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December 8, 2025Blood

Osteoblasts differentiated from FVIII-deficient mice exhibit impaired mineralization capacity and promote excessive in vitro osteoclastogenesis

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Authors

AFAntonia Follenzi

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Overview

In vitro study reveals FVIII enhances osteoblast activity and promotes osteoclast differentiation in hemophilia A.

Key Points

  • Investigate the role of FVIII in osteoblast and osteoclast interactions and bone mineralization in hemophilia A.
  • Osteoblast precursors isolated from wild-type and hemophilia A mice
  • Differentiation of osteoblasts with ascorbic acid and β-glycerophosphate
  • In vitro assessment of osteoclast differentiation from myelomonocytic progenitors
  • Evaluation of cell maturation using specific staining and gene quantification
  • HA osteoblasts exhibited impaired mineralization compared to wild-type
  • Supplementation with recombinant FVIII improved differentiation in a dose-dependent manner
  • Higher osteoclast generation from HA osteoblasts compared to wild-type in co-culture
  • The effect of FVIII on osteoblasts was independent of thrombin activity

Cite This Study

Antonia Follenzi (2025) studied this question.

synapsesocial.com/papers/69362f4b4fa91c937236d80dhttps://doi.org/10.1182/blood-2025-3180
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Factor VIII restores bone parameters and modulates muscle proteo-metabolome in Factor VIII knockout male mice2026
  2. 2Beyond hemostasis: Factor VIII deficiency impacts hematopoietic stem cells development in zebrafish2025
  3. 3Impact of secondary FVIII prophylaxis on joint bleeding and arthropathy in a Hemophilia A mouse model lacking inhibitor response2025
  4. 4Platelet Function and Microvesicles Generation in Patients with Hemophilia A2020
  5. 5FVIII-containing platelets modulate immune responses and attenuate inhibitor development in hemophilia A mice2026