Collagenase Enzymes
Collagenase Enzymes - Related Videos
07:21
Pancreatic Islets Isolation through Collagenase Perfusion: An Enzymatic Method to Isolate Pancreatic Islet Cells
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2023
Pancreatic islets, also called the Islets of Langerhans, are a cluster of endocrine cells which produces hormones for glucose regulation and other important biological functions. This protocol explains a method for isolating pancreatic islets by first perfusing collagenase via Ampulla of Vater to digest the exocrine pancreatic tissue and a simplified density gradient centrifugation to purify the islets from mice.
09:41
Intrastriatal Injection of Autologous Blood or Clostridial Collagenase as Murine Models of Intracerebral Hemorrhage
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Cited by 35 •
2014
Preclinical models of intracerebral hemorrhage are utilized to mimic certain aspects of clinical disease. Thus, mechanisms of injury and potential therapeutic strategies may be explored. In this protocol, two models of intracerebral hemorrhage are described, intrastriatal (basal ganglia) injections of autologous blood or collagenase.
07:09
Isolation of Human Hepatocytes by a Two-step Collagenase Perfusion Procedure
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Cited by 93 •
2013
A modified two-step collagenase perfusion procedure for isolation of human hepatocytes is described. This method can also be applied to other mammalian livers. The isolated hepatocytes are available in high yield and viability, making them a suitable model for scientific research in areas such as liver regeneration, pharmacokinetics and toxicology.
06:59
Mouse Islet of Langerhans Isolation using a Combination of Purified Collagenase and Neutral Protease
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Cited by 103 •
2012
A detailed description of mouse islet isolation is described using the technique of in situ pancreatic ductal cannulation and perfusion of a combination of purified collagenase and neutral protease.
02:34
Enzymes
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2020
Inside living organisms, enzymes act as catalysts for many biochemical reactions involved in cellular metabolism. The role of enzymes is to reduce the activation energies of biochemical reactions by forming complexes with its substrates. The lowering of activation energies favor an increase in the rates of biochemical reactions. Enzyme deficiencies can often translate into life-threatening diseases. For example, a genetic abnormality resulting in the deficiency of the enzyme G6PD...
FAQs
Collagenase activity changes the physical organization of the extracellular matrix by cleaving peptide bonds within collagen fibers. This can loosen a collagen-rich tissue sufficiently for its cellular components to be examined separately, while also providing a way to investigate how matrix remodeling affects tumor-cell movement. The same enzymatic action therefore supports both tissue preparation and mechanistic cancer studies.
Collagen organization is not merely structural in cancer research; its alteration can influence the tumor microenvironment and progression. By modifying collagen-rich matrix material, collagenase-based experiments let investigators examine consequences of matrix remodeling for tumor-cell interactions and migration. These studies connect extracellular changes with invasion- and metastasis-associated behavior without treating the matrix as passive background.
Their matrix-remodeling activity provides a way to study how tumor cells interact with and move through collagen-rich extracellular material. Investigators can examine whether changes in the surrounding matrix are associated with behaviors linked to invasion and metastasis. This approach focuses attention on the relationship between tumor cells and their tissue environment rather than on tumor cells alone.
It helps researchers investigate how changes in collagen organization may influence the local conditions surrounding tumor cells. Because collagen forms a major part of the extracellular matrix, altering it offers a controlled context for examining cell-matrix interactions and migration. The resulting observations can clarify how structural features of tissue relate to tumor-associated behavior and progression.
A collagen-rich primary tumor sample is exposed to collagenase under controlled laboratory conditions so that collagen fibers are cleaved and the tissue can be dissociated into cellular components. Researchers can then use the resulting material for cell culture or analysis. This workflow connects enzymatic matrix breakdown with practical access to cells from complex tumor tissue.
Researchers use them when they need to prepare primary tumor samples for cell culture or analysis, or when they want to examine tumor-cell behavior within a collagen-rich matrix context. The technique is especially relevant to studies of cell interaction and migration through extracellular material, providing both an experimental preparation method and a tool for investigating cancer-associated matrix remodeling.
These experiments can provide cellular material from dissociated primary tumor samples and support observations of how tumor cells interact with or migrate through the extracellular matrix. They can also help researchers relate collagen organization to tumor progression and the tissue microenvironment. Interpretation therefore may combine practical sample preparation with evidence about matrix-associated cancer behavior.