Articles tagged "Rejection"

2019 American Transplant Congress
Inhibition of mTORC2 Causes Hyper Phosphorylation of ERK Induced by Co-Ligation of HLA-I and II Antibody
Y. Jin¹, J. Sinnet-Smith², E. Rozengurt², E. F. Reed¹
¹Pathology and Laboratory Medicine, University of California Los Angeles, Los Angeles, CA, ²Medicine, University of California Los Angeles, Los Angeles, CA
*Purpose: Transplant recipients developing donor specific antibodies (DSA) are at risk for antibody-mediated rejection (AMR). It has been reported that as many as 30% of…
2019 American Transplant Congress
Tocilizumab for Refractory Antibody-Mediated Rejection in Pediatric Kidney Transplantation
A. Dokras, C. Butler, Q. Zhang, E. Reed, R. Ettenger, P. Weng, M. Pearl
University of California, Los Angeles, Los Angeles, CA
*Purpose: IL-6 blockade may play a role in reducing human leukocyte antigen donor specific antibodies (HLA DSA) production and stabilizing allograft function. We aimed to…
2019 American Transplant Congress
Extracellular Vesicles (EV) Mediate Antibody-Independent Tubular Senescence via Cyclin-Dependent Kinase Inhibitors p21/p16 in Antibody-Mediated Rejection (AMR)
C. Divella¹, A. Stasi¹, R. Franzin¹, F. Sallustio², C. Curci¹, G. Merlotti³, M. Quaglia³, L. Gesualdo¹, V. Cantaluppi¹, G. Castellano¹
¹Emergency and Organ Transplantation, University of Bari, Bari, Italy, ²Emergency and Organ Transplantation / Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari, Bari, Italy, ³Department of Translational Medicine, University of Piemonte Orientale, Novara, Italy
*Purpose: Recent data suggest a strong correlation between kidney injury and the occurrence of accelerated senescence process, known as “Inflammaging”. However, the role of TEC…
2019 American Transplant Congress
Molecular Microscope Proves i-IFTA Lack of Specificity
A. Perkowska-Ptasinska¹, M. Ciszek², D. Deborska-Materkowska¹, A. Debska-Slizien³, P. F. Halloran⁴, M. Myslak⁵
¹Warsaw Medical Univeristy, Warsaw, Poland, ²Department of Immunology, Transplantology and Internal Diseases, Warsaw Medical Univeristy, Warsaw, Poland, ³Gdansk Medical University, Gdansk, Poland, ⁴ATAGC, University of Alberta, Edmonton AB, AB, Canada, ⁵Pomeranian Medical University, Szczecin, Poland
*Purpose: According to 2017 Banff classification, inflammatory infiltrate in the fibrotic renal tissue with at least moderate total inflammations score (ti≥2), and tubulitis (t≥2) should…
2019 American Transplant Congress
Iguratimod Attenuates the Production of Donor Specific Antibody by Inducing CD19⁺Tim-1⁺ Regulatory B Cells and Imbalance of Th17 Treg
Z. Wang, S. Fei, H. Chen, Z. Han, L. Sun, J. Tao, X. Ju, M. Zheng, R. Tan, M. Gu
No.300 Guangzhou Road of Nanjing, Nanjing, China
*Purpose: This study was designed to investigate the effect and mechanisms of Iguratimod on circulating DSA and allograft survival in a skin transplant model.*Methods: Mice…
2019 American Transplant Congress
Liquid Biopsy for Chronic Rejection after Kidney Transplantation. A Novel Non-Invasive Biomarker Involved in Inflammatory Amplifier
Y. Takada¹, D. Kamimura², H. Higuchi¹, D. Iwami¹, K. Hotta¹, N. Iwahara¹, N. Shinohara¹, M. Murakami²
¹Renal and Genitourinary Surgery, Hokkaido University Hospital, Sapporo, Japan, ²Molecular Psychoimmunology, Institute for Genetic Medicine, Graduate School of Medicine, Hokkaido University, Sapporo, Japan
*Purpose: In kidney transplantation (KTx), despite recent advances of medical technology, chronic rejection accounts for 25% of the graft loss. Chronic active antibody-mediated rejection (CAAMR)…
2019 American Transplant Congress
Effect of Human Leukocytic Antigen Matching on Clinical Outcomes after Deceased Donor Renal Allograft Transplant: A Single Centre Experience
M. E. Gramlick¹, M. K. Heer², S. Yausis², P. R. Trevillian²
¹Department of Surgery, John Hunter Hospital, Newcastle, Australia, ²Newcastle Transplant Unit, John Hunter Hospital, Newcastle, Australia
*Purpose: Human leucocyte antigen (HLA) matching has been the cornerstone of kidney allocation policies. With increasing expertise in assessing and managing immunological risks, the impact…
2019 American Transplant Congress
Fractalkine is Crucial in Ischemia Reperfusion Injury Related to Acute Rejection in an Allogeneic Heart Transplantation Model
T. Kanzawa¹, D. Tokita¹, T. Yamakawa¹, H. Ishigooka¹, H. Fukuda¹, H. Katsumata¹, S. Miyairi¹, R. Ishii¹, T. Hirai¹, K. Saiga¹, M. Okumi¹, T. Imai², K. Tanabe¹
¹Urology, Tokyo Women's Medical University, Tokyo, Japan, ²KAN Research Institute, Kobe, Japan
*Purpose: Ischemia reperfusion injury (IRI) facilitates allograft rejection in renal transplantation recipients (IRI-related rejection). Controlling IRI improves graft survival. Fractalkine (FKN) is an inflammatory chemokine.…
2019 American Transplant Congress
Infectious Risk of Rejection Therapy Following Heart Transplantation; Can It Be Avoided?
M. Kittleson, J. Patel, S. Dimbil, R. J. Levine, G. Esmailian, A. Shen, T. Hage, J. A. Kobashigawa
Cedars-Sinai Smidt Heart Institute, Los Angeles, CA
*Purpose: The diagnosis of rejection after heart transplantation (HTx) is usually based on the surveillance endomyocardial biopsies (EMB). These protocol biopsies are performed at scheduled…
2019 American Transplant Congress
The Potential Role of IL-33/ST2 Pathway in Renal Allograft Rejection
M. Yu¹, Y. Kim², J. Moon², S. Lee², H. Lee², D. Kim², C. Lee³, Y. Kim², S. Yang²
¹Hanyang University Guri Hospital, Guri, Korea, Republic of, ²Seoul National University Hospital, Seoul, Korea, Republic of, ³Cheju Halla General Hospital, Jeju, Korea, Republic of
*Purpose: Interleukin (IL)-33 is one of IL-1 family cytokine that has pleiotropic effects, such as inflammation promotion and immune response regulation. Recent studies showed that…