Articles tagged "Mice, knockout"

2019 American Transplant Congress
B Cell-Specific IRE1a Deficiency Protects Renal Allografts from Rejection via Inhibition of Donor-Specific Antibodies and Induction of B Regulatory Cells
L. Qiu¹, J. Wang¹, X. Yeap¹, D. Fang², Z. J. Zhang¹
¹Comprehensive Transplant Center, Department of Surgery, Northwestern University, Chicago, IL, ²Department of Pathology, Northwestern University, Chicago, IL
*Purpose: Despite the progress in immunosuppressive regimens, antibody-mediated rejection remains a major contributor to renal allograft loss in recipients with donor-specific antibodies (DSA). IRE1a, an…
2019 American Transplant Congress
Lymphotoxin Beta Receptor in Lymphatic Endothelial Cells Regulates Treg Migration and Allograft Protection
V. Saxena, W. Piao, L. Li, C. M. Paluskievicz, Y. Xiong, T. Simon, J. S. Bromberg
U Maryland, Baltimore, MD
*Purpose: Lymphotoxin beta receptor (LTβR) mediated signaling in lymphatic endothelium cells (LEC) is important for migration of regulatory T cells (Treg) to afferent lymphatic vessels…
2019 American Transplant Congress
Laminin α5 Deficiency in Lymph Node Stromal Cells Promotes Treg Migration and Allograft Survival
L. Li, M. Shirkey, W. Piao, Y. Xiong, V. Saxena, T. Zhang, T. Simon, N. Toney, C. Paluskievicz, J. S. Bromberg
Surgery, U. Maryland, Baltimore, Baltimore, MD
*Purpose: Laminins are a family of heterotrimeric glycoproteins, and lymph node (LN) stromal laminins α4 and α5 modulate suppression and immunity, respectively. We created laminin…
2019 American Transplant Congress
Donor Renal Macrophages in Post-Transplant Ischemia/Reperfusion Injury (IRI): Role of IL-1R8 in Modulating Fate, Phenotype and Function
S. Aiello, P. Rodriguez, N. Azzollini, F. Casiraghi, M. Noris, G. Remuzzi, A. Benigni
Mario Negri Institute, Ranica, Italy
*Purpose: Post-transplant (tx) IRI activates TLR/IL-1R on tissue resident leukocytes initiating innate immune response. We studied how donor renal resident macrophages (rMF) respond to post-tx…
2019 American Transplant Congress
Graft TIM4 Deficiency Protects Liver from Ischemia Reperfusion Injury: From Mouse to Human
S. Kageyama¹, K. Kadono¹, H. Hirao¹, K. Nakamura¹, T. Ito², K. J. Dery¹, D. Oncel¹, B. Ke¹, F. M. Kaldas², R. W. Busuttil², J. W. Kupiec-Weglinski¹
¹Surgery, Dumont-UCLA Transplant Center, Los Angeles, CA, ²Surgery, Ronald Reagan UCLA Medical Center, Los Angeles, CA
*Purpose: Liver ischemia-reperfusion injury (IRI) is a major risk factor for early graft dysfunction and rejection in orthotopic liver transplantation (OLT). We and others have…
2019 American Transplant Congress
Withaferin A as a Possible Therapy for Chronic Allograft Nephropathy
T. Divanyan¹, D. Patel¹, E. Acosta¹, D. Howard², F. Jourd'heuil², D. Jourd'heuil², R. Lopez-Soler³
¹Albany Medical College, Albany, NY, ²Molecular and Cellular Physiology, Albany Medical College, Albany, NY, ³Surgery, Section of Transplantation, Albany Medical College, Albany, NY
*Purpose: One of the possible steps in the development of post-transplant interstitial fibrosis is epithelial to mesenchymal transition (EMT) of proximal renal tubular cells with…
2019 American Transplant Congress
CCR5-Mediated Recruitment of NK Cells to the Kidney is a Critical Step for Host Defense to Candida albicans Infection
H. R. Cho¹, V. G. Tran², N. N. Nguyen³, S. Lee⁴, S. W. Kang⁴, J. Kim⁴, H. J. Kim⁴, S. J. Park¹, J. S. Lee⁵, B. Kwon⁶
¹Department of Surgery, Ulsan University Hospital, Ulsan, Korea, Republic of, ²School of Biological Sciences, University of Ulsan, Ulsan, Republic of Korea, Ulsan, Korea, Republic of, ³1School of Biological Sciences, University of Ulsan, Ulsan, Republic of Korea, Ulsan, Korea, Republic of, ⁴Biomedical Research Center, Ulsan University Hospital, Ulsan, Korea, Republic of, ⁵Division of Nephrology, Department of Internal Medicine, Ulsan University Hospital, Ulsan, Korea, Republic of, ⁶Biomedical Research Center, Ulsan University Hospital, School of Medicine, University of Ulsan, Ulsan, Korea, Republic of
*Purpose: Candida albicans infection causes a high rate of mortality in immunocompromised or transplant patients. In this study, we investigated the role of CCR5 that…
2019 American Transplant Congress
Deficiency of IRE1a Ameliorates Renal Allograft Injury via Remodeling of Graft-Infiltrating Macrophages
L. Qiu¹, J. Wang¹, X. Yeap¹, S. Han¹, F. Zheng¹, D. Fang², Z. J. Zhang¹
¹Comprehensive Transplant Center, Department of Surgery, Northwestern University, Chicago, IL, ²Department of Pathology, Northwestern University, Chicago, IL
*Purpose: Inflammatory macrophages contribute to the development of ischemia-reperfusion injury (IRI) and allograft rejection. However, the underlying mechanisms by which macrophage mediate allograft injury and…
2019 American Transplant Congress
Lymphotoxin Beta Receptor Determines Lymph Node Structure for Treg Migration and Suppression of Graft Rejection
V. Saxena, W. Piao, L. Li, C. M. Paluskievicz, Y. Xiong, T. Simon, J. S. Bromberg
U Maryland, Baltimore, MD
*Purpose: Lymphotoxin beta receptor (LTβR) mediated signaling in lymphatic endothelium cells (LEC) is important for migration of regulatory T cells (Treg) to afferent lymphatic vessels…
2019 American Transplant Congress
Treg Lymphotoxin and Lymphatic Endothelial Cell Lymphotoxin Receptor Interactions Are Required for Treg Stability and Allograft Protection
V. Saxena, W. Piao, L. Li, C. M. Palusckievicz, Y. Xiong, T. Simon, J. S. Bromberg
U Maryland, Baltimore, MD
*Purpose: Regulatory T cells (Treg) restrain allograft rejection through suppressor functions that are dependent upon expression of the transcription factor Foxp3, their proper migration, and…