Fibroblasts Derived From Human Adipose Stem Cells Produce More Effective Extracellular Matrix and Migrate Faster Compared to Primary Dermal Fibroblasts

2019 ◽  
Vol 40 (1) ◽  
pp. 108-117 ◽  
Author(s):  
Robert P Gersch ◽  
Jeffrey C Raum ◽  
Catherine Calvert ◽  
Ivona Percec
Keyword(s):  
Stem Cells ◽  
Extracellular Matrix ◽  
Wound Healing ◽  
Large Scale ◽  
De Novo ◽  
Scratch Test ◽  
Scar Tissue ◽  
Healing Time ◽  
Dermal Fibroblasts ◽  
Human Ascs

Abstract Background The efficacy of adipose-derived stem cells (ASCs) to improve wound healing has been extensively investigated. Unfortunately, no consistent reports have described significant improvements in healing time or outcomes in large-scale clinical trials utilizing human ASCs. Primarily, these studies examined undifferentiated ASCs as opposed to specific cells differentiated from ASCs. Objectives The authors sought to examine the properties of fibroblasts differentiated from human ASCs (dFib cells) compared with those of primary dermal fibroblasts. Methods ASCs were isolated from healthy female patients, differentiated into dFib cells, and compared with intra-patient primary dermal fibroblasts for morphology, extracellular matrix (ECM) marker expression, and cell migration employing qPCR, western blot, and scratch test assays. Results De novo differentiated fibroblasts produce higher levels of the healthy ECM markers Elastin, Fibronectin, and Collagen 1 compared with primary fibroblasts. In contrast, dFib cells have reduced expression of the scar tissue markers αSMA, Collagen 3, and MMP-1. Further, dFib cells close scratch defects more quickly than primary dermal fibroblasts (32 ± 12.85 hours vs 64 ± 13.85 hours, P < 0.01) in a scratch test assay. Conclusions These data suggest that fibroblasts newly differentiated from human ASCs migrate well and produce a robust ECM, the combination of which may contribute to improved wound healing, and thus should be further investigated.

Comparison of the Effect of Adipocyte-derived Stem Cells and Curcumin Nanoliposomes with Phenytoin on Open Cutaneous Wound Healing in Rats

2020 ◽  
Vol 20 ◽  
Author(s):  
Mohammadreza Ebrahimzade ◽  
Mohammad Mirdoraghi ◽  
Ameneh Alikarami ◽  
Sahar Heidari ◽  
Tayebeh Rastegar ◽  
...  
Keyword(s):  
Stem Cells ◽  
Wound Healing ◽  
Adipose Tissue ◽  
Healing Time ◽  
Daily Work ◽  
Expression Of Genes ◽  
Skin Ulcers ◽  
Immobility Time ◽  
Liposomal Nanoparticles ◽  
Chromosome Staining

Background: Reducing the healing time of wounds can decrease the patient`s immobility time and their medical costs,leading a faster return of the patients to daily work. Objective: To compare the effect of adipose-derived stem cells and curcumin-containing liposomal nanoparticles with phenytoin on wound healing. Method: After anesthesia of the rats, open skin ulcers were made by a bistoury blade.Subsequently,stem cells were re-moved from the adipose tissue of theupper border of the epididymis. Then,the originality of stem cells was confirmed by the flow cytometry. The fusion method was used to prepare the liposome;and also nanoliposomal particles wereconfirmedby using the DLS microscope.The percentage of recovery and the cell count was measured with IMAGEJ.The expression of genes was assessed by PCR. The number of fibro blasts was counted by immuno histo chemistry techniques.The amount of collagen was determined by Tri-chromosome staining and the number of capillaries was enumerated byH & E staining. Results: The expression of TGF-β1 gene, vascular number, wound healing rate and the numberof fibroblasts increased significantly in adipose tissue-derived stem cells and curcumin nanoliposome groups(p<0.05);the wound surface was also decreased significantly(p<0.05). Conclusion: Based on the results of our research, adipose tissue-derived stem cells and curcumin nanoliposomescan heal wounds efficiently.

scholarly journals Secretome Analysis of Rabbit and Human Mesenchymal Stem and Endothelial Progenitor Cells: A Comparative Study

2021 ◽  
Vol 22 (22) ◽  
pp. 12283
Author(s):  
Jaromír Vašíček ◽  
Andrej Baláži ◽  
Mária Tirpáková ◽  
Andrea Svoradová ◽  
Ľubomír Ondruška ◽  
...  
Keyword(s):  
Stem Cells ◽  
Wound Healing ◽  
Progenitor Cells ◽  
Endothelial Progenitor Cells ◽  
Large Scale ◽  
Human Adipose Tissue ◽  
Endothelial Progenitor ◽  
Secretome Analysis ◽  
Cytokine Array ◽  
Human Cytokine

Human adipose tissue-derived mesenchymal stem cells (AT-MSCs) have been studied several years for their immunomodulatory effect through the paracrine mechanism and cytokine secretion. In combination with endothelial progenitor cells (EPCs), MSCs have great therapeutical potential for the repair of endothelium and wound healing. However, little is known about the cytokine profile of rabbit AT-MSCs or even EPCs. The aim of this study was to analyze the secretomes of these rabbit stem/progenitor cells. A large-scale human cytokine array (up to 80 cytokines) was used to identify and compare cytokines secreted into conditioned media of human and rabbit AT-MSCs as well as HUVECs and rabbit EPCs. Few cytokines were highly expressed by human AT-MSCs (TIMP-2, TIMP-1), HUVECs (MCP-1, TIMP-2, GRO, Angiogenin, IL-8, TIMP-1), or by rabbit EPCs (TIMP-2). Several cytokines have moderate expression by human (MCP-1, GRO, Angiogenin, TGF-β 2, IL-8, LIF, IL-6, Osteopontin, Osteoprotegerin) and rabbit AT-MSCs (TIMP-2, TGF-β 2, LIF, Osteopontin, IL-8, IL-5, IL-3) or by HUVECs (IL-6, MIF, TGF-β 2, GCP-2, IGFBP-2, Osteoprotegerin, EGF, LIF, PDGF-BB, MCP-3, Osteopontin, Leptin, IL-5, ENA-78, TNF- β) and rabbit EPCs (TGF-β 2, Osteopontin, GRO, LIF, IL-8, IL-5, IL-3). In conclusion, the proposed method seems to be useful for the secretome analysis of rabbit stem/progenitor cells.

scholarly journals A gelatin/collagen/polycaprolactone scaffold for skin regeneration

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e6358 ◽  
Author(s):  
Lin-Gwei Wei ◽  
Hsin-I Chang ◽  
Yiwei Wang ◽  
Shan-hui Hsu ◽  
Lien-Guo Dai ◽  
...  
Keyword(s):  
Stem Cells ◽  
Wound Healing ◽  
Dermal Fibroblasts ◽  
Skin Regeneration ◽  
Collagen Content ◽  
Wound Dressings ◽  
Skin Substitute ◽  
Epidermal Keratinocytes ◽  
Adipose Derived Stem Cells

Background A tissue-engineered skin substitute, based on gelatin (“G”), collagen (“C”), and poly(ε-caprolactone) (PCL; “P”), was developed. Method G/C/P biocomposites were fabricated by impregnation of lyophilized gelatin/collagen (GC) mats with PCL solutions, followed by solvent evaporation. Two different GC:PCL ratios (1:8 and 1:20) were used. Results Differential scanning calorimetry revealed that all G/C/P biocomposites had characteristic melting point of PCL at around 60 °C. Scanning electron microscopy showed that all biocomposites had similar fibrous structures. Good cytocompatibility was present in all G/C/P biocomposites when incubated with primary human epidermal keratinocytes (PHEK), human dermal fibroblasts (PHDF) and human adipose-derived stem cells (ASCs) in vitro. All G/C/P biocomposites exhibited similar cell growth and mechanical characteristics in comparison with C/P biocomposites. G/C/P biocomposites with a lower collagen content showed better cell proliferation than those with a higher collagen content in vitro. Due to reasonable mechanical strength and biocompatibility in vitro, G/C/P with a lower content of collagen and a higher content of PCL (GCLPH) was selected for animal wound healing studies. According to our data, a significant promotion in wound healing and skin regeneration could be observed in GCLPH seeded with adipose-derived stem cells by Gomori’s trichrome staining. Conclusion This study may provide an effective and low-cost wound dressings to assist skin regeneration for clinical use.

scholarly journals The Use of Stem Cells in Burn Wound Healing: A Review

2015 ◽  
Vol 2015 ◽  
pp. 1-9 ◽  
Author(s):  
Fadi Ghieh ◽  
Rosalyn Jurjus ◽  
Amir Ibrahim ◽  
Alice Gerges Geagea ◽  
Hisham Daouk ◽  
...  
Keyword(s):  
Stem Cells ◽  
Wound Healing ◽  
Therapeutic Effect ◽  
Healing Time ◽  
Burn Injuries ◽  
Burn Wound ◽  
Burn Wounds ◽  
Complex Processes ◽  
Burn Wound Healing

Burn wound healing involves a series of complex processes which are subject to intensive investigations to improve the outcomes, in particular, the healing time and the quality of the scar. Burn injuries, especially severe ones, are proving to have devastating effects on the affected patients. Stem cells have been recently applied in the field to promote superior healing of the wounds. Not only have stem cells been shown to promote better and faster healing of the burn wounds, but also they have decreased the inflammation levels with less scar progression and fibrosis. This review aims to highlight the beneficial therapeutic effect of stem cells in burn wound healing and to discuss the involved pathways and signaling molecules. The review covers various types of burn wound healing like skin and corneal burns, along with the alternative recent therapies being studied in the field of burn wound healing. The current reflection of the attitudes of people regarding the use of stem cells in burn wound healing is also stated.

scholarly journals Interaction of Gold Nanorods with Human Dermal Fibroblasts: Cytotoxicity, Cellular Uptake, and Wound Healing

Nanomaterials ◽  
2019 ◽  
Vol 9 (8) ◽  
pp. 1131
Author(s):  
Nouf N. Mahmoud ◽  
Lubna M. Al-Kharabsheh ◽  
Enam A. Khalil ◽  
Rana Abu-Dahab
Keyword(s):  
Wound Healing ◽  
Cellular Uptake ◽  
Gold Nanorods ◽  
Healing Rate ◽  
Scratch Test ◽  
Dermal Fibroblasts ◽  
Human Dermal Fibroblasts ◽  
Poly Ethylene ◽  
Wound Healing Rate

Herein, the cytotoxicity, cellular uptake and wound healing of human dermal fibroblasts were investigated upon treatment with gold nanorods (GNR) decorated with different ligands. Neutral and cationic poly ethylene glycol (PEG)-decorated GNR demonstrated the least cytotoxicity and cellular internalization, while anionic- and bovine serum albumin (BSA)-coated GNR revealed significant cytotoxicity and cellular uptake into human dermal fibroblasts. The cell scratch test demonstrated that neutral, cationic PEGylated GNR and anionic-decorated GNR have accelerated the wound healing rate in vitro after 24 h of incubation with scratched human dermal fibroblasts compared to control, while there was a drastic retardation of wound healing rate of scratched fibroblasts upon exposure to BSA-GNR accompanied with a significant release of the inflammatory cytokine; interlukin-1β (IL-1β). The cytotoxicity of GNR against the dermal cells and their ability to enhance the wound healing in vitro are greatly linked to their surface modifications.

scholarly journals The Versatile Role of Matrix Metalloproteinase for the Diverse Results of Fibrosis Treatment

Molecules ◽  
2019 ◽  
Vol 24 (22) ◽  
pp. 4188 ◽  
Author(s):  
Hong-Meng Chuang ◽  
Yu-Shuan Chen ◽  
Horng-Jyh Harn
Keyword(s):  
Extracellular Matrix ◽  
Wound Healing ◽  
Cardiovascular Diseases ◽  
De Novo ◽  
Biological Processes ◽  
Tissue Formation ◽  
Ecm Degradation ◽  
Excessive Secretion ◽  
Wound Tissue

Fibrosis is a type of chronic organ failure, resulting in the excessive secretion of extracellular matrix (ECM). ECM protects wound tissue from infection and additional injury, and is gradually degraded during wound healing. For some unknown reasons, myofibroblasts (the cells that secrete ECM) do not undergo apoptosis; this is associated with the continuous secretion of ECM and reduced ECM degradation even during de novo tissue formation. Thus, matrix metalloproteinases (MMPs) are considered to be a potential target of fibrosis treatment because they are the main groups of ECM-degrading enzymes. However, MMPs participate not only in ECM degradation but also in the development of various biological processes that show the potential to treat diseases such as stroke, cardiovascular diseases, and arthritis. Therefore, treatment involving the targeting of MMPs might impede typical functions. Here, we evaluated the links between these MMP functions and possible detrimental effects of fibrosis treatment, and also considered possible approaches for further applications.

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