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Analysis of the TREC and KREC Levels in the Dried Blood Spots of Healthy Newborns with Different Gestational Ages and Weights
Authors
M. A. Bolkov
D. A. Cheremokhin
+4 more
S. S. Deryabina
D. A. Kudlay
K. Shinwari
I. A. Tuzankina
Publication date
1 January 2022
Publisher
'Acta Naturae Ltd'
Doi
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on
PubMed
Abstract
Inborn errors of immunity can be detected by evaluating circular DNA (cDNA) fragments of T-and B-cell receptors (TREC and KREC) resulting from the receptor gene rearrangement in T and B cells. Maturation and activation of the fetal immune system is known to proceed gradually according to the gestational age, which highlights the importance of the immune status in premature infants at different gestational ages. In this article, we evaluated TREC and KREC levels in infants of various gestational ages by real-time PCR with taking into account the newborn’s weight and sex. The 95% confidence intervals for TREC and KREC levels (expressed in the number of cDNA copies per 105 cells) were established for different gestational groups. The importance of studying immune system development in newborns is informed by the discovered dependence of the level of naive markers on the gestational stage in the early neonatal period. © 2022 National Research University Higher School of Economics. This is an open access article distributed under the Creative Commons Attribution License,which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
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Last time updated on 24/10/2022