Effects of novel antidepressant drugs on mesenchymal stem cell physiology.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

It is known that users of psychotropic drugs often have weight gain, adverse effects on bone mineral density and osteoporosis, but the molecular basis for these side effects is poorly understood. The aim of this study is to evaluate the effects in vitro of duloxetine (a serotonin and norepinephrine reuptake inhibitor) and fluoxetine (a selective serotonin reuptake inhibitor) on the physiology of human adult stem cells. Adipose-derived stem cells (ADSCs) were isolated and characterized investigating phenotype morphology, expression and frequency of surface markers. Then, a non-toxic concentration of duloxetine and fluoxetine was selected to treat cells during adipogenic and osteogenic differentiation. Stemness properties and the differentiation potential of drug-treated cells were investigated by the quantification of adipogenic and osteogenic markers gene expression and histological staining. The collected data showed that the administration of a daily non-toxic dose of duloxetine and fluoxetine has not directly influenced ADSCs proliferation and their stemness properties. The treatment with duloxetine or fluoxetine did not lead to morphological alterations during adipogenic or osteogenic commitment. However, treatments with the antidepressant showed a slight difference in adipogenic gene expression timing. Furthermore, duloxetine treatment caused an advance in gene expression

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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