What is the clinical evidence from this study?

Study design: Review. Population: von Willebrand disease and angiodysplasia. Intervention: von Willebrand factor (VWF).

What question did this study set out to answer?

Review the cellular and molecular mechanisms through which von Willebrand factor regulates blood vessel formation and explore therapeutic implications for vascular malformations.

June 4, 2018BloodOpen Access

von Willebrand factor regulation of blood vessel formation

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Key result

Von Willebrand factor regulates angiogenesis and blood vessel formation, with its deficiency leading to enhanced vascularization and contributing to angiodysplasia in von Willebrand disease.

Key Points

Review the cellular and molecular mechanisms through which von Willebrand factor regulates blood vessel formation and explore therapeutic implications for vascular malformations.
Synthesized findings from in vitro experiments, animal models, and patient-derived blood outgrowth endothelial cells lacking von Willebrand factor synthesis (type 3 von Willebrand disease).
Evaluated molecular interactions among von Willebrand factor, cell-surface integrins, Weibel-Palade body storage components, and vascular endothelial growth factor signaling pathways.
Absence of von Willebrand factor consistently leads to enhanced vascularization both under basal conditions and following ischemic insult.
Vascular dysregulation is mediated through interactions with integrin αvβ3 and altered storage of Weibel-Palade body proteins such as angiopoietin-2 and galectin-3, modulating downstream VEGF signaling.
Blood outgrowth endothelial cells offer a precision medicine platform to evaluate targeted treatments for angiodysplasia and severe gastrointestinal bleeding in congenital and acquired von Willebrand syndromes.

Structured PICO

Population

Patients with von Willebrand disease (VWD) and acquired von Willebrand syndrome, as well as in vitro and in vivo models of VWF deficiency.

This review highlights the role of von Willebrand factor in regulating angiogenesis and its clinical implications for treating angiodysplasia in patients with von Willebrand disease.

Discussion

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Implication

VWF deficiency may increase vascular permeability; leaves open its therapeutic targeting in endothelial disorders.

Cite This Study

Randi et al. (2018) conducted a review in von Willebrand disease and angiodysplasia. von Willebrand factor (VWF) was evaluated. Von Willebrand factor regulates angiogenesis and blood vessel formation, with its deficiency leading to enhanced vascularization and contributing to angiodysplasia in von Willebrand disease.

synapsesocial.com/papers/6a6e405e2163a0a01bc324c2 https://doi.org/10.1182/blood-2018-01-769018

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von Willebrand factor regulation of blood vessel formation

Key Points

Structured PICO

Discussion

Implication

Cite This Study

von Willebrand factor regulation of blood vessel formation

Key Points

Structured PICO

Discussion

Implication

Cite This Study

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