ISSN 0300-9092 (Print)
ISSN 2412-5679 (Online)

Neonatal screening in the genomic era: expanding the capabilities of tandem mass spectrometry

Eldarov Ch.M., Chagovets V.V., Novoselova A.V., Tokareva A.O., Frankevich V.E.

1) Academician V.I. Kulakov National Medical Research Centre for Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, Moscow, Russia; 2) Siberian State Medical University, Ministry of Health of Russia, Tomsk, Russia

Neonatal or newborn screening (NBS) represents a cornerstone of preventive pediatrics and it is aimed at the early detection of severe inherited disorders to enable timely intervention and improve clinical outcomes. This review examines in detail the historical development, modern methods, global differences and promising areas of development of NBS. The practice of NBS originated in the 1960s and was further developed in the 1970s and 1980s. In the 1990s, it underwent a qualitative improvement with the introduction of tandem mass spectrometry, which allows for simultaneous analysis of several metabolites. This technology has become the global gold standard. Modern diagnostic methods include the simultaneous detection of dozens of metabolites and their ratios for more than 50 pathologies, including multiplex approaches that combine several techniques. In order to improve specificity, the researchers use a comprehensive ranking system for metabolites, as well as strategies for additional second-tier testing using liquid chromatography-mass spectrometry (LC-MS/MS) or genetic methods. With the development of sequencing technologies, their role as first- and second-tier testing, including whole-genome and whole-exome studies, has increased. The use of omics technologies aimed at creating metabolic fingerprints and detecting biomarkers including new ones has expanded. Artificial intelligence and machine learning demonstrate significant potential in reducing the number of false positives and improving the quality of data interpretation.
Conclusion: The ethical aspects of genomic screening, the psychological impact of false positive results, and the need to address global inequalities in access to basic and advanced NBS services still remain unresolved.

Authors’ contributions: Eldarov Ch.M., Chagovets V.V., Novoselova A.V., Tokareva A.O., Frankevich V.E. – developing the concept of the study, writing the original text, reviewing and editing the text. All the authors read and agreed to the publication of the material.
Conflicts of interest: The authors claim that the study was conducted in the absence of any commercial or financial relationships that could be interpreted as a potential conflict of interest.
Funding: The study was performed within the framework of the state assignment of the Ministry of Health of the Russian Federation (registration number 125050605833-4).
For citation: Eldarov Ch.M., Chagovets V.V., Novoselova A.V., Tokareva A.O., Frankevich V.E. 
Neonatal screening in the genomic era: expanding the capabilities of tandem mass spectrometry.
Akusherstvo i Ginekologiya/Obstetrics and Gynecology. 2025; (12): 45-52 (in Russian)
https://dx.doi.org/10.18565/aig.2025.287

Keywords

neonatal screening
tandem mass spectrometry
congenital metabolic disorders
dried blood spots

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Received 10.10.2025

Accepted 10.12.2025

About the Authors

Chupalav M. Eldarov, Senior Researcher at the Laboratory of Metabolomics and Bioinformatics, Academician V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, 117997, Russia, Moscow, Ac. Oparin str., 4, chup4lav@yandex.ru, https://orcid.org/0000-0003-4027-6469
Vitaliy V. Chagovets, PhD, Head of the Laboratory of Metabolomics and Bioinformatics, Academician V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, 117997, Russia, Moscow, Ac. Oparin str., 4, vvchagovets@gmail.com, https://orcid.org/0000-0002-5120-376X
Anastasia V. Novoselova, Researcher at the Laboratory of Metabolomics and Bioinformatics, Academician V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, 117997, Russia, Moscow, Ac. Oparin str., 4, a_novoselova@oparina4.ru
Alisa O. Tokareva, PhD, Specialist at the Laboratory of Clinical Proteomics, Academician V.I. Kulakov National Medical Research Center of Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, 117997, Russia, Moscow, Ac. Oparin str., 4, alisa.tokareva@phystech.edu, https://orcid.org/0000-0001-5918-9045
Vladimir E. Frankevich, Dr. Sci. (in Physics and Mathematics), Director of the Institute of Translational Medicine, Academician V.I. Kulakov National Medical Research Center for Obstetrics, Gynecology and Perinatology, Ministry of Health of Russia, 117997, Russia, Moscow, Ac. Oparin str., 4; Leading Researcher at the Laboratory
of Translational Medicine, Siberian State Medical University, Ministry of Health of Russia, 634050, Russia, Tomsk, Moskovsky tract, 2, v_vfrankevich@oparina4.ru,
https://orcid.org/0000-0002-9780-4579
Corresponding author: Vladimir E. Frankevich, v_frankevich@oparina4.ru