51.[20221010]Revisiting transplant immunology through the lens of sing…
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Review Semin Immunopathol
. 2022 Aug 18;1-19. doi: 10.1007/s00281-022-00958-0. Online ahead of print.
Revisiting transplant immunology through the lens of single-cell technologies
Arianna Barbetta 1 2, Brittany Rocque 1 2, Deepika Sarode 1 2, Johanna Ascher Bartlett 3, Juliet Emamaullee 4 5 6
Affiliations expand
PMID: 35980400 PMCID: PMC9386203 DOI: 10.1007/s00281-022-00958-0
Free PMC article
Abstract
Solid organ transplantation (SOT) is the standard of care for end-stage organ disease. The most frequent complication of SOT involves allograft rejection, which may occur via T cell- and/or antibody-mediated mechanisms. Diagnosis of rejection in the clinical setting requires an invasive biopsy as there are currently no reliable biomarkers to detect rejection episodes. Likewise, it is virtually impossible to identify patients who exhibit operational tolerance and may be candidates for reduced or complete withdrawal of immunosuppression. Emerging single-cell technologies, including cytometry by time-of-flight (CyTOF), imaging mass cytometry, and single-cell RNA sequencing, represent a new opportunity for deep characterization of pathogenic immune populations involved in both allograft rejection and tolerance in clinical samples. These techniques enable examination of both individual cellular phenotypes and cell-to-cell interactions, ultimately providing new insights into the complex pathophysiology of allograft rejection. However, working with these large, highly dimensional datasets requires expertise in advanced data processing and analysis using computational biology techniques. Machine learning algorithms represent an optimal strategy to analyze and create predictive models using these complex datasets and will likely be essential for future clinical application of patient level results based on single-cell data. Herein, we review the existing literature on single-cell techniques in the context of SOT.
Review Semin Immunopathol
. 2022 Aug 18;1-19. doi: 10.1007/s00281-022-00958-0. Online ahead of print.
Revisiting transplant immunology through the lens of single-cell technologies
Arianna Barbetta 1 2, Brittany Rocque 1 2, Deepika Sarode 1 2, Johanna Ascher Bartlett 3, Juliet Emamaullee 4 5 6
Affiliations expand
PMID: 35980400 PMCID: PMC9386203 DOI: 10.1007/s00281-022-00958-0
Free PMC article
Abstract
Solid organ transplantation (SOT) is the standard of care for end-stage organ disease. The most frequent complication of SOT involves allograft rejection, which may occur via T cell- and/or antibody-mediated mechanisms. Diagnosis of rejection in the clinical setting requires an invasive biopsy as there are currently no reliable biomarkers to detect rejection episodes. Likewise, it is virtually impossible to identify patients who exhibit operational tolerance and may be candidates for reduced or complete withdrawal of immunosuppression. Emerging single-cell technologies, including cytometry by time-of-flight (CyTOF), imaging mass cytometry, and single-cell RNA sequencing, represent a new opportunity for deep characterization of pathogenic immune populations involved in both allograft rejection and tolerance in clinical samples. These techniques enable examination of both individual cellular phenotypes and cell-to-cell interactions, ultimately providing new insights into the complex pathophysiology of allograft rejection. However, working with these large, highly dimensional datasets requires expertise in advanced data processing and analysis using computational biology techniques. Machine learning algorithms represent an optimal strategy to analyze and create predictive models using these complex datasets and will likely be essential for future clinical application of patient level results based on single-cell data. Herein, we review the existing literature on single-cell techniques in the context of SOT.