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  • Title: Further characterisation of the extracellular matrix in the mandibular condyle in neonatal mice.
    Author: Silbermann M, Reddi AH, Hand AR, Leapman RD, Von der Mark K, Franzen A.
    Journal: J Anat; 1987 Apr; 151():169-88. PubMed ID: 3308801.
    Abstract:
    This study provides newer information concerning the extracellular matrix of neonatal condylar cartilage--a genuine representative of a secondary type of cartilage. In addition, the data presented hereby indicate that the condylar cartilage contains a population of progenitor cells that synthesise Type I collagen rather than Type II. Under normal conditions in vivo local biomechanical factors influence the progenitor cells to differentiate into cartilage cells and thereby to shift their synthetic pathway from Type I collagen to Type II collagen--the typical collagen of cartilage extracellular matrix. In the absence of such biomechanical effects the condylar progenitor cells seem to proceed with their inherent differentiation pathway and express an osteogenic phenotype (Fig. 21).
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