Inflammation and Mental Health

A special issue of Brain Sciences (ISSN 2076-3425). This special issue belongs to the section "Psychiatric Diseases".

Deadline for manuscript submissions: 25 January 2025 | Viewed by 739

Special Issue Editor


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Guest Editor
New York State Psychiatric Institute, 1051 Riverside Drive, New York, NY 10032, USA
Interests: inflammation; obesity; psychosis; child psychiatry; neurodevelopment; mood and anxiety disorders; imaging

Special Issue Information

Dear Colleagues,

Inflammation, coined by the Roman medical writer Celsus, is one of the oldest extant concepts in medicine. Understanding its role in infection has yielded some of the most profound successes over the last 150 years.

Behavioral change and depression can follow infection. Treatments that modulate inflammation, like corticosteroids, are related to mood and psychotic symptoms, and depression appears to impact the inflammatory response to stress. Early adversity can cause inflammatory changes related to diverse behavioral outcomes as well as macrostructural, microstructural, and functional brain modifications. At a genetic and epigenetic level, differences in HLA subtype confer vulnerability to psychotic illness, and methylation of immune response genes may predispose to psychiatric and addictive illness.

Still, these findings do not yet cohere in an actionable way to assist in the treatment of psychiatric illness, and trials of immunomodulatory drugs are only partially successful. The details of how inflammation impacts mental health has yet to be completely elucidated.

In this Special Issue, we are looking for original research, reviews, and meta-analyses in the realms of epidemiology, neuroscience, molecular biology, and neuroimaging to fill this gap by exploring the relationship of inflammation with obesity, mental illness, and substance use on a humoral, neural, genetic, and epigenetic level.

Dr. Lawrence Maayan
Guest Editor

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Keywords

  • inflammation
  • HPA axis
  • CRP
  • interleukin
  • FKBP
  • HLA/MHC
  • cytokines
  • neuroinflammation
  • psychiatric illness
  • obesity
  • substance use disorder

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Published Papers (1 paper)

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Research

16 pages, 957 KiB  
Article
Low-Grade Inflammation Associated with Major Depression Subtypes: A Cross-Sectional Study
by Veronique Bernier, Ghada Alsaleh, Camille Point, Benjamin Wacquier, Jean-Pol Lanquart, Gwenolé Loas and Matthieu Hein
Brain Sci. 2024, 14(9), 850; https://doi.org/10.3390/brainsci14090850 - 23 Aug 2024
Viewed by 540
Abstract
Major depressive disorder (MDD) is associated with inflammation and a high level of comorbidities. Atypical depression (AD) is a MDD subtype based on DSM criteria, that could have specific underlying biological mechanisms. AD is associated with elevated cardiovascular (CVD) comorbidities, higher risk of [...] Read more.
Major depressive disorder (MDD) is associated with inflammation and a high level of comorbidities. Atypical depression (AD) is a MDD subtype based on DSM criteria, that could have specific underlying biological mechanisms. AD is associated with elevated cardiovascular (CVD) comorbidities, higher risk of suicide attempts, hypersomnia, and anxiety disorder. In this study, we aim to investigate if AD and polysomnographic parameters could be associated with low-grade inflammation (LGI). LGI is defined by a range from 3 to 10 mg/L of C-reactive protein levels. We carried out a retrospective cohort study in which 765 individuals with MDD were split into two groups: with and without LGI. Our results exhibit differences between the groups for the polysomnographic parameters, with the LGI group showing parameters already associated with inflammation such as reduced rapid eye movement sleep and elevated hypoxemia markers (identified as CVD risk factor). We found that AD is associated with LGI (OR 1.48; p = 0.047) after adjustment. Likewise, we found an LGI prevalence in AD higher (34.8%) than in MDD without atypical features (26.8%). Overall, these results confirm the low-grade inflammation feature of AD and highlight polysomnographic parameters associated with LGI that could also act as risk factors in this context. Full article
(This article belongs to the Special Issue Inflammation and Mental Health)
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