Project description:To study the role of Nox2 in ethanol toxicity on the bone growth plate chondrocytes, we generated Nox2 conditional knockout mice (CKO), in which the catalytic subunit of Nox2, Cybb, is deleted in chondrocytes using a Cre-lox system, where Cre is expressed from the Col2a1 promoter. CKO mice and floxed control mice were fed an ethanol-containing Lieber De-Carli-based diet or pair-fed a control diet for 8 weeks starting at 5-6 weeks of age. As both the Nox2 genotype and ethanol diminished the number of chondrocytes in the growth plates, we conducted an RNA-Seq analysis of the growth-plate containing regions of the femurs.

2024-05-24 | GSE234176 | GEO

Comparative bulk RNAseq analysis of label-retaining chondrocytes (LRCs) of the growth plate versus their progeny

Project description:We revealed the unique molecular signature of slow-cycling chondrocytes of the postnatal growth plate.

2020-10-29 | GSE160364 | GEO

Single cell RNAseq analysis of murine fetal growth plate chondrocytes and perichondrial cells

Project description:Single cell RNAseq analysis of murine fetal growth plate chondrocytes and perichondrial cells

| PRJNA523924 | ENA

Transcription profiling of Bos taurus hypertrophic growth plate chondrocytes vs. reserve zone chondrocytes

Project description:Growth plate chondrocytes were isolated from the distal metacarpus of young dairy cattle (all under 10 mo of age), the chondrocytes were released from the extracellular matrix by digestion with Collagenase P for 4 hours, and the various zones of the growth plate were separated by density centrifugation. The least-dense Hypertrophic Zone (HZ) cells were compared to the most-dense Reserve Zone (RZ) cells. 6 pairs of HZ vs RZ were compared by microarray. Experiment Overall Design: Growth plate chondrocytes were isolated from the distal metacarpus of young dairy cattle (all under 10 mo of age), the chondrocytes were released from the extracellular matrix by digestion with Collagenase P for 4 hours, and the various zones of the growth plate were separated by density centrifugation. The least-dense Hypertrophic Zone (HZ) cells were compared to the most-dense Reserve Zone (RZ) cells. Six independent sample pairs of HZ vs RZ were compared by microarray.

2009-10-30 | E-GEOD-18738 | biostudies-arrayexpress

Expression data of growth plate chondrocytes isolated from control or conditional Lkb1 mutant mice at postnatal day 30

Project description:We have shown that removal of Lkb1 in chondorcytes results in enchondroma-like structure in postnatal mouse long bones. To furhter understand the role of Lkb1 in this process, we performed microarrrays to compare the transcriptional profile between control and conditional Lkb1 mutant (Col2a1-Cre; Lkb1c/c) chondrocytes. Postnatal day 30 mouse growth plate chondorcytes from control and mutant mouse femurs and tibiae were isolated for RNA extraction and hybridization on Affymetrix microarrays.

2013-11-14 | E-GEOD-41898 | biostudies-arrayexpress

Sorting of Growth Plate Chondrocytes Allows the Isolation and Characterization of Cells of a Defined Differentiation Status

Project description:Axial growth of long bones occurs through a coordinated process of growth plate chondrocyte proliferation and differentiation. This maturation of chondrocytes is reflected in a zonal change in gene expression and cell morphology from resting to proliferative, prehypertrophic, and hypertrophic chondrocytes of the growth plate followed by ossification. A major experimental limitation in understanding growth plate biology and pathophysiology is the lack of a robust technique to isolate cells from the different zones, particularly from small animals. Here, we report on a new strategy for separating distinct chondrocyte populations from mouse growth plates. By transcriptome profiling of microdissected zones of growth plates, we identified novel, zone-specific cell surface markers and used these for flow cytometry and immunomagnetic cell separation to quantify, enrich, and characterize chondrocytes populations with respect to their differentiation status. This approach provides a novel platform to study cartilage development and characterize mouse growth plate chondrocytes to reveal unique cellular phenotypes of the distinct subpopulations within the growth plate.

2020-02-29 | GSE144362 | GEO

Transcription profiling of human growth plate chondrocytes were isolated from the distal femoral growth plate from 3 different adolescents undergoing epiphysiodesis

Project description:Human growth plate chondrocytes were isolated from the distal femoral growth plate from 3 different adolescents undergoing epiphysiodesis. Cell were isolated and grown in monolayers, long term, in 20% serum. Cells were replated and cultured 48 h in 0.5% serum.

2008-06-12 | E-GEOD-1278 | biostudies-arrayexpress

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