Lipids and mental disorders: Evidence, uncertainties and perspectives.

[Lipids and mental disorders: Evidence, uncertainties and perspectives]. Psychiatriki. 2019 Apr-Jun;30(2):129-141 Authors: Theodoropoulou S, Gialouris AG Abstract Brain is an organ with the highest lipid concentration in the body. Cellular membrane lipids can affect both the positioning and the functioning of membrane proteins, thus regulating several cell actions. Changes in the lipid composition of cell membrane can modulate the microenvironment and consequently the function of its proteins, e.g. neurotransmission. Some of the first studies on the subject have shown a negative correlation between serum cholesterol levels and depression, suicidality and behavioral disorders. Several studies -but not all- have found decreased concentrations of ω-3 polyunsaturated fatty acids (ω-3-PUFA) in plasma or erythrocyte membranes of patients with depression, bipolar disorder or after a suicide attempt. In some cases, positive results after their administration have been reported. The effect of ω-3-PUFA in affective disorders is attributed to their action on neurotransmission, neuroplasticity as well as to their anti-inflammatory and anti-oxidative properties. Besides, decreased levels of ω-3-PUFA have been found in erythrocytes or platelets of schizophrenic patients. Some studies have shown in schizophrenics an increased rate of membrane phospholipids breakdown and a decreased ratio of ω-3-PUFA incorporation in phospholipids, possibly ...
Source: Psychiatriki - Category: Psychiatry Tags: Psychiatriki Source Type: research

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