ArticlePloS one2017
Rat retinal vasomotion assessed by laser speckle imaging.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 20 citations in OpenAlex.
- Cortical Microvascular Pulsatility in the Aging Mouse Brain and the Confounding Effects of Anesthesia.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Article
- Arterial-wall origin and transient dynamics of flow- and vaso-motion activities in the awake mouse brain revealed by laser speckle contrast imaging.Neurophotonics · 2025Article
- Laser speckle contrast imaging of hepatic microcirculation.Biomedical optics express · 2025Article
- Exosomes Derived From Pericytes Improve Microcirculation and Protect Blood-Spinal Cord Barrier After Spinal Cord Injury in Mice.Frontiers in neuroscience · 2019Article
- Cardiac pulsatility mapping and vessel type identification using laser speckle contrast imaging.Biomedical optics express · 2018Article
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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
Vasomotion is spontaneous or induced rhythmic changes in vascular tone or vessel diameter that lead to rhythmic changes in flow. While the vascular research community debates the physiological and pathophysiological consequence of vasomotion, there is a great need for experimental techniques that can address the role and dynamical properties of vasomotion in vivo. We apply laser speckle imaging to study spontaneous and drug induced vasomotion in retinal network of anesthetized rats. The results reveal a wide variety of dynamical patterns. Wavelet-based analysis shows that (i) spontaneous vasomotion occurs in anesthetized animals and (ii) vasomotion can be initiated by systemic administration of the thromboxane analogue U-46619 and the nitric-oxide donor S-nitroso-acetylDL-penicillamine (SNAP). Although these drugs activate different cellular pathways responsible for vasomotion, our approach can track the dynamical changes they cause.
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Registered trials
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