Glycolytic metabolism: Food for immune cells, fuel for depression?

炎症 免疫系统 糖酵解 全身炎症 抗抑郁药 重性抑郁障碍 萧条(经济学) 髓样 免疫学 神经科学 医学 生物 生物信息学 新陈代谢 内科学 海马体 扁桃形结构 经济 宏观经济学
作者
Mandakh Bekhbat
出处
期刊:Brain, Behavior, & Immunity - Health [Elsevier BV]
卷期号:40: 100843-100843 被引量:1
标识
DOI:10.1016/j.bbih.2024.100843
摘要

Inflammation is one biological pathway thought to impact the brain to contribute to major depressive disorder (MDD) and is reliably associated with resistance to standard antidepressant treatments. While peripheral immune cells, particularly monocytes, have been associated with aspects of increased inflammation in MDD and symptom severity, significant gaps in knowledge exist regarding the mechanisms by which these cells are activated to contribute to behavioral symptoms in MDD. One concept that has gained recent appreciation is that metabolic rewiring to glycolysis in activated myeloid cells plays a crucial role in facilitating these cells' pro-inflammatory functions, which may underlie myeloid contribution to systemic inflammation and its effects on the brain. Given emerging evidence from translational studies of depression that peripheral monocytes exhibit signs of glycolytic activation, better understanding the immunometabolic phenotypes of monocytes which are known to be elevated in MDD with high inflammation is a critical step toward comprehending and treating the impact of inflammation on the brain. This narrative review examines the extant literature on glycolytic metabolism of circulating monocytes in depression and discusses the functional implications of immunometabolic shifts at both cellular and systemic levels. Additionally, it proposes potential therapeutic applications of existing immunomodulators that target glycolysis and related metabolic pathways in order to reverse the impact of elevated inflammation on the brain and depressive symptoms.
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