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Ecto-5′nucleotidase (CD73) May Predict Occurrence and Grade of GVHD in Patients Undergoing Allogeneic Hematopoietic Stem Cell Transplantation
Author(s) -
Rusli Ibrahim,
Maha El-Zimaity,
Nevine N. Moustafa,
Mahmoud Attia,
Walaa Elsalakawy,
Rana Z. Abass
Publication year - 2021
Publication title -
open access macedonian journal of medical sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.288
H-Index - 17
ISSN - 1857-9655
DOI - 10.3889/oamjms.2021.5707
Subject(s) - medicine , graft versus host disease , hematopoietic stem cell transplantation , transplantation , stem cell , prospective cohort study , disease , immunology , gastroenterology , genetics , biology
BACKGROUND: Graft versus host disease (GVHD) represents a main cause of post-transplant morbidity and mortality. Ectonucleotidases are one of major components of purinergic signaling which is one of the important mediator pathways regulating cellular functions. CD73 is the most significant member of ectonucleotidases.AIM: The aim of the study was to assess role of CD73 in development/severity of GVHD among patients undergoing allogeneic hematopoietic stem cell transplantation (HSCT)SUBJECT AND METHODS: This is a prospective study conducted on 30 adult patients eligible for allogeneic HSCT and their 30 donors in a period of 2 years from January 2015 until January 2017. Assessment of CD73 positive cells through flow cytometry on peripheral blood samples in donors during assessment period before receiving G-CSF and in recipients before conditioning at day −7 and once GVHD occurs (within 12 months) or at end of follow-up period was done.RESULTS: CD73 level was significantly higher in recipients pre/post-transplantation (58.24 ± 19.68, 65.78 ± 19.03 respectively) than in donors (29.08 ±14.14) (p = 0.022), there is a significant negative correlation between pre-transplant CD73 level in recipients and occurrence of chronic GVHD (cGVHD), (p = 0.004) and its grade (p = 0.0496). Ectonucleotidase CD73 expression in recipients was a good predictor of cGVHD with sensitivity of 100% and Specificity of 65% at cut off value ≤61.07%. CD73 expression in recipients was independently predicting cGVHD.CONCLUSION: CD 73 may represent a promising, clinically applicable tool of predicting cGVHD and its grade in patients undergoing HSCT.

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