley, CM, Cheah, YL, Simon, CJ, Victor, III, DW, Basra, T, Maqsood, A, Heyne, K, Divatia, M, Dhingra, S, Schwartz, M, Moore, LW, Brombosz, EW, Javle, M, Vauthey, JN, Li, XC, Gaber, AO & Ghobrial, RM 2024, , American Journal of Transplantation, vol. 24, no. 1, pp. S64-S64.

The learning curve for robotic living donor right hepatectomy: Analysis of outcomes in 2 specialized centers
Cheah, YL, Yang, HY, Simon, CJ, Akoad, ME, Connor, AA, Daskalaki, D, Han, DH, Brombosz, EW, Kim, JK, Tellier, MA, Ghobrial, RM, Gaber, AO & Choi, GH 2025, , Liver Transplantation, vol. 31, no. 2, pp. 190-200. https://doi.org/10.1097/LVT.0000000000000480

Isatuximab Monotherapy for Desensitization in Highly Sensitized Patients Awaiting Kidney Transplant
Vincenti, F, Bestard, O, Brar, A, Cruzado, JM, Seron, D, Gaber, AO, Ali, N, Tambur, AR, Lee, H, Abbadessa, G, Paul, J-A, Dudek, M, Siegel, RJ, Torija, A, Semiond, D, Lépine, L, Ternes, N, Montgomery, RA & Stegall, M 2023, , Journal of the American Society of Nephrology. https://doi.org/10.1681/ASN.0000000000000287

Summary of a consensus conference on heart-liver transplantation
Consensus Conference participants 2023, , American Journal of Transplantation, vol. 24, no. 3, pp. 380-390. https://doi.org/10.1016/j.ajt.2023.12.002

Transplant Oncology: An Emerging Discipline of Cancer Treatment
Abdelrahim, M, Esmail, A, Abudayyeh, A, Murakami, N, Victor, D, Kodali, S, Cheah, YL, Simon, CJ, Noureddin, M, Connor, A, Saharia, A, Moore, LW, Heyne, K, Kaseb, AO, Gaber, AO & Ghobrial, RM 2023, , Cancers, vol. 15, no. 22, 5337, pp. 5337. https://doi.org/10.3390/cancers15225337

Languages

  • English
  • Arabic