Finding intestinal fortitude: Integrating the microbiome into a holistic view of depression mechanisms, treatment, and resilience.

Abstract:

:Depression affects at least 322 million people globally, or approximately 4.4% of the world's population. While the earnestness of researchers and clinicians to understand and treat depression is not waning, the number of individuals suffering from depression continues to increase over and above the rate of global population growth. There is a sincere need for a paradigm shift. Research in the past decade is beginning to take a more holistic approach to understanding depression etiology and treatment, integrating multiple body systems into whole-body conceptualizations of this mental health affliction. Evidence supports the hypothesis that the gut microbiome, or the collective trillions of microbes inhabiting the gastrointestinal tract, is an important factor determining both the risk of development of depression and persistence of depressive symptoms. This review discusses recent advances in both rodent and human research that explore bidirectional communication between the gut microbiome and the immune, endocrine, and central nervous systems implicated in the etiology and pathophysiology of depression. Through interactions with circulating inflammatory markers and hormones, afferent and efferent neural systems, and other, more niche, pathways, the gut microbiome can affect behavior to facilitate the development of depression, exacerbate current symptoms, or contribute to treatment and resilience. While the challenge of depression may be the direst mental health crisis of our age, new discoveries in the gut microbiome, when integrated into a holistic perspective, hold great promise for the future of positive mental health.

journal_name

Neurobiol Dis

journal_title

Neurobiology of disease

authors

Flux MC,Lowry CA

doi

10.1016/j.nbd.2019.104578

subject

Has Abstract

pub_date

2020-02-01 00:00:00

pages

104578

eissn

0969-9961

issn

1095-953X

pii

S0969-9961(19)30246-3

journal_volume

135

pub_type

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