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This research aims to investigate the role of Factor VIII in bone and muscle development using FVIII knockout male mice.

March 13, 2026Bone ResearchOpen Access

Factor VIII restores bone parameters and modulates muscle proteo-metabolome in Factor VIII knockout male mice

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Experiments reveal Factor VIII improves bone and muscle characteristics in knockout mice, suggesting therapeutic potential.

This research aims to investigate the role of Factor VIII in bone and muscle development using FVIII knockout male mice.
Studied musculoskeletal development in FVIII knockout male mice and wildtype controls.
Conducted proteomic analyses to compare bone metabolism-related proteins between groups.
Administered recombinant Factor VIII weekly to evaluate restoration effects on bone and muscle phenotypes.
Assessed muscle fiber type distribution and proteomic differences between FVIII knockout and wildtype mice.
FVIII knockout mice exhibited signs of osteoporosis, including altered bone structure and reduced vascularization.
Recombinant FVIII treatment successfully reversed several bone deficits in knockout mice.
Younger FVIII knockout mice showed unexpectedly larger muscle fibers and shifted muscle fiber type composition.
Proteomic and metabolomic analyses highlighted significant differences in bone and muscle profiles between FVIII knockout and wildtype mice.

Babuty et al. (2026) studied this question.

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