Stem Cell and Cancer Research


TNF-α-Activated MSC-CM Topical Gel Effective in Increasing PDGF LEVEL, Fibroblast Density, and Wound Healing Process Compared to Subcutaneous Injection Combination

Abstract

Mesenchymal stem cells (MSCs) are multipotent stromal cells that have the capacity to regenerate tissue damage. However, they have several limitations. MSC-CM as a new approach treatment is widely used to solve the limitation of MSC in wound healing. The aim of this study was to evaluate the effectiveness of TNF-α-activated MSC-CM topical gel compare to topical-subcutaneous injection combination on wound healing acceleration.

This study was conducted between April–August 2018 at the Stem Cell and Cancer Research Laboratory (SCCR), Faculty of Medicine, Sultan Agung Islamic University, Semarang. Experimental post-test only control group design was performed by involving 36 animal models randomly divided into six groups; T1, T2 (MSC-CM in topical gel 100 μL; 200 μL); ST1, ST2 (MSC-CM in subcutaneous injection: topical gel= 80 μL:20 μL; 160 μL:40 μL); CT (200 μL medium free TNF-α); CST (PBS in subcutaneous injection: topical gel= 160 μL:40 μL).

The measurement of PDGF level on day 3 and 6 was conducted using ELISA assay while the fibroblast density was analyzed by light microcopy. It was found that there was was a significant increase in PDGF and fibroblast density on day 6 in the topical group when compared to the combination group (p<0.05). It is concluded that the MSC-CM topical gel is more effective than combination of topical-subcutaneous injection.

Key words: Combination, fibroblast, MSC-CM, PDGF, subcutaneous MSC-CM, topical MSC-CM

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