Articles tagged "Autoimmunity"

2022 American Transplant Congress
Role for Club Cell Secretory Protein in Inducing Exosomes and Activation of Immune Responses in Lung Transplanted Recipients for Cystic Fibrosis
R. Ravichandran¹, V. Kaza², R. Bremner¹, M. Smith¹, T. Mohanakumar¹
¹St. Joseph’s Hospital and Medical Center, Phoenix, AZ, ²University of Texas Southwestern, Dallas, TX
*Purpose: Our lab has demonstrated that lower club cell secretory protein leads to immune responses to donor HLA and lung self-antigens (Collagen V, Kα1 Tubulin),…
2022 American Transplant Congress
Temporal Changes in the Peripheral Immune Profile of Acute Rejection Highlight New Mechanisms of Alloimmunity and Potential Non-Invasive Biomarkers of Rejection in Pediatric Liver Transplantation
D. N. Sarode¹, B. Rocque¹, A. Barbetta¹, P. Singh¹, C. Goldbeck¹, C. Weaver², O. Akbari¹, R. Kohli², J. Emamaullee¹
¹University of Southern California Keck School of Medicine, Los Angeles, CA, ²Children's Hospital Los Angeles, Los Angeles, CA
*Purpose: Acute rejection (AR) is common in pediatric liver transplantation (LT) and can impact late graft loss. Immune subpopulations mediating AR in LT have not…
2022 American Transplant Congress
Galectin-3 Expression in Autoimmune Hepatitis
N. Limon-de la Rosa¹, C. Moreno-Ramírez², E. Cervantes-Alvarez³, D. Yoeli⁴, I. Vasic⁴, M. Kriss⁵, C. A. Huang⁴, N. Navarro-Alvarez¹
¹Gastroenterology, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico City, Mexico, ²Universidad de Guadalajara , Centro Universitario de la Costa., Puerto Vallarta Jalisco, Mexico, ³Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Mexico City, Mexico, ⁴University of Colorado Anschutz Medical Campus, Denver, CO, ⁵University of Colorado Anschutz Medical Campus, Aurora, CO
*Purpose: Autoimmune hepatitis (AIH) is characterized by chronic inflammation in which healthy liver cells are targeted by one’s immune system. The persistent inflammatory milieu can…
2021 American Transplant Congress
Donor Mhc-independent Islet Rejection in Autoimmune Diabetes: Implications for Stem Cell Therapy
R. G. Gill¹, M. Coulombe², K. S. Beard¹, A. L. Burrack³
¹University of Colorado, Aurora, CO, ²Surgery, University of Colorado, Aurora, CO, ³Mircrobiology and Immunology, University of Minnesota, Minneapolis, MN
*Purpose: Stem cell technology is an attractive approach for generating insulin-producing cells for transplantation in insulin-dependent diabetes and potentially can be genetically modified. One recent…
2021 American Transplant Congress
A Phase 1 Study to Evaluate the Safety, Tolerability and Pharmacokinetics of At-1501
S. Perrin¹, A. Gill², C. Gill², P. Gustafson¹
¹Novus Therapeutics, Irvine, CA, ²ALS Therapy Development Institute, Cambridge, MA
*Purpose: Execute a phase 1 study of AT-1501 to assess safety, pharmacokinetics, and functional activity.*Methods: The study employed a placebo-controlled, sequential, dose-escalation design. 28 healthy…
2021 American Transplant Congress
Autoantibodies Against Ro/SS-A, CENP-B, and La/SS-B are Increased in Patients with Kidney Allograft Antibody-mediated Rejection
S. Clotet-Freixas¹, M. Kotlyar², C. M. McEvoy¹, C. Pastrello², S. Rodríguez-Ramírez¹, S. Farkona¹, H. Cardinal³, M. Dieudé³, M. Hébert³, Y. Li¹, O. Famure¹, P. Chen¹, S. Kim¹, E. Chan⁴, I. Jurisica², R. John¹, A. Chruscinski¹, A. Konvalinka¹
¹Toronto General Hospital Research Institute, University Health Network, Toronto, ON, Canada, ²Krembil Research Institute, University Health Network, Toronto, ON, Canada, ³Centre de Recherche du Centre Hospitalier de l’Université de Montréal, Montreal, QC, Canada, ⁴Department of Medicine, Division of Nephrology, University Health Network, Toronto, ON, Canada
*Purpose: Antibody-mediated rejection (AMR) causes >50% of late kidney graft losses. Although donor-specific antibodies (DSA) against HLA cause AMR, antibodies against non-HLA antigens are also…
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
Recurrence and Outcome of Anti-GBM Glomerulonephritis After Kidney Transplantation: A Belgian Multicenter Study
S. Coche
Nephrology, Cliniques Universitaires Saint-Luc, Brussels, Belgium
*Purpose: Recurrence of anti-glomerular basement membrane (anti-GBM) glomerulonephritis (GN) in the kidney graft is a rare event, described in limited case reports and registry analysis.…
2020 American Transplant Congress
CD137 Signaling in Regulatory Dendritic Cells Is Required for Suppressing a Systemic Inflammation in the bm12-Inducible Model of Systemic Lupus Erythematosus
H. Cho¹, J. Lee², B. Kwon³, S. Park¹, H. Park¹, K. Yoo², K. Park², J. Kim³
¹Surgery, Ulsan University Hospital, Ulsan, Korea, Republic of, ²Nephrology, Ulsan University Hospital, Ulsan, Korea, Republic of, ³Biomedical Research Center, Ulsan University Hospital, Ulsan, Korea, Republic of
*Purpose: Although CD137 is well known as a costimulatory receptor in T cells, limited information is available for its immunoregulatory function. Here, we report that…
2020 American Transplant Congress
Angiotensin II Type 1 Receptor Antibodies are Associated with Younger Age and Renal Dysfunction in Pediatric Kidney Transplantation
M. Pearl¹, E. T. Chambers², A. Kirk², R. Garro³, B. L. Warshaw³, P. Grimm⁴, R. Ettenger¹, E. Reed¹
¹UCLA, Los Angeles, CA, ²Duke, Durham, NC, ³Emory, Atlanta, GA, ⁴Stanford, Stanford, CA
*Purpose: The significance of non-HLA antibodies in renal transplantation remains unclear. In small single center retrospective studies, angiotensin II type 1 receptor antibody (AT1R-Ab) has…