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Showing results for: mesenchymal stem cells

EMF-induced mesenchymal stem cell migration is mediated by SOCE-dependent calcium influx and modulated by ROCK signaling.

Research RF Safe Research Library Jan 1, 2026

This in vitro study exposed rat bone marrow-derived mesenchymal stem cells to a 50 Hz, 5 mT sinusoidal EMF and assessed migration and signaling mechanisms. The authors report increased MSC migration that depended on extracellular Ca²⁺ influx and was abolished by SOCE inhibition, alongside increased Orai1 expression…

Low-Frequency Electromagnetic Fields Enhance the Directional Migration of Mesenchymal Stem Cells.

Research RF Safe Research Library Jan 1, 2025

This in vitro study examined whether low-frequency electromagnetic fields (EMF) affect mesenchymal stem cell (MSC) polarity and directional migration at wound edges. EMF-treated cells showed increased asymmetric redistribution of the polarity marker β-COP and altered γ-tubulin localization at wound margins. The…

Electromagnetic field (50 Hz) enhance metabolic potential and induce adaptive/reprogramming response mediated by the increase of N6-methyladenosine RNA methylation in adipose-derived mesenchymal stem cells in vitro.

Research RF Safe Research Library Jan 1, 2024

This in vitro study exposed adipose-derived mesenchymal stem cells to a 50 Hz electromagnetic field (1.5 mT) for 24 and 48 hours and assessed cellular responses. After 24 hours, the authors report increased N6-methyladenosine RNA methylation, increased expression of multiple stem cell markers, and changes in p21 and…

The Effect of Low-Frequency Pulsed Electromagnetic Fields on the Differentiation of Permanent Dental Pulp Stem Cells into Odontoblasts.

Research RF Safe Research Library Jan 1, 2023

This in vitro study exposed dental pulp mesenchymal stem cells to 50 Hz pulsed electromagnetic fields at 0.5 or 1 mT for 20 or 40 minutes per day over seven days. Cell survival/proliferation was generally higher than control across exposure groups, except for the 40 minutes/day at 1 mT condition. DMP1 expression was…

Static and Electromagnetic Fields Differently Affect Proliferation and Cell Death Through Acid Enhancement of ROS Generation in Mesenchymal Stem Cells.

Research RF Safe Research Library Jan 1, 2022

This in vitro study examined how a 20 mT static magnetic field and a 20 mT 50 Hz electromagnetic field affect mesenchymal stem cells under conditions involving ROS and acidic pH. The authors report increased ROS and antioxidant-response markers (Nrf2, SOD2, GST) across SMF, EMF, and combined exposures, with…

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.…

First Identification of the Effects of Low Frequency Electromagnetic Field on the Micromolecular Changes in Adipose Tissue-Derived Mesenchymal Stem Cells by Fourier Transform Infrared Spectroscopy.

Research RF Safe Research Library Jan 1, 2021

This in vitro study exposed adipose tissue-derived mesenchymal stem cells to a continuous 50 Hz electromagnetic field at 1.5 mT for 24, 48, or 72 hours and assessed micromolecular changes using FTIR spectroscopy. The authors report the largest FTIR spectral differences versus control in nucleic acids and proteins…

Hydrogel-hydroxyapatite-monomeric collagen type-I scaffold with low-frequency electromagnetic field treatment enhances osteochondral repair in rabbits.

Research RF Safe Research Library Jan 1, 2021

This animal and in vitro study evaluated a composite osteochondral scaffold with bone marrow mesenchymal stem cells (BMSCs) combined with low-frequency electromagnetic field (EMF) stimulation. The authors report that EMF promoted BMSC proliferation and chondrogenic differentiation in vitro, partly via PI3K/AKT/mTOR…

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.…

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…

Combination of low intensity electromagnetic field with chondrogenic agent induces chondrogenesis in mesenchymal stem cells with minimal hypertrophic side effects.

Research RF Safe Research Library Jan 1, 2020

This in vitro study evaluated whether extremely low-frequency EMF (50 Hz,

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 combinatory effect of sinusoidal electromagnetic field and VEGF promotes osteogenesis and angiogenesis of mesenchymal stem cell-laden PCL/HA implants in a rat subcritical cranial defect.

Research RF Safe Research Library Jan 1, 2019

This animal and in vitro study evaluated sinusoidal electromagnetic field (SEMF) exposure combined with VEGF in rat mesenchymal stem cells and in a rat cranial defect model using rBMSC-laden PCL/HA scaffolds. The authors report increased osteogenic and endothelial marker expression with SEMF and VEGF, with a slight…

Effects of single and combined low frequency electromagnetic fields and simulated microgravity on gene expression of human mesenchymal stem cells during chondrogenesis.

Research RF Safe Research Library Jan 1, 2018

This in vitro study exposed human mesenchymal stem cell pellets undergoing chondrogenesis to simulated microgravity (SMG), low-frequency EMF (5 mT, 15 Hz), or both for 3 weeks. SMG significantly changed gene expression and reduced chondrogenic marker expression (including COL2A1). LF-EMF alone showed no…

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…

Extremely low frequency electromagnetic fields promote mesenchymal stem cell migration by increasing intracellular Ca and activating the FAK/Rho GTPases signaling pathways in vitro.

Research RF Safe Research Library Jan 1, 2018

This in vitro study exposed human bone marrow-derived mesenchymal stem cells to extremely low frequency EMF (7.5–70 Hz, 1 mT) generated by Helmholtz coils. The authors report increased MSC migration across all tested frequencies. Mechanistically, the effect is described as dependent on intracellular calcium and…

Combined effects of electromagnetic field and low-level laser increase proliferation and alter the morphology of human adipose tissue-derived mesenchymal stem cells.

Research RF Safe Research Library Jan 1, 2017

This in vitro study tested 50 Hz, 3 mT electromagnetic field (EMF) exposure and 808 nm low-level laser (LLL), alone and combined, on human adipose tissue-derived mesenchymal stem cells from six donors. The authors report increased cell numbers after 7 days with EMF, greater increases with LLL, and the largest…

The expression of pluripotency and neuronal differentiation markers under the influence of electromagnetic field and nitric oxide.

Research RF Safe Research Library Jan 1, 2017

This in vitro study examined how 50 Hz low-frequency EMF and a nitric oxide donor (Deta-NO) affect stemness and neuronal differentiation markers in rat bone marrow mesenchymal stem cells. The authors report that high NO (1 mM) combined with EMF reduced stemness markers and increased neuronal differentiation markers,…

Rat adipose-derived mesenchymal stem cells aging reduction by zinc sulfate under extremely low frequency electromagnetic field exposure is associated with increased telomerase reverse transcriptase gene expression.

Research RF Safe Research Library Jan 1, 2017

This in vitro study exposed rat adipose-derived mesenchymal stem cells to 50 Hz, 20 mT ELF-EMF for 30 minutes per day over 21 days, with and without zinc sulfate. The authors report ELF-EMF exposure decreased TERT gene expression and increased senescent cells. Zinc sulfate was reported to increase TERT expression and…

Stable morphological-physiological and neural protein expression changes in rat bone marrow mesenchymal stem cells treated with electromagnetic field and nitric oxide.

Research RF Safe Research Library Jan 1, 2017

This in vitro study evaluated combined effects of extremely low frequency EMF (50 Hz, 20 mT) and nitric oxide (NO) on rat bone marrow mesenchymal stem cells. The authors report reduced viability and morphology changes with high NO in the presence of EMF, along with increased calcium ion entry. They also report…

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,…

Electromagnetic fields counteract IL-1β activity during chondrogenesis of bovine mesenchymal stem cells.

Research RF Safe Research Library Jan 1, 2015

This in vitro study examined whether electromagnetic fields (EMFs) influence chondrogenic differentiation of bovine mesenchymal stem cell pellets, with and without the inflammatory cytokine IL-1β. The authors report EMFs had limited effects on chondrogenesis in the absence of inflammation, but in the presence of…

Effects of low frequency electromagnetic fields on the chondrogenic differentiation of human mesenchymal stem cells.

Research RF Safe Research Library Jan 1, 2011

This in vitro study examined whether extremely low-frequency magnetic fields affect chondrogenic differentiation of human mesenchymal stem cells in pellet culture. Cells exposed for 3 weeks to a homogeneous sinusoidal 5 mT magnetic field showed increased collagen type II expression (significant at passage 6) and…

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