Agarose Lung Filling
Agarose Lung Filling - Related Videos
05:55
Whole Lung Agarose Inflation: A Method of Preparing Lungs for Ex vivo Live Imaging
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2023
This video describes a method of preparing lungs for ex vivo live imaging to study interactions between cancer cells and stromal cells, using agarose for inflation. In the sample protocol, agarose inflation procedure is described before observing live cellular interactions.
04:26
Agarose-Based Preparation of Human Precision-Cut Lung Slices
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2025
In this video, we describe a procedure to inflate isolated human lungs with agarose and prepare human precision-cut lung slices. The prepared ex vivo lung slices can be used for further immunologic experiments.
10:45
Finding Your Blind Spot and Perceptual Filling-in
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2023
Source: Laboratory of Jonathan Flombaum—Johns Hopkins University In the back of everyone's eye is a small piece of neural tissue called the retina. The retina has photosensitive cells that respond to stimulation by light. The responses of these cells are sent into the brain through the optic nerve, a bundle of neural fibers. In each retina there is a place somewhere in the periphery where the outputs from retinal cells collect and the bundled optic nerve exits to the brain. At that location,...
09:24
Mucin Agarose Gel Electrophoresis: Western Blotting for High-molecular-weight Glycoproteins
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Cited by 32 •
2016
Mucins are high-molecular-weight glycoconjugates, with size ranging from 0.2 to 200 megadalton (MDa). As a result of their size, mucins do not penetrate conventional polyacrylamide gels and require larger pores for separation. We provide a detailed protocol for mucin agarose gel electrophoresis to assess relative quantification and study polymer assembly.
07:17
Automated Vibratome Sectioning of Agarose-Embedded Lung Tissue for Multiplex Fluorescence Imaging
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Cited by 5 •
2023
We have developed a tissue-processing technique utilizing a vibratome and agarose-embedded lung tissue to generate lung sections, thereby permitting the acquisition of high-resolution images of lung architecture. We employed immunofluorescence staining to observe spatial protein expression using specific lung structural markers.
FAQs
The agarose must remain warm enough to be introduced through the airways, yet solidify after it occupies the lung airspaces. This temperature-dependent transition converts a fluid support medium into a stabilizing framework. By maintaining internal support during subsequent processing, it helps limit collapse-related distortion and preserves the spatial relationships needed for reliable structural analysis.
Support from the solidified agarose helps the specimen retain its three-dimensional organization while it is processed into sections. That produces more consistent representations of alveoli, bronchioles, and adjacent tissue than sections affected by tissue collapse. The resulting slides or microscopy preparations can therefore be examined for structural changes with less distortion.
The method is especially valuable where delicate airspaces and small conducting passages must be evaluated together with surrounding tissue. Agarose support helps retain alveolar and bronchiolar relationships, rather than allowing collapse to obscure them. This matters when interpreting pulmonary architecture alongside localized infection, inflammatory responses, or tissue injury.
A practical workflow begins with a warm agarose solution, introduces it through the airways, and allows cooling to solidify the material within the airspaces. The filled lungs are then processed for sectioning and downstream histology or microscopy. The sequence links airway delivery with internal stabilization before the specimen undergoes preparation for analysis.
Depending on the study design, agarose-filled lungs can support histology, microscopy, and analysis of host responses. The preserved sections allow investigators to examine where pathogens are distributed, where inflammatory cells localize, and how tissue injury alters pulmonary architecture. These readouts connect microscopic location with structural changes across the lung.
In immunology and infection research, the technique is useful because host responses are spatially organized within lung tissue. Preserving that organization helps assess inflammatory cell localization and pathogen distribution while also retaining evidence of injury and architectural change. It therefore supports interpretation of infection-associated pathology while reducing distortion caused by tissue collapse.