Chondrogenic Markers
Chondrogenic Markers - Related Videos
12:10
Chondrogenic Pellet Formation from Cord Blood-derived Induced Pluripotent Stem Cells
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Cited by 17 •
2017
Here, we propose a protocol for chondrogenic differentiation from cord blood mononuclear cell-derived human induced pluripotent stem cells.
08:30
Chondrogenic Differentiation Induction of Adipose-derived Stem Cells by Centrifugal Gravity
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Cited by 8 •
2017
Mechanical stress can induce the chondrogenic differentiation of stem cells, providing a potential therapeutic approach for the repair of impaired cartilage. We present a protocol to induce the chondrogenic differentiation of adipose-derived stem cells (ASCs) using centrifugal gravity (CG). CG-induced upregulation of SOX9 results in the development of chondrogenic phenotypes.
09:38
Multiplexed Immunofluorescence Assay for Spatial Assessment of Senescence Markers in vivo
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2026
Multiplexed immunofluorescence enables sequential labeling of multiple antibody markers within a single tissue section to support spatial analysis of tissue architecture and cell populations. Here, a workflow for multiplex detection of senescence-associated, structural, and immune markers is presented, including manual and automated slide preparation, iterative imaging, and single-cell analysis using digital pathology software.
12:03
The Production of C. elegans Transgenes via Recombineering with the galK Selectable Marker
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Cited by 4 •
2011
The ability to produce transgenes for Caenorhabditis elegans using genomic DNA carried by fosmids is particularly attractive as all of the native regulatory elements are retained. Described is a simple and robust procedure for the production of transgenes via recombineering with the galK selectable marker.
10:56
Co-localization of Cell Lineage Markers and the Tomato Signal
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Cited by 18 •
2016
We developed two sets of tracing combinations in Rosa26tdtomato (ubiquitously expressed in all cells)/Cre (specifically expressed in chondrocytes) mice: one with 2.3Col1a1-GFP (specific to osteoblasts) and one with immunofluorescence (specific to bone cells). The data demonstrate the direct transformation of chondrocytes into bone cells.
FAQs
SOX9 functions as a transcription factor that promotes expression of cartilage-associated components, including type II collagen encoded by COL2A1 and aggrecan encoded by ACAN. Its activity connects regulatory signaling with changes in the cell’s extracellular matrix. Measuring SOX9 together with these downstream components can therefore help relate transcriptional control to cartilage-producing activity.
A marker profile combines evidence from genes, proteins, and extracellular matrix components, reducing reliance on one measurement. SOX9 may indicate regulatory activity, whereas COL2A1 and ACAN reflect cartilage-associated production. Considering these signals together helps researchers evaluate cartilage formation, maturation, or maintenance and better distinguish chondrogenic differentiation from alternative cell fates.
Changes in marker levels can help identify whether cells are progressing toward cartilage formation, acquiring more mature characteristics, or maintaining a cartilage-associated state. Measurements of SOX9, COL2A1, ACAN, and matrix components provide complementary evidence for interpreting developmental changes. This makes marker analysis useful for following chondrogenesis rather than recording only a final endpoint.
Researchers assess these markers through gene-expression analysis, immunostaining, and extracellular matrix assessment. Gene-expression analysis examines transcriptional signals such as SOX9, COL2A1, or ACAN, while immunostaining detects selected proteins in cells or samples. Matrix assessment adds evidence about cartilage-associated material, allowing several levels of chondrogenic development to be evaluated.
Distinction depends on examining a coordinated set of cartilage-related signals rather than treating one marker as conclusive. Detecting SOX9 alongside COL2A1, ACAN, or cartilage-associated matrix provides evidence that regulatory activity is accompanied by cartilage production. This profile-based approach supports comparisons between chondrogenic differentiation and alternative developmental outcomes in cultured cells or developing tissues.
In developmental biology, marker profiles help researchers follow how cartilage forms and matures. They can connect transcription-factor activity with production of cartilage-associated proteins and matrix components, clarifying changes across developmental states. The same measurements support studies of skeletal development, where identifying chondrogenic progression helps characterize the formation and maturation of cartilage-producing cells.
Chondrogenic markers provide readouts for evaluating whether stem cells acquire a cartilage-producing program and whether engineered or repair-focused approaches generate cartilage-associated characteristics. Researchers can compare gene expression, protein localization, and matrix formation to assess outcomes. These measurements help connect experimental cell differentiation with goals in tissue engineering and cartilage repair.