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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
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Collagen type I (COL1A1) is the predominant fibrillar collagen of the extracellular matrix and a major structural determinant of connective tissue integrity. Collagen type I (COL1A1) is composed of two alpha 1(I) chains and one alpha 2(I) chain that assemble into a triple-helical molecule and subsequently form highly ordered fibrils. Collagen 1 Antibody for IF / COL1A1 Immunofluorescence Antibody is particularly suited for visualizing extracellular matrix architecture and stromal organization in immunofluorescence-based imaging studies, where its distinct fibrillar pattern can be clearly resolved. COL1A1 is primarily produced by fibroblasts and mesenchymal cells and is widely distributed in dermal, vascular, and interstitial tissues, forming the structural scaffold that supports cellular organization.
Collagen 1 antibody, also known as COL1A1 antibody or type I collagen antibody, detects a secreted protein that undergoes extensive intracellular processing and extracellular assembly. Procollagen molecules are synthesized in the endoplasmic reticulum, modified through hydroxylation and glycosylation, and secreted into the extracellular space, where they are cleaved and assembled into mature fibrils. These fibrils aggregate into fibers and bundles that create a dense and highly organized matrix network. This extracellular localization and fibrillar structure make collagen I particularly well suited for immunofluorescence applications, where staining reveals continuous filamentous or cable-like patterns outlining connective tissue compartments and stromal regions.
In immunofluorescence imaging, Collagen 1 Antibody for IF / COL1A1 Immunofluorescence Antibody provides strong extracellular signal that contrasts sharply with nuclear counterstains such as DAPI, enabling clear visualization of tissue architecture and cell-matrix relationships. Collagen I staining typically appears as elongated fibers surrounding epithelial structures, blood vessels, and stromal cells, allowing detailed assessment of matrix distribution and organization. This is especially valuable in tumor biology, where collagen remodeling is a hallmark of tumor progression, and in fibrosis research, where excessive collagen deposition alters tissue mechanics and function.
COL1A1 plays an active role in regulating cell behavior through interactions with cell surface receptors such as integrins and discoidin domain receptors, influencing cell adhesion, migration, and signaling pathways. Changes in collagen I density, alignment, and crosslinking can affect tissue stiffness and mechanotransduction, contributing to processes such as wound healing, fibrosis, and cancer invasion. In tumor microenvironments, collagen-rich stroma can promote tumor cell migration and modulate immune cell infiltration, making spatial visualization of collagen organization an important component of experimental analysis.
COL1A1 expression is dynamically regulated during development and in response to injury and disease. Elevated collagen I levels are a defining feature of fibrotic disorders and are frequently observed in desmoplastic reactions associated with solid tumors. Immunofluorescence-based detection enables high-resolution mapping of these changes, supporting studies of extracellular matrix remodeling and stromal biology. In addition to IF applications, collagen I can be detected by western blot and immunohistochemistry, where it may appear as high molecular weight bands or extracellular staining patterns, respectively. Given its central role in extracellular matrix structure and its highly characteristic IF staining pattern, a Collagen 1 antibody provides a powerful tool for investigating connective tissue organization, fibrosis, and tumor-associated stromal remodeling.
This antibody is part of a broader antibody panel offered by NSJ Bioreagents.
The stated application concentrations are suggested starting amounts. Titration of the Collagen 1 Antibody for IF / COL1A1 Immunofluorescence Antibody may be required due to differences in protocols and secondary/substrate sensitivity.
An amino acid sequence from the C-terminus of mouse COL1A1 (QPPQEKSQDGGRYYRA) was used as the immunogen for this Collagen 1 antibody (100% rat homology).
After reconstitution, the Collagen 1 antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
Collagen I antibody, COL1A1 antibody, Type I collagen antibody, COL1A1 immunofluorescence antibody, Collagen 1 IF antibody
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