Ocular Microvessel Excision
Ocular Microvessel Excision - Related Videos
14:58
A Simplified Technique for In situ Excision of Cornea and Evisceration of Retinal Tissue from Human Ocular Globe
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Cited by 7 •
2012
The paper describes a simplified technique to excise corneal and to eviscerate retinal tissues from the ocular globe of human cadaveric donors. The technique described here will help to excise good quality tissues to be used for transplantation, surgical or research purposes without damaging other tissues of the ocular globe.
11:32
Sample Preparation for Mass-spectrometry-based Proteomics Analysis of Ocular Microvessels
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Cited by 16 •
2019
Proteome characterization of ocular microvascular beds is pivotal for in-depth understanding of many ocular pathologies in humans. This study demonstrates an effective, rapid, and robust method for protein extraction and sample preparation from small blood vessels employing the porcine short posterior ciliary arteries as model vessels for mass-spectrometry-based proteomics analyses.
08:27
Endothelial Cell Culture from Rat Brain Microvessels: A Procedure to Isolate and Culture Endothelial Cells from Microvessels of Rat Brain
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2023
This video presents the isolation of microvessels from a rat brain using a combination of density gradient centrifugation and enzymatic digestion mehods. The isolated microvessels can be cultured in a culture flask pre-coated with collagen and fibronectin matrix to obtain endothelial cell colonies.
03:26
Isolating Short Posterior Ciliary Arteries: A Protocol to Excise Intact Short Posterior Ciliary Microvessels from Porcine Eye
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2025
This video describes the protocol to isolate the short posterior ciliary arteries from the porcine eye. The isolated short posterior arteries are a suitable source for elucidating the molecular insights and protein profiles of the ocular blood vessels.
12:48
Microperfusion Technique to Investigate Regulation of Microvessel Permeability in Rat Mesentery
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Cited by 3 •
2015
The modified Landis technique enables paired measurement of the hydraulic conductivity of individual microvessels in the mesentery of normal and genetically modified rats under control and test conditions using microperfusion techniques. It provides a convenient method to evaluate mechanisms that regulate microvessel permeability and transvascular exchange under physiological conditions.
FAQs
High magnification allows the operator to distinguish a target microvessel from adjacent ocular tissue and guide delicate instruments along the vessel’s boundaries. This visual control supports selective separation while limiting structural disruption. The resulting precision is important because analyses can then focus on vascular features rather than signals contributed broadly by surrounding tissue.
Reducing structural disruption helps maintain the specimen’s relevant anatomical and biological features during excision. A less disturbed microvessel is more suitable for examining morphology and tissue-specific molecular characteristics. This condition strengthens interpretation of vascular changes by making it easier to relate observed findings to the vessel itself rather than to extensive damage produced during isolation.
Isolated specimens can support examination of vessel morphology and molecular features specific to ocular tissue. These measurements help investigators characterize how the eye’s microcirculation is organized and identify changes associated with disease or experimental treatment. Studying these properties at the microvessel level can reveal patterns that may be less apparent in analyses of broader ocular tissue.
The technique provides more focused access to an individual component of the eye’s microcirculation instead of treating the surrounding tissue as one combined sample. That narrower sampling can improve attribution of morphological or molecular findings to the microvessel. It is therefore useful when the research question concerns vessel-specific biology, vascular injury, or localized responses within ocular tissue.
The workflow centers on viewing the ocular tissue under high magnification, identifying the vessel of interest, and using delicate instruments to separate it from neighboring structures. The excised specimen is then available for downstream examination. Each stage supports the central goal of obtaining a focused vascular sample while limiting disruption that could complicate later interpretation.
Researchers may choose this approach when they need to investigate ocular vascular biology at the level of individual microvessels. Supported applications include studies of angiogenesis, vascular injury, ocular disease, and responses to experimental treatment. The method is especially relevant when tissue-wide observations do not provide enough specificity to determine how the microcirculation contributes to the biological outcome.
By isolating vascular components from ocular tissue, the method enables focused examination of changes affecting the retinal or other ocular microcirculatory environments. Findings can be evaluated through vessel morphology and tissue-specific molecular features, providing context for disease-associated or treatment-related vascular changes. This connects microsurgical sampling with broader questions about how vascular processes influence ocular biology.