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Immunologic resolution of human chronic graft-versus-host disease. 2014

Kris M Mahadeo, and Bernadette Masinsin, and Neena Kapoor, and Ami J Shah, and Hisham Abdel-Azim, and Robertson Parkman
Division of Blood and Marrow Transplantation, Children's Center for Cancer and Blood Diseases, Children's Hospital Los Angeles, and Department of Pediatrics, Keck School of Medicine, University of Southern California, Los Angeles, California.

To determine the role of regulatory T lymphocytes (Tregs) in the pathogenesis of human chronic graft-versus-host disease (GVHD) and its clinical resolution, we evaluated long-term recipients of pediatric allogeneic hematopoietic stem cell transplantation (HSCT). Seventy-one recipients were evaluated, 30 of whom had a history of chronic GVHD, including 16 with active chronic GVHD and 14 with resolved chronic GVHD. There were no significant clinical differences and no differences in the frequency of Tregs (CD4(+), CD127(-), CD25(+)) between the recipients with active chronic GVHD and those with resolved chronic GVHD. Using the Miyara/Sakaguchi classification scheme to identify functional Tregs, a decreased frequency of functional resting Tregs (rTregs) was identified in recipients with active chronic GVHD (P = .009 compared with normal donors; P = .001 compared with HSCT recipients without history of chronic GVHD; P = .005 compared with recipients with resolved chronic GVHD). The frequency and number of recent thymic emigrants in rTregs were normal in recipients with resolved chronic GVHD, but persistently decreased in recipients with active chronic GVHD. These results support the hypothesis that the reestablishment of normal numbers of functional rTregs is required for the clinical resolution of chronic GVHD.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008297 Male Males
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D002908 Chronic Disease Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care (Dictionary of Health Services Management, 2d ed). For epidemiological studies chronic disease often includes HEART DISEASES; STROKE; CANCER; and diabetes (DIABETES MELLITUS, TYPE 2). Chronic Condition,Chronic Illness,Chronically Ill,Chronic Conditions,Chronic Diseases,Chronic Illnesses,Condition, Chronic,Disease, Chronic,Illness, Chronic
D003430 Cross-Sectional Studies Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time. Disease Frequency Surveys,Prevalence Studies,Analysis, Cross-Sectional,Cross Sectional Analysis,Cross-Sectional Survey,Surveys, Disease Frequency,Analyses, Cross Sectional,Analyses, Cross-Sectional,Analysis, Cross Sectional,Cross Sectional Analyses,Cross Sectional Studies,Cross Sectional Survey,Cross-Sectional Analyses,Cross-Sectional Analysis,Cross-Sectional Study,Cross-Sectional Surveys,Disease Frequency Survey,Prevalence Study,Studies, Cross-Sectional,Studies, Prevalence,Study, Cross-Sectional,Study, Prevalence,Survey, Cross-Sectional,Survey, Disease Frequency,Surveys, Cross-Sectional
D005260 Female Females
D006086 Graft vs Host Disease The clinical entity characterized by anorexia, diarrhea, loss of hair, leukopenia, thrombocytopenia, growth retardation, and eventual death brought about by the GRAFT VS HOST REACTION. Graft-Versus-Host Disease,Homologous Wasting Disease,Runt Disease,Graft-vs-Host Disease,Disease, Graft-Versus-Host,Disease, Graft-vs-Host,Disease, Homologous Wasting,Disease, Runt,Diseases, Graft-Versus-Host,Diseases, Graft-vs-Host,Graft Versus Host Disease,Graft-Versus-Host Diseases,Graft-vs-Host Diseases
D006402 Hematologic Diseases Disorders of the blood and blood forming tissues. Blood Diseases,Hematological Diseases,Blood Disease,Disease, Blood,Disease, Hematologic,Disease, Hematological,Diseases, Blood,Diseases, Hematologic,Diseases, Hematological,Hematologic Disease,Hematological Disease
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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