Electromagnetic field-mediated chitosan/gelatin/nano-hydroxyapatite and bone-derived scaffolds regulate the osteoblastic and chondrogenic phenotypes of adipose-derived stem cells to construct osteochondral tissue engineering niche in vitro.
Research
RF Safe Research Library
Jan 1, 2024
This in vitro study examined how electromagnetic field (EMF) coupling parameters and field direction interact with 2D versus 3D culture environments to influence adipose-derived stem cell (ADSC) proliferation and osteogenic/chondrogenic differentiation. The abstract reports different “optimal” magnetic flux densities…
Osteogenic effect of electromagnetic fields on stem cells derived from rat bone marrow cultured in osteogenic medium versus conditioned medium in vitro.
Research
RF Safe Research Library
Jan 1, 2023
This in vitro study tested whether ELF-EMF exposure (50 Hz, 1 mT; 30 min/day) influences osteogenic differentiation markers in rat bone-marrow-derived stem cells cultured in osteogenic medium or in human adipose-stem cell-conditioned medium. The OM + EMF condition showed higher ALP activity and higher Runx2 and Ocn…
Improved osteogenic differentiation by extremely low electromagnetic field exposure: possible application for bone engineering.
Research
RF Safe Research Library
Jan 1, 2022
This in vitro study examined intermittent extremely low-frequency electromagnetic field (ELF-EMF) exposure (6 h/day) in human periodontal ligament mesenchymal stem cells during osteogenic differentiation. After 10 days, ELF-EMF-exposed cells showed increased proliferation and calcium deposition versus sham.…
Electromagnetic Fields Generated by the IteraCoil Device Differentiate Mesenchymal Stem Progenitor Cells Into the Osteogenic Lineage.
Research
RF Safe Research Library
Jan 1, 2022
This in vitro study exposed human adipose-derived mesenchymal stem progenitor cells to an alternating EMF generated by the IteraCoil device at 0.05 and 1 kHz. The authors report that EMF exposure was associated with osteoblastic differentiation in the absence of exogenous pro-osteogenic supplements, assessed by…
Sinusoidal electromagnetic fields accelerate bone regeneration by boosting the multifunctionality of bone marrow mesenchymal stem cells.
Research
RF Safe Research Library
Jan 1, 2021
This in vitro and rat study evaluated sinusoidal electromagnetic field (EMF) treatment of bone marrow mesenchymal stem cells (BMSCs) seeded on 3D-printed scaffolds for repairing critical-sized calvarial defects. The authors report that EMF-treated cell scaffolds accelerated bone defect repair in rats.…
Synergic effects of extremely low-frequency electromagnetic field and betaine on in vitro osteogenic differentiation of human adipose tissue-derived mesenchymal stem cells.
Research
RF Safe Research Library
Jan 1, 2021
This in vitro study tested 50 Hz, 1 mT ELF-EMF exposure (8 h/day for 21 days) and betaine (10 mM) during osteogenic induction of human adipose-derived mesenchymal stem cells. The authors report ELF-EMF decreased osteogenic differentiation and reduced RUNX2 and OCN gene expression compared with non-EMF conditions.…
Low-frequency electromagnetic fields combined with tissue engineering techniques accelerate intervertebral fusion.
Research
RF Safe Research Library
Jan 1, 2021
This in vitro and rat-model study evaluated sinusoidal low-frequency EMF combined with a PCL/nHA scaffold seeded with BMSCs for intervertebral fusion. The authors report enhanced osteogenic differentiation of BMSCs and pro-osteogenic effects of conditioned medium from EMF-treated BMSCs, with suggested involvement of…
Effects of electromagnetic fields treatment on rat critical-sized calvarial defects with a 3D-printed composite scaffold.
Research
RF Safe Research Library
Jan 1, 2020
This animal and in vitro study evaluated electromagnetic fields (EMF) treatment combined with a 3D-printed PLA/HA scaffold seeded with rat bone marrow mesenchymal stem cells (BMSCs) for cranial defect repair. The authors report that EMF enhanced BMSC proliferation and osteogenic differentiation and was partly…
Osteoinductivity of polycaprolactone nanofibers grafted functionalized with carboxymethyl chitosan: Synergic effect of β-carotene and electromagnetic field.
Research
RF Safe Research Library
Jan 1, 2020
This in vitro study developed carboxymethyl chitosan (CMC)-grafted polycaprolactone (PCL) nanofiber scaffolds for bone tissue engineering. It reports mineralization and osteonectin expression in adipose mesenchymal stem cells cultured on the scaffolds, suggesting osteoinductive properties of the grafted CMC. The…
Electromagnetic field treatment increases purinergic receptor P2X7 expression and activates its downstream Akt/GSK3β/β-catenin axis in mesenchymal stem cells under osteogenic induction.
Research
RF Safe Research Library
Jan 1, 2019
This study examined how electromagnetic field (EMF) treatment influences osteogenic differentiation mechanisms in human bone marrow mesenchymal stem cells and tested a combined therapy in an ovariectomized rat osteoporosis model. The authors report that EMF exposure increased P2X7 receptor expression during…
The legacy effects of electromagnetic fields on bone marrow mesenchymal stem cell self-renewal and multiple differentiation potential.
Research
RF Safe Research Library
Jan 1, 2018
This animal study examined whether electromagnetic field (EMF) pretreatment has lasting (“legacy”) effects on rat bone marrow mesenchymal stem cells (BMSCs) and whether EMF-pretreated BMSC sheets improve fracture nonunion healing in rats. The authors report increased BMSC proliferation and enhanced…
Enhancement of osteogenic differentiation of rat adipose tissue-derived mesenchymal stem cells by zinc sulphate under electromagnetic field via the PKA, ERK1/2 and Wnt/β-catenin signaling pathways.
Research
RF Safe Research Library
Jan 1, 2017
This in vitro study examined rat adipose-derived mesenchymal stem cells exposed to zinc sulphate in the presence of an ELF electromagnetic field (50 Hz, 20 mT). The authors report increased osteogenic differentiation markers (gene expression, ALP activity, and calcium levels) under combined ZnSO4+EMF conditions,…
[Effects of static magnetic field at different times on the proliferation and differentiation of osteoblasts in vitro].
Research
RF Safe Research Library
Jan 1, 2012
This in vitro study exposed newborn rat calvarial osteoblasts to a 3.9 mT static magnetic field for varying durations (0–4 hours). The authors report increased cell proliferation and markers of osteoblast differentiation and mineralization versus control, including higher ALP activity, calcium content, and…