Published: December 16th, 2018
Herein, we describe a method for the isolation, expansion, and differentiation of mesenchymal stem cells from canine ovarian tissue.
Interest in mesenchymal stem cells (MSCs) has increased over the past decade due to their ease of isolation, expansion, and culture. Recently, studies have demonstrated the wide differentiation capacity that these cells possess. The ovary represents a promising candidate for cell-based therapies due to the fact that it is rich in MSCs and that it is frequently discarded after ovariectomy surgeries as biological waste. This article describes procedures for the isolation, expansion, and differentiation of MSCs derived from the canine ovary, without the necessity of cell-sorting techniques. This protocol represents an important tool for regenerative medicine because of the broad applicability of these highly differentiable cells in clinical trials and therapeutic uses.
The number of published studies that focus on stem cells has increased substantially over the past decade, a research effort that has been fueled by the collective goal of discovering powerful regenerative medicine therapies. Stem cells have two primary defining markers: self- renovation and differentiation. Mesenchymal stem cells are responsible for regular tissue turnover and have a more restricted capacity of differentiation when compared to embryonic stem cells1. Recently, many studies have shown a wide range of differentiation of MSCs, and a topic under discussion is whether differences between embryonic and adult stem cells exist at all
This experiment was performed with the ovaries of four mongrel female dogs donated after elective surgery at a canine sterilization program. This experiment was approved by the Ethics Committee on the use of animals of UNESP-FCAV (protocol no. 026991/13).
1. Experimental Preparation
Mesenchymal Stem Cell Isolation from Canine Ovary:
The ovarian MSC isolation procedure is summarized in Figure 1. After surgery, tissue mincing, collagenase digestion, and a media change 3 h after the beginning of the culture, a putative MSC population with rapid plastic-adhesive properties was successfully isolated from canine ovarian tissue. The harvested cells ra.......
Herein we provide evidence that MSCs can be isolated from canine ovarian tissue, which is considered biological waste after ovariectomy. Due to the fact that many cell types can be found in the ovary, we proposed a protocol to select MSCs based on their rapid adherence to plastic, which successfully selected cells that grew in a monolayer with a fibroblast-like morphology.
The first report of the derivation of MSCs from bone marrow was based on the plastic adhesion capacity of the MSCs during.......
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