Glutamate and Glutamate Receptors in Health and Diseases, Second Edition

A special issue of Biomolecules (ISSN 2218-273X). This special issue belongs to the section "Molecular Biology".

Deadline for manuscript submissions: 31 August 2025 | Viewed by 1129

Special Issue Editors


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Guest Editor
Department of Pharmacology and Pharmacodynamics, Medical University, Chodzki 4A, 20-093 Lublin, Poland
Interests: pharmacology; central nervous system; addiction; pain; learning and memory; anxiety; depression; glutamate receptors
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Experimental and Clinical Pharmacology, Medical University of Lublin, 20-059 Lublin, Poland
Interests: pharmacology; central nervous system; memory; addiction; glutamate; metabotropic glutamate receptors
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The history of glutamate as a neurotransmitter began with T. Hayashi in 1952 when he reported that glutamate injections into dog cerebral ventricles induced seizures. Since then, it has become clear that glutamate is a major excitatory neurotransmitter in the mammalian central nervous system (CNS) and is essential for proper neuronal development, synaptic plasticity, and learning and memory. It acts through the activation of glutamate receptors that are subdivided into the following two classes: ionotropic receptors, which act as ion channels (AMPA, NMDA, and kainate receptors), and metabotropic receptors (mGluRs), which belong to the GPCRs that modulate the cascades of intracellular second messengers. Disturbances in glutamatergic function have been implicated in the pathophysiology of several neuropsychiatric disorders, including schizophrenia, drug abuse and addiction, autism, and depression, as well as in neurodegenerative diseases that were until recently poorly understood.

This Special Issue aims to collect research papers and reviews that focus on the role of glutamate or its receptors in CNS diseases. The intent is to provide novel mechanistic insights into the function of glutamate and glutamate receptors and their translational value for human diseases. We hope that this research can identify new potential pharmacological targets for therapy.

Prof. Dr. Jolanta H. Kotlińska
Dr. Marta Marszalek-Grabska
Guest Editors

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Keywords

  • glutamate receptors
  • addiction
  • pain
  • learning and memory
  • anxiety
  • depression
  • autism
  • neurodegeneration

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Published Papers (1 paper)

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Review

28 pages, 2768 KiB  
Review
Pleiotropic Effects of Grm7/GRM7 in Shaping Neurodevelopmental Pathways and the Neural Substrate of Complex Behaviors and Disorders
by Beatrix M. Gyetvai and Csaba Vadasz
Biomolecules 2025, 15(3), 392; https://doi.org/10.3390/biom15030392 - 8 Mar 2025
Viewed by 715
Abstract
Natural gene variants of metabotropic glutamate receptor subtype 7 (Grm7), coding for mGluR7, affect individuals’ alcohol-drinking preference. Psychopharmacological investigations have suggested that mGluR7 is also involved in responses to cocaine, morphine, and nicotine exposures. We review the pleiotropic effects of Grm7 [...] Read more.
Natural gene variants of metabotropic glutamate receptor subtype 7 (Grm7), coding for mGluR7, affect individuals’ alcohol-drinking preference. Psychopharmacological investigations have suggested that mGluR7 is also involved in responses to cocaine, morphine, and nicotine exposures. We review the pleiotropic effects of Grm7 and the principle of recombinant quantitative trait locus introgression (RQI), which led to the discovery of the first mammalian quantitative gene accounting for alcohol-drinking preference. Grm7/GRM7 can play important roles in mammalian ontogenesis, brain development, and predisposition to addiction. It is also involved in other behavioral phenotypes, including emotion, stress, motivated cognition, defensive behavior, and pain-related symptoms. This review identified pleiotropy and the modulation of neurobehavioral processes by variations in the gene Grm7/GRM7. Patterns of pleiotropic genes can form oligogenic architectures whosecombined additive and interaction effects can significantly predispose individuals to the expressions of disorders. Identifying and characterizing pleiotropic genes are necessary for understanding the expressions of complex traits. This requires tasks, such as discovering and identifying novel genetic elements of the genetic architecture, which are unsuitable for AI but require classical experimental genetics. Full article
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