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. 2021:1305:175-202.
doi: 10.1007/978-981-33-6044-0_11.

A Load to Find Clinically Useful Biomarkers for Depression

Matea Nikolac Perkovic  1 , Marina Sagud  2   3 , Lucija Tudor  1 , Marcela Konjevod  1 , Dubravka Svob Strac  1 , Nela Pivac  4
Affiliations

A Load to Find Clinically Useful Biomarkers for Depression

Matea Nikolac Perkovic et al. Adv Exp Med Biol. 2021.

Abstract

Depression is heterogeneous and complex disease with diverse symptoms. Its neurobiological underpinning is still not completely understood. For now, there are still no validated, easy obtainable, clinically useful noninvasive biomarker(s) or biomarker panel that will be able to confirm a diagnosis of depression, its subtypes and improve diagnostic procedures. Future multimodal preclinical and clinical research that involves (epi)genetic, molecular, cellular, imaging, and other studies is necessary to advance our understanding of the role of monoamines, GABA, HPA axis, neurotrophins, metabolome, and glycome in the pathogenesis of depression and their potential as diagnostic, prognostic, and treatment response biomarkers. These studies should be focused to include the first-episode depression and antidepressant drug-naïve patients with large sample sizes to reduce variability in different biological and clinical parameters. At present, metabolomics study revealed with high precision that a neurometabolite panel consisting of plasma metabolite biomarkers (GABA, dopamine, tyramine, kynurenine) might represent clinically useful biomarkers of MDD.

Keywords: BDNF; Biomarkers; Depression; Dopamine; GABA; Glycomics; HPA axis; Metabolomics; Norepinephrine; Serotonin.

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