دورية أكاديمية
The Macrophage Landscape Across the Lifespan of a Human Cardiac Allograft.
العنوان: | The Macrophage Landscape Across the Lifespan of a Human Cardiac Allograft. |
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المؤلفون: | Li X; The Texas Heart Institute, Houston (X.L., R.G.L., Y.Z., R.W., J.F.M.)., Turaga D; The Texas Heart Institute, Houston (X.L., R.G.L., Y.Z., R.W., J.F.M.).; Division of Critical Care Medicine (D.T.), Texas Children's Hospital, Houston TX., Li RG; The Texas Heart Institute, Houston (X.L., R.G.L., Y.Z., R.W., J.F.M.)., Tsai CR; Department of Integrative Physiology (C.-R.T., K.C., J.F.M.), Baylor College of Medicine, Houston, TX., Quinn JN; Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston (J.N.Q., J.W.)., Zhao Y; The Texas Heart Institute, Houston (X.L., R.G.L., Y.Z., R.W., J.F.M.)., Wilson R; The Texas Heart Institute, Houston (X.L., R.G.L., Y.Z., R.W., J.F.M.)., Carlson K; Department of Integrative Physiology (C.-R.T., K.C., J.F.M.), Baylor College of Medicine, Houston, TX., Wang J; Department of Pediatrics, McGovern Medical School, The University of Texas Health Science Center at Houston (J.N.Q., J.W.)., Spinner JA; Department of Pediatrics (D.T., J.A.S.), Baylor College of Medicine, Houston, TX.; Division of Cardiology (J.A.S.), Texas Children's Hospital, Houston TX., Hickey EJ; Department of Surgery (E.J.H., I.A.), Baylor College of Medicine, Houston, TX.; Division of Congenital Heart Surgery (E.J.H., I.A.), Texas Children's Hospital, Houston TX., Adachi I; Department of Surgery (E.J.H., I.A.), Baylor College of Medicine, Houston, TX.; Division of Congenital Heart Surgery (E.J.H., I.A.), Texas Children's Hospital, Houston TX., Martin JF; The Texas Heart Institute, Houston (X.L., R.G.L., Y.Z., R.W., J.F.M.).; Department of Integrative Physiology (C.-R.T., K.C., J.F.M.), Baylor College of Medicine, Houston, TX.; Center for Organ Repair and Renewal (J.F.M.), Baylor College of Medicine, Houston, TX. |
المصدر: | Circulation [Circulation] 2024 May 21; Vol. 149 (21), pp. 1650-1666. Date of Electronic Publication: 2024 Feb 12. |
نوع المنشور: | Journal Article |
اللغة: | English |
بيانات الدورية: | Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0147763 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1524-4539 (Electronic) Linking ISSN: 00097322 NLM ISO Abbreviation: Circulation Subsets: MEDLINE |
أسماء مطبوعة: | Publication: Hagerstown, MD : Lippincott Williams & Wilkins Original Publication: [Dallas, Tex., etc., American Heart Association, etc.] |
مواضيع طبية MeSH: | Heart Transplantation*/adverse effects , Macrophages*/metabolism , Allografts* , Graft Rejection*/immunology , Graft Rejection*/genetics, Humans ; Male ; Female ; Child ; Child, Preschool ; Myocardium/pathology ; Graft Survival ; Infant ; Killer Cells, Natural/immunology ; Killer Cells, Natural/metabolism ; Adolescent |
مستخلص: | Background: Much of our knowledge of organ rejection after transplantation is derived from rodent models. Methods: We used single-nucleus RNA sequencing to investigate the inflammatory myocardial microenvironment in human pediatric cardiac allografts at different stages after transplantation. We distinguished donor- from recipient-derived cells using naturally occurring genetic variants embedded in single-nucleus RNA sequencing data. Results: Donor-derived tissue resident macrophages, which accompany the allograft into the recipient, are lost over time after transplantation. In contrast, monocyte-derived macrophages from the recipient populate the heart within days after transplantation and form 2 macrophage populations: recipient MP1 and recipient MP2. Recipient MP2s have cell signatures similar to donor-derived resident macrophages; however, they lack signatures of pro-reparative phagocytic activity typical of donor-derived resident macrophages and instead express profibrotic genes. In contrast, recipient MP1s express genes consistent with hallmarks of cellular rejection. Our data suggest that recipient MP1s activate a subset of natural killer cells, turning them into a cytotoxic cell population through feed-forward signaling between recipient MP1s and natural killer cells. Conclusions: Our findings reveal an imbalance of donor-derived and recipient-derived macrophages in the pediatric cardiac allograft that contributes to allograft failure. Competing Interests: Disclosures None. |
التعليقات: | Comment in: Circulation. 2024 May 21;149(21):1667-1669. doi: 10.1161/CIRCULATIONAHA.124.068884. (PMID: 38768276) |
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معلومات مُعتمدة: | R01 HL142704 United States HL NHLBI NIH HHS; R01 HL118761 United States HL NHLBI NIH HHS; R56 HL142704 United States HL NHLBI NIH HHS; R01 HL127717 United States HL NHLBI NIH HHS; R01 HL130804 United States HL NHLBI NIH HHS |
فهرسة مساهمة: | Keywords: allografts; heart; killer cells, natural; macrophages; pediatrics; tissue donor; transplant recipients |
تواريخ الأحداث: | Date Created: 20240212 Date Completed: 20240520 Latest Revision: 20240607 |
رمز التحديث: | 20240607 |
مُعرف محوري في PubMed: | PMC11105989 |
DOI: | 10.1161/CIRCULATIONAHA.123.065294 |
PMID: | 38344825 |
قاعدة البيانات: | MEDLINE |
تدمد: | 1524-4539 |
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DOI: | 10.1161/CIRCULATIONAHA.123.065294 |