ArticleBiological procedures online2014
Real-time vascular mechanosensation through ex vivo artery perfusion.
Article in Biological procedures online, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 8 citations in OpenAlex.
- Increased Disarray of Extracellular Matrix Collagen-I Fiber Network and Compromised Biomechanics in Aortae From Marfan-Syndrome Mice Assessed Through Combined Opto-Biomechatronics.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- A versatile microfluidic device for multiple ex vivo/in vitro tissue assays unrestrained from tissue topography.Microsystems & nanoengineering · 2020Article
- Intra-Arterial Drug and Light Delivery for Photodynamic Therapy Using Visudyne®: Implication for Atherosclerotic Plaque Treatment.Frontiers in physiology · 2016Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCell-based perfusion studies have provided great insight into fluid-sensing mechanisms, such as primary cilia in the renal and vascular systems. However, the intrinsic limitations of in vitro cell culture, such as the inability to reflect cellular organization within tissues, has distanced observed paradigms from possible clinical developments. Here we describe a protocol that applies ex vivo artery perfusion and calcium imaging to observe real-time cellular responses to fluid-shear stress.
resultsThrough our ex vivo artery perfusion method, we were able to simulate physiological flow and initiate distinct fluid shear stress mechanosensory responses, as well as induced acetylcholine responses in mouse aortic tissue. The observed calcium profiles confirm results found through previous in vitro cell culture experiments. The overall procedure, including dissection, sample preparation and perfusion, takes around 3 hours to complete.
conclusionThrough our unique method, we are able to induce laminar flow within intact mouse aortic tissue and illicit subsequent cellular responses. This method of ex vivo artery perfusion provides the opportunity to bridge the novel findings of in vitro studies with subsequent physiological models of fluid-shear stress mechanosensation in vascular tissues.
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Registered trials
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