دورية أكاديمية

Caveats in Interpretation of Molecular Diagnostics in Heart Allografts.

التفاصيل البيبلوغرافية
العنوان: Caveats in Interpretation of Molecular Diagnostics in Heart Allografts.
المؤلفون: Randhawa PS; Department of Pathology, The Thomas E Starzl Transplantation Institute, University of Pittsburgh, Pittsburgh, PA.
المصدر: Transplantation [Transplantation] 2024 Jul 01; Vol. 108 (7), pp. 1472-1475. Date of Electronic Publication: 2024 Jan 31.
نوع المنشور: Journal Article; Review
اللغة: English
بيانات الدورية: Publisher: Lippincott Williams & Wilkins Country of Publication: United States NLM ID: 0132144 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1534-6080 (Electronic) Linking ISSN: 00411337 NLM ISO Abbreviation: Transplantation Subsets: MEDLINE
أسماء مطبوعة: Publication: Hagerstown, MD : Lippincott Williams & Wilkins
Original Publication: Baltimore, Williams & Wilkins.
مواضيع طبية MeSH: Heart Transplantation*/adverse effects , Graft Rejection*/immunology , Graft Rejection*/diagnosis , Graft Rejection*/genetics , Graft Rejection*/pathology, Humans ; Biopsy ; Molecular Diagnostic Techniques ; Allografts/immunology ; Myocardium/pathology ; Reproducibility of Results ; Pathology, Molecular ; Predictive Value of Tests ; Gene Expression Profiling
مستخلص: Histologic separation of injury, T cell-mediated rejection, or antibody-mediated rejection in allograft heart biopsies is difficult. A critical review of publications was performed to evaluate the caveats of using molecular diagnostics (MDX) to distinguish between these entities. Typically, only 1 to 2 fragments of unknown histologic appearance are evaluated. Archetype and molecular classifier analyses use gene lists derived from histologic labels and associated reproducibility issues influence the accuracy of the derived MDX classes. Archetypes A1, A2, and A3 archetypes created by bioinformatics were renamed no rejection, T cell-mediated rejection, and antibody-mediated rejection despite as little as 40% concordance with histologic diagnoses and overlapping archetype scores. Additional archetypes S4 and minor injury were created using arbitrary cutoffs based on visual examination of principal component analysis plots. Therapeutic implications of the numerous discrepancies with histology remain unexplored. Many MDX-derived observations are ambiguous and open to alternate logical explanations. Better molecular methods and more rigorous validation studies are needed to advance the field. Ideally, these methods should analyze all available biopsy fragments to minimize sampling issues. It is also desirable to incorporate spatial transcriptomics into the workflow, so that gene expression data can be directly compared with the underlying histology lesions.
Competing Interests: The author declares no funding or conflicts of interest.
(Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.)
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تواريخ الأحداث: Date Created: 20240131 Date Completed: 20240625 Latest Revision: 20240625
رمز التحديث: 20240626
DOI: 10.1097/TP.0000000000004895
PMID: 38294835
قاعدة البيانات: MEDLINE
الوصف
تدمد:1534-6080
DOI:10.1097/TP.0000000000004895