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ORGAN TRANSPLANTATION --- MAJOR HISTOCOMPATIBILITY COMPLEX --- ANTIBODIES --- GRAFT REJECTION --- GRAFT SURVIVAL --- ORGAN TRANSPLANTATION --- MAJOR HISTOCOMPATIBILITY COMPLEX --- ANTIBODIES --- GRAFT REJECTION --- GRAFT SURVIVAL

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Blood Transfusion. --- Graft Survival. --- Graft Survivals --- Survival, Graft --- Survivals, Graft --- Transplantation Tolerance --- Delayed Graft Function --- Blood Transfusions --- Transfusion, Blood --- Transfusions, Blood --- Theses --- Pathological haematology --- Nefrology --- Blood Transfusion --- Graft Survival

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This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact

Medicine --- Immunology --- organ transplantation --- marginal donors --- expanded criteria donors --- machine perfusion --- organ allocation --- graft survival --- delayed graft function --- antigen silencing

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In 1986, the Committee of Experts on Blood Transfusion and Immunohae- tology of the Council of Europe chose for their Programme of Co-ordinated Research "An investigation of the procurement and sharing of transplantable organs for potential recipients who are highly sensitized to HLA-antigens". This topic was of common concern to all centres practising renal transplan- tion. The terms of reference of the study were: To estimate the number of patients who are virtually "untransplantable" because of high sensitization in each European country. To study the nature of immunization in terms of the type and specificity of antibodies present in the blood and techniques used for their detection. To investigate possible practical solutions - both current and future, invo- ing cross-matching procedures, the circulation of reference material from patients, and the willingness of the national organizations to share resources. 4. To explore other methods of resolving this problem. Although the study did not offer the prospect of a brilliant new insight into the problem of high sensitization, it was unique in several ways: for the first time we saw all European organizations collaborating in a common project to provide information on their activities, their problems and the methods to resolve them; it introduced, for this subject, relatively novel statistical methods to investigate susceptibility to sensitization and factors affecting transplant outcome; it enabled a large database of transplanted highly sensitized patients and matched controls to be assembled, that would have been unavailable as a research resource at any single centre.

Kidneys --- Graft survival. --- Hla antigens. --- Kidney --- Transplantation immunology. --- Transplantation --- Immunological aspects. --- Transplantation. --- HLA histocompatibility antigens. --- Medicine. --- Immunology. --- Nephrology. --- Surgery. --- Medicine & Public Health.

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In recent years, artificial intelligence has increasingly been playing an essential role in diverse areas in medicine, assisting clinicians in patient management. In nephrology and transplantation, artificial intelligence can be utilized to enhance clinical care, such as through hemodialysis prescriptions and the follow-up of kidney transplant patients. Furthermore, there are rapidly expanding applications and validations of comprehensive, computerized medical records and related databases, including national registries, health insurance, and drug prescriptions. For this Special Issue, we made a call to action to stimulate researchers and clinicians to submit their invaluable works and present, here, a collection of articles covering original clinical research (single- or multi-center), database studies from registries, meta-analyses, and artificial intelligence research in nephrology including acute kidney injury, electrolytes and acid–base, chronic kidney disease, glomerular disease, dialysis, and transplantation that will provide additional knowledge and skills in the field of nephrology and transplantation toward improving patient outcomes.

Medicine --- tacrolimus --- C/D ratio --- tacrolimus metabolism --- everolimus --- conversion --- kidney transplantation --- gut microbiome --- renal transplant recipient --- diarrhea --- immunosuppressive medication --- gut microbiota --- 16S rRNA sequencing --- butyrate-producing bacteria --- Proteobacteria --- torquetenovirus --- immunosuppression --- transplantation --- immunosuppressed host --- outcome --- renal transplantation --- Goodpasture syndrome --- anti-GBM disease --- epidemiology --- hospitalization --- outcomes --- acute kidney injury --- risk prediction --- artificial intelligence --- patent ductus arteriosus --- conservative management --- blood pressure --- eradication --- interferon-free regimen --- hepatitis C infection --- kidney transplant --- allograft steatosis --- lipopeliosis --- transplant numbers --- live donors --- public awareness --- Google TrendsTM --- machine learning --- big data --- nephrology --- chronic kidney disease --- NLR --- PLR --- RPGN --- predictive value --- hemodialysis --- withdrawal --- cellular crescent --- global sclerosis --- procurement kidney biopsy --- glomerulosclerosis --- minimally-invasive donor nephrectomy --- robot-assisted surgery --- laparoscopic surgery --- organ donation --- living kidney donation --- MeltDose® --- LCPT --- renal function --- liver transplantation --- metabolism --- erythropoietin --- fibroblast growth factor 23 --- death --- weekend effect --- in-hospital mortality --- comorbidity --- dialysis --- elderly --- klotho --- α-Klotho --- FGF-23 --- kidney donor --- Nephrology --- CKD-MBD --- CKD-Mineral and Bone Disorder --- deceased donor --- Eurotransplant Senior Program --- risk stratification --- intensive care --- kidney transplant recipients --- long-term outcomes --- graft failure --- cardiovascular mortality --- lifestyle --- inflammation --- vascular calcification --- bone mineral density --- dual-energy X-ray absorptiometry --- living donation --- repeated kidney transplantation --- graft survival --- prolonged ischaemic time --- patient survival --- pre-emptive transplantation --- metabolomics --- urine --- acute rejection --- allograft --- cystatin C --- hyperfiltration --- kidney injury molecule (KIM)-1 --- tubular damage --- genetic polymorphisms --- (cardiac) surgery --- inflammatory cytokines --- clinical studies --- chronic kidney disease (CKD) --- no known kidney disease (NKD) --- ICD-10 billing codes --- phenotyping --- electronic health record (EHR) --- estimated glomerular filtration rate (eGFR) --- machine learning (ML) --- generalized linear model network (GLMnet) --- random forest (RF) --- artificial neural network (ANN), clinical natural language processing (clinical NLP) --- discharge summaries --- laboratory values --- area under the receiver operating characteristic (AUROC) --- area under the precision-recall curve (AUCPR) --- fibrosis --- extracellular matrix --- collagen type VI --- living-donor kidney transplantation --- ethnic disparity --- tacrolimus --- C/D ratio --- tacrolimus metabolism --- everolimus --- conversion --- kidney transplantation --- gut microbiome --- renal transplant recipient --- diarrhea --- immunosuppressive medication --- gut microbiota --- 16S rRNA sequencing --- butyrate-producing bacteria --- Proteobacteria --- torquetenovirus --- immunosuppression --- transplantation --- immunosuppressed host --- outcome --- renal transplantation --- Goodpasture syndrome --- anti-GBM disease --- epidemiology --- hospitalization --- outcomes --- acute kidney injury --- risk prediction --- artificial intelligence --- patent ductus arteriosus --- conservative management --- blood pressure --- eradication --- interferon-free regimen --- hepatitis C infection --- kidney transplant --- allograft steatosis --- lipopeliosis --- transplant numbers --- live donors --- public awareness --- Google TrendsTM --- machine learning --- big data --- nephrology --- chronic kidney disease --- NLR --- PLR --- RPGN --- predictive value --- hemodialysis --- withdrawal --- cellular crescent --- global sclerosis --- procurement kidney biopsy --- glomerulosclerosis --- minimally-invasive donor nephrectomy --- robot-assisted surgery --- laparoscopic surgery --- organ donation --- living kidney donation --- MeltDose® --- LCPT --- renal function --- liver transplantation --- metabolism --- erythropoietin --- fibroblast growth factor 23 --- death --- weekend effect --- in-hospital mortality --- comorbidity --- dialysis --- elderly --- klotho --- α-Klotho --- FGF-23 --- kidney donor --- Nephrology --- CKD-MBD --- CKD-Mineral and Bone Disorder --- deceased donor --- Eurotransplant Senior Program --- risk stratification --- intensive care --- kidney transplant recipients --- long-term outcomes --- graft failure --- cardiovascular mortality --- lifestyle --- inflammation --- vascular calcification --- bone mineral density --- dual-energy X-ray absorptiometry --- living donation --- repeated kidney transplantation --- graft survival --- prolonged ischaemic time --- patient survival --- pre-emptive transplantation --- metabolomics --- urine --- acute rejection --- allograft --- cystatin C --- hyperfiltration --- kidney injury molecule (KIM)-1 --- tubular damage --- genetic polymorphisms --- (cardiac) surgery --- inflammatory cytokines --- clinical studies --- chronic kidney disease (CKD) --- no known kidney disease (NKD) --- ICD-10 billing codes --- phenotyping --- electronic health record (EHR) --- estimated glomerular filtration rate (eGFR) --- machine learning (ML) --- generalized linear model network (GLMnet) --- random forest (RF) --- artificial neural network (ANN), clinical natural language processing (clinical NLP) --- discharge summaries --- laboratory values --- area under the receiver operating characteristic (AUROC) --- area under the precision-recall curve (AUCPR) --- fibrosis --- extracellular matrix --- collagen type VI --- living-donor kidney transplantation --- ethnic disparity