Articles tagged "Tolerance"

2021 American Transplant Congress
Characterisation of Distinct Graft Infiltrates Following Cellular Therapy in Kidney Transplant Recipients
M. O. Brook¹, P. N. Harden², I. Roberts², W. R. Mulley³, J. Hester¹, M. E. Reinders⁴, F. Issa¹
¹Nuffield Department of Surgical Sciences, University of Oxford, Oxford, United Kingdom, ²Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom, ³Department of Nephrology, Monash Medical Centre, Melbourne, Australia, ⁴Division of Nephrology and Transplant Center, Leiden University Medical Center, Leiden, Netherlands
*Purpose: Cellular therapy is an emerging treatment in the field of clinical transplantation with the potential to improve both short and long-term transplant outcomes. We…
2021 American Transplant Congress
In Vitro Generated Regulatory B Cells Induce Cd4⁺Cd25⁺Foxp3⁺Tregs from Cd4⁺Cd25^–T Cells via TGF-β
G. Huai¹, K. Lee², K. Deng², Q. Fu¹, C. G. Rickert², S. Deng¹, C. LeGuern², J. F. Markmann²
¹Department of Organ Transplantation Center, Sichuan Provincial People's Hospital, University of Electronic Science and Technology of China, Chengdu, China, ²Center for Transplantation Sciences, Massachusetts General Hospital, Harvard Medical School, Boston, MA
*Purpose: Our team previous study showed that TLR-Bregs, stimulated through TLR pathway in vitro, harbored regulatory properties by suppressing CD4+ T cell proliferation and function…
2021 American Transplant Congress
Long-Term Follow-Up of a Phase 2 Clinical Trial to Induce Tolerance in Living Donor Renal Transplant Recipients
J. Leventhal¹, J. Galvin², J. Mathew¹, L. Gallon¹, D. Belshe¹, M. Gibson¹, K. Ravindra³, M. Horwitz³, S. Ildstad⁴
¹Northwestern University, Comprehensive Transplant Center, Chicago, IL, ²Northwestern University, Chicago, IL, ³Duke Medical Center, Durham, NC, ⁴University of Louisville, Llouisville, KY
*Purpose: 37 subjects were transplanted in a phase 2 protocol based upon tolerogenic CD8+/TCR-facilitating cells (FCR001) to induce tolerance in recipients of living donor renal…
2021 American Transplant Congress
Peripheral Blood Hematopoietic Chimerism: A Robust Biomarker for Transplantation Tolerance
D. Tollerud¹, E. Gornstein¹, J. Leventhal², K. V. Ravindra³, S. Ildstad¹
¹Talaris Therapeutics, Louisville, KY, ²Division of Organ Transplantation, Northwestern Medical Group, Chicago, IL, ³Department of Surgery, Duke University Medical Center, Durham, NC
*Purpose: Despite the development of highly effective immunosuppressive medications, organ rejection and the toxicity of the drugs themselves remain significant obstacles to long-term graft and…
2021 American Transplant Congress
Transgenic Beta-cell Cxcl12 Expression and Stem Cell Mobilization Synergize to Suppress Type 1 Diabetes
D. A. Alagpulinsa, A. Jajoo, M. H. Chapin II, M. C. Poznansky
Vaccine & Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA
*Purpose: Hematopoietic stem and progenitor cells (HSPCs) and regulatory T cells (Tregs) highly express CXCR4, the receptor for the CXCL12 chemokine. This keeps them predominantly…
2021 American Transplant Congress
Immunologic Benefits of Maternal Living Donor Allografts in Pediatric Liver Transplantation: Less Rejection Episodes and No Evidence of De Novo Allosensitization
A. Barbetta¹, G. Meeberg², B. Rocque¹, S. Barhouma³, S. Gilmour⁴, F. Faytrouni⁵, O. Guttman⁵, P. Campbell⁴, J. Shapiro², J. Emamaullee¹
¹Surgery, Abdominal Transplant, University of Southern California, Los Angeles, CA, ²Surgery, University of Alberta, Edmonton, AB, Canada, ³University of Southern California, Los Angeles, CA, ⁴University of Alberta, Edmonton, AB, Canada, ⁵University of British Columbia, Vancouver, BC, Canada
*Purpose: Living donor liver transplantation (LDLT) offers improved graft and patient survival in pediatric liver transplant (LT) recipients. Prior studies have suggested immunological advantage when…
2021 American Transplant Congress
Quilty Lesions are Associated with a Tolerance Profile in Heart Allografts Biopsies
J. Torrealba, S. Moore, S. Sathirareuangchai, L. De Las Casas, Q. Cai
Pathology, UTSW Medical Ctr, Dallas, TX
*Purpose: Previously, in 42 cardiac allograft biopsies, we demonstrated that the presence of Foxp3+ innate and TGF- β + adaptive regulatory lymphocytes in Quilty lesions…
2021 American Transplant Congress
Enhancement of Regulatory T Cell Therapies by Biomimetic Nanofiber Matrices on Single Cells
L. A. Fraser¹, S. Lee¹, Y. Sambandam², J. He², X. Huang², D. Z. Ivancic², J. Mathew², Z. J. Zhang², J. R. Leventhal², L. Gallon², S. I. Stupp¹
¹Simpson Querrey Institute, Northwestern, Chicago, IL, ²Surgery – Comprehensive Transplant Center, Northwestern, Chicago, IL
*Purpose: Here we report a new method to create an artificial and biodegradable matrix of biomimetic nanofibers on single cells with the goal of enhancing…
2021 American Transplant Congress
MDR-101-MLK-MERCURY Kidney Transplant Tolerance Study Update
D. Kaufman¹, S. Akkina², M. Stegall³, J. Piper⁴, A. O. Gaber⁵, E. Marin⁶, S. Busque⁷, D. Alonso⁸, M. De Vera⁹, A. Shah¹⁰, A. Patel¹¹, K. Chavin¹², M. Laftavi¹³, S. Collette¹⁴, E. Stites¹⁵, M. Mai¹⁶, M. Cooper¹⁷, D. Brennan¹⁸
¹Surgery, UW, Madison, WI, ²Surgery, Loyola, Chicago, IL, ³Surgery, Mayo, Rochester, MN, ⁴Surgery, Inova, Fairfax, VA, ⁵Surgery, Houston Methodist, Houston, TX, ⁶Nephrology, Yale, New Haven, CT, ⁷Surgery, Stanford, San Francisco, CA, ⁸Surgery, Intermountain, Murray, UT, ⁹Surgery, Loma Linda, Loma Linda, CA, ¹⁰Surgery, TJU, Philadelphia, PA, ¹¹Nephrology, St. Barnabas, Livingston, NJ, ¹²Surgery, UHH, Cincinnati, OH, ¹³Surgery, Upstate, Syracuse, NY, ¹⁴Surgery, CIUSSS, Montreal, ON, Canada, ¹⁵Nephrology, UC Denver, Denver, CO, ¹⁶Nephrology, Mayo - FL, Jacksonville, FL, ¹⁷Surgery, Georgetown, Washington, DC, ¹⁸Medeor, San Francisco, CA
*Purpose: We report interim results of the Phase 3 MERCURY tolerance study, which produces mixed chimerism and ultimately generates operational tolerance allowing for the elimination…
2021 American Transplant Congress
Effects of IL-18 on Key Post-Translational Modifications of Human Foxp3 and Innate Immunity
T. Akimova¹, L. M. Christensen¹, Z. Wang², M. H. Levine², W. W. Hancock¹
¹CHOP & University of Pennsylvania, Philadelphia, PA, ²University of Pennsylvania, Philadelphia, PA
*Purpose: Most of our ideas about Treg cells are extrapolated from findings in mice, with actual clinical data typically involving flow cytometric enumeration of CD4+FOXP3+…

« Previous Page
1
…
5
6
7
8
9
…
57
Next Page »