Articles tagged "Bioengineering"

2021 American Transplant Congress
Development of a Lateral Flow Assay Detecting CXCL9 within Antibody Mediated and Acute T Cell Mediated Rejections After Kidney Transplantation
L. K. Seiler¹, R. Jonczyk¹, P. Lindner¹, L. Phung¹, C. Falk², C. Blume¹
¹Faculty of Natural Sciences, Institute of Technical Chemistry, Hannover, Germany, ²Institute of Transplant Immunology, Medical School Hannover, Hannover, Germany
*Purpose: Despite tremendous improvements in quality and tolerability of immunosuppressive medications after successful kidney transplantation, numerous kidney grafts undergo acute and chronic rejections with following…
2020 American Transplant Congress
Multimodal Theranostic Nanocolloid Platform for Imaging, Targeted Drug Delivery and Organ Preservation in Transplantation
J. M. Janjic¹, E. Lambert¹, L. Liu¹, M. Herneisey¹, V. S. Gorantla²
¹School of Pharmacy, Chronic Pain Research Consortium, Duquesne University, Pittsburgh, PA, ²Wake Forest Institute for Regenerative Medicine, Winston- Salem, NC
*Purpose: The goal of this project design and development of multifunctional nanomedicines to address unique and complex therapeutic outcomes in transplantation and organ preservation. Presented…
2020 American Transplant Congress
Development and Cell Surface Testing of a Novel Nanofiber Technology for Targeted Delivery of Therapeutic Regulatory T Cells
J. M. Mathew¹, S. Lee², Y. Sambandam¹, L. A. Fraser², T. D. Clemons², A. Kolberg², J. He¹, L. C. Palmer², M. T. McClendon², Z. J. Zhang¹, J. R. Leventhal¹, S. I. Stupp², L. Gallon¹
¹Surgery -Transplant, Northwestern University, Chicago, IL, ²Simpson Querrey Institute, Northwestern University, Chicago, IL
*Purpose: Regulatory CD4+CD25+FOXP3+ T cells (Tregs) have been shown to induce tolerance in transplantation models, and to be increased in their numbers in tolerant human…
2020 American Transplant Congress
Building Kidneys from Stem Cells for Transplantation
I. M. Rogers¹, J. Whiteley², T. Chow², T. Bongolan², L. Mazilescu³, P. Urbanellis³, S. Ganesh³, M. Selzner³
¹Physiology, University of Toronto, Toronto, ON, Canada, ²LTRI-Sinai Health System, Toronto, ON, Canada, ³MOTU, University Health Network, Toronto, ON, Canada
*Purpose: Our vision is to build a human kidney by combining human stem cells with porcine kidney extracellular matrix.*Methods: Kidneys were decellularized followed by repopulation…
2020 American Transplant Congress
Prolonged Functional Human 3D Liver Organoids as an In Vitro Liver Disease Model
W. Zhang¹, A. Isidan¹, A. M. Chen¹, L. J. Smith², H. L. Francis³, G. Alpini³, E. Gramelspacher¹, P. Li¹, B. Ekser¹
¹Division of Transplant Surgery - Indiana University, Indianapolis, IN, ²3D Bioprinting Core and Department of Radiology and Imaging Sciences - Indiana University, Indianapolis, IN, ³Division of Gastroenterology, Richard L. Roudebush VA Medical Center and Indiana University, Indianapolis, IN
*Purpose: Animal models used for evaluating the mechanisms of liver disease do not fully mimic the complex architecture and metabolic functions of the human liver.…
2020 American Transplant Congress
Formation Of Artificial Blood Vessels Using ECM In 3D Bioprinting
P. Cywoniuk, T. Bryniarski, T. Dobrzanski, K. Kosowska, M. Klak, G. Tymicki, P. Kowalska, M. Gomolka, P. Turowski, I. Zamora, A. Berman, M. Wszola
Foundation of Research and Science Development, Warsaw, Poland
*Purpose: Development of fully functional blood vessels in expanding field of artificial tissues and organs for transplantations in regenerative medicine is fundamental to provide proper…
2020 American Transplant Congress
Characterization of a Clinically Scaled Bioengineered Liver Seeded with Primary Hepatocytes and Endothelial Cells
D. S. Davidow¹, J. J. Ross¹, B. D. Anderson¹, A. Stumbras¹, A. A. Katane¹, R. Lindeman¹, B. G. Steiner¹, A. Mendenhall¹, K. Gahlbeck¹, S. Armstrong¹, B. P. Amiot², E. D. Nelson², T. Gilbert¹, S. L. Nyberg²
¹Miromatrix, Eden Prairie, MN, ²Mayo Clinic, Rochester, MN
*Purpose: Advancements in whole organ bioengineering have the potential to offer solutions to a chronically insufficient donor organ supply. We recently demonstrated an ability to…
2020 American Transplant Congress
Production of Detergent-Free ECM-Derived Bioinks for Bioprinting of Bionic Pancreas Ready for Clinical Use
M. Wszola¹, M. Klak¹, G. Tymicki¹, A. Berman¹, K. Kosowska¹, T. Bryniarski¹, P. Cywoniuk¹, M. Gomolka¹, P. Kowalska¹, P. Turowski¹, A. Kaminski²
¹Foundation for Research and Science Development, Warsaw, Poland, ²Medical University of Warsaw, Warsaw, Poland
*Purpose: Bioprinting is the process of creating 3D tissue analogues. For this purpose, it is necessary to produce a special bioink that will be able…
2020 American Transplant Congress
Biointegration and Function of 3D Printed Bionic Pancreatic Petals on a Mouse Model
M. Wszola¹, M. Klak¹, G. Tymicki¹, A. Berman¹, K. Kosowska¹, T. Bryniarski¹, P. Cywoniuk¹, M. Gomolka¹, P. Kowalska¹, P. Turowski¹, A. Kaminski²
¹Foundation for Research and Science Development, Warsaw, Poland, ²Medical University of Warsaw, Warsaw, Poland
*Purpose: Despite the technologically advanced integrated systems of continuous glycemic control and insulin supply, it is still impossible to obtain results of diabetes treatment in…
2020 American Transplant Congress
Recruitment of Regulatory T Cells Promotes Donor-Specific Tolerance in Vascularized Composite Allotransplantation
J. D. Fisher¹, W. Zhang², S. C. Balmert³, A. M. Aral¹, Y. Kulahci⁴, A. P. Acharya⁴, J. Li², H. R. Turnquist⁵, A. W. Thomson⁵, M. G. Solari², V. S. Gorantla⁶, S. R. Little⁴
¹Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, ²Department of Plastic Surgery, University of Pittsburgh, Pittsburgh, PA, ³Department of Dermatology, University of Pittsburgh, Pittsburgh, PA, ⁴Department of Chemical Engineering, University of Pittsburgh, Pittsburgh, PA, ⁵Thomas E. Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA, ⁶Department of Bioengineering, Wake Forest University, Winston-Salem, NC
*Purpose: Vascularized composite allotransplantation (VCA) encompasses face and limb transplantation, but as with organ transplantation, it requires lifelong regimens of immunosuppressive drugs to prevent rejection.*Methods:…