ArticleSkin research and technology : official journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)2025
Injectable Methylcellulose/Hyaluronic Acid/Collagen Hydrogel Loaded With Adipose-Derived Stem Cells Alleviates Skin Photoaging via Inhibition of HIF-1α: An in Vitro and in Vivo Study.
Article in Skin research and technology : official journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
Funding
Abstract
backgroundAdipose-derived stem cells (ADSCs) exhibit good anti-photoaging activity, yet inadequate homing numbers and low cell survival rates remain urgent challenges to overcome, and the underlying mechanisms are still unclear.
methodsMethylcellulose (MC)/hyaluronic acid (HA)/Collagen I hydrogel (Gel) loaded with ADSCs (MHAC/ADSCs Gel) was prepared using the thermal dispersion method. Scanning electron microscopy was used to observe its microstructure, while swelling and degradation rates were determined by the pycnometer method. Subsequently, a photoaging HaCat cell model was established to evaluate the anti-photoaging potential of MHAC/ADSCs using the CCK-8 assay and Transwell experiment. Furthermore, qRT-PCR, WB, TargetScan bioinformatics analysis, and dual-luciferase reporter assays were conducted to investigate the underlying mechanisms of MHAC/ADSCs. Finally, a photoaging mouse model was established to assess the anti-photoaging activity of MHAC/ADSCs using H&E staining, Masson staining, immunohistochemistry, qRT-PCR, and WB.
resultsMHAC/ADSCs exhibited a 3D porous structure, remaining in a sol state at 20
conclusionMHAC/ADSCs exhibit anti-photoaging activity by inhibiting the expression of HIF-1α through the upregulation of miR-18a, providing a promising approach for clinical treatment of photoaging.
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