Comparison of [3H]-Thymidine, Carboxyfluorescein Diacetate Succinimidyl Ester and Ki-67 in Lymphocyte Proliferation

BackgroundPatients with T cell deficiency <10% of normal proliferation are indicated to receive immune reconstruction by hematopoietic stem cell transplantation (HSCT). This study aimed to investigate whether non-radioactive assays can be used to quantitatively detect the lymphocyte prolifera...

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Main Authors: Hsin-Ju Lee, Chun-Chun Gau, Wan-Fang Lee, Wen-I Lee, Jing-Long Huang, Shih-Hsiang Chen, Ho-Yu Yeh, Chi-Jou Liang, Shih-Hang Fu
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-04-01
Series:Frontiers in Pediatrics
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fped.2022.638549/full
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author Hsin-Ju Lee
Chun-Chun Gau
Chun-Chun Gau
Chun-Chun Gau
Wan-Fang Lee
Wen-I Lee
Wen-I Lee
Jing-Long Huang
Jing-Long Huang
Jing-Long Huang
Shih-Hsiang Chen
Ho-Yu Yeh
Chi-Jou Liang
Shih-Hang Fu
author_facet Hsin-Ju Lee
Chun-Chun Gau
Chun-Chun Gau
Chun-Chun Gau
Wan-Fang Lee
Wen-I Lee
Wen-I Lee
Jing-Long Huang
Jing-Long Huang
Jing-Long Huang
Shih-Hsiang Chen
Ho-Yu Yeh
Chi-Jou Liang
Shih-Hang Fu
author_sort Hsin-Ju Lee
collection DOAJ
description BackgroundPatients with T cell deficiency <10% of normal proliferation are indicated to receive immune reconstruction by hematopoietic stem cell transplantation (HSCT). This study aimed to investigate whether non-radioactive assays can be used to quantitatively detect the lymphocyte proliferation <10% of normal as radioactive [3H]-thymidine.”MethodsRadioactive [3H]-thymidine, non-radioactive carboxyfluorescein diacetate succinimidyl ester (CFSE), and Ki-67 protein expressions were used to measure the lymphocyte proliferation as calculated using the stimulation index (SI), subtraction percentage, and proliferation index (FlowJo software). Normal references were established for comparison in the absence of parallel healthy controls.ResultsNormal ranges of mitogen-stimulated lymphocyte proliferation were established as a SI of 15–267 (CSFE 47–92%, Ki-67 42–79%) with phytohemagglutinin (PHA) 5 μg/ml stimulation; 19–139 (CFSE 62–83%, 45–74% Ki-67) with concanavalin-A (ConA) 5 μg/ml stimulation; 7–53 (CFSE 6–23%, Ki-67 10–24%) with pokeweed mitogen (PWM) 0.1 ug/ml stimulation; 3–28 (CFSE 4–10%, Ki-67 5–14%) with candida 10 ug/ml stimulation; and 2–27 (CFSE 6–41%, Ki-67 6–30%) with bacille Calmette-Guerin (BCG) 0.02 ng/ml stimulation. The normalized CFSE-proliferation index was between 2.1 and 3.0. Although there was no significant correlation between these three assays in the healthy controls, the SI value for <10% [3H]-thymidine proliferation in those with T cell deficiency was compatible with CFSE- and Ki-67-stained lymphocyte percentages, and validated in patients with IL2RG, RAG1, and ZAP70 mutations. When calculating [3H]-thymidine <10% of normal lymphocyte proliferation, the threshold of parallel controls was more reliable than previously established normal references.ConclusionThe large quantitative value of radioactive [3H]-thymidine was more easily recognizable than that for non-radioactive CFSE and Ki-67. Even though the correlation was not significant, those identified to have <10% of normal proliferation by [3H]-thymidine could be consistently detected by CFSE and Ki-67, and consequently indicated for HSCT.
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spelling doaj.art-a16ace09b6e54ca2bb72a50c2396c14e2022-12-22T02:20:39ZengFrontiers Media S.A.Frontiers in Pediatrics2296-23602022-04-011010.3389/fped.2022.638549638549Comparison of [3H]-Thymidine, Carboxyfluorescein Diacetate Succinimidyl Ester and Ki-67 in Lymphocyte ProliferationHsin-Ju Lee0Chun-Chun Gau1Chun-Chun Gau2Chun-Chun Gau3Wan-Fang Lee4Wen-I Lee5Wen-I Lee6Jing-Long Huang7Jing-Long Huang8Jing-Long Huang9Shih-Hsiang Chen10Ho-Yu Yeh11Chi-Jou Liang12Shih-Hang Fu13Division of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, TaiwanDivision of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, TaiwanDepartment of Pediatrics, Chang Gung Memorial Hospital, Keelung, TaiwanDivision of Pediatric General Medicine, Department of Pediatrics, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taoyuan, TaiwanDivision of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, TaiwanDivision of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, TaiwanPrimary Immunodeficiency Care and Research (PICAR) Institute, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, TaiwanDivision of Allergy, Asthma, and Rheumatology, Department of Pediatrics, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, TaiwanPrimary Immunodeficiency Care and Research (PICAR) Institute, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, TaiwanDepartment of Pediatrics, New Taipei Municipal TuCheng Hospital, New Taipei City, TaiwanDivision of Hematology/Oncology, Department of Pediatrics, Chang Gung Memorial Hospital, Taoyuan, TaiwanPrimary Immunodeficiency Care and Research (PICAR) Institute, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, TaiwanPrimary Immunodeficiency Care and Research (PICAR) Institute, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, TaiwanPrimary Immunodeficiency Care and Research (PICAR) Institute, Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Taoyuan, TaiwanBackgroundPatients with T cell deficiency <10% of normal proliferation are indicated to receive immune reconstruction by hematopoietic stem cell transplantation (HSCT). This study aimed to investigate whether non-radioactive assays can be used to quantitatively detect the lymphocyte proliferation <10% of normal as radioactive [3H]-thymidine.”MethodsRadioactive [3H]-thymidine, non-radioactive carboxyfluorescein diacetate succinimidyl ester (CFSE), and Ki-67 protein expressions were used to measure the lymphocyte proliferation as calculated using the stimulation index (SI), subtraction percentage, and proliferation index (FlowJo software). Normal references were established for comparison in the absence of parallel healthy controls.ResultsNormal ranges of mitogen-stimulated lymphocyte proliferation were established as a SI of 15–267 (CSFE 47–92%, Ki-67 42–79%) with phytohemagglutinin (PHA) 5 μg/ml stimulation; 19–139 (CFSE 62–83%, 45–74% Ki-67) with concanavalin-A (ConA) 5 μg/ml stimulation; 7–53 (CFSE 6–23%, Ki-67 10–24%) with pokeweed mitogen (PWM) 0.1 ug/ml stimulation; 3–28 (CFSE 4–10%, Ki-67 5–14%) with candida 10 ug/ml stimulation; and 2–27 (CFSE 6–41%, Ki-67 6–30%) with bacille Calmette-Guerin (BCG) 0.02 ng/ml stimulation. The normalized CFSE-proliferation index was between 2.1 and 3.0. Although there was no significant correlation between these three assays in the healthy controls, the SI value for <10% [3H]-thymidine proliferation in those with T cell deficiency was compatible with CFSE- and Ki-67-stained lymphocyte percentages, and validated in patients with IL2RG, RAG1, and ZAP70 mutations. When calculating [3H]-thymidine <10% of normal lymphocyte proliferation, the threshold of parallel controls was more reliable than previously established normal references.ConclusionThe large quantitative value of radioactive [3H]-thymidine was more easily recognizable than that for non-radioactive CFSE and Ki-67. Even though the correlation was not significant, those identified to have <10% of normal proliferation by [3H]-thymidine could be consistently detected by CFSE and Ki-67, and consequently indicated for HSCT.https://www.frontiersin.org/articles/10.3389/fped.2022.638549/fullCFSE[3H]-thymidineKi-67lymphocyte proliferationprimary immunodeficiency diseasesproliferation index
spellingShingle Hsin-Ju Lee
Chun-Chun Gau
Chun-Chun Gau
Chun-Chun Gau
Wan-Fang Lee
Wen-I Lee
Wen-I Lee
Jing-Long Huang
Jing-Long Huang
Jing-Long Huang
Shih-Hsiang Chen
Ho-Yu Yeh
Chi-Jou Liang
Shih-Hang Fu
Comparison of [3H]-Thymidine, Carboxyfluorescein Diacetate Succinimidyl Ester and Ki-67 in Lymphocyte Proliferation
Frontiers in Pediatrics
CFSE
[3H]-thymidine
Ki-67
lymphocyte proliferation
primary immunodeficiency diseases
proliferation index
title Comparison of [3H]-Thymidine, Carboxyfluorescein Diacetate Succinimidyl Ester and Ki-67 in Lymphocyte Proliferation
title_full Comparison of [3H]-Thymidine, Carboxyfluorescein Diacetate Succinimidyl Ester and Ki-67 in Lymphocyte Proliferation
title_fullStr Comparison of [3H]-Thymidine, Carboxyfluorescein Diacetate Succinimidyl Ester and Ki-67 in Lymphocyte Proliferation
title_full_unstemmed Comparison of [3H]-Thymidine, Carboxyfluorescein Diacetate Succinimidyl Ester and Ki-67 in Lymphocyte Proliferation
title_short Comparison of [3H]-Thymidine, Carboxyfluorescein Diacetate Succinimidyl Ester and Ki-67 in Lymphocyte Proliferation
title_sort comparison of 3h thymidine carboxyfluorescein diacetate succinimidyl ester and ki 67 in lymphocyte proliferation
topic CFSE
[3H]-thymidine
Ki-67
lymphocyte proliferation
primary immunodeficiency diseases
proliferation index
url https://www.frontiersin.org/articles/10.3389/fped.2022.638549/full
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