Articles tagged "Histology"

2022 American Transplant Congress
A Model of Idiopathic Pneumonia Syndrome in Rhesus Macaques
R. S. Bermea¹, K. Ingersoll², L. P. Hariri³, M. Warren², L. Kean², V. Tkachev²
¹Pulmonary & Critical Care Medicine, Massachusetts General Hospital, Boston, MA, ²Hematology/Oncology, Boston Children's Hospital, Boston, MA, ³Pathology, Massachusetts General Hospital, Boston, MA
*Purpose: To create a model of idiopathic pneumonia syndrome (IPS), a deadly complication of hematopoietic stem cell transplantation (HSCT) in Rhesus macaques (RM).*Methods: RM were…
2022 American Transplant Congress
Acute Tubular Injury and Necrosis Do Not Lead to Meaningful Elevations in Donor-Derived Cell-Free DNA (dd-cfDNA)
S. R. Allam¹, M. Cooper², D. Kumar³, T. Maw⁴, A. Wiseman⁵, P. Chuang⁶, G. Shekhtman⁷, N. Agrawal⁷, J. Zeng⁷, E. Huang⁸
¹Medical City Transplant Institute, Fort Worth, TX, ²Medstar Georgetown Transplant Institute, Washington, DC, ³Virginia Commonwealth University, Richmond, VA, ⁴University of Southern California, Los Angeles, CA, ⁵Centura Health, Denver, CO, ⁶Metrolina Nephrology, Charlotte, NC, ⁷CareDx, Brisbane, CA, ⁸Cedars-Sinai Medical Center, Los Angeles, CA
*Purpose: Associations between non-rejection histologic diagnoses and dd-cfDNA have not been extensively characterized. We explored these associations in kidney transplant recipients enrolled in the Kidney…
2022 American Transplant Congress
Deceased Donor Procurement Biopsy Practices, Interpretation, and Histology-Based Decision Making: A Survey of US Transplant Centers
V. Fleetwood¹, D. Axelrod², Y. Caliskan¹, H. Randall¹, J. Wellen³, M. Lichtenberger³, C. Dedert¹, R. Rothweiler⁴, G. F. Marklin⁴, D. Brockmeier⁴, M. A. Schnitzler¹, S. A. Husain⁵, S. Mohan⁵, B. Kasiske⁶, M. Cooper⁷, K. L. Lentine¹
¹Saint Louis U., St. Louis, MO, ²U. of Iowa, Iowa City, IA, ³WUSTL, St. Louis, MO, ⁴Mid-Am. Trans., St. Louis, MO, ⁵Columbia U., New York, NY, ⁶Hennepin Healthcare, Minneapolis, MN, ⁷MedStar Transpl. Inst., Washington, DC
*Purpose: In light of contemporary controversies on the utility of kidney procurement biopsies in predicting allograft outcomes and guiding organ acceptance, we surveyed transplant providers…
2022 American Transplant Congress
Discordant Histological Findings During Acute Rejection in a Combined Face and Hand Transplant Recipient
O. C. Onuh¹, J. Trilles¹, W. J. Rifkin¹, H. Brydges¹, B. F. Chaya¹, R. Rodriguez Colon¹, D. Boczar¹, D. J. Ceradini¹, E. D. Rodriguez¹, B. E. Gelb²
¹Hansjörg Wyss Department of Plastic Surgery, NYU Langone Health, New York, NY, ²Transplant Institute, NYU Langone Health, New York, NY
*Purpose: The purpose of this study is to evaluate histologic findings in a face and bilateral hand transplant recipient that was monitored with multi-site allograft…
2022 American Transplant Congress
Correlating Histology, Immunohistochemical, & Serologic Data in Heart Transplant Recipients: Implications for Molecular Diagnostic Assays
P. Randhawa, Y. Huang
University of Pittsburgh Medical Center, Pittsburgh, PA
*Purpose: The ISHLT classification of rejection in heart allograft biopsies is independent of DSA status. There is only limited data on the prevalence of DSA…
2021 American Transplant Congress
The Pathology of Heart Allograft Biopsies: Discrepancies in Interpretation Between Conventional Histology and the Molecular Microscope Diagnostic (MMDx®) System
P. Randhawa¹, A. Seitz², Y. Huang¹, B. Feingold²
¹Department of Pathology, Pittsburgh, PA, ²Pediatrics, University of Pittsburgh, Pittsburgh, PA
*Purpose: There is growing interest in using transcriptomics to complement histologic evaluation of allograft hearts. The present study scrutinizes discrepancies between histologic and MMDx® systems…
2021 American Transplant Congress
Assessment of Donor-Derived Cell-Free DNA Performance Characteristics Across the Spectrum of TCMR and ABMR After Kidney Transplant
L. Bu¹, S. Anand², A. Pai³, J. S. Bromberg⁴, T. Alhamad⁵, V. Bowers⁶, I. Moinuddin⁷, S. Ghosh⁸, W. Tian⁸, E. Stites⁹, G. Gupta⁷
¹University of Minnesota, Minneapolis, MN, ²Intermountain Medical Center, Murray, UT, ³University of Texas McGovern Medical School, Houston, TX, ⁴University of Maryland School of Medicine, Baltimore, MD, ⁵Washington University in St. Louis, St. Louis, MO, ⁶Tampa General Hospital, Tampa, FL, ⁷Virginia Commonwealth University, Richmond, VA, ⁸CareDx, Brisbane, CA, ⁹University of Colorado, Aurora, CO
*Purpose: Different donor-derived cell-free DNA (dd-cfDNA) thresholds have been reported in association with varying TCMR, ABMR and “Borderline” diagnoses. Interpretation of dd-cfDNA levels spanning active…
2021 American Transplant Congress
The Tumor-suppressor Signaling of the α1-na/k-atpase- Cav-1-src Complex at the Caveola in Nash Related Hepatocellular Carcinoma
U. S. Udoh¹, J. D. Sanabria¹, M. Banerjee¹, P. K. Rajan¹, M. Schade¹, J. A. Sanabria¹, A. Mallick¹, G. Smith¹, G. U. Udoh², K. Sodhi¹, S. Pierre², Z. Xie², J. Shapiro², J. Sanabria¹
¹Dept. of Surgery/ Marshall Institute for Interdisciplinary Research, Marshall University, Huntington,, WV, ²Marshall Institute for Interdisciplinary Research, Marshall University, Huntington,, WV
*Purpose: Hepatocellular Carcinoma (HCC) is the 2nd and fastest-growing cause of cancer related mortality worldwide, mainly from the metabolic cellular disturbances promoted by the epidemic…
2021 American Transplant Congress
Sampling Renal Biopsies in Pre-Clinical Research for Comprehensive Assessment
C. M. Edwards¹, C. Albert², D. Stern¹, J. Langford¹, W. Day², J. R. DiRito¹, W. M. Saltzman², M. Kashgarian³, J. S. Pober⁴, G. T. Tietjen¹
¹Surgery, Yale School of Medicine, New Haven, CT, ²Biomedical Engineering, Yale School of Medicine, New Haven, CT, ³Pathology, Yale School of Medicine, New Haven, CT, ⁴Immunobiology, Yale School of Medicine, New Haven, CT
*Purpose: Previous literature has demonstrated that single biopsies are not representative of a whole kidney in clinical assessments. In this study we aimed to design…
2021 American Transplant Congress
Impact of Treatment of Subclinical Rejection at 2 Weeks After Kidney Transplantation, Compared by 1 Year Histologic Outcomes
O. Lee¹, K. Lee¹, J. Park¹, J. Lee², G. Kwon³, K. Kim⁴
¹Surgery, Samsung Medical Center, Seoul, Korea, Republic of, ²Medicine, Samsung Medical Center, Seoul, Korea, Republic of, ³Pathology, Samsung Medical Center, Seoul, Korea, Republic of, ⁴Biostatistics, Samsung Medical Center, Seoul, Korea, Republic of
*Purpose: Subclinical rejection (SCR) is associated with chronic allograft nephropathy, which is the most common cause of allograft failure in kidney transplantation (KT). Therefore, early…