Articles tagged "Fibrosis"

2018 American Transplant Congress
Inflammation in Fibrotic Areas (i-IF/TA) Identifies a T Cell-Mediated Rejection Component of IF/TA with Poor Kidney Allograft Outcome
D. Viglietti, O. Aubert, J-.P. Duong Van Huyen, A. Loupy, C. Lefaucheur.
Paris Translational Research Center for Organ Transplantation, Paris, France.
Addressing the etiological heterogeneity of interstitial fibrosis in kidney allografts represents an important challenge to improve long-term transplant outcomes. We investigated the determinants, clinical and…
2018 American Transplant Congress
Donor Acute Kidney Injury Does Not Affect Fibrosis on 1 Year Post-Transplant Kidney Biopsy
D. van der Windt, X. Chen, K. Lemon, C. Wu, N. Shah, R. Mehta, C. Puttarajappa, P. Sood, S. Hariharan, A. Ganoza, M. Wijkstrom, A. Humar, A. Tevar.
Thomas E. Starzl Transplantation Institute, University of Pittsburgh Medical Center, Pittsburgh, PA.
PurposeThe use of kidneys from deceased donors with acute kidney injury (AKI) at the time of donation is a potential method by which to expand…
2018 American Transplant Congress
RNA-Seq Based Analysis of Renal Allograft Biopsies Reveals Key Mediators of Interstitial Fibrosis/Tubular Atrophy
C. McEvoy,^1,2,4 E. Brennan,^1,2 A. Dorman,^2,3 D. Sadlier,^1,2 A. Konvalinka,⁴ P. Conlon,^2,3 C. Godson.^1,2
¹Diabetes Complications Research Centre, Conway Institute, School of Medicine, University College Dublin, Dublin, Ireland; ²North Dublin Renal Biobank, Dublin, Ireland; ³Beaumont Hospital & RCSI, Dublin, Ireland; ⁴University Health Network, Toronto, Canada.
Interstitial Fibrosis/Tubular Atrophy(IFTA) is the final common pathway of most progressive renal diseases and is a potent predictors of renal outcome in both native and…
2018 American Transplant Congress
Upregulated IL-33 in Heart Transplants Modulates Local Myeloid Populations to Protect against Chronic Allograft Rejection
Z. Zhang,¹ Q. Liu,¹ G. Hussey,² J. Dziki,² L. Mathews,¹ H. Dai,¹ G. Dwyer,^1,3 A. Lucas,¹ M. Oberbarnscheidt,¹ S. Badylak,² H. Turnquist.^1,3
¹University of Pittsburgh, Starzl Transplant Institute, Pittsburgh, PA; ²University of Pittsburgh, McGowan Institute for Regenerative Medicine, Pittsburgh, PA; ³Immunology, University of Pittsburgh, Pittsburgh, PA.
Purpose: Interleukin-33 (IL-33) is an “alarmin”, or a self-derived molecule that triggers pleotropic immune responses after release from damaged tissue. Yet, how IL-33 shapes alloresponses…
2018 American Transplant Congress
CD40 Signaling in Proximal Tubules Regulates Fibrosis in Both Hypertension and Chronic Allograft Rejection
V. Bletsos, J. Breidenbach, S. Haller, S. Stepkowski.
University of Toledo College of Medicine and Life Sciences, Toledo, OH.
Background: We explored the role of CD40 signaling in kidney proximal tubule epithelial cells on renal interstitial fibrosis (IF) in two models: hypertension; and chronic…
2017 American Transplant Congress
Transcriptomic Analysis Revealed a Fibrotic Role of Epithelial Cells Originated from the Recipient in Kidney Transplant.
W. Zhang,¹ Z. Yi,¹ E. Stahl,² M. Menon,¹ K. Keung,³ K. Hao,² P. O'Connell,³ B. Murphy.¹
¹Medicine, Icahn School of Medicine at Mount Sinai, New York, NY; ²Department of Genetics and Genomic Science, Ichan School of Medicine at Mount Sinai, New York, NY; ³Renal Unit, University of Sydney at Westmead Hospital, Sydney, Australia
Renal fibrosis is one of major causes for chronic renal dysfunction in kidney diseases and graft loss in kidney transplant. With an aim to better…
2017 American Transplant Congress
RAS Inhibition Attenuates Urine Angiotensin II-Regulated Proteins Associated with Interstitial Fibrosis and Tubular Atrophy in Kidney Transplant Recipients.
Z. Mohammed-Ali,¹ S. Reid,³ P. Yip,¹ H. Cardinal,² M.-J. Hébert,² Y. Li,⁴ S. Kim,^1,3,4 A. Konvalinka.^1,3
¹University Health Network, Toronto, ON, Canada; ²Centre de Recherche du Centre Hospitalier de l'Université de Montréal - CRCHUM, Montréal, QC, Canada; ³Institute of Medical Science, University of Toronto, Toronto, ON, Canada; ⁴Institute of Health Policy, University of Toronto, Toronto, ON, Canada
Angiotensin-II (AngII), the main effector of the renin-angiotensin system (RAS), can lead to interstitial fibrosis/ tubular atrophy (IFTA) in kidney transplant recipients, mainly through AT-1R…
2017 American Transplant Congress
TGF-β1 Induces Transplant Kidney Interstitial Fibrosis Through Endothelial-to-Mesenchymal Transition via TGF-β/Smad and Akt/mTOR/p70S6K Pathways.
Z. Wang, Z. Han, J. Tao, R. Tan, M. Gu.
Urology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
Background: Chronic allograft dysfunction (CAD) induced by kidney interstitial fibrosis is the main cause of allograft failure in kidney transplantation. Studies suggested that endothelial-to-mesenchymal transition…
2017 American Transplant Congress
Mechanisms of Fibrosis in the Allograft Kidney: RNA-seq Based Analysis Using Formalin Fixed Biopsies.
G. Zeng,² L. Pan,¹ Z. Lyu,¹ Y. Huang,² P. Randhawa.²
¹Department of Nephrology, Guangxi Medical University, Nanning, Guangxi, China; ²Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, PA
Development of allograft fibrosis determines long term graft survival but our understanding of this important complication is incomplete. To gain further insight into this problem…
2017 American Transplant Congress
Impact of Antihypertensive (AHT) Choice and Advagraf^® Dose on Interstitial Fibrosis/Tubular Atrophy (IF/TA) and IF/TA Progression in Renal Allografts 24 Months Post-Transplantation (Tx).
S. Cockfield,¹ D. Rush,² S. Wilson,³ J. Howell,⁴ FKC-014 Study Group.
¹University of Alberta Hospital, Edmonton, AB, Canada; ²Health Sciences Centre, Winnipeg, MB, Canada; ³Astellas Pharma Global Development, Northbrook, IL; ⁴Astellas Pharma Global Development, Markham, ON, Canada
IF/TA may be delayed using ACEi- or ARB-type AHTs, which target the renin-angiotensin system (RAS), as well as by optimizing tacrolimus (TAC) exposure. The effect…