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Optimizing Alternating Current Electrical Stimulation Parameters To Enhance Osteoblasts Differentiation.

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Optimizing Alternating Current Electrical Stimulation Parameters To Enhance Osteoblasts Differentiation.

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Optimizing Alternating Current Electrical Stimulation Parameters to Enhance Osteoblasts Differentiation.

Jesús Bocio-Núñez^1,2, Mª José Montoya-García^3,4, Mª Ángeles Vázquez-Gámez^3,4

¹UGC Medicina Interna, Hospital Universitario Virgen Macarena, Seville, Spain.

Biofactors (Oxford, England)

|April 13, 2026

View abstract on PubMed

Summary

This summary is machine-generated.

Alternating current electrostimulation (AC ES) enhances osteoblastic cell differentiation and bone regeneration. Optimal results for MC3T3-E1 cells were achieved at 10 Hz and 500-750 mV/mm, promoting cell viability and osteogenic gene expression.

Keywords:

MC3T3‐E1 alternating current electric‐stimulation osteoblasts tissue engineering

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Published on: January 31, 2019

Area of Science:

Bioengineering and Biomedicine
Cellular Biology
Biomaterials Science

Background:

Electrical stimulation (ES) is a promising technique for bone regeneration and cell differentiation.
Alternating current (AC) ES generates oscillating electric fields that influence cell behavior.
Understanding AC ES effects on osteoblastic cells is crucial for therapeutic applications.

Purpose of the Study:

To investigate the impact of AC electrostimulation on osteoblastic cell proliferation, differentiation, and morphology.
To determine the optimal frequency and amplitude of AC ES for MC3T3-E1 cell differentiation.
To evaluate the effects of AC ES on key osteogenic markers and cell structure.

Main Methods:

MC3T3-E1 cells were subjected to daily AC ES for 14 days at various frequencies (1 Hz to 1 kHz) and amplitudes (125 to 1500 mV/mm).

Cell viability was assessed using AlamarBlue assay.

Alkaline phosphatase (ALP) activity, gene expression (RUNX2, OSX, ALP, OPG, RANKL) via RT-PCR, and cell morphology via immunofluorescence were evaluated.

Main Results:

Cell viability and ALP activity were optimal at 10 Hz.
AC ES at 10 Hz and 500-750 mV/mm significantly increased osteogenic gene expression and differentiation.
Morphological studies at 10 Hz and 500 mV showed increased cell area, pseudopodia length, and number.

Conclusions:

The optimal condition for differentiating MC3T3-E1 cells using AC ES is 10 Hz at 500-750 mV/mm.
AC ES is a viable and effective method for promoting osteoblastic cell differentiation and maturation.
This technique holds significant potential for applications in bone regeneration and tissue engineering.