Evidence map›Paper›PMID 40717730›Full record

ArticleAIMS neuroscience2025

Use of Transglutaminase 2 mRNA expression in peripheral blood mononuclear cells in patients with Radiologically Isolated Syndrome as a neuroinflammation biomarker: A preliminary study.

Rosa Giacca, Miriana Conte, Alessandro d'Ambrosio, Alvino Bisecco, Renato Docimo, Mario Risi, Manuela Altieri, Riccardo Borgo, Rosario Domenico Melisi, Vittorio Gentile and 1 more

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Article in AIMS neuroscience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

11 authors.

Rosa GiaccaDepartment of Precision Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy.
Miriana ConteFirst Division of Neurology and Neurophysiopathology, AOU "Luigi Vanvitelli", Naples, Italy.
Alessandro d'AmbrosioFirst Division of Neurology and Neurophysiopathology, AOU "Luigi Vanvitelli", Naples, Italy.
Alvino BiseccoFirst Division of Neurology and Neurophysiopathology, AOU "Luigi Vanvitelli", Naples, Italy.
Renato DocimoFirst Division of Neurology and Neurophysiopathology, AOU "Luigi Vanvitelli", Naples, Italy.
Mario RisiDepartment of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy.
Manuela AltieriFirst Division of Neurology and Neurophysiopathology, AOU "Luigi Vanvitelli", Naples, Italy.
Riccardo BorgoDepartment of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy.
Rosario Domenico MelisiDepartment of Advanced Medical and Surgical Sciences, University of Campania "Luigi Vanvitelli", Naples, Italy.
Vittorio GentileDepartment of Precision Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy.
Antonio GalloFirst Division of Neurology and Neurophysiopathology, AOU "Luigi Vanvitelli", Naples, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The calcium-dependent enzyme Transglutaminase 2 (TG2) (E.C. 2.3.2.13), which can promote post-translational modifications of proteins, is involved in several physiological processes, including development, neuronal cell death, and differentiation, as well as synaptic plasticity and transmission in the central nervous system (CNS). Several studies highlight the potential role of the TG2/NF-κB activation pathway in neurodegenerative diseases, including Multiple Sclerosis (MS), and the neuroinflammation that is associated with these conditions. The cross-linking activity of TG2, facilitating the formation of isopeptide bonds between glutamine and lysine residues, appears to be involved in forming protein aggregate deposits in these pathological conditions. Specifically, in the chronic neuroinflammation of MS, TG2 seems to play a central role in the fibrotic process of the lesion. Several potential biomarkers have been investigated for the prognosis and monitoring of MS, but no researchers have explored the presence of potential inflammatory signals in peripheral blood mononuclear cells (PBMCs) during the presymptomatic stage of MS, known as Radiologically Isolated Syndrome (RIS), on account of the lack of information regarding its pathological aspects. Since researchers have demonstrated a correlation between TG2 mRNA levels in PBMCs and the clinical and radiological progression of MS, we aimed to evaluate the expression levels of TG2 in RIS patients, comparing them with those in relapsing-remitting MS (RRMS) patients and healthy controls (HCs) using real-time PCR analysis. Preliminary data showed that RIS patients exhibit lower TG2 mRNA expression levels compared to RRMS patients, while no difference in TG2 mRNA expression being observed between RIS patients and HCs. This suggests that RIS patients exhibit a lower neuroinflammation grade than RRMS patients and that TG2 may represent a potential biochemical marker for assessing neuroinflammation associated with this disease. Future investigations may include longitudinal assessments of the potential role of TG2 mRNA blood levels in predicting or monitoring the progression from RIS to MS.

Indexed as

biomarkermultiple sclerosisneuroinflammationradiologically isolated syndrometransglutaminase 2

Identifiers

PMID40717730
PMCPMC12287637

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