in spite of these results , southern blot analysis of genomic dna indicated the presence of the same number of genes for the pro alpha 2 ( i ) collagen chain in the patient 's fibroblasts as in control fibroblasts , suggesting malfunctioning pro alpha 2 ( i ) collagen genes as the cause for failure of the patient 's fibroblasts to synthesize pro alpha 2 ( i ) collagen chains .
C1333079
collagen genes
C0009325
collagen