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The Roles of Histamine and Its Receptor Ligands in Central Nervous System Disorders

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Neurobiology".

Deadline for manuscript submissions: closed (29 February 2024) | Viewed by 1661

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Department of Neurosciences, Psychology, Drug Research and Child Health (NEUROFARBA)—Pharmacology and Toxicology Session, University of Florence (UNIFI), 50139 Florence, Italy
Interests: neuropharmacology; neuroscience; drug discovery; brain histamine; brain carbonic anhydrases; oxytocin
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Special Issue Information

Dear Colleagues, 

Despite the early diffidence in accepting the existence of a brain histaminergic system, its cardinal role in regulating several aspects of behavior is now well established. Indeed, this amine is crucial in maintaining arousal and plays a significant role in regulating circadian rhythms, energy, endocrine homeostasis, motor behavior, and cognition. Recent evidence suggests that histamine plays an important role in multiple central nervous system (CNS) disorders, including insomnia, narcolepsy, neurodegenerative diseases (Parkinson's and Alzheimer's diseases), schizophrenia, cerebral ischemia, and Tourette syndrome. New insights are emerging into the potential roles of histamine receptors as targets for the treatment of these diseases. Although some histaminergic ligands have failed in clinical trials, current preclinical studies suggest that this neurotransmitter may still have extensive applications in treating CNS disorders; nevertheless, advanced studies are warranted. This Special Issue welcomes findings from molecular research on the role of histamine and its receptor ligands in CNS disorders, including the development of novel histamine receptor ligands, with the goal of gaining an in-depth understanding of their potential mechanisms, cell-type role, and neural circuitry involved.

Dr. Gustavo Provensi
Guest Editor

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Keywords

  • histamine
  • histamine receptor
  • neurodegenerative diseases
  • sleep disorders
  • neuropsychiatric disorders
  • schizophrenia
  • cognition
  • heterogeneity
 

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Published Papers (1 paper)

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Research

16 pages, 3955 KiB  
Article
Evaluation of Some Safety Parameters of Dual Histamine H3 and Sigma-2 Receptor Ligands with Anti-Obesity Potential
by Kamil Mika, Małgorzata Szafarz, Marek Bednarski, Agata Siwek, Katarzyna Szczepańska, Katarzyna Kieć-Kononowicz and Magdalena Kotańska
Int. J. Mol. Sci. 2023, 24(8), 7499; https://doi.org/10.3390/ijms24087499 - 19 Apr 2023
Viewed by 1285
Abstract
Many studies have shown the high efficacy of histamine H3 receptor ligands in preventing weight gain. In addition to evaluating the efficacy of future drug candidates, it is very important to assess their safety profile, which is established through numerous tests and [...] Read more.
Many studies have shown the high efficacy of histamine H3 receptor ligands in preventing weight gain. In addition to evaluating the efficacy of future drug candidates, it is very important to assess their safety profile, which is established through numerous tests and preclinical studies. The purpose of the present study was to evaluate the safety of histamine H3/sigma-2 receptor ligands by assessing their effects on locomotor activity and motor coordination, as well as on the cardiac function, blood pressure, and plasma activity of certain cellular enzymes. The ligands tested at a dose of 10 mg/kg b.w. did not cause changes in locomotor activity (except for KSK-74) and did not affect motor coordination. Significant reductions in blood pressure were observed after the administration of compounds KSK-63, KSK-73, and KSK-74, which seems logically related to the increased effect of histamine. Although the results of in vitro studies suggest that the tested ligands can block the human ether-a-go-go-related gene (hERG) potassium channels, they did not affect cardiac parameters in vivo. It should be noted that repeated administration of the tested compounds prevented an increase in the activity of alanine aminotransferase (AlaT) and gamma-glutamyl transpeptidases (gGT) observed in the control animals fed a palatable diet. The obtained results show that the ligands selected for this research are not only effective in preventing weight gain but also demonstrate safety in relation to the evaluated parameters, allowing the compounds to proceed to the next stages of research. Full article
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