Composition and morphology of mouse bones with a G610C collagen mutation were compared to WT.
At 10 d few changes in micro-CT or FTIRI measures in similar bone types in G610C mutants vs. WT.
At 2 mo G610C mutant cortical and trabecular bones were thinner with higher mineral content.
At 2 mo G610C mutant cortical and trabecular bones had altered composition.
An Lrp5 high-bone-mass allele partly rescued the compositional phenotype in 3 mo-old femurs.