Lamina Cutting
Lamina Cutting - Related Videos
04:52
Isolating Enteric Glial Cells From the Submucosa and Lamina Propria of a Mouse
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2025
This video demonstrates a method for isolating enteric glial cells from the submucosa and lamina propria of the mouse intestine. It outlines the steps involved in extracting submucosa and lamina propria tissue, isolating the enteric glial cells from them, and culturing the cells on a coated well-plate to establish an enteric glial cell culture.
00:55
Laminins are the Adhesive Proteins of Basal Lamina
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2023
Laminins are heterotrimeric proteins with high molecular mass found in the extracellular matrix. Each laminin molecule is composed of three chains, viz. alpha, beta, and gamma, coded by five, four, and three paralogous genes, respectively. Laminins are categories based on the compositions of the three chains. In humans, the five forms of alpha chains are LAMA 1, LAMA 2, LAMA 3, LAMA 4, and LAMA 5. The four forms of beta chains are LAMB 1, LAMB 2, LAMB 3, and LAMB 4. The three forms of gamma...
01:05
Type IV Collagen of Basal Lamina
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2023
Type IV collagen is a 400 nm long, network-forming collagen that acts as a barrier between the epithelial and endothelial cells. Type IV collagen forms the backbone of the basement membrane by scaffolding with laminin, entactin, proteoglycans, and fibronectin. Apart from rendering structural support to the basement membrane, it also helps entail signaling potentials necessary for both pathological and physiological functions. A type IV collagen molecule has six alpha chains which can exist in...
01:03
Basal Lamina are the Specialized Form of ECM
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2023
The basal lamina is a thin extracellular layer that lies underneath the cells and separates them from other tissues. The three layers of the basal lamina are lamina lucida, lamina densa and lamina reticularis. The basal lamina, a mixture of glycoproteins and collagen, provides an attachment site for the epithelium, separating it from underlying connective tissue. The framework of basal lamina has other essential proteins such as laminins mesh, perlecan, entactin, and type IV collagen. Proteins...
10:11
Collection and Long-Term Maintenance of Leaf-Cutting Ants (Atta) in Laboratory Conditions
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Cited by 6 •
2022
Here, a protocol is described to successfully collect and maintain healthy Atta (Hymenoptera: Formicidae) ant colonies in laboratory conditions. Additionally, different nest types and configurations are detailed together with possible experimental procedures.
FAQs
The technique relies on cuts placed along anatomically defined boundaries rather than through the middle of a target layer. This selective positioning separates neighboring regions while retaining cellular architecture and, when possible, portions of neuronal circuitry. Such preservation allows researchers to relate measurements from an isolated sample to the organization of the original nervous tissue.
Laminar boundaries provide an anatomical framework for associating cellular properties with specialized regions. A layer-specific preparation can reveal whether particular neuronal populations or circuit features contribute to a defined function, rather than averaging signals across several layers. This organization is especially relevant when investigating how nervous tissue processes information or changes during neurological disease.
An undivided tissue sample combines cells and circuitry from multiple anatomical layers, making layer-specific interpretation more difficult. Lamina Cutting narrows the analysis to a defined region, so electrophysiological, morphological, or molecular findings can be assigned more precisely. The tradeoff is that selective dissection must be accurate enough to avoid mixing adjacent layers or losing relevant structure.
Accuracy of the cut and preservation of the tissue are central factors. The cut must follow the intended anatomical boundary closely enough to isolate the target region, while the preparation should retain cellular architecture and, when possible, neuronal circuitry. These conditions determine how confidently later measurements can be linked to a specific layer and its function.
A general workflow begins by identifying the anatomical laminar boundaries, followed by making precisely positioned cuts to separate the selected region. The resulting preparation is then directed to an analysis suited to the research question, such as recording electrical activity, examining cellular morphology, or measuring molecular features. This sequence connects anatomical isolation with targeted downstream investigation.
Layer-specific preparations support several complementary analyses. Electrophysiological recordings can examine cellular or circuit-related activity, morphological studies can characterize structural features, and molecular analyses can assess properties of distinct neural populations. Using these approaches on anatomically defined tissue helps researchers connect structure and molecular identity with the functional behavior of a particular neural region.
The approach is particularly useful when a question concerns specialized neural populations located within distinct layers. In spinal cord studies, it can focus analysis on laminae involved in sensory processing and pain. By isolating these regions, researchers can examine how their cellular properties and circuitry relate to normal function and to neurological disease.
Measurements from separated layers can show whether disease-related changes are associated with particular neural populations or anatomical regions rather than with nervous tissue as a whole. Researchers can compare layer-specific electrical, structural, or molecular observations with normal function. This localization helps clarify how specialized circuitry contributes to altered processing and disease-related mechanisms.