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Keller MB, Newman D, Alnababteh M, Ponor L, Shah P, Matthews J, Kong H, Andargie T, Park W, Charya A, Luikart H, Aryal S, Nathan SD, Orens JB, Khush KK, Jang M, Agbor-Enoh S. Extreme elevations of donor-derived cell-free DNA increases the risk of chronic lung allograft dysfunction and death, even without clinical manifestations of disease. J Heart Lung Transplant 2024:S1053-2498(24)01644-9. [PMID: 38705500 DOI: 10.1016/j.healun.2024.04.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 03/11/2024] [Accepted: 04/25/2024] [Indexed: 05/07/2024] Open
Abstract
BACKGROUND Lung transplant recipients are traditionally monitored with pulmonary function testing (PFT) and lung biopsy to detect post-transplant complications and guide treatment. Plasma donor-derived cell free DNA (dd-cfDNA) is a novel molecular approach of assessing allograft injury, including subclinical allograft dysfunction. The aim of this study was to determine if episodes of extreme molecular injury (EMI) in lung transplant recipients increases the risk of CLAD or death. METHODS This multicenter prospective cohort study included 238 lung transplant recipients. Serial plasma samples were collected for dd-cfDNA measurement by shotgun sequencing. EMI was defined as a dd-cfDNA above the third quartile of levels observed for acute rejection (dd-cfDNA level of ≥ 5% occurring after 45 days post-transplant). EMI was categorized as Secondary if associated with co-existing acute rejection, infection or PFT decline; or Primary if not associated to these conditions. RESULTS EMI developed in 16% of patients at a median 343.5 (IQR: 177.3-535.5) days post-transplant. Over 50% of EMI episodes were classified as Primary. EMI was associated with an increased risk of severe CLAD or death (HR: 2.52, 95% CI: 1.10 - 3.82, p= 0.024). The risk remained consistent for Primary EMI (HR: 2.34, 95% CI 1.18-4.85, p=0.015). Time to first EMI episode was a significant predictor of the likelihood of developing CLAD or death (AUC=0.856, 95% CI =.805-908, p<.001). CONCLUSIONS Episodes of EMI in lung transplant recipients are often isolated and not detectable with traditional clinical monitoring approaches. EMI is associated with an increased risk of severe CLAD or death, independent of concomitant transplant complications.
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Affiliation(s)
- Michael B Keller
- Laborarory of Applied Precision Omics (APO) National Heart, Lung and Blood Institute (NHLBI), National Institutes of Health, Bethesda, MD; Genomic Research Alliance for Transplantation (GRAfT); Critical Care Medicine Department, Clinical Center, National Institutes of Health, Bethesda, MD; Pulmonary and Critical Care Medicine, Johns Hopkins Hospital, Baltimore MD
| | - David Newman
- College of Nursing, Florida Atlantic University, FL
| | - Muhtadi Alnababteh
- Laborarory of Applied Precision Omics (APO) National Heart, Lung and Blood Institute (NHLBI), National Institutes of Health, Bethesda, MD; Genomic Research Alliance for Transplantation (GRAfT); Critical Care Medicine Department, Clinical Center, National Institutes of Health, Bethesda, MD
| | - Lucia Ponor
- Genomic Research Alliance for Transplantation (GRAfT); Division of Hospital Medicine, Johns Hopkins Bayview Medical Center, Baltimore, MD
| | - Pali Shah
- Genomic Research Alliance for Transplantation (GRAfT); Pulmonary and Critical Care Medicine, Johns Hopkins Hospital, Baltimore MD
| | - Joby Matthews
- Genomic Research Alliance for Transplantation (GRAfT); Pulmonary and Critical Care Medicine, Johns Hopkins Hospital, Baltimore MD
| | - Hyesik Kong
- Laborarory of Applied Precision Omics (APO) National Heart, Lung and Blood Institute (NHLBI), National Institutes of Health, Bethesda, MD; Genomic Research Alliance for Transplantation (GRAfT)
| | - Temesgen Andargie
- Laborarory of Applied Precision Omics (APO) National Heart, Lung and Blood Institute (NHLBI), National Institutes of Health, Bethesda, MD; Genomic Research Alliance for Transplantation (GRAfT)
| | - Woojin Park
- Laborarory of Applied Precision Omics (APO) National Heart, Lung and Blood Institute (NHLBI), National Institutes of Health, Bethesda, MD; Genomic Research Alliance for Transplantation (GRAfT)
| | - Ananth Charya
- Division of Pulmonary and Critical Care Medicine, University of Maryland Medical Center, Baltimore MD
| | - Helen Luikart
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Palo Alto, CA; Department of Pathology, Stanford University School of Medicine, Palo Alto, CA
| | - Shambhu Aryal
- Genomic Research Alliance for Transplantation (GRAfT); Inova Fairfax Hospital, Falls Church, VA
| | - Steven D Nathan
- Genomic Research Alliance for Transplantation (GRAfT); Inova Fairfax Hospital, Falls Church, VA
| | - Jonathan B Orens
- Genomic Research Alliance for Transplantation (GRAfT); Pulmonary and Critical Care Medicine, Johns Hopkins Hospital, Baltimore MD
| | - Kiran K Khush
- Division of Cardiovascular Medicine, Stanford University School of Medicine, Palo Alto, CA
| | - Moon Jang
- Laborarory of Applied Precision Omics (APO) National Heart, Lung and Blood Institute (NHLBI), National Institutes of Health, Bethesda, MD; Genomic Research Alliance for Transplantation (GRAfT)
| | - Sean Agbor-Enoh
- Laborarory of Applied Precision Omics (APO) National Heart, Lung and Blood Institute (NHLBI), National Institutes of Health, Bethesda, MD; Genomic Research Alliance for Transplantation (GRAfT); Pulmonary and Critical Care Medicine, Johns Hopkins Hospital, Baltimore MD.
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Bazemore K, Permpalung N, Mathew J, Lemma M, Haile B, Avery R, Kong H, Jang MK, Andargie T, Gopinath S, Nathan SD, Aryal S, Orens J, Valantine H, Agbor-Enoh S, Shah P. Elevated cell-free DNA in respiratory viral infection and associated lung allograft dysfunction. Am J Transplant 2022; 22:2560-2570. [PMID: 35729715 DOI: 10.1111/ajt.17125] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 06/15/2022] [Accepted: 06/15/2022] [Indexed: 01/25/2023]
Abstract
Respiratory viral infection (RVI) in lung transplant recipients (LTRs) is a risk for chronic lung allograft dysfunction (CLAD). We hypothesize that donor-derived cell-free DNA (%ddcfDNA), at the time of RVI predicts CLAD progression. We followed 39 LTRs with RVI enrolled in the Genomic Research Alliance for Transplantation for 1 year. Plasma %ddcfDNA was measured by shotgun sequencing, with high %ddcfDNA as ≥1% within 7 days of RVI. We examined %ddcfDNA, spirometry, and a composite (progression/failure) of CLAD stage progression, re-transplant, and death from respiratory failure. Fifty-nine RVI episodes, 38 low and 21 high %ddcfDNA were analyzed. High %ddcfDNA subjects had a greater median %FEV1 decline at RVI (-13.83 vs. -1.83, p = .007), day 90 (-7.97 vs. 0.91, p = .04), and 365 (-20.05 vs. 1.09, p = .047), compared to those with low %ddcfDNA and experienced greater progression/failure within 365 days (52.4% vs. 21.6%, p = .01). Elevated %ddcfDNA at RVI was associated with an increased risk of progression/failure adjusting for symptoms and days post-transplant (HR = 1.11, p = .04). No difference in %FEV1 decline was seen at any time point when RVIs were grouped by histopathology result at RVI. %ddcfDNA delineates LTRs with RVI who will recover lung function and who will experience sustained decline, a utility not seen with histopathology.
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Affiliation(s)
- Katrina Bazemore
- Division of Pulmonary and Critical Care, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Nitipong Permpalung
- Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Division of Mycology, Department of Microbiology, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Joby Mathew
- Division of Pulmonary and Critical Care, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Merte Lemma
- Advanced Lung Disease and Transplant Program, Inova Heart and Vascular Institute, Inova Fairfax Hospital, Falls Church, Virginia
| | | | - Robin Avery
- Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Hyesik Kong
- Laboratory of Applied Precision Omics, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland.,Genomic Research Alliance for Transplantation (GRAfT), Bethesda, Maryland
| | - Moon Kyoo Jang
- Laboratory of Applied Precision Omics, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland.,Genomic Research Alliance for Transplantation (GRAfT), Bethesda, Maryland
| | - Temesgen Andargie
- Laboratory of Applied Precision Omics, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland
| | - Shilpa Gopinath
- Division of Transplant Oncology Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Steven D Nathan
- Advanced Lung Disease and Transplant Program, Inova Heart and Vascular Institute, Inova Fairfax Hospital, Falls Church, Virginia.,Genomic Research Alliance for Transplantation (GRAfT), Bethesda, Maryland
| | - Shambhu Aryal
- Advanced Lung Disease and Transplant Program, Inova Heart and Vascular Institute, Inova Fairfax Hospital, Falls Church, Virginia
| | - Jonathan Orens
- Division of Pulmonary and Critical Care, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Genomic Research Alliance for Transplantation (GRAfT), Bethesda, Maryland
| | - Hannah Valantine
- Laboratory of Applied Precision Omics, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland.,Genomic Research Alliance for Transplantation (GRAfT), Bethesda, Maryland
| | - Sean Agbor-Enoh
- Division of Pulmonary and Critical Care, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Laboratory of Applied Precision Omics, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, Maryland.,Genomic Research Alliance for Transplantation (GRAfT), Bethesda, Maryland
| | - Pali Shah
- Division of Pulmonary and Critical Care, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Genomic Research Alliance for Transplantation (GRAfT), Bethesda, Maryland
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Keller M, Charya A, Andargie T, Agbor-Enoh S. Laboratory Considerations for Successful Xenotransplantation in Humans. Clin Chem 2022; 68:1368-1373. [PMID: 36226752 DOI: 10.1093/clinchem/hvac150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Accepted: 08/17/2022] [Indexed: 11/12/2022]
Affiliation(s)
- Michael Keller
- Laboratory of Applied Precision Omics (APO) and Genomic Research Alliance for Transplantation (GRAfT), National Institute of Health, Bethesda, MD.,Department of Critical Care Medicine, National Institute of Health, Bethesda, MD.,Pulmonary and Critical Care Medicine, Johns Hopkins Hospital,, Baltimore, MD
| | - Ananth Charya
- Division of Pulmonary and Critical Care, University of Maryland Medical Center,, Baltimore, MD
| | - Temesgen Andargie
- Laboratory of Applied Precision Omics (APO) and Genomic Research Alliance for Transplantation (GRAfT), National Institute of Health, Bethesda, MD
| | - Sean Agbor-Enoh
- Laboratory of Applied Precision Omics (APO) and Genomic Research Alliance for Transplantation (GRAfT), National Institute of Health, Bethesda, MD.,Pulmonary and Critical Care Medicine, Johns Hopkins Hospital,, Baltimore, MD
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Meda R, Fu S, Yu K, Charya A, Kong H, Jang M, Andargie T, Park W, Lee J, Tunc I, Berry G, Marboe C, Shah P, Nathan S, Keller M, Agbor-Enoh S. Comparative Performance Analysis of Donor-Derived Cell-Free DNA to Detect Acute Rejection in Single and Double Lung Transplant Recipients. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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