Adipose derived stem cell transplantation is better than bone marrow mesenchymal stem cell transplantation in treating hindlimb ischemia in mice
نویسندگان
چکیده
Introduction: Bone marrow derived MSCs (BM-MSCs) and adipose derived MSCs (AD-MSCs) are among the types of stem cells most commonly studied. Our study aims to compare the therapeutic efficacy of allograft AD-MSCs versus BM-MSCs in a mouse model of hindlimb ischemia. Methods: AD-MSCs were isolated from belly fat and BM-MSCs were isolated from femur bone marrow. They were used to treat mice with acute hindlimb ischemia. Treatment efficacy was compared among 4 groups: injected with BM-MSCs, injected with ADMSCs, non-treated and injected with phosphate buffered saline. Mice in the groups were evaluated for the following: necrosis grade of leg, leg edema, blood flow, muscle cell restructure and new blood vessel formation. Results: Results showed that AD-MSC transplantation significantly recovered acute limb ischemia, with 76.5% of mice fully recovered, while the ratio was only 48.5% in BM-MSC transplanted group, and 0% in the non-treated and PBS groups. Evaluation of leg edema, blood flow, muscle cell restructure and new blood vessel formation also supported the observation that AD-MSC transplantation was superior over BM-MSC transplantation. Conclusion: Therefore, AD-MSCs may serve as the more suitable MSC for hindlimb ischemia treatment and angiogenesis therapy.
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