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 Vasculoprotective Effects of Combined Endothelial Progenitor Cells and Mesenchymal Stem Cells in Diabetic Wound Care: Their Potential Role in Decreasing Wound-Oxidative Stress

2013 ◽  
Vol 2013 ◽  
pp. 1-8 ◽  
Author(s):  
Supakanda Sukpat ◽  
Nipan Isarasena ◽  
Jutamas Wongphoom ◽  
Suthiluk Patumraj
Keyword(s):  
Stem Cells ◽  
Wound Healing ◽  
Mesenchymal Stem Cells ◽  
Progenitor Cells ◽  
Endothelial Progenitor Cells ◽  
Wound Care ◽  
Control Group ◽  
Diabetic Mice ◽  
Mice Model ◽  
Endothelial Progenitor

To investigate whether the combined endothelial progenitor cells (EPCs) and mesenchymal stem cells (MSCs) could enhance angiogenesis and wound healing in diabetic mice. Balb/c nude mice were divided into five groups, including a control group, diabetic group (DM), DM injected with 1 × 106  cells MSCs, DM injected with 1 × 106  cells EPCs, and DM injected with combined 0.5 × 106  cells MSCs and 0.5 × 106  cells EPCs. After seven weeks, the mice were anesthetized, and bilateral full-thickness excision skin wounds were made on the dorsorostral back. The percentage of wound closure in DM group decreased significantly than in control and all other treated groups on day 7 and day 14 (P<0.005). On day 14, the percentage of capillary vascularity in combine-treated group was significantly higher than in DM (P<0.005). In the present study, we have demonstrated that the combined EPCs and MSCs can increase vascular endothelial growth factor (VEGF) level and angiogenesis which resulted in reduced neutrophil infiltration, decreased malondialdehyde (MDA) levels, and enhanced wound healing in diabetic mice model.

scholarly journals Isolation of endothelial progenitor cells from human adipose tissue

2016 ◽  
Vol 3 (05) ◽  
pp. 645-652 ◽  
Author(s):  
Phuc Van Pham ◽  
Ngoc Bich Vu ◽  
Hoa Trong Nguyen ◽  
Ngoc Kim Phan
Keyword(s):  
Stem Cells ◽  
Adipose Tissue ◽  
Progenitor Cells ◽  
Endothelial Progenitor Cells ◽  
Human Adipose Tissue ◽  
Vascular Medicine ◽  
Endothelial Progenitor ◽  
Adipose Tissues ◽  
Surface Marker Expression

Adipose tissue is a rich source of stem cells, especially mesenchymal stem cells (MSCs). This study aimed to identify and isolate endothelial progenitor cells (EPCs) from human adipose tissue. Belly adipose tissues were collected from donors with consent. Stromal vascular fractions (SVFs) were extracted from adipose tissues by enzyme collagenase using commercial kits. SVFs were cultured in MSCCult medium for 24 h to obtain MSCs, then supernatant was collected and cell pellet cultured in EGM-2 medium to obtain adipose tissue EPCs (ADEPCs). ADEPCs were checked for surface marker expression of CD31 and VEGFR2, and for angiogenesis capability in vitro. The results showed that SVFs contained a pool of EPCs with strong angiogenesis potential and that adipose tissue is not only a source for MSCs but also for EPCs. Therefore, ADEPCs may a useful source of EPCs for vascular medicine.

Elevated Inflammatory Parameter Levels Negatively Impact Populations of Circulating Stem Cells (CD133+), Early Endothelial Progenitor Cells (CD133+/VEGFR2+), and Fibroblast Growth Factor in Stroke Patients

2019 ◽  
Vol 16 (1) ◽  
pp. 19-26 ◽  
Author(s):  
Monika Golab-Janowska ◽  
Edyta Paczkowska ◽  
Boguslaw Machalinski ◽  
Dariusz Kotlega ◽  
Agnieszka Meller ◽  
...  
Keyword(s):  
Risk Factors ◽  
Stem Cells ◽  
Growth Factor ◽  
Progenitor Cells ◽  
Endothelial Progenitor Cells ◽  
Plasma Levels ◽  
Fibroblast Growth ◽  
Vascular Risk ◽  
Endothelial Progenitor ◽  
Inflammatory Parameters

Background: Endothelial Progenitor Cells (EPCs) are important players in neovascularization, mobilized through signalling by Angiogenic Growth Factors (AGFs) such as Vascular Endothelial Growth Factor (VEGF) and fibroblast growth factor (FGF). In vitro, inflammatory parameters impair the function and influence of EPCs on AGFs. However, this connection is not clear in vivo. To understand the mechanisms of augmented arteriogenesis and angiogenesis in acute ischemic stroke (AIS) patients, we investigated whether circulating stem cells (CD133+), early endothelial progenitor cells (CD133+/VEGFR2+), and endothelial cells (ECs; CD34¯/CD133¯/VEGFR2+) were increasingly mobilized during AIS, and whether there were correlations between EPC levels, growth factor levels and inflammatory parameters. Methods: Data on demographics, classical vascular risk factors, neurological deficit information (assessed using the National Institutes of Health Stroke Scale), and treatment were collected from 43 consecutive AIS patients (group I). Risk factor control patients (group II) included 22 nonstroke subjects matched by age, gender, and traditional vascular risk factors. EPCs were measured by flow cytometry and the populations of circulating stem cells (CD133+), early EPCs (CD133+/VEGFR2+), and ECs (CD34¯/CD133¯/VEGFR2+) were analysed. Correlations between EPC levels and VEGF and FGF vascular growth factor levels as well as the influence of inflammatory parameters on EPCs and AGFs were assessed. Results: Patient ages ranged from 54 to 92 years (mean age 75.2 ± 11.3 years). The number of circulating CD34¯/CD133¯/VEGF-R2+ cells was significantly higher in AIS patients than in control patients (p < 0.05). VEGF plasma levels were also significantly higher in AIS patients compared to control patients on day 7 (p < 0.05). FGF plasma levels in patients with AIS were significantly higher than those in the control group on day 3 (p < 0.05). There were no correlations between increased VEGF and FGF levels and the number of CD133+, CD133+/VEGFR2+, or CD34¯/CD133¯/VEGFR2+ cells. Leukocyte levels, FGF plasma levels, and the number of early EPCs were negatively correlated on day 3. High sensitivity C-reactive protein levels and the number of CD133+ and CD133+/VEGFR2+ cells were negatively correlated on day 7. In addition, there was a negative correlation between fibrinogen levels and FGF plasma levels as well as the number of early EPCs (CD133+/VEGFR2+). Conclusion: AIS patients exhibited increased numbers of early EPCs (CD133+/VEGFR2+) and AGF (VEGF and FGF) levels. A negative correlation between inflammatory parameters and AGFs and EPCs indicated the unfavourable influence of inflammatory factors on EPC differentiation and survival. Moreover, these correlations represented an important mechanism linking inflammation to vascular disease.

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