Methylphenidate promotes premature growth plate closure: in vitro evidence
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Methylphenidate promotes premature growth plate closure: in vitro evidenceAutor(es)
Fecha
2023-02-20Cita bibliográfica
Pazos-Pérez A, Piñeiro-Ramil M, Franco-Trepat E, Guillán-Fresco M, López-López V, Jorge-Mora A, Alonso-Pérez A, Gómez R. Methylphenidate promotes premature growth plate closure: in vitro evidence. Int J Mol Sci. 2023 Feb 20;24(4):4175.
Resumen
[Abstract] It is well known that patients with attention deficit hyperactivity disorder treated with stimulants, such as methylphenidate hydrochloride (MPH), have reduced height and weight. Even though MPH has an anorexigenic effect, an additional impact of this drug on the growth plate cannot be discarded. In this study, we aimed to determine the cellular effect of MPH on an in vitro growth plate model. We tested the effects of MPH on the viability and proliferation of a prechondrogenic cell line via an MTT assay. In vitro differentiation of this cell line was performed, and cell differentiation was evaluated through the expression of cartilage- and bone-related genes as measured via RT-PCR. MPH did not alter the viability or proliferation of prechondrogenic cells. However, it reduced the expression of cartilage extracellular matrix-related genes (type II collagen and aggrecan) and increased the expression of genes involved in growth plate calcification (Runx2, type I collagen, and osteocalcin) at different phases of their differentiation process. Our results evidence that MPH upregulates genes associated with growth plate hypertrophic differentiation. This may induce premature closure of the growth plate, which would contribute to the growth retardation that has been described to be induced by this drug.
Palabras clave
ADHD
Bone
Cartilage
Chondrocytes
Endochondral ossification
Stimulants
Bone
Cartilage
Chondrocytes
Endochondral ossification
Stimulants
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Creative Commons Attribution 4.0 International License (CC-BY 4.0)
ISSN
1422-0067