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Periadventitial adipose-derived stem cell treatment halts elastase-induced abdominal aortic aneurysm progression.


ABSTRACT: Demonstrate that periadventitial delivery of adipose-derived mesenchymal stem cells (ADMSCs) slows aneurysm progression in an established murine elastase-perfusion model of abdominal aortic aneurysm (AAA).AAAs were induced in C57BL/6 mice using porcine elastase. During elastase perfusion, a delivery device consisting of a subcutaneous port, tubing and porous scaffold was implanted. Five days after elastase perfusion, 100,000 ADMSCs were delivered through the port to the aorta. After sacrifice at day 14, analyzed metrics included aortic diameter and structure of aortic elastin.ADMSC treated aneurysms had a smaller diameter and less fragmented elastin versus saline controls.Periadventitial stem cell delivery prevented the expansion of an established aneurysm between days 5 and 14 after elastase perfusion.

SUBMITTER: Blose KJ 

PROVIDER: S-EPMC4283481 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Periadventitial adipose-derived stem cell treatment halts elastase-induced abdominal aortic aneurysm progression.

Blose Kory J KJ   Ennis Terri L TL   Arif Batool B   Weinbaum Justin S JS   Curci John A JA   Vorp David A DA  

Regenerative medicine 20140101 6


<h4>Aim</h4>Demonstrate that periadventitial delivery of adipose-derived mesenchymal stem cells (ADMSCs) slows aneurysm progression in an established murine elastase-perfusion model of abdominal aortic aneurysm (AAA).<h4>Materials & methods</h4>AAAs were induced in C57BL/6 mice using porcine elastase. During elastase perfusion, a delivery device consisting of a subcutaneous port, tubing and porous scaffold was implanted. Five days after elastase perfusion, 100,000 ADMSCs were delivered through t  ...[more]

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